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Histamine

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343: 212: 1136:, where deficiencies have been shown to lead to aggressive behavior and abnormal sleep-wake cycles in mice. Since brain histamine as a neurotransmitter regulates a number of neurophysiological functions, emphasis has been placed on the development of drugs to target histamine regulation. Yoshikawa et al. explores how the C314T, A939G, G179A, and T632C polymorphisms all impact HNMT enzymatic activity and the pathogenesis of various neurological disorders. These mutations can have either a positive or negative impact. Some patients with 4064: 905: 792: 979: 43: 4023:"Guideline on management of suspected adverse reactions to ingested histamine: Guideline of the German Society for Allergology and Clinical Immunology (DGAKI), the Society for Pediatric Allergology and Environmental Medicine (GPA), the Medical Association of German Allergologists (AeDA) as well as the Swiss Society for Allergology and Immunology (SGAI) and the Austrian Society for Allergology and Immunology (ÖGAI)" 1898: 34: 586: 2058:
substances are potent vasodilators, and have been demonstrated to mutually stimulate each other's release within the trigeminovascular system, a mechanism that could potentially instigate the onset of migraines. In patients with a deficiency in histamine degradation due to variants in the AOC1 gene that encodes
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The urine test involves collecting all urine produced in a 24-hour period, which is then analyzed for the presence of 1,4-methyl-imidazolacetic acid. This comprehensive approach ensures a more accurate reflection of histamine metabolism over an extended period; as such, the 1,4-methyl-imidazolacetic
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enzyme, a diet high in histamine has been observed to trigger migraines, that suggests a potential functional relationship between exogenous histamine and CGRP, which could be instrumental in understanding the genesis of diet-induced migraines, so that the role of histamine, particularly in relation
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As a solution for the rapid metabolism of histamine, the measurement of histamine and its metabolites, particularly the 1,4-methyl-imidazolacetic acid, in a 24-hour urine sample, provides an efficient alternative to histamine measurement because the values of these metabolites remain elevated for a
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is a presumed set of adverse reactions (such as flush, itching, rhinitis, etc.) to ingested histamine in food. The mainstream theory accepts that there may exist adverse reactions to ingested histamine, but does not recognize histamine intolerance as a separate condition that can be diagnosed.
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receptors. This triggers carbon dioxide and water uptake from the blood, converted to carbonic acid by carbonic anhydrase. The acid dissociates into hydrogen and bicarbonate ions within the parietal cell. Bicarbonate returns to the bloodstream, while hydrogen is pumped into the stomach lumen.
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It has been known for more than one hundred years that an intravenous injection of histamine causes a fall in the blood pressure. The underlying mechanism concerns both vascular hyperpermeability and vasodilation. Histamine binding to endothelial cells causes them to contract, thus increasing
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Although histamine is small compared to other biological molecules (containing only 17 atoms), it plays an important role in the body. It is known to be involved in 23 different physiological functions. Histamine is known to be involved in many physiological functions because of its chemical
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The role of histamine in health and disease is an area of ongoing research. For example, histamine is researched in its potential link with migraine episodes, when there is a noted elevation in the plasma concentrations of both histamine and calcitonin gene-related peptide (CGRP). These two
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forms, identified by which of the two nitrogen atoms is protonated. The nitrogen farther away from the side chain is the 'tele' nitrogen and is denoted by a lowercase tau sign and the nitrogen closer to the side chain is the 'pros' nitrogen and is denoted by the pi sign. The tele tautomer,
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placebo-controlled crossover trial, children with ADHD who responded with aggravated symptoms after consuming a challenge beverage were more likely to have HNMT polymorphisms at T939C and Thr105Ile. Histamine's role in neuroinflammation and cognition has made it a target of study for many
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receptors are thought to be helpful when treating MS patients. Histamine has been shown to help with T-cell differentiation. This is important because in MS, the body's immune system attacks its own myelin sheaths on nerve cells (which causes loss of signaling function and eventual nerve
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for 1,4-methyl-imidazolacetic acid, the metabolite of histamine. This test is a valuable tool in assessing the metabolism of histamine in the body, as direct measurement of histamine in the serum has low diagnostic value due to the specificities of histamine metabolism.
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increased the risk for reduced DAO activity. People with genotypes for reduced DAO activity can avoid foods high in histamine, such as alcohol, fermented foods, and aged foods, to attenuate any allergic reactions. Additionally, they should be aware whether any
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acid urine test offered by commercial labs is currently the most reliable method to determine the rate of histamine metabolism, which may be helpful for the health care practitioners to assess individual’s health status, such as to diagnose
1757:, other hypothalamic nuclei, medial septum, the nucleus of the diagonal band, ventral tegmental area, amygdala, striatum, substantia nigra, hippocampus, thalamus and elsewhere. The histamine neurons in the TMN are involved in regulating the 1198:, airway obstruction, and production of excess mucus. Mutations in histamine degradation are more common in patients with a combination of asthma and allergen hypersensitivity than in those with just asthma. The HNMT-464 TT and HNMT-1639 TT 1172:, and cannot be properly degraded. The abnormal release of histamine can be caused by either dysfunctional internal signals from defective mast cells or by the development of clonal mast cell populations through mutations occurring in the 2980:
Stevenson J, Sonuga-Barke E, McCann D, Grimshaw K, Parker KM, Rose-Zerilli MJ, et al. (September 2010). "The role of histamine degradation gene polymorphisms in moderating the effects of food additives on children's ADHD symptoms".
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to CGRP, is a promising area of research for elucidating the mechanisms underlying migraine development and aggravation, especially relevant in the context of dietary triggers and genetic predispositions related to histamine metabolism.
962:, is due to histamine production by bacteria in spoiled food, particularly fish. Fermented foods and beverages naturally contain small quantities of histamine due to a similar conversion performed by fermenting bacteria or yeasts. 2784:
Griauzdaitė K, Maselis K, Ćœvirblienė A, Vaitkus A, Jančiauskas D, Banaitytė-BaleiĆĄienė I, et al. (September 2020). "Associations between migraine, celiac disease, non-celiac gluten sensitivity and activity of diamine oxidase".
2134:"H substance" or "substance H" are occasionally used in medical literature for histamine or a hypothetical histamine-like diffusible substance released in allergic reactions of skin and in the responses of tissue to inflammation. 1063:
Histamine release occurs when allergens bind to mast-cell-bound IgE antibodies. Reduction of IgE overproduction may lower the likelihood of allergens finding sufficient free IgE to trigger a mast-cell-release of histamine.
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do not readily permeate the blood–brain barrier and thus are less likely to cause sedation, although individual reactions, concomitant medications and dosage may increase the likelihood of a sedating effect. In contrast,
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receptors are thought to increase permeability in the blood-brain barrier, thus increasing infiltration of unwanted cells in the central nervous system. This can cause inflammation, and MS symptom worsening. The
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were positively correlated with having lower DAO serum levels. Low DAO activity can have more severe consequences as mutations in the ABP1 alleles of the AOC1 gene have been associated with ulcerative colitis.
994:. Mast cells are especially numerous at sites of potential injury – the nose, mouth, and feet, internal body surfaces, and blood vessels. Non-mast cell histamine is found in several tissues, including the 2223:
Vuckovic D, Pawliszyn J (March 2011). "Systematic evaluation of solid-phase microextraction coatings for untargeted metabolomic profiling of biological fluids by liquid chromatography-mass spectrometry".
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Increased vascular permeability causes fluid to escape from capillaries into the tissues, which leads to the classic symptoms of an allergic reaction: a runny nose and watery eyes. Allergens can bind to
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of the small intestine mucosa. Reduced DAO activity is associated with gastrointestinal disorders and widespread food intolerances. This is due to an increase in histamine absorption through
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with an individual's state of arousal. These neurons fire rapidly during periods of wakefulness, fire more slowly during periods of relaxation/tiredness, and stop firing altogether during
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is slightly basic (with a normal pH range of 7.35 to 7.45) therefore the predominant form of histamine present in human blood is monoprotic at the aliphatic nitrogen. Histamine is a
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Reese I, Ballmer-Weber B, Beyer K, Dölle-Bierke S, Kleine-Tebbe J, Klimek L, LÀmmel S, Lepp U, Saloga J, SchÀfer C, Szepfalusi Z, Treudler R, Werfel T, Zuberbier T, Worm M (2021).
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properties that allow it to be versatile in binding. It is Coulombic (able to carry a charge), conformational, and flexible. This allows it to interact and bind more easily.
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Valent P, Horny HP, Escribano L, Longley BJ, Li CY, Schwartz LB, et al. (July 2001). "Diagnostic criteria and classification of mastocytosis: a consensus proposal".
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Yanai K, Tashiro M (January 2007). "The physiological and pathophysiological roles of neuronal histamine: an insight from human positron emission tomography studies".
4084:"Is calcitonin gene-related peptide (CGRP) the missing link in food histamine-induced migraine? A review of functional gut-to-trigeminovascular system connections" 1160:. They act as an alarm to trigger inflammatory responses by the immune system. Their presence in the digestive system enables them to serve as an early barrier to 4568: 545: 2496: 3396: 599: 2591: 1836:
can occur from the inhibition of histamine biosynthesis or the loss (i.e., degeneration or destruction) of histamine-releasing neurons in the TMN.
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degeneration). By helping T cells to differentiate, the T cells will be less likely to attack the body's own cells, and instead, attack invaders.
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medications have the effect of increasing histamine production, because histamine levels seem to be imbalanced in people with that disorder.
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Jadidi-Niaragh F, Mirshafiey A (September 2010). "Histamine and histamine receptors in pathogenesis and treatment of multiple sclerosis".
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neurological disorders, including autism spectrum disorder (ASD). De novo deletions in the HNMT gene have also been associated with ASD.
2830:"Severity of ulcerative colitis is associated with a polymorphism at diamine oxidase gene but not at histamine N-methyltransferase gene" 1202:
are significantly more common among children with allergic asthma, the latter of which is overrepresented in African-American children.
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have been shown to exhibit exacerbated symptoms in response to food additives and preservatives, due in part to histamine release. In a
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is currently being studied. The different H receptors have been known to have different effects on the treatment of this disease. The H
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Histamine is often explored as a potential cause for diseases related to hyper-responsiveness of the immune system. In patients with
6087: 1137: 3021:"Systemic mast cell activation disease: the role of molecular genetic alterations in pathogenesis, heritability and diagnostics" 1876:
While histamine has stimulatory effects upon neurons, it also has suppressive ones that protect against the susceptibility to
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CarĂĄ AM, Lopes-Martins RA, Antunes E, Nahoum CR, De Nucci G (February 1995). "The role of histamine in human penile erection".
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Noszal B, Kraszni M, Racz A (2004). "Histamine: fundamentals of biological chemistry". In Falus A, Grosman N, Darvas Z (eds.).
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Histamine, a biogenic amine, involves many physiological functions, including the immune response, gastric acid secretion, and
4340:"New approach for the diagnosis of histamine intolerance based on the determination of histamine and methylhistamine in urine" 4125:"New approach for the diagnosis of histamine intolerance based on the determination of histamine and methylhistamine in urine" 3280:"Histamine modulation of urinary bladder urothelium, lamina propria and detrusor contractile activity via H1 and H2 receptors" 6860: 4314: 3579: 3513: 1713: 230: 6243: 2555:
Paiva TB, Tominaga M, Paiva AC (July 1970). "Ionization of histamine, N-acetylhistamine, and their iodinated derivatives".
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Keppel Hesselink JM (December 2015). "The terms 'autacoid', 'hormone' and 'chalone' and how they have shifted with time".
5581: 4621: 4227:"Development of a HILIC-MS/MS method for the quantification of histamine and its main metabolites in human urine samples" 2103:
The properties of histamine, then called ÎČ-imidazolylethylamine, were first described in 1910 by the British scientists
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and other compounds, resulting in blood vessel dilation. These two mechanisms play a key role in the pathophysiology of
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antagonists may cause sexual dysfunction by reducing the functional binding of testosterone to its androgen receptors.
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in males with psychogenic impotence produces full or partial erections in 74% of them. It has been suggested that H
2881:"Association of single nucleotide polymorphisms in the diamine oxidase gene with diamine oxidase serum activities" 1642:
vascular leak. It also stimulates synthesis and release of various vascular smooth muscle cell relaxants, such as
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they are taking contain any histamine-producing strains and consult with their doctor to receive proper support .
1092:(ASD). Histamine degradation is crucial to the prevention of allergic reactions to otherwise harmless substances. 606: 6118: 2488: 3439: 2525: 1081: 4293:
BĂ€hre H, Kaever V (2017). "Analytical Methods for the Quantification of Histamine and Histamine Metabolites".
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Nieto-Alamilla G, Mårquez-Gómez R, García-Gålvez AM, Morales-Figueroa GE, Arias-Montaño JA (November 2016).
1002:, where it functions as a neurotransmitter. Another important site of histamine storage and release is the 7366: 6562: 6537: 6177: 6082: 1881: 1425: 300: 207: 2622: 1072:
Histamine is released by mast cells as an immune response and is later degraded primarily by two enzymes:
943:-methyltransferase, while in other tissues both enzymes may play a role. Several other enzymes, including 321: 2642:
Wright C, Shin JH, Rajpurohit A, Deep-Soboslay A, Collado-Torres L, Brandon NJ, et al. (May 2017).
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GarcĂ­a-Martin E, Mendoza JL, MartĂ­nez C, Taxonera C, Urcelay E, Ladero JM, et al. (January 2006).
1844: 1235: 1211: 1003: 853: 512: 2075:. However, its rapid metabolism makes it challenging to measure histamine levels directly in plasma. 7417: 6630: 6317: 6248: 1910: 1494: 1352: 883: 149: 20: 7113: 109: 7392: 7123: 6567: 5392: 4863: 3640:"Neuronal activity of histaminergic tuberomammillary neurons during wake-sleep states in the mouse" 3070:"Genetic Variation along the Histamine Pathway in Children with Allergic versus Nonallergic Asthma" 2173: 1770: 1738: 1579: 1275: 1180: 1164:
entering the body. People who suffer from widespread sensitivities and allergic reactions may have
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is a rare disease in which there is a proliferation of mast cells that produce excess histamine.
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or in the associated compound articles. For TAAR2 and TAAR5 agonists and inverse agonists, see
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White JM, Rumbold GR (1988). "Behavioural effects of histamine and its antagonists: a review".
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Easily soluble in methanol. Very slightly soluble in diethyl ether. Easily soluble in ethanol.
4537: 3229:"Histamine neurons in the tuberomamillary nucleus: a whole center or distinct subpopulations?" 2467: 2268: 2007:
receptors, in one study, have been shown to be counterproductive in the treatment of MS. The H
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The most important pathophysiologic mechanism of mast cell and basophil histamine release is
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Thompson JS (1990). "Significance of the intestinal gradient of diamine oxidase activity".
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Comas-Basté O, Latorre-Moratalla M, Bernacchia R, Veciana-Nogués M, Vidal-Carou M (2017).
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Comas-Basté O, Latorre-Moratalla M, Bernacchia R, Veciana-Nogués M, Vidal-Carou M (2017).
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enzymes unrelated to those found in animals. A non-infectious form of foodborne disease,
844:≈ 5.8) will not be protonated. Thus, histamine is normally protonated to a singly charged 8: 7402: 7078: 4793: 4606: 1853: 1789: 1340: 1214: 959: 760: 169: 75: 4067: This article incorporates text from this source, which is available under the 3295: 2291: 1915:
Please expand the section to include this information. Further details may exist on the
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receptor and prevent histamine from binding, causing decreased hydrogen ion secretion.
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Maintz L, Yu CF, RodrĂ­guez E, Baurecht H, Bieber T, Illig T, et al. (July 2011).
7319: 6940: 6935: 6392: 6366: 5993: 5344: 4541: 4512: 4463: 4410: 4359: 4320: 4310: 4246: 4195: 4144: 4105: 4052: 4003: 3968: 3954: 3911: 3907: 3873: 3838: 3795: 3761: 3749: 3704: 3700: 3669: 3612: 3575: 3552: 3509: 3486: 3435: 3381: 3369: 3317: 3260: 3209: 3161: 3132:"International Union of Basic and Clinical Pharmacology. XCVIII. Histamine Receptors" 3099: 3050: 3036: 2998: 2962: 2915: 2903: 2899: 2861: 2814: 2802: 2766: 2708: 2673: 2614: 2572: 2521: 2439: 2394: 2350: 2315: 2272: 2261: 2241: 2158: 1746: 1651: 1100: 951:, further process the immediate metabolites of histamine for excretion or recycling. 705: 693: 4337: 4122: 3807: 3624: 3130:
Panula P, Chazot PL, Cowart M, Gutzmer R, Leurs R, Liu WL, et al. (July 2015).
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in sufficient concentrations to allow for neuropsychological and behavioral testing)
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Brown RE, Stevens DR, Haas HL (April 2001). "The physiology of brain histamine".
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Basic Neurochemistry - Principles of Molecular, Cellular and Medical Neurobiology
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Metabolites of histamine are increased in the cerebrospinal fluid of people with
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Ito C (2004). "The role of the central histaminergic system on schizophrenia".
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Once formed, histamine is either stored or rapidly inactivated by its primary
7381: 7005: 6997: 6801: 6728: 6443: 6172: 5436: 5432: 5396: 5356: 5299: 5295: 5158: 5108: 4998: 4983: 4908: 4903: 4708: 4339: 4124: 3245: 3085: 2644:"Altered expression of histamine signaling genes in autism spectrum disorder" 2168: 1984: 1976: 1781: 1733:. The cell bodies of these neurons are located in a portion of the posterior 1512: 1344: 1293: 1029: 1025: 1014: 768: 626: 466: 456: 200: 1470:
secretion. Urinary bladder relaxation. Modulates gastrointestinal function.
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Mast cells serve an important immunological role by defending the body from
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increase wakefulness. Similar to the sedative effect of first-generation H
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recessive genotypes at the rs2052129, rs2268999, rs10156191 and rs1049742
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Pal S, Gasheva OY, Zawieja DC, Meininger CM, Gashev AA J (January 2020).
2751: 2143: 1956: 1546: 1429: 1322: 1297: 1194:, abnormal histamine receptor activation in the lungs is associated with 1153: 892: 753: 733: 701: 646: 4443:"Increased Urine Histamine and Methylhistamine in Interstitial Cystitis" 4306: 4225:
Nelis M, Decraecker L, Boeckxstaens G, Augustijns P, Cabooter D (2020).
3939:"The role of histamine H4 receptor in immune and inflammatory disorders" 3407:. International Union of Basic and Clinical Pharmacology. Archived from 2568: 752:, melts at 83–84 Â°C. Hydrochloride and phosphorus salts form white 189: 7161: 7063: 7053: 6992: 6987: 6649: 6557: 6438: 6433: 6415: 6361: 6142: 6057: 5946: 5911: 5891: 5886: 5830: 5735: 5730: 5725: 5705: 5695: 5675: 5660: 5650: 5640: 5625: 5620: 5420: 5348: 5319: 5311: 5238: 5173: 5133: 5128: 5093: 5088: 5048: 5043: 4968: 4893: 4818: 4783: 4773: 4743: 4723: 4703: 4663: 3791: 3744: 2659: 2033:
As an integral part of the immune system, histamine may be involved in
1952: 1948: 1877: 1861: 1857: 1804: 1701: 1569: 1433: 1412: 1301: 1176: 1104: 1096: 1053: 987: 895: 869: 834: 784:-histamine, is preferred in solution as compared to the pros tautomer, 737: 725: 668:; however, in recent years, histamine has been recognized as a central 630: 488: 443: 220: 160: 6597: 4038: 3333: 3331: 2931:"Role of Histamine in Modulating the Immune Response and Inflammation" 2704: 2637: 2635: 2610: 2346: 2237: 978: 823:. Under physiological conditions, the aliphatic amino group (having a 791: 7171: 7156: 7068: 6923: 6666: 6376: 6289: 6042: 5951: 5901: 5680: 5561: 5424: 5412: 5378: 5366: 5352: 5303: 5291: 5253: 5243: 5193: 5148: 5098: 5073: 4988: 4963: 4938: 4928: 4918: 4883: 4823: 4763: 4698: 4688: 4668: 4224: 2038: 1833: 1698: 1687: 1668: 1520: 1360: 1169: 1126: 1057: 1052:
alkaloids, can displace histamine in granules and cause its release.
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Except where otherwise noted, data are given for materials in their
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Putatively: CNS (hypothalamus, thalamus) and intestinal epithelium
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References for all endogenous human TAAR1 ligands are provided at
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Jayarajah CN, Skelley AM, Fortner AD, Mathies RA (November 2007).
2294:"The Histamine H3 Receptor: Structure, Pharmacology, and Function" 1847:
in the stomach release histamine, stimulating parietal cells via H
1523:. Modulates nociception, gastric acid secretion, and food intake. 1168:(MCAS), in which excessive amounts of histamine are released from 108: 6880: 6859: 6787: 6703: 6299: 6284: 6274: 6264: 6217: 6187: 5861: 5812: 5599: 5416: 4634: 4439: 2641: 1396: 1149: 1033: 1007: 936: 764: 756: 709: 677: 654: 276: 4391:"Stimulated Release of Urine Histamine in Interstitial Cystitis" 4389:
Yun SK, Laub DJ, Weese DL, Lad PM, Leach GE, Zimmern PE (1992).
4176:"Gas chromatographic analysis of histamine metabolites in urine" 3882:
Many atypical antipsychotics also increased histamine turnovers.
1897: 1210:
In humans, histamine exerts its effects primarily by binding to
799:-histamine), on the left is more stable than the pros tautomer ( 6294: 6222: 6016: 5807: 2719: 2367: 1727: 1723: 1683:
sneezing due to histamine-associated sensory neural stimulation
1558: 1550: 1441: 1191: 1121: 1049: 880: 845: 650: 140: 3820: 2589: 1811:
receptors in the tuberomammillary nucleus. The newer class of
7348: 7262: 7225: 7211: 6871: 6516: 6322: 3722:
Alvarez EO (May 2009). "The role of histamine on cognition".
3226: 2929:
Branco AC, Yoshikawa FS, Pietrobon AJ, Sato MN (2018-08-27).
2368:
Andersen HH, Elberling J, Arendt-Nielsen L (September 2015).
2127: 1750: 1693:
nasal congestion due to vascular engorgement associated with
1437: 1037: 999: 948: 944: 935:. In the central nervous system, histamine released into the 898: 849: 665: 642: 120: 98: 3277: 2928: 653:. Discovered in 1910, histamine has been considered a local 326: 33: 7093: 3985: 1793: 1774: 1615:
Intestinal epithelium: chloride secretion (associated with
1356: 967: 963: 661:) because it's produced without involvement of the classic 241: 3337: 3074:
American Journal of Respiratory Cell and Molecular Biology
1745:, which projects widely throughout the brain and includes 1636: 3129: 2878: 1741:(TMN). The histamine neurons in this region comprise the 1664: 1018: 7347:
References for synthetic TAAR1 agonists can be found at
4440:
El-Mansoury M, Boucher W, Sant G, Theoharides T (1994).
3893: 3068:
Anvari S, Vyhlidal CA, Dai H, Jones BL (December 2015).
3018: 1466:: Primarily involved in vasodilation and stimulation of 366:
InChI=1S/C5H9N3/c6-2-1-5-3-7-4-8-5/h3-4H,1-2,6H2,(H,7,8)
4483:"The physiological action of beta-iminazolylethylamine" 3457:"The physiological action of beta-iminazolylethylamine" 986:
Most histamine in the body is generated in granules in
954:
Bacteria also are capable of producing histamine using
376:
InChI=1/C5H9N3/c6-2-1-5-3-7-4-8-5/h3-4H,1-2,6H2,(H,7,8)
3125: 3123: 3121: 3119: 3117: 3115: 3113: 3067: 3019:
Haenisch B, Nöthen MM, Molderings GJ (November 2012).
2728: 837:, whereas the second nitrogen of the imidazole ring (p 3278:
Stromberga Z, Chess-Williams R, Moro C (March 2019).
3227:
Blandina P, Munari L, Provensi G, Passani MB (2012).
3185: 3423: 3188:"The role of mast cells in functional GI disorders" 3110: 1983:receptor binding sites is decreased. Many atypical 1657: 819:atom of the imidazole ring does not already have a 229: 4441: 3528: 2729:Yoshikawa T, Nakamura T, Yanai K (February 2019). 2554: 2260: 1852:Histamine release ceases as stomach pH decreases. 1229:Biological targets of histamine in the human body 6721: 4576: 4344:Journal of Pharmaceutical and Biomedical Analysis 4129:Journal of Pharmaceutical and Biomedical Analysis 4081: 3637: 3529:Monroe EW, Daly AF, Shalhoub RF (February 1997). 3429: 3181: 3179: 3177: 3175: 2425: 2222: 966:contains histamine in the 20–40 mg/L range; 7379: 3594: 3394: 3186:Wouters MM, Vicario M, Santos J (January 2016). 2332: 2205:(Technical report). sciencelab.com. 2013-05-21. 2195: 2193: 1080:(HNMT), coded by the HNMT gene. The presence of 775:, the imidazole ring of histamine exists in two 288: 6741: 6665: 6525: 4388: 3936: 3271: 1887: 1060:are also found to stimulate histamine release. 84: 3535:The Journal of Allergy and Clinical Immunology 3172: 2079:much longer period than the histamine itself. 6845: 6119: 4562: 3638:Takahashi K, Lin JS, Sakai K (October 2006). 3395:Maguire JJ, Davenport AP (29 November 2016). 2267:. San Francisco: Benjamin Cummings. pp.  2190: 1679:. This can lead to three clinical responses: 990:and in white blood cells (leukocytes) called 16:Organic compound involved in immune responses 4286: 4075: 4014: 3777: 3686: 2583: 1765:of histamine neurons in the TMN is strongly 471:209.5 Â°C (409.1 Â°F; 482.6 K) 19:For the use as an immunostimulant drug, see 4480: 4292: 3454: 3388: 2739:International Journal of Molecular Sciences 2326: 1943:can occur during treatment with histamine H 1648:endothelium-derived hyperpolarizing factors 1347:contraction, urinary bladder contractions, 1274:of the output neurons of the histaminergic 859: 680:. As part of an immune response to foreign 461:83.5 Â°C (182.3 Â°F; 356.6 K) 6852: 6838: 6658: 6126: 6112: 4569: 4555: 4265:"2-(1-methyl-1H-imidazol-4-yl)acetic acid" 2548: 2218: 2216: 748:Histamine base, obtained as a mineral oil 341: 210: 168: 6775: 4506: 4099: 4046: 3962: 3743: 3663: 3546: 3480: 3363: 3311: 3254: 3244: 3203: 3155: 3093: 3044: 2956: 2946: 2855: 2845: 2760: 2750: 2667: 2388: 2309: 1832:antihistamines, an inability to maintain 1456:receptor ligands are unable to cross the 308: 3773: 3771: 2690: 1761:and promote arousal when activated. The 1707: 977: 970:contain it in the 2–10 mg/L range. 903: 790: 676:and has a central role as a mediator of 483:Easily soluble in cold water, hot water 3721: 3574:. Waltham, USA: Elsevier. p. 337. 3434:. Budapest: SpringMed. pp. 15–28. 2361: 2213: 1839: 1637:Vasodilation and fall in blood pressure 337: 266: 188: 7380: 3432:Histamine: Biology and Medical Aspects 3344:Am J Physiol Regul Integr Comp Physiol 2258: 1959:. The injection of histamine into the 1205: 973: 939:is primarily broken down by histamine- 201: 6861:Human trace amine-associated receptor 6833: 6133: 6107: 4550: 4481:Dale HH, Laidlaw PP (December 1910). 4295:Handbook of Experimental Pharmacology 4271:. U.S. National Library of Medicine. 3768: 3569: 3503: 3455:Dale HH, Laidlaw PP (December 1910). 3014: 3012: 2335:Autonomic & Autacoid Pharmacology 1990: 1871: 1714:Ascending reticular activating system 1452:: Not established (note: most known H 369:Key: NTYJJOPFIAHURM-UHFFFAOYSA-N 148: 128: 4173: 2202:Histamine Material Safety Data Sheet 1891: 1722:that is released from histaminergic 1627: 565: 555: 4421:from the original on 18 August 2024 4370:from the original on 18 August 2024 4275:from the original on 18 August 2024 4206:from the original on 18 August 2024 4155:from the original on 18 August 2024 3855: 2434:. Toronto: Thomson Canada. p.  1995:Histamine therapy for treatment of 379:Key: NTYJJOPFIAHURM-UHFFFAOYAP 279: 249: 13: 4834:Etybenzatropine (ethylbenztropine) 3937:Zampeli E, Tiligada E (May 2009). 3835:10.1111/j.1464-410X.1995.tb07315.x 3009: 2983:The American Journal of Psychiatry 2082:Commercial laboratories provide a 1612:inhibitory postsynaptic potentials 14: 7444: 7152:Ralmitaront (RG-7906, RO-6889450) 4526: 3506:Cellular and molecular immunology 3233:Frontiers in Systems Neuroscience 2834:World Journal of Gastroenterology 2489:"Histamine dihydrochloride H7250" 1658:Effects on nasal mucous membrane 1017:. These cells, if sensitized by 4082:De Mora F, Messlinger K (2024). 4062: 3955:10.1111/j.1476-5381.2009.00151.x 3908:10.1016/j.neuropharm.2010.05.005 3701:10.1016/j.pharmthera.2006.06.008 3405:IUPHAR/BPS Guide to Pharmacology 3037:10.1111/j.1365-2567.2012.03627.x 2900:10.1111/j.1398-9995.2011.02548.x 2735:-Methyltransferase in the Brain" 2499:from the original on 2015-08-09. 2426:Di Giuseppe M, Fraser D (2003). 2209:from the original on 2012-03-24. 1970: 1896: 1076:(DAO), coded by AOC1 genes, and 1032:when exposed to the appropriate 1004:enterochromaffin-like (ECL) cell 584: 433: 427: 41: 32: 6088:Monoamine metabolism modulators 4474: 4433: 4382: 4331: 4257: 4218: 4167: 4116: 3979: 3943:British Journal of Pharmacology 3930: 3887: 3849: 3814: 3715: 3689:Pharmacology & Therapeutics 3680: 3631: 3588: 3563: 3522: 3448: 3220: 3061: 2973: 2922: 2872: 2821: 2777: 2684: 2503: 2408:from the original on 2019-03-30 1082:single nucleotide polymorphisms 672:. Histamine is involved in the 580:(at 25 Â°C , 100 kPa). 6919:Norepinephrine (noradrenaline) 6372:Norepinephrine (noradrenaline) 4499:10.1113/jphysiol.1910.sp001406 3656:10.1523/JNEUROSCI.2341-06.2006 3473:10.1113/jphysiol.1910.sp001406 2995:10.1176/appi.ajp.2010.09101529 2557:Journal of Medicinal Chemistry 2481: 2452: 2419: 2285: 2263:Human anatomy & physiology 2252: 2066: 1799:) are capable of crossing the 1549:. It is also expressed in the 1095:DAO is typically expressed in 1067: 864:Histamine is derived from the 627:immune responses communication 421: 1: 7433:Carbonic anhydrase activators 7367:Receptor/signaling modulators 6093:Monoamine reuptake inhibitors 6083:Receptor/signaling modulators 4460:10.1016/S0022-5347(17)32737-4 4407:10.1016/S0022-5347(17)36844-1 4243:10.1016/j.talanta.2020.121328 4192:10.1016/S0021-9673(01)98675-3 4000:10.1016/S0145-2126(01)00038-8 3609:10.1016/s0301-0082(00)00039-3 3548:10.1016/s0091-6749(97)70128-3 2184: 2169:Histamine receptor antagonist 2159:Hay fever (allergic rhinitis) 2154:Histamine N-methyltransferase 1947:receptor antagonists such as 1911:sexual dysfunction in females 1436:, as well as on cells in the 1351:, promotes hypernociception ( 1166:mast cell activation syndrome 1078:histamine-N-methyltransferase 743: 4101:10.1016/j.drudis.2024.103941 3870:10.1358/dnp.2004.17.6.829029 3858:Drug News & Perspectives 2028: 1888:Erection and sexual function 1882:denervation supersensitivity 1426:vascular smooth muscle cells 1286:, and additional structures. 759:and are easily dissolved in 7: 6899:monoamine neurotransmitters 5716:Quisultazine (quisultidine) 5363:Tetracyclic antidepressants 4538:Histamine bound to proteins 4180:Journal of Chromatography A 3644:The Journal of Neuroscience 2137: 2131:, yielding "tissue amine". 1979:, while the efficiency of H 1845:Enterochromaffin-like cells 1807:by antagonizing histamine H 720:tissues. It consists of an 696:. Histamine increases the 684:, histamine is produced by 625:compound involved in local 10: 7449: 4679:Benzatropine (benztropine) 4356:10.1016/j.jpba.2017.06.029 4141:10.1016/j.jpba.2017.06.029 3823:British Journal of Urology 3724:Behavioural Brain Research 3356:10.1152/ajpregu.00255.2019 3304:10.1038/s41598-019-40384-1 3205:10.1136/gutjnl-2015-309151 2799:10.1016/j.mehy.2020.109738 2377:Acta Dermato-Venereologica 2098: 1711: 1568:Plays a role in mast cell 1236:G-protein coupled receptor 1118:Heterozygous or homozygous 1044:, including such drugs as 854:monoamine neurotransmitter 815:amino group and whichever 712:, to allow them to engage 18: 7332: 7312: 7298: 7270: 7261: 7243: 7233: 7224: 7202: 7184: 7019: 6888: 6879: 6870: 6714: 6702: 6648: 6625: 6616: 6515: 6492: 6483: 6463: 6385: 6344: 6335: 6308: 6257: 6231: 6178:Glutamic acid (glutamate) 6173:Aspartic acid (aspartate) 6160: 6151: 6141: 6075: 6030: 5986: 5974: 5844: 5785: 5773: 5608: 5554: 5542: 5393:Tricyclic antidepressants 5249:Sequifenadine (bicarphen) 4643: 4599: 4587: 4487:The Journal of Physiology 3736:10.1016/j.bbr.2008.12.010 3508:. Elsevier. p. 447. 3461:The Journal of Physiology 2935:Mediators of Inflammation 2084:24-hour urine sample test 1726:which project out of the 1578: 1495:peripheral nervous system 1353:visceral hypersensitivity 1132:HNMT is expressed in the 803:-histamine) on the right. 574: 538: 408: 388: 353: 68: 63:-Imidazol-4-yl)ethanamine 54: 49: 40: 31: 21:Histamine dihydrochloride 6914:Epinephrine (adrenaline) 6362:Epinephrine (adrenaline) 5031:Second/third-generation: 4864:Hydroxyethylpromethazine 3597:Progress in Neurobiology 3246:10.3389/fnsys.2012.00033 3086:10.1165/rcmb.2014-0493OC 2648:Translational Psychiatry 2174:Scombroid food poisoning 1743:brain's histamine system 1739:tuberomammillary nucleus 1580:Ligand-gated ion channel 1317:(promotes wakefulness), 1278:, which projects to the 1276:tuberomammillary nucleus 1181:irritable bowel syndrome 1090:autism spectrum disorder 889:-histidine decarboxylase 860:Synthesis and metabolism 730:physiological conditions 629:, as well as regulating 7049:-Dimethylphenethylamine 5671:Lavoltidine (loxtidine) 5284:Atypical antipsychotics 5229:Quifenadine (phencarol) 4894:Mepyramine (pyrilamine) 4654:4-Methyldiphenhydramine 3136:Pharmacological Reviews 2035:immune system disorders 1755:medial forebrain bundle 1493:and to a lesser extent 1333:, involved in cognition 956:histidine decarboxylase 914:histidine decarboxylase 631:physiological functions 7172:Ulotaront (SEP-363856) 7114:ÎČ-Methylphenethylamine 7109:4-Methylphenethylamine 7104:3-Methylphenethylamine 7099:2-Methylphenethylamine 6797:Carbonyl sulfide (COS) 6398:N-Methylphenethylamine 5447:Typical antipsychotics 2847:10.3748/wjg.v12.i4.615 2518:European Pharmacopoeia 2311:10.1124/mol.116.104752 2298:Molecular Pharmacology 1907:is missing information 1880:, drug sensitization, 1511:release of histamine, 1491:central nervous system 1134:central nervous system 983: 916: 804: 7094:MDMA (midomafetamine) 7020:Synthetic and natural 6949:-Methylphenethylamine 6538:2-AGE (noladin ether) 5413:dosulepin (dothiepin) 4533:Histamine MS Spectrum 4454:(2 Part 1): 350–353. 3148:10.1124/pr.114.010249 2511:"Histamine phosphate" 2390:10.2340/00015555-2146 2164:Histamine intolerance 2093:interstitial cystitis 2051:Histamine intolerance 1767:positively correlated 1712:Further information: 1708:Sleep-wake regulation 1690:from glandular tissue 1610:Brain: Produces fast 1541:Located primarily on 1507:functions: decreased 1405:hippocampal formation 1327:endocrine homeostasis 981: 907: 794: 736:of the side-chain is 674:inflammatory response 7338:List of trace amines 7074:4-Hydroxyamphetamine 6749:Carbon monoxide (CO) 4088:Drug Discovery Today 2948:10.1155/2018/9524075 2752:10.3390/ijms20030737 2599:Analytical Chemistry 2226:Analytical Chemistry 2179:Photic sneeze reflex 1941:erectile dysfunction 1840:Gastric acid release 1826:receptor antagonists 1794:histamine receptor H 833:around 9.4) will be 811:centres, namely the 724:ring attached to an 7299:Neutral antagonists 7285:-Dimethylethylamine 7244:Neutral antagonists 7186:Neutral antagonists 7089:MDA (tenamfetamine) 7079:Isopropyloctopamine 6754:Hydrogen sulfide (H 6608:Virodhamine (O-AEA) 4794:Dexchlorpheniramine 4607:2-Pyridylethylamine 4307:10.1007/164_2017_22 3650:(40): 10292–10298. 3296:2019NatSR...9.3899S 2569:10.1021/jm00298a025 2111:. By 1913 the name 1856:molecules, such as 1813:second-generation H 1801:blood–brain barrier 1458:blood–brain barrier 1403:(external layers), 1341:bronchoconstriction 1309: • 1270:: Expressed on the 1230: 1215:histamine receptors 1206:Mechanism of action 974:Storage and release 960:scombroid poisoning 921:degradative enzymes 795:The tele tautomer ( 478:Solubility in water 451: g·mol 28: 6983:Phenylethanolamine 6811:Sulfur dioxide (SO 6722:Cholinergic system 6424:Phenylethanolamine 6403:N-Methyltryptamine 6367:NAS (normelatonin) 6154:inhibitory systems 6152:Major excitatory / 4859:Homochlorcyclizine 4789:Dexbrompheniramine 4578:Histamine receptor 4448:Journal of Urology 4395:Journal of Urology 3792:10.1007/bf00212757 3780:Psychopharmacology 3284:Scientific Reports 2787:Medical Hypotheses 2693:Digestive Diseases 2660:10.1038/tp.2017.87 2115:was in use, using 1997:multiple sclerosis 1991:Multiple sclerosis 1872:Protective effects 1763:neural firing rate 1747:axonal projections 1617:secretory diarrhea 1462: • 1448: • 1416: • 1383: • 1335: • 1288: • 1266: • 1228: 1113:gluten sensitivity 1099:at the tip of the 1086:ulcerative colitis 1024:attached to their 984: 929:-methyltransferase 917: 807:Histamine has two 805: 694:connective tissues 607:Infobox references 491:in other solvents 26: 7423:Neurotransmitters 7375: 7374: 7370: 7356: 7340: 7328: 7327: 7320:3-Iodothyronamine 7257: 7256: 7220: 7219: 7212:EPPTB (RO5212773) 7180: 7179: 6941:3-Methoxytyramine 6936:3-Iodothyronamine 6827: 6826: 6823: 6822: 6771: 6770: 6763:Nitric oxide (NO) 6737: 6736: 6710: 6698: 6697: 6694: 6693: 6644: 6643: 6640: 6639: 6511: 6510: 6507: 6506: 6479: 6478: 6393:3-Iodothyronamine 6331: 6330: 6135:Neurotransmitters 6101: 6100: 6071: 6070: 5999:α-Methylhistamine 5994:4-Methylhistamine 5970: 5969: 5793:α-Methylhistamine 5769: 5768: 5538: 5537: 5487:Unknown/unsorted: 5345:hydroxynefazodone 4651:First-generation: 4316:978-3-319-58192-7 4039:10.5414/ALX02269E 3988:Leukemia Research 3896:Neuropharmacology 3581:978-0-12-374947-5 3515:978-0-323-47978-3 2705:10.1159/000171249 2611:10.1021/ac071306s 2430:Nelson Biology 12 2347:10.1111/aap.12037 2259:Marieb E (2001). 2238:10.1021/ac102614v 1961:corpus cavernosum 1934: 1933: 1780:First-generation 1777:(non-REM) sleep. 1628:Roles in the body 1625: 1624: 1592: 1304:, sensory nerves 1249: 1212:G protein-coupled 706:white blood cells 615:Chemical compound 613: 612: 322:CompTox Dashboard 110:Interactive image 7440: 7418:Immunostimulants 7361: 7346: 7335: 7313:Inverse agonists 7268: 7267: 7231: 7230: 7204:Inverse agonists 6886: 6885: 6877: 6876: 6854: 6847: 6840: 6831: 6830: 6802:Nitrous oxide (N 6773: 6772: 6742:Gasotransmitters 6739: 6738: 6719: 6718: 6709: 6663: 6662: 6656: 6655: 6623: 6622: 6558:Anandamide (AEA) 6526:Endocannabinoids 6523: 6522: 6490: 6489: 6377:Serotonin (5-HT) 6342: 6341: 6161:Glutamate system 6158: 6157: 6149: 6148: 6128: 6121: 6114: 6105: 6104: 6011: 5984: 5983: 5825: 5783: 5782: 5594: 5552: 5551: 5471:prochlorperazine 5338:Phenylpiperazine 4954:Phenyltoloxamine 4814:Diphenylpyraline 4734:Chlorphenoxamine 4629: 4597: 4596: 4571: 4564: 4557: 4548: 4547: 4521: 4520: 4510: 4478: 4472: 4471: 4445: 4437: 4431: 4430: 4428: 4426: 4401:(4): 1145–1148. 4386: 4380: 4379: 4377: 4375: 4335: 4329: 4328: 4290: 4284: 4283: 4281: 4280: 4261: 4255: 4254: 4222: 4216: 4215: 4213: 4211: 4171: 4165: 4164: 4162: 4160: 4120: 4114: 4113: 4103: 4079: 4073: 4066: 4060: 4050: 4018: 4012: 4011: 3983: 3977: 3976: 3966: 3934: 3928: 3927: 3891: 3885: 3884: 3853: 3847: 3846: 3818: 3812: 3811: 3775: 3766: 3765: 3747: 3719: 3713: 3712: 3684: 3678: 3677: 3667: 3635: 3629: 3628: 3592: 3586: 3585: 3570:Brady S (2012). 3567: 3561: 3560: 3550: 3526: 3520: 3519: 3504:Abbas A (2018). 3501: 3495: 3494: 3484: 3452: 3446: 3445: 3427: 3421: 3420: 3418: 3416: 3411:on 21 March 2017 3392: 3386: 3385: 3367: 3335: 3326: 3325: 3315: 3275: 3269: 3268: 3258: 3248: 3224: 3218: 3217: 3207: 3183: 3170: 3169: 3159: 3127: 3108: 3107: 3097: 3065: 3059: 3058: 3048: 3016: 3007: 3006: 2977: 2971: 2970: 2960: 2950: 2926: 2920: 2919: 2885: 2876: 2870: 2869: 2859: 2849: 2825: 2819: 2818: 2781: 2775: 2774: 2764: 2754: 2726: 2717: 2716: 2688: 2682: 2681: 2671: 2639: 2630: 2629: 2628:on 19 July 2011. 2627: 2621:. Archived from 2596: 2587: 2581: 2580: 2552: 2546: 2545: 2543: 2542: 2536: 2530:. Archived from 2520:(5th ed.). 2515: 2507: 2501: 2500: 2485: 2479: 2478: 2476: 2475: 2466:. Archived from 2464:webbook.nist.gov 2456: 2450: 2449: 2433: 2423: 2417: 2416: 2414: 2413: 2407: 2392: 2374: 2365: 2359: 2358: 2330: 2324: 2323: 2313: 2289: 2283: 2282: 2266: 2256: 2250: 2249: 2220: 2211: 2210: 2197: 1929: 1926: 1920: 1900: 1892: 1759:sleep-wake cycle 1720:neurotransmitter 1677:mucous membranes 1604: 1602:chloride channel 1599: 1590: 1536: 1509:neurotransmitter 1484: 1377: 1319:body temperature 1315:Sleep-wake cycle 1260: 1247: 1238: 1231: 1227: 1152:and maintaining 1097:epithelial cells 912:to histamine by 888: 887: 773:aqueous solution 692:found in nearby 670:neurotransmitter 639:neurotransmitter 637:and acting as a 597: 591: 588: 587: 569: 559: 450: 435: 429: 423: 416:Chemical formula 346: 345: 330: 328: 312: 292: 281: 270: 253: 233: 214: 203: 192: 172: 152: 132: 112: 88: 45: 36: 29: 25: 7448: 7447: 7443: 7442: 7441: 7439: 7438: 7437: 7393:Biogenic amines 7378: 7377: 7376: 7371: 7359: 7357: 7355:for references. 7343: 7341: 7324: 7308: 7294: 7253: 7239: 7216: 7198: 7176: 7147:Propylhexedrine 7129:Norfenfluramine 7119:Methamphetamine 7015: 6957:-Methyltyramine 6866: 6858: 6828: 6819: 6814: 6805: 6791: 6767: 6757: 6733: 6690: 6636: 6612: 6503: 6475: 6459: 6381: 6337:Biogenic amines 6327: 6304: 6253: 6227: 6153: 6137: 6132: 6102: 6097: 6067: 6026: 6009: 5979: 5966: 5840: 5823: 5778: 5765: 5604: 5592: 5547: 5534: 5341:antidepressants 4874:Isopromethazine 4809:Diphenhydramine 4694:Brompheniramine 4639: 4627: 4592: 4583: 4575: 4529: 4524: 4479: 4475: 4438: 4434: 4424: 4422: 4387: 4383: 4373: 4371: 4336: 4332: 4317: 4291: 4287: 4278: 4276: 4263: 4262: 4258: 4223: 4219: 4209: 4207: 4174:Tham R (1966). 4172: 4168: 4158: 4156: 4121: 4117: 4080: 4076: 4027:Allergol Select 4019: 4015: 3984: 3980: 3935: 3931: 3892: 3888: 3854: 3850: 3819: 3815: 3776: 3769: 3720: 3716: 3685: 3681: 3636: 3632: 3593: 3589: 3582: 3568: 3564: 3541:(2): S798-806. 3527: 3523: 3516: 3502: 3498: 3453: 3449: 3442: 3428: 3424: 3414: 3412: 3400: 3393: 3389: 3336: 3329: 3276: 3272: 3225: 3221: 3184: 3173: 3128: 3111: 3066: 3062: 3017: 3010: 2978: 2974: 2927: 2923: 2883: 2877: 2873: 2826: 2822: 2782: 2778: 2727: 2720: 2689: 2685: 2640: 2633: 2625: 2594: 2588: 2584: 2553: 2549: 2540: 2538: 2534: 2528: 2513: 2509: 2508: 2504: 2487: 2486: 2482: 2473: 2471: 2458: 2457: 2453: 2446: 2424: 2420: 2411: 2409: 2405: 2372: 2366: 2362: 2331: 2327: 2290: 2286: 2279: 2257: 2253: 2221: 2214: 2199: 2198: 2191: 2187: 2149:Diamine oxidase 2140: 2117:combining forms 2101: 2073:neuromodulation 2069: 2060:diamine oxidase 2031: 2023: 2019: 2014: 2010: 2006: 2002: 1993: 1982: 1973: 1966: 1946: 1930: 1924: 1921: 1914: 1901: 1890: 1874: 1867: 1850: 1842: 1831: 1825: 1816: 1810: 1797: 1785: 1718:Histamine is a 1716: 1710: 1660: 1639: 1630: 1614: 1600: 1598:Histamine-gated 1597: 1555:small intestine 1535: 1531: 1489:Located in the 1483: 1479: 1461: 1455: 1415: 1409:dentate nucleus 1401:cerebral cortex 1393:caudate nucleus 1389:Dorsal striatum 1376: 1372: 1357:itch perception 1355:), involved in 1334: 1287: 1284:locus coeruleus 1259: 1255: 1234: 1224: 1220: 1208: 1174:tyrosine kinase 1074:diamine oxidase 1070: 976: 933:diamine oxidase 885: 884: 866:decarboxylation 862: 843: 832: 746: 616: 609: 604: 603: 602:  ?) 593: 589: 585: 581: 548: 533: 529: 521: 480: 448: 438: 432: 426: 418: 404: 401: 396: 395: 384: 381: 380: 377: 371: 370: 367: 361: 360: 349: 331: 324: 315: 295: 282: 256: 236: 223: 195: 175: 155: 135: 115: 102: 91: 78: 64: 24: 17: 12: 11: 5: 7446: 7436: 7435: 7430: 7428:TAAR1 agonists 7425: 7420: 7415: 7410: 7405: 7400: 7395: 7390: 7373: 7372: 7345: 7334: 7333: 7330: 7329: 7326: 7325: 7323: 7322: 7316: 7314: 7310: 7309: 7307: 7306: 7302: 7300: 7296: 7295: 7293: 7292: 7290:Trimethylamine 7287: 7274: 7272: 7265: 7259: 7258: 7255: 7254: 7252: 7251: 7247: 7245: 7241: 7240: 7237: 7235: 7228: 7222: 7221: 7218: 7217: 7215: 7214: 7208: 7206: 7200: 7199: 7197: 7196: 7190: 7188: 7182: 7181: 7178: 7177: 7175: 7174: 7169: 7164: 7159: 7154: 7149: 7144: 7136: 7131: 7126: 7121: 7116: 7111: 7106: 7101: 7096: 7091: 7086: 7081: 7076: 7071: 7066: 7061: 7056: 7051: 7039: 7034: 7029: 7023: 7021: 7017: 7016: 7014: 7013: 7012: 7011: 7003: 6995: 6990: 6985: 6980: 6978:Phenethylamine 6975: 6967: 6959: 6951: 6943: 6938: 6928: 6927: 6926: 6921: 6916: 6911: 6906: 6894: 6892: 6883: 6874: 6868: 6867: 6857: 6856: 6849: 6842: 6834: 6825: 6824: 6821: 6820: 6818: 6817: 6812: 6808: 6803: 6799: 6794: 6789: 6785: 6779: 6777: 6769: 6768: 6766: 6765: 6760: 6755: 6751: 6745: 6743: 6735: 6734: 6732: 6731: 6725: 6723: 6716: 6712: 6711: 6707: 6700: 6699: 6696: 6695: 6692: 6691: 6689: 6688: 6683: 6678: 6672: 6670: 6660: 6653: 6646: 6645: 6642: 6641: 6638: 6637: 6635: 6634: 6626: 6620: 6614: 6613: 6611: 6610: 6605: 6600: 6595: 6590: 6585: 6580: 6575: 6570: 6565: 6560: 6555: 6550: 6545: 6540: 6535: 6529: 6527: 6520: 6513: 6512: 6509: 6508: 6505: 6504: 6502: 6501: 6493: 6487: 6481: 6480: 6477: 6476: 6474: 6473: 6467: 6465: 6461: 6460: 6458: 6457: 6449: 6441: 6436: 6431: 6429:Phenethylamine 6426: 6421: 6413: 6405: 6400: 6395: 6389: 6387: 6383: 6382: 6380: 6379: 6374: 6369: 6364: 6359: 6354: 6348: 6346: 6339: 6333: 6332: 6329: 6328: 6326: 6325: 6320: 6314: 6312: 6306: 6305: 6303: 6302: 6297: 6292: 6287: 6282: 6277: 6272: 6267: 6261: 6259: 6258:Glycine system 6255: 6254: 6252: 6251: 6246: 6241: 6235: 6233: 6229: 6228: 6226: 6225: 6220: 6215: 6210: 6205: 6203:Kynurenic acid 6200: 6195: 6190: 6185: 6180: 6175: 6170: 6164: 6162: 6155: 6146: 6139: 6138: 6131: 6130: 6123: 6116: 6108: 6099: 6098: 6096: 6095: 6090: 6085: 6080: 6076: 6073: 6072: 6069: 6068: 6066: 6065: 6060: 6055: 6050: 6045: 6040: 6034: 6032: 6028: 6027: 6025: 6024: 6019: 6014: 6006: 6001: 5996: 5990: 5988: 5981: 5977: 5972: 5971: 5968: 5967: 5965: 5964: 5959: 5954: 5949: 5944: 5939: 5934: 5929: 5924: 5922:Iodophenpropit 5919: 5914: 5909: 5904: 5899: 5894: 5889: 5884: 5879: 5874: 5869: 5864: 5859: 5854: 5848: 5846: 5842: 5841: 5839: 5838: 5833: 5828: 5820: 5815: 5810: 5805: 5800: 5795: 5789: 5787: 5780: 5776: 5771: 5770: 5767: 5766: 5764: 5763: 5758: 5753: 5748: 5743: 5738: 5733: 5728: 5723: 5718: 5713: 5708: 5703: 5698: 5693: 5688: 5683: 5678: 5673: 5668: 5663: 5658: 5653: 5648: 5643: 5638: 5633: 5628: 5623: 5618: 5612: 5610: 5606: 5605: 5603: 5602: 5597: 5589: 5584: 5579: 5574: 5569: 5564: 5558: 5556: 5549: 5545: 5540: 5539: 5536: 5535: 5533: 5532: 5527: 5522: 5517: 5512: 5507: 5502: 5497: 5492: 5483: 5482: 5451:chlorpromazine 5444: 5390: 5360: 5335: 5277: 5276: 5271: 5266: 5261: 5256: 5251: 5246: 5241: 5236: 5231: 5226: 5221: 5216: 5211: 5206: 5201: 5196: 5191: 5186: 5181: 5176: 5171: 5166: 5164:Levocetirizine 5161: 5156: 5151: 5146: 5141: 5136: 5131: 5126: 5121: 5116: 5111: 5106: 5104:Clobenztropine 5101: 5096: 5091: 5086: 5081: 5076: 5071: 5066: 5061: 5056: 5051: 5046: 5041: 5036: 5027: 5026: 5021: 5019:Tripelennamine 5016: 5011: 5006: 5001: 4996: 4991: 4986: 4981: 4976: 4971: 4966: 4961: 4956: 4951: 4946: 4941: 4936: 4931: 4926: 4921: 4916: 4911: 4906: 4901: 4896: 4891: 4886: 4881: 4876: 4871: 4866: 4861: 4856: 4854:Histapyrrodine 4851: 4846: 4841: 4836: 4831: 4826: 4821: 4816: 4811: 4806: 4801: 4799:Dimenhydrinate 4796: 4791: 4786: 4781: 4776: 4771: 4769:Cyproheptadine 4766: 4761: 4756: 4751: 4746: 4741: 4736: 4731: 4729:Chlorphenamine 4726: 4721: 4719:Chloropyramine 4716: 4714:Chlorcyclizine 4711: 4706: 4701: 4696: 4691: 4686: 4681: 4676: 4671: 4666: 4661: 4656: 4647: 4645: 4641: 4640: 4638: 4637: 4632: 4624: 4619: 4614: 4609: 4603: 4601: 4594: 4590: 4585: 4584: 4574: 4573: 4566: 4559: 4551: 4545: 4544: 4535: 4528: 4527:External links 4525: 4523: 4522: 4473: 4432: 4381: 4330: 4315: 4285: 4256: 4217: 4186:(2): 207–216. 4166: 4115: 4074: 4013: 3978: 3929: 3886: 3848: 3813: 3767: 3714: 3679: 3630: 3587: 3580: 3562: 3521: 3514: 3496: 3447: 3440: 3422: 3398: 3387: 3350:(3): 590–604. 3327: 3270: 3219: 3171: 3109: 3060: 3031:(3): 197–205. 3008: 2989:(9): 1108–15. 2972: 2921: 2894:(7): 893–902. 2871: 2820: 2776: 2718: 2683: 2631: 2605:(21): 8162–9. 2582: 2547: 2526: 2502: 2480: 2451: 2444: 2418: 2360: 2325: 2304:(5): 649–673. 2284: 2277: 2251: 2232:(6): 1944–54. 2212: 2188: 2186: 2183: 2182: 2181: 2176: 2171: 2166: 2161: 2156: 2151: 2146: 2139: 2136: 2100: 2097: 2068: 2065: 2030: 2027: 2021: 2017: 2012: 2008: 2004: 2000: 1992: 1989: 1980: 1972: 1969: 1964: 1944: 1937:Loss of libido 1932: 1931: 1904: 1902: 1895: 1889: 1886: 1873: 1870: 1865: 1848: 1841: 1838: 1829: 1823: 1817:antihistamines 1814: 1808: 1795: 1786:antihistamines 1783: 1709: 1706: 1705: 1704: 1697:and increased 1691: 1684: 1659: 1656: 1638: 1635: 1629: 1626: 1623: 1622: 1620: 1608: 1605: 1594: 1593: 1588: 1585: 1582: 1576: 1575: 1573: 1566: 1539: 1533: 1527: 1526: 1524: 1517:norepinephrine 1505:heteroreceptor 1498: 1487: 1481: 1475: 1474: 1472: 1453: 1445: 1422:parietal cells 1380: 1374: 1368: 1367: 1365: 1306: 1263: 1257: 1251: 1250: 1245: 1242: 1239: 1222: 1218: 1217:, designated H 1207: 1204: 1158:gut microbiome 1111:patients with 1069: 1066: 998:region of the 975: 972: 908:Conversion of 861: 858: 848:. Since human 841: 830: 745: 742: 621:is an organic 614: 611: 610: 605: 583: 582: 578:standard state 575: 572: 571: 570:) (phosphate) 549: 544: 541: 540: 536: 535: 531: 523: 519: 509: 508: 505: 496: 495: 492: 485: 484: 481: 476: 473: 472: 469: 463: 462: 459: 453: 452: 446: 440: 439: 436: 430: 424: 419: 414: 411: 410: 406: 405: 403: 402: 399: 391: 390: 389: 386: 385: 383: 382: 378: 375: 374: 372: 368: 365: 364: 356: 355: 354: 351: 350: 348: 347: 334: 332: 320: 317: 316: 314: 313: 305: 303: 297: 296: 294: 293: 285: 283: 275: 272: 271: 264: 258: 257: 255: 254: 246: 244: 238: 237: 235: 234: 226: 224: 219: 216: 215: 205: 197: 196: 194: 193: 185: 183: 177: 176: 174: 173: 165: 163: 157: 156: 154: 153: 145: 143: 137: 136: 134: 133: 125: 123: 117: 116: 114: 113: 105: 103: 96: 93: 92: 90: 89: 81: 79: 74: 71: 70: 66: 65: 58: 52: 51: 47: 46: 38: 37: 15: 9: 6: 4: 3: 2: 7445: 7434: 7431: 7429: 7426: 7424: 7421: 7419: 7416: 7414: 7411: 7409: 7408:Immune system 7406: 7404: 7401: 7399: 7396: 7394: 7391: 7389: 7386: 7385: 7383: 7369: 7368: 7365: 7360: 7354: 7350: 7344: 7339: 7331: 7321: 7318: 7317: 7315: 7311: 7304: 7303: 7301: 7297: 7291: 7288: 7286: 7284: 7280: 7276: 7275: 7273: 7269: 7266: 7264: 7260: 7249: 7248: 7246: 7242: 7236: 7232: 7229: 7227: 7223: 7213: 7210: 7209: 7207: 7205: 7201: 7195: 7192: 7191: 7189: 7187: 7183: 7173: 7170: 7168: 7165: 7163: 7160: 7158: 7155: 7153: 7150: 7148: 7145: 7143: 7141: 7137: 7135: 7132: 7130: 7127: 7125: 7122: 7120: 7117: 7115: 7112: 7110: 7107: 7105: 7102: 7100: 7097: 7095: 7092: 7090: 7087: 7085: 7082: 7080: 7077: 7075: 7072: 7070: 7067: 7065: 7062: 7060: 7057: 7055: 7052: 7050: 7048: 7044: 7040: 7038: 7035: 7033: 7030: 7028: 7025: 7024: 7022: 7018: 7010: 7008: 7004: 7002: 7000: 6996: 6994: 6991: 6989: 6986: 6984: 6981: 6979: 6976: 6974: 6972: 6968: 6966: 6964: 6960: 6958: 6956: 6952: 6950: 6948: 6944: 6942: 6939: 6937: 6934: 6933: 6932: 6929: 6925: 6922: 6920: 6917: 6915: 6912: 6910: 6907: 6905: 6902: 6901: 6900: 6896: 6895: 6893: 6891: 6887: 6884: 6882: 6878: 6875: 6873: 6869: 6865: 6862: 6855: 6850: 6848: 6843: 6841: 6836: 6835: 6832: 6816: 6809: 6807: 6800: 6798: 6795: 6793: 6786: 6784: 6781: 6780: 6778: 6774: 6764: 6761: 6759: 6752: 6750: 6747: 6746: 6744: 6740: 6730: 6729:Acetylcholine 6727: 6726: 6724: 6720: 6717: 6715:Miscellaneous 6713: 6708: 6705: 6701: 6687: 6684: 6682: 6679: 6677: 6674: 6673: 6671: 6668: 6664: 6661: 6657: 6654: 6651: 6647: 6632: 6628: 6627: 6624: 6621: 6619: 6618:Neurosteroids 6615: 6609: 6606: 6604: 6601: 6599: 6596: 6594: 6591: 6589: 6586: 6584: 6581: 6579: 6576: 6574: 6571: 6569: 6566: 6564: 6561: 6559: 6556: 6554: 6551: 6549: 6546: 6544: 6541: 6539: 6536: 6534: 6531: 6530: 6528: 6524: 6521: 6518: 6514: 6499: 6495: 6494: 6491: 6488: 6486: 6485:Neuropeptides 6482: 6472: 6469: 6468: 6466: 6462: 6456: 6454: 6450: 6448: 6446: 6442: 6440: 6437: 6435: 6432: 6430: 6427: 6425: 6422: 6420: 6418: 6414: 6412: 6410: 6406: 6404: 6401: 6399: 6396: 6394: 6391: 6390: 6388: 6384: 6378: 6375: 6373: 6370: 6368: 6365: 6363: 6360: 6358: 6355: 6353: 6350: 6349: 6347: 6343: 6340: 6338: 6334: 6324: 6321: 6319: 6316: 6315: 6313: 6311: 6307: 6301: 6298: 6296: 6293: 6291: 6288: 6286: 6283: 6281: 6278: 6276: 6273: 6271: 6268: 6266: 6263: 6262: 6260: 6256: 6250: 6247: 6245: 6242: 6240: 6237: 6236: 6234: 6230: 6224: 6221: 6219: 6216: 6214: 6211: 6209: 6206: 6204: 6201: 6199: 6196: 6194: 6191: 6189: 6186: 6184: 6181: 6179: 6176: 6174: 6171: 6169: 6166: 6165: 6163: 6159: 6156: 6150: 6147: 6144: 6140: 6136: 6129: 6124: 6122: 6117: 6115: 6110: 6109: 6106: 6094: 6091: 6089: 6086: 6084: 6081: 6078: 6077: 6074: 6064: 6061: 6059: 6056: 6054: 6051: 6049: 6046: 6044: 6041: 6039: 6036: 6035: 6033: 6029: 6023: 6020: 6018: 6015: 6013: 6007: 6005: 6002: 6000: 5997: 5995: 5992: 5991: 5989: 5985: 5982: 5980: 5973: 5963: 5960: 5958: 5955: 5953: 5950: 5948: 5945: 5943: 5940: 5938: 5935: 5933: 5930: 5928: 5925: 5923: 5920: 5918: 5915: 5913: 5910: 5908: 5905: 5903: 5900: 5898: 5895: 5893: 5890: 5888: 5885: 5883: 5880: 5878: 5875: 5873: 5870: 5868: 5865: 5863: 5860: 5858: 5855: 5853: 5850: 5849: 5847: 5843: 5837: 5834: 5832: 5829: 5827: 5821: 5819: 5816: 5814: 5811: 5809: 5806: 5804: 5801: 5799: 5796: 5794: 5791: 5790: 5788: 5784: 5781: 5779: 5772: 5762: 5759: 5757: 5754: 5752: 5749: 5747: 5744: 5742: 5739: 5737: 5734: 5732: 5729: 5727: 5724: 5722: 5719: 5717: 5714: 5712: 5709: 5707: 5704: 5702: 5699: 5697: 5694: 5692: 5689: 5687: 5684: 5682: 5679: 5677: 5674: 5672: 5669: 5667: 5664: 5662: 5659: 5657: 5654: 5652: 5649: 5647: 5644: 5642: 5639: 5637: 5634: 5632: 5629: 5627: 5624: 5622: 5619: 5617: 5614: 5613: 5611: 5607: 5601: 5598: 5596: 5590: 5588: 5585: 5583: 5580: 5578: 5575: 5573: 5570: 5568: 5565: 5563: 5560: 5559: 5557: 5553: 5550: 5548: 5541: 5531: 5528: 5526: 5523: 5521: 5518: 5516: 5513: 5511: 5508: 5506: 5503: 5501: 5498: 5496: 5493: 5491: 5488: 5485: 5484: 5480: 5476: 5472: 5468: 5464: 5460: 5456: 5452: 5448: 5445: 5442: 5438: 5437:protriptyline 5434: 5433:nortriptyline 5430: 5426: 5422: 5418: 5414: 5410: 5406: 5402: 5398: 5397:amitriptyline 5394: 5391: 5388: 5384: 5380: 5376: 5372: 5368: 5364: 5361: 5358: 5357:triazoledione 5354: 5350: 5346: 5342: 5339: 5336: 5333: 5329: 5325: 5321: 5317: 5313: 5309: 5305: 5301: 5300:brilaroxazine 5297: 5296:brexpiprazole 5293: 5289: 5285: 5282: 5279: 5278: 5275: 5272: 5270: 5267: 5265: 5262: 5260: 5257: 5255: 5252: 5250: 5247: 5245: 5242: 5240: 5237: 5235: 5232: 5230: 5227: 5225: 5222: 5220: 5217: 5215: 5212: 5210: 5207: 5205: 5202: 5200: 5197: 5195: 5192: 5190: 5187: 5185: 5182: 5180: 5177: 5175: 5172: 5170: 5167: 5165: 5162: 5160: 5159:Levocabastine 5157: 5155: 5152: 5150: 5147: 5145: 5142: 5140: 5137: 5135: 5132: 5130: 5127: 5125: 5122: 5120: 5117: 5115: 5112: 5110: 5109:Desloratadine 5107: 5105: 5102: 5100: 5097: 5095: 5092: 5090: 5087: 5085: 5082: 5080: 5077: 5075: 5072: 5070: 5067: 5065: 5062: 5060: 5057: 5055: 5052: 5050: 5047: 5045: 5042: 5040: 5037: 5035: 5032: 5029: 5028: 5025: 5022: 5020: 5017: 5015: 5012: 5010: 5007: 5005: 5002: 5000: 4999:Thenyldiamine 4997: 4995: 4992: 4990: 4987: 4985: 4984:Pyrrobutamine 4982: 4980: 4977: 4975: 4972: 4970: 4967: 4965: 4962: 4960: 4957: 4955: 4952: 4950: 4947: 4945: 4942: 4940: 4937: 4935: 4932: 4930: 4927: 4925: 4922: 4920: 4917: 4915: 4912: 4910: 4909:Methapyrilene 4907: 4905: 4904:Methafurylene 4902: 4900: 4897: 4895: 4892: 4890: 4887: 4885: 4882: 4880: 4877: 4875: 4872: 4870: 4867: 4865: 4862: 4860: 4857: 4855: 4852: 4850: 4847: 4845: 4842: 4840: 4837: 4835: 4832: 4830: 4827: 4825: 4822: 4820: 4817: 4815: 4812: 4810: 4807: 4805: 4802: 4800: 4797: 4795: 4792: 4790: 4787: 4785: 4782: 4780: 4777: 4775: 4772: 4770: 4767: 4765: 4762: 4760: 4757: 4755: 4752: 4750: 4747: 4745: 4742: 4740: 4737: 4735: 4732: 4730: 4727: 4725: 4722: 4720: 4717: 4715: 4712: 4710: 4709:Carbinoxamine 4707: 4705: 4702: 4700: 4697: 4695: 4692: 4690: 4687: 4685: 4682: 4680: 4677: 4675: 4672: 4670: 4667: 4665: 4662: 4660: 4657: 4655: 4652: 4649: 4648: 4646: 4642: 4636: 4633: 4631: 4625: 4623: 4620: 4618: 4615: 4613: 4610: 4608: 4605: 4604: 4602: 4598: 4595: 4593: 4586: 4582: 4579: 4572: 4567: 4565: 4560: 4558: 4553: 4552: 4549: 4543: 4539: 4536: 4534: 4531: 4530: 4518: 4514: 4509: 4504: 4500: 4496: 4493:(5): 318–44. 4492: 4488: 4484: 4477: 4469: 4465: 4461: 4457: 4453: 4449: 4444: 4436: 4420: 4416: 4412: 4408: 4404: 4400: 4396: 4392: 4385: 4369: 4365: 4361: 4357: 4353: 4349: 4345: 4341: 4334: 4326: 4322: 4318: 4312: 4308: 4304: 4300: 4296: 4289: 4274: 4270: 4266: 4260: 4252: 4248: 4244: 4240: 4236: 4232: 4228: 4221: 4205: 4201: 4197: 4193: 4189: 4185: 4181: 4177: 4170: 4154: 4150: 4146: 4142: 4138: 4134: 4130: 4126: 4119: 4111: 4107: 4102: 4097: 4093: 4089: 4085: 4078: 4072: 4070: 4065: 4058: 4054: 4049: 4044: 4040: 4036: 4032: 4028: 4024: 4017: 4009: 4005: 4001: 3997: 3994:(7): 603–25. 3993: 3989: 3982: 3974: 3970: 3965: 3960: 3956: 3952: 3948: 3944: 3940: 3933: 3925: 3921: 3917: 3913: 3909: 3905: 3901: 3897: 3890: 3883: 3879: 3875: 3871: 3867: 3863: 3859: 3852: 3844: 3840: 3836: 3832: 3828: 3824: 3817: 3809: 3805: 3801: 3797: 3793: 3789: 3785: 3781: 3774: 3772: 3763: 3759: 3755: 3751: 3746: 3741: 3737: 3733: 3729: 3725: 3718: 3710: 3706: 3702: 3698: 3694: 3690: 3683: 3675: 3671: 3666: 3661: 3657: 3653: 3649: 3645: 3641: 3634: 3626: 3622: 3618: 3614: 3610: 3606: 3603:(6): 637–72. 3602: 3598: 3591: 3583: 3577: 3573: 3566: 3558: 3554: 3549: 3544: 3540: 3536: 3532: 3525: 3517: 3511: 3507: 3500: 3492: 3488: 3483: 3478: 3474: 3470: 3467:(5): 318–44. 3466: 3462: 3458: 3451: 3443: 3437: 3433: 3426: 3410: 3406: 3402: 3391: 3383: 3379: 3375: 3371: 3366: 3361: 3357: 3353: 3349: 3345: 3341: 3334: 3332: 3323: 3319: 3314: 3309: 3305: 3301: 3297: 3293: 3289: 3285: 3281: 3274: 3266: 3262: 3257: 3252: 3247: 3242: 3238: 3234: 3230: 3223: 3215: 3211: 3206: 3201: 3198:(1): 155–68. 3197: 3193: 3189: 3182: 3180: 3178: 3176: 3167: 3163: 3158: 3153: 3149: 3145: 3142:(3): 601–55. 3141: 3137: 3133: 3126: 3124: 3122: 3120: 3118: 3116: 3114: 3105: 3101: 3096: 3091: 3087: 3083: 3079: 3075: 3071: 3064: 3056: 3052: 3047: 3042: 3038: 3034: 3030: 3026: 3022: 3015: 3013: 3004: 3000: 2996: 2992: 2988: 2984: 2976: 2968: 2964: 2959: 2954: 2949: 2944: 2940: 2936: 2932: 2925: 2917: 2913: 2909: 2905: 2901: 2897: 2893: 2889: 2882: 2875: 2867: 2863: 2858: 2853: 2848: 2843: 2840:(4): 615–20. 2839: 2835: 2831: 2824: 2816: 2812: 2808: 2804: 2800: 2796: 2792: 2788: 2780: 2772: 2768: 2763: 2758: 2753: 2748: 2744: 2740: 2736: 2734: 2725: 2723: 2714: 2710: 2706: 2702: 2698: 2694: 2687: 2679: 2675: 2670: 2665: 2661: 2657: 2653: 2649: 2645: 2638: 2636: 2624: 2620: 2616: 2612: 2608: 2604: 2600: 2593: 2586: 2578: 2574: 2570: 2566: 2563:(4): 689–92. 2562: 2558: 2551: 2537:on 2015-01-04 2533: 2529: 2523: 2519: 2512: 2506: 2498: 2494: 2493:Sigma-Aldrich 2490: 2484: 2470:on 2018-04-27 2469: 2465: 2461: 2455: 2447: 2445:0-17-625987-2 2441: 2437: 2432: 2431: 2422: 2404: 2400: 2396: 2391: 2386: 2382: 2378: 2371: 2364: 2356: 2352: 2348: 2344: 2340: 2336: 2329: 2321: 2317: 2312: 2307: 2303: 2299: 2295: 2288: 2280: 2278:0-8053-4989-8 2274: 2270: 2265: 2264: 2255: 2247: 2243: 2239: 2235: 2231: 2227: 2219: 2217: 2208: 2204: 2203: 2196: 2194: 2189: 2180: 2177: 2175: 2172: 2170: 2167: 2165: 2162: 2160: 2157: 2155: 2152: 2150: 2147: 2145: 2142: 2141: 2135: 2132: 2130: 2129: 2124: 2123: 2118: 2114: 2110: 2106: 2105:Henry H. Dale 2096: 2094: 2088: 2085: 2080: 2076: 2074: 2064: 2061: 2055: 2052: 2048: 2046: 2045: 2040: 2036: 2026: 1998: 1988: 1986: 1985:antipsychotic 1978: 1977:schizophrenia 1971:Schizophrenia 1968: 1962: 1958: 1954: 1950: 1942: 1938: 1928: 1918: 1912: 1908: 1905:This section 1903: 1899: 1894: 1893: 1885: 1883: 1879: 1869: 1864:, block the H 1863: 1859: 1855: 1846: 1837: 1835: 1827: 1818: 1806: 1802: 1798: 1791: 1787: 1778: 1776: 1772: 1768: 1764: 1760: 1756: 1752: 1748: 1744: 1740: 1737:known as the 1736: 1732: 1729: 1725: 1721: 1715: 1703: 1700: 1696: 1692: 1689: 1685: 1682: 1681: 1680: 1678: 1674: 1670: 1666: 1655: 1653: 1649: 1645: 1634: 1621: 1618: 1613: 1609: 1606: 1603: 1596: 1595: 1589: 1586: 1583: 1581: 1577: 1574: 1571: 1567: 1564: 1560: 1556: 1552: 1548: 1544: 1540: 1538: 1529: 1528: 1525: 1522: 1518: 1514: 1513:acetylcholine 1510: 1506: 1502: 1499: 1496: 1492: 1488: 1486: 1477: 1476: 1473: 1471: 1469: 1465: 1459: 1451: 1446: 1444: 1443: 1439: 1435: 1431: 1427: 1423: 1420:: Located on 1419: 1414: 1410: 1406: 1402: 1398: 1394: 1390: 1386: 1381: 1379: 1370: 1369: 1366: 1364: 1362: 1358: 1354: 1350: 1346: 1345:smooth muscle 1342: 1338: 1332: 1328: 1324: 1320: 1316: 1312: 1307: 1305: 1303: 1299: 1295: 1294:Smooth muscle 1291: 1285: 1281: 1277: 1273: 1269: 1264: 1262: 1253: 1252: 1246: 1243: 1240: 1237: 1233: 1232: 1226: 1216: 1213: 1203: 1201: 1200:polymorphisms 1197: 1193: 1188: 1186: 1182: 1178: 1175: 1171: 1167: 1163: 1159: 1155: 1151: 1146: 1143: 1139: 1135: 1130: 1128: 1123: 1119: 1114: 1110: 1106: 1102: 1098: 1093: 1091: 1087: 1083: 1079: 1075: 1065: 1061: 1059: 1055: 1051: 1047: 1043: 1039: 1035: 1031: 1027: 1023: 1020: 1016: 1011: 1009: 1005: 1001: 997: 993: 989: 980: 971: 969: 965: 961: 957: 952: 950: 946: 942: 938: 934: 930: 928: 922: 915: 911: 906: 902: 900: 897: 894: 890: 882: 878: 875:, a reaction 874: 871: 867: 857: 855: 851: 847: 840: 836: 829: 828: 822: 818: 814: 810: 802: 798: 793: 789: 787: 783: 778: 774: 770: 767:, but not in 766: 762: 758: 755: 751: 741: 739: 735: 731: 728:chain; under 727: 723: 719: 715: 711: 707: 703: 699: 695: 691: 687: 683: 679: 675: 671: 667: 664: 660: 656: 652: 648: 644: 640: 636: 632: 628: 624: 620: 608: 601: 596: 579: 573: 568: 563: 558: 553: 550: 547: 543: 542: 539:Pharmacology 537: 527: 524: 518: 514: 511: 510: 506: 504: 503: 498: 497: 493: 490: 487: 486: 482: 479: 475: 474: 470: 468: 467:Boiling point 465: 464: 460: 458: 457:Melting point 455: 454: 447: 445: 442: 441: 420: 417: 413: 412: 407: 398: 397: 394: 387: 373: 363: 362: 359: 352: 344: 340: 339:DTXSID4023125 336: 335: 333: 323: 319: 318: 311: 307: 306: 304: 302: 299: 298: 291: 287: 286: 284: 278: 274: 273: 269: 265: 263: 260: 259: 252: 248: 247: 245: 243: 240: 239: 232: 228: 227: 225: 222: 218: 217: 213: 209: 206: 204: 202:ECHA InfoCard 199: 198: 191: 187: 186: 184: 182: 179: 178: 171: 167: 166: 164: 162: 159: 158: 151: 147: 146: 144: 142: 139: 138: 131: 127: 126: 124: 122: 119: 118: 111: 107: 106: 104: 100: 95: 94: 87: 83: 82: 80: 77: 73: 72: 67: 62: 57: 53: 48: 44: 39: 35: 30: 22: 7413:Vasodilators 7363: 7362: 7358: 7342: 7282: 7278: 7167:Solriamfetol 7139: 7084:Isoprenaline 7059:Halostachine 7046: 7042: 7006: 6998: 6970: 6962: 6954: 6946: 6931:Trace amines 6908: 6783:Acetaldehyde 6470: 6452: 6444: 6416: 6408: 6386:Trace amines 6053:Thioperamide 6003: 5957:Thioperamide 5897:Clobenpropit 5818:Immethridine 5802: 5721:Ramixotidine 5691:Niperotidine 5656:Isolamtidine 5616:Bisfentidine 5576: 5525:Trelnarizine 5505:Flotrenizine 5486: 5475:thioridazine 5467:perphenazine 5459:fluphenazine 5455:flupenthixol 5441:trimipramine 5405:clomipramine 5401:butriptyline 5387:oxaprotiline 5316:paliperidone 5288:aripiprazole 5280: 5224:Piclopastine 5154:Latrepirdine 5144:Flezelastine 5139:Fexofenadine 5124:Efletirizine 5030: 5024:Triprolidine 5014:Tolpropamine 5009:Thonzylamine 5004:Thiazinamium 4979:Propiomazine 4974:Promethazine 4944:Phenindamine 4924:Orphenadrine 4914:Methdilazine 4879:Isothipendyl 4829:Etodroxizine 4759:Cloperastine 4650: 4616: 4490: 4486: 4476: 4451: 4447: 4435: 4423:. Retrieved 4398: 4394: 4384: 4372:. Retrieved 4347: 4343: 4333: 4298: 4294: 4288: 4277:. Retrieved 4268: 4259: 4234: 4230: 4220: 4208:. Retrieved 4183: 4179: 4169: 4157:. Retrieved 4132: 4128: 4118: 4091: 4087: 4077: 4061: 4030: 4026: 4016: 3991: 3987: 3981: 3949:(1): 24–33. 3946: 3942: 3932: 3902:(3): 180–9. 3899: 3895: 3889: 3881: 3864:(6): 383–7. 3861: 3857: 3851: 3829:(2): 220–4. 3826: 3822: 3816: 3783: 3779: 3730:(2): 183–9. 3727: 3723: 3717: 3692: 3688: 3682: 3647: 3643: 3633: 3600: 3596: 3590: 3571: 3565: 3538: 3534: 3524: 3505: 3499: 3464: 3460: 3450: 3431: 3425: 3413:. Retrieved 3409:the original 3404: 3390: 3347: 3343: 3287: 3283: 3273: 3236: 3232: 3222: 3195: 3191: 3139: 3135: 3080:(6): 802–9. 3077: 3073: 3063: 3028: 3024: 2986: 2982: 2975: 2938: 2934: 2924: 2891: 2887: 2874: 2837: 2833: 2823: 2790: 2786: 2779: 2742: 2738: 2732: 2699:(3): 163–8. 2696: 2692: 2686: 2654:(5): e1126. 2651: 2647: 2623:the original 2602: 2598: 2585: 2560: 2556: 2550: 2539:. Retrieved 2532:the original 2517: 2505: 2492: 2483: 2472:. Retrieved 2468:the original 2463: 2454: 2429: 2421: 2410:. Retrieved 2383:(7): 771–7. 2380: 2376: 2363: 2338: 2334: 2328: 2301: 2297: 2287: 2262: 2254: 2229: 2225: 2201: 2133: 2126: 2120: 2112: 2109:P.P. Laidlaw 2102: 2089: 2081: 2077: 2070: 2056: 2049: 2044:Mastocytosis 2042: 2032: 1994: 1974: 1935: 1925:October 2023 1922: 1906: 1875: 1843: 1803:and produce 1779: 1735:hypothalamus 1731:hypothalamus 1717: 1702:permeability 1695:vasodilation 1673:nasal cavity 1661: 1644:nitric oxide 1640: 1631: 1501:Autoreceptor 1468:gastric acid 1463: 1449: 1447: 1417: 1384: 1382: 1349:vasodilation 1343:, bronchial 1336: 1329:, regulates 1310: 1308: 1289: 1280:dorsal raphe 1267: 1265: 1209: 1196:bronchospasm 1189: 1185:fibromyalgia 1147: 1142:double-blind 1131: 1094: 1071: 1062: 1012: 996:hypothalamus 985: 953: 940: 926: 918: 863: 838: 826: 806: 800: 796: 788:-histamine. 785: 781: 747: 698:permeability 618: 617: 516: 501: 69:Identifiers 60: 7194:RTI-7470-44 7134:Phentermine 7027:Amphetamine 6973:-Octopamine 6965:-Octopamine 6788:Ammonia (NH 6659:Nucleosides 6419:-Octopamine 6411:-Octopamine 6323:T-HCA (GHC) 6280:Hypotaurine 6232:GABA system 6183:Glutathione 6038:JNJ-7777120 6031:Antagonists 5942:PF-03654746 5937:NNC 38-1049 5932:JNJ-5207852 5917:Impentamine 5882:Betahistine 5845:Antagonists 5798:Cipralisant 5761:Zolantidine 5751:Venritidine 5686:Mifentidine 5631:Dalcotidine 5609:Antagonists 5587:Impromidine 5515:Napactadine 5479:thiothixene 5429:lofepramine 5409:desipramine 5383:mirtazapine 5375:maprotiline 5328:ziprasidone 5324:risperidone 5308:iloperidone 5264:Terfenadine 5259:Temelastine 5209:Olopatadine 5199:Noberastine 5189:Mizolastine 5184:Mebhydrolin 5179:Mapinastine 5169:Linetastine 5084:Carebastine 5069:Bepotastine 5054:Bamirastine 5034:Acrivastine 4994:Thenalidine 4959:Pimethixene 4949:Pheniramine 4934:Oxomemazine 4899:Mequitazine 4889:Medrylamine 4869:Hydroxyzine 4849:Flunarizine 4844:Fenethazine 4839:Etymemazine 4804:Dimetindene 4779:Decloxizine 4754:Clocinizine 4749:Clobenzepam 4739:Cinnarizine 4684:Bepotastine 4659:Alimemazine 4644:Antagonists 4612:Betahistine 4350:: 379–385. 4135:: 379–385. 4033:: 305–314. 3786:(1): 1–14. 3745:11336/80375 3695:(1): 1–15. 3290:(1): 3899. 2941:: 9524075. 2731:"Histamine 2460:"Histamine" 2341:(4): 51–8. 2144:Anaphylaxis 2067:Measurement 1957:risperidone 1822:histamine H 1790:antagonists 1652:anaphylaxis 1547:bone marrow 1545:and in the 1532:Histamine H 1480:Histamine H 1430:neutrophils 1373:Histamine H 1323:nociception 1298:endothelium 1256:Histamine H 1154:homeostasis 1105:enterocytes 1068:Degradation 1054:Antibiotics 1036:. Certain 1030:degranulate 1015:immunologic 982:Mast cells. 893:hydrophilic 754:hygroscopic 734:amino group 702:capillaries 647:spinal cord 623:nitrogenous 530:Terminal NH 409:Properties 208:100.000.092 130:CHEBI:18295 7403:Imidazoles 7382:Categories 7162:Selegiline 7064:Higenamine 7054:Guanfacine 6993:Tryptamine 6988:Synephrine 6897:Classical 6890:Endogenous 6776:Candidates 6650:Nucleobase 6439:Tryptamine 6434:Synephrine 6345:Monoamines 6310:GHB system 6143:Amino acid 6058:Toreforant 6048:Seliforant 6012:-Histidine 5947:Pitolisant 5927:Irdabisant 5912:GSK-189254 5892:Ciproxifan 5887:Burimamide 5831:Methimepip 5826:-Histidine 5746:Tuvatidine 5736:Sufotidine 5731:Roxatidine 5726:Ranitidine 5711:Pibutidine 5706:Oxmetidine 5696:Nizatidine 5676:Lupitidine 5661:Lafutidine 5651:Famotidine 5646:Etintidine 5641:Ebrotidine 5636:Donetidine 5626:Cimetidine 5621:Burimamide 5595:-Histidine 5520:Tagorizine 5510:GSK1004723 5500:Elbanizine 5495:Belarizine 5421:imipramine 5349:nefazodone 5320:quetiapine 5312:olanzapine 5269:Vapitadine 5239:Rupatadine 5219:Pibaxizine 5174:Loratadine 5134:Epinastine 5129:Emedastine 5094:Clemastine 5089:Cetirizine 5079:Cabastinen 5064:Bepiastine 5059:Barmastine 5049:Azelastine 5044:Astemizole 5039:Alinastine 4969:Pipoxizine 4819:Doxylamine 4784:Deptropine 4774:Dacemazine 4744:Clemastine 4724:Chlorothen 4704:Captodiame 4664:Antazoline 4630:-Histidine 4581:modulators 4279:2024-08-18 3441:380557715X 3025:Immunology 2793:: 109738. 2745:(3): 737. 2541:2015-01-04 2527:9287152810 2474:2015-01-04 2412:2024-02-20 2185:References 1953:ranitidine 1949:cimetidine 1878:convulsion 1862:famotidine 1858:ranitidine 1854:Antagonist 1805:drowsiness 1669:mast cells 1570:chemotaxis 1434:mast cells 1413:cerebellum 1302:mast cells 1170:mast cells 1127:probiotics 1022:antibodies 988:mast cells 925:histamine- 896:vasoactive 891:. It is a 870:amino acid 835:protonated 777:tautomeric 744:Properties 738:protonated 726:ethylamine 690:mast cells 489:Solubility 444:Molar mass 310:820484N8I3 221:IUPHAR/BPS 161:ChemSpider 97:3D model ( 76:CAS Number 56:IUPAC name 27:Histamine 7388:Histamine 7364:See also: 7157:RO5166017 7069:Hordenine 7009:-Tyramine 7001:-Tyramine 6924:Serotonin 6909:Histamine 6667:Adenosine 6471:Histamine 6455:-Tyramine 6447:-Tyramine 6290:Sarcosine 6270:ÎČ-Alanine 6265:α-Alanine 6043:Mianserin 6004:Histamine 5952:SCH-79687 5907:Enerisant 5902:Conessine 5803:Histamine 5756:Xaltidine 5741:Tiotidine 5701:Osutidine 5681:Metiamide 5666:Lamtidine 5577:Histamine 5562:Amthamine 5530:Trenizine 5425:iprindole 5379:mianserin 5367:amoxapine 5353:trazodone 5304:clozapine 5292:asenapine 5274:Zepastine 5254:Talastine 5244:Setastine 5234:Rocastine 5214:Perastine 5204:Octastine 5194:Moxastine 5149:Ketotifen 5114:Dorastine 5099:Clemizole 5074:Bilastine 4989:Talastine 4964:Piperoxan 4939:Perlapine 4929:Oxatomide 4919:Moxastine 4884:Meclozine 4824:Embramine 4764:Cyclizine 4699:Buclizine 4689:Bromazine 4669:Azatadine 4617:Histamine 4425:18 August 4374:18 August 4210:18 August 4159:18 August 4069:CC BY 4.0 3762:205879131 3401:receptor" 3382:210119438 2916:205405463 2815:216303896 2113:histamine 2039:allergies 2029:Disorders 1917:talk page 1834:vigilance 1728:mammalian 1699:capillary 1688:secretion 1543:basophils 1521:serotonin 1464:Periphery 1418:Periphery 1361:urticaria 1339:: Causes 1337:Periphery 1290:Periphery 1272:dendrites 1221:through H 1162:pathogens 1058:polymyxin 1042:alkaloids 1026:membranes 992:basophils 910:histidine 877:catalyzed 873:histidine 813:aliphatic 722:imidazole 714:pathogens 708:and some 686:basophils 682:pathogens 663:endocrine 619:Histamine 526:Imidazole 400:NCCc1ccn1 268:Histamine 7271:Agonists 7234:Agonists 6904:Dopamine 6881:Agonists 6706:-derived 6652:-derived 6633:instead. 6588:Oleamide 6519:-derived 6500:instead. 6357:Dopamine 6168:Agmatine 6145:-derived 6079:See also 6063:VUF-6002 6022:VUF-8430 5987:Agonists 5962:VUF-5681 5877:Bavisant 5857:A-423579 5852:A-349821 5836:Proxyfan 5786:Agonists 5572:Dimaprit 5567:Betazole 5555:Agonists 5490:Azanator 5463:loxapine 5371:loxapine 5332:zotepine 5119:Ebastine 4674:Bamipine 4600:Agonists 4517:16993030 4419:Archived 4368:Archived 4364:28715791 4325:28321587 4301:: 3–19. 4273:Archived 4251:32928382 4204:Archived 4153:Archived 4149:28715791 4110:38447930 4071:license. 4057:34651098 4008:11377686 3973:19309354 3916:20493888 3878:15334189 3808:23148946 3754:19126417 3709:16890992 3674:17021184 3625:10170830 3617:11164999 3491:16993030 3415:20 March 3374:31913658 3322:30846750 3265:22586376 3214:26194403 3166:26084539 3104:25909280 3055:22957768 3003:20551163 2967:30224900 2908:21488903 2866:16489678 2807:32416409 2771:30744146 2678:28485729 2619:17892274 2497:Archived 2403:Archived 2399:26015312 2355:27028114 2320:27563055 2246:21332182 2207:Archived 2138:See also 1667:-loaded 1587:Function 1584:Location 1537:receptor 1485:receptor 1378:receptor 1331:appetite 1261:receptor 1244:Function 1241:Location 1150:antigens 1109:migraine 1046:morphine 937:synapses 817:nitrogen 757:crystals 718:infected 710:proteins 659:autocoid 641:for the 546:ATC code 181:DrugBank 150:ChEMBL90 6864:ligands 6704:Vitamin 6598:RVD-Hpα 6553:AA-5-HT 6300:Taurine 6285:Proline 6275:Glycine 6218:Proline 6188:Glycine 5872:AZD5213 5867:ABT-652 5862:ABT-239 5813:Immepip 5600:UR-AK49 5449:(e.g., 5417:doxepin 5395:(e.g., 5365:(e.g., 5343:(e.g., 5286:(e.g., 5281:Others: 4635:UR-AK49 4540:in the 4508:1512903 4468:8015069 4415:1404625 4269:PubChem 4231:Talanta 4200:4165374 4048:8511827 3964:2697784 3924:7852375 3843:7850330 3800:3133686 3665:6674640 3557:9042073 3482:1512903 3365:7099465 3313:6405771 3292:Bibcode 3256:3343474 3157:4485016 3095:4742940 3046:3482677 2958:6129797 2888:Allergy 2857:4066097 2762:6386932 2713:2110876 2669:5534955 2577:5452432 2099:History 1788:(i.e., 1749:to the 1724:neurons 1671:in the 1591:Sources 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Index

Histamine dihydrochloride


IUPAC name
CAS Number
51-45-6
JSmol
Interactive image
ChEBI
CHEBI:18295
ChEMBL
ChEMBL90
ChemSpider
753
DrugBank
DB05381
ECHA InfoCard
100.000.092
Edit this at Wikidata
IUPHAR/BPS
1204
KEGG
D08040
MeSH
Histamine
PubChem
774
UNII
820484N8I3
CompTox Dashboard

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