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Ceramide

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247:, with the end goal of producing sphingosine. In the case of glycosphingolipids, exohydrolases acting at acidic pH optima cause the stepwise release of monosaccharide units from the end of the oligosaccharide chains, leaving just the sphingosine portion of the molecule, which may then contribute to the generation of ceramides. Ceramide can be further hydrolyzed by acid ceramidase to form sphingosine and a free fatty acid, both of which are able to leave the lysosome, unlike ceramide. The long-chain sphingoid bases released from the lysosome may then re-enter pathways for synthesis of ceramide and/or 28: 2520: 20: 398:. This suggests a role for ceramide in the biological responses of all these agents. Because of its apoptosis-inducing effects in cancer cells, ceramide has been termed the "tumor suppressor lipid". Several studies have attempted to define further the specific role of ceramide in the events of cell death and some evidence suggests ceramide functions upstream of the 1756:
Merleev, Alexander A.; Le, Stephanie T.; Alexanian, Claire; Toussi, Atrin; Xie, Yixuan; Marusina, Alina I.; Watkins, Steven M.; Patel, Forum; Billi, Allison C.; Wiedemann, Julie; Izumiya, Yoshihiro; Kumar, Ashish; Uppala, Ranjitha; Kahlenberg, J. Michelle; Liu, Fu-Tong; Adamopoulos, Iannis E.; Wang,
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Merleev, AA; Le, ST; Alexanian, C; Toussi, A; Xie, Y; Marusina, AI; Watkins, SM; Patel, F; Billi, AC; Wiedemann, J; Izumiya, Y; Kumar, A; Uppala, R; Kahlenberg, JM; Liu, FT; Adamopoulos, IE; Wang, EA; Ma, C; Cheng, MY; Xiong, H; Kirane, A; Luxardi, G; Andersen, B; Tsoi, LC; Lebrilla, CB; Gudjonsson,
606:, allowing them to serve as platforms for signalling molecules. Moreover, as rafts on one leaflet of the membrane can induce localized changes in the other leaflet of the bilayer, they can potentially serve as the link between signals from outside the cell to signals to be generated within the cell. 422:
and free fatty acids, ceramides form the lipid mortar, a water-impermeable barrier that prevents evaporative water loss. As a general rule of thumb, the epidermal lipid matrix is composed of an equimolar mixture of ceramides (~50% by weight), cholesterol (~ 25% by weight), and free fatty acids (~15%
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The diversity of ceramide structures undoubtedly plays an important role in the unique attributes of the stratum corneum across different body sites. For example, the stratum corneum of the face is thin and flexible to accommodate different facial expressions. In contrast, the stratum corneum
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patients, other investigators have reported that rather than focusing on ceramide classes, ceramide sphingoid base length and fatty acid chain length have the strongest influence on the likelihood of a particular ceramide structure being upregulated or downregulated in inflamed skin.
386:, is essential for the maintenance of normal cellular homeostasis and is an important physiological response to many forms of cellular stress. Ceramide accumulation has been found following treatment of cells with a number of apoptotic agents, including ionizing radiation, 439:
covering the heel of the foot is thick and rigid to protect against trauma. Matching these structural changes, there are body-site specific alterations in the epidermal lipidome, including changes in the relative abundance of the different epidermal ceramide structures.
307:(MACE), namely C16:0, C18:0, and C24:1, although C24:0 has an inverse relationship. C16-C18 are harmful in the liver. Ceramide levels are positively correlated with inflammation and oxidative stress in the liver, and the onset and progression of 426:
Epidermal ceramides have a diversity of structures and can be broadly classified as AS and NS ceramides; ADS and NDS dihydroceramides; AH, EOH, and NH 6-hydroxyceramides; AP and NP phytoceramides; and EOH and EOS acylceramides, see figure.
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of cells, the implications of this method of generating ceramide is that the cellular membrane is the target of extracellular signals leading to programmed cell death. There has been research suggesting that when ionizing
450:, investigators have reported an increase in AS and NS ceramides and a decrease in EOS, AP, and NP ceramides, which may contribute to a defect in the skin's water impermeability barrier. Studying ceramide expression in 1757:
Elizabeth A.; Ma, Chelsea; Cheng, Michelle Y.; Xiong, Halani; Kirane, Amanda; Luxardi, Guillaume; Andersen, Bogi; Tsoi, Lam C.; Lebrilla, Carlito B.; Gudjonsson, Johann E.; Maverakis, Emanual (22 August 2022).
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Garidel P, Fölting B, Schaller I, Kerth A (2010). "The microstructure of the stratum corneum lipid barrier: mid-infrared spectroscopic studies of hydrated ceramide:palmitic acid:cholesterol model systems".
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in inducing apoptosis. However, owing to the conflicting and variable nature of studies into the role of ceramide in apoptosis, the mechanism by which this lipid regulates apoptosis remains elusive.
645:. They are also used in cosmetic products such as some soaps, shampoos, skin creams, and sunscreens. Additionally, ceramides are being explored as a potential therapeutic in treating cancer. 442:
Similar to body site-specific alterations in ceramide abundance, there are also well-characterized changes in epidermal ceramide expression in patients with inflammatory skin diseases. In the
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There are three major pathways of ceramide generation. First, the sphingomyelinase pathway uses an enzyme to break down sphingomyelin in the cell membrane and release ceramide. Second, the
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Li Z, Basterr MJ, Hailemariam TK, Hojjati MR, Lu S, Liu J, Liu R, Zhou H, Jiang XC (2005). "The effect of dietary sphingolipids on plasma sphingomyelin metabolism and atherosclerosis".
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Ceramide has also been shown to form organized large channels traversing the mitochondrial outer membrane. This leads to the egress of proteins from the intermembrane space.
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expression. An elevated level of ceramide can cause insulin resistance by inhibiting the ability of insulin to activate the 
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Holland WL, Bikman BT, Wang LP, Yuguang G, Sargent KM, Bulchand S, Knotts TA, Shui G, Clegg DJ, Wenk MR, Pagliassotti MJ, Scherer PE, Summers SA (2011).
599: 280:, cell migration and adhesion. Roles for ceramide and its downstream metabolites have also been suggested in a number of pathological states including 3279: 2875: 259:
or in endoplasmic reticulum-associated membranes. The salvage pathway has been estimated to contribute from 50% to 90% of sphingolipid biosynthesis.
208: 1096:"Lipid-induced insulin resistance mediated by the proinflammatory receptor TLR4 requires saturated fatty acid-induced ceramide biosynthesis in mice" 418:. It is composed of terminally differentiated and enucleated corneocytes that reside within a lipid matrix, like "bricks and mortar." Together with 323:. Although initial studies showed increased insulin resistance in muscle, subsequent studies also showed increased insulin resistance in liver and 223:
by either vesicular trafficking or the ceramide transfer protein CERT. Once in the Golgi apparatus, ceramide can be further metabolized to other
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Constitutive degradation of sphingolipids and glycosphingolipids takes place in the acidic subcellular compartments, the late endosomes and the
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Velasco, G; Galve-Roperh, I; Sánchez, C; Blázquez, C; Haro, A; Guzmán, M (2005). "Cannabinoids and ceramide: Two lipids acting hand-by-hand".
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by weight), with smaller quantities of other lipids also being present. The lipid barrier also protects against the entry of microorganisms.
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Mehra VC, Jackson E, Zhang XM, Jiang XC, Dobrucki LW, Yu J, Bernatchez P, Sinusas AJ, Shulman GI, Sessa WC, Yarovinsky TO, Bender JR (2014).
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Minamino, Miki; Sakaguchi, Ikuyo; Naka, Takashi; Ikeda, Norikazu; Kato, Yoshiko; Tomiyasu, Ikuko; Yano, Ikuya; Kobayashi, Kazuo (2003).
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in some cells, the radiation leads to the activation of sphingomyelinase in the cell membrane and ultimately, to ceramide generation.
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Wehbe, Zeinab; Behringer, Sidney; Alatibi, Khaled; Watkins, David; Rosenblatt, David; Spiekerkoetter, Ute; Tucci, Sara (2019-11-01).
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Motta, S; Monti, M; Sesana, S; Caputo, R; Carelli, S; Ghidoni, R (8 September 1993). "Ceramide composition of the psoriatic scale".
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Ceramides may be found as ingredients of some topical skin medications used to complement treatment for skin conditions such as
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pathway creates ceramide from less complex molecules. Third, in the "salvage" pathway, sphingolipids that are broken down into
2890: 2586: 1759:"Biogeographic and disease-specific alterations in epidermal lipid composition and single-cell analysis of acral keratinocytes" 1519:"Biogeographic and disease-specific alterations in epidermal lipid composition and single-cell analysis of acral keratinocytes" 251:. The salvage pathway re-utilizes long-chain sphingoid bases to form ceramide through the action of ceramide synthase. Thus, 2535: 2143:
Stiban J, Fistere D, Colombini M (2006). "Dihydroceramide hinders ceramide channel formation: Implications on apoptosis".
484: 304: 1042:"Insights into the roles and pathomechanisms of ceramide and sphigosine-1-phosphate in nonalcoholic fatty liver disease" 1659: 1411:
Dbaibo GS, El-Assaad W, Krikorian A, Liu B, Diab K, Idriss NZ, El-Sabban M, Driscoll TA, Perry DK, Hannun YA (2001).
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found in cell membrane were purely supporting structural elements, ceramide can participate in a variety of cellular
2930: 1235:"Ceramide-activated phosphatase mediates fatty acid-induced endothelial VEGF resistance and impaired angiogenesis" 2022:
Hallahan DE (1996). "Radiation-mediated gene expression in the pathogenesis of the clinical radiation response".
1680:"Thematic review series: skin lipids. The role of epidermal lipids in cutaneous permeability barrier homeostasis" 1808:"Central role of ceramide biosynthesis in body weight regulation, energy metabolism, and the metabolic syndrome" 334:
Ceramides induce skeletal muscle insulin resistance when synthesized as a result of saturated fat activation of
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Hannun, Y.A.; Obeid, L.M. (2008). "Principles of bioactive lipid signalling: lessons from sphingolipids".
2571: 212: 2239: 2837: 2188:"Ceramide forms channels in mitochondrial outer membranes at physiologically relevant concentrations" 1913: 1684: 434:
Epidermal Ceramides. (Merleev et. al., JCI Insight 2022, Supplemental Data p.14- Supplemental Fig. 1)
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As a bioactive lipid, ceramide has been implicated in a variety of physiological functions including
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does not have this effect. Ceramides induce insulin resistance in many tissues by inhibition of
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One of the most studied roles of ceramide pertains to its function as a proapoptotic molecule.
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family members probably trap free sphingosine released from the lysosome at the surface of the
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and is the rate-limiting step of the pathway. In turn, 3-keto-dihydrosphingosine is reduced to
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Hill JR, Wertz PW (2009). "Structures of the ceramides from porcine palatal stratum corneum".
1462:"A house divided: ceramide, sphingosine, and sphingosine-1-phosphate in programmed cell death" 2885: 2843: 2704: 2396: 1857:
Febbraio, Mark (2014). "Role of interleukins in obesity:implications for metabolic disease".
1615: 383: 359: 256: 216: 93: 2287:"Brain metabolism and neurological symptoms in combined malonic and methylmalonic aciduria" 759:"Ionizing radiation acts on cellular membranes to generate ceramide and initiate apoptosis" 626: 565: 125:, the waxy or cheese-like white substance found coating the skin of newborn human infants. 85: 1926: 207:, which is then followed by acylation by the enzyme (dihydro)ceramide synthase to produce 8: 673:
head group. CPE is the major sphingolipid class in some invertebrates such as members of
670: 328: 2792: 2525: 2476:"Bacterial ceramides and sphingophospholipids induce apoptosis of human leukaemic cells" 3329: 3274: 3203: 3193: 2829: 2742: 2628: 2451: 2424: 2321: 2286: 2212: 2187: 2168: 2120: 2093: 1935: 1908: 1882: 1834: 1807: 1783: 1758: 1591: 1543: 1518: 1486: 1461: 1442: 1261: 1234: 1173: 1146: 1122: 1095: 1068: 1041: 1012: 985: 901:
Zeidan, Y.H.; Hannun, Y.A. (2007). "Translational aspects of sphingolipid metabolism".
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is noticeably increased, the concentration of ceramides is proportionally decreased.
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Dbaibo GS, Pushkareva MY, Rachid RA, Alter N, Smyth MJ, Obeid LM, Hannun YA (1998).
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Kogot-Levin A, Saada A (2014). "Ceramide and the mitochondrial respiratory chain".
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Currently, the means by which ceramide acts as a signaling molecule are not clear.
415: 163: 27: 1372:"Caspase-dependent and -independent activation of acid sphingomyelinase signaling" 1147:"Ceramides and glucosylceramides are independent antagonists of insulin signaling" 869: 3324: 2255: 1477: 1299: 1252: 1211: 938:"Aging up-regulates expression of inflammatory mediators in mouse adipose tissue" 914: 595: 411: 351: 339: 220: 171: 81: 1960:"The Importance of Photoprotection and Moisturization in Treating Acne Vulgaris" 954: 937: 712: 2826: 2587: 2203: 1825: 1774: 1698: 1679: 1534: 1003: 324: 122: 97: 2303: 2156: 2070: 1870: 1628: 1579: 3318: 3259: 2715: 2312: 2263: 720: 630: 316: 228: 224: 159: 73: 69: 61: 1163: 199:
to form 3-keto-dihydrosphingosine. This reaction is catalyzed by the enzyme
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Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids
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Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids
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Yang G, Badeanlou L, Bielawski J, Roberts AJ, Hannun YA, Samad F (2009).
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Chavez JA, Siddique MM, Wang ST, Ching J, Shayman JA, Summers SA (2014).
603: 560: 550: 443: 419: 140: 49: 3180: 2996: 2595: 1059: 854:"The sphingolipid salvage pathway in ceramide metabolism and signaling" 675: 535: 514: 501: 312: 277: 155: 57: 53: 3126: 3051: 3026: 2951: 2734: 2696: 1286: 1113: 579: 574: 519: 455: 447: 430: 391: 379: 273: 244: 192: 180: 176: 144: 65: 1338: 822: 3221: 3170: 3016: 1370:
Rotolo JA, Zhang J, Donepudi M, Lee H, Fuks Z, Kolesnick R (2005).
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Davis, Deanna; Kannan, Muthukumar; Wattenberg, Binks (2018-12-01).
468: 289: 2056: 986:"Cholesterol - the devil you know; ceramide - the devil you don't" 679:. In contrast, mammalian cells contain only small amounts of CPE. 936:
Wu D, Ren Z, Pae M, Guo W, Cui X, Merrill AH, Meydani SN (2007).
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Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease
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by ceramide causes LDL retention in arterial walls, leading to
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Haimovitz-Friedman A, Kan CC, Ehleiter D, et al. (1994).
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De novo synthesis of ceramide begins with the condensation of
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Ceramide is rarely found in bacteria. Bacteria of family
211:. The final reaction to produce ceramide is catalyzed by 112: 60:. Ceramides are found in high concentrations within the 42: 23:
Ceramide. R represents the alkyl portion of a fatty acid.
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has been shown to increase serum ceramide and increase
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and/or via the activation of 
3158: 2371:"Safety Assessment of Ceramides as Used in Cosmetics" 1993:"Hydroxypalmitoyl Sphinganine (Explained + Products)" 1323:"p53-dependent ceramide response to genotoxic stress" 694: 2345:"Ceramides - Skin Lipids That Keep Skin Moisturized" 1040:
Zhu C, Huai Q, Zhang X, Dai H, Li X, Wang H (2023).
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cells, since they are component lipids that make up
2425:"Apoptotic Sphingolipid Ceramide in Cancer Therapy" 1466:Biochimica et Biophysica Acta (BBA) - Biomembranes 485:insulin signal transduction pathway 166:. Because sphingomyelin is one of the four common 128: 1909:"Ceramide: a common pathway for atherosclerosis?" 1906: 852:Kitatani K, Idkowiak-Baldys J, Hannun YA (2008). 629:(mtFAS). For example, while the concentration of 594:One hypothesis is that ceramide generated in the 362:(PP2A). In mitochondria, ceramide suppresses the 3316: 2467: 1283: 602:and stabilizes smaller lipid platforms known as 311:(NAFLD) is associated with elevated ceramide in 2422: 1958:Whitney P. Bowe; Leon H. Kircik (August 2014). 1902: 1900: 1898: 1896: 1673: 1671: 1607: 1605: 1459: 1039: 660: 215:. De novo synthesis of ceramide occurs in the 2423:Huang, WC; Chen, CL; Lin, YS; Lin, CF (2011). 2186:Siskind LJ, Kolesnick RN, Colombini M (2006). 2092:Siskind LJ, Kolesnick RN, Colombini M (2002). 1856: 1089: 1087: 1035: 1033: 1031: 979: 977: 975: 973: 804: 802: 495:Substances known to induce ceramide generation 219:. Ceramide is subsequently transported to the 2808: 2572: 752: 750: 748: 703:. Sphingolipid Signaling in Chronic Disease. 2376:. Cosmetic Ingredient Review. May 16, 2014. 1893: 1799: 1668: 1602: 1559: 1453: 1404: 1363: 1277: 1226: 1189: 1138: 1047:International Journal of Biological Sciences 984:Tippetts TS, Holland WL, Summers SA (2021). 587:Mechanism by which ceramide signaling occurs 303:Several distinct ceramides potently predict 276:, cell growth arrest, differentiation, cell 2021: 1314: 1084: 1028: 970: 935: 894: 845: 799: 619:combined malonic and methylmalonic aciduria 150: 3204: 2815: 2801: 2579: 2565: 745: 2549:at the U.S. National Library of Medicine 2491: 2450: 2440: 2320: 2302: 2211: 2119: 2109: 1934: 1833: 1782: 1697: 1565: 1542: 1485: 1428: 1387: 1346: 1260: 1172: 1162: 1121: 1067: 1011: 953: 877: 782: 728: 2936:Tooltip Sphingosine-1-phosphate receptor 1907:Bismuth J, Lin P, Yao Q, Chen C (2008). 1677: 665:Ceramide phosphoethanolamine (CPE) is a 471:in obese mice may lead to both improved 429: 26: 18: 2050: 648: 3317: 3270:3-Ketosphinganine (dehydrosphingosine) 2860:Tooltip Lysophosphatidic acid receptor 1859:Trends in Endocrinology and Metabolism 467:Inhibition of ceramide synthesis with 262: 3163:Tooltip Serine C-palmitoyltransferase 2992:Dihydro-S1P (sphinganine 1-phosphate) 2796: 2560: 2383:from the original on January 13, 2021 2284: 2233: 2231: 1927:10.1016/j.atherosclerosis.2007.09.018 1649: 1511: 1509: 1507: 1505: 1460:Taha TA, Mullen TD, Obeid LM (2006). 811:Nature Reviews Molecular Cell Biology 48:molecules. A ceramide is composed of 1517:JE; Maverakis, E (22 August 2022). 612: 305:major adverse cardiovascular events 13: 2228: 1654:. New York: Taylor & Francis. 1502: 991:Trends in Pharmacological Sciences 238: 14: 3341: 2511: 2351:from the original on 6 April 2016 2291:Orphanet Journal of Rare Diseases 2003:from the original on 12 July 2021 1240:The American Journal of Pathology 1101:Journal of Clinical Investigation 701:Advances in Biological Regulation 309:non-alcoholic fatty liver disease 72:, one of the major lipids in the 3275:Dihydrosphingosine (sphinganine) 2518: 2416: 2363: 2337: 2278: 2179: 2136: 2085: 2015: 1985: 1974:from the original on 2022-01-02 1964:Journal of Drugs in Dermatology 1951: 1850: 1749: 1714: 1643: 1151:Journal of Biological Chemistry 129:Pathways for ceramide synthesis 1813:American Journal of Physiology 929: 688: 669:consisted of a ceramide and a 414:is the outermost layer of the 84:: examples include regulating 16:Family of waxy lipid molecules 1: 3305:Receptor/signaling modulators 2036:10.1016/S1053-4296(96)80021-X 1430:10.1016/S0014-5793(01)02625-4 870:10.1016/j.cellsig.2007.12.006 682: 121:. Ceramide is a component of 2256:10.1016/j.bbalip.2019.07.012 1735:10.1016/0925-4439(93)90135-n 1478:10.1016/j.bbamem.2006.10.018 1300:10.1016/j.biochi.2013.07.027 1253:10.1016/j.ajpath.2014.01.009 1212:10.1016/j.bbalip.2005.05.004 915:10.1016/j.molmed.2007.06.002 661:Ceramide phosphoethanolamine 532:Hydroxypalmitoyl Sphinganine 373: 267: 201:serine palmitoyl transferase 7: 955:10.4049/jimmunol.179.7.4829 713:10.1016/j.jbior.2018.08.002 462: 162:is catalyzed by the enzyme 10: 3346: 3209:Tooltip Sphingosine kinase 2285:Tucci, Sara (2020-01-22). 2204:10.1016/j.mito.2006.03.002 1826:10.1152/ajpendo.91014.2008 1775:10.1172/jci.insight.159762 1699:10.1194/jlr.R700013-JLR200 1535:10.1172/jci.insight.159762 1004:10.1016/j.tips.2021.10.001 366:and induces production of 292:, microbial pathogenesis, 213:dihydroceramide desaturase 186: 3298: 3239: 3202: 3179: 3156: 3139: 2929: 2853: 2836: 2774: 2751: 2732: 2713: 2694: 2660: 2649: 2614: 2304:10.1186/s13023-020-1299-7 2157:10.1007/s10495-006-5882-8 2071:10.1016/j.lfs.2005.05.015 1871:10.1016/j.tem.2014.02.004 1685:Journal of Lipid Research 1629:10.1016/j.bpc.2010.03.008 1580:10.1007/s11745-009-3283-9 942:The Journal of Immunology 617:In the metabolic disease 546:Matrix metalloproteinases 2551:Medical Subject Headings 580:1,25 Dihydroxy vitamin D 475:signaling and decreased 364:electron transport chain 151:Sphingomyelin hydrolysis 2782:Sphingosine-1-phosphate 2608:metabolic intermediates 1164:10.1074/jbc.M113.522847 657:, however, contain it. 636: 556:Reactive oxygen species 510:Chemotherapeutic agents 405: 396:chemotherapeutic agents 368:reactive oxygen species 356:endothelial dysfunction 249:sphingosine-1-phosphate 2404:Cite journal requires 2111:10.1074/jbc.M200754200 1389:10.1074/jbc.M414569200 435: 35: 31:General structures of 24: 2705:Globotriaosylceramide 2493:10.1099/mic.0.25922-0 1650:Elias, Peter (2006). 1616:Biophysical Chemistry 775:10.1084/jem.180.2.525 506:Ceramidase inhibitors 433: 384:programmed cell death 360:protein phosphatase 2 257:endoplasmic reticulum 217:endoplasmic reticulum 107:comes from the Latin 94:programmed cell death 30: 22: 3002:Fingolimod phosphate 1678:Feingold KR (2007). 649:Ceramide in bacteria 627:fatty acid synthesis 566:Tetrahydrocannabinol 315:. Dietary intake of 2442:10.1155/2011/565316 671:phosphoethanolamine 329:fatty liver disease 263:Physiological roles 2743:Galactocerebroside 2629:Galactocerebroside 2604:glycosphingolipids 2024:Sem. Radiat. Oncol 1060:10.7150/ijbs.78525 541:Ionizing radiation 477:insulin resistance 436: 354:. Ceramides cause 321:insulin resistance 233:glycosphingolipids 205:dihydrosphingosine 147:to form ceramide. 36: 25: 3312: 3311: 3235: 3234: 3150: 3135: 3134: 2847: 2790: 2789: 2770: 2769: 2429:Journal of Lipids 2250:(11): 1629–1643. 2104:(30): 26796–803. 1692:(12): 2531–2546. 998:(12): 1082–1095. 655:Sphingomonadaceae 600:membrane rigidity 452:atopic dermatitis 346:. Aggregation of 344:Akt/PKB signaling 286:neurodegeneration 253:ceramide synthase 3337: 3210: 3206: 3164: 3160: 3154: 3153: 3144: 2937: 2933: 2861: 2857: 2851: 2850: 2841: 2824:Lysophospholipid 2817: 2810: 2803: 2794: 2793: 2724:Glucocerebroside 2658: 2657: 2641:Lactosylceramide 2634:Glucocerebroside 2581: 2574: 2567: 2558: 2557: 2522: 2521: 2506: 2505: 2495: 2486:(8): 2071–2081. 2471: 2465: 2464: 2454: 2444: 2435:(2011): 565316. 2420: 2414: 2413: 2407: 2402: 2400: 2392: 2390: 2388: 2382: 2375: 2367: 2361: 2360: 2358: 2356: 2341: 2335: 2334: 2324: 2306: 2282: 2276: 2275: 2235: 2226: 2225: 2215: 2183: 2177: 2176: 2140: 2134: 2133: 2123: 2113: 2089: 2083: 2082: 2054: 2048: 2047: 2019: 2013: 2012: 2010: 2008: 1989: 1983: 1982: 1980: 1979: 1955: 1949: 1948: 1938: 1904: 1891: 1890: 1854: 1848: 1847: 1837: 1820:(1): E211–E224. 1803: 1797: 1796: 1786: 1753: 1747: 1746: 1718: 1712: 1711: 1701: 1675: 1666: 1665: 1647: 1641: 1640: 1623:(1–3): 144–156. 1609: 1600: 1599: 1563: 1557: 1556: 1546: 1513: 1500: 1499: 1489: 1457: 1451: 1450: 1432: 1408: 1402: 1401: 1391: 1382:(28): 26425–34. 1367: 1361: 1360: 1350: 1318: 1312: 1311: 1281: 1275: 1274: 1264: 1247:(5): 1562–1576. 1230: 1224: 1223: 1193: 1187: 1186: 1176: 1166: 1142: 1136: 1135: 1125: 1114:10.1172/JCI43378 1108:(5): 1858–1870. 1091: 1082: 1081: 1071: 1037: 1026: 1025: 1015: 981: 968: 967: 957: 933: 927: 926: 898: 892: 891: 881: 864:(6): 1010–1018. 849: 843: 842: 806: 797: 796: 786: 754: 743: 742: 732: 692: 621:(CMAMMA) due to 613:Related diseases 536:Gamma interferon 331:, for example). 231:and the complex 164:sphingomyelinase 41:are a family of 3345: 3344: 3340: 3339: 3338: 3336: 3335: 3334: 3315: 3314: 3313: 3308: 3294: 3280:Dihydroceramide 3231: 3208: 3198: 3175: 3162: 3143: 3131: 2935: 2925: 2876:1-Palmitoyl-LPA 2859: 2840: 2832: 2821: 2791: 2786: 2766: 2747: 2728: 2709: 2690: 2653: 2645: 2610: 2588:Glycoconjugates 2585: 2543: 2542: 2541: 2523: 2519: 2514: 2509: 2472: 2468: 2421: 2417: 2405: 2403: 2394: 2393: 2386: 2384: 2380: 2373: 2369: 2368: 2364: 2354: 2352: 2343: 2342: 2338: 2283: 2279: 2236: 2229: 2184: 2180: 2141: 2137: 2090: 2086: 2065:(14): 1723–31. 2055: 2051: 2020: 2016: 2006: 2004: 1997:incidecoder.com 1991: 1990: 1986: 1977: 1975: 1956: 1952: 1914:Atherosclerosis 1905: 1894: 1855: 1851: 1804: 1800: 1754: 1750: 1719: 1715: 1676: 1669: 1662: 1648: 1644: 1610: 1603: 1564: 1560: 1514: 1503: 1472:(12): 2027–36. 1458: 1454: 1409: 1405: 1368: 1364: 1339:10.1172/JCI1180 1327:J. Clin. Invest 1319: 1315: 1282: 1278: 1231: 1227: 1194: 1190: 1143: 1139: 1092: 1085: 1038: 1029: 982: 971: 934: 930: 903:Trends Mol. Med 899: 895: 850: 846: 823:10.1038/nrm2329 807: 800: 755: 746: 693: 689: 685: 663: 651: 639: 615: 596:plasma membrane 589: 584: 497: 465: 412:stratum corneum 408: 376: 352:atherosclerosis 348:LDL cholesterol 340:Unsaturated fat 270: 265: 241: 239:Salvage pathway 221:Golgi apparatus 209:dihydroceramide 189: 172:plasma membrane 153: 131: 86:differentiation 17: 12: 11: 5: 3343: 3333: 3332: 3327: 3310: 3309: 3299: 3296: 3295: 3293: 3292: 3287: 3282: 3277: 3272: 3267: 3262: 3243: 3241: 3237: 3236: 3233: 3232: 3230: 3229: 3224: 3219: 3213: 3211: 3200: 3199: 3197: 3196: 3191: 3185: 3183: 3177: 3176: 3174: 3173: 3167: 3165: 3151: 3137: 3136: 3133: 3132: 3130: 3129: 3120: 3119: 3114: 3109: 3104: 3099: 3094: 3085: 3084: 3079: 3074: 3069: 3064: 3059: 3054: 3049: 3044: 3039: 3034: 3029: 3024: 3019: 3014: 3009: 3004: 2999: 2994: 2989: 2984: 2979: 2974: 2969: 2964: 2959: 2954: 2949: 2940: 2938: 2927: 2926: 2924: 2923: 2918: 2913: 2908: 2903: 2894: 2893: 2888: 2883: 2878: 2873: 2864: 2862: 2848: 2834: 2833: 2820: 2819: 2812: 2805: 2797: 2788: 2787: 2785: 2784: 2778: 2776: 2772: 2771: 2768: 2767: 2765: 2764: 2758: 2756: 2749: 2748: 2746: 2745: 2739: 2737: 2730: 2729: 2727: 2726: 2720: 2718: 2711: 2710: 2708: 2707: 2701: 2699: 2692: 2691: 2689: 2688: 2683: 2678: 2673: 2667: 2665: 2655: 2647: 2646: 2644: 2643: 2638: 2637: 2636: 2631: 2620: 2618: 2612: 2611: 2584: 2583: 2576: 2569: 2561: 2555: 2554: 2530:chemical-class 2524: 2517: 2516: 2515: 2513: 2512:External links 2510: 2508: 2507: 2466: 2415: 2406:|journal= 2362: 2336: 2277: 2227: 2178: 2135: 2084: 2049: 2030:(4): 250–267. 2014: 1984: 1950: 1921:(2): 497–504. 1892: 1865:(6): 312–319. 1849: 1798: 1748: 1713: 1667: 1660: 1642: 1601: 1574:(3): 291–295. 1558: 1501: 1452: 1403: 1362: 1333:(2): 329–339. 1313: 1276: 1225: 1206:(2): 130–134. 1188: 1157:(2): 723–734. 1137: 1083: 1054:(1): 311–330. 1027: 969: 948:(7): 4829–39. 928: 909:(8): 327–336. 893: 858:Cell Signaling 844: 817:(2): 139–150. 798: 744: 686: 684: 681: 662: 659: 650: 647: 638: 635: 614: 611: 588: 585: 583: 582: 577: 572: 563: 558: 553: 548: 543: 538: 533: 530: 527: 522: 517: 512: 507: 504: 498: 496: 493: 479:by decreasing 464: 461: 407: 404: 375: 372: 358:by activating 325:adipose tissue 269: 266: 264: 261: 240: 237: 188: 185: 152: 149: 143:are reused by 130: 127: 123:vernix caseosa 15: 9: 6: 4: 3: 2: 3342: 3331: 3328: 3326: 3323: 3322: 3320: 3307: 3306: 3303: 3297: 3291: 3288: 3286: 3283: 3281: 3278: 3276: 3273: 3271: 3268: 3266: 3263: 3261: 3260:Palmitoyl-CoA 3258: 3254: 3251: 3248: 3245: 3244: 3242: 3238: 3228: 3225: 3223: 3220: 3218: 3215: 3214: 3212: 3207: 3201: 3195: 3192: 3190: 3187: 3186: 3184: 3182: 3178: 3172: 3169: 3168: 3166: 3161: 3155: 3152: 3148: 3142: 3138: 3128: 3125: 3122: 3121: 3118: 3115: 3113: 3110: 3108: 3105: 3103: 3100: 3098: 3095: 3093: 3090: 3087: 3086: 3083: 3080: 3078: 3075: 3073: 3070: 3068: 3065: 3063: 3060: 3058: 3055: 3053: 3050: 3048: 3045: 3043: 3040: 3038: 3035: 3033: 3030: 3028: 3025: 3023: 3020: 3018: 3015: 3013: 3010: 3008: 3005: 3003: 3000: 2998: 2995: 2993: 2990: 2988: 2985: 2983: 2980: 2978: 2975: 2973: 2970: 2968: 2965: 2963: 2960: 2958: 2955: 2953: 2950: 2948: 2945: 2942: 2941: 2939: 2934: 2928: 2922: 2919: 2917: 2914: 2912: 2909: 2907: 2904: 2902: 2899: 2896: 2895: 2892: 2889: 2887: 2884: 2882: 2879: 2877: 2874: 2872: 2869: 2866: 2865: 2863: 2858: 2852: 2849: 2845: 2839: 2835: 2831: 2828: 2825: 2818: 2813: 2811: 2806: 2804: 2799: 2798: 2795: 2783: 2780: 2779: 2777: 2773: 2763: 2760: 2759: 2757: 2755: 2750: 2744: 2741: 2740: 2738: 2736: 2731: 2725: 2722: 2721: 2719: 2717: 2716:sphingomyelin 2712: 2706: 2703: 2702: 2700: 2698: 2693: 2687: 2684: 2682: 2679: 2677: 2674: 2672: 2669: 2668: 2666: 2664: 2659: 2656: 2652: 2648: 2642: 2639: 2635: 2632: 2630: 2627: 2626: 2625: 2622: 2621: 2619: 2617: 2613: 2609: 2605: 2601: 2600:sphingolipids 2597: 2593: 2589: 2582: 2577: 2575: 2570: 2568: 2563: 2562: 2559: 2552: 2548: 2545: 2544: 2539: 2538: 2537: 2531: 2527: 2503: 2499: 2494: 2489: 2485: 2481: 2477: 2470: 2462: 2458: 2453: 2448: 2443: 2438: 2434: 2430: 2426: 2419: 2411: 2398: 2379: 2372: 2366: 2350: 2346: 2340: 2332: 2328: 2323: 2318: 2314: 2310: 2305: 2300: 2296: 2292: 2288: 2281: 2273: 2269: 2265: 2261: 2257: 2253: 2249: 2245: 2241: 2234: 2232: 2223: 2219: 2214: 2209: 2205: 2201: 2198:(3): 118–25. 2197: 2193: 2192:Mitochondrion 2189: 2182: 2174: 2170: 2166: 2162: 2158: 2154: 2151:(5): 773–80. 2150: 2146: 2139: 2131: 2127: 2122: 2117: 2112: 2107: 2103: 2099: 2098:J. Biol. Chem 2095: 2088: 2080: 2076: 2072: 2068: 2064: 2060: 2059:Life Sciences 2053: 2045: 2041: 2037: 2033: 2029: 2025: 2018: 2002: 1998: 1994: 1988: 1973: 1969: 1965: 1961: 1954: 1946: 1942: 1937: 1932: 1928: 1924: 1920: 1916: 1915: 1910: 1903: 1901: 1899: 1897: 1888: 1884: 1880: 1876: 1872: 1868: 1864: 1860: 1853: 1845: 1841: 1836: 1831: 1827: 1823: 1819: 1815: 1814: 1809: 1802: 1794: 1790: 1785: 1780: 1776: 1772: 1768: 1764: 1760: 1752: 1744: 1740: 1736: 1732: 1729:(2): 147–51. 1728: 1724: 1717: 1709: 1705: 1700: 1695: 1691: 1687: 1686: 1681: 1674: 1672: 1663: 1661:9780824758158 1657: 1653: 1646: 1638: 1634: 1630: 1626: 1622: 1618: 1617: 1608: 1606: 1597: 1593: 1589: 1585: 1581: 1577: 1573: 1569: 1562: 1554: 1550: 1545: 1540: 1536: 1532: 1528: 1524: 1520: 1512: 1510: 1508: 1506: 1497: 1493: 1488: 1483: 1479: 1475: 1471: 1467: 1463: 1456: 1448: 1444: 1440: 1436: 1431: 1426: 1422: 1418: 1414: 1407: 1399: 1395: 1390: 1385: 1381: 1377: 1376:J. Biol. Chem 1373: 1366: 1358: 1354: 1349: 1344: 1340: 1336: 1332: 1328: 1324: 1317: 1309: 1305: 1301: 1297: 1293: 1289: 1288: 1280: 1272: 1268: 1263: 1258: 1254: 1250: 1246: 1242: 1241: 1236: 1229: 1221: 1217: 1213: 1209: 1205: 1201: 1200: 1192: 1184: 1180: 1175: 1170: 1165: 1160: 1156: 1152: 1148: 1141: 1133: 1129: 1124: 1119: 1115: 1111: 1107: 1103: 1102: 1097: 1090: 1088: 1079: 1075: 1070: 1065: 1061: 1057: 1053: 1049: 1048: 1043: 1036: 1034: 1032: 1023: 1019: 1014: 1009: 1005: 1001: 997: 993: 992: 987: 980: 978: 976: 974: 965: 961: 956: 951: 947: 943: 939: 932: 924: 920: 916: 912: 908: 904: 897: 889: 885: 880: 875: 871: 867: 863: 859: 855: 848: 840: 836: 832: 828: 824: 820: 816: 812: 805: 803: 794: 790: 785: 780: 776: 772: 769:(2): 525–35. 768: 764: 760: 753: 751: 749: 740: 736: 731: 726: 722: 718: 714: 710: 706: 702: 698: 691: 687: 680: 678: 677: 672: 668: 658: 656: 646: 644: 634: 632: 631:sphingomyelin 628: 624: 620: 610: 607: 605: 601: 597: 592: 581: 578: 576: 573: 571: 567: 564: 562: 559: 557: 554: 552: 549: 547: 544: 542: 539: 537: 534: 531: 528: 526: 523: 521: 518: 516: 513: 511: 508: 505: 503: 500: 499: 492: 490: 486: 482: 478: 474: 470: 460: 457: 453: 449: 445: 440: 432: 428: 424: 421: 417: 413: 403: 401: 397: 393: 389: 385: 381: 371: 369: 365: 361: 357: 353: 349: 345: 341: 337: 332: 330: 326: 322: 318: 317:saturated fat 314: 310: 306: 301: 299: 295: 291: 287: 283: 279: 275: 260: 258: 254: 250: 246: 236: 234: 230: 229:sphingomyelin 226: 225:sphingolipids 222: 218: 214: 210: 206: 202: 198: 194: 184: 182: 178: 173: 170:found in the 169: 168:phospholipids 165: 161: 160:sphingomyelin 157: 148: 146: 142: 138: 137: 126: 124: 120: 119: 114: 110: 106: 101: 99: 95: 91: 90:proliferation 87: 83: 79: 78:sphingolipids 75: 74:lipid bilayer 71: 70:sphingomyelin 67: 63: 62:cell membrane 59: 56:joined by an 55: 51: 47: 44: 40: 34: 33:sphingolipids 29: 21: 3301: 3300: 3284: 3256: 3249: 3246: 3123: 3089:Antagonists: 3088: 2943: 2898:Antagonists: 2897: 2871:1-Oleoyl-LPA 2867: 2761: 2615: 2534: 2533: 2532:profile for 2529: 2483: 2480:Microbiology 2479: 2469: 2432: 2428: 2418: 2397:cite journal 2385:. 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Med 604:lipid rafts 561:Sphingosine 551:Niacinamide 420:cholesterol 338:receptors. 313:hepatocytes 145:reacylation 141:sphingosine 50:sphingosine 3319:Categories 3181:Ceramidase 3147:inhibitors 3012:Mocravimod 2997:Fingolimod 2947:Amiselimod 2881:GRI-977143 2830:modulators 2387:August 26, 2355:29 January 1978:2022-01-02 683:References 676:Drosophila 568:and other 515:Fas ligand 502:Anandamide 278:senescence 227:, such as 156:Hydrolysis 66:eukaryotic 58:amide bond 54:fatty acid 3330:Ceramides 3302:See also: 3189:Ceranib 1 3127:Etrasimod 3124:Unsorted: 3112:VPC-23019 3097:CYM-50358 3067:TC-G 1006 3052:Siponimod 3027:Ponesimod 3022:Phyto-S1P 2987:CYM-50308 2982:CYM-50260 2952:Cenerimod 2944:Agonists: 2921:VPC-32183 2916:TC-LPA5 4 2868:Agonists: 2827:signaling 2735:sulfatide 2697:globoside 2547:Ceramides 2313:1750-1172 2297:(1): 27. 2264:1388-1981 2145:Apoptosis 1970:(8): 89. 1294:: 88–94. 1287:Biochimie 721:2212-4926 598:enhances 575:TNF-alpha 520:Endotoxin 456:psoriasis 448:psoriasis 446:disorder 416:epidermis 392:TNF-alpha 380:Apoptosis 374:Apoptosis 274:apoptosis 268:Pathology 245:lysosomes 193:palmitate 181:apoptosis 177:radiation 103:The word 96:(PCD) of 82:signaling 39:Ceramides 3285:Ceramide 3222:Safingol 3171:Myriocin 3107:TY-52156 3072:TC-SP 14 3047:SEW-2871 3042:RPC-1063 3017:Ozanimod 2977:CYM 5541 2972:CYM-5520 2967:CYM-5442 2911:Ki-16425 2838:Receptor 2762:Ceramide 2616:Ceramide 2536:Ceramide 2502:12904547 2461:21490804 2378:Archived 2349:Archived 2331:31969167 2272:31376476 2222:16713754 2173:12633095 2165:16532372 2130:12006562 2079:15958274 2044:10717183 2001:Archived 1972:Archived 1945:17963772 1887:27123917 1879:24698032 1844:19435851 1793:35900871 1708:17872588 1637:20457485 1588:19184160 1553:35900871 1496:17161984 1447:85367540 1439:11513845 1398:15849201 1308:23933096 1271:24606881 1220:15967715 1183:24214972 1132:21490391 1078:36594091 1022:34750017 964:17878382 923:17588815 888:18191382 831:18216770 739:30193828 707:: 3–18. 469:myriocin 463:Hormonal 290:diabetes 105:ceramide 3217:N,N-DMS 3102:JTE-013 3092:CS-0777 3082:XAX-162 3007:KRP-203 2962:CS-2100 2844:ligands 2654:pathway 2526:Scholia 2452:3066853 2322:6977288 2213:2246045 2121:2246046 2007:12 July 1936:2924671 1835:2711669 1784:9462509 1743:8357845 1596:4005575 1544:9462509 1487:1766198 1357:9664074 1262:4005977 1174:3887200 1123:3083776 1069:9760443 1013:8595778 879:2422835 839:8692993 793:8046331 784:2191598 730:6251742 390:light, 294:obesity 187:De novo 179:causes 136:de novo 3325:Lipids 3265:Serine 3240:Others 3227:SKI II 3141:Enzyme 3037:RP-002 3032:RP-001 2606:, and 2594:, and 2592:lipids 2553:(MeSH) 2528:has a 2500:  2459:  2449:  2329:  2319:  2311:  2270:  2262:  2220:  2210:  2171:  2163:  2128:  2118:  2077:  2042:  1943:  1933:  1885:  1877:  1842:  1832:  1791:  1781:  1769:(16). 1741:  1706:  1658:  1635:  1594:  1586:  1568:Lipids 1551:  1541:  1529:(16). 1494:  1484:  1445:  1437:  1396:  1355:  1348:508891 1345:  1306:  1269:  1259:  1218:  1181:  1171:  1130:  1120:  1076:  1066:  1020:  1010:  962:  921:  886:  876:  837:  829:  791:  781:  737:  727:  719:  643:eczema 481:SOCS-3 473:leptin 394:, and 296:, and 282:cancer 197:serine 115:) and 92:, and 52:and a 3117:W-146 3077:W-061 2775:Other 2733:From 2714:From 2695:From 2661:From 2381:(PDF) 2374:(PDF) 2169:S2CID 1883:S2CID 1592:S2CID 1443:S2CID 835:S2CID 623:ACSF3 118:amide 98:cells 46:lipid 3257:S1P: 3250:LPA: 3205:SphK 2932:S1PR 2891:OMPT 2856:LPAR 2602:and 2498:PMID 2457:PMID 2433:2011 2410:help 2389:2015 2357:2015 2327:PMID 2309:ISSN 2268:PMID 2260:ISSN 2248:1864 2218:PMID 2161:PMID 2126:PMID 2075:PMID 2040:PMID 2009:2021 1941:PMID 1875:PMID 1840:PMID 1789:PMID 1739:PMID 1727:1182 1704:PMID 1656:ISBN 1633:PMID 1584:PMID 1549:PMID 1492:PMID 1470:1758 1435:PMID 1394:PMID 1353:PMID 1304:PMID 1267:PMID 1216:PMID 1204:1735 1179:PMID 1128:PMID 1074:PMID 1018:PMID 960:PMID 919:PMID 884:PMID 827:PMID 789:PMID 735:PMID 717:ISSN 637:Uses 529:Heat 454:and 410:The 406:Skin 336:TLR4 195:and 109:cera 43:waxy 3253:LPC 3194:OEA 3159:SPT 3062:SPC 3057:S1P 2886:LPA 2752:To 2686:GD2 2681:GM3 2676:GM2 2671:GM1 2488:doi 2484:149 2447:PMC 2437:doi 2317:PMC 2299:doi 2252:doi 2208:PMC 2200:doi 2153:doi 2116:PMC 2106:doi 2102:277 2067:doi 2032:doi 1931:PMC 1923:doi 1919:196 1867:doi 1830:PMC 1822:doi 1818:297 1779:PMC 1771:doi 1731:doi 1694:doi 1625:doi 1621:150 1576:doi 1539:PMC 1531:doi 1482:PMC 1474:doi 1425:doi 1421:503 1384:doi 1380:280 1343:PMC 1335:doi 1331:102 1296:doi 1292:100 1257:PMC 1249:doi 1245:184 1208:doi 1169:PMC 1159:doi 1155:289 1118:PMC 1110:doi 1106:121 1064:PMC 1056:doi 1008:PMC 1000:doi 950:doi 946:179 911:doi 874:PMC 866:doi 819:doi 779:PMC 771:doi 767:180 725:PMC 709:doi 489:JNK 158:of 113:wax 64:of 3321:: 3255:; 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Index



sphingolipids
waxy
lipid
sphingosine
fatty acid
amide bond
cell membrane
eukaryotic
sphingomyelin
lipid bilayer
sphingolipids
signaling
differentiation
proliferation
programmed cell death
cells
wax
amide
vernix caseosa
de novo
sphingosine
reacylation
Hydrolysis
sphingomyelin
sphingomyelinase
phospholipids
plasma membrane
radiation

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