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Bloom syndrome

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238:. In the 281 persons followed by the Bloom Syndrome Registry, 145 persons (51.6%) have been diagnosed with a malignant neoplasm, and there have been 227 malignancies. The types of cancer and the anatomic sites at which they develop resemble the cancers that affect persons in the general population. The age of diagnosis for these cancers is earlier than for the same cancer in normal persons, and many persons with Bloom syndrome have been diagnosed with multiple cancers. The average life span is approximately 27 years. The most common cause of death in Bloom syndrome is from cancer. Other complications of the disorder include 307:. As in other autosomal recessive conditions, the parents of an individual with Bloom syndrome do not necessarily exhibit any features of the syndrome. The mutations in BLM associated with Bloom syndrome are nulls and missense mutations that are catalytically inactive. The cells from persons with Bloom syndrome exhibit a striking genomic instability that is characterized by hyper-recombination and hyper-mutation. Human BLM cells are sensitive to DNA damaging agents such as UV and methyl methanesulfonate, indicating deficient repair capability. At the level of the chromosomes, the rate of 296: 454:(the two DNA molecules that are produced by the DNA replication process); and there are increases in chromosome breakage and rearrangements compared to persons who do not have Bloom's syndrome. Direct connections between the molecular processes in which BLM operates and the chromosomes themselves are under investigation. The relationships between molecular defects in Bloom syndrome cells, the chromosome mutations that accumulate in somatic cells (the cells of the body), and the many clinical features seen in Bloom syndrome are also areas of intense research. 56: 149:, that is characterized by dilated blood vessels at the skin's surface. The rash commonly also affects the backs of the hands and neck, and it can develop on any other sun-exposed areas of the skin. The rash is variably expressed, being present in a majority but not all persons with Bloom syndrome, and it is on average less severe in females than in males. Moreover, the sun sensitivity can resolve in adulthood. There are other dermatologic changes, including 458: 32: 523:
The Bloom's Syndrome Registry lists 283 individuals reported to have this rare disorder (as of 2020), collected from the time it was first recognized in 1954. The registry was developed as a surveillance mechanism to observe the effects of cancer in the patients, which has shown 122 individuals have
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in affected individuals. The cancer predisposition is characterized by 1) broad spectrum, including leukemias, lymphomas, and carcinomas, 2) early age of onset relative to the same cancer in the general population, and 3) multiplicity, that is, synchronous or metachronous cancers. There is at least
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The BLM helicase is a member of a protein complex with topoisomerase III alpha, RMI1 and RMI2, also known as BTRR, Bloom Syndrome complex or the dissolvasome. Disruption of the proper assembly of the Bloom Syndrome complex leads to genome stability, genetic dependence on cellular nucleases GEN1 and
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at nucleoli DNA helicases are enzymes that attach to DNA and temporarily unravel the double helix of the DNA molecule. DNA helicases function in DNA replication and DNA repair. BLM very likely functions in DNA replication, as cells from persons with Bloom syndrome exhibit multiple defects in DNA
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in Bloom's syndrome is approximately 10 fold higher than normal and quadriradial figures, which are the cytologic manifestations of crossing-over between homologous chromosome, are highly elevated. Other chromosome manifestations include chromatid breaks and gaps, telomere associations, and
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is important in maintaining the stability of the DNA during the replication process. Lack of BLM protein or protein activity leads to an increase in mutations; however, the molecular mechanism(s) by which BLM maintains stability of the chromosomes is still a very active area of research.
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and middle ear infections in persons with the syndrome. Infants can exhibit frequent gastrointestinal upsets, with reflux, vomiting, and diarrhea, and there is a remarkable lack in interest in food. There are endocrine disturbances, particularly abnormalities of
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The most prominent feature of Bloom syndrome is proportional small size. The small size is apparent in utero. At birth, neonates exhibit rostral to caudal lengths, head circumferences, and birth weights that are typically below the third percentile.
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Bloom syndrome is an extremely rare disorder in most populations and the frequency of the disease has not been measured in most populations. However, the disorder is relatively more common amongst people of Central and Eastern European
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The second most commonly noted feature is a rash on the face that develops early in life as a result of sun exposure. The facial rash appears most prominently on the cheeks, nose, and around the lips. It is described as
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one person with Bloom syndrome who had five independent primary cancers. Persons with Bloom syndrome may develop cancer at any age. The average age of cancer diagnoses in the cohort is approximately 26 years old.
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Hodson, Charlotte; Low, Jason K. K.; van Twest, Sylvie; Jones, Samuel E.; Swuec, Paolo; Murphy, Vincent; Tsukada, Kaima; Fawkes, Matthew; Bythell-Douglas, Rohan; Davies, Adelina; Holien, Jessica K. (2022-02-08).
2709: 1843: 1828: 361: 114:, respectively. More broadly, Bloom syndrome is a member of a class of clinical entities that are characterized by chromosomal instability, genomic instability, or both and by cancer predisposition. 272:. The features of BSLD include small size and dermatologic findings, such as cafe-au-lait spots, and the presence of the once pathognomonic elevated SCEs is reported for persons with mutations in 3059: 1779:
Adam, M. P.; Mirzaa, G. M.; Pagon, R. A.; Wallace, S. E.; Bean LJH; Gripp, K. W.; Amemiya, A. (1993). Margaret P Adam; Holly H Ardinger; Roberta A Pagon; Stephanie E Wallace; et al. (eds.).
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Bloom syndrome is diagnosed using any of three tests - the presence of quadriradial (Qr, a four-armed chromatid interchange) in cultured blood lymphocytes, and/or the elevated levels of
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There is a closely related entity that is now referred to as Bloom-syndrome-like disorder (BSLD) which is caused by mutations in components of the same protein complex to which the
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When a cell prepares to divide to form two cells, the chromosomes are duplicated so that each new cell will get a complete set of chromosomes. The duplication process is called
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Ben Salah, G; et al. (Nov 2014). "A novel frameshift mutation in BLM gene associated with high sister chromatid exchanges (SCE) in heterozygous family members".
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Cells from a person with Bloom syndrome exhibit a striking genomic instability that includes excessive crossovers between homologous chromosomes and
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MUS81, and loss of normal cell growth. Bloom-like phenotypes have been associated with mutations in topoisomerase III alpha, RMI1 and RMI2 genes.
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Li L, Eng C, Desnick B, German J, Ellis NA (1998). "Carrier frequency of the Bloom syndrome blmAsh mutation in the Ashkenazi Jewish population".
216:. Persons with Bloom syndrome exhibit a paucity of subcutaneous fat. There is reduced fertility, characterized by a failure in males to produce 2640: 2135: 366: 3317: 2942: 2636: 3545: 732:
Diaz, A; et al. (Jun 9, 2006). "Evaluation of short stature, carbohydrate metabolism and other endocrinopathies in Bloom's syndrome".
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As noted above, there is greatly elevated rate of mutation in Bloom syndrome and the genomic instability is associated with a high risk of
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Although some persons with Bloom syndrome can struggle in school with subjects that require abstract thought, there is no evidence that
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German, James; Bloom, David; Passarge, Eberhard (23 April 2008). "Bloom's syndrome. V. Surveillance for cancer in affected families".
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Kristian Moss Bendtsen; Martin Borch Jensen; Alfred May; Lene Juel Rasmussen; Ala Trusina; Vilhelm A. Bohr; Mogens H. Jensen (2014).
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Bloom syndrome is an autosomal recessive disorder, caused by mutations in the maternally- and paternally-derived copies of the gene
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Bloom D (1954). "Congenital telangiectatic erythema resembling lupus erythematosus in dwarfs; probably a syndrome entity".
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been diagnosed with cancer. It also acts as a report to show current findings and data on all aspects of the disorder.
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There is a characteristic facial appearance that includes a long, narrow face; prominent nose, cheeks, and ears; and
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Crystal structure of the Bloom's syndrome helicase BLM, gray, in complex with DNA, shown in color (PDB ID: 4CGZ).
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There are a variety of other features that are commonly associated with Bloom syndrome. There is a moderate
121:(SCEs). The condition was discovered and first described by New York dermatologist Dr. David Bloom in 1954. 3555: 3303: 2365: 2057: 1595: 498:. Efforts to minimize exposure to other known environmental mutagens are also advisable in multiple forms. 475: 183:, characterized by deficiency in certain immunoglobulin classes and a generalized proliferative defect of 3068: 2982: 2699: 2359: 1931: 1041:
Ellis NA, Groden J, Ye TZ, Straughen J, Ciocci S, Lennon DJ, Proytcheva M, Alhadeff B, German J (1995).
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There are a variety of excellent sources for more detailed clinical information about Bloom syndrome.
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possibly because there is overlap in the function of the proteins mutated in this related disorder.
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are affected by Bloom syndrome, who account for about one-third of affected individuals worldwide.
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Flanagan M, Cunniff CM (February 14, 2019) . Adam MP, Ardinger HH, Pagon RA, et al. (eds.).
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fragmented chromosomes. The hyper-recombination can also be detected by molecular assays The
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Keller, C; et al. (Apr 1999). "Growth deficiency and malnutrition in Bloom syndrome".
259: 1987: 8: 3437: 3389: 3326: 3263: 3185: 3067: 2675: 2554: 2104: 2062: 2045: 2035: 2018: 1988: 1847: 1652: 601: 1390: 1232: 840:"Bloom's Syndrome: Clinical Spectrum, Molecular Pathogenesis, and Cancer Predisposition" 2937: 2453: 2150: 2096: 2076: 2027: 1852: 1727: 1715: 1577: 1466: 1441: 1417: 1374: 1349: 1324: 1300: 1275: 1217:"Evidence for increased in vivo mutation and somatic recombination in Bloom's syndrome" 1121: 1072: 977: 952: 928: 901: 874: 839: 800: 757: 714: 201: 1502: 1251: 1216: 1193: 661: 3477: 3472: 3379: 3150: 2962: 2922: 2844: 2719: 2663: 2597: 2262: 1880: 1794: 1786: 1753: 1719: 1634: 1581: 1569: 1561: 1506: 1471: 1422: 1404: 1354: 1305: 1256: 1197: 1162: 1113: 1064: 1059: 1042: 1023: 982: 933: 879: 861: 792: 749: 706: 701: 684: 665: 628: 605: 451: 180: 154: 44: 1731: 1125: 1076: 804: 761: 718: 295: 2849: 2484: 2295: 2267: 1711: 1676: 1626: 1551: 1498: 1461: 1453: 1412: 1394: 1344: 1336: 1295: 1287: 1246: 1236: 1189: 1152: 1103: 1054: 1013: 1002:"FANCM connects the genome instability disorders Bloom syndrome and Fanconi Anemia" 972: 964: 923: 913: 869: 851: 784: 741: 696: 657: 597: 495: 490:
Bloom syndrome has no specific treatment; however, avoiding sun exposure and using
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Persons with Bloom syndrome have an enormous increase in exchange events between
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Keratosis linearis with ichthyosis congenita and sclerosing keratoderma syndrome
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Proceedings of the National Academy of Sciences of the United States of America
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replication, and they are sensitive to agents that obstruct DNA replication.
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Bloom syndrome metaphase cells exhibit frequent sister chromatid exchanges.
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family. Mutations in genes encoding other members of this family, namely
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Cunniff, Christopher; Bassetti, Jennifer A.; Ellis, Nathan A. (2017).
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Template:Congenital malformations and deformations of skin appendages
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characterized by short stature, predisposition to the development of
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German J (Jan 1997). "Bloom's syndrome. XX. The first 100 cancers".
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in cells of any type, and/or the mutation in the BLM gene. The US
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Bloom syndrome has an autosomal recessive pattern of inheritance.
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The most serious and frequent complication of Bloom syndrome is
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Focal palmoplantar keratoderma with oral mucosal hyperkeratosis
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can help prevent some of the cutaneous changes associated with
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Bloom syndrome has also appeared in the older literature as
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gene encodes a member of the protein family referred to as
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or undersized jaw. The voice is high-pitched and squeaky.
161:, which can appear on the face and on the ocular surface. 1442:"Mutations in TOP3A Cause a Bloom Syndrome-like Disorder" 953:"Mutations in TOP3A Cause a Bloom Syndrome-like Disorder" 2933:
Congenital hypertrophy of the lateral fold of the hallux
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Langlois RG, Bigbee WL, Jensen RH, German J (Jan 1989).
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Template:DNA replication and repair-deficiency disorder
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Bythell-Douglas, Rohan; Deans, Andrew J. (2021-02-04).
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is more common in Bloom syndrome than in other people.
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James, William; Berger, Timothy; Elston, Dirk (2005).
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German J, Ciocci S, Ye TZ, Sanz MM, Ellis NA (2007).
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Andrews' Diseases of the Skin: Clinical Dermatology
416: 1616: 1540:"A Structural Guide to the Bloom Syndrome Complex" 1089: 400: 355: 2417:Diffuse nonepidermolytic palmoplantar keratoderma 1517: 320:. The diffusion of BLM has been measured to 1.34 3512: 2141:Nonbullous congenital ichthyosiform erythroderma 3551:DNA replication and repair-deficiency disorders 2606:Palmoplantar keratoderma and spastic paraplegia 1743: 1677:"Data from the Bloom's Syndrome Registry, 2009" 1440:Martin, Carol-Anne; et al. (August 2018). 822: 3501:DNA replication and repair-deficiency disorder 2412:Diffuse epidermolytic palmoplantar keratoderma 1325:"The Dissolution of Double Holliday Junctions" 3311: 3053: 2943:Congenital malformations of the dermatoglyphs 1973: 1323:Bizard, A. H.; Hickson, I. D. (1 July 2014). 1322: 1267: 895: 893: 511:Jewish background. Approximately 1 in 48,000 1139:So S, Adachi N, Lieber MR, Koyama H (2004). 1132: 993: 518: 106:, are associated with the clinical entities 1525:"Bloom Syndrome Registry | Pediatrics" 3488:Marfanoid–progeroid–lipodystrophy syndrome 3318: 3304: 3060: 3046: 2968:Melanotic neuroectodermal tumor of infancy 2705:Keratosis follicularis spinulosa decalvans 2136:Ichthyosis–sclerosing cholangitis syndrome 1980: 1966: 1785:. Seattle (WA): University of Washington. 1752:. Seattle (WA): University of Washington. 1588: 1329:Cold Spring Harbor Perspectives in Biology 890: 54: 30: 3194:Hereditary nonpolyposis colorectal cancer 2928:Congenital cartilaginous rest of the neck 2523:Focal palmoplantar and gingival keratosis 1555: 1465: 1416: 1398: 1348: 1299: 1250: 1240: 1180:German J (Jan 1995). "Bloom's syndrome". 1156: 1107: 1058: 1017: 999: 976: 927: 917: 873: 855: 774: 700: 283:Bloom syndrome shares some features with 2993:Rapidly involuting congenital hemangioma 2583:Keratosis punctata of the palmar creases 2578:Keratosis punctata palmaris et plantaris 2449:Clouston's hidrotic ectodermal dysplasia 1488: 1179: 627:(10th ed.). Saunders. p. 575. 590:American Journal of Diseases of Children 456: 294: 170: 3325: 587: 90:gene which is a member of the RecQ DNA 3513: 1446:The American Journal of Human Genetics 950: 682: 647: 616: 3299: 3041: 2054:Congenital ichthyosiform erythroderma 1961: 3412:Hutchinson–Gilford progeria syndrome 2715:Keratosis pilaris atrophicans faciei 2300:Dermatopathia pigmentosa reticularis 1683:. Weill Cornell Medical Center. 2009 833: 831: 731: 683:German, James M.D. (November 1993). 602:10.1001/archpedi.1954.02050100756008 3546:IUIS-PID table 3 immunodeficiencies 1598:. U.S. Food and Drug Administration 1000:Deans AJ, West SC (December 2009). 573:Online Mendelian Inheritance in Man 13: 3008:Superficial lymphatic malformation 2953:Congenital smooth muscle hamartoma 2422:Palmoplantar keratoderma of Sybert 1991:malformations and deformations of 1772: 1716:10.1111/j.1399-0004.1977.tb00919.x 429: 390: 379: 346: 335: 14: 3582: 2480:Scleroatrophic syndrome of Huriez 2310:Hypohidrotic ectodermal dysplasia 1806: 828: 175:An individual with Bloom syndrome 3571:Diseases named after discoverers 3521:Chromosome instability syndromes 3281:Severe combined immunodeficiency 2593:Porokeratosis plantaris discreta 2550:Striate palmoplantar keratoderma 702:10.1097/00005792-199311000-00003 417:Relationship to cancer and aging 252:gene product belongs, including 240:chronic obstructive lung disease 145:, that is red and inflamed, and 3204:Mismatch repair cancer syndrome 3018:Verrucous vascular malformation 2948:Congenital preauricular fistula 2918:Accessory nail of the fifth toe 2795:Template:Pigmentation disorders 2588:Schöpf–Schulz–Passarge syndrome 2568:Acrokeratoelastoidosis of Costa 2273:Laryngoonychocutaneous syndrome 2146:Ichthyosis linearis circumflexa 2131:Ichthyosis prematurity syndrome 1695: 1669: 1645: 1610: 1531: 1482: 1433: 1365: 1316: 1208: 1173: 1083: 1034: 951:Martin CA, et al. (2018). 944: 501: 131: 3077:DNA repair-deficiency disorder 2632:Erythrokeratodermia variabilis 2543:Pachyonychia congenita type II 768: 725: 676: 641: 581: 566: 1: 3531:Autosomal recessive disorders 2958:Cystic lymphatic malformation 2911:Cavernous venous malformation 2538:Pachyonychia congenita type I 2461:Corneodermatoosseous syndrome 2121:Ichthyosis bullosa of Siemens 1681:Weill Cornell Medical College 1503:10.1016/s0165-4608(96)00336-6 1194:10.1016/S0733-8635(18)30101-3 823:Flanagan & Cunniff (2019) 662:10.1016/s0022-3476(99)70206-4 559: 126:Bloom–Torre–Machacek syndrome 3448:DeSanctis–Cacchione syndrome 3155:DeSanctis–Cacchione syndrome 3101:Aicardi–Goutières syndrome 4 2366:Popliteal pterygium syndrome 2058:Epidermolytic hyperkeratosis 1060:10.1016/0092-8674(95)90105-1 1019:10.1016/j.molcel.2009.12.006 919:10.1371/journal.pgen.1006483 577:Bloom Syndrome; BLM - 210900 485: 476:Food and Drug Administration 465: 7: 3566:Syndromes affecting stature 2998:Rosenthal–Kloepfer syndrome 2983:Omphalomesenteric duct cyst 2700:Keratolytic winter erythema 2360:Gerodermia osteodysplastica 1341:10.1101/cshperspect.a016477 1280:European Biophysics Journal 527: 290: 153:and hyper-pigmented areas, 10: 3587: 3453:Nijmegen breakage syndrome 3227:Nijmegen breakage syndrome 3143:Nucleotide excision repair 2573:Focal acral hyperkeratosis 2320:Ellis–van Creveld syndrome 1458:10.1016/j.ajhg.2018.07.001 969:10.1016/j.ajhg.2018.07.001 119:sister chromatid exchanges 3496: 3425: 3402: 3370: 3362:Rothmund–Thomson syndrome 3342: 3333: 3260:Rothmund–Thomson syndrome 3235: 3212: 3180: 3141: 3132: 3083: 2888: 2858: 2822: 2813: 2732: 2651: 2497:Papillon–Lefèvre syndrome 2398: 2384: 2337: 2286: 2163: 2113: 2095: 2068:Harlequin-type ichthyosis 2044: 2026: 2003: 1895: 1814: 1557:10.1016/j.str.2020.11.020 1292:10.1007/s00249-014-0981-x 789:10.1007/s11033-014-3624-5 534:Accelerated aging disease 519:Bloom's Syndrome Registry 472:sister chromatid exchange 363:in nucleoplasm and 0.13 309:sister chromatid exchange 262:, topoisomerase 3 alpha, 112:Rothmund–Thomson syndrome 72:in literature) is a rare 43: 38: 29: 24: 2371:Pseudoxanthoma elasticum 2087:Sjögren–Larsson syndrome 1221:Proc Natl Acad Sci U S A 3426:Other/related disorders 3092:Separation/initiation: 2896:Aplasia cutis congenita 2315:Focal dermal hypoplasia 2278:Skin fragility syndrome 2126:Ichthyosis follicularis 1954:Genetics Home Reference 1400:10.1073/pnas.2109093119 229:intellectual disability 198:carbohydrate metabolism 3463:Dyskeratosis congenita 3443:Baller–Gerold syndrome 3417:Restrictive dermopathy 3372:NER protein-associated 3122:Dyskeratosis congenita 3013:Thyroglossal duct cyst 2978:Nasolacrimal duct cyst 2901:Amniotic band syndrome 2695:Dyskeratosis congenita 2683:Dyskeratosis congenita 2533:Pachyonychia congenita 2444:Bart–Pumphrey syndrome 2376:Van der Woude syndrome 2351:Ehlers–Danlos syndrome 1631:10.1006/mgme.1998.2733 1491:Cancer Genet Cytogenet 1158:10.1074/jbc.M409827200 844:Molecular Syndromology 462: 448:homologous chromosomes 402: 357: 300: 204:and susceptibility to 176: 68:(often abbreviated as 3561:Syndromes with tumors 3541:Ashkenazi Jews topics 3468:Ataxia telangiectasia 3385:Xeroderma pigmentosum 3222:Ataxia–telangiectasia 3165:Xeroderma pigmentosum 2878:Nevus flammeus nuchae 2789:Template:Phakomatoses 2761:Hereditary lymphedema 2325:Rapp–Hodgkin syndrome 2014:Congenital ichthyosis 1242:10.1073/pnas.86.2.670 539:Bloom syndrome (gene) 460: 403: 358: 298: 242:and type 2 diabetes. 174: 3433:Li–Fraumeni syndrome 3276:Li–Fraumeni syndrome 2868:Capillary hemangioma 2770:Urticaria pigmentosa 2528:Howel–Evans syndrome 2288:Ectodermal dysplasia 2229:Generalized atrophic 367: 324: 260:type I topoisomerase 258:, which encodes the 3556:Progeroid syndromes 3438:Rapadilino syndrome 3390:Trichothiodystrophy 3327:Progeroid syndromes 3264:RAPADILINO syndrome 3199:Muir–Torre syndrome 3186:DNA mismatch repair 2555:Tyrosinemia type II 2105:X-linked ichthyosis 2063:Lamellar ichthyosis 2036:Ichthyosis vulgaris 2019:erythrokeratodermia 1391:2022PNAS..11909093H 1233:1989PNAS...86..670L 2938:Congenital lip pit 2502:Haim–Munk syndrome 2454:Vohwinkel syndrome 2329:Hay–Wells syndrome 2305:Hay–Wells syndrome 2151:Ichthyosis hystrix 2077:Netherton syndrome 1896:External resources 1385:(6): e2109093119. 1109:10.1002/humu.20501 463: 398: 397: 395: 353: 351: 301: 212:, and compensated 202:insulin resistance 177: 155:cafe-au-lait spots 3508: 3507: 3478:PIBI(D)S syndrome 3473:De Barsy syndrome 3398: 3397: 3380:Cockayne syndrome 3293: 3292: 3289: 3288: 3151:Cockayne syndrome 3069:Metabolic disease 3035: 3034: 3031: 3030: 2963:Median raphe cyst 2923:Bronchogenic cyst 2845:PHACE association 2809: 2808: 2728: 2727: 2720:Keratosis pilaris 2664:Keratosis pilaris 2618:Carvajal syndrome 2598:Spiny keratoderma 2263:Costello syndrome 2159: 2158: 1941: 1940: 1704:Clinical Genetics 1286:(10–11): 509–16. 857:10.1159/000452082 783:(11): 7373–7380. 746:10.1159/000093826 634:978-0-7216-2921-6 496:photo-sensitivity 452:sister chromatids 394: 350: 181:immune deficiency 63: 62: 19:Medical condition 3578: 3340: 3339: 3320: 3313: 3306: 3297: 3296: 3139: 3138: 3062: 3055: 3048: 3039: 3038: 2850:Sinus pericranii 2820: 2819: 2676:Darier's disease 2485:Olmsted syndrome 2396: 2395: 2296:Naegeli syndrome 2268:Kindler syndrome 2024: 2023: 2010: 2009: 1982: 1975: 1968: 1959: 1958: 1921:Bloom's Syndrome 1812: 1811: 1802: 1768: 1766: 1764: 1746:"Bloom syndrome" 1736: 1735: 1699: 1693: 1692: 1690: 1688: 1673: 1667: 1666: 1664: 1663: 1657:rarediseases.org 1649: 1643: 1642: 1614: 1608: 1607: 1605: 1603: 1592: 1586: 1585: 1559: 1535: 1529: 1528: 1521: 1515: 1514: 1486: 1480: 1479: 1469: 1437: 1431: 1430: 1420: 1402: 1369: 1363: 1362: 1352: 1320: 1314: 1313: 1303: 1271: 1265: 1264: 1254: 1244: 1212: 1206: 1205: 1177: 1171: 1170: 1160: 1151:(53): 55433–42. 1136: 1130: 1129: 1111: 1087: 1081: 1080: 1062: 1038: 1032: 1031: 1021: 997: 991: 990: 980: 948: 942: 941: 931: 921: 912:(12). e1006483. 897: 888: 887: 877: 859: 835: 826: 820: 809: 808: 772: 766: 765: 729: 723: 722: 704: 680: 674: 673: 645: 639: 638: 620: 614: 613: 585: 579: 570: 407: 405: 404: 399: 396: 393: 388: 387: 382: 373: 362: 360: 359: 354: 352: 349: 344: 343: 338: 329: 78:genetic disorder 59: 58: 50:Medical genetics 34: 22: 21: 16:Genetic disorder 3586: 3585: 3581: 3580: 3579: 3577: 3576: 3575: 3511: 3510: 3509: 3504: 3492: 3421: 3394: 3366: 3352:Werner syndrome 3344:RecQ-associated 3329: 3324: 3294: 3285: 3255:Werner syndrome 3231: 3208: 3176: 3128: 3085:DNA replication 3079: 3073:DNA replication 3066: 3036: 3027: 2889:Other/ungrouped 2884: 2873:Port-wine stain 2854: 2815: 2805: 2724: 2647: 2389: 2380: 2333: 2282: 2167: 2155: 2109: 2091: 2040: 2017: 1999: 1986: 1942: 1937: 1936: 1891: 1890: 1823: 1809: 1775: 1773:Further reading 1762: 1760: 1740: 1739: 1700: 1696: 1686: 1684: 1675: 1674: 1670: 1661: 1659: 1651: 1650: 1646: 1619:Mol Genet Metab 1615: 1611: 1601: 1599: 1594: 1593: 1589: 1536: 1532: 1523: 1522: 1518: 1487: 1483: 1438: 1434: 1370: 1366: 1321: 1317: 1272: 1268: 1213: 1209: 1178: 1174: 1137: 1133: 1088: 1084: 1039: 1035: 998: 994: 949: 945: 898: 891: 836: 829: 821: 812: 773: 769: 730: 726: 681: 677: 646: 642: 635: 621: 617: 586: 582: 571: 567: 562: 530: 521: 504: 488: 468: 436:DNA replication 432: 430:Pathophysiology 419: 389: 383: 375: 374: 371: 368: 365: 364: 345: 339: 331: 330: 327: 325: 322: 321: 293: 206:type 2 diabetes 159:telangiectasias 134: 108:Werner syndrome 53: 20: 17: 12: 11: 5: 3584: 3574: 3573: 3568: 3563: 3558: 3553: 3548: 3543: 3538: 3536:Rare syndromes 3533: 3528: 3526:Genodermatoses 3523: 3506: 3505: 3497: 3494: 3493: 3491: 3490: 3485: 3480: 3475: 3470: 3465: 3460: 3458:Fanconi anemia 3455: 3450: 3445: 3440: 3435: 3429: 3427: 3423: 3422: 3420: 3419: 3414: 3408: 3406: 3400: 3399: 3396: 3395: 3393: 3392: 3387: 3382: 3376: 3374: 3368: 3367: 3365: 3364: 3359: 3357:Bloom syndrome 3354: 3348: 3346: 3337: 3331: 3330: 3323: 3322: 3315: 3308: 3300: 3291: 3290: 3287: 3286: 3284: 3283: 3278: 3273: 3271:Fanconi anemia 3268: 3267: 3266: 3257: 3252: 3250:Bloom syndrome 3239: 3237: 3233: 3232: 3230: 3229: 3224: 3218: 3216: 3210: 3209: 3207: 3206: 3201: 3196: 3190: 3188: 3178: 3177: 3175: 3174: 3172:IBIDS syndrome 3169: 3168: 3167: 3157: 3147: 3145: 3136: 3130: 3129: 3127: 3126: 3125: 3124: 3106: 3105: 3104: 3103: 3089: 3087: 3081: 3080: 3065: 3064: 3057: 3050: 3042: 3033: 3032: 3029: 3028: 3026: 3025: 3020: 3015: 3010: 3005: 3000: 2995: 2990: 2988:Poland anomaly 2985: 2980: 2975: 2973:Mongolian spot 2970: 2965: 2960: 2955: 2950: 2945: 2940: 2935: 2930: 2925: 2920: 2914: 2913: 2908: 2906:Branchial cyst 2903: 2898: 2892: 2890: 2886: 2885: 2883: 2882: 2881: 2880: 2870: 2864: 2862: 2856: 2855: 2853: 2852: 2847: 2842: 2837: 2832: 2826: 2824: 2817: 2811: 2810: 2807: 2806: 2780: 2779: 2774: 2773: 2772: 2763: 2751: 2750: 2749: 2736: 2734: 2730: 2729: 2726: 2725: 2723: 2722: 2717: 2712: 2707: 2702: 2697: 2691: 2690: 2688:Lelis syndrome 2685: 2680: 2679: 2678: 2666: 2661: 2659:Meleda disease 2655: 2653: 2649: 2648: 2646: 2645: 2644: 2643: 2634: 2622: 2621: 2620: 2608: 2601: 2600: 2595: 2590: 2585: 2580: 2575: 2570: 2560: 2559: 2558: 2557: 2552: 2547: 2546: 2545: 2540: 2530: 2525: 2520: 2511: 2509:Camisa disease 2506: 2505: 2504: 2499: 2487: 2482: 2477: 2476: 2475: 2473:Naxos syndrome 2463: 2458: 2457: 2456: 2451: 2446: 2430: 2429: 2427:Meleda disease 2424: 2419: 2414: 2404: 2402: 2393: 2386:Hyperkeratosis 2382: 2381: 2379: 2378: 2373: 2368: 2363: 2353: 2347: 2345: 2335: 2334: 2332: 2331: 2322: 2317: 2312: 2307: 2302: 2292: 2290: 2284: 2283: 2281: 2280: 2275: 2270: 2265: 2258: 2257: 2256: 2255: 2250: 2239: 2238: 2237: 2236: 2231: 2226: 2221: 2210: 2209: 2208: 2207: 2202: 2197: 2192: 2187: 2182: 2171: 2169: 2161: 2160: 2157: 2156: 2154: 2153: 2148: 2143: 2138: 2133: 2128: 2123: 2117: 2115: 2111: 2110: 2108: 2107: 2101: 2099: 2093: 2092: 2090: 2089: 2084: 2082:CHIME syndrome 2079: 2073: 2072: 2071: 2070: 2060: 2050: 2048: 2042: 2041: 2039: 2038: 2032: 2030: 2021: 2007: 2005:Genodermatosis 2001: 2000: 1985: 1984: 1977: 1970: 1962: 1956: 1955: 1947:Bloom syndrome 1939: 1938: 1935: 1934: 1923: 1912: 1900: 1899: 1897: 1893: 1892: 1889: 1888: 1877: 1866: 1855: 1840: 1824: 1819: 1818: 1816: 1815:Classification 1808: 1807:External links 1805: 1804: 1803: 1774: 1771: 1770: 1769: 1738: 1737: 1710:(3): 162–168. 1694: 1668: 1644: 1625:(4): 286–290. 1609: 1587: 1530: 1516: 1481: 1452:(2): 221–231. 1432: 1364: 1335:(7): a016477. 1315: 1266: 1207: 1172: 1131: 1102:(8): 743–753. 1096:Human Mutation 1082: 1053:(4): 655–666. 1033: 992: 963:(2): 221–231. 957:Am J Hum Genet 943: 889: 827: 810: 767: 740:(3): 111–117. 724: 695:(6): 393–406. 675: 656:(4): 472–479. 640: 633: 615: 580: 564: 563: 561: 558: 557: 556: 551: 546: 541: 536: 529: 526: 520: 517: 513:Ashkenazi Jews 503: 500: 487: 484: 467: 464: 431: 428: 418: 415: 392: 386: 381: 378: 348: 342: 337: 334: 318:RecQ helicases 292: 289: 285:Fanconi anemia 214:hypothyroidism 151:hypo-pigmented 147:telangiectatic 133: 130: 66:Bloom syndrome 61: 60: 47: 41: 40: 36: 35: 27: 26: 25:Bloom syndrome 18: 15: 9: 6: 4: 3: 2: 3583: 3572: 3569: 3567: 3564: 3562: 3559: 3557: 3554: 3552: 3549: 3547: 3544: 3542: 3539: 3537: 3534: 3532: 3529: 3527: 3524: 3522: 3519: 3518: 3516: 3503: 3502: 3495: 3489: 3486: 3484: 3483:BIDS syndrome 3481: 3479: 3476: 3474: 3471: 3469: 3466: 3464: 3461: 3459: 3456: 3454: 3451: 3449: 3446: 3444: 3441: 3439: 3436: 3434: 3431: 3430: 3428: 3424: 3418: 3415: 3413: 3410: 3409: 3407: 3405: 3401: 3391: 3388: 3386: 3383: 3381: 3378: 3377: 3375: 3373: 3369: 3363: 3360: 3358: 3355: 3353: 3350: 3349: 3347: 3345: 3341: 3338: 3336: 3332: 3328: 3321: 3316: 3314: 3309: 3307: 3302: 3301: 3298: 3282: 3279: 3277: 3274: 3272: 3269: 3265: 3261: 3258: 3256: 3253: 3251: 3248: 3247: 3246: 3245: 3244:RecQ helicase 3241: 3240: 3238: 3234: 3228: 3225: 3223: 3220: 3219: 3217: 3215: 3211: 3205: 3202: 3200: 3197: 3195: 3192: 3191: 3189: 3187: 3183: 3179: 3173: 3170: 3166: 3163: 3162: 3161: 3160:Thymine dimer 3158: 3156: 3152: 3149: 3148: 3146: 3144: 3140: 3137: 3135: 3131: 3123: 3120: 3119: 3118: 3117: 3112: 3108: 3107: 3102: 3099: 3098: 3097: 3096: 3091: 3090: 3088: 3086: 3082: 3078: 3074: 3070: 3063: 3058: 3056: 3051: 3049: 3044: 3043: 3040: 3024: 3021: 3019: 3016: 3014: 3011: 3009: 3006: 3004: 3001: 2999: 2996: 2994: 2991: 2989: 2986: 2984: 2981: 2979: 2976: 2974: 2971: 2969: 2966: 2964: 2961: 2959: 2956: 2954: 2951: 2949: 2946: 2944: 2941: 2939: 2936: 2934: 2931: 2929: 2926: 2924: 2921: 2919: 2916: 2915: 2912: 2909: 2907: 2904: 2902: 2899: 2897: 2894: 2893: 2891: 2887: 2879: 2876: 2875: 2874: 2871: 2869: 2866: 2865: 2863: 2861: 2857: 2851: 2848: 2846: 2843: 2841: 2838: 2836: 2835:Encephalocele 2833: 2831: 2828: 2827: 2825: 2821: 2818: 2814:Developmental 2812: 2804: 2803: 2802: 2797: 2796: 2791: 2790: 2786: 2778: 2777:Hailey–Hailey 2775: 2771: 2767: 2764: 2762: 2759: 2758: 2757: 2756: 2755:immune system 2752: 2748: 2745: 2744: 2743: 2742: 2738: 2737: 2735: 2731: 2721: 2718: 2716: 2713: 2711: 2708: 2706: 2703: 2701: 2698: 2696: 2693: 2692: 2689: 2686: 2684: 2681: 2677: 2674: 2673: 2672: 2671: 2667: 2665: 2662: 2660: 2657: 2656: 2654: 2650: 2642: 2638: 2635: 2633: 2630: 2629: 2628: 2627: 2623: 2619: 2616: 2615: 2614: 2613: 2609: 2607: 2603: 2602: 2599: 2596: 2594: 2591: 2589: 2586: 2584: 2581: 2579: 2576: 2574: 2571: 2569: 2565: 2562: 2561: 2556: 2553: 2551: 2548: 2544: 2541: 2539: 2536: 2535: 2534: 2531: 2529: 2526: 2524: 2521: 2519: 2515: 2512: 2510: 2507: 2503: 2500: 2498: 2495: 2494: 2493: 2492: 2488: 2486: 2483: 2481: 2478: 2474: 2471: 2470: 2469: 2468: 2464: 2462: 2459: 2455: 2452: 2450: 2447: 2445: 2442: 2441: 2440: 2439: 2435: 2434: 2432: 2431: 2428: 2425: 2423: 2420: 2418: 2415: 2413: 2409: 2406: 2405: 2403: 2401: 2397: 2394: 2392: 2391:keratinopathy 2387: 2383: 2377: 2374: 2372: 2369: 2367: 2364: 2361: 2357: 2354: 2352: 2349: 2348: 2346: 2344: 2340: 2336: 2330: 2326: 2323: 2321: 2318: 2316: 2313: 2311: 2308: 2306: 2303: 2301: 2297: 2294: 2293: 2291: 2289: 2285: 2279: 2276: 2274: 2271: 2269: 2266: 2264: 2260: 2259: 2254: 2251: 2249: 2246: 2245: 2244: 2241: 2240: 2235: 2232: 2230: 2227: 2225: 2222: 2220: 2217: 2216: 2215: 2212: 2211: 2206: 2203: 2201: 2198: 2196: 2193: 2191: 2188: 2186: 2183: 2181: 2178: 2177: 2176: 2173: 2172: 2170: 2166: 2162: 2152: 2149: 2147: 2144: 2142: 2139: 2137: 2134: 2132: 2129: 2127: 2124: 2122: 2119: 2118: 2116: 2112: 2106: 2103: 2102: 2100: 2098: 2094: 2088: 2085: 2083: 2080: 2078: 2075: 2074: 2069: 2066: 2065: 2064: 2061: 2059: 2055: 2052: 2051: 2049: 2047: 2043: 2037: 2034: 2033: 2031: 2029: 2025: 2022: 2020: 2015: 2011: 2008: 2006: 2002: 1998: 1994: 1990: 1983: 1978: 1976: 1971: 1969: 1964: 1963: 1960: 1953: 1949: 1948: 1944: 1943: 1933: 1929: 1928: 1924: 1922: 1918: 1917: 1913: 1911: 1907: 1906: 1902: 1901: 1898: 1894: 1887: 1883: 1882: 1878: 1876: 1872: 1871: 1867: 1865: 1861: 1860: 1856: 1854: 1850: 1849: 1845: 1841: 1839: 1835: 1834: 1830: 1826: 1825: 1822: 1817: 1813: 1800: 1796: 1792: 1788: 1784: 1783: 1777: 1776: 1759: 1755: 1751: 1747: 1742: 1741: 1733: 1729: 1725: 1721: 1717: 1713: 1709: 1705: 1698: 1682: 1678: 1672: 1658: 1654: 1648: 1640: 1636: 1632: 1628: 1624: 1620: 1613: 1597: 1591: 1583: 1579: 1575: 1571: 1567: 1563: 1558: 1553: 1550:(2): 99–113. 1549: 1545: 1541: 1534: 1526: 1520: 1512: 1508: 1504: 1500: 1496: 1492: 1485: 1477: 1473: 1468: 1463: 1459: 1455: 1451: 1447: 1443: 1436: 1428: 1424: 1419: 1414: 1410: 1406: 1401: 1396: 1392: 1388: 1384: 1380: 1376: 1368: 1360: 1356: 1351: 1346: 1342: 1338: 1334: 1330: 1326: 1319: 1311: 1307: 1302: 1297: 1293: 1289: 1285: 1281: 1277: 1270: 1262: 1258: 1253: 1248: 1243: 1238: 1234: 1230: 1226: 1222: 1218: 1211: 1203: 1199: 1195: 1191: 1187: 1183: 1182:Dermatol Clin 1176: 1168: 1164: 1159: 1154: 1150: 1146: 1145:J. Biol. Chem 1142: 1135: 1127: 1123: 1119: 1115: 1110: 1105: 1101: 1097: 1093: 1086: 1078: 1074: 1070: 1066: 1061: 1056: 1052: 1048: 1044: 1037: 1029: 1025: 1020: 1015: 1012:(6): 943–53. 1011: 1007: 1003: 996: 988: 984: 979: 974: 970: 966: 962: 958: 954: 947: 939: 935: 930: 925: 920: 915: 911: 907: 903: 896: 894: 885: 881: 876: 871: 867: 863: 858: 853: 849: 845: 841: 834: 832: 824: 819: 817: 815: 806: 802: 798: 794: 790: 786: 782: 778: 771: 763: 759: 755: 751: 747: 743: 739: 735: 728: 720: 716: 712: 708: 703: 698: 694: 690: 686: 679: 671: 667: 663: 659: 655: 651: 644: 636: 630: 626: 619: 611: 607: 603: 599: 595: 591: 584: 578: 574: 569: 565: 555: 552: 550: 547: 545: 542: 540: 537: 535: 532: 531: 525: 516: 514: 510: 499: 497: 493: 483: 481: 477: 473: 459: 455: 453: 449: 444: 441: 437: 427: 424: 414: 410: 384: 376: 340: 332: 319: 315: 310: 306: 297: 288: 286: 281: 279: 275: 271: 267: 266: 261: 257: 256: 251: 246: 243: 241: 237: 232: 230: 225: 223: 219: 215: 211: 207: 203: 199: 194: 190: 186: 182: 173: 169: 167: 166:micrognathism 162: 160: 156: 152: 148: 144: 138: 129: 127: 122: 120: 115: 113: 109: 105: 104: 99: 98: 93: 89: 88: 83: 79: 75: 71: 67: 57: 51: 48: 46: 42: 37: 33: 28: 23: 3498: 3356: 3249: 3242: 3114: 3109:Termination/ 3093: 2840:Nasal glioma 2830:Dermoid cyst 2799: 2793: 2782: 2781: 2766:Mastocytosis 2753: 2747:EEM syndrome 2739: 2668: 2624: 2610: 2489: 2465: 2436: 1997:skin disease 1945: 1925: 1914: 1903: 1879: 1868: 1857: 1842: 1827: 1781: 1761:. 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Index


Specialty
Medical genetics
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autosomal
genetic disorder
cancer
BLM
helicase
WRN
RECQL4
Werner syndrome
Rothmund–Thomson syndrome
sister chromatid exchanges
erythematous
telangiectatic
hypo-pigmented
cafe-au-lait spots
telangiectasias
micrognathism

immune deficiency
B
T cells
pneumonia
carbohydrate metabolism
insulin resistance
type 2 diabetes
dyslipidemia
hypothyroidism

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