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Bloom syndrome

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249:. 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 318:. 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 465:(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. 307: 67: 160:, 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 469: 43: 534:
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).
1976: 372: 125:, 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. 283:. 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 3063: 1790:
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".
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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
132:(SCEs). The condition was discovered and first described by New York dermatologist Dr. David Bloom in 1954. 2512: 2339: 2315: 1606: 509:. Efforts to minimize exposure to other known environmental mutagens are also advisable in multiple forms. 3473: 3427: 3132: 3023: 2988: 2911: 2705: 2693: 2543: 2386: 194:, characterized by deficiency in certain immunoglobulin classes and a generalized proliferative defect of 97: 3478: 3395: 3175: 2888: 2799: 2175: 2024: 1942: 1052:
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".
3362: 3265: 3095: 3083: 2883: 2401: 446: 216: 118: 1663: 612: 1401: 1243: 851:"Bloom's Syndrome: Clinical Spectrum, Molecular Pathogenesis, and Cancer Predisposition" 3468: 3281: 3182: 2998: 2983: 2916: 2698: 2669: 2519: 2483: 2437: 2396: 2092: 2015: 1863: 1726: 1477: 1452: 1428: 1385: 1360: 1335: 1311: 1286: 1228:"Evidence for increased in vivo mutation and somatic recombination in Bloom's syndrome" 988: 963: 939: 912: 885: 850: 523: 295: 224: 169: 157: 1513: 1262: 1227: 1204: 672: 3525: 3493: 3354: 3254: 3170: 2845: 2765: 2349: 1592: 1070: 1053: 712: 695: 328: 176: 1742: 1136: 1087: 815: 772: 729: 2850: 2840: 2776: 2757: 2007: 1687: 1013:"FANCM connects the genome instability disorders Bloom syndrome and Fanconi Anemia" 501:
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.
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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
54: 35: 1551:"A Structural Guide to the Bloom Syndrome Complex" 411: 366: 2428:Diffuse nonepidermolytic palmoplantar keratoderma 331:. The diffusion of BLM has been measured to 1.34 2152:Nonbullous congenital ichthyosiform erythroderma 3562:DNA replication and repair-deficiency disorders 2617:Palmoplantar keratoderma and spastic paraplegia 1688:"Data from the Bloom's Syndrome Registry, 2009" 1451:Martin, Carol-Anne; et al. (August 2018). 833: 3512:DNA replication and repair-deficiency disorder 2423:Diffuse epidermolytic palmoplantar keratoderma 1336:"The Dissolution of Double Holliday Junctions" 3322: 3064: 2954:Congenital malformations of the dermatoglyphs 1984: 1334:Bizard, A. H.; Hickson, I. D. (1 July 2014). 906: 904: 522:Jewish background. Approximately 1 in 48,000 8: 1150:So S, Adachi N, Lieber MR, Koyama H (2004). 117:, are associated with the clinical entities 1536:"Bloom Syndrome Registry | Pediatrics" 3499:Marfanoid–progeroid–lipodystrophy syndrome 3350: 3329: 3315: 3307: 3149: 3071: 3057: 3049: 2979:Melanotic neuroectodermal tumor of infancy 2830: 2716:Keratosis follicularis spinulosa decalvans 2406: 2147:Ichthyosis–sclerosing cholangitis syndrome 2034: 2020: 1991: 1977: 1969: 1822: 1796:. Seattle (WA): University of Washington. 1763:. Seattle (WA): University of Washington. 1340:Cold Spring Harbor Perspectives in Biology 65: 41: 32: 3205:Hereditary nonpolyposis colorectal cancer 2939:Congenital cartilaginous rest of the neck 2534:Focal palmoplantar and gingival keratosis 1566: 1476: 1427: 1409: 1359: 1310: 1261: 1251: 1191:German J (Jan 1995). "Bloom's syndrome". 1167: 1118: 1069: 1028: 987: 938: 928: 884: 866: 711: 400: 394: 386: 382: 379: 356: 350: 342: 338: 336: 294:Bloom syndrome shares some features with 3004:Rapidly involuting congenital hemangioma 2594:Keratosis punctata of the palmar creases 2589:Keratosis punctata palmaris et plantaris 2460:Clouston's hidrotic ectodermal dysplasia 638:(10th ed.). Saunders. p. 575. 601:American Journal of Diseases of Children 576: 101:gene which is a member of the RecQ DNA 1457:The American Journal of Human Genetics 2065:Congenital ichthyosiform erythroderma 7: 3423:Hutchinson–Gilford progeria syndrome 2726:Keratosis pilaris atrophicans faciei 2311:Dermatopathia pigmentosa reticularis 1694:. Weill Cornell Medical Center. 2009 844: 842: 694:German, James M.D. (November 1993). 613:10.1001/archpedi.1954.02050100756008 3557:IUIS-PID table 3 immunodeficiencies 1609:. U.S. Food and Drug Administration 1011:Deans AJ, West SC (December 2009). 584:Online Mendelian Inheritance in Man 3019:Superficial lymphatic malformation 2964:Congenital smooth muscle hamartoma 2433:Palmoplantar keratoderma of Sybert 2002:malformations and deformations of 1727:10.1111/j.1399-0004.1977.tb00919.x 401: 390: 357: 346: 25: 2491:Scleroatrophic syndrome of Huriez 2321:Hypohidrotic ectodermal dysplasia 529: 186:An individual with Bloom syndrome 3582:Diseases named after discoverers 3532:Chromosome instability syndromes 3292:Severe combined immunodeficiency 2604:Porokeratosis plantaris discreta 2561:Striate palmoplantar keratoderma 713:10.1097/00005792-199311000-00003 428:Relationship to cancer and aging 263:gene product belongs, including 251:chronic obstructive lung disease 156:, that is red and inflamed, and 3215:Mismatch repair cancer syndrome 3029:Verrucous vascular malformation 2959:Congenital preauricular fistula 2929:Accessory nail of the fifth toe 2806:Template:Pigmentation disorders 2599:Schöpf–Schulz–Passarge syndrome 2579:Acrokeratoelastoidosis of Costa 2284:Laryngoonychocutaneous syndrome 2157:Ichthyosis linearis circumflexa 2142:Ichthyosis prematurity syndrome 962:Martin CA, et al. (2018). 3088:DNA repair-deficiency disorder 2643:Erythrokeratodermia variabilis 2554:Pachyonychia congenita type II 1: 3542:Autosomal recessive disorders 2969:Cystic lymphatic malformation 2922:Cavernous venous malformation 2549:Pachyonychia congenita type I 2472:Corneodermatoosseous syndrome 2132:Ichthyosis bullosa of Siemens 1692:Weill Cornell Medical College 1514:10.1016/s0165-4608(96)00336-6 1205:10.1016/S0733-8635(18)30101-3 834:Flanagan & Cunniff (2019) 673:10.1016/s0022-3476(99)70206-4 137:Bloom–Torre–Machacek syndrome 3459:DeSanctis–Cacchione syndrome 3166:DeSanctis–Cacchione syndrome 3112:Aicardi–Goutières syndrome 4 2377:Popliteal pterygium syndrome 2069:Epidermolytic hyperkeratosis 1071:10.1016/0092-8674(95)90105-1 1030:10.1016/j.molcel.2009.12.006 930:10.1371/journal.pgen.1006483 588:Bloom Syndrome; BLM - 210900 487:Food and Drug Administration 3577:Syndromes affecting stature 3009:Rosenthal–Kloepfer syndrome 2994:Omphalomesenteric duct cyst 2711:Keratolytic winter erythema 2371:Gerodermia osteodysplastica 1352:10.1101/cshperspect.a016477 1291:European Biophysics Journal 164:and hyper-pigmented areas, 3598: 3464:Nijmegen breakage syndrome 3238:Nijmegen breakage syndrome 3154:Nucleotide excision repair 2584:Focal acral hyperkeratosis 2331:Ellis–van Creveld syndrome 1469:10.1016/j.ajhg.2018.07.001 980:10.1016/j.ajhg.2018.07.001 130:sister chromatid exchanges 3507: 3373:Rothmund–Thomson syndrome 3271:Rothmund–Thomson syndrome 2508:Papillon–Lefèvre syndrome 2079:Harlequin-type ichthyosis 1568:10.1016/j.str.2020.11.020 1303:10.1007/s00249-014-0981-x 800:10.1007/s11033-014-3624-5 545:Accelerated aging disease 530:Bloom's Syndrome Registry 483:sister chromatid exchange 374:in nucleoplasm and 0.13 320:sister chromatid exchange 273:, topoisomerase 3 alpha, 123:Rothmund–Thomson syndrome 83:in literature) is a rare 49: 40: 2382:Pseudoxanthoma elasticum 2098:Sjögren–Larsson syndrome 1232:Proc Natl Acad Sci U S A 3437:Other/related disorders 3103:Separation/initiation: 2907:Aplasia cutis congenita 2326:Focal dermal hypoplasia 2289:Skin fragility syndrome 2137:Ichthyosis follicularis 1965:Genetics Home Reference 1411:10.1073/pnas.2109093119 240:intellectual disability 209:carbohydrate metabolism 3474:Dyskeratosis congenita 3454:Baller–Gerold syndrome 3428:Restrictive dermopathy 3383:NER protein-associated 3133:Dyskeratosis congenita 3024:Thyroglossal duct cyst 2989:Nasolacrimal duct cyst 2912:Amniotic band syndrome 2706:Dyskeratosis congenita 2694:Dyskeratosis congenita 2544:Pachyonychia congenita 2455:Bart–Pumphrey syndrome 2387:Van der Woude syndrome 2362:Ehlers–Danlos syndrome 1642:10.1006/mgme.1998.2733 1502:Cancer Genet Cytogenet 1169:10.1074/jbc.M409827200 855:Molecular Syndromology 473: 459:homologous chromosomes 413: 368: 311: 215:and susceptibility to 187: 79:(often abbreviated as 3572:Syndromes with tumors 3552:Ashkenazi Jews topics 3479:Ataxia telangiectasia 3396:Xeroderma pigmentosum 3233:Ataxia–telangiectasia 3176:Xeroderma pigmentosum 2889:Nevus flammeus nuchae 2800:Template:Phakomatoses 2772:Hereditary lymphedema 2336:Rapp–Hodgkin syndrome 2025:Congenital ichthyosis 1253:10.1073/pnas.86.2.670 550:Bloom syndrome (gene) 471: 414: 369: 309: 253:and type 2 diabetes. 185: 3444:Li–Fraumeni syndrome 3287:Li–Fraumeni syndrome 2879:Capillary hemangioma 2781:Urticaria pigmentosa 2539:Howel–Evans syndrome 2299:Ectodermal dysplasia 2240:Generalized atrophic 378: 335: 271:type I topoisomerase 269:, which encodes the 3567:Progeroid syndromes 3449:Rapadilino syndrome 3401:Trichothiodystrophy 3338:Progeroid syndromes 3275:RAPADILINO syndrome 3210:Muir–Torre syndrome 3197:DNA mismatch repair 2566:Tyrosinemia type II 2116:X-linked ichthyosis 2074:Lamellar ichthyosis 2047:Ichthyosis vulgaris 2030:erythrokeratodermia 1402:2022PNAS..11909093H 1244:1989PNAS...86..670L 2949:Congenital lip pit 2513:Haim–Munk syndrome 2465:Vohwinkel syndrome 2340:Hay–Wells syndrome 2316:Hay–Wells syndrome 2162:Ichthyosis hystrix 2088:Netherton syndrome 1907:External resources 1396:(6): e2109093119. 1120:10.1002/humu.20501 474: 409: 408: 406: 364: 362: 312: 223:, and compensated 213:insulin resistance 188: 166:cafe-au-lait spots 3519: 3518: 3489:PIBI(D)S syndrome 3484:De Barsy syndrome 3409: 3408: 3391:Cockayne syndrome 3304: 3303: 3300: 3299: 3162:Cockayne syndrome 3080:Metabolic disease 3046: 3045: 3042: 3041: 2974:Median raphe cyst 2934:Bronchogenic cyst 2856:PHACE association 2820: 2819: 2739: 2738: 2731:Keratosis pilaris 2675:Keratosis pilaris 2629:Carvajal syndrome 2609:Spiny keratoderma 2274:Costello syndrome 2170: 2169: 1952: 1951: 1715:Clinical Genetics 1297:(10–11): 509–16. 868:10.1159/000452082 794:(11): 7373–7380. 757:10.1159/000093826 645:978-0-7216-2921-6 507:photo-sensitivity 463:sister chromatids 405: 361: 192:immune deficiency 74: 73: 30:Medical condition 16:(Redirected from 3589: 3351: 3331: 3324: 3317: 3308: 3150: 3073: 3066: 3059: 3050: 2861:Sinus pericranii 2831: 2687:Darier's disease 2496:Olmsted syndrome 2407: 2307:Naegeli syndrome 2279:Kindler syndrome 2035: 2021: 1993: 1986: 1979: 1970: 1932:Bloom's Syndrome 1823: 1813: 1779: 1777: 1775: 1757:"Bloom syndrome" 1747: 1746: 1710: 1704: 1703: 1701: 1699: 1684: 1678: 1677: 1675: 1674: 1668:rarediseases.org 1660: 1654: 1653: 1625: 1619: 1618: 1616: 1614: 1603: 1597: 1596: 1570: 1546: 1540: 1539: 1532: 1526: 1525: 1497: 1491: 1490: 1480: 1448: 1442: 1441: 1431: 1413: 1380: 1374: 1373: 1363: 1331: 1325: 1324: 1314: 1282: 1276: 1275: 1265: 1255: 1223: 1217: 1216: 1188: 1182: 1181: 1171: 1162:(53): 55433–42. 1147: 1141: 1140: 1122: 1098: 1092: 1091: 1073: 1049: 1043: 1042: 1032: 1008: 1002: 1001: 991: 959: 953: 952: 942: 932: 923:(12). e1006483. 908: 899: 898: 888: 870: 846: 837: 831: 820: 819: 783: 777: 776: 740: 734: 733: 715: 691: 685: 684: 656: 650: 649: 631: 625: 624: 596: 590: 581: 418: 416: 415: 410: 407: 404: 399: 398: 393: 384: 373: 371: 370: 365: 363: 360: 355: 354: 349: 340: 89:genetic disorder 70: 69: 61:Medical genetics 45: 33: 27:Genetic disorder 21: 3597: 3596: 3592: 3591: 3590: 3588: 3587: 3586: 3522: 3521: 3520: 3515: 3503: 3432: 3405: 3377: 3363:Werner syndrome 3355:RecQ-associated 3340: 3335: 3305: 3296: 3266:Werner syndrome 3242: 3219: 3187: 3139: 3096:DNA replication 3090: 3084:DNA replication 3077: 3047: 3038: 2900:Other/ungrouped 2895: 2884:Port-wine stain 2865: 2826: 2816: 2735: 2658: 2400: 2391: 2344: 2293: 2178: 2166: 2120: 2102: 2051: 2028: 2010: 1997: 1953: 1948: 1947: 1902: 1901: 1834: 1820: 1789: 1786: 1784:Further reading 1773: 1771: 1754: 1751: 1750: 1712: 1711: 1707: 1697: 1695: 1686: 1685: 1681: 1672: 1670: 1662: 1661: 1657: 1630:Mol Genet Metab 1627: 1626: 1622: 1612: 1610: 1605: 1604: 1600: 1548: 1547: 1543: 1534: 1533: 1529: 1499: 1498: 1494: 1450: 1449: 1445: 1382: 1381: 1377: 1333: 1332: 1328: 1284: 1283: 1279: 1225: 1224: 1220: 1190: 1189: 1185: 1149: 1148: 1144: 1100: 1099: 1095: 1051: 1050: 1046: 1010: 1009: 1005: 961: 960: 956: 910: 909: 902: 848: 847: 840: 832: 823: 785: 784: 780: 742: 741: 737: 693: 692: 688: 658: 657: 653: 646: 633: 632: 628: 598: 597: 593: 582: 578: 573: 541: 532: 515: 499: 479: 447:DNA replication 443: 441:Pathophysiology 430: 385: 376: 375: 341: 333: 332: 304: 217:type 2 diabetes 170:telangiectasias 145: 119:Werner syndrome 64: 31: 28: 23: 22: 15: 12: 11: 5: 3595: 3593: 3585: 3584: 3579: 3574: 3569: 3564: 3559: 3554: 3549: 3547:Rare syndromes 3544: 3539: 3537:Genodermatoses 3534: 3524: 3523: 3517: 3516: 3508: 3505: 3504: 3502: 3501: 3496: 3491: 3486: 3481: 3476: 3471: 3469:Fanconi anemia 3466: 3461: 3456: 3451: 3446: 3440: 3438: 3434: 3433: 3431: 3430: 3425: 3419: 3417: 3411: 3410: 3407: 3406: 3404: 3403: 3398: 3393: 3387: 3385: 3379: 3378: 3376: 3375: 3370: 3368:Bloom syndrome 3365: 3359: 3357: 3348: 3342: 3341: 3336: 3334: 3333: 3326: 3319: 3311: 3302: 3301: 3298: 3297: 3295: 3294: 3289: 3284: 3282:Fanconi anemia 3279: 3278: 3277: 3268: 3263: 3261:Bloom syndrome 3250: 3248: 3244: 3243: 3241: 3240: 3235: 3229: 3227: 3221: 3220: 3218: 3217: 3212: 3207: 3201: 3199: 3189: 3188: 3186: 3185: 3183:IBIDS syndrome 3180: 3179: 3178: 3168: 3158: 3156: 3147: 3141: 3140: 3138: 3137: 3136: 3135: 3117: 3116: 3115: 3114: 3100: 3098: 3092: 3091: 3078: 3076: 3075: 3068: 3061: 3053: 3044: 3043: 3040: 3039: 3037: 3036: 3031: 3026: 3021: 3016: 3011: 3006: 3001: 2999:Poland anomaly 2996: 2991: 2986: 2984:Mongolian spot 2981: 2976: 2971: 2966: 2961: 2956: 2951: 2946: 2941: 2936: 2931: 2925: 2924: 2919: 2917:Branchial cyst 2914: 2909: 2903: 2901: 2897: 2896: 2894: 2893: 2892: 2891: 2881: 2875: 2873: 2867: 2866: 2864: 2863: 2858: 2853: 2848: 2843: 2837: 2835: 2828: 2822: 2821: 2818: 2817: 2791: 2790: 2785: 2784: 2783: 2774: 2762: 2761: 2760: 2747: 2745: 2741: 2740: 2737: 2736: 2734: 2733: 2728: 2723: 2718: 2713: 2708: 2702: 2701: 2699:Lelis syndrome 2696: 2691: 2690: 2689: 2677: 2672: 2670:Meleda disease 2666: 2664: 2660: 2659: 2657: 2656: 2655: 2654: 2645: 2633: 2632: 2631: 2619: 2612: 2611: 2606: 2601: 2596: 2591: 2586: 2581: 2571: 2570: 2569: 2568: 2563: 2558: 2557: 2556: 2551: 2541: 2536: 2531: 2522: 2520:Camisa disease 2517: 2516: 2515: 2510: 2498: 2493: 2488: 2487: 2486: 2484:Naxos syndrome 2474: 2469: 2468: 2467: 2462: 2457: 2441: 2440: 2438:Meleda disease 2435: 2430: 2425: 2415: 2413: 2404: 2397:Hyperkeratosis 2393: 2392: 2390: 2389: 2384: 2379: 2374: 2364: 2358: 2356: 2346: 2345: 2343: 2342: 2333: 2328: 2323: 2318: 2313: 2303: 2301: 2295: 2294: 2292: 2291: 2286: 2281: 2276: 2269: 2268: 2267: 2266: 2261: 2250: 2249: 2248: 2247: 2242: 2237: 2232: 2221: 2220: 2219: 2218: 2213: 2208: 2203: 2198: 2193: 2182: 2180: 2172: 2171: 2168: 2167: 2165: 2164: 2159: 2154: 2149: 2144: 2139: 2134: 2128: 2126: 2122: 2121: 2119: 2118: 2112: 2110: 2104: 2103: 2101: 2100: 2095: 2093:CHIME syndrome 2090: 2084: 2083: 2082: 2081: 2071: 2061: 2059: 2053: 2052: 2050: 2049: 2043: 2041: 2032: 2018: 2016:Genodermatosis 2012: 2011: 1998: 1996: 1995: 1988: 1981: 1973: 1967: 1966: 1958:Bloom syndrome 1950: 1949: 1946: 1945: 1934: 1923: 1911: 1910: 1908: 1904: 1903: 1900: 1899: 1888: 1877: 1866: 1851: 1835: 1830: 1829: 1827: 1826:Classification 1819: 1818:External links 1816: 1815: 1814: 1785: 1782: 1781: 1780: 1749: 1748: 1721:(3): 162–168. 1705: 1679: 1655: 1636:(4): 286–290. 1620: 1598: 1541: 1527: 1492: 1463:(2): 221–231. 1443: 1375: 1346:(7): a016477. 1326: 1277: 1218: 1183: 1142: 1113:(8): 743–753. 1107:Human Mutation 1093: 1064:(4): 655–666. 1044: 1003: 974:(2): 221–231. 968:Am J Hum Genet 954: 900: 838: 821: 778: 751:(3): 111–117. 735: 706:(6): 393–406. 686: 667:(4): 472–479. 651: 644: 626: 591: 575: 574: 572: 569: 568: 567: 562: 557: 552: 547: 540: 537: 531: 528: 524:Ashkenazi Jews 514: 511: 498: 495: 478: 475: 442: 439: 429: 426: 403: 397: 392: 389: 359: 353: 348: 345: 329:RecQ helicases 303: 300: 296:Fanconi anemia 225:hypothyroidism 162:hypo-pigmented 158:telangiectatic 144: 141: 77:Bloom syndrome 72: 71: 58: 52: 51: 47: 46: 38: 37: 36:Bloom syndrome 29: 26: 24: 18:Bloom Syndrome 14: 13: 10: 9: 6: 4: 3: 2: 3594: 3583: 3580: 3578: 3575: 3573: 3570: 3568: 3565: 3563: 3560: 3558: 3555: 3553: 3550: 3548: 3545: 3543: 3540: 3538: 3535: 3533: 3530: 3529: 3527: 3514: 3513: 3506: 3500: 3497: 3495: 3494:BIDS syndrome 3492: 3490: 3487: 3485: 3482: 3480: 3477: 3475: 3472: 3470: 3467: 3465: 3462: 3460: 3457: 3455: 3452: 3450: 3447: 3445: 3442: 3441: 3439: 3435: 3429: 3426: 3424: 3421: 3420: 3418: 3416: 3412: 3402: 3399: 3397: 3394: 3392: 3389: 3388: 3386: 3384: 3380: 3374: 3371: 3369: 3366: 3364: 3361: 3360: 3358: 3356: 3352: 3349: 3347: 3343: 3339: 3332: 3327: 3325: 3320: 3318: 3313: 3312: 3309: 3293: 3290: 3288: 3285: 3283: 3280: 3276: 3272: 3269: 3267: 3264: 3262: 3259: 3258: 3257: 3256: 3255:RecQ helicase 3252: 3251: 3249: 3245: 3239: 3236: 3234: 3231: 3230: 3228: 3226: 3222: 3216: 3213: 3211: 3208: 3206: 3203: 3202: 3200: 3198: 3194: 3190: 3184: 3181: 3177: 3174: 3173: 3172: 3171:Thymine dimer 3169: 3167: 3163: 3160: 3159: 3157: 3155: 3151: 3148: 3146: 3142: 3134: 3131: 3130: 3129: 3128: 3123: 3119: 3118: 3113: 3110: 3109: 3108: 3107: 3102: 3101: 3099: 3097: 3093: 3089: 3085: 3081: 3074: 3069: 3067: 3062: 3060: 3055: 3054: 3051: 3035: 3032: 3030: 3027: 3025: 3022: 3020: 3017: 3015: 3012: 3010: 3007: 3005: 3002: 3000: 2997: 2995: 2992: 2990: 2987: 2985: 2982: 2980: 2977: 2975: 2972: 2970: 2967: 2965: 2962: 2960: 2957: 2955: 2952: 2950: 2947: 2945: 2942: 2940: 2937: 2935: 2932: 2930: 2927: 2926: 2923: 2920: 2918: 2915: 2913: 2910: 2908: 2905: 2904: 2902: 2898: 2890: 2887: 2886: 2885: 2882: 2880: 2877: 2876: 2874: 2872: 2868: 2862: 2859: 2857: 2854: 2852: 2849: 2847: 2846:Encephalocele 2844: 2842: 2839: 2838: 2836: 2832: 2829: 2825:Developmental 2823: 2815: 2814: 2813: 2808: 2807: 2802: 2801: 2797: 2789: 2788:Hailey–Hailey 2786: 2782: 2778: 2775: 2773: 2770: 2769: 2768: 2767: 2766:immune system 2763: 2759: 2756: 2755: 2754: 2753: 2749: 2748: 2746: 2742: 2732: 2729: 2727: 2724: 2722: 2719: 2717: 2714: 2712: 2709: 2707: 2704: 2703: 2700: 2697: 2695: 2692: 2688: 2685: 2684: 2683: 2682: 2678: 2676: 2673: 2671: 2668: 2667: 2665: 2661: 2653: 2649: 2646: 2644: 2641: 2640: 2639: 2638: 2634: 2630: 2627: 2626: 2625: 2624: 2620: 2618: 2614: 2613: 2610: 2607: 2605: 2602: 2600: 2597: 2595: 2592: 2590: 2587: 2585: 2582: 2580: 2576: 2573: 2572: 2567: 2564: 2562: 2559: 2555: 2552: 2550: 2547: 2546: 2545: 2542: 2540: 2537: 2535: 2532: 2530: 2526: 2523: 2521: 2518: 2514: 2511: 2509: 2506: 2505: 2504: 2503: 2499: 2497: 2494: 2492: 2489: 2485: 2482: 2481: 2480: 2479: 2475: 2473: 2470: 2466: 2463: 2461: 2458: 2456: 2453: 2452: 2451: 2450: 2446: 2445: 2443: 2442: 2439: 2436: 2434: 2431: 2429: 2426: 2424: 2420: 2417: 2416: 2414: 2412: 2408: 2405: 2403: 2402:keratinopathy 2398: 2394: 2388: 2385: 2383: 2380: 2378: 2375: 2372: 2368: 2365: 2363: 2360: 2359: 2357: 2355: 2351: 2347: 2341: 2337: 2334: 2332: 2329: 2327: 2324: 2322: 2319: 2317: 2314: 2312: 2308: 2305: 2304: 2302: 2300: 2296: 2290: 2287: 2285: 2282: 2280: 2277: 2275: 2271: 2270: 2265: 2262: 2260: 2257: 2256: 2255: 2252: 2251: 2246: 2243: 2241: 2238: 2236: 2233: 2231: 2228: 2227: 2226: 2223: 2222: 2217: 2214: 2212: 2209: 2207: 2204: 2202: 2199: 2197: 2194: 2192: 2189: 2188: 2187: 2184: 2183: 2181: 2177: 2173: 2163: 2160: 2158: 2155: 2153: 2150: 2148: 2145: 2143: 2140: 2138: 2135: 2133: 2130: 2129: 2127: 2123: 2117: 2114: 2113: 2111: 2109: 2105: 2099: 2096: 2094: 2091: 2089: 2086: 2085: 2080: 2077: 2076: 2075: 2072: 2070: 2066: 2063: 2062: 2060: 2058: 2054: 2048: 2045: 2044: 2042: 2040: 2036: 2033: 2031: 2026: 2022: 2019: 2017: 2013: 2009: 2005: 2001: 1994: 1989: 1987: 1982: 1980: 1975: 1974: 1971: 1964: 1960: 1959: 1955: 1954: 1944: 1940: 1939: 1935: 1933: 1929: 1928: 1924: 1922: 1918: 1917: 1913: 1912: 1909: 1905: 1898: 1894: 1893: 1889: 1887: 1883: 1882: 1878: 1876: 1872: 1871: 1867: 1865: 1861: 1860: 1856: 1852: 1850: 1846: 1845: 1841: 1837: 1836: 1833: 1828: 1824: 1817: 1811: 1807: 1803: 1799: 1795: 1794: 1788: 1787: 1783: 1770: 1766: 1762: 1758: 1753: 1752: 1744: 1740: 1736: 1732: 1728: 1724: 1720: 1716: 1709: 1706: 1693: 1689: 1683: 1680: 1669: 1665: 1659: 1656: 1651: 1647: 1643: 1639: 1635: 1631: 1624: 1621: 1608: 1602: 1599: 1594: 1590: 1586: 1582: 1578: 1574: 1569: 1564: 1561:(2): 99–113. 1560: 1556: 1552: 1545: 1542: 1537: 1531: 1528: 1523: 1519: 1515: 1511: 1507: 1503: 1496: 1493: 1488: 1484: 1479: 1474: 1470: 1466: 1462: 1458: 1454: 1447: 1444: 1439: 1435: 1430: 1425: 1421: 1417: 1412: 1407: 1403: 1399: 1395: 1391: 1387: 1379: 1376: 1371: 1367: 1362: 1357: 1353: 1349: 1345: 1341: 1337: 1330: 1327: 1322: 1318: 1313: 1308: 1304: 1300: 1296: 1292: 1288: 1281: 1278: 1273: 1269: 1264: 1259: 1254: 1249: 1245: 1241: 1237: 1233: 1229: 1222: 1219: 1214: 1210: 1206: 1202: 1198: 1194: 1193:Dermatol Clin 1187: 1184: 1179: 1175: 1170: 1165: 1161: 1157: 1156:J. Biol. Chem 1153: 1146: 1143: 1138: 1134: 1130: 1126: 1121: 1116: 1112: 1108: 1104: 1097: 1094: 1089: 1085: 1081: 1077: 1072: 1067: 1063: 1059: 1055: 1048: 1045: 1040: 1036: 1031: 1026: 1023:(6): 943–53. 1022: 1018: 1014: 1007: 1004: 999: 995: 990: 985: 981: 977: 973: 969: 965: 958: 955: 950: 946: 941: 936: 931: 926: 922: 918: 914: 907: 905: 901: 896: 892: 887: 882: 878: 874: 869: 864: 860: 856: 852: 845: 843: 839: 835: 830: 828: 826: 822: 817: 813: 809: 805: 801: 797: 793: 789: 782: 779: 774: 770: 766: 762: 758: 754: 750: 746: 739: 736: 731: 727: 723: 719: 714: 709: 705: 701: 697: 690: 687: 682: 678: 674: 670: 666: 662: 655: 652: 647: 641: 637: 630: 627: 622: 618: 614: 610: 606: 602: 595: 592: 589: 585: 580: 577: 570: 566: 563: 561: 558: 556: 553: 551: 548: 546: 543: 542: 538: 536: 527: 525: 521: 512: 510: 508: 504: 496: 494: 492: 488: 484: 476: 470: 466: 464: 460: 455: 452: 448: 440: 438: 435: 427: 425: 421: 395: 387: 351: 343: 330: 326: 321: 317: 308: 301: 299: 297: 292: 290: 286: 282: 278: 277: 272: 268: 267: 262: 257: 254: 252: 248: 243: 241: 236: 234: 230: 226: 222: 218: 214: 210: 205: 201: 197: 193: 184: 180: 178: 177:micrognathism 173: 171: 167: 163: 159: 155: 149: 142: 140: 138: 133: 131: 126: 124: 120: 116: 115: 110: 109: 104: 100: 99: 94: 90: 86: 82: 78: 68: 62: 59: 57: 53: 48: 44: 39: 34: 19: 3509: 3367: 3260: 3253: 3125: 3120:Termination/ 3104: 2851:Nasal glioma 2841:Dermoid cyst 2810: 2804: 2793: 2792: 2777:Mastocytosis 2764: 2758:EEM syndrome 2750: 2679: 2635: 2621: 2500: 2476: 2447: 2008:skin disease 1956: 1936: 1925: 1914: 1890: 1879: 1868: 1853: 1838: 1792: 1772:. 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Index

Bloom Syndrome

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

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