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Manitoba aboriginal kindred with original cerebro-oculo- facio-skeletal syndrome has a mutation in the Cockayne syndrome group B (CSB) gene.

Authors: Meira, LB  Graham JM, JR  Greenberg, CR  Busch, DB  Doughty, AT  Ziffer, DW  Coleman, DM  Savre-Train, I  Friedberg, EC 
Citation: Meira LB, etal., Am J Hum Genet. 2000 Apr;66(4):1221-8. Epub 2000 Mar 15.
Pubmed: (View Article at PubMed) PMID:10739753
DOI: Full-text: DOI:10.1086/302867

Cerebro-oculo-facio-skeletal (COFS) syndrome is a rapidly progressive neurological disorder leading to brain atrophy with calcification, cataracts, microcornea, optic atrophy, progressive joint contractures, and growth failure. Cockayne syndrome (CS) is a recessively inherited neurodegenerative disorder characterized by low-to-normal birth weight; growth failure; brain dysmyelination with calcium deposits; cutaneous photosensitivity; pigmentary retinopathy, cataracts, or both; and sensorineural hearing loss. CS cells are hypersensitive to UV radiation because of impaired nucleotide excision repair of UV radiation-induced damage in actively transcribed DNA. The abnormalities in CS are associated with mutations in the CSA or CSB genes. In this report, we present evidence that two probands related to the Manitoba Aboriginal population group within which COFS syndrome was originally reported have cellular phenotypes indistinguishable from those in CS cells. The identical mutation was detected in the CSB gene from both children with COFS syndrome and in both parents of one of the patients. This mutation was also detected in three other patients with COFS syndrome from the Manitoba Aboriginal population group. These results suggest that CS and COFS syndrome share a common pathogenesis.

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CRRD Object Information
CRRD ID: 10401101
Created: 2015-09-25
Species: All species
Last Modified: 2015-09-25
Status: ACTIVE



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