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Hum Genet. 1986 Sep;74(1):41-6.

Ehlers-Danlos syndrome type IV: cosegregation of the phenotype to a COL3A1 allele of type III procollagen.


Ehlers-Danlos syndrome (EDS) type IV is a rare and catastrophic genetic disorder of the connective tissue. Individuals from two families with this disorder were studied for a restriction fragment length polymorphism (RFLP) associated with the COL3A1 gene. Our results suggested cosegregation of the EDS type IV phenotype with a COL3A1 RFLP allele. Biochemical studies in cultured skin fibroblasts indicated the presence of different mutations affecting the stability and secretion of the pro alpha 1(III) chains of type III procollagen in the two families, thus suggesting that EDS type IV is biochemically heterogeneous. Our data demonstrated the feasibility of molecular diagnosis in this condition using COL3A1 gene related RFLPs.

[Indexed for MEDLINE]

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