Abstract
Recessive dystrophic epidermolysis bullosa is a severe mutilating genodermatosis. Previous ultrastructural demonstrations of altered anchoring fibrils, and recent genetic linkage analyses have suggested that type VII collagen, the major component of anchoring fibrils, is a candidate gene. We have identified a homozygous methionine–to–lysine mutation in two affected siblings, while their unaffected mother and half–brother are heterozygous carriers. The mutation resides in a highly conserved region of the C–terminus of type VII collagen, strongly suggesting that it is the cause of the disease in this family.
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Christiano, A., Greenspan, D., Hoffman, G. et al. A missense mutation in type VII collagen in two affected siblings with recessive dystrophic epidermolysis bullosa. Nat Genet 4, 62–66 (1993). https://doi.org/10.1038/ng0593-62
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DOI: https://doi.org/10.1038/ng0593-62
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