
pmid: 28164502
Epidermolysis bullosa pruriginosa (DEB-Pr) is a rare disease caused by mutations in the collagen, type VII, alpha 1 (COL7A1) gene. Here, we identified a novel COL7A1 mutation in a Chinese family with DEB-Pr.Blood samples were obtained from 4 affected individuals of the 16-member family for isolation of genomic DNA. The COL7A1 exons were then amplified using PCR for direct sequencing. Two unaffected family members and 50 healthy controls were also enrolled for a comparison of genetic polymorphisms.We identified a novel mutation, exon 110 c.8111G>A, P.Gly2704Glu (GGA>GAA), in all 4 affected individuals but not in the unaffected family members or healthy controls.A glycine substitution specific to COL7A1, exon 110 c.8111G>A, P.Gly2704Glu (GGA>GAA), was identified in a Chinese family with DEB-Pr.
Adult, Male, China, Collagen Type VII, Heredity, Biopsy, DNA Mutational Analysis, Exons, Polymerase Chain Reaction, Epidermolysis Bullosa Dystrophica, Pedigree, Young Adult, Phenotype, Amino Acid Substitution, Asian People, Mutation, Humans, Female, Genetic Predisposition to Disease, Skin
Adult, Male, China, Collagen Type VII, Heredity, Biopsy, DNA Mutational Analysis, Exons, Polymerase Chain Reaction, Epidermolysis Bullosa Dystrophica, Pedigree, Young Adult, Phenotype, Amino Acid Substitution, Asian People, Mutation, Humans, Female, Genetic Predisposition to Disease, Skin
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