APC germline mutations identified in Czech patients with familial adenomatous polyposis

Human Mutation
M KohoutováJan Kapras

Abstract

Familial adenomatous polyposis (FAP) is an autosomal dominantly inherited predisposition to colorectal cancer, which is caused by germline mutations in the adenomatous polyposis coli (APC) gene. The APC mutations have been investigated in 46 Czech unrelated FAP families and 9 suspected FAP families using DGGE analysis and direct DNA sequencing. We found 25 germline APC mutations and identified 11 which were not previously reported. Of the identified mutations, 10 were 1 to 5 bp deletions, four were 1 bp insertions and six were nonsense, all leading to the formation of premature stop codon. In addition, we detected two mutations in the splice-donor region of APC intron 11, one missense and two samesense mutations. Phenotypes of patients with known and novel types of mutations are presented and discussed.

Citations

Apr 7, 2007·BMC Medical Genetics·Jitka StekrovaMilada Kohoutova
Feb 18, 2004·Journal of Biomedical Science·Shu-Chen WeiJau-Min Wong

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