Elsevier, Cancer Genetics and Cytogenetics, 1(181), p. 52-54
DOI: 10.1016/j.cancergencyto.2007.11.001
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We describe a novel germline mutation in BMPR1A in a family with Juvenile Polyposis and colon cancer. This mutation is that of two consecutive substitutions (735-6 TG>AT) which cause two nonsense mutations (Y245X, G246X), inherited in an autosomal dominant fashion, on one parental chromosome. This mutation caused protein truncation, and represents a unique case of consecutive nonsense mutations in human disease.