Somatic mutations of the adenomatous polyposis coli gene in gastroduodenal tumors from patients with familial adenomatous polyposis.

Abstract excerpt

We analyzed somatic mutations of the adenomatous polyposis coli (APC), p53, and K-ras genes in gastroduodenal polyps and normal gastroduodenal mucosa from 21 familial adenomatous polyposis patients, using PCR-single-strand conformation polymorphism and direct sequencing methods. Seventy-five polyps were obtained from these patients endoscopically or surgically, and they were histopathologically diagnosed as mild...

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