Frequent polymorphism in the 13th exon of the adenomatous polyposis coli gene
β Scribed by S. Olschwang; P. Laurent-Puig; B. Thuille; G. Thomas
- Publisher
- Springer
- Year
- 1992
- Tongue
- English
- Weight
- 406 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0340-6717
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β¦ Synopsis
We have studied the DNA from 170 individuals affected with familial adenomatous polyposis and from 20 uneffected individuals. Denaturing gradient gel electrophoresis of polymerase chain reaction amplified DNA from the adenomatous polyposis coli (APC) gene demonstrated three major patterns consistent with the existence of two different sequences in exon 13 of the gene in the human population. Direct sequencing of the amplified product from DNAs producing these three patterns confirmed the presence of a polymorphism in the coding region of the APC gene.
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## Germline mutations within the adenomatous polyposis coli (APC ) gene, a tumor suppressor gene, are responsible for most cases of familial adenomatous polyposis (FAP), an autosomal dominantly inherited predisposition to colorectal cancer. To date, more than 300 germ-line causative mutations with
We report the genomic cloning and sequence analysis of a novel and (so far) smallest coding exon of the human adenomatous polyposis coli (APC) gene. This additional exon of 54 nucleotides in length, designated APC exon 10A, is located 1.6 kb downstream from exon 10. It resides on a 0.5-kb genomic Ec
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