Related Experiment Videos
Familial adenomatous polyposis: from bedside to benchside
M J O'Sullivan1, T V McCarthy, C T Doyle
1Department of Pathology, Cork University Hospital, Ireland.
American Journal of Clinical Pathology
|May 12, 1998
Summary
Familial adenomatous polyposis (FAP) is an inherited syndrome linked to APC gene mutations. Understanding these mutations is key to FAP
Area of Science:
- Genetics
- Oncology
- Molecular Biology
Background:
- Familial adenomatous polyposis (FAP) is a dominant inherited cancer predisposition syndrome.
- FAP incidence ranges from 1:17,000 to 1:5,000 births.
- The condition is strongly linked to mutations in the adenomatous polyposis coli (APC) gene.
Purpose of the Study:
- To bridge clinical understanding with molecular insights into FAP.
- To explore the role of APC gene mutations in FAP pathogenesis.
- To review genotype-phenotype correlations and APC protein function.
Main Methods:
- Literature review focusing on genetic and molecular aspects of FAP.
- Analysis of studies linking APC gene mutations to FAP.
- Examination of research on APC protein structure and function.
Main Results:
- APC gene mutations, predominantly truncating, lead to loss of APC protein function.
- Spontaneous germline mutations in APC are frequent, contributing to FAP incidence.
- APC gene mutations occur early in colorectal cancer progression and in other carcinomas.
Conclusions:
- APC gene mutations are the primary cause of FAP.
- Understanding APC gene and protein is crucial for FAP diagnosis and management.
- Research has elucidated genotype-phenotype correlations and APC protein's role.