نتایج جستجو برای: polyposis colorectal cancer
تعداد نتایج: 932929 فیلتر نتایج به سال:
AIMS Microsatellite instability (MSI) was first observed in hereditary non-polyposis colorectal carcinoma (HNPCC) and was subsequently seen in non-familial colorectal carcinoma. The relation between MSI and cancer associated genes in non-familial colorectal carcinomas has yet to be evaluated. To clarify this matter, changes in cancer associated genes were examined in non-familial colorectal car...
Familial adenomatous polyposis (FAP) is an autosomal dominant inherited disease characterized by the presence of adenomatous polyps in the colon and rectum, with inevitable development of colorectal cancer if left untreated. FAP is caused by germline mutations in the adenomatous polyposis coli (APC) gene. Somatic mutations in the APC gene are an early event in colorectal tumorigenesis, and can ...
Within groups of patients with colorectal cancer who report a family history of cancer, it is possible to identify cases associated with defined genetic susceptibility syndromes. These syndromes account for a small, but appreciable, proportion of all cases of colorectal cancer and are characterised by very high absolute cancer risk. There is usually evidence of germline transmission of a domina...
Within groups of patients with colorectal cancer who report a family history of cancer, it is possible to identify cases associated with defined genetic susceptibility syndromes. These syndromes account for a small, but appreciable, proportion of all cases of colorectal cancer and are characterised by very high absolute cancer risk. There is usually evidence of germline transmission of a domina...
Germline mutations in DNA polymerase ɛ (POLE) and δ (POLD1) have been recently identified in families with multiple colorectal adenomas and colorectal cancer (CRC). All reported cases carried POLE c.1270C>G (p.Leu424Val) or POLD1 c.1433G>A (p.Ser478Asn) mutations. Due to the scarcity of cases reported so far, an accurate clinical phenotype has not been defined. We aimed to assess the prevalence...
Colorectal cancer (CRC) is among the most prevalent and preventable forms of cancer worldwide, accounting for over 600,000 deaths in 2005. Both genetic and environmental factors contribute to cancer etiology and estimates suggest that at least one third of CRC has a familial component. There is increased awareness of a strong genetic component to CRC risk, with the identification of several hig...
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