257 The impact of microsatellite instability and its correlation with p53 expression in sporadic colorectal cancer (sCRSC)
β Scribed by S. Meditskou; V. Kotoula; P. Stravoravdi; A. Barich; G. Geromichalos; Th. Toliou; K. Dimitriadis; K. Papadimitriou
- Book ID
- 118620432
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 166 KB
- Volume
- 1
- Category
- Article
- ISSN
- 1359-6349
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Defects in mismatch repair (MMR) can result in the development of a 'mutator phenotype', manifest as an increase in DNA replication errors (RERs). Patients with hereditary non-polyposis colorectal cancer (HNPCC) have germline mutations in MMR genes. These patients develop carcinomas of the colon and
In some tumors, defects in mismatch repair enzymes lead to errors in the replication of simple nucleotide repeat segments RER+ tumors. This condition is commonly known as microsatellite instability (MSI) because of the frequent mutations of microsatellite sequences. Although the MSI phenotype is wel