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World J Gastroenterol. 2006 Feb 14;12(6):951-5.

Absence of MutY homologue mutation in patients with multiple sporadic adenomatous polyps in Korea.

Author information

  • 1Department of Medicine, Kyung Hee University School of Medicine, #1 Hoegi-Dong, Dongdaemun-Gu, Seoul 130-702, Korea.

Abstract

AIM:

Recently, germ-line mutation in the base excision repair gene MYH has been identified to cause a novel autosomal recessive form of familial adenomatous polyposis (FAP). Interestingly, a striking evidence for MYH mutations within different ethnic groups has been demonstrated. In this study, we screened 30 patients with multiple adenomatous polyps for MYH mutations to assess its prevalence and ethnic specificity in Korea.

METHODS:

Thirty patients (21 men and 9 women; mean age 62.3 years) with multiple adenomatous polyps were examined for MYH mutations. The mean number of adenomas per patient was 10.0. Sixteen exonic regions and their intronic sequences were amplified by PCR and subjected to SSCP and DNA sequencing analyses.

RESULTS:

None of the patients was identified to carry any truncating or sequence alterations in MYH. Our screening for the mutational regions, which were recognized from Caucasian patients or affected Indian families, also failed to detect sequence substitutions.

CONCLUSION:

Mutation in MYH may be rarely involved in the pathogenesis of multiple sporadic colorectal adenomas in Korean population, although a large-scale analysis will be required to clarify the presence of specific MYH variants in a subset of patients and their role in the predisposition of multiple colorectal adenomas in Korean population.

PMID:
16521226
[PubMed - indexed for MEDLINE]
PMCID:
PMC4066163
Free PMC Article

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