期刊
INTERNATIONAL JOURNAL OF GYNECOLOGICAL CANCER
卷 22, 期 3, 页码 442-446出版社
BMJ PUBLISHING GROUP
DOI: 10.1097/IGC.0b013e31823fabab
关键词
Endometrial cancer; K-ras; SMAD4
资金
- Ministry of Education and Science of Serbia [173008]
Objective: This study was aimed at analyzing alterations in K-ras gene and SMAD4 gene promoter in endometrial carcinoma tissue in Serbian patients. Methods/Materials: The study has encompassed 36 patients whose endometrial cancer tissue samples and peripheral blood samples were analyzed for the presence of alterations in the K-ras gene and the SMAD4 gene promoter. The detection of K-ras codon 12 mutation was performed by polymerase chain reaction restriction fragment length polymorphism technique. Analysis of mononucleotide repeat variants at -462T(15) and -4T(12) of the SMAD4 gene promoter was performed by capillary electrophoresis analysis of DNA fragments fluorescently labeled by polymerase chain reaction. Results: Mutation in codon 12 of the K-ras gene was detected with relatively high frequency of 75.0% (27 of 36 cases). Analysis of 2 mononucleotide repeats in the SMAD4 gene promoter showed that in most cases, haplotypes -462T(15)/-4T(12) and -462T(16)/-4T(12) were present; whereas in one case, a novel haplotype - 462T( 15)/- 4T( 10) was detected. Conclusions: Findings on the role and potential significance of the K-ras codon 12 mutation and SMAD4 gene promoter variants in patients with endometrial carcinoma remain controversial, and their occurrence in this type of cancer should be further investigated.
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