PCR-SSCP-DNA sequencing method in detecting PTEN gene mutation and its significance in human gastric cancer

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Mutation in D-loop region of mitochondrial DNA in gastric cancer and its significance.

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Detecting p53 gene mutation of breast cancer and defining differences between silver staining PCR-SSCP and immunohistochemical staining.

This study detects and defines the patterns of p53 gene mutations in breast cancers. We analyse p53 gene mutations through comparing the results of single-strand-conformation-polymorphism (SSCP) and immunohistochemistry (IHC), and we try to define the differences between the results of SSCP and IHC. Twenty-seven fresh primary breast cancer tissues and eight normal breast tissues were studied. T...

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PTEN Gene Expression and Its Association with rs10490920 SNP in Breast Cancer

Introduction: The PTEN gene, also known as MMAC1 or TEP1, is a tumor suppressor gene. One of the important polymorphisms of this gene is the rs10490920 SNP. The purpose of this study was to determine the PTEN gene expression and its relation to changes in rs10490920 polymorphism in breast cancer. Methods: In this study, 40 breast cancer patients and 10 healthy controls were considered. The expr...

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Clinical Significance of a Point Mutation in DNA Polymerase Beta (POLB) Gene in Gastric Cancer

Gastric cancer (GC) is a major cause of global cancer mortality. Genetic variations in DNA repair genes can modulate DNA repair capability and, consequently, have been associated with risk of developing cancer. We have previously identified a T to C point mutation at nucleotide 889 (T889C) in DNA polymerase beta (POLB) gene, a key enzyme involved in base excision repair in primary GCs. The purp...

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ژورنال

عنوان ژورنال: World Journal of Gastroenterology

سال: 2008

ISSN: 1007-9327

DOI: 10.3748/wjg.14.3804