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Association between miR-27a genetic variants and susceptibility to colorectal cancer.


ABSTRACT: BACKGROUND: MicroRNAs (miRNAs) are short, non-coding RNAs that negatively regulate target genes. A single nucleotide polymorphism (SNP) in a miRNA sequence may alter miRNA expression and/or maturation, which was proposed to associate with the development and progression of cancer. The rs895819 polymorphism, located in the terminal loop of pre-miR-27a, has been reported to have relevance to several cancers. In this study, we investigated the possibility of association between polymorphism in rs895819 and susceptibility to colorectal cancer (CRC). METHODS: We identified a single SNP, rs895819 in pre-miR-27a, for further investigation, were determined in 205 CRC patients and 455 healthy controls. RESULTS: When taking the AA genotype as a reference, we found that AG genotype was not statistically significantly associated with the risk of CRC (AG vs. AA, OR 1.245, 95% CI: 0.806 - 1.923). However, the GG genotype was significantly associated with risk of CRC (GG vs. AA, OR 1.599, 95% CI: 1.052 - 2.430). In the AG?+?GG vs GG group, no significant difference was detected (OR 1.424, 95% CI, 0.974 - 1.801). GG genotype and G allele was associated with an increased risk of metastasis in this study (P?

SUBMITTER: Wang Z 

PROVIDER: S-EPMC4261532 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Association between miR-27a genetic variants and susceptibility to colorectal cancer.

Wang Zaiqiu Z   Sun Xiaoli X   Wang Yeli Y   Liu Xiaofang X   Xuan Yuanjie Y   Hu Sanyuan S  

Diagnostic pathology 20140730


<h4>Background</h4>MicroRNAs (miRNAs) are short, non-coding RNAs that negatively regulate target genes. A single nucleotide polymorphism (SNP) in a miRNA sequence may alter miRNA expression and/or maturation, which was proposed to associate with the development and progression of cancer. The rs895819 polymorphism, located in the terminal loop of pre-miR-27a, has been reported to have relevance to several cancers. In this study, we investigated the possibility of association between polymorphism  ...[more]

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