Abstract:
:MicroRNAs are a new class of non-proteincoding, small RNAs that function as tumor suppressors or oncogenes. They participate in diverse biological pathways and function as gene regulators. A G>C polymorphism (rs2910164), which is located in the sequence of miR-146a precursor, results in a change from G:U to C:U in its stem region. However, it remains largely unknown whether this single nucleotide polymorphism (SNP) may alter esophageal squamous cell carcinoma (ESCC) susceptibility. In the current study, we evaluated association between rs2910164 and ESCC susceptibility in a case-control study of 444 sporadic ESCC patients and 468 matched cancer-free controls in a Chinese Han population. Compared with rs2910164 variant genotype CC, genotype GG was associated with increased risk of ESCC (Odds Ratio, 2.39, 95% Confidence Interval, 1.36-4.20). In the smokers, the risk of rs2910164 GG genotype was more notable (Odds Ratio, 3.17, 95% Confidence Interval, 1.71-4.46). In the stratification analyses, we also found there was a strong correlation between rs2910164 C/G variant and the clinical TNM stage (P < 0.01). These findings suggest that this functional SNP in pre-miR-146a could contribute to ESCC susceptibility and clinical outcome.
journal_name
Fam Cancerjournal_title
Familial cancerauthors
Guo H,Wang K,Xiong G,Hu H,Wang D,Xu X,Guan X,Yang K,Bai Ydoi
10.1007/s10689-010-9370-5subject
Has Abstractpub_date
2010-12-01 00:00:00pages
599-603issue
4eissn
1389-9600issn
1573-7292journal_volume
9pub_type
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