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http://dx.doi.org/10.7314/APJCP.2015.16.5.1939

Rs895819 within miR-27a Might be Involved in Development of Non Small Cell Lung Cancer in the Chinese Han Population  

Ma, Ji-Yong (Department of Respiration, Nanjing First Hospital, Nanjing Medical University)
Yan, Hai-Jun (Department of Respiration, Nanjing First Hospital, Nanjing Medical University)
Yang, Zhen-Hua (Department of Respiration, Nanjing First Hospital, Nanjing Medical University)
Gu, Wei (Department of Respiration, Nanjing First Hospital, Nanjing Medical University)
Publication Information
Asian Pacific Journal of Cancer Prevention / v.16, no.5, 2015 , pp. 1939-1944 More about this Journal
Abstract
MicroRNA-27a (miR-27a) is deemed to be an oncogene that plays an important role in development of various cancers, and single nucleotide polymorphism (SNP) of miR-27a can influence the maturation or aberrant expression of hsa-miR27a, resulting in increased risk of cancer and poor prognosis for non-small cell lung cancer (NSCLC). This study aimed to assess the effects of rs895819 within miR-27a on susceptibility and prognosis of NSCLC patients in 560 clinical confirmed cases and 568 healthy check-up individuals. Adjusted odds/hazard ratios (ORs/HRs) and 95% confidential intervals (CIs) were calculated to evaluate the association between rs895819 and the risk and prognosis of NSCLC. The results showed that allele A and genotype GG of rs895819 were significantly associated with an increased risk of NSCLC (38.9% vs 30.8%, adjusted OR=1.26, 95%CI=1.23-1.29 for allele G vs A; 18.1% vs 11.7%, adjusted OR=1.67, 95%CI=1.59-1.75 for genotype GG vs AA). Moreover, positive associations were also observed in dominant and recessive models (53.7% vs 49.9%, adjusted OR=1.17, 95%CI=1.13-1.20 for GG/AG vs AA; 18.1% vs 11.7%, adjusted=1.65, 95%CI=1.58-1.73). However, no significant association was found between rs895819 and the prognosis of NSCLC in genotype, dominant and recessive models. These results suggested that miR-27a might be involved in NSCLC carcinogenesis, but not in progression of NSCLC. The allele G, genotype GG and allele G carrier (GG/AG vs AA) of rs895819 might be genetic susceptible factors for NSCLC. Further multi-central, large sample size and well-designed prospective studies as well as functional studies are warranted to verify our findings.
Keywords
miR-27a; single nucleotide polymorphism; NSCLC; Chinese Han;
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