汉族人HLA-G基因多态性与胃癌相关性研究

目的探讨汉族人HLA-G基因多态性与胃癌相关性方法将123例胃癌患者作为研究对象(经过病理学确诊为胃癌的患者),同时选取同期健康体检患者150例作为对照组。采用聚合酶链反应序列特异性引物方法(PCR SSP)对以上患者的HLA-G和HLA-DRB1等位基因亚型进行检测,观察2组患者HLA-G和HLA-DRB1等位基因亚型分布频率。结果与对照组比较,观察组中HLA-DRB1*03和HLA-DRB1*15检出率显著高于对照组(P0.05),且RR分别为1.427和2.209;2组HLA-G*01012分布存在显著差异(P0.05),且RR值为1.75。结论胃癌发生可能与HLA-G*01012、HLA-DRB1-03和HLA-DRB1-15等位基因频率有较强的相关性,且均为保护性基因。

Correlation between HLA-G gene polymorphism and gastric cancer in Han nationality

Objective To explore the correlation between HLA-G gene polymorphism and gastric cancer in Han nationality.Methods A total of 123 gastric cancer patients in our hospital as the research objects (confirmed as gastric carcinoma by pathological diagnosis).At the same time,a total of 150 healthy controls were selected in our hospital,HLA-G and HLA-DRB1 allele subtypes were detected by polymerase chain reaction sequence specific primers (PCR SSP) detection method,and the allele distribution frequencies of subtypes of HLA-G and HLA-DRB1 were observed and analyzed.Results Compared with the control group,the observation group had higher detection rate in HLA-DRB1 * 03 and HLA-DRB1 * 15 (P ＜ 0.05),and RR were 1.427 and 2.209,respectively.And there were significant differences in HLA-G * 01012 distribution in two groups (P ＜ 0.05).Conclusion The incidence of gastric cancer may possibly correlated with HLA-G * 01012,HLA-DRB1-03 and HLA-DRB1-15 frequencies,and they are all protective genes.