摘要
目的利用PCR-RFLP及测序法分析青海地区回、汉族胎膜早破孕妇MMP-3rs35068180、-8 rs11225395基因多态性特点及是否具有民族差异性。方法提取胎膜早破孕妇和对照组组织DNA,利用PCR-RFLP及琼脂糖凝胶电泳、测序法检测基因多态性,并行相关性分析。结果 MMP-3 rs35068180A/A、A/Del、Del/Del基因型频率在汉族对照组和胎膜早破组中分别是80.53%、17.70%、1.77%和100.00%、0.00%、0.00%,两组基因型频率分布具有显著差异性(P=0.000);在回族中分别是81.61%、16.09%、2.30%和100.00%、0.00%、0.00%,两组基因型频率呈现显著差异性(P=0.003)。MMP-8 rs11225395三种基因型A/A、A/G、G/G在汉族对照组和胎膜早破组中基因型频率分别为17.14%、31.43%、51.43%和14.16%、57.52%、28.32%,两组相比,基因型频率分布具有显著性差异(P=0.002);回族对照组和胎膜早破基因型频率分布分别为17.24%、32.76%、50.00%和14.94%、57.47%、27.59%,两组基因型频率相比具有显著性差异(P=0.009)。结论 MMP-3 rs35068180、-8 rs11225395基因多态性在青海汉族、回族胎膜早破者间无民族差异性。同时,青海汉族、回族对照组和胎膜早破组中MMP-3 rs35068180、-8 rs11225395基因频率分布差异无统计学意义。
Objective To analyze the polymorphism of matrix metalloprotease-3(MMP-3) rs35068180 and-8 rs11225395 gene in pregnant women with premature rupture of membranes in Han-and Hui-Chinese in Qinghai province by PCR-RFLP and sequencing. Methods Genome DNA was extracted from preterm premature rupture of membranes and control group.The polymorphism of the gene was analyzed by PCR-RFLP,agarose gel electrophoresis and sequencing. Results The frequency of MMP-3 rs35068180 A/A,A/Del,Del/Del genotype was 80. 53%,17.70%,1.77% and 100.00%,0.00%,0.00%,respectively,in the Han control and the premature rupture of membranes groups,the genotype frequency was significantly different between two groups(P = 0.000).Meanwhile the frequency of genotype was 81.61%,16.09%,2.30% and 100.00%,0.00%,0.00%,respectively,in the control and the premature rupture of membranes group in Hui Chinese,and the genotype frequency was obviously different between two groups(P = 0. 003). The frequency of MMP-8 rs11225395 A/A,A/G,G/G genotype was 17. 14%,31. 43%,51.43% and 14.16%,57. 52%,28. 32%,respectively,in the Han control and the premature rupture of membranes groups,the genotype frequency was significantly different between two groups(P = 0.002).Meanwhile the frequency of genotype was 17.24%,32.76%,50.00% and 14.94%,57.47%,27.59%,respectively,in the control and the premature rupture of membranes group in Hui Chinese,and the genotype frequency was obviously different between two groups(P = 0.009).Conclusion The polymorphisms of MMP-3 rs35068180 and-8 rs11225395 may be related to the premature rupture of membranes in Qinghai Han and Hui Chinese pregnant women. Meanwhile,the allele frequencies of MMP-3 rs35068180 and-8 rs11225395 were not specific between Han and Hui nationality.
引文
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