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基因组DNA以BglⅡ、XbaⅠ限制性内切酶消化,用phGT_(22)为探针杂交,分别得到7.8kb(B_1)、6.2kb(B_2)片断和6.3kb(X_1)、6.0kb(X_2)片断。上海中国人等位基因频率NIDDM组B1、B2为89%和11%,对照组B1、B2为90%和10%,旧金山中国人NIDDM B1、B2为91%和9%,X1、X2为24%和76%,对照组B1、B2为93%和7%,X1、X2为20%和80%。上海中国人与旧金山中国人NIDDM与对照组全组及体重指数亚组差异均无显著性,同样AC、TG亚组间差异亦无显著性。在人种差异分析中,BglⅢ/GLUT色人与黑人组、中国人与黑人组差异均有显著性(x~2=10.07,P<0.01;x~2=9.83,P<0.01)。
The genomic DNA was digested with restriction endonucleases BglII and XbaI, and the fragments of 7.8kb (B_1), 6.2kb (B_2) and 6.3kb (X_1) and 6.0kb (X_2) were obtained by phGT_ (22) . In Shanghai, the frequency of allele B1, B2 was 89% and 11% in the NIDDM group, 90% and 10% in the control group B1 and B2, 91% and 9% for San Francisco Chinese NIDDM B1 and B2, and X1 and X2 were 24 % And 76% respectively. The control groups B1 and B2 were 93% and 7%, X1 and X2 were 20% and 80% respectively. There was no significant difference between Shanghai NIDDM Shanghai group and the control group and the body mass index subgroups of Shanghai Chinese and San Francisco Chinese. There was no significant difference between AC subgroups and TG subgroups. In the analysis of ethnic differences, there was significant difference between BglⅢ / GLUT color human and black group, Chinese and black group (x ~ 2 = 10.07, P <0.01; x ~ 2 = 9.83, P <0.01).