说明ACS患者急性冠状动脉内血栓形成有遗传因素参与，而且A等位基因可能是ACS的一个危险因子。
The a allele frequency in patients with ACS was significantly higher and the a allele gene may be a risk factor for ACS.
目前可通过计算相对危险因子来判断HLA等位基因的频率。
For present, frequency of allelic gene of HLA can be judged by calculating the relative hazard factor.
因为这两个基因的附属作用，即使携带了因子h的一个危险性突变，因子b的一个保护性突变也可以对抗amd。反之亦然。
Because of the complementary roles of the these two genes, a protective Factor B variation can protect against AMD, even if one carries a risk-increasing variant of Factor h, and vice versa.
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