然后分析这些男人和女人的DNA，特别是查看组成一部分免疫系统的基因，即人们所知的主要组织相容性复合物（MHC）。
He then analysed the men's and women's DNA, looking in particular at the genes that build a part of the immune system known as the major histocompatability complex (MHC).
研究人员的研究集中在检测主要组织相容性复合物（MHC）上，它能结合特定的抗原决定簇并且它是触发免疫系统攻击感染细胞的钥匙。
The researchers focused their testing on the Major Histocompatibility Complex (MHC), which binds to certain epitopes and is key to triggering the immune system to attack a virus-infected cell.
主要组织相容性复合物（MHC）是由紧密连锁的高度多态的基因位点所组成的染色体上的一个遗传区域，它在脊椎动物机体的免疫系统中发挥着非常重要的作用。
MHC is a chromosomal region consisting of a group of closely linked loci which are highly polymorphic, and plays a central role in the immune system.
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