所有这些人都携带着人类白细胞抗原(HLA)-B57基因，现在，来自麻省理工和哈佛的研究者在麻省理工总医院雷根研究所发现了HLA-B57令HIV自然免疫的新机理。

Now a team of researchers from the Ragon Institute of Massachusetts General Hospital, MIT and Harvard has revealed a new effect that contributes to this gene’s ability to confer immunity.

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由遗传基因控制的人类白细胞抗原，经由免疫系统决定人体气味的特征。

The heredity gene controls the human leukocyte antigen and deciding the characteristic of the human body odor by the immune system.

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DNA编码的部分，即人体白细胞抗原(HLA)在人类抵抗疾病的免疫系统中扮演着重要角色。

This part of DNA codes the so-called Human Leukocyte Antigen (HLA) that plays a crucial role in our body's immune system defenses against diseases.

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