One really important group of genes involved in regulation of the immune response is the human leukocyte antigen system, or HLA system.

一组涉及调节免疫反应的重要基因叫作人体白细胞抗原系统，或HLA系统。

They would need to have a close enough human leukocyte antigen or HLA match to maximise the chances the transplant would work - as well as the rare genetic abnormality conferring HIV resistance.

他们需要有足够接近的人类白细胞抗原或 HLA 匹配，以最大限度地提高移植成功的机会——以及罕见的遗传异常导致 HIV 耐药。