also: エッチエルエーこうげん
Medical term for proteins on cell surfaces that help the immune system distinguish self from non-self; important in organ transplantation and disease association.
臓器移植の前に、患者とドナーのＨＬＡ抗原の適合性を調べます。
Before organ transplantation, the compatibility of the patient's and donor's HLA antigens is checked.
特定のＨＬＡ抗原
It is known that certain HLA antigens are associated with autoimmune diseases.
From English 'HLA' (human leukocyte antigen) + 抗原 (antigen). The term is a direct borrowing of the medical acronym.