histocompatibility antigen


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histocompatibility antigen

n.
Any of numerous cell-surface antigens, such as the human leukocyte antigens, that identify a cell as self or nonself and determine whether a tissue graft will be accepted by a transplant recipient.

histocompatibility antigen

n
(Biochemistry) a molecule occurring on the surface of tissue cells that can take several different forms. The differences between histocompatibility antigens are inherited and determine organ transplant rejection

histocompatibil′ity an`tigen


n.
any antigen on the surface of tissue or blood cells that provokes an immune response and subsequent rejection of the tissue or cell when transplanted to an individual of a different antigenic type.
[1965–70]
References in periodicals archive ?
After the detection of bilateral sacroiliitis, testing for histocompatibility antigen HLA-B27 was done and results were positive.
NYBC's cord blood cells are homozygous, which means they have the same ABC alleles for the histocompatibility antigens and can be more easily matched with recipients for successful bone marrow and organ transplantations.
In 1982, he became a Clinical Fellow in Immunology at Stanford University, CA, where he worked on histocompatibility antigens and autoimmune disease.

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