HLA-G and its role in solid organ transplants

  • Jorge Andrés Becerra Romero Magister en Ciencias Básicas Biomédicas, Cirujano de Trasplantes de Órganos Abdominales, Hospital San Vicente Fundación Rionegro, Medellín, Colombia
Keywords: human leukocyte antigen G, organ transplant, survival

Abstract

Solid organ transplantation has been considered the ultimate goal for some end-stage chronic diseases, however, HLA incompatibilities between the donor and the recipient may allow the alloresponse to become deleterious for the transplanted organ, a response that can be both innate and adaptive.

HLA-G has been identified as a natural tolerance-inducing molecule mainly in pregnancy and is considered a non-classical HLA class I molecule; however, it shares some structural characteristics with classic HLA. HLA-G genes are characterized by having a limited polymorphism and a cellular and tissue distribution restricted to the fetal trophoblast and thymic epithelial cells, among others. The persistent search for tolerance in organ transplants has allowed a specific study of HLA-G, as a therapeutic possibility to increase grafts and transplant patient’s survival; for this reason we carried out review of this molecule to stimulate research and understanding of its functions.

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Published
2022-03-17
How to Cite
1.
Becerra Romero JA. HLA-G and its role in solid organ transplants. Rev Nefrol Dial Traspl. [Internet]. 2022Mar.17 [cited 2024Jul.27];42(1):83-7. Available from: http://revistarenal.org.ar/index.php/rndt/article/view/761
Section
Review Article