Human leukocyte antigens and fetal microchimerism: Relating fetal-origin cells in maternal circulation to maternal and fetal HLA genetics.

Abstract excerpt

Fetal microchimerism denotes the presence of small amounts of fetal cells within the mother, which may persist for decades after pregnancy. The mechanisms by which these semiallogeneic cells avoid alloreactivity and manage to persist for years within the host are unknown. Previous reports have linked microchimerism to human leukocyte antigen (HLA) variants, such as HLA-C groups based on killer cell...

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