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J Reprod Immunol. 2010 May;85(1):40-6. doi: 10.1016/j.jri.2010.02.004. Epub 2010 Mar 30.

Interaction between HLA-G and monocyte/macrophages in human pregnancy.

Author information

1
Department of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, Essex CO4 3SQ, United Kingdom.

Abstract

Several lines of evidence suggest that the human leukocyte antigen (HLA)-G play a key role in the regulation of human pregnancy. A sub-population of cells highly represented at the decidua belong to the myeloid-derived monocyte/macrophage lineage, which potentially interact with HLA-G expressing cells. It is proposed that HLA-G protects decidual trophoblasts from lysis by blocking the effector function of decidual monocyte/macrophages. The interaction between HLA-G and monocyte/macrophages may therefore contribute to a successful pregnancy. Here we examine existing knowledge on the convergent role of HLA-G and monocyte/macrophages in pregnancy and define the synergy that exists between these two elements in the decidua. Key features of the HLA-G gene product are discussed followed by the main characteristics of decidual monocyte/macrophages. A hypothetical model for the interaction between HLA-G and monocyte/macrophage cells at the fetal-maternal interface is proposed.

PMID:
20356631
DOI:
10.1016/j.jri.2010.02.004
[Indexed for MEDLINE]

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