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Indoleamine 2,3-Dioxygenase in Materno-Fetal Interaction

[ Vol. 8 , Issue. 3 ]

Author(s):

Peter Sedlmayr   Pages 205 - 208 ( 4 )

Abstract:


The mechanism of maternal immunotolerance of the semiallogeneic fetus has been a matter of intense investigation. The tryptophan- degrading enzyme indoleamine 2,3-dioxygenase (IDO) is reported to be critically implicated. This article discusses findings pertaining to the role of IDO in pregnancy, its location at the feto-maternal interface, systemic induction of IDO in pregnancy and the association of IDO to spontaneous abortion and preeclampsia. Whereas there is a large body of evidence supporting the relevance of IDO as a key immunoregulatory factor in feto-maternal tolerance, open questions remain concerning as to its role.

Keywords:

Feto-maternal tolerance, tryptophan catabolism, placenta, trophoblast, decidua, preeclampsia, spontaneous abortion

Affiliation:

Institute of Cell Biology,Histology and Embryology, Center of Molecular Medicine, Medical University of Graz, Harrachgasse 21, 8010 Graz, Austria.



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