Chaouat G, Tranchot Diallo J, Volumenie JL, Menu E, Gras G, Delage G, Mognetti B. Immune suppression and Th1/Th2 balance in pregnancy revisited: a (very) personal tribute to Tom Wegmann.
Am J Reprod Immunol 1997;
37:427-34. [PMID:
9228297 DOI:
10.1111/j.1600-0897.1997.tb00255.x]
[Citation(s) in RCA: 77] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
PROBLEM
The paradigm of local suppression necessary to understand the survival of the fetal allograft is often compared with the host-tumor relationship.
METHODS
We investigated two components of local immune suppression: placenta-induced immunosuppression, which is mediated at least in part by a soluble factor of low molecular weight that can induce anergy in lymphocytes, and interleukin-10 (IL-10).
RESULTS
We show that enhancement of IL-10 production in the decidua and placenta after alloimmunization requires the presence of Asialo GM1+ cells. Placenta-induced immunosuppression is linked with defects in phosphorylation of some components of the T cell receptor.
CONCLUSION
NK cells could be in fact regulatory cells pushing maternal immune response toward a Th2 profile, beneficial for fetal survival, or toward a Th1 type of immune response, which acts in synergy. Modulation of TcR may represent a new mechanism for maternal-fetal tolerance.
Collapse