Immunology: why the baby isn't thrown out....
The reason the maternal immune system does not reject a foetus may involve the downregulation of T-cell receptors specific for paternal antigens. A similar mechanism may help explain the remission seen in autoimmune patients during pregnancy.
Simpson
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Transplantation Biology Group, Hammersmith Hospital, UK.
D000818:Animals; D015536:Down-Regulation; D006801:Humans; D007108:Immune Tolerance / Q000276:immunology*; D011948:Receptors, Antigen, T-Cell / Q000276:immunology*
D011948:Receptors, Antigen, T-Cell