NK cells and human pregnancy--an inflammatory view.

For several years, reproductive immunology has been dominated by the 'Th1/Th2' hypothesis, in which the fetus avoids maternal T-cell rejection through a bias towards T-helper (Th)2 cytokine production. The discovery that normal pregnancy is a controlled state of inflammation, at an early s...

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Main Authors: Sargent, I, Borzychowski, A, Redman, C
Format: Journal article
Language:English
Published: 2006
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author Sargent, I
Borzychowski, A
Redman, C
author_facet Sargent, I
Borzychowski, A
Redman, C
author_sort Sargent, I
collection OXFORD
description For several years, reproductive immunology has been dominated by the 'Th1/Th2' hypothesis, in which the fetus avoids maternal T-cell rejection through a bias towards T-helper (Th)2 cytokine production. The discovery that normal pregnancy is a controlled state of inflammation, at an early stage at the implantation site and also later systemically, has challenged this concept, as has the finding that the predominant immune interactions in the decidua are between the placental trophoblast and maternal natural killer (NK) cells instead of T cells. Here, we extend this concept to the interaction between the trophoblast and NK cells in the maternal circulation. We suggest novel ways in which the trophoblast might stimulate the maternal systemic inflammatory response, and how dysfunctional NK-cell activation could result in the maternal syndrome of pre-eclampsia.
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spelling oxford-uuid:ba8e20a1-2ce7-4d2d-9ed4-dd48ec58b5412022-03-27T05:10:41ZNK cells and human pregnancy--an inflammatory view.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ba8e20a1-2ce7-4d2d-9ed4-dd48ec58b541EnglishSymplectic Elements at Oxford2006Sargent, IBorzychowski, ARedman, CFor several years, reproductive immunology has been dominated by the 'Th1/Th2' hypothesis, in which the fetus avoids maternal T-cell rejection through a bias towards T-helper (Th)2 cytokine production. The discovery that normal pregnancy is a controlled state of inflammation, at an early stage at the implantation site and also later systemically, has challenged this concept, as has the finding that the predominant immune interactions in the decidua are between the placental trophoblast and maternal natural killer (NK) cells instead of T cells. Here, we extend this concept to the interaction between the trophoblast and NK cells in the maternal circulation. We suggest novel ways in which the trophoblast might stimulate the maternal systemic inflammatory response, and how dysfunctional NK-cell activation could result in the maternal syndrome of pre-eclampsia.
spellingShingle Sargent, I
Borzychowski, A
Redman, C
NK cells and human pregnancy--an inflammatory view.
title NK cells and human pregnancy--an inflammatory view.
title_full NK cells and human pregnancy--an inflammatory view.
title_fullStr NK cells and human pregnancy--an inflammatory view.
title_full_unstemmed NK cells and human pregnancy--an inflammatory view.
title_short NK cells and human pregnancy--an inflammatory view.
title_sort nk cells and human pregnancy an inflammatory view
work_keys_str_mv AT sargenti nkcellsandhumanpregnancyaninflammatoryview
AT borzychowskia nkcellsandhumanpregnancyaninflammatoryview
AT redmanc nkcellsandhumanpregnancyaninflammatoryview