Effector and regulatory cells in autoimmune oophoritis elicited by neonatal thymectomy - PubMed (original) (raw)
. 1991 Nov 1;147(9):2928-33.
Affiliations
- PMID: 1717580
Effector and regulatory cells in autoimmune oophoritis elicited by neonatal thymectomy
H Smith et al. J Immunol. 1991.
Abstract
(C57BL/6 x A/J)F1 (B6AF1) mice thymectomized between days 1 and 4 of age develop autoimmune oophoritis (D3TX oophoritis) 4 to 6 wk later. Oophoritis can be adoptively transferred to young recipients, and the disease in D3TX mice is prevented by reconstitution with normal adult spleen cells. The present study was further defined the nature of the effector and suppressor cells. Contrary to an earlier report, oophoritis is transferred to syngeneic and not allogeneic recipients. The spleen cells from D3TX mice when stimulated in vitro with Con A, also transfer oophoritis to adult recipients. The effector cells are CD4+: oophoritis transfer is abrogated by CD4 antibody and not by CD8 antibody and C. Spleen cells from D3TX male mice transfer disease less efficiently than female cells, thus endogenous ovarian Ag may be required for activation of effector T cells. T cells from normal adult spleen that suppress D3TX oophoritis also appear to be of CD4+ phenotype. These cells are likely to be derived from adult thymus because adult thymocytes also suppress D3TX disease. We were unable to substantiate the earlier claim that suppressor cells in normal mice are ovarian Ag specific. Thus male and female spleen cells suppress disease with comparable efficiency, and deprivation of endogenous ovarian Ag by neonatal ovariectomy of cell donors had no observable effect on disease suppression.
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