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Suppression of Efferent Limb of Testicular Autoimmune Response by a Regulatory CD4+ T Cell Line in Mice

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Date 1992 Mar 1
PMID 1347494
Citations 8
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Abstract

A murine T cell line (designated as C.Ts) as a mediator of suppression of experimental autoimmune orchitis (EAO) was established. The method of establishment of C.Ts cell line was preparing spleen cells from C3H/He mice hyperimmunized with testicular germ cells (TC) and the repeated selection of the lymphocytes in vitro by stimulation with mouse testicular antigens (mTA). The C.Ts cells were Thy1.2+, surface immunoglobulin-, CD3+, CD4+ and CD8-. The cells could suppress the induction of EAO when transferred into actively EAO-sensitized mice only at the pre-clinical stage of the disease (efferent limb of the autoimmune response). The transferred C.Ts cells significantly inhibited both cellular and humoral immune responses to TC in the recipients in an antigen-specific manner. The disease suppression by C.Ts cells was found to depend upon their cell number, and their suppressive activity was markedly augmented by in vitro stimulation with mTA.

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