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find Keyword "T cel,lVaccination,Apoptosis,Immune tolerance" 1 results
  • An Investigation of the Relationship Between Peripheral T Cell Apoptosis and Specific Immune Tolerance Induced by T Cell Vaccination

    ObjectiveTo investigate the relationship between peripheral T cell apoptosis and specific immune tolerance induced by T cell vaccination(TCV). MethodsT cell vaccinations were made from the spleen cells of SD rats, which were induced by ConA and were challenged with the spleen cells of Wistar rats. Normal SD rats were vaccinated intraperitoneally with TCV (experimental group) or RPMI 1640 culture buffer (control group) respectively .Oneway mixed lymphocyte reaction (MLR) were performed,the apoptosis of peripheral T cell were assayed using flow cytometric analysis before and after vaccination.ResultsIn experimental group, the result of MLR showed that the response captivity of SD rat spleen cells were suppressed significantly after vaccination in comparison with prevaccination (Plt;0.01) and the percentage of peripheral T cell apoptosis was increased significantly after vaccination compared with prevaccination (Plt;0.01); In control group, there was no significant difference between prevaccination and postvaccination about MLR and peripheral T cell apoptosis. ConclusionT cell vaccination is capable of inducing Agspecific immune tolerance, the T cell apoptosis of peripheral blood induced by T cell vaccination may result in the depletion of Agspecific reactive T cells, which is vital in inducing specific immune tolerance.

    Release date:2016-08-28 04:49 Export PDF Favorites Scan
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