Stress-induced reduction in the rat mixed lymphocyte reaction is due to macrophages and not to changes in T cell phenotypes.

Abstract excerpt

Exposure to aversive events or stressors modulates various aspects of immune function. We have previously reported that exposure to an acute stressor, inescapable tail shock (IS), resulted in a shift in T cell subpopulations in rat mesenteric lymph nodes but not in cervical lymph nodes (Fleshner et al. (1992) J. Neuroimmunol. 41, 131-142). The mesenteric CD4+/CD8+ ratio was increased immediately after exposure to...

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