It is shown that enriching the rat diet with selenium and vitamin E augments the generation of spleen antibody-producing cells and the T-cell blast-transformation response to mitogen. The addition of selenium alone fails to affect the immune reaction; however, the addition of vitamin E alone boosts the T-cell response to mitogen. Dietary supplementation with selenium and/or vitamin E has no marked effect on the function of peritoneal macrophages or on lipid peroxidation.
Skeletal muscle disuse leads to pathological muscle activity as well as to slow-to-fast fiber-type transformation. Fast-type fibers are more fatigable than slow-type, so this transformation leads to a decline in muscle function. Prochlorperazine injections previously were shown to attenuate autonomous rat soleus muscle electrical activity under unloading conditions. In this study, we found that prochlorperazine blocks slow-to-fast fiber-type transformation in disused skeletal muscles of rats, possibly through affecting calcium and ROS-related signaling.
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