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Cytokine-mediated or direct effects of thymulin on the nervous system as assessed by pain-related behavior
Plain-language summary
Paraphrased from the published abstract below — not a verdict on whether anything works.
This report reviews experimental findings on thymulin, a thymic hormone with immunomodulatory activities, and its effects on pain-related behavior in rats. The abstract describes analgesic actions of thymulin (high doses) in rats with endotoxin-induced localized inflammation and hyperalgesic actions (low doses) in intact animals, and states these actions involve both proinflammatory cytokines and PGE2. The authors discuss the possibility of a dual role for thymulin as a hormone that might also have a direct effect on the nervous system.
Abstract
Thymulin is a thymic hormone with known immunomodulatory activities. Recent evidence has indicated a signaling role for this peptide in the interaction between the immune, endocrine and the nervous system. In this report, we review recent experimental findings on the analgesic actions of thymulin (high doses) in rats with endotoxin-induced localized inflammation and the hyperalgesic actions (low doses) of this peptide in intact animals. These actions involve both proinflammatory cytokines and PGE2. The possibility of a dual role played by thymulin as a hormone that might also involve a direct effect on the nervous system is discussed.
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