Research paper
Sigma-1 receptors modulate functional activity of rat splenocytes

https://doi.org/10.1016/0165-5728(95)00032-WGet rights and content

Abstract

Neuroleptics, opiates, and cocaine are commonly prescribed for or abused by humans. Although primarily used for their actions at other receptors in brain, these compounds also act at sigma receptors. We have previously identified sigma-1 receptors on human peripheral blood leukocytes and rat spleen, and in the present study we demonstrate a correlation between the pharmacology of these receptors and the ability of drugs to suppress concanavalin A-induced splenocyte proliferation. These results support the hypothesis that sigma-1 receptors regulate functional activities of immune cells, and suggest that sigma agonists may cause changes in immune competence in vivo.

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