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  • Title: [Effects of anticonvulsants on cellular immunity].
    Author: Okamoto Y, Shimizu K, Tamura K, Yamada M, Matsui Y, Hayakawa T, Mogami H.
    Journal: No To Shinkei; 1989 Mar; 41(3):299-304. PubMed ID: 2503016.
    Abstract:
    The effects of anticonvulsants on cellular immunity were examined in murine models. Fresh splenocytes were obtained from mice which had been intraperitoneally given 1 mg of phenytoin, 2 mg of phenobarbital, or 20mg of valproate for 28 days. The serum concentration of phenytoin, phenobarbital and valproate in these animals were 10-20 micrograms/ml, 30-40 micrograms/ml and 50-70 micrograms/ml, respectively. The proliferative response of splenocytes to mitogens was assessed by 3H-thymidine incorporation. The cytotoxic activities of cells such as natural killer (NK) cells, cytotoxic T lymphocytes (CTL), and lymphokine-activated killer (LAK) cells were estimated by a 4 hr-51Cr release assay. Phenytoin suppressed lymphocyte proliferation, NK activity, and CTL activity, but never LAK activity. Phenobarbital suppressed proliferative response to rIL-2 and CTL activity, but did not suppress NK activity nor LAK activity. In turn sodium pyruvate never suppressed any activity on cellular immunity.
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