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  • Title: Effects of phenytoin administration on murine immune function.
    Author: Andrade-Mena CE, Sardo-Olmedo JA, Ramirez-Lizardo EJ.
    Journal: J Neuroimmunol; 1994 Feb; 50(1):3-7. PubMed ID: 8300855.
    Abstract:
    The results obtained in these series of experiments indicate that oral administration of phenytoin (100, 50, or 25 mg/kg) to mice significantly depressed both humoral and cellular immune responses, evaluated by the techniques of enumeration of direct and indirect spleen plaque-forming cells (PFC) and the delayed-type hypersensitivity reaction (DTH) against sheep red blood cells (SR BC), when compared with those observed in normal control animals. Furthermore, spleen cells, purified splenic T lymphocytes or Ly 2 + T cells obtained from 100 mg/kg phenytoin-treated donor mice were capable of diminishing both PFC and DTH responses of normal cells transferred into lethally irradiated mice. The immunodepressor effect of phenytoin was observed despite the fact that administration of this drug induced a rise in spleen cellularity.
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