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  • Modification of mitogen-dri...
    Jimenez-Valera, Maria; Moreno, Encarnacion; Amat, Maria Angeles; Ruiz-Bravo, Alfonso

    International journal of antimicrobial agents, 12/2003, Letnik: 22, Številka: 6
    Journal Article

    Cyclophosphamide-treated mice are proposed as a model to assay immunomodulation by antimicrobial agents in immunocompromised animals. Cyclophosphamide-treated BALB/c mice developed temporary leukopenia, myelopenia and spleen atrophy that was followed by splenomegaly. Cells from both atrophic and hypertrophic spleens exhibited impaired responses to mitogens and suppressed the mitogen-driven proliferation of normal splenocytes. This experimental model was applied to the study of immunomodulation by ceftriaxone. Ceftriaxone did not worsen the cyclophosphamide-damaged immunity mechanisms. On the contrary, cyclophosphamide-induced suppression of lymphoproliferation in response to concanavalin A was attenuated by ceftriaxone.