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  • Title: [Modulation of suppressor activity by thymosin].
    Author: Cupissol D, Thierry C, Serrou B.
    Journal: C R Seances Soc Biol Fil; 1981; 175(2):235-41. PubMed ID: 6454471.
    Abstract:
    Modulation of suppressor cell activity by thymosin was evaluated in vivo in a murine tumor system, and in vitro on human lymphocytes. We showed that splenocytes from tumor bearing mice were able to enhance tumor growth in a syngeneic system. This enhancement was T dependent and disappeared by Thymosin treatment. A decrease of Tumor size associated with injection of bone marrow cells treated by thymosin was observed. In the human system we showed that ConA stimulated lymphocytes were able to suppress the response of normal lymphocytes to PHA, PWM and ConA, and in MLC. This effect was significantly blocked in presence of thymosin fraction 5.
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