Characterization of suppressor cells in mice with a transplantable malignant melanoma

G T Stelzer, J H Wallace


C57BL/6 mice with progressive B-16 melanoma develop a generalized immunosuppression, as measured by their lack of response to SRBC in vivo and in vitro. The severity of immunosuppression increases with the progress of the tumor, and is due to the generation of an antigen-nonspecific suppressor cell. Suppressor cells were first demonstrable 15 days after the appearance of the tumor, and their appearance correlated with the induction of immunosuppression in vivo. The suppressor cell generated by the growth of B-16 melanoma was a T lymphocyte since it was nonadherent to plastic and nylon wool, unaffected by passage through Sephadex G-10, and sensitive to treatment with rabbit antimouse brain serum and complement.


Feb 26, 2015·Toxicological Sciences : an Official Journal of the Society of Toxicology·Amer F SalehMick D Fellows

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