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THF-γ2, a thymic hormone, increases immunocompetence and survival in 5-fluorouracil-treated mice bearing MOPC-315 plasmacytoma

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Summary

The effect of the thymic hormone, THF-γ2, on the immunocompetence of 5-fluorouracil (5-FU)-treated BALB/c mice, bearing MOPC-315 tumor, was examined. Treatment of noninoculated or tumor-bearing mice with THF-γ2 after 5-FU injection, resulted in an increase in the antibody response to sheep red blood cells and in the allogeneic response in spleen cell cultures and had no effect on the concanavalin-A-induced interleukin-2 secretion beyond that caused by 5-FU alone. Treatment with either 5-FU alone or 5-FU and THF-γ2 resulted in restoration to normal values of Lytl- and L3T4-positive populations in tumor-bearing mice. THF-γ2 prolonged the survival time of mice bearing MOPC-315 tumor beyond that observed in mice treated with 5-FU alone.

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Ophir, R., Pecht, M., Halperin, D. et al. THF-γ2, a thymic hormone, increases immunocompetence and survival in 5-fluorouracil-treated mice bearing MOPC-315 plasmacytoma. Cancer Immunol Immunother 30, 119–125 (1989). https://doi.org/10.1007/BF01665963

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