We studied the effect of 1-methyl-D-tryptophan, an inhibitor of indoleamine-2,3-dioxygenase, on the growth of transplanted hepatocarcinoma-29 in C3HA mice. Hepatocarcinoma-29 transplanted into the thigh muscles undergoes immunological rejection in more than 50% non-syngeneic recipients. Chronic local administration of 1-methyl-D-tryptophan promotes progressive growth of the tumor in recipient mice leading to 100% animal death. The stimulating effect of 1-methyl-D-tryptophan on tumor growth is discussed.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 149, No. 5, pp. 559–561, May, 2010
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Vasil’eva, E.D., Nikolin, V.P., Popova, N.A. et al. Inhibitor of Indoleamine-2,3-Dioxygenase 1-Methyl-D-Tryptophan Can Stimulate the Growth of Immunogenic Tumors. Bull Exp Biol Med 149, 625–627 (2010). https://doi.org/10.1007/s10517-010-1009-x
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DOI: https://doi.org/10.1007/s10517-010-1009-x