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pubmed:abstractText |
The efficacy of 6-O-QS-10-N-acetyl muramyl-L-valyl-D-isoglutamine methyl ester (quinonyl-MDP-66) for restoring impaired immune status was examined in mice bearing Lewis lung carcinoma. Quinonyl-MDP-66 suspended in phosphate-buffered saline was shown to restore the depressed allogeneic cell-mediated cytotoxicity of spleen cells from mice with Lewis lung carcinoma when the chemical was injected twice intraperitoneally, intravenously, or intratumorally. However, primary tumor size and the numbers of lung metastases were not affected when quinonyl-MDP-66 was administered under the present experimental conditions. Intraperitoneal injection of quinonyl-MDP-66 in mice with Lewis lung carcinoma enhanced host resistance to Listeria monocytogenes infection.
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