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RU 41.740 is extract of Klebsiella pneumoniae K2O1 stain with immunomodulatory properties. It was composed of two glycoproteins, each being 31 KD and 33 KD in their molecular weight, on SDS-PAGE analysis. RU 41.740 was observed to augment cell mediated immunity of human peripheral blood mononulear cells measured by tritiated thymidine uptake method. Maximal augmentation was observed after 72 hours... |