Induction of gene expression for immunomodulating cytokines in peripheral blood mononuclear cells in response to orally administered PSK, an immunomodulating protein-bound polysaccharide

The protein-bound polysaccharide extracted from a fungus, PSK, has been used as a biological response modifier in the treatment of cancer patients in Japan for over 16 years. The administration of PSK to tumor-bearing rodents inhibited tumor growth and modulated immune responses. Recently, an in vit...

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