alexa Polysaccharides of Ganoderma lucidum alter cell immunophenotypic expression and enhance CD56+ NK-cell cytotoxicity in cord blood.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Proteomics & Bioinformatics

Author(s): Chien CM, Cheng JL, Chang WT, Tien MH, Tsao CM,

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Abstract In our previous study, a fucose-containing glycoprotein fraction (F3), isolated from the water-soluble extracts of Ganoderma lucidum, was shown to stimulate mice spleen cell proliferation and cytokine expression. We now further investigate the effect of F3 on the immunophenotypic expression in mononuclear cells (MNCs). When human umbilical cord blood (hUCB) MNCs were treated with F3 (10-100 microg/mL) for 7days, the population of CD14+CD26+ monocyte/macrophage, CD83+CD1a+ dendritic cells, and CD16+CD56+ NK-cells were 2.9, 2.3, and 1.5 times higher than those of the untreated controls (p<0.05). B-cell population has no significant change. T cell growth was, however, slightly inhibited and CD3 marker expression decreased approximately 20\% in the presence of higher concentrations of F3 (100 microg/mL). We also found that F3 is not harmful to human cells in vitro, and after F3 treatment, NK-cell-mediated cytotoxicity was significantly enhanced by 31.7\% (p<0.01) at effector/target cell ratio (E/T) 20:1, but was not altered at E/T 5:1. This article was published in Bioorg Med Chem and referenced in Journal of Proteomics & Bioinformatics

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