Long-Term Treatment with a Compound Polysaccharide-Based Health Product (Infinitus Polysac Plus) Enhances Innate and Adaptive Immunity in Mice
Hoi-Yan Leung, Chung-Wah Ma, Qing Tao Tang, Kam-Ming Ko
DOI: 10.4236/cm.2011.24028   PDF   HTML     4,360 Downloads   8,171 Views   Citations


This study aimed to investigate the effects of a compound polysaccharide-based health product (Infinitus Polysac Plus, IPP) on innate and adaptive immunity in mice. Both ex vivo/in vivo mouse models and an in vitro system using cultured mouse splenocytes were adopted for the assessment of innate and adaptive immunity. For the innate immune response, long-term IPP treatment (0.26 and 0.78 g/kg * 20 doses) enhanced the carbon clearance activity and phagocytic rate of macrophages, as well as natural killer cell activity in mice. The IPP-induced increase in natural killer cell activity was accompanied by the suppression of tumor growth in Sarcoma-180 cell-inoculated mice. For the adaptive immune response, while long-term IPP treatment increased the splenocyte index in mice, IPP incubation with mouse splenocytes in vitro potentiated their concanavalin A-stimulated proliferation. Long-term IPP treatment significantly restored the hemolytic activity of serum on sheep red blood cells and dinitrofluorobenezene-induced delayed-type hypersensitivity in sensitized and immunosuppressed mice. In conclusion, the results indicate that long-term IPP treatment produces stimulatory effects on both innate and adaptive immunity in mice.

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H. Leung, C. Ma, Q. Tang and K. Ko, "Long-Term Treatment with a Compound Polysaccharide-Based Health Product (Infinitus Polysac Plus) Enhances Innate and Adaptive Immunity in Mice," Chinese Medicine, Vol. 2 No. 4, 2011, pp. 178-185. doi: 10.4236/cm.2011.24028.

Conflicts of Interest

The authors declare no conflicts of interest.


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