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PLoS By Category | Recent PLoS Articles
Chemistry - Immunology - Infectious Diseases - Respiratory Medicine - Virology

Protective Effect of Ginseng Polysaccharides on Influenza Viral Infection
Published: Monday, March 19, 2012
Author: Dae-Goon Yoo et al.

by Dae-Goon Yoo, Min-Chul Kim, Min-Kyung Park, Kyoung-Mi Park, Fu-Shi Quan, Jae-Min Song, Jae Joon Wee, Bao-Zhong Wang, Young-Keol Cho, Richard W. Compans, Sang-Moo Kang

Ginseng polysaccharide has been known to have multiple immunomodulatory effects. In this study, we investigated whether Panax ginseng polysaccharide (GP) would have a preventive effect on influenza infection. Administration of mice with GP prior to infection was found to confer a survival benefit against infection with H1N1 (A/PR/8/34) and H3N2 (A/Philippines/82) influenza viruses. Mice infected with the 2009 H1N1 virus suspended in GP solution showed moderately enhanced survival rates and lower levels of lung viral titers and the inflammatory cytokine (IL-6). Daily treatment of vaccinated mice with GP improved their survival against heterosubtypic lethal challenge. This study demonstrates the first evidence that GP can be used as a remedy against influenza viral infection.
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