Journal
JOURNAL OF ETHNOPHARMACOLOGY
Volume 192, Issue -, Pages 217-224Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.jep.2016.07.017
Keywords
Mahuang-Xixin-Fuzi decoction; Influenza A virus; Kidney-Yang deficiency syndrome mice; Inflammatory cytokines; Antioxidant activity
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Funding
- National Natural Science Foundation of China [81273626]
- Ministry of Science and Technology of the People's Republic of China [2014ZX09509-001001005]
- Chinese Medicine Antiviral collaborative Innovation Center Project of Shandong College and Universities [XTCX2014C01-02]
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Ethnopharmacological relevance: Mahuang-Xixin-Fuzi Decoction (MXF) as a famous formula for the treatment of colds, fever, nasal congestion and headache with elder people, has always been widely used in traditional Chinese medicine. The present study is aimed at investigating the treatment effect of MXF on Kidney-Yang deficiency syndrome in mice simultaneously infected with H1N1 virus. Materials and methods: We employed the Kidney-Yang deficiency mouse model to investigate the effect of MXF against influenza A virus (A/FM/1/47, H1N1). Mice were infected with the virus after fifteen days Kidney-Yang deficiency syndrome was established (intraperitoneal injection of estradiol benzoate), while MXF was orally administrated with 1.2-4.7 g/kg/d for 6 consecutive days after inoculation. Body weight, rectal temperature, morbidity, and mortality were recorded daily. Histopathologic changes, antioxidant activity of SOD and MDA were detected. Moreover, levels of inflammatory cytokines including IL-6, IL-10, MCP-1, TNF-alpha were measured in the sera of mice. Results: We found that the extract of MXF at dosages of 2.3-4.7 gikg could effectively diminish mortality rate, ameliorate lung edema and inflammation. Administration of MXF decoction significantly depressed the expression of IL-6, MCP-1 and TNF-alpha, and markedly increased expression of IL-10 in serum. Simultaneously, the extract was also found to reduce MDA and increase SOD in the lung tissue of mice. Conclusion: These data support the notion that the extract of MXF could treat Kidney-Yang deficiency syndrome in mice simultaneously infected with influenza A virus by reducing inflammation and increasing antioxidant activities. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
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