J Biomed Transl Res.  2018 Mar;19(1):21-25. 10.12729/jbtr.2018.19.1.021.

The anti-Influenza effect of a water soluble herbal extract from Salvia miltiorrhiza (Danshen) in vivo

Affiliations
  • 1College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Korea. jongsool@cnu.ac.kr
  • 2R&D Division, VITABIO Inc., Deajeon 34540, Korea.
  • 3Korean Medicine (KM) Application Center, Korea Institute of Oriental Medicine, Daegu 41062, Korea.

Abstract

Salvia miltiorrhiza (Danshen) is perennial plant and commonly used in traditional Chinese medicine to treat numerous diseases like cardiovascular and cerebrovascular diseases, coronary heart disease, myocardial infarction, stroke and some viral diseases. Nevertheless, no study has been conducted on the antiviral properties of crude extract of Salvia miltiorrhiza against Influenza virus. In an attempt to identify new potential anti-influenza virus agents, 200 natural oriental herbal medicines were screened and we found that Salvia miltiorrhiza has a potential anti-influenza effect. Therefore, in this study, we investigated the protective effect of aqueous extract from Salvia miltiorrhiza against divergent influenza A subtypes using murine model of influenza A infection. Effective dose of aqueous extracts of Salvia miltiorrhiza in BALB/c mice displayed higher survival rate and lower lung viral titers when challenged with lethal doses of influenza A subtypes ({A/Aquatic bird/Korea/W81/2005(H5N2)}, {A/PR/8/34(H1N1)}, {A/Aquatic bird/Korea/W44/2005(H7N3)} and {A/Chicken/ Korea/116/2004(H9N2)}). In vivo results exhibited that Salvia miltiorrhiza induced prophylactic effect in BALB/c mice against Influenza virus by disrupting viral replication or preventing viral infection by creating an antiviral state in the lungs. Taken together, the use of aqueous extracts of Salvia miltiorrhiza as an orally active antiviral agent, will be potential candidates for prophylactic treatments against Influenza A virus for humans and animals.

Keyword

Salvia miltiorrhiza (Danshen); aqueous extract; antiviral effect; anti influenza effect; influenza A virus

MeSH Terms

Animals
Cerebrovascular Disorders
Coronary Disease
Humans
Influenza A virus
Influenza, Human
Lung
Medicine, Chinese Traditional
Mice
Myocardial Infarction
Orthomyxoviridae
Plants
Salvia miltiorrhiza*
Salvia*
Stroke
Survival Rate
Virus Diseases
Water*
Water
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