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Protective Effects of Salvianolic Acid A Against Dextran Sodium Sulfate-Induced Acute Colitis in Rats

Protective Effects of Salvianolic Acid A Against Dextran Sodium Sulfate-Induced Acute Colitis in Rats

Kai Wang, Qinqin Yang, Quanxin Ma, Bei Wang, Zhengrui Wan, Minli Chen, Liming Wu

Nutrients. 2018 Jun 19;10(6):791.

PMID: 29921812

Abstract:

Salvianolic acid A (SAA) is an active phenolic acid derived from Salvia miltiorrhiza Bunge (Danshen). To explore whether SAA has a therapeutic effect against inflammatory bowel disease (IBD), an acute colitis model was induced in rats by administering 3% dextran sodium sulphate (DSS) for one week. SAA in doses of 4 and 8 mg/kg/day was given by tail vein injection during DSS administration. Both dosages of SAA ameliorated the colitis symptoms, with decreases observed in the disease activity index. A high dosage of SAA (8 mg/kg/day) promoted a longer colon length and an improved colonic tissue structure, compared with the DSS-treated rats not receiving SAA. SAA dose-dependently decreased colonic gene expression of pro-inflammatory cytokines (IL-1β, MCP-1 and IL-6). Moreover, a high dosage of SAA protected against DSS-induced damage to tight junctions (TJ) in the rats' colons, by increasing TJ-related gene expression (ZO-1 and occuldin). Finally, using 16S rRNA phylogenetic sequencing, we found that SAA modulated gut microbiota imbalance during colitis by increasing the gut microbial diversity as well as selectively promoting some probiotic populations, including Akkermansia spp. Our study suggests that SAA is a promising candidate for the treatment of IBD.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP96574015	Salvianolic acid A		96574-01-5	Price

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