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Article Publish Status: FREE
Abstract Title:

Hydroxysafflor yellow A attenuates the expression of inflammatory cytokines in acute soft tissue injury.

Abstract Source:

Sci Rep. 2017 01 11 ;7:40584. Epub 2017 Jan 11. PMID: 28074914

Abstract Author(s):

Fang Dong, Changjiang Xue, Yu Wang, Yuanyuan Peng, Yadan Zhang, Ming Jin, Baoxia Zang

Article Affiliation:

Fang Dong

Abstract:

We examined the effect of hydroxysafflor yellow A (HSYA) on the inflammatory response to strike-induced acute soft tissue injury in rats. Soft tissue injury was induced in rat leg muscles using a strike hammer, followed by intraperitoneal administration of HSYA at 16, 32, or 64 mg/kg. After 24 h, the rats were anaesthetized, blood and muscle samples were taken. Plasma levels of interleukin (IL)-6, IL-1β, and tumour necrosis factor (TNF)-αwere measured by enzyme-linked immunosorbent assay. Total RNA and protein were isolated from muscle tissue to determine the mRNA levels of IL-6, IL-1β, TNF-α, vascular cell adhesion molecule (VCAM)-1, and intercellular adhesion molecule (ICAM)-1, and the protein level of phosphorylated p38 mitogen-activated protein kinase (MAPK). Nuclear factor (NF)-κB expression was determined by muscle histopathology and immunohistochemistry. HSYA attenuated pathologic changes instrike-induced soft tissue inflammation. Treatment with HSYA also alleviated strike-induced increases in TNF-α, IL-1β, IL-6, VCAM-1, and ICAM-1mRNA levels and inhibited the increased activation of NF-κB and phosphorylation of p38 MAPK in muscle tissue. These findings suggest that HSYA effectively inhibits strike-induced inflammatory signal transduction in rats.

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