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Article Publish Status: FREE
Abstract Title:

SALVIANOLIC ACID B ALLEVIATING MYOCARDIUM INJURY IN ISCHEMIA REPERFUSION RATS.

Abstract Source:

Afr J Tradit Complement Altern Med. 2016 ;13(4):157-161. Epub 2016 Jul 3. PMID: 28852731

Abstract Author(s):

Zengyong Qiao, Yawei Xu

Article Affiliation:

Zengyong Qiao

Abstract:

BACKGROUND: Salvia miltiorrhiza (SM) Bunge is one of the widely-used Chinese medicinal herbs. Salvianolic acid B (Sal B), a bioactive compound isolated from the Chinese herb Radix Salviae Miltiorrhizae, has been reported to exhibit anti-inflammatory and anti-oxidantive effects.

MATERIAL AND METHOD: To study the cardioprotective effects of salvianolic acid B (Sal B) on acute myocardial ischemia reperfusion (MIR) injury rats, on the basis of this investigation, the possible mechanism of salvianolic acid B was elucidated. Male Sprague- Dawley rats (200-220 g) were randomly divided into five groups: sham-operated, MIR, MIR + Sal B (10 mg/kg/day, orally), MIR + Sal B (20 mg/kg/ day, orally) and MIR + Sal B (30 mg/kg/ day, orally). Before operation, the foregoing groups were pretreated with homologous drug once a day for 7 days, respectively. After twelve hours in MIR, the cardioprotective effects of SPJ were evaluated by infarct size, biochemical values, and the antioxidative and antiapoptotic relative gene expressions.

RESULTS: Sal B significantly improved heart function and decreased infarct size; remarkably decreased levels of serum TNF-α and IL-Ιβ levels, increased contents of myocardium antioxidant enzymes activities; western blot results showed that Sal B ameliorate the increased Bax and caspase-3 protins expressions and decreased Bcl-2 proteins expression and ratios of Bcl-2 to Bax.

CONCLUSION: In ischemic myocardium, oxidative stress caused the overgeneration and accumulation of reactive oxygen species (ROS), which was central of cardiac ischemic injury. Sal B exerted beneficially cardioprotective effects on myocardial ischemia injury rats, mainly scavenging oxidative stress-triggered overgeneration and accumulation of ROS, alleviating myocardial ischemia injury and cardiac cell death. List of abbreviations: salvianolic acid B (Sal B); myocardial ischemia reperfusion (MIR); reactive oxygen species (ROS); Left ventricular end-diastolic pressure (LVEDP); left ventricular end-diastolic volume (LVEDV); Malondialdehyde (MDA); superoxide dismutase (SOD); catalase (CAT); Glutathione peroxidase (GSH-Px); glutathione reductase (GR).

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