Abstract Title:

Neurovascular protection of salvianolic acid B and ginsenoside Rg1 combination against acute ischemic stroke in rats.

Abstract Source:

Neuroreport. 2021 09 8 ;32(13):1140-1146. PMID: 34284451

Abstract Author(s):

Yao Fu, Rongrong Xing, Linlin Wang, Li Yang, Baohong Jiang

Article Affiliation:

Yao Fu


Ischemic stroke continues to be a major global health problem associated with considerable mortality and morbidity. Thus, it is still targeted by researchers for developing new strategies or drugs to alleviate the lesion of stroke. In the present study, both the permanent occlusion of the middle cerebral artery (MCAO) model and the restoration of cerebral blood flow after middle cerebral artery occlusion (CI/R) model were set up for evaluating the efficiency of salvianolic acid B and ginsenoside Rg1 combination (SalB-Rg1). SalB-Rg1 decreased infarct area through 3,5-triphenyltetrazolium chloride stain and improved neurological behavior through Longa Score or Left-Biased Swings on both MCAO rats and CI/R rats. Neural protection of SalB-Rg1 against ischemia or ischemic reperfusion injury was evidenced by the inhibition of nucleus pyknosis, liquefaction necrosis through H&E stain and Nissl stain. Furthermore, protection of SalB-Rg1 on blood-brain barrier (BBB) was more significant on CI/R rats, accompanying with the downregulation of matrix metalloproteinase-2 and matrix metalloproteinase-9, and recovery of zonula occludens-1 expression. These results provide compelling evidence that SalB-Rg1 holds the potential to be developed as an optimal therapeutic strategy to alleviate the injury of ischemia or ischemic reperfusion.

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