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Abstract Title:

Tetramethylpyrazine attenuates blood-brain barrier disruption in ischemia/reperfusion injury through the JAK/STAT signaling pathway.

Abstract Source:

Eur J Pharmacol. 2019 Jul 5 ;854:289-297. Epub 2019 Apr 17. PMID: 31004602

Abstract Author(s):

Pian Gong, Zhan Zhang, Yichun Zou, Qi Tian, Shoumeng Han, Zhou Xu, Jianming Liao, Ling Gao, Qianxue Chen, Mingchang Li

Article Affiliation:

Pian Gong

Abstract:

Tetramethylpyrazine (TMP) has been studied in depth and is widely used in the treatment of many kinds of diseases in China. However, whether it has neuroprotective effects on cerebral ischemia remains unclear. An ischemia/reperfusion (I/R) injury animal model was established via middle cerebral artery occlusion in this study. We set several different groups in which the rats were performed in different ways to explore the effects of TMP on blood-brainbarrier (BBB) disruption and determine whether TMP relieved BBB disruption through blocking the JAK/STAT signaling pathway. Our results showed that TMP could reduce the neurological functional loss, decrease the brain edema and BBB permeability, as well as increase the expression of tight junction proteins via inhibiting the activation of JAK/STAT signaling pathway. Overall, we demonstrated that TMP promoted neurological recovery after I/R injury via restoring the integrity and function of BBB.

Study Type : Animal Study

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Sayer Ji
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