The role of JAK/STAT signaling pathway in cerebral ischemia-reperfusion injury and the therapeutic effect of traditional Chinese medicine: A narrative review

Author:

Song Tianzhi1ORCID,Zhang Yishu2,Zhu Liangrong3,Zhang Yuyan4ORCID,Song Jingmei5

Affiliation:

1. The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China

2. The Second School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China

3. Wenling Hospital of Traditional Chinese Medicine, Taizhou, China

4. School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, China

5. School of Basic Medicine Sciences, Zhejiang Chinese Medical University, Hangzhou, China.

Abstract

Cerebral ischemia is a cerebrovascular disease with symptoms caused by insufficient blood or oxygen supply to the brain. When blood supplied is restored after cerebral ischemia, secondary brain injury may occur, which is called cerebral ischemia-reperfusion injury (CIRI). In this process, the Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathway plays an important role. It mediates neuroinflammation and participates in the regulation of physiological activities, such as cell proliferation, differentiation, and apoptosis. After CIRI, M1 microglia is activated and recruited by the damaged tissue. The inflammatory factors are produced by M1 microglia through the JAK/STAT pathway, eventually leading to cell apoptosis. Meanwhile, the JAK2/STAT3 signaling pathway and the expression of lipocalin-2 and caspase-3 could increase. In the pathway, phosphorylated JAK2 and phosphorylated STAT3 function of 2 ways. They not only promote the proliferation of neurons, but also affect the differentiation direction of neural stem cells by further acting on the Notch signaling pathway. Recently, traditional Chinese medicine (TCM) is a key player in CIRI, through JAK2, STAT3, STAT1 and their phosphorylation. Therefore, the review focuses on the JAK/STAT signaling pathway and its relationship with CIRI as well as the influence of the TCM on this pathway. It is aimed at providing the basis for future clinical research on the molecular mechanism of TCM in the treatment of CIRI.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

General Medicine

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