Ginsenoside reprogramming microglia through the FGF/FGFR1 inhibits post traumatic stress disorder.

Int Immunopharmacol

Department of emergency medicine, The Jiangyin Clinical College of Xuzhou Medical University. Jiangyin, PR China; Department of emergency medicine, Jiangyin People's Hospital Affiliated to Nantong University. Jiangyin, PR China. Electronic address:

Published: January 2025

Post traumatic stress disorder (PTSD) is a serious and persistent mental diseases. Nowadays, Treatment of PTSD patients in clinical practice is mainly based on drug therapy accompanied by psychological therapy. However, the therapeutic effect is unsatisfactory. It is urgent to detect how to treat PTSD patients. Here, we found that ginsenoside can significantly relieve PTSD symptoms in mice model. Rg3, one of the main pharmacological components of ginsenoside, prevents PTSD by promoting alternatively activated M2 phenotype microglia while inhibiting classically activated inflammatory M1 phenotype microglia. Mechanistically, Rg3 up-regulates fibroblast growth factor receptor 1 (FGFR1) expression in microglia to suppress excessive activation of microglia and reduce neuronal apoptosis. Importantly, knocking down FGFR1 expression in BV2 cells promoted a pro-inflammatory phenotype of BV2 cells, while over-expressing FGFR1 reversed this effect. In vivo PTSD mice model results showed that knockdown FGFR1 prevents the therapeutic effect of Rg3, which indicates that FGFR1 is an essential target of PTSD. Our results reveal that Rg3 may be a potential drug to treat PTSD patients.

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http://dx.doi.org/10.1016/j.intimp.2024.113763DOI Listing

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