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Ginsenoside Rf alleviates dysmenorrhea and inflammation through the BDNF-TrkB-CREB pathway in a rat model of endometriosis

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Abstract

To investigate the effects and the underlying mechanisms of ginsenoside Rf in a surgically induced rat endometriosis model, endometriosis was constructed through homologous transplantation and the Wistar rats were further randomly classified into the sham group, the estradiol valerate (E2V) control group, the endometriosis group, and the ginsenoside Rf groups (1.0, 2.0 and 4.0 mg kg−1, respectively). After 7 days of treatment, the implant volume and writhing responses were recorded. Vascular endothelial growth factor (VEGF), inducible nitric oxide synthase (iNOS), interleukin (IL)-6, IL-1β, and tumor necrosis factor (TNF)-α were analyzed using enzyme-linked immunosorbent assay (ELISA) and reverse transcription polymerase chain reaction (RT-PCR) assay. Brain-derived neurotrophic factor (BDNF), tropomyosin receptor kinases (TrkB), and phosphate-c-AMP-responsive element binding protein (pCREB) were further measured. Compared with the endometriosis group, ginsenoside Rf could decrease the volume of the endometriotic implants and writhing responses. Furthermore, the expression levels of VEGF and inflammation-related iNOS, IL-6, IL-1β, and TNF-α were significantly down-regulated in the ginsenoside Rf groups in a dose-dependent manner. The results also showed that ginsenoside Rf could decrease the expression of BDNF, TrkB, and pCREB in the endometriotic implants. The alleviation of endometriosis-associated dysmenorrhea and inflammation by ginsenoside Rf may be partially mediated by the BDNF-TrkB-CREB pathway.

Graphical abstract: Ginsenoside Rf alleviates dysmenorrhea and inflammation through the BDNF-TrkB-CREB pathway in a rat model of endometriosis

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Publication details

The article was received on 19 Sep 2018, accepted on 25 Nov 2018 and first published on 14 Dec 2018


Article type: Paper
DOI: 10.1039/C8FO01839A
Citation: Food Funct., 2019, Advance Article
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    Ginsenoside Rf alleviates dysmenorrhea and inflammation through the BDNF-TrkB-CREB pathway in a rat model of endometriosis

    X. Qin, Y. Liu, Y. Feng and J. Jiang, Food Funct., 2019, Advance Article , DOI: 10.1039/C8FO01839A

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