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Abstract Title:

Cytoprotective effects of paeoniflorin are associated with translocator protein 18 kDa.

Abstract Source:

Biomed Pharmacother. 2018 Nov ;107:19-23. Epub 2018 Jul 31. PMID: 30075369

Abstract Author(s):

Zhi-Kun Qiu, Xu Liu, Dan Tang, Zhe Zhang, Qing-Hong Fan, Yun-Yun Pan, Ying-Yu Chen, Mei-Yan Huang, Tao Zhu, Yu-Lu Wang, Xiao-Fang Cheng, Ji-Sheng Chen

Article Affiliation:

Zhi-Kun Qiu

Abstract:

Paeoniflorin (PF) is one of the important active components in peony that are known to produce the neuroprotective effects. However, the involved cytoprotective factors on brain astrocytes are remain unclear. Translocator protein 18 kDa (TSPO) and its downstream neurosteroids biosynthesis play a significant role in cytoprotection. Based on these, the role of TSPO and neurosteroids biosynthesis in the cytoprotective effects of PF is evaluated. The astrocyte cells were cultured and AC-5216 (TSPO ligand) was selected as the positive control drug. The cytoprotective effects of PF and the levels of neurosteroids were quantified by water-soluble tetrazolium assay and enzyme linked immunosorbent assay, respectively. The cytoprotective activities of PF were relevant to neurosteroids (e.g. progsterone and allopregnanolone) biosynthesis, while these effects were totally blocked by PK11195, trilostane and finasteride, respectively. In summary, the cytoprotective effects of PF maybe mediated by TSPO and neurosteroids biosynthesis. The findings may provide the new insights into the cytoprotective effects of PF.

Study Type : In Vitro Study

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