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Abstract Title:

Pre‑treatment with Chrysanthemum indicum Linné extract protects pyramidal neurons from transient cerebral ischemia via increasing antioxidants in the gerbil hippocampal CA1 region.

Abstract Source:

Mol Med Rep. 2017 Jul ;16(1):133-142. Epub 2017 May 17. PMID: 28534982

Abstract Author(s):

In Hye Kim, Tae-Kyeong Lee, Jeong Hwi Cho, Jae-Chul Lee, Joon Ha Park, Ji Hyeon Ahn, Bich-Na Shin, Bai Hui Chen, Hyun-Jin Tae, Yang Hee Kim, Jong-Dai Kim, Young-Myeong Kim, Moo-Ho Won, Il Jun Kang

Article Affiliation:

In Hye Kim

Abstract:

Chrysanthemum indicum Linné extract (CIL) is used in herbal medicine in East Asia. In the present study, gerbils were orally pre‑treated with CIL, and changes of antioxidant enzymes including superoxide dismutase (SOD) 1 and SOD2, catalase (CAT) and glutathione peroxidase (GPX) in the hippocampal CA1 regionfollowing 5 min of transient cerebral ischemia were investigated and the neuroprotective effect of CIL in the ischemic CA1 region was examined. SOD1, SOD2, CAT and GPX immunoreactivities were observed in the pyramidal cells of the CA1 region and their immunoreactivities were gradually decreased following ischemia‑reperfusion and barely detectable at 5 days post‑ischemia. CIL pre‑treatment significantly increased immunoreactivities of SOD1, CAT and GPX, but not SOD2, in the CA1 pyramidal cells of the sham‑operated animals. In addition, SOD1, SOD2, CAT and GPX immunoreactivities in theCA1 pyramidal cells were significantly higher compared with the ischemia‑operated animals. Furthermore, it was identified that pre‑treatment with CIL protected the CA1 pyramidal cells in the CA1 region using neuronal nuclei immunohistochemistry and Fluoro‑Jade B histofluorescence staining; the protected CA1 pyramidal cells were 67.5% compared with the sham‑operated animals. In conclusion, oral CIL pre‑treatment increased endogenous antioxidant enzymes in CA1 pyramidal cells in the gerbil hippocampus and protected the cells from transient cerebral ischemic insult. This finding suggested that CIL is promising for the prevention of ischemia‑induced neuronal damage.

Study Type : Animal Study

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