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Helicid Reverses Lipopolysaccharide‐Induced Inflammation and Promotes GDNF Levels in C6 Glioma Cells through Modulation of Prepronociceptin
Author(s) -
Zhang Yuanxiang,
Luan Di,
Liu Yanhao,
Li Hongjin,
Dong Jian,
Zhang Xiaotong,
Yuan Lili,
Zhong Zhengling,
Jiang Lan,
Li Xuyi,
Ye Mingquan,
Tong Jiucui
Publication year - 2020
Publication title -
chemistry and biodiversity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.427
H-Index - 70
eISSN - 1612-1880
pISSN - 1612-1872
DOI - 10.1002/cbdv.202000063
Subject(s) - glial cell line derived neurotrophic factor , inflammation , neurotrophic factors , gene silencing , protein kinase b , oxidative stress , biology , signal transduction , pharmacology , chemistry , immunology , microbiology and biotechnology , endocrinology , gene , biochemistry , receptor
Helicid suppresses inflammatory factors and protects nerve cells in the hippocampus of rats with depression, but the mechanisms underlying its protective effects are unclear at present. In this investigation, we conducted gene silencing, Helicid intervention and rescue experiments to explore the protective actions of PNOC, the prepronociceptin gene known to regulate inflammatory processes, and Helicid on a C6 cell model of inflammation induced by LPS. Collective data from Western blots, ELISA, immunofluorescence and flow cytometry experiments showed that PNOC silencing or administration of Helicid led to reduced inflammatory factor levels, oxidative stress and expression of glial fibrillary acidic protein (GFAP), along with increased glial cell lines‐derived neurotrophic factor (GDNF) expression. Furthermore, expression of p‐Akt in the Akt signaling pathway was increased. Interestingly, overexpression of PNOC in the Helicid treatment group partially reversed the Helicid‐induced changes in the above biochemical indexes. Our collective results provide strong evidence of Helicid‐mediated regulation of the Akt signaling pathway through PNOC to improve cell inflammation and oxidative stress.