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Hydroxysafflor Yellow A Exerts Anti-Inflammatory Effects Mediated by SIRT1 in Lipopolysaccharide-Induced Microglia Activation.


ABSTRACT: Abnormal microglia activation causes sever neuroinflammation, contributing to the development of many diseases, yet the mechanism remains incompletely unknown. In current study, we identified that Hydroxysafflor yellow A (HYA), a chalcone glycoside derived from Carthamus tinctorius L effectively attenuates LPS-induced inflammation response in primary microglia via regulating the expression of inflammatory genes and remodeling the polarization of microglia. We also reported the effects of HYA on improving lipopolysaccharide (LPS)-stimulated mitochondrial dysfunction and oxidative stress for the first time. Interestingly, we found that HYA could serves as an effective SIRT1 activator. Deficiency of SIRT1 abrogates the protective effects of HYA against LPS-induced response. Overall, our data suggest HYA, a novel SIRT1 activator, could serve as an effective approach to treat LPS-induced neurodegenerative diseases.

SUBMITTER: Qin X 

PROVIDER: S-EPMC7517830 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Hydroxysafflor Yellow A Exerts Anti-Inflammatory Effects Mediated by SIRT1 in Lipopolysaccharide-Induced Microglia Activation.

Qin Xiude X   Chen Juanjuan J   Zhang Guowei G   Li Chuanpeng C   Zhu Jinqiang J   Xue Hong H   Li Jinfang J   Guan Tianxiang T   Zheng Haotao H   Liu Yu Y   Cai Haobin H  

Frontiers in pharmacology 20200911


Abnormal microglia activation causes sever neuroinflammation, contributing to the development of many diseases, yet the mechanism remains incompletely unknown. In current study, we identified that Hydroxysafflor yellow A (HYA), a chalcone glycoside derived from <i>Carthamus tinctorius L</i> effectively attenuates LPS-induced inflammation response in primary microglia <i>via</i> regulating the expression of inflammatory genes and remodeling the polarization of microglia. We also reported the effe  ...[more]

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