Neuroprotection of hydroxysafflor yellow A in experimental cerebral ischemia/reperfusion injury via metabolic inhibition of phenylalanine and mitochondrial biogenesis

Molecular Medicine Reports
Suning ChenAiDong Wen

Abstract

Stroke is the second most frequent cause of mortality, resulting in a huge societal burden worldwide. Timely reperfusion is the most effective therapy; however, it is difficult to prevent ischemia/reperfusion (I/R) injury. In traditional Chinese medicine, hydroxysafflor yellow A (HSYA) has been widely used for the treatment of cerebrovascular disease and as a protective therapy against I/R injury. Evidence has demonstrated that HSYA could reduce the levels of reactive oxygen species and suppress cellular apoptosis; however, whether HSYA alters the metabolic profile as its underlying mechanism for neuroprotection remains unknown. In the present study, using a metabolomic screening, phenylalanine was identified to significantly increase in an experimental model of mouse cerebral I/R injury. Notably, western blotting and qPCR analysis were conducted to test the expression level of apoptosis‑associated factors, and HSYA was identified to be able to protect neuronal cells by reducing phenylalanine level associated with I/R injury. Additionally, these findings were confirmed in primary mouse neurons and PC12 cells exposed to oxygen and glucose deprivation/reoxygenation (OGD/R) stress. Of note, HSYA was observed to regulate the mRNA e...Continue Reading

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Citations

Mar 22, 2019·International Journal of Molecular Medicine·Hae Jin LeeSeung Hwan Yang
Sep 11, 2020·Evidence-based Complementary and Alternative Medicine : ECAM·Tao PangWansheng Chen
Jan 5, 2021·Frontiers in Medicine·Zhen-Dong ZhangJian-Yong Li
Oct 30, 2020·Frontiers in Pharmacology·Xue BaiYu-Ping Tang
May 20, 2021·Oxidative Medicine and Cellular Longevity·Hui XuMingfu Wang
Jul 19, 2021·Molecular Neurobiology·Mimi WuZhengliang Ma

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