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Prunus cerasoides Extract and Its Component Compounds Upregulate Neuronal Neuroglobin Levels, Mediate Antioxidant Effects, and Ameliorate Functional Losses in the Mouse Model of Cerebral Ischemia

Authors
Kim, So-DamKim, MinhaWu, Hong-HuaJin, Byung KwanJeon, Myung-ShinSong, Yun Seon
Issue Date
Jan-2022
Publisher
MDPI
Keywords
Prunus cerasoides; neuroglobin; stroke; antioxidant; apoptosis; neuroprotection
Citation
ANTIOXIDANTS, v.11, no.1
Journal Title
ANTIOXIDANTS
Volume
11
Number
1
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/145941
DOI
10.3390/antiox11010099
ISSN
2076-3921
2076-3921
Abstract
Prunus cerasoides (PC) has been reported to have antimicrobial and anti-inflammatory properties, but its potential as a neuroprotective agent in a mouse model of cerebral ischemia has not been explored. Considering neuroglobin (Ngb), an endogenous neuroprotective factor, as a novel approach to neuroprotection, in this study, Ngb promoter activity, Ngb expression changes, and antioxidant protection by PC extract (PCE) and PC component compounds (PCCs) were analyzed in oxygen-glucose deprivation (OGD)-treated neurons. In vivo analysis involved transient middle cerebral artery occlusion (tMCAO) in mice with pre- and post-treatment exposure to PCE. Following ischemic stroke induction, neurological behavior scores were obtained, and cellular function-related signals were evaluated in the ischemic infarct areas. In addition to PCE, certain component compounds from PCE also significantly increased Ngb levels and attenuated the intracellular ROS production and cytotoxicity seen with OGD in primary neurons. Administration of PCE reduced the infarct volume and improved neurological deficit scores in ischemic stroke mice compared with the vehicle treatment. Increased Ngb levels in infarct penumbra with PCE treatment were also accompanied by decreased markers of apoptosis (activated p38 and cleaved caspase-3). Our findings point to the benefits of Ngb-mediated neuroprotection via PCE and its antioxidant activity in an ischemic stroke model.
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