Long-term L-3-n-butylphthalide pretreatment attenuates ischemic brain injury in mice with permanent distal middle cerebral artery occlusion through the Nrf2 pathway

L-3-n-butylphthalide (NBP), which is used for treatment of mild and moderate acute ischemic stroke, exerts its effects by modulating the Nrf2 pathway. However, it has not been established whether NBP exerts its preventive effects in high-risk ischemic stroke patients through the Nrf2 pathway. We inv...

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Main Authors: Mingying Sun, Changchun Jiang, Xiwa Hao, Jiangxia Pang, Chao Chen, Wenping Xiang, Jun Zhang, Shijun Zhao, Po Wang, Shangyong Geng, Hanzhang Wang, Yuechun Li, Baojun Wang
Format: Article
Language:English
Published: Elsevier 2022-07-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844022011975
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author Mingying Sun
Changchun Jiang
Xiwa Hao
Jiangxia Pang
Chao Chen
Wenping Xiang
Jun Zhang
Shijun Zhao
Po Wang
Shangyong Geng
Hanzhang Wang
Yuechun Li
Baojun Wang
author_facet Mingying Sun
Changchun Jiang
Xiwa Hao
Jiangxia Pang
Chao Chen
Wenping Xiang
Jun Zhang
Shijun Zhao
Po Wang
Shangyong Geng
Hanzhang Wang
Yuechun Li
Baojun Wang
author_sort Mingying Sun
collection DOAJ
description L-3-n-butylphthalide (NBP), which is used for treatment of mild and moderate acute ischemic stroke, exerts its effects by modulating the Nrf2 pathway. However, it has not been established whether NBP exerts its preventive effects in high-risk ischemic stroke patients through the Nrf2 pathway. We investigated whether NBP exerts its preventive effects through the Nrf2 pathway in long-term NBP pretreated dMCAO mice models. Nrf2+/+ wild-type and Nrf2−/− knockout mice were randomized into the vehicle group (equal volume vegetable oil), NBP-low-dose group (20 mg/kg) and NBP-high-dose group (60 mg/kg). The drug was administered once daily by gavage for a month. Then, a permanent distal middle cerebral artery occlusion model (dMCAO) was established after pretreatment with NBP. Neurological deficits, cerebral infarct volumes, brain water contents, activities of SOD, GSH-Px and MDA levels were determined. Further, axonal injury and demyelination, expression levels of Nrf2, HO-1 and NQO1 in ischemic brains were determined. Long-term NBP pretreatment significantly improved neurological functions, reduced cerebral infarction volumes, reduced brain water contents, increased SOD, GSH-Px activities, decreased MDA contents, reduced neurological injuries, axonal damage as well as demyelination, while increasing Nrf2, HO-1 and NQO1 mRNA as well as protein expressions in dMCAO mice models.
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spelling doaj.art-e5b6f208fde8451ba57a34680c1ce8982022-12-22T01:33:13ZengElsevierHeliyon2405-84402022-07-0187e09909Long-term L-3-n-butylphthalide pretreatment attenuates ischemic brain injury in mice with permanent distal middle cerebral artery occlusion through the Nrf2 pathwayMingying Sun0Changchun Jiang1Xiwa Hao2Jiangxia Pang3Chao Chen4Wenping Xiang5Jun Zhang6Shijun Zhao7Po Wang8Shangyong Geng9Hanzhang Wang10Yuechun Li11Baojun Wang12Department of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, ChinaDepartment of Neurology, Baotou Central Hospital, Inner Mongolia, China; Neurological Diseases Clinical Medicine Research Center, Inner Mongolia Autonomous Region, China; Cerebrovascular Disease Institute, Inner Mongolia Autonomous Region, China; Corresponding author.L-3-n-butylphthalide (NBP), which is used for treatment of mild and moderate acute ischemic stroke, exerts its effects by modulating the Nrf2 pathway. However, it has not been established whether NBP exerts its preventive effects in high-risk ischemic stroke patients through the Nrf2 pathway. We investigated whether NBP exerts its preventive effects through the Nrf2 pathway in long-term NBP pretreated dMCAO mice models. Nrf2+/+ wild-type and Nrf2−/− knockout mice were randomized into the vehicle group (equal volume vegetable oil), NBP-low-dose group (20 mg/kg) and NBP-high-dose group (60 mg/kg). The drug was administered once daily by gavage for a month. Then, a permanent distal middle cerebral artery occlusion model (dMCAO) was established after pretreatment with NBP. Neurological deficits, cerebral infarct volumes, brain water contents, activities of SOD, GSH-Px and MDA levels were determined. Further, axonal injury and demyelination, expression levels of Nrf2, HO-1 and NQO1 in ischemic brains were determined. Long-term NBP pretreatment significantly improved neurological functions, reduced cerebral infarction volumes, reduced brain water contents, increased SOD, GSH-Px activities, decreased MDA contents, reduced neurological injuries, axonal damage as well as demyelination, while increasing Nrf2, HO-1 and NQO1 mRNA as well as protein expressions in dMCAO mice models.http://www.sciencedirect.com/science/article/pii/S2405844022011975Brain ischemiaL-3-n-butylphthalideNrf2 signaling pathwayOxidative stressNeuroprotection
spellingShingle Mingying Sun
Changchun Jiang
Xiwa Hao
Jiangxia Pang
Chao Chen
Wenping Xiang
Jun Zhang
Shijun Zhao
Po Wang
Shangyong Geng
Hanzhang Wang
Yuechun Li
Baojun Wang
Long-term L-3-n-butylphthalide pretreatment attenuates ischemic brain injury in mice with permanent distal middle cerebral artery occlusion through the Nrf2 pathway
Heliyon
Brain ischemia
L-3-n-butylphthalide
Nrf2 signaling pathway
Oxidative stress
Neuroprotection
title Long-term L-3-n-butylphthalide pretreatment attenuates ischemic brain injury in mice with permanent distal middle cerebral artery occlusion through the Nrf2 pathway
title_full Long-term L-3-n-butylphthalide pretreatment attenuates ischemic brain injury in mice with permanent distal middle cerebral artery occlusion through the Nrf2 pathway
title_fullStr Long-term L-3-n-butylphthalide pretreatment attenuates ischemic brain injury in mice with permanent distal middle cerebral artery occlusion through the Nrf2 pathway
title_full_unstemmed Long-term L-3-n-butylphthalide pretreatment attenuates ischemic brain injury in mice with permanent distal middle cerebral artery occlusion through the Nrf2 pathway
title_short Long-term L-3-n-butylphthalide pretreatment attenuates ischemic brain injury in mice with permanent distal middle cerebral artery occlusion through the Nrf2 pathway
title_sort long term l 3 n butylphthalide pretreatment attenuates ischemic brain injury in mice with permanent distal middle cerebral artery occlusion through the nrf2 pathway
topic Brain ischemia
L-3-n-butylphthalide
Nrf2 signaling pathway
Oxidative stress
Neuroprotection
url http://www.sciencedirect.com/science/article/pii/S2405844022011975
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