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Luo Q, Yang Y, Xian C, Zhou P, Zhang H, Lv Z, Liu J. Nicotinamide riboside ameliorates survival time and motor dysfunction in an MPTP-Induced Parkinson's disease zebrafish model through effects on glucose metabolism and endoplasmic reticulum stress. Chem Biol Interact 2024; 399:111118. [PMID: 38925209 DOI: 10.1016/j.cbi.2024.111118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 06/17/2024] [Accepted: 06/20/2024] [Indexed: 06/28/2024]
Abstract
Nicotinamide riboside (NR) is a precursor and exogenous supplement of nicotinamide adenine dinucleotide (NAD+). NR has been shown to play a beneficial role in a variety of neurodegenerative diseases. A phase 1 clinical trial identified NR as a potential neuroprotective therapy for Parkinson's disease (PD). However, the mechanism of action of NR in PD has not been fully elucidated. Therefore, the present study aimed to investigate the potential effects of NR on a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD model in zebrafish and its underlying mechanisms. The results showed that NR improved motor dysfunction, survival time, dopamine neurons, and peripheral neurons, as well as the NAD+ levels in the MPTP-affected PD zebrafish model. In addition, transcriptome sequencing analysis revealed that, after NR treatment, differentially expressed genes were significantly enriched in the glucose metabolism and protein processing pathways in the endoplasmic reticulum (ER). Quantitative PCR (qPCR) revealed that the mRNA levels of the glycoheterotrophic enzyme (involved in glucose metabolism) were significantly decreased, and the glycolytic enzyme mRNA expression levels were significantly increased. The results of the non-targeted metabolomic analysis showed that NR treatment significantly increased the levels of metabolites such as nicotinic acid ,nicotinamide, d-glucose (from the gluconeogenesis and glycolysis metabolism pathways) and some glucogenic amino acids, such as glutamine. Importantly, NR ameliorated MPTP-induced endoplasmic reticulum stress (ERS) in the PD zebrafish model through the Perk-Eif2α-Atf4-Chop pathway. These results highlight the neuroprotective effect of NR in the present PD zebrafish model through modulation of glucose metabolism and ERS via the Perk-Eif2α-Atf4-Chop pathway and provide valuable mechanistic insights into the treatment of PD.
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Affiliation(s)
- Qing Luo
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, 25 Taiping Street, Luzhou, Sichuan, 646000, China
| | - Yanmei Yang
- Department of Neurology, Affiliated Hospital of Southwest Medical University, 25 Taiping Street, Luzhou, Sichuan, 646000, China
| | - Chunyan Xian
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, 25 Taiping Street, Luzhou, Sichuan, 646000, China
| | - Pan Zhou
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, 25 Taiping Street, Luzhou, Sichuan, 646000, China
| | - Hui Zhang
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, 25 Taiping Street, Luzhou, Sichuan, 646000, China
| | - Zhiyu Lv
- Department of Neurology, Affiliated Hospital of Southwest Medical University, 25 Taiping Street, Luzhou, Sichuan, 646000, China.
| | - Jinbo Liu
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, 25 Taiping Street, Luzhou, Sichuan, 646000, China.
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Ma Y, Liu S, Zhou Q, Li Z, Zhang Z, Yu B. Approved drugs and natural products at clinical stages for treating Alzheimer's disease. Chin J Nat Med 2024; 22:699-710. [PMID: 39197961 DOI: 10.1016/s1875-5364(24)60606-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Indexed: 09/01/2024]
Abstract
Alzheimer's disease (AD) remains the foremost cause of dementia and represents a significant unmet healthcare need globally. The complex pathogenesis of AD, characterized by various pathological and physiological events, has historically challenged the development of anti-AD drugs. However, recent breakthroughs in AD drug development, including the approvals of aducanumab, lecanemab, and sodium oligomannate (GV-971), have ended a nearly two-decade hiatus in the introduction of new AD drugs. These developments have addressed long-standing challenges in AD drug development, marking a substantial shift in the therapeutic landscape of AD. Moreover, natural products (NPs) have shown promise in AD drug research, with several currently under clinical investigation. Their distinct properties and mechanisms of action offer new avenues to complement and enhance existing AD treatment approaches. This review article aims to provide an overview of the recent advancements and prospects in AD therapeutics, focusing on both NPs and approved drugs.
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Affiliation(s)
- Yajing Ma
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Sufang Liu
- Department of Biomedical Sciences, College of Dentistry, Texas A & M University, Dallas 75246, USA
| | - Qingfeng Zhou
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Zhonghua Li
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Zhijian Zhang
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China.
| | - Bin Yu
- College of Chemistry, Pingyuan Laboratory, State Key Laboratory of Antiviral Drugs, Zhengzhou University, Zhengzhou 450001, China.
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Zhang N, Zhang S, Dong X. Plant-derived bioactive compounds and their novel role in central nervous system disorder treatment via ATF4 targeting: A systematic literature review. Biomed Pharmacother 2024; 176:116811. [PMID: 38795641 DOI: 10.1016/j.biopha.2024.116811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/18/2024] [Accepted: 05/20/2024] [Indexed: 05/28/2024] Open
Abstract
Central nervous system (CNS) disorders exhibit exceedingly intricate pathogenic mechanisms. Pragmatic and effective solutions remain elusive, significantly compromising human life and health. Activating transcription factor 4 (ATF4) participates in the regulation of multiple pathophysiological processes, including CNS disorders. Considering the widespread involvement of ATF4 in the pathological process of CNS disorders, the targeted regulation of ATF4 by plant-derived bioactive compounds (PDBCs) may become a viable strategy for the treatment of CNS disorders. However, the regulatory relationship between PDBCs and ATF4 remains incompletely understood. Here, we aimed to comprehensively review the studies on PDBCs targeting ATF4 to ameliorate CNS disorders, thereby offering novel directions and insights for the treatment of CNS disorders. A computerized search was conducted on PubMed, Embase, Web of Science, and Google Scholar databases to identify preclinical experiments related to PDBCs targeting ATF4 for the treatment of CNS disorders. The search timeframe was from the inception of the databases to December 2023. Two assessors conducted searches using the keywords "ATF4," "Central Nervous System," "Neurological," "Alzheimer's disease," "Parkinson's Disease," "Stroke," "Spinal Cord Injury," "Glioblastoma," "Traumatic Brain Injury," and "Spinal Cord Injury." Overall, 31 studies were included, encompassing assessments of 27 PDBCs. Combining results from in vivo and in vitro studies, we observed that these PDBCs, via ATF4 modulation, prevent the deposition of amyloid-like fibers such as Aβ, tau, and α-synuclein. They regulate ERS, reduce the release of inflammatory factors, restore mitochondrial membrane integrity to prevent oxidative stress, regulate synaptic plasticity, modulate autophagy, and engage anti-apoptotic mechanisms. Consequently, they exert neuroprotective effects in CNS disorders. Numerous PDBCs targeting ATF4 have shown potential in facilitating the restoration of CNS functionality, thereby presenting expansive prospects for the treatment of such disorders. However, future endeavors necessitate high-quality, large-scale, and comprehensive preclinical and clinical studies to further validate this therapeutic potential.
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Affiliation(s)
- Nan Zhang
- Department of Neurology, the Seventh Clinical College of China Medical University, No. 24 Central Street, Xinfu District, Fushun, Liaoning 113000, China
| | - Shun Zhang
- Department of Neurology, Shengjing Hospital of China Medical University, No. 36 Sanhao street, Heping District, Shenyang, Liaoning 110000, China
| | - Xiaoyu Dong
- Department of Neurology, Shengjing Hospital of China Medical University, No. 36 Sanhao street, Heping District, Shenyang, Liaoning 110000, China.
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Li Y, Li M, Feng S, Xu Q, Zhang X, Xiong X, Gu L. Ferroptosis and endoplasmic reticulum stress in ischemic stroke. Neural Regen Res 2024; 19:611-618. [PMID: 37721292 PMCID: PMC10581588 DOI: 10.4103/1673-5374.380870] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 05/30/2023] [Accepted: 06/14/2023] [Indexed: 09/19/2023] Open
Abstract
Ferroptosis is a form of non-apoptotic programmed cell death, and its mechanisms mainly involve the accumulation of lipid peroxides, imbalance in the amino acid antioxidant system, and disordered iron metabolism. The primary organelle responsible for coordinating external challenges and internal cell demands is the endoplasmic reticulum, and the progression of inflammatory diseases can trigger endoplasmic reticulum stress. Evidence has suggested that ferroptosis may share pathways or interact with endoplasmic reticulum stress in many diseases and plays a role in cell survival. Ferroptosis and endoplasmic reticulum stress may occur after ischemic stroke. However, there are few reports on the interactions of ferroptosis and endoplasmic reticulum stress with ischemic stroke. This review summarized the recent research on the relationships between ferroptosis and endoplasmic reticulum stress and ischemic stroke, aiming to provide a reference for developing treatments for ischemic stroke.
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Affiliation(s)
- Yina Li
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Mingyang Li
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Shi Feng
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Qingxue Xu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Xu Zhang
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Xiaoxing Xiong
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Lijuan Gu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
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Min J, Chen Q, Pan M, Liu T, Gu Q, Zhang D, Sun R. Butylphthalide improves brain damage induced by renal ischemia-reperfusion injury rats through Nrf2/HO-1 and NOD2/MAPK/NF-κB pathways. Ren Fail 2023; 45:2259234. [PMID: 37732403 PMCID: PMC10515692 DOI: 10.1080/0886022x.2023.2259234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 09/11/2023] [Indexed: 09/22/2023] Open
Abstract
Renal ischemia-reperfusion (I/R) injury leads to irreversible brain damage with serious consequences. Activation of oxidative stress and release of inflammatory mediators are considered potential pathological mechanisms. Butylphthalide (NBP) has anti-inflammatory and antioxidant effects on I/R injuries. However, it is unclear whether NBP can effectively mitigate renal I/R secondary to brain injury as well as its mechanism, which are the aims of this study. Both renal I/R injury rats and oxygen and glucose deprivation cell models were established and pre-intervened NBP. The Morris water maze assay was used to detect behavior. Hippocampal histopathology and function were examined after renal I/R. Apoptosis and tube-forming capacity of brain microvascular endothelial cells (BMVECs) were tested. Immunohistochemistry and Western blot were used to measure protein expression of nuclear factor erythroid 2-related factor 2 (Nrf2)/Heme Oxygenase-1 (HO-1) pathway and NOD-like receptor C2 (NOD2)/Mitogen-activated protein kinases (MAPK)/Nuclear factor kappa-B (NF-κB) pathway. NBP treatment attenuated renal I/R-induced brain tissue damage and learning and memory dysfunction. NBP treatment inhibited apoptosis and promoted blood-brain barrier restoration and microangiogenesis. Also, it decreased oxidative stress levels and pro-inflammatory factor expression in renal I/R rats. Furthermore, NBP enhanced BMVECs' viability and tube-forming capacity while inhibiting apoptosis and oxidative stress. Notably, the alleviating effects of NBP were attributed to Nrf2/HO-1 pathway activation and NOD2/MAPK/NF-κB inhibition. This study demonstrates that NBP maintains BBB function by activating the Nrf2/HO-1 pathway and inhibiting the NOD2/MAPK/NF-κB pathway to suppress inflammation and oxidative stress, thereby alleviating renal I/R-induced brain injury.
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Affiliation(s)
- Jingjing Min
- Department of Neurology, The First People’s Hospital of Huzhou, First affiliated Hospital of Huzhou University, Huzhou, China
| | - Qi Chen
- Department of Nephrology, The First People’s Hospital of Huzhou, First affiliated Hospital of Huzhou University, Huzhou, China
| | - Mengxiong Pan
- Department of Neurology, The First People’s Hospital of Huzhou, First affiliated Hospital of Huzhou University, Huzhou, China
| | - Tan Liu
- Department of Neurology, The First People’s Hospital of Huzhou, First affiliated Hospital of Huzhou University, Huzhou, China
| | - Qun Gu
- Department of Neurology, The First People’s Hospital of Huzhou, First affiliated Hospital of Huzhou University, Huzhou, China
| | - Dongwei Zhang
- Department of Neurology, The First People’s Hospital of Huzhou, First affiliated Hospital of Huzhou University, Huzhou, China
| | - Ru Sun
- Department of Neurology, The First People’s Hospital of Huzhou, First affiliated Hospital of Huzhou University, Huzhou, China
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Zhao N, Gao Y, Jia H, Jiang X. Anti-apoptosis effect of traditional Chinese medicine in the treatment of cerebral ischemia-reperfusion injury. Apoptosis 2023; 28:702-729. [PMID: 36892639 DOI: 10.1007/s10495-023-01824-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/09/2023] [Indexed: 03/10/2023]
Abstract
Cerebral ischemia, one of the leading causes of neurological dysfunction of brain cells, muscle dysfunction, and death, brings great harm and challenges to individual health, families, and society. Blood flow disruption causes decreased glucose and oxygen, insufficient to maintain normal brain tissue metabolism, resulting in intracellular calcium overload, oxidative stress, neurotoxicity of excitatory amino acids, and inflammation, ultimately leading to neuronal cell necrosis, apoptosis, or neurological abnormalities. This paper summarizes the specific mechanism of cell injury that apoptosis triggered by reperfusion after cerebral ischemia, the related proteins involved in apoptosis, and the experimental progress of herbal medicine treatment through searching, analyzing, and summarizing the PubMed and Web Of Science databases, which includes active ingredients of herbal medicine, prescriptions, Chinese patent medicines, and herbal extracts, providing a new target or new strategy for drug treatment, and providing a reference for future experimental directions and using them to develop suitable small molecule drugs for clinical application. With the research of anti-apoptosis as the core, it is important to find highly effective, low toxicity, safe and cheap compounds from natural plants and animals with abundant resources to prevent and treat Cerebral ischemia/reperfusion (I/R) injury (CIR) and solve human suffering. In addition, understanding and summarizing the apoptotic mechanism of cerebral ischemia-reperfusion injury, the microscopic mechanism of CIR treatment, and the cellular pathways involved will help to develop new drugs.
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Affiliation(s)
- Nan Zhao
- Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Yuhe Gao
- Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Hongtao Jia
- Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Xicheng Jiang
- Heilongjiang University of Traditional Chinese Medicine, Harbin, China.
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Yuan FY, Ju C, Zang CX, Liu H, Shang MY, Ning JW, Yang Y, Ma JW, Li G, Yu Y, Yao XS, Bao XQ, Zhang D. Gardenia jasminoides Extract GJ-4 Alleviates Memory Deficiency of Vascular Dementia in Rats through PERK-Mediated Endoplasmic Reticulum Stress Pathway. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2022; 51:53-72. [PMID: 36458485 DOI: 10.1142/s0192415x23500040] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Endoplasmic reticulum stress (ERS) is involved in the pathological process of vascular dementia (VD). GJ-4 is extracted from Gardenia jasminoides J. Ellis and has been reported to have protective roles in ischemia-related brain damage. However, the role of GJ-4 in ERS has not been elucidated. We established a VD rat model through bilateral common carotid arteries occlusion (2-VO). The rats were intragastrically administrated with GJ-4 (10, 25, and 50[Formula: see text]mg/kg) and nimodipine (10[Formula: see text]mg/kg). Data from a Morris water maze test showed that GJ-4 could significantly alleviate learning and memory deficits in VD rats. Nissl and cleaved caspase-3 staining revealed that GJ-4 can inhibit apoptosis and thus exert a protective role in the brain of 2-VO rats. Western blot results suggested that GJ-4 significantly reduced ERS-related protein expression and inhibited apoptosis through suppression of the PERK/eIF2[Formula: see text]/ATF4/CHOP signaling pathway. For in vitro studies, the oxygen-glucose deprivation (OGD) SH-SY5Y model was employed. Western blot and Hoechst 33342/PI double staining were utilized to explore the effects of crocetin, the main active metabolite of GJ-4. Like GJ-4 in vivo, crocetin in vitro also decreased ERS-related protein expression and inhibited the activation of the PERK/eIF2[Formula: see text]/ATF4/CHOP signaling pathway. Thus, crocetin exerted similar protective roles on OGD challenged SH-SY5Y cells in vitro. In summary, GJ-4 and crocetin reduce the ERS in the brain of VD rats and SY5Y cells subjected to OGD and inhibit neuronal apoptosis through suppression of the PERK/eIF2[Formula: see text]/ATF4/CHOP pathway, suggesting that GJ-4 may be useful for the treatment of VD.
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Affiliation(s)
- Fang-Yu Yuan
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Cheng Ju
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Cai-Xia Zang
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Hui Liu
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Mei-Yu Shang
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Jing-Wen Ning
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Yang Yang
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Jing-Wei Ma
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Gen Li
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Yang Yu
- Institute of TCM and Natural Products, College of Pharmacy, Jinan University, Guangzhou, Guangdong Province 510632, P. R. China
| | - Xin-Sheng Yao
- Institute of TCM and Natural Products, College of Pharmacy, Jinan University, Guangzhou, Guangdong Province 510632, P. R. China
| | - Xiu-Qi Bao
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
| | - Dan Zhang
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materica Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, P. R. China
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Chen F, Ge Z, Li N, Yu Z, Wu R, Zhao Y, He X, Cai G. TUDCA protects against tunicamycin-induced apoptosis of dorsal root ganglion neurons by suppressing activation of ER stress. Exp Ther Med 2022; 24:509. [PMID: 35837048 PMCID: PMC9257946 DOI: 10.3892/etm.2022.11436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/05/2022] [Indexed: 11/29/2022] Open
Abstract
The existence of endoplasmic reticulum (ER) stress in neurodegenerative diseases has been well established. Tauroursodeoxycholic acid (TUDCA) is a bile acid taurine conjugate derived from ursodeoxycholic acid, which has been reported to exert cytoprotective effects on several types of cells by inhibiting ER stress. The present study explored the effects of TUDCA on primary cultured rat dorsal root ganglion (DRG) neurons. Cell viability and apoptosis of DRG neurons treated with TUDCA and tunicamycin were detected by CellTiter-Blue assay and TUNEL staining, respectively. The protein levels and phosphorylation of apoptosis and ERS-related signaling pathway molecules were detected by western blot, and the mRNA levels of related genes were assessed by reverse transcription-quantitative PCR. Notably, TUDCA had no significant cytotoxic effect on DRG neurons at concentrations ≤250 µM. In addition, the apoptosis induced by tunicamycin exposure was markedly suppressed by TUDCA, as indicated by the percentage of TUNEL-positive cells, the activities of caspases and the changes in expression levels of critical apoptosis factors. Furthermore, the cytotoxicity of tunicamycin in DRG neurons was accompanied by an increase in malondialdehyde (MDA) content, reactive oxygen species (ROS) and lactate dehydrogenase (LDH) production, and a decrease in glutathione (GSH) levels. The changes in oxidative stress-related factors (ROS, LDH, MDA and GSH) were reversed by TUDCA. Furthermore, as determined by western blotting, the increase in C/EBP homologous protein, glucose-regulated protein 78 and cleaved caspase-12 expression following tunicamycin treatment suggested the activation of ER stress. Downregulation of ER stress components and unfolded protein response sensors by TUDCA confirmed the implication of ER stress in the effects of TUDCA on DRG neurons. In conclusion, the present study indicated that TUDCA may protect against tunicamycin-induced DRG apoptosis by suppressing the activation of ER stress. The protective effect and the therapeutic value of TUDCA in nervous system injury require further study in animal models.
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Affiliation(s)
- Fangyi Chen
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai 201508, P.R. China
| | - Zhe Ge
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai 201508, P.R. China
| | - Nan Li
- Department of Stomatology, Jinshan Hospital, Fudan University, Shanghai 201508, P.R. China
| | - Zuochong Yu
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai 201508, P.R. China
| | - Rongbo Wu
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai 201508, P.R. China
| | - Yan Zhao
- Department of Clinical Laboratory, Jinshan Hospital, Fudan University, Shanghai 201508, P.R. China
| | - Xianwei He
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai 201508, P.R. China
| | - Guoping Cai
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai 201508, P.R. China
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Jangra A, Verma M, Kumar D, Chandrika C, Rachamalla M, Dey A, Dua K, Jha SK, Ojha S, Alexiou A, Kumar D, Jha NK. Targeting Endoplasmic Reticulum Stress using Natural Products in Neurological Disorders. Neurosci Biobehav Rev 2022; 141:104818. [DOI: 10.1016/j.neubiorev.2022.104818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/23/2022] [Accepted: 08/03/2022] [Indexed: 10/16/2022]
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10
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Yuan ZL, Zhang ZX, Mo YZ, Li DL, Xie L, Chen MH. Inhibition of extracellular signal-regulated kinase downregulates endoplasmic reticulum stress-induced apoptosis and decreases brain injury in a cardiac arrest rat model. Physiol Res 2022; 71:413-423. [PMID: 35616042 DOI: 10.33549/physiolres.934882] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Cerebral ischemia-reperfusion injury (CIRI) is the predominant cause of neurological disability after cardiac arrest/cardiopulmonary resuscitation (CA/CPR). The endoplasmic reticulum stress (ERs)-induced apoptosis plays an important role in neuronal survival/death in CIRI. Our previous studies reported that the extracellular signal-regulated kinase (ERK) inhibitor, PD98059, alleviates CIRI after CA/CPR. Whether ERs-induced apoptosis is involved in the neuroprotection of PD98059 remains unknown. This study aims to investigate the effects of ERK inhibition by PD98059 on ERs-induced apoptosis after CIRI in the CA/CPR rat model. The baseline characteristics of male adult Sprague-Dawley (SD) rats in all groups were evaluated before CA/CPR. The SD rats that survived from CA/CPR were randomly divided into 3 groups (n=12/group): normal saline group (1 ml/kg), dimethylsulfoxide (DMSO, the solvent of PD98059, 1 ml/kg) group, PD98059 group (0.3 mg/kg). Another 12 SD rats were randomly selected as the Sham group. Twenty-four hours after resuscitation, neural injury was assessed by survival rate, neurological deficit scores (NDS) and Nissl staining; apoptosis of brain cells was detected using terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining; mRNA expression and protein levels of ERs-related protein BIP, PERK, ATF4 and CHOP were checked with RT-PCR and Western Blot. The results showed that there were no significant differences in baseline characteristics before CA/CPR among all groups. PD98059 significantly improved survival rate and NDS, increased the Nissl bodies in neurons, reduced apoptosis, downregulated the mRNA transcription and expression levels of BIP, PERK, ATF4 and CHOP at 24 h after CA/CPR. Our results demonstrate that inhibition of ERK by PD98059 alleviates ERs-induced apoptosis via BIP-PERK-ATF4-CHOP signaling pathway and mitigates CIRI in the CA/CPR rat model.
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Affiliation(s)
- Z-L Yuan
- Department of Emergency Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China; Intensive Care Unit, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi People's Republic of China. ; Department of Physiology, Guangxi Medical University, Nanning, Guangxi, People's Republic of China.
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Wang L, Liu Y, Zhang X, Ye Y, Xiong X, Zhang S, Gu L, Jian Z, Wang H. Endoplasmic Reticulum Stress and the Unfolded Protein Response in Cerebral Ischemia/Reperfusion Injury. Front Cell Neurosci 2022; 16:864426. [PMID: 35602556 PMCID: PMC9114642 DOI: 10.3389/fncel.2022.864426] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/07/2022] [Indexed: 12/15/2022] Open
Abstract
Ischemic stroke is an acute cerebrovascular disease characterized by sudden interruption of blood flow in a certain part of the brain, leading to serious disability and death. At present, treatment methods for ischemic stroke are limited to thrombolysis or thrombus removal, but the treatment window is very narrow. However, recovery of cerebral blood circulation further causes cerebral ischemia/reperfusion injury (CIRI). The endoplasmic reticulum (ER) plays an important role in protein secretion, membrane protein folding, transportation, and maintenance of intracellular calcium homeostasis. Endoplasmic reticulum stress (ERS) plays a crucial role in cerebral ischemia pathophysiology. Mild ERS helps improve cell tolerance and restore cell homeostasis; however, excessive or long-term ERS causes apoptotic pathway activation. Specifically, the protein kinase R-like endoplasmic reticulum kinase (PERK), activating transcription factor 6 (ATF6), and inositol-requiring enzyme 1 (IRE1) pathways are significantly activated following initiation of the unfolded protein response (UPR). CIRI-induced apoptosis leads to nerve cell death, which ultimately aggravates neurological deficits in patients. Therefore, it is necessary and important to comprehensively explore the mechanism of ERS in CIRI to identify methods for preserving brain cells and neuronal function after ischemia.
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Affiliation(s)
- Lei Wang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yan Liu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xu Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yingze Ye
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaoxing Xiong
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shudi Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lijuan Gu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhihong Jian
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
- Zhihong Jian,
| | - Hongfa Wang
- Rehabilitation Medicine Center, Department of Anesthesiology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, China
- *Correspondence: Hongfa Wang,
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12
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Yan WT, Yang YD, Hu XM, Ning WY, Liao LS, Lu S, Zhao WJ, Zhang Q, Xiong K. Do pyroptosis, apoptosis, and necroptosis (PANoptosis) exist in cerebral ischemia? Evidence from cell and rodent studies. Neural Regen Res 2022; 17:1761-1768. [PMID: 35017436 PMCID: PMC8820688 DOI: 10.4103/1673-5374.331539] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Some scholars have recently developed the concept of PANoptosis in the study of infectious diseases where pyroptosis, apoptosis and necroptosis act in consort in a multimeric protein complex, PANoptosome. This allows all the components of PANoptosis to be regulated simultaneously. PANoptosis provides a new way to study the regulation of cell death, in that different types of cell death may be regulated at the same time. To test whether PANoptosis exists in diseases other than infectious diseases, we chose cerebral ischemia/reperfusion injury as the research model, collected articles researching cerebral ischemia/reperfusion from three major databases, obtained the original research data from these articles by bibliometrics, data mining and other methods, then integrated and analyzed these data. We selected papers that investigated at least two of the components of PANoptosis to check its occurrence in ischemia/reperfusion. In the cell model simulating ischemic brain injury, pyroptosis, apoptosis and necroptosis occur together and this phenomenon exists widely in different passage cell lines or primary neurons. Pyroptosis, apoptosis and necroptosis also occurred in rat and mouse models of ischemia/reperfusion injury. This confirms that PANoptosis is observed in ischemic brain injury and indicates that PANoptosis can be a target in the regulation of various central nervous system diseases.
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Affiliation(s)
- Wei-Tao Yan
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan Province, China
| | - Yan-Di Yang
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan Province, China
| | - Xi-Min Hu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Wen-Ya Ning
- Department of Human Resources, Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Lyu-Shuang Liao
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan Province, China
| | - Shuang Lu
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan Province, China
| | - Wen-Juan Zhao
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan Province, China
| | - Qi Zhang
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan Province, China
| | - Kun Xiong
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University; Hunan Key Laboratory of Ophthalmology, Changsha, Hunan Province, China
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13
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Ma H, Hu ZC, Long Y, Cheng LC, Zhao CY, Shao MK. Tanshinone IIA Microemulsion Protects against Cerebral Ischemia Reperfusion Injury via Regulating H3K18ac and H4K8ac In Vivo and In Vitro. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2022; 50:1845-1868. [DOI: 10.1142/s0192415x22500781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Tanshinone IIA (TanIIA) has neuroprotective effects against cerebral ischemia reperfusion injury (CIRI), but its clinical application is limited due to poor water solubility and robust first pass elimination property. In this study, we developed microemulsion loaded with TanIIA (TanIIA ME) to break through these limitations, and explored the neuroprotective effect of TanIIA ME against CIRI and the epigenetic regulation mechanism of this neuroprotection. In vivo, middle cerebral artery occlusion (MCAO) models were treated with TanIIA ME and TanIIA solution or sodium valproate as a control. The effect of TanIIA ME on HDAC activity was determined by ELISA assay. In addition, we used primary hippocampal neurons to establish oxygen-glucose deprivation and reoxygenation (OGD/R) models. Lactate dehydrogenase (LDH) assay and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay were performed to investigate the neuroprotective efficacy of TanIIA ME. Subsequently, the expression of H3K18ac, H4K8ac, NMDAR1, caspase-3, and MAP-2 were investigated in MCAO or OGD/R models treated with TanIIA ME, TanIIA solution or sodium valproate. In vivo experimental results indicated that TanIIA ME significantly reduced neurological scores, infarction volume, and HDAC activity compared with TanIIA solution and MCAO group, accompanied by upregulation of H3K18ac, H4K8ac, and MAP-2 expression and downregulation of NMDAR1 and caspase-3 expression. Additionally, in OGD/R models, the results demonstrated that TanIIA ME treatment had a better neuroprotective effect along with increased H3K18ac, H4K8ac, and MAP-2 expression and decreased NMDAR1 and caspase-3 expression, compared with the other treatments except sodium valproate. Overall, TanIIA ME treatment exhibited superior efficacy in protecting against CIRI through mechanisms that might involve the inhibition of NMDAR1 and caspase-3 expression and the enhancement of MAP-2 expression by regulating histone H3K18 and H4K8 acetylation. Thus, TanIIA ME could be potentially used to develop a promising drug for the treatment of ischemic stroke.
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Affiliation(s)
- Hui Ma
- Department of Pharmacy, The Second Affiliated Hospital of Dalian Medical University, Dalian 116027, P. R. China
| | - Zeng-Chun Hu
- Department of Neurosurgery, The Second Affiliated Hospital of Dalian Medical University, Dalian 116027, P. R. China
| | - Yu Long
- Department of Pharmacy, The Second Affiliated Hospital of Dalian Medical University, Dalian 116027, P. R. China
| | - Li-Chun Cheng
- Department of Pharmacy, The Second Affiliated Hospital of Dalian Medical University, Dalian 116027, P. R. China
| | - Chen-Yang Zhao
- Department of Pharmacy, The Second Affiliated Hospital of Dalian Medical University, Dalian 116027, P. R. China
| | - Ming-Kun Shao
- Department of Pharmacy, The Second Affiliated Hospital of Dalian Medical University, Dalian 116027, P. R. China
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14
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Fei H, Xiang P, Luo W, Tan X, Gu C, Liu M, Chen M, Wang Q, Yang J. CTRP1 Attenuates Cerebral Ischemia/Reperfusion Injury via the PERK Signaling Pathway. Front Cell Dev Biol 2021; 9:700854. [PMID: 34422821 PMCID: PMC8371340 DOI: 10.3389/fcell.2021.700854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 07/01/2021] [Indexed: 12/11/2022] Open
Abstract
Cerebral ischemic stroke is one of the leading causes of death worldwide. Previous studies have shown that circulating levels of CTRP1 are upregulated in patients with acute ischemic stroke. However, the function of CTRP1 in neurons remains unclear. The purpose of this study was to explore the role of CTRP1 in cerebral ischemia reperfusion injury (CIRI) and to elucidate the underlying mechanism. Middle cerebral artery occlusion/reperfusion (MCAO/R) and oxygen-glucose deprivation/reoxygenation (OGD/R) models were used to simulate cerebral ischemic stroke in vivo and in vitro, respectively. CTRP1 overexpression lentivirus and CTRP1 siRNA were used to observe the effect of CTRP1 expression, and the PERK selective activator CCT020312 was used to activate the PERK signaling pathway. We found the decreased expression of CTRP1 in the cortex of MCAO/R-treated rats and OGD/R-treated primary cortical neurons. CTRP1 overexpression attenuated CIRI, accompanied by the reduction of apoptosis and suppression of the PERK signaling pathway. Interference with CTRP1 expression in vitro aggravated apoptotic activity and increased the expression of proteins involved in the PERK signaling pathway. Moreover, activating the PERK signaling pathway abolished the protective effects of CTRP1 on neuron injury induced by CIRI in vivo and in vitro. In conclusion, CTRP1 protects against CIRI by reducing apoptosis and endoplasmic reticulum stress (ERS) through inhibiting the PERK-dependent signaling pathway, suggesting that CTRP1 plays a crucial role in the pathogenesis of CIRI.
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Affiliation(s)
- Huizhi Fei
- Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China.,Chongqing Three Gorges Medical College, Chongqing, China
| | - Pu Xiang
- Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Wen Luo
- Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Xiaodan Tan
- Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Chao Gu
- Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Maozhu Liu
- Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Mengyuan Chen
- Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Qiong Wang
- Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Junqing Yang
- Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
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