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Zhu Y, Sun C. Inactivation of cGAS signaling pathway mediated by TDP-43 deficiency protects microglia from hypoxia/reoxygenation induced injury. Brain Res 2024; 1839:148999. [PMID: 38761845 DOI: 10.1016/j.brainres.2024.148999] [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: 03/20/2024] [Revised: 05/10/2024] [Accepted: 05/15/2024] [Indexed: 05/20/2024]
Abstract
BACKGROUND Microglia are damaged during cerebral ischemia-reperfusion (I/R). This study was performed to investigate the regulatory effect of tAR DNA-binding protein-43 (TDP-43) on microglia after cerebral I/R in vitro and in vivo. METHOD The hypoxia/reoxygenation (H/R) treated microglia and rats with middle cerebral artery occlusion surgery were constructed respectively. The TDP-43 expression in brain tissues and microglia of each group was evaluated by qPCR and western blotting methods. Cell viability and cell apoptosis were combined to evaluate the degree of cell injury. As for animal experiments, neurological score and infarct volume were obtained to evaluate neurological injury. RESULTS The levels of TDP-43 in the brain tissues of I/R group were higher than that in sham group. Both TDP-43 and Iba1, a typical microglia marker, were expressed in the brain tissues. TDP-43 was also elevated in microglia with H/R treatment. Inhibition of TDP-43 significantly down-regulated neurological deficit scores of rats after I/R surgery, and weakened the H/R treatment induced injury by promoting cell viability, inhibiting cell apoptosis, down-regulating IL-6 and iNOS levels, and up-regulating Arg-1 and IL-10 levels. Inactivation of cGAS pathway mediated by TDP-43 knockdown protects microglia from H/R treatment induced injury. CONCLUSION The highly expressed TDP-43 level is associated with cerebral I/R, and inhibition of TDP-43 protects microglia from H/R induced injury through cGAS pathway in vitro and in vivo.
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Affiliation(s)
- Yingjie Zhu
- Department of Emergency/Critical Care Medicine, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Chen Sun
- Department of ENT, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China.
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2
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Liang JY, Gao S, Jiang JM, Zhang P, Zou W, Tang XQ, Tang YY. Itaconate inhibits corticosterone-induced necroptosis and neuroinflammation via up-regulating menin in HT22 cells. J Physiol Biochem 2024; 80:393-405. [PMID: 38427168 DOI: 10.1007/s13105-024-01012-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 02/21/2024] [Indexed: 03/02/2024]
Abstract
Corticosterone (CORT) damages hippocampal neurons as well as induces neuroinflammation. The tricarboxylic acid cycle metabolite itaconate has an anti-inflammatory role. Necroptosis is a form of programmed cell death, also known as inflammatory cell death. Menin is a multifunctional scaffold protein, which deficiency aggravates neuroinflammation. In this study, we explored whether itaconate inhibits CORT-induced neuroinflammation as well as necroptosis and further investigated the mediatory role of Menin in this protective effect of itaconate by using an exposure of CORT to HT22 cells (a hippocampal neuronal cell line). The viability of HT22 cells was examined by the cell counting kit 8 (CCK-8). The morphology of HT22 cells was observed by transmission electron microscope (TEM). The expressions of necroptosis-related proteins (p-RIP1/RIP1, p-RIP3/RIP3, and p-MLKL/MLKL) were evaluated by western blotting. The contents of inflammatory factors were detected by an enzyme-linked immunosorbent assay (ELISA) kit. Our results showed that CORT increases the contents of pro-inflammatory factors (IL-1β, TNF-α) as well as decreases the contents of anti-inflammatory factors (IL-4, IL-10) in HT22 cells. We also found that CORT increases the expressions of necroptosis-related proteins (p-RIP1/RIP1, p-RIP3/RIP3, and p-MLKL/MLKL) and decreases the cell viability in HT22 cells, indicating that CORT induces necroptosis in HT22 cells. Itaconate improves CORT-induced neuroinflammation and necroptosis. Furthermore, itaconate upregulates the expression of Menin in CORT-exposed HT22 cells. Importantly, silencing Menin abolishes the antagonistic effect of itaconate on CORT-induced necroptosis and neuroinflammation. In brief, these results indicated that itaconate protects HT22 cells against CORT-induced neuroinflammation and necroptosis via upregulating Menin.
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Affiliation(s)
- Jin-Yu Liang
- Institute of Neuroscience, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China
| | - Shan Gao
- Institute of Neuroscience, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China
| | - Jia-Mei Jiang
- Institute of Neuroscience, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China
| | - Pin Zhang
- Department of Neurology, Affiliated Nanhua Hospital, University of South China, No. 336 S Dongfeng Road, Hengyang, 421002, Hunan Province, People's Republic of China
| | - Wei Zou
- Department of Neurology, Affiliated Nanhua Hospital, University of South China, No. 336 S Dongfeng Road, Hengyang, 421002, Hunan Province, People's Republic of China
| | - Xiao-Qing Tang
- Institute of Neuroscience, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China.
- Department of Neurology, The Second Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, People's Republic of China.
| | - Yi-Yun Tang
- Institute of Neuroscience, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China.
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Wu Y, Xu Y, Sun J, Dai K, Wang Z, Zhang J. Inhibiting RIPK1-driven neuroinflammation and neuronal apoptosis mitigates brain injury following experimental subarachnoid hemorrhage. Exp Neurol 2024; 374:114705. [PMID: 38290652 DOI: 10.1016/j.expneurol.2024.114705] [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: 09/29/2023] [Revised: 01/14/2024] [Accepted: 01/26/2024] [Indexed: 02/01/2024]
Abstract
RIPK1, a receptor-interacting serine/threonine protein kinase, plays a crucial role in maintaining cellular and tissue homeostasis by integrating inflammatory responses and cell death signaling pathways including apoptosis and necroptosis, which have been implicated in diverse physiological and pathological processes. Suppression of RIPK1 activation is a promising strategy for restraining the pathological progression of many human diseases. Neuroinflammation and neuronal apoptosis are two pivotal factors in the pathogenesis of brain injury following subarachnoid hemorrhage (SAH). In this study, we established in vivo and in vitro models of SAH to investigate the activation of RIPK1 kinase in both microglia and neurons. We observed the correlation between RIPK1 kinase activity and microglia-mediated inflammation as well as neuronal apoptosis. We then investigated whether inhibition of RIPK1 could alleviate neuroinflammation and neuronal apoptosis following SAH, thereby reducing brain edema and ameliorating neurobehavioral deficits. Additionally, the underlying mechanisms were also explored. Our research findings revealed the activation of RIPK1 kinase in both microglia and neurons following SAH, as marked by the phosphorylation of RIPK1 at serine 166. The upregulation of p-RIPK1(S166) resulted in a significant augmentation of inflammatory cytokines and chemokines, including TNF-α, IL-6, IL-1α, CCL2, and CCL5, as well as neuronal apoptosis. The activation of RIPK1 in microglia and neurons following SAH could be effectively suppressed by administration of Nec-1 s, a specific inhibitor of RIPK1. Consequently, inhibition of RIPK1 resulted in a downregulation of inflammatory cytokines and chemokines and attenuation of neuronal apoptosis after SAH in vitro. Furthermore, the administration of Nec-1 s effectively mitigated neuroinflammation, neuronal apoptosis, brain edema, and neurobehavioral deficits in mice following SAH. Our findings suggest that inhibiting RIPK1 kinase represents a promising therapeutic strategy for mitigating brain injury after SAH by attenuating RIPK1-driven neuroinflammation and neuronal apoptosis.
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Affiliation(s)
- Yan Wu
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yao Xu
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Jingshan Sun
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Kun Dai
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhong Wang
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, China.
| | - Jian Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, China.
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4
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Bai Y, Qiao Y, Li M, Yang W, Chen H, Wu Y, Zhang H. RIPK1 inhibitors: A key to unlocking the potential of necroptosis in drug development. Eur J Med Chem 2024; 265:116123. [PMID: 38199165 DOI: 10.1016/j.ejmech.2024.116123] [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: 11/19/2023] [Revised: 01/02/2024] [Accepted: 01/02/2024] [Indexed: 01/12/2024]
Abstract
Within the field of medical science, there is a great deal of interest in investigating cell death pathways in the hopes of discovering new drugs. Over the past two decades, pharmacological research has focused on necroptosis, a cell death process that has just been discovered. Receptor-interacting protein kinase 1 (RIPK1), an essential regulator in the cell death receptor signalling pathway, has been shown to be involved in the regulation of important events, including necrosis, inflammation, and apoptosis. Therefore, researching necroptosis inhibitors offers novel ways to treat a variety of disorders that are not well-treated by the therapeutic medications now on the market. The research and medicinal potential of RIPK1 inhibitors, a promising class of drugs, are thoroughly examined in this study. The journey from the discovery of Necrostatin-1 (Nec-1) to the recent advancements in RIPK1 inhibitors is marked by significant progress, highlighting the integration of traditional medicinal chemistry approaches with modern technologies like high-throughput screening and DNA-encoded library technology. This review presents a thorough exploration of the development and therapeutic potential of RIPK1 inhibitors, a promising class of compounds. Simultaneously, this review highlights the complex roles of RIPK1 in various pathological conditions and discusses potential inhibitors discovered through diverse pathways, emphasizing their efficacy against multiple disease models, providing significant guidance for the expansion of knowledge about RIPK1 and its inhibitors to develop more selective, potent, and safe therapeutic agents.
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Affiliation(s)
- Yinliang Bai
- Department of Pharmacy, Lanzhou University Second Hospital, Lanzhou, 730030, China; School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Yujun Qiao
- Department of Pharmacy, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Mingming Li
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Wenzhen Yang
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Haile Chen
- Department of Pharmacy, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Yanqing Wu
- Department of Pharmacy, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Honghua Zhang
- Department of Pharmacy, National University of Singapore, Singapore, 117544, Singapore.
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5
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Ren K, Pei J, Guo Y, Jiao Y, Xing H, Xie Y, Yang Y, Feng Q, Yang J. Regulated necrosis pathways: a potential target for ischemic stroke. BURNS & TRAUMA 2023; 11:tkad016. [PMID: 38026442 PMCID: PMC10656754 DOI: 10.1093/burnst/tkad016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 12/24/2022] [Indexed: 12/01/2023]
Abstract
Globally, ischemic stroke causes millions of deaths per year. The outcomes of ischemic stroke are largely determined by the amount of ischemia-related and reperfusion-related neuronal death in the infarct region. In the infarct region, cell injuries follow either the regulated pathway involving precise signaling cascades, such as apoptosis and autophagy, or the nonregulated pathway, which is uncontrolled by any molecularly defined effector mechanisms such as necrosis. However, numerous studies have recently found that a certain type of necrosis can be regulated and potentially modified by drugs and is nonapoptotic; this type of necrosis is referred to as regulated necrosis. Depending on the signaling pathway, various elements of regulated necrosis contribute to the development of ischemic stroke, such as necroptosis, pyroptosis, ferroptosis, pathanatos, mitochondrial permeability transition pore-mediated necrosis and oncosis. In this review, we aim to summarize the underlying molecular mechanisms of regulated necrosis in ischemic stroke and explore the crosstalk and interplay among the diverse types of regulated necrosis. We believe that targeting these regulated necrosis pathways both pharmacologically and genetically in ischemia-induced neuronal death and protection could be an efficient strategy to increase neuronal survival and regeneration in ischemic stroke.
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Affiliation(s)
- Kaidi Ren
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Henan Engineering Research Center for Application & Translation of Precision Clinical Pharmacy, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou University, Zhengzhou 450052, China
| | - Jinyan Pei
- Quality Management Department, Henan No. 3 Provincial People’s Hospital, Henan No. 3 Provincial People’s Hospital, Zhengzhou 450052, China
| | - Yuanyuan Guo
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Henan Engineering Research Center for Application & Translation of Precision Clinical Pharmacy, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou University, Zhengzhou 450052, China
| | - Yuxue Jiao
- Quality Management Department, Henan No. 3 Provincial People’s Hospital, Henan No. 3 Provincial People’s Hospital, Zhengzhou 450052, China
| | - Han Xing
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Henan Engineering Research Center for Application & Translation of Precision Clinical Pharmacy, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou University, Zhengzhou 450052, China
| | - Yi Xie
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou University, Zhengzhou 450052, China
| | - Yang Yang
- Research Center for Clinical System Biology, Translational Medicine Center, No. 1 Jianshe Dong Road, ErQi District, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Qi Feng
- Research Institute of Nephrology, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Department of Integrated Traditional and Western Nephrology, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Henan Province Research Center for Kidney Disease, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
| | - Jing Yang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou 450052, China
- Henan Engineering Research Center for Application & Translation of Precision Clinical Pharmacy, No. 1 Jianshe Dong Road, ErQi District, Zhengzhou University, Zhengzhou 450052, China
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6
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Zhou M, Xin J, Chen J, Sun C, Huo B, Zhang W, Liu X. Scientific Landscape of Oxidative Stress in Stroke: From a Bibliometric Analysis to an in-Depth Review. Neurochem Res 2023; 48:3327-3348. [PMID: 37505366 DOI: 10.1007/s11064-023-03999-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 07/29/2023]
Abstract
Stroke is an acute cerebrovascular disease resulting from either obstruction or rupture of a blood vessel in the brain. Oxidative stress (OS), referred to a status where cellular oxidative capacities overwhelm antioxidative defenses, is involved in the pathophysiology of stroke. The bibliometric analysis and in-depth review aim to depict the research trend of OS in stroke. Relevant scientific publications were acquired from the Web of Science Core Collection database. Scientific landscape of OS in stroke was illustrated by general quantitative trend, impactful journals, and co-authorship of various academic units (i.e., countries/regions, organizations, and authors). Furthermore, theme analysis predicting the hot research issues and frontiers was performed. 15,826 documents regarding OS in stroke were obtained over a time span of more than 20 years from 1992 to 2021. The overall tendency of publication counts was continuously on the rise. Bibliometric analysis indicated China and the United States were predominant in this study field, as reflected by their high publication counts and intensive collaboration with other countries. Current key research areas of OS in stroke may lie in the investigation of neuroinflammation, and interaction among multiple cell death mechanisms including apoptosis, autophagy, and ferroptosis to search for effective treatments. Moreover, another hot topic could be the association between air pollution and stroke, and its underlying mechanisms. As the exploration of OS in stroke is speculated to be a continuous hot spot in the future, this article may be helpful for researchers to conduct future studies with the understanding of influential academic forces and research highlights.
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Affiliation(s)
- Minqi Zhou
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China
| | - Jiayu Xin
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China
| | - Jinyu Chen
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Caiyun Sun
- Brain Science and Advanced Technology Institute, School of Medicine, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Bingyue Huo
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China
| | - Wenting Zhang
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China
| | - Xiangqian Liu
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China.
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7
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Du X, Amin N, Xu L, Botchway BOA, Zhang B, Fang M. Pharmacological intervention of curcumin via the NLRP3 inflammasome in ischemic stroke. Front Pharmacol 2023; 14:1249644. [PMID: 37915409 PMCID: PMC10616488 DOI: 10.3389/fphar.2023.1249644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/26/2023] [Indexed: 11/03/2023] Open
Abstract
Ischemic-induced neuronal injury arises due to low oxygen/nutrient levels and an inflammatory response that exacerbates neuronal loss. NOD-like receptor family pyrin domain-containing 3 (NLRP3) is an important regulator of inflammation after ischemic stroke, with its inhibition being involved in nerve regeneration. Curcumin, a main active ingredient in Chinese herbs, plays a positive role in neuronal repair and neuroprotection by regulating the NLRP3 signaling pathway. Nevertheless, the signaling mechanisms relating to how curcumin regulates NLRP3 inflammasome in inflammation and neural restoration following ischemic stroke are unknown. In this report, we summarize the main biological functions of the NLRP3 inflammasome along with the neuroprotective effects and underlying mechanisms of curcumin via impairment of the NLRP3 pathway in ischemic brain injury. We also discuss the role of medicinal interventions that target the NLRP3 and potential pathways, as well as possible directions for curcumin therapy to penetrate the blood-brain barrier (BBB) and hinder inflammation in ischemic stroke. This report conclusively demonstrates that curcumin has neuroprotective properties that inhibit inflammation and prevent nerve cell loss, thereby delaying the progression of ischemic brain damage.
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Affiliation(s)
- Xiaoxue Du
- Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Nashwa Amin
- Institute of System Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Department of Zoology, Faculty of Science, Aswan University, Aswan, Egypt
| | - Linhao Xu
- Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Department of Cardiology, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Benson O. A. Botchway
- Department of Neurology, Children’s Hospital of Zhejiang University School of Medicine, National Clinical Research Centre for Child Health, Hangzhou, China
- Pharmacy Department, Bupa Cromwell Hospital, London, United Kingdom
| | - Bo Zhang
- Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Marong Fang
- Department of Neurology, Children’s Hospital of Zhejiang University School of Medicine, National Clinical Research Centre for Child Health, Hangzhou, China
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8
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Li SS, Wu JJ, Xing XX, Li YL, Ma J, Duan YJ, Zhang JP, Shan CL, Hua XY, Zheng MX, Xu JG. Focal ischemic stroke modifies microglia-derived exosomal miRNAs: potential role of mir-212-5p in neuronal protection and functional recovery. Biol Res 2023; 56:52. [PMID: 37789455 PMCID: PMC10548705 DOI: 10.1186/s40659-023-00458-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 07/27/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND Ischemic stroke is a severe type of stroke with high disability and mortality rates. In recent years, microglial exosome-derived miRNAs have been shown to be promising candidates for the treatment of ischemic brain injury and exert neuroprotective effects. Mechanisms underlying miRNA dysregulation in ischemic stroke are still being explored. Here, we aimed to verify whether miRNAs derived from exosomes exert effects on functional recovery. METHODS MiR-212-5p agomir was employed to upregulate miR-212-5p expression in a rat model of middle cerebral artery occlusion/reperfusion (MCAO/R) as well as an oxygen-glucose deprivation/reoxygenation (OGD/R) in vitro. Western blot analysis, qRT-PCR and immunofluorescence staining and other methods were applied to explore the underlying mechanisms of action of miR-212-5p. RESULTS The results of our study found that intervention with miR-212-5p agomir effectively decreased infarct volume and restored motor function in MCAO/R rats. Mechanistically, miR-212-5p agomir significantly reduced the expression of PlexinA2 (PLXNA2). Additionally, the results obtained in vitro were similar to those achieved in vivo. CONCLUSION In conclusion, the present study indicated that PLXNA2 may be a target gene of miR-212-5p, and miR-212-5p has great potential as a target for the treatment and diagnosis of ischemic stroke.
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Affiliation(s)
- Si-Si Li
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, NO. 1200, Cailun Road, Shanghai, 201203, Shanghai, China
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital, Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Jia-Jia Wu
- Center of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Xiang-Xin Xing
- Center of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Yu-Lin Li
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, NO. 1200, Cailun Road, Shanghai, 201203, Shanghai, China
| | - Jie Ma
- Center of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Yu-Jie Duan
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, NO. 1200, Cailun Road, Shanghai, 201203, Shanghai, China
| | - Jun-Peng Zhang
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, NO. 1200, Cailun Road, Shanghai, 201203, Shanghai, China
| | - Chun-Lei Shan
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, NO. 1200, Cailun Road, Shanghai, 201203, Shanghai, China
- Center of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
- Engineering Research Center of Traditional Chinese Medicine Intelligent Rehabilitation, Ministry of Education, Shanghai, China
| | - Xu-Yun Hua
- Department of Traumatology and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China.
| | - Mou-Xiong Zheng
- Department of Traumatology and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China.
| | - Jian-Guang Xu
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, NO. 1200, Cailun Road, Shanghai, 201203, Shanghai, China.
- Engineering Research Center of Traditional Chinese Medicine Intelligent Rehabilitation, Ministry of Education, Shanghai, China.
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Wu J, Huang Y, Zhan C, Chen L, Lin Z, Song Z. Thioredoxin-1 promotes the restoration of alveolar bone in periodontitis with diabetes. iScience 2023; 26:107618. [PMID: 37664614 PMCID: PMC10470393 DOI: 10.1016/j.isci.2023.107618] [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] [Received: 01/12/2023] [Revised: 07/19/2023] [Accepted: 08/09/2023] [Indexed: 09/05/2023] Open
Abstract
Treatment of periodontitis in people with diabetes remains challenging. The present study aimed to investigate the therapeutic potential of thioredoxin-1 (TRX1) in periodontitis with diabetes, as well as its role in modulating osteogenic differentiation. Our findings indicated that the production of reactive oxygen species (ROS) was elevated, while the expression of TRX1 was significantly reduced in the periodontal tissues of periodontitis mice with diabetes. Furthermore, knockdown of TRX1 in periodontal ligament stem cells (PDLSCs) resulted in the inhibition of osteogenic differentiation through disrupting Wnt/β-catenin signaling. However, this inhibition was restored upon administration of recombinant human TRX1 (rhTRX1). Importantly, rhTRX1 treatment decreased ROS generation, activated Wnt/β-catenin signal pathway and considerably promoted the alveolar bone repair of periodontitis mice with diabetes. These findings highlighted the crucial protective role of TRX1 in periodontitis with diabetes and suggested that it may serve as a potential therapeutic target for refractory periodontitis associated with oxidative stress.
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Affiliation(s)
- Jinyan Wu
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
- Yunnan Key Laboratory of Stomatology, Kunming Medical University School and Hospital of Stomatology, Kunming 650106, China
| | - Yaxian Huang
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Chi Zhan
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Lingling Chen
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Zhengmei Lin
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Zhi Song
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
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10
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Noriega‐Navarro R, Martínez‐Tapia RJ, González‐Rivera R, Ochoa‐Sánchez A, Abarca‐Magaña JC, Landa‐Navarro L, Rodríguez‐Mata V, Ugalde‐Muñiz P, Pérez‐Torres A, Landa A, Navarro L. The effect of thioredoxin-1 in a rat model of traumatic brain injury depending on diurnal variation. Brain Behav 2023; 13:e3031. [PMID: 37157915 PMCID: PMC10275561 DOI: 10.1002/brb3.3031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/17/2023] [Accepted: 04/17/2023] [Indexed: 05/10/2023] Open
Abstract
INTRODUCTION Traumatic brain injury (TBI) is a public health concern with limited treatment options because it causes a cascade of side effects that are the leading cause of hospital death. Thioredoxin is an enzyme with neuroprotective properties such as antioxidant, antiapoptotic, immune response modulator, and neurogenic, among others; it has been considered a therapeutic target for treating many disorders. METHODS The controlled cortical impact (CCI) model was used to assess the effect of recombinant human thioredoxin 1 (rhTrx1) (1 μg/2 μL, intracortical) on rats subjected to TBI at two different times of the light-dark cycle (01:00 and 13:00 h). We analyzed the food intake, body weight loss, motor coordination, pain perception, and histology in specific hippocampus (CA1, CA2, CA3, and Dental Gyrus) and striatum (caudate-putamen) areas. RESULTS Body weight loss, reduced food intake, spontaneous pain, motor impairment, and neuronal damage in specific hippocampus and striatum regions are more evident in rats subjected to TBI in the light phase than in the dark phase of the cycle and in groups that did not receive rhTrx1 or minocycline (as positive control). Three days after TBI, there is a recovery in body weight, food intake, motor impairment, and pain, which is more pronounced in the rats subjected to TBI at the dark phase of the cycle and those that received rhTrx1 or minocycline. CONCLUSIONS Knowing the time of day a TBI occurs in connection to the neuroprotective mechanisms of the immune response in diurnal variation and the usage of the Trx1 protein might have a beneficial therapeutic impact in promoting quick recovery after a TBI.
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Affiliation(s)
- Roxana Noriega‐Navarro
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | | | - Rubén González‐Rivera
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Alicia Ochoa‐Sánchez
- Departamento de Microbiología y Parasitología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Julio César Abarca‐Magaña
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Lucía Landa‐Navarro
- Simons Initiative for the Developing Brain, Centre for Discovery Brain SciencesUniversity of EdinburghEdinburghUK
| | - Verónica Rodríguez‐Mata
- Departamento de Biología Celular y Tisular, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Perla Ugalde‐Muñiz
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Armando Pérez‐Torres
- Departamento de Biología Celular y Tisular, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Abraham Landa
- Departamento de Microbiología y Parasitología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Luz Navarro
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
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11
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She R, Liu D, Liao J, Wang G, Ge J, Mei Z. Mitochondrial dysfunctions induce PANoptosis and ferroptosis in cerebral ischemia/reperfusion injury: from pathology to therapeutic potential. Front Cell Neurosci 2023; 17:1191629. [PMID: 37293623 PMCID: PMC10244524 DOI: 10.3389/fncel.2023.1191629] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 05/05/2023] [Indexed: 06/10/2023] Open
Abstract
Ischemic stroke (IS) accounts for more than 80% of the total stroke, which represents the leading cause of mortality and disability worldwide. Cerebral ischemia/reperfusion injury (CI/RI) is a cascade of pathophysiological events following the restoration of blood flow and reoxygenation, which not only directly damages brain tissue, but also enhances a series of pathological signaling cascades, contributing to inflammation, further aggravate the damage of brain tissue. Paradoxically, there are still no effective methods to prevent CI/RI, since the detailed underlying mechanisms remain vague. Mitochondrial dysfunctions, which are characterized by mitochondrial oxidative stress, Ca2+ overload, iron dyshomeostasis, mitochondrial DNA (mtDNA) defects and mitochondrial quality control (MQC) disruption, are closely relevant to the pathological process of CI/RI. There is increasing evidence that mitochondrial dysfunctions play vital roles in the regulation of programmed cell deaths (PCDs) such as ferroptosis and PANoptosis, a newly proposed conception of cell deaths characterized by a unique form of innate immune inflammatory cell death that regulated by multifaceted PANoptosome complexes. In the present review, we highlight the mechanisms underlying mitochondrial dysfunctions and how this key event contributes to inflammatory response as well as cell death modes during CI/RI. Neuroprotective agents targeting mitochondrial dysfunctions may serve as a promising treatment strategy to alleviate serious secondary brain injuries. A comprehensive insight into mitochondrial dysfunctions-mediated PCDs can help provide more effective strategies to guide therapies of CI/RI in IS.
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Affiliation(s)
- Ruining She
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Danhong Liu
- Medical School, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Jun Liao
- Medical School, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Guozuo Wang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Jinwen Ge
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
- Hunan Academy of Traditional Chinese Medicine, Changsha, Hunan, China
| | - Zhigang Mei
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
- Third-Grade Pharmacological Laboratory on Chinese Medicine Approved by State Administration of Traditional Chinese Medicine, China Three Gorges University, Yichang, Hubei, China
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12
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Qiao C, Niu G, Zhao W, Quan W, Zhou Y, Zhang M, Li T, Zhou S, Huang W, Zhao L, Wu J, Cui C, Shen Y. RIPK1-Induced A1 Reactive Astrocytes in Brain in MPTP-Treated Murine Model of Parkinson's Disease. Brain Sci 2023; 13:brainsci13050733. [PMID: 37239205 DOI: 10.3390/brainsci13050733] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/15/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023] Open
Abstract
Neuroinflammation is one of the hallmarks of Parkinson's disease, including the massive activation of microglia and astrocytes and the release of inflammatory factors. Receptor-interacting protein kinase 1 (RIPK1) is reported to mediate cell death and inflammatory signaling, and is markedly elevated in the brain in PD mouse models. Here, we aim to explore the role of RIPK1 in regulating the neuroinflammation of PD. C57BL/6J mice were intraperitoneally injected with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP; 20 mg/kg four times/day), followed by necrostatin-1 treatment (Nec-1, RIPK1 inhibitor; 1.65 mg/kg once daily for seven days. Notably, the first Nec-1 was given 12 h before MPTP modeling). Behavioral tests indicated that inhibition of RIPK1 greatly relieved motor dysfunction and anxiety-like behaviors of PD mice. It also increased striatal TH expression, rescue the loss of dopaminergic neurons, and reduce activation of astrocytes in the striatum of PD mice. Furthermore, inhibition of RIPK1 expression reduced A1 astrocytes' relative gene expression (CFB, H2-T23) and inflammatory cytokine or chemokine production (CCL2, TNF-α, IL-1β) in the striatum of PD mice. Collectively, inhibition of RIPK1 expression can provide neuroprotection to PD mice, probably through inhibition of the astrocyte A1 phenotype, and thus RIPK1 might be an important target in PD treatment.
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Affiliation(s)
- Chenmeng Qiao
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Guyu Niu
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Weijiang Zhao
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Wei Quan
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Yu Zhou
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Meixuan Zhang
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Ting Li
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Shengyang Zhou
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Wenyan Huang
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Liping Zhao
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Jian Wu
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Chun Cui
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
| | - Yanqin Shen
- Department of Neurodegeneration and Injury, Wuxi School of Medicine, Jiangnan University, No. 1800, Lihu Avenue, Binhu District, Wuxi 214122, China
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13
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Wu Q, Zou C. Microglial Dysfunction in Neurodegenerative Diseases via RIPK1 and ROS. Antioxidants (Basel) 2022; 11:antiox11112201. [PMID: 36358573 PMCID: PMC9686917 DOI: 10.3390/antiox11112201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/30/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022] Open
Abstract
Microglial dysfunction is a major contributor to the pathogenesis of multiple neurodegenerative diseases. The neurotoxicity of microglia associated with oxidative stress largely depends on NF-κB pathway activation, which promotes the production and release of microglial proinflammatory cytokines and chemokines. In this review, we discuss the current literature on the essential role of the NF-κB pathway on microglial activation that exacerbates neurodegeneration, with a particular focus on RIPK1 kinase activity-dependent microglial dysfunction. As upregulated RIPK1 kinase activity is associated with reactive oxygen species (ROS) accumulation in neurodegenerative diseases, we also discuss the current knowledge about the mechanistic links between RIPK1 activation and ROS generation. Given RIPK1 kinase activity and oxidative stress are closely regulated with each other in a vicious cycle, future studies are required to be conducted to fully understand how RIPK1 and ROS collude together to disturb microglial homeostasis that drives neurodegenerative pathogenesis.
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Affiliation(s)
- Qiaoyan Wu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 100 Haike Rd, Pudong District, Shanghai 201210, China
| | - Chengyu Zou
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 100 Haike Rd, Pudong District, Shanghai 201210, China
- Shanghai Key Laboratory of Aging Studies, 100 Haike Rd, Pudong District, Shanghai 201210, China
- Correspondence:
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Chaouhan HS, Vinod C, Mahapatra N, Yu SH, Wang IK, Chen KB, Yu TM, Li CY. Necroptosis: A Pathogenic Negotiator in Human Diseases. Int J Mol Sci 2022; 23:ijms232112714. [PMID: 36361505 PMCID: PMC9655262 DOI: 10.3390/ijms232112714] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 11/25/2022] Open
Abstract
Over the past few decades, mechanisms of programmed cell death have attracted the scientific community because they are involved in diverse human diseases. Initially, apoptosis was considered as a crucial mechanistic pathway for programmed cell death; recently, an alternative regulated mode of cell death was identified, mimicking the features of both apoptosis and necrosis. Several lines of evidence have revealed that dysregulation of necroptosis leads to pathological diseases such as cancer, cardiovascular, lung, renal, hepatic, neurodegenerative, and inflammatory diseases. Regulated forms of necrosis are executed by death receptor ligands through the activation of receptor-interacting protein kinase (RIPK)-1/3 and mixed-lineage kinase domain-like (MLKL), resulting in the formation of a necrosome complex. Many papers based on genetic and pharmacological studies have shown that RIPKs and MLKL are the key regulatory effectors during the progression of multiple pathological diseases. This review focused on illuminating the mechanisms underlying necroptosis, the functions of necroptosis-associated proteins, and their influences on disease progression. We also discuss numerous natural and chemical compounds and novel targeted therapies that elicit beneficial roles of necroptotic cell death in malignant cells to bypass apoptosis and drug resistance and to provide suggestions for further research in this field.
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Affiliation(s)
- Hitesh Singh Chaouhan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan
| | - Ch Vinod
- Department of Biological Sciences, School of Applied Sciences, KIIT University, Bhubaneshwar 751024, India
| | - Nikita Mahapatra
- Department of Biological Sciences, School of Applied Sciences, KIIT University, Bhubaneshwar 751024, India
| | - Shao-Hua Yu
- Department of Emergency Medicine, China Medical University Hospital, Taichung 40402, Taiwan
| | - I-Kuan Wang
- School of Medicine, China Medical University, Taichung 40402, Taiwan
- Department of Internal Medicine, China Medical University Hospital, Taichung 40402, Taiwan
| | - Kuen-Bao Chen
- Department of Anesthesiology, China Medical University Hospital, Taichung 40402, Taiwan
| | - Tung-Min Yu
- School of Medicine, China Medical University, Taichung 40402, Taiwan
- Division of Nephrology, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung 40402, Taiwan
- Correspondence: (T.-M.Y.); or (C.-Y.L.)
| | - Chi-Yuan Li
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan
- School of Medicine, China Medical University, Taichung 40402, Taiwan
- Department of Anesthesiology, China Medical University Hospital, Taichung 40402, Taiwan
- Correspondence: (T.-M.Y.); or (C.-Y.L.)
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15
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DeLong JH, Ohashi SN, O'Connor KC, Sansing LH. Inflammatory Responses After Ischemic Stroke. Semin Immunopathol 2022; 44:625-648. [PMID: 35767089 DOI: 10.1007/s00281-022-00943-7] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/20/2022] [Indexed: 12/25/2022]
Abstract
Ischemic stroke generates an immune response that contributes to neuronal loss as well as tissue repair. This is a complex process involving a range of cell types and effector molecules and impacts tissues outside of the CNS. Recent reviews address specific aspects of this response, but several years have passed and important advances have been made since a high-level review has summarized the overall state of the field. The present review examines the initiation of the inflammatory response after ischemic stroke, the complex impacts of leukocytes on patient outcome, and the potential of basic science discoveries to impact the development of therapeutics. The information summarized here is derived from broad PubMed searches and aims to reflect recent research advances in an unbiased manner. We highlight valuable recent discoveries and identify gaps in knowledge that have the potential to advance our understanding of this disease and therapies to improve patient outcomes.
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Affiliation(s)
- Jonathan Howard DeLong
- Departments of Neurology and Immunobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Sarah Naomi Ohashi
- Departments of Neurology and Immunobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Kevin Charles O'Connor
- Departments of Neurology and Immunobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Lauren Hachmann Sansing
- Departments of Neurology and Immunobiology, Yale University School of Medicine, New Haven, CT, USA.
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16
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Jantas D, Lasoń W. Preclinical Evidence for the Interplay between Oxidative Stress and RIP1-Dependent Cell Death in Neurodegeneration: State of the Art and Possible Therapeutic Implications. Antioxidants (Basel) 2021; 10:antiox10101518. [PMID: 34679652 PMCID: PMC8532910 DOI: 10.3390/antiox10101518] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/17/2021] [Accepted: 09/21/2021] [Indexed: 12/15/2022] Open
Abstract
Neurodegenerative diseases are the most frequent chronic, age-associated neurological pathologies having a major impact on the patient’s quality of life. Despite a heavy medical, social and economic burden they pose, no causative treatment is available for these diseases. Among the important pathogenic factors contributing to neuronal loss during neurodegeneration is elevated oxidative stress resulting from a disturbed balance between endogenous prooxidant and antioxidant systems. For many years, it was thought that increased oxidative stress was a cause of neuronal cell death executed via an apoptotic mechanism. However, in recent years it has been postulated that rather programmed necrosis (necroptosis) is the key form of neuronal death in the course of neurodegenerative diseases. Such assumption was supported by biochemical and morphological features of the dying cells as well as by the fact that various necroptosis inhibitors were neuroprotective in cellular and animal models of neurodegenerative diseases. In this review, we discuss the relationship between oxidative stress and RIP1-dependent necroptosis and apoptosis in the context of the pathomechanism of neurodegenerative disorders. Based on the published data mainly from cellular models of neurodegeneration linking oxidative stress and necroptosis, we postulate that administration of multipotential neuroprotectants with antioxidant and antinecroptotic properties may constitute an efficient pharmacotherapeutic strategy for the treatment of neurodegenerative diseases.
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17
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Palmatine Protects against Cerebral Ischemia/Reperfusion Injury by Activation of the AMPK/Nrf2 Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6660193. [PMID: 33777318 PMCID: PMC7981182 DOI: 10.1155/2021/6660193] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/05/2021] [Accepted: 02/21/2021] [Indexed: 02/07/2023]
Abstract
Palmatine (PAL), a natural isoquinoline alkaloid, possesses extensive biological and pharmaceutical activities, including antioxidative stress, anti-inflammatory, antitumor, neuroprotective, and gastroprotective activities. However, it is unknown whether PAL has a protective effect against ischemic stroke and cerebral ischemia/reperfusion (I/R) injury. In the present study, a transient middle cerebral artery occlusion (MCAO) mouse model was used to mimic ischemic stroke and cerebral I/R injury in mice. Our study demonstrated that PAL treatment ameliorated cerebral I/R injury by decreasing infarct volume, neurological scores, and brain water content. PAL administration attenuated oxidative stress, the inflammatory response, and neuronal apoptosis in mice after cerebral I/R injury. In addition, PAL treatment also decreases hypoxia and reperfusion- (H/R-) induced neuronal injury by reducing oxidative stress, the inflammatory response, and neuronal apoptosis. Moreover, the neuroprotective effects of PAL were associated with the activation of the AMP-activated protein kinase (AMPK)/nuclear factor E2-related factor 2 (Nrf2) pathway, and Nrf2 knockdown offsets PAL-mediated antioxidative stress and anti-inflammatory effects. Therefore, our results suggest that PAL may be a novel treatment strategy for ischemic stroke and cerebral I/R injury.
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18
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Jiao Y, Wang J, Zhang H, Cao Y, Qu Y, Huang S, Kong X, Song C, Li J, Li Q, Ma H, Lu X, Wang L. Inhibition of microglial receptor-interacting protein kinase 1 ameliorates neuroinflammation following cerebral ischaemic stroke. J Cell Mol Med 2020; 24:12585-12598. [PMID: 32990414 PMCID: PMC7686994 DOI: 10.1111/jcmm.15820] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 07/13/2020] [Accepted: 08/07/2020] [Indexed: 12/29/2022] Open
Abstract
Microglia are rapidly activated following ischaemic stroke and participate in the induction of neuroinflammation, which exacerbates the injury of ischaemic stroke. However, the mechanisms regulating ischaemic microglia remain unclear. In the present study, middle cerebral artery occlusion and oxygen and glucose deprivation models were established for in vivo and vitro monitoring of experimental stroke. We applied recombinant human thioredoxin‐1 (rhTrx‐1) and Necrostatin‐1 (Nec‐1, inhibitor of RIPK1) to examine the role of receptor‐interacting protein kinase 1 (RIPK1) in the development of inflammation in ischaemic microglia via explored the inflammatory responses and the associated mechanisms. Molecular docking results indicated that rhTrx‐1 could directly bind to RIPK1. In vivo and vitro data revealed that rhTrx‐1 reduced necroptosis, mitochondrial membrane potential damage, reactive oxygen species accumulation and NLR Family, pyrin domain‐containing 3 protein (NLRP3) inflammasome activation and regulated the microglial M1/M2 phenotypic changes by inhibiting RIPK1 expression in ischaemic microglia. Consistent with these findings, further in vivo experiments revealed that rhTrx‐1 treatment attenuated cerebral ischaemic injury by inhibiting the inflammatory response. Our data demonstrated the role of RIPK1 in microglia‐induced neuroinflammation following cerebral ischaemia. Administration of rhTrx‐1 provides neuroprotection in ischaemic stroke‐induced microglial neuroinflammation by inhibiting RIPK1 expression.
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Affiliation(s)
- Yang Jiao
- Department of Neurology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Jianjian Wang
- Department of Neurology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Huixue Zhang
- Department of Neurology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Yuze Cao
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Yang Qu
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), Harbin Medical University, Harbin, China
| | - Siyu Huang
- Department of Pharmacology (The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), Harbin Medical University, Harbin, China
| | - Xiaotong Kong
- Department of Neurology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Chang Song
- Department of Neurology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China.,Department of Physiology, Emory University School of Medicine, Atlanta, GA, USA
| | - Jie Li
- Department of Neurology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Qian Li
- Department of Neurology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Heping Ma
- Department of Physiology, Emory University School of Medicine, Atlanta, GA, USA
| | - Xiaoyu Lu
- Department of Neurology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Lihua Wang
- Department of Neurology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
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