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Huang J, Zhu Z, Schlüter D, Lambertsen KL, Song W, Wang X. Ubiquitous regulation of cerebrovascular diseases by ubiquitin-modifying enzymes. Clin Transl Med 2024; 14:e1719. [PMID: 38778460 PMCID: PMC11111633 DOI: 10.1002/ctm2.1719] [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: 03/01/2024] [Revised: 05/06/2024] [Accepted: 05/11/2024] [Indexed: 05/25/2024] Open
Abstract
Cerebrovascular diseases (CVDs) are a major threat to global health. Elucidation of the molecular mechanisms underlying the pathology of CVDs is critical for the development of efficacious preventative and therapeutic approaches. Accumulating studies have highlighted the significance of ubiquitin-modifying enzymes (UMEs) in the regulation of CVDs. UMEs are a group of enzymes that orchestrate ubiquitination, a post-translational modification tightly involved in CVDs. Functionally, UMEs regulate multiple pathological processes in ischemic and hemorrhagic stroke, moyamoya disease, and atherosclerosis. Considering the important roles of UMEs in CVDs, they may become novel druggable targets for these diseases. Besides, techniques applying UMEs, such as proteolysis-targeting chimera and deubiquitinase-targeting chimera, may also revolutionize the therapy of CVDs in the future.
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Affiliation(s)
- Jingyong Huang
- Department of Vascular SurgeryThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Zhenhu Zhu
- School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
| | - Dirk Schlüter
- Institute of Medical Microbiology and Hospital Epidemiology, Hannover Medical SchoolHannoverGermany
| | - Kate Lykke Lambertsen
- Department of Neurobiology ResearchInstitute of Molecular MedicineUniversity of Southern DenmarkOdense CDenmark
- BRIGDE—Brain Research—Inter‐Disciplinary Guided Excellence, Department of Clinical ResearchUniversity of Southern DenmarkOdense CDenmark
- Department of NeurologyOdense University HospitalOdense CDenmark
| | - Weihong Song
- Oujiang LaboratoryKey Laboratory of Alzheimer's Disease of Zhejiang ProvinceZhejiang Provincial Clinical Research Center for Mental DisordersInstitute of AgingSchool of Mental HealthAffiliated Kangning HospitalThe Second Affiliated HospitalYuying Children's HospitalWenzhou Medical UniversityWenzhouChina
| | - Xu Wang
- School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
- Oujiang LaboratoryKey Laboratory of Alzheimer's Disease of Zhejiang ProvinceZhejiang Provincial Clinical Research Center for Mental DisordersInstitute of AgingSchool of Mental HealthAffiliated Kangning HospitalThe Second Affiliated HospitalYuying Children's HospitalWenzhou Medical UniversityWenzhouChina
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Wen H, Miao W, Liu B, Chen S, Zhang JS, Chen C, Quan MY. SPAUTIN-1 alleviates LPS-induced acute lung injury by inhibiting NF-κB pathway in neutrophils. Int Immunopharmacol 2024; 130:111741. [PMID: 38394887 DOI: 10.1016/j.intimp.2024.111741] [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: 12/22/2023] [Revised: 02/05/2024] [Accepted: 02/20/2024] [Indexed: 02/25/2024]
Abstract
BACKGROUND Acute lung injury (ALI) is an inflammatory condition characterized by acute damage to lung tissue. SPAUTIN-1, recognized as a small molecule drug targeting autophagy and USP10/13, has been reported for its potential to inhibit oxidative stress damage in various tissue injuries. However, the role and mechanism of SPAUTIN-1 in ALI remain unclear. This study aims to elucidate the protective effects of SPAUTIN-1 on ALI, with a particular focus on its role and mechanism in pulmonary inflammatory responses. METHODS Lipopolysaccharides (LPS) were employed to induce inflammation-mediated ALI. Bleomycin was used to induce non-inflammation-mediated ALI. The mechanism of SPAUTIN-1 action was identified through RNA-Sequencing and subsequently validated in mouse primary cells. Tert-butyl hydroperoxide (TBHP) was utilized to create an in vitro model of lung epithelial cell oxidative stress with MLE-12 cells. RESULTS SPAUTIN-1 significantly mitigated LPS-induced lung injury and inflammatory responses, attenuated necroptosis and apoptosis in lung epithelial cells, and inhibited autophagy in leukocytes and epithelial cells. However, SPAUTIN-1 exhibited no significant effect on bleomycin-induced lung injury. RNA-sequencing results demonstrated that SPAUTIN-1 significantly inhibited the NF-κB signaling pathway in leukocytes, a finding consistently confirmed by mouse primary cell assays. In vitro experiments further revealed that SPAUTIN-1 effectively mitigated oxidative stress injury in MLE-12 cells induced by TBHP. CONCLUSION SPAUTIN-1 alleviated LPS-induced inflammatory injury by inhibiting the NF-κB pathway in leukocytes and protected epithelial cells from oxidative damage, positioning it as a potential therapeutic candidate for ALI.
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Affiliation(s)
- Hezhi Wen
- Zhejiang Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Wanqi Miao
- Zhejiang Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Bin Liu
- Zhejiang Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Shiyin Chen
- Wenzhou Medical University, Wenzhou 325000, China
| | - Jin-San Zhang
- Zhejiang Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China; Department of Pulmonary and Critical Care Medicine, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou 324000, China
| | - Chengshui Chen
- Zhejiang Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China; Department of Pulmonary and Critical Care Medicine, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou 324000, China.
| | - Mei-Yu Quan
- Zhejiang Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
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Jiang W, Li M, Peng S, Hu T, Long Y, Zhang J, Peng D, Shen Y. Ubiquitin ligase enzymes and de-ubiquitinating enzymes regulate innate immunity in the TLR, NLR, RLR, and cGAS-STING pathways. Immunol Res 2023; 71:800-813. [PMID: 37291329 DOI: 10.1007/s12026-023-09400-5] [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: 12/22/2022] [Accepted: 06/01/2023] [Indexed: 06/10/2023]
Abstract
Ubiquitination (or ubiquitylation) and de-ubiquitination, which are both post-translational modifications (PTMs) of proteins, have become a research hotspot in recent years. Some ubiquitinated or de-ubiquitinated signaling proteins have been found to promote or suppress innate immunity through Toll-like receptor (TLR), RIG-like receptor (RIG-I-like receptor, RLR), NOD-like receptor (NLR), and the cyclic guanosine monophosphate (GMP)-adenosine monophosphate (AMP) synthase (cGAS)-STING pathway. This article aimed to provide a review on the role of ubiquitination and de-ubiquitination, especially ubiquitin ligase enzymes and de-ubiquitinating enzymes, in the above four pathways. We hope that our work can contribute to the research and development of treatment strategies for innate immunity-related diseases such as inflammatory bowel disease.
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Affiliation(s)
- Wang Jiang
- Department of Digestive Diseases, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, 161 Shaoshan Road, Changsha City, 410000, People's Republic of China
| | - Mengling Li
- Department of Digestive Diseases, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, 161 Shaoshan Road, Changsha City, 410000, People's Republic of China
| | - Siyuan Peng
- Department of Digestive Diseases, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, 161 Shaoshan Road, Changsha City, 410000, People's Republic of China
| | - Tian Hu
- Department of Digestive Diseases, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, 161 Shaoshan Road, Changsha City, 410000, People's Republic of China
| | - Yan Long
- Department of Digestive Diseases, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, 161 Shaoshan Road, Changsha City, 410000, People's Republic of China
| | - Jiayi Zhang
- Department of Digestive Diseases, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, 161 Shaoshan Road, Changsha City, 410000, People's Republic of China
| | - Dan Peng
- Department of Digestive Diseases, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, 161 Shaoshan Road, Changsha City, 410000, People's Republic of China
| | - Yueming Shen
- Department of Digestive Diseases, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, 161 Shaoshan Road, Changsha City, 410000, People's Republic of China.
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Li Y, Gao J, Liu C, Bu N, Zhan S, Wu H, Zhang R, Sun H, Fan H. USP22 knockdown protects against cerebral ischemia/reperfusion injury via destabilizing PTEN protein and activating the mTOR/TFEB pathway. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3163-3175. [PMID: 37191727 DOI: 10.1007/s00210-023-02524-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 05/08/2023] [Indexed: 05/17/2023]
Abstract
Ubiquitin-specific protease 22 (USP22) expression was reported to be increased in response to ischemic brain damage, but the biological role and underlying mechanism remain little understood. USP22 shRNA was intravenously injected into the mouse brain, and then a middle cerebral artery occlusion/reperfusion (MCAO/R) mouse model was constructed, and the infarct volume, neurobehavioral deficit score, cell apoptosis, oxidative stress, and autophagy in vivo were evaluated. Oxygen-glucose deprivation/reperfusion (OGD/R) treated pheochromocytoma-12 (PC12) cells were used as an in vitro model of ischemia/reperfusion. The effects of USP22 on proliferation, apoptosis, oxidative stress, and autophagy were explored by CCK-8, flow cytometry, ELISA, and Western blot assays. The relationship between USP22 and the phosphatase and tensin homolog (PTEN) was measured by Co-IP and Western blot assays. Both USP22 and PTEN were highly expressed in MCAO/R mouse brain tissues and OGD/R-induced PC12 cells. In vitro, USP22 knockdown strongly improved OGD/R-mediated changes in cell viability, apoptosis, oxidative stress, and lactate dehydrogenase (LDH) production in PC12 cells. USP22 bound to PTEN and stabilized PTEN expression by decreasing its ubiquitination. PTEN overexpression reversed the promoting effect of USP22 knockdown on cell viability and the inhibitory effects of USP22 knockdown on apoptosis, oxidative stress, and LDH release rate in PC12 cells subjected to OGD/R. PTEN silencing elevated the protein levels of p62, p-mTOR, TFEB, and LAMP1 and reduced the protein levels of LC3-II/LC3-I. USP22 expression levels were negatively correlated with mTOR expression levels, and USP22-shRNA-mediated expression of p62, p-mTOR, TFEB, and LAMP1 was reversed by rapamycin, an inhibitor of mTOR. In vivo, USP22 silencing significantly alleviated infarct volume, neurobehavioral impairments, cell apoptosis, oxidative stress, and autophagy in MCAO/R mice. USP22 knockdown exerts neuroprotective effects in cerebral ischemia/reperfusion injury by downregulating PTEN and activating the mTOR/TFEB pathway.
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Affiliation(s)
- Yanling Li
- Department of Neurology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwulu, Xi'an, 710004, Shaanxi Province, China.
| | - Jing Gao
- Department of Anesthesiology, The First Hospital of YuLin, YuLin, 719000, Shaanxi Province, China
| | - Chuntian Liu
- Department of Geriatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an , Shaanxi Province, China
| | - Ning Bu
- Department of Neurology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwulu, Xi'an, 710004, Shaanxi Province, China
| | - Shuqin Zhan
- Department of Neurology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwulu, Xi'an, 710004, Shaanxi Province, China
| | - Haiqin Wu
- Department of Neurology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwulu, Xi'an, 710004, Shaanxi Province, China
| | - Ru Zhang
- Department of Neurology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwulu, Xi'an, 710004, Shaanxi Province, China
| | - Hong Sun
- Department of Neurology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwulu, Xi'an, 710004, Shaanxi Province, China
| | - Hong Fan
- Department of Neurology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwulu, Xi'an, 710004, Shaanxi Province, China
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Hong QL, Ding YH, Chen JY, Shi SS, Liang RS, Tu XK. Schisandrin B Protects against Ischemic Brain Damage by Regulating PI3K/AKT Signaling in Rats. Chin J Integr Med 2023; 29:885-894. [PMID: 37357242 DOI: 10.1007/s11655-023-3596-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2022] [Indexed: 06/27/2023]
Abstract
OBJECTIVE To explore the effect and mechanism of schisandrin B (Sch B) in the treatment of cerebral ischemia in rats. METHODS The cerebral ischemia models were induced by middle cerebral artery occlusion (MCAO) and reperfusion. Sprague-Dawley rats were divided into 6 groups using a random number table, including sham, MCAO, MCAO+Sch B (50 mg/kg), MCAO+Sch B (100 mg/kg), MCAO+Sch B (100 mg/kg)+LY294002, and MCAO+Sch B (100 mg/kg)+wortmannin groups. The effects of Sch B on pathological indicators, including neurological deficit scores, cerebral infarct volume, and brain edema, were subsequently studied. Tissue apoptosis was identified by terminal transferase-mediated dUTP nick end-labeling (TUNEL) staining. The protein expressions involved in apoptosis, inflammation response and oxidative stress were examined by immunofluorescent staining, biochemical analysis and Western blot analysis, respectively. The effect of Sch B on phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT) signaling was also explored. RESULTS Sch B treatment decreased neurological deficit scores, cerebral water content, and infarct volume in MCAO rats (P<0.05 or P<0.01). Neuronal nuclei and TUNEL staining indicated that Sch B also reduced apoptosis in brain tissues, as well as the Bax/Bcl-2 ratio and caspase-3 expression (P<0.01). Sch B regulated the production of myeloperoxidase, malondialdehyde, nitric oxide and superoxide dismutase, as well as the release of cytokine interleukin (IL)-1 β and IL-18, in MCAO rats (P<0.05 or P<0.01). Sch B promoted the phosphorylation of PI3K and AKT. Blocking the PI3K/AKT signaling pathway with LY294002 or wortmannin reduced the protective effect of Sch B against cerebral ischemia (P<0.05 or P<0.01). CONCLUSIONS Sch B reduced apoptosis, inflammatory response, and oxidative stress of MCAO rats by modulating the PI3K/AKT pathway. Sch B had a potential for treating cerebral ischemia.
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Affiliation(s)
- Quan-Long Hong
- Department of Neurology, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian Province, 362000, China
- Department of Neurosurgery, Fujian Medical University Union Hospital, Fuzhou, 350001, China
| | - Yi-Hang Ding
- Department of Neurosurgery, Fujian Medical University Union Hospital, Fuzhou, 350001, China
| | - Jing-Yi Chen
- Department of Neurosurgery, Fujian Medical University Union Hospital, Fuzhou, 350001, China
| | - Song-Sheng Shi
- Department of Neurosurgery, Fujian Medical University Union Hospital, Fuzhou, 350001, China
| | - Ri-Sheng Liang
- Department of Neurosurgery, Fujian Medical University Union Hospital, Fuzhou, 350001, China
| | - Xian-Kun Tu
- Department of Neurosurgery, Fujian Medical University Union Hospital, Fuzhou, 350001, China.
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Yang Y, Zhang M, Li Z, He S, Ren X, Wang L, Wang Z, Shu S. Identification and cross-validation of autophagy-related genes in cardioembolic stroke. Front Neurol 2023; 14:1097623. [PMID: 37305740 PMCID: PMC10248509 DOI: 10.3389/fneur.2023.1097623] [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: 11/25/2022] [Accepted: 05/02/2023] [Indexed: 06/13/2023] Open
Abstract
Objective Cardioembolic stroke (CE stroke, also known as cardiogenic cerebral embolism, CCE) has the highest recurrence rate and fatality rate among all subtypes of ischemic stroke, the pathogenesis of which was unclear. Autophagy plays an essential role in the development of CE stroke. We aim to identify the potential autophagy-related molecular markers of CE stroke and uncover the potential therapeutic targets through bioinformatics analysis. Methods The mRNA expression profile dataset GSE58294 was obtained from the GEO database. The potential autophagy-related differentially expressed (DE) genes of CE stroke were screened by R software. Protein-protein interactions (PPIs), correlation analysis, and gene ontology (GO) enrichment analysis were applied to the autophagy-related DE genes. GSE66724, GSE41177, and GSE22255 were introduced for the verification of the autophagy-related DE genes in CE stroke, and the differences in values were re-calculated by Student's t-test. Results A total of 41 autophagy-related DE genes (37 upregulated genes and four downregulated genes) were identified between 23 cardioembolic stroke patients (≤3 h, prior to treatment) and 23 healthy controls. The KEGG and GO enrichment analysis of autophagy-related DE genes indicated several enriched terms related to autophagy, apoptosis, and ER stress. The PPI results demonstrated the interactions between these autophagy-related genes. Moreover, several hub genes, especially for CE stroke, were identified and re-calculated by Student's t-test. Conclusion We identified 41 potential autophagy-related genes associated with CE stroke through bioinformatics analysis. SERPINA1, WDFY3, ERN1, RHEB, and BCL2L1 were identified as the most significant DE genes that may affect the development of CE stroke by regulating autophagy. CXCR4 was identified as a hub gene of all types of strokes. ARNT, MAPK1, ATG12, ATG16L2, ATG2B, and BECN1 were identified as particular hub genes for CE stroke. These results may provide insight into the role of autophagy in CE stroke and contribute to the discovery of potential therapeutic targets for CE stroke treatment.
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Affiliation(s)
- Yufang Yang
- School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Min Zhang
- Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ziqing Li
- School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shen He
- Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xueqi Ren
- School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Linmei Wang
- School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhifei Wang
- School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shi Shu
- School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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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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Zhang W, Zhao J, Deng L, Ishimwe N, Pauli J, Wu W, Shan S, Kempf W, Ballantyne MD, Kim D, Lyu Q, Bennett M, Rodor J, Turner AW, Lu YW, Gao P, Choi M, Warthi G, Kim HW, Barroso MM, Bryant WB, Miller CL, Weintraub NL, Maegdefessel L, Miano JM, Baker AH, Long X. INKILN is a novel long noncoding RNA promoting vascular smooth muscle inflammation via scaffolding MKL1 and USP10. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.07.522948. [PMID: 36711681 PMCID: PMC9881896 DOI: 10.1101/2023.01.07.522948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Background Activation of vascular smooth muscle cells (VSMCs) inflammation is vital to initiate vascular disease. However, the role of human-specific long noncoding RNAs (lncRNAs) in VSMC inflammation is poorly understood. Methods Bulk RNA-seq in differentiated human VSMCs revealed a novel human-specific lncRNA called IN flammatory M K L1 I nteracting L ong N oncoding RNA ( INKILN ). INKILN expression was assessed in multiple in vitro and ex vivo models of VSMC phenotypic modulation and human atherosclerosis and abdominal aortic aneurysm (AAA) samples. The transcriptional regulation of INKILN was determined through luciferase reporter system and chromatin immunoprecipitation assay. Both loss- and gain-of-function approaches and multiple RNA-protein and protein-protein interaction assays were utilized to uncover the role of INKILN in VSMC proinflammatory gene program and underlying mechanisms. Bacterial Artificial Chromosome (BAC) transgenic (Tg) mice were utilized to study INKLIN expression and function in ligation injury-induced neointimal formation. Results INKILN expression is downregulated in contractile VSMCs and induced by human atherosclerosis and abdominal aortic aneurysm. INKILN is transcriptionally activated by the p65 pathway, partially through a predicted NF-κB site within its proximal promoter. INKILN activates the proinflammatory gene expression in cultured human VSMCs and ex vivo cultured vessels. Mechanistically, INKILN physically interacts with and stabilizes MKL1, a key activator of VSMC inflammation through the p65/NF-κB pathway. INKILN depletion blocks ILIβ-induced nuclear localization of both p65 and MKL1. Knockdown of INKILN abolishes the physical interaction between p65 and MKL1, and the luciferase activity of an NF-κB reporter. Further, INKILN knockdown enhances MKL1 ubiquitination, likely through the reduced physical interaction with the deubiquitinating enzyme, USP10. INKILN is induced in injured carotid arteries and exacerbates ligation injury-induced neointimal formation in BAC Tg mice. Conclusions These findings elucidate an important pathway of VSMC inflammation involving an INKILN /MKL1/USP10 regulatory axis. Human BAC Tg mice offer a novel and physiologically relevant approach for investigating human-specific lncRNAs under vascular disease conditions.
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Xie C, Gao X, Liu G, Tang H, Li C. USP10 is a potential mediator for vagus nerve stimulation to alleviate neuroinflammation in ischaemic stroke by inhibiting NF-κB signalling pathway. Front Immunol 2023; 14:1130697. [PMID: 37153558 PMCID: PMC10157167 DOI: 10.3389/fimmu.2023.1130697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 04/10/2023] [Indexed: 05/09/2023] Open
Abstract
Background Vagus nerve stimulation (VNS) has a protective effect on neurological recovery in ischaemic stroke. However, its underlying mechanism remains to be clarified. Ubiquitin-specific protease 10 (USP10), a member of the ubiquitin-specific protease family, has been shown to inhibit the activation of the NF-κB signalling pathway. Therefore, this study investigated whether USP10 plays a key role in the protective effect of VNS against ischemic stroke and explore its mechanism. Methods Ischaemic stroke model was constructed by transient middle cerebral artery occlusion (tMCAO) in mice. VNS was performed at 30 min, 24hr, and 48hr after the establishment of tMCAO model. USP10 expression induced by VNS after tMCAO was measured. LV-shUSP10 was used to establish the model with low expression of USP10 by stereotaxic injection technique. The effects of VNS with or without USP10 silencing on neurological deficits, cerebral infarct volume, NF-κB pathway activation, glial cell activation, and release of pro-inflammation cytokines were assessed. Results VNS enhanced the expression of USP10 following tMCAO. VNS ameliorated neurological deficits and reduced cerebral infarct volume, but this effect was inhibited by silencing of USP10. Activation of the NF-κB pathway and the expression of inflammatory cytokines induced by tMCAO were suppressed by VNS. Moreover, VNS promoted the pro-to-anti-inflammatory response of microglia and inhibited activation of astrocytes, while silencing of USP10 prevented the neuroprotective and anti-neuroinflammatory effects of VNS. Conclusion USP10 is a potential mediator for VNS to alleviate neurological deficits, neuroinflammation, and glial cell activation in ischaemic stroke by inhibiting NF-κB signalling pathway.
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Affiliation(s)
- Chenchen Xie
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Neurology, Affiliated Hospital & Clinical Medical College of Chengdu University, Chengdu, China
- Chongqing Key Laboratory of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiang Gao
- Department of Geriatrics, Affiliated Hospital & Clinical Medical College of Chengdu University, Chengdu, China
| | - Gang Liu
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hao Tang
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Changqing Li
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
- *Correspondence: Changqing Li,
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Xu E, Yin C, Yi X, Liu Y. Inhibition of USP15 ameliorates high-glucose-induced oxidative stress and inflammatory injury in podocytes through regulation of the Keap1/Nrf2 signaling. ENVIRONMENTAL TOXICOLOGY 2022; 37:765-775. [PMID: 34931430 DOI: 10.1002/tox.23441] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/06/2021] [Accepted: 12/11/2021] [Indexed: 06/14/2023]
Abstract
Ubiquitin-specific peptidase 15 (USP15) is implicated in the pathogenesis of numerous diseases. However, whether USP15 plays a role in diabetic nephropathy remains undetermined. This project was designed to determine the potential role of USP15 in mediating high glucose (HG)-induced podocyte injury, a key event in the pathogenesis of diabetic nephropathy. We found that USP15 levels were elevated in podocytes after HG stimulation. Inhibition of USP15 led to decreases in HG-evoked apoptosis, oxidative stress, and inflammation in podocytes. Further investigation showed that inhibition of USP15 enhanced the activation of NF-E2-related factor 2 (Nrf2) and expression of Nrf2 target genes in HG-simulated podocytes. Moreover, depletion of Kelch-like ECH-associated protein 1 (Keap1) diminished the regulatory effect of USP15 inhibition on Nrf2 activation. In addition, Nrf2 suppression reversed USP15-inhibition-induced protective effects in HG-injured podocytes. Taken together, these data indicate that USP15 inhibition protects podocytes from HG-induced injury by enhancing Nrf2 activation via Keap1.
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Affiliation(s)
- Erdi Xu
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Chunyan Yin
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiaoqing Yi
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yuesheng Liu
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Chen X, Li Z, Zhang B, Liu T, Yao W, Wan L, Zhang C, Zhang Y. Antinociception role of 14,15-epoxyeicosatrienoic acid in a central post-stroke pain model in rats mediated by anti-inflammation and anti-apoptosis effect. Neurochem Int 2022; 154:105291. [PMID: 35074479 DOI: 10.1016/j.neuint.2022.105291] [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: 05/25/2021] [Revised: 11/24/2021] [Accepted: 01/20/2022] [Indexed: 11/18/2022]
Abstract
Central post stroke pain (CPSP) is an intractable neuropathic pain syndrome that occurs after the acute focal lesion of the central nervous system (CNS) due to a cerebrovascular cause. Epoxyeicosatrienoic acids (EETs) exert many pharmacological effects in vivo and in vitro, such as anti-apoptosis, anti-inflammatory, and anti-oxidative stress. Neuroinflammation and apoptosis are the potential pathophysiological mechanisms of neuropathic pain. This study aimed to investigate whether 14,15-EET has an antinociception effect on CPSP rats through its anti-inflammation and anti-apoptosis mechanisms. Rats were treated with type IV collagenase (CPSP group) or saline (Sham group) via injection with a Hamilton syringe into the ventral posterior lateral nucleus (VPL) according to the stereotaxic coordinates. We first tested the mechanical withdrawal threshold, as well as neuroinflammation- and apoptosis-related protein expressions in the per-lesion site of CPSP and Sham rats. Sprague-Dawley rats were randomly divided into five groups, as follows: vehicle; EET at 0.025, 0.05, and 0.1 μg; and EET (0.1 μg) + EEZE (3.25 ng). EET or and vehicle were administered into VPL nuclei three consecutive days after hemorrhagic stroke. Immunostaining, ELISA, and Western blot were performed to evaluate neuroinflammation and apoptosis. Hemorrhagic stroke induced mechanical allodynia, glial activation, neuroinflammation, and apoptosis-related protein upregulation. However, early treatment with 14,15-EET inhibited glial cell activation, decreased proinflammatory cytokines and apoptosis-related protein, and alleviated the pain behavior of CPSP rats. Our results provided strong evidence that antinociception produced by 14,15-EET is partly mediated by the inhibition of neuroinflammation and apoptosis.
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Affiliation(s)
- Xuhui Chen
- Department of Anaesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China; Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zuofan Li
- Department of Anaesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Bo Zhang
- Department of Anaesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Tongtong Liu
- Department of Anaesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Wenlong Yao
- Department of Anaesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Li Wan
- Department of Anaesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Chuanhan Zhang
- Department of Anaesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yue Zhang
- Department of Anaesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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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: 61] [Impact Index Per Article: 30.5] [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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Gao F, Qian M, Liu G, Ao W, Dai D, Yin C. USP10 alleviates sepsis-induced acute kidney injury by regulating Sirt6-mediated Nrf2/ARE signaling pathway. JOURNAL OF INFLAMMATION-LONDON 2021; 18:25. [PMID: 34412625 PMCID: PMC8375185 DOI: 10.1186/s12950-021-00291-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 08/06/2021] [Indexed: 02/08/2023]
Abstract
Background Severe sepsis, a major health problem worldwide, has become one of the leading causes of death in ICU patients. Further study on the pathogenesis and treatment of acute kidney injury (AKI) is of great significance to reduce high mortality rate of sepsis. In this study, the mechanism by which ubiquitin specific peptidase 10 (USP10) reduces sepsis-induced AKI was investigated. Ligation and perforation of cecum (CLP) was employed to establish C57BL/6 mouse models of sepsis. Hematoxylin-eosin (H&E) staining was performed to detect renal injury. The concentrations of serum creatinine (Cr), urea nitrogen (BUN) and cystatin C (Cys C) were determined using a QuantiChrom™ Urea Assay kit. RT-qPCR and western blot were conducted to assess the USP10 expression level. DHE staining was used to detect reactive oxygen species (ROS) levels. H2O2, MDA and SOD levels were assessed using corresponding colorimetric kits. Western blot was used to examine the expression levels of Bcl-2, Bax, cleaved caspase-3, Sirt6, Nrf2 and HO-1. MTT assay was used to determine cell viability, whereas TUNEL staining and flow cytometry were used to assess cell apoptosis. Results In this study, we found that USP10 was decreased in CLP-induced mouse renal tissues. We identified that USP10 alleviated renal dysfunction induced by CLP. Moreover, USP10 was found to reduce oxidative stress, and abated LPS-induced renal tubular epithelial cell injury and apoptosis. Finally, we discovered that USP10 promoted activation of the NRF2/HO-1 pathway through SIRT6 and attenuated LPS-induced renal tubular epithelial cell injury. Conclusions This study found that USP10 activates the NRF2/ARE signaling through SIRT6. USP10 alleviates sepsis-induced renal dysfunction and reduces renal tubular epithelial cell apoptosis and oxidative stress.
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Affiliation(s)
- Fei Gao
- Department of Critical Care Medicine, Affiliated Hospital of Zunyi Medical University, 563003, Zunyi City, Guizhou Province, China
| | - Mingjiang Qian
- Department of Critical Care Medicine, The Second Affiliated Hospital of Zunyi Medical University, Intersection of Xinlong Avenue and Xinpu Avenue, Xinpu New District, Honghuagang District, 563000, Zunyi City, Guizhou Province, China.
| | - Guoyue Liu
- Department of Critical Care Medicine, The Second Affiliated Hospital of Zunyi Medical University, Intersection of Xinlong Avenue and Xinpu Avenue, Xinpu New District, Honghuagang District, 563000, Zunyi City, Guizhou Province, China
| | - Wanping Ao
- Department of Critical Care Medicine, Affiliated Hospital of Zunyi Medical University, 563003, Zunyi City, Guizhou Province, China
| | - Dahua Dai
- Department of Critical Care Medicine, Affiliated Hospital of Zunyi Medical University, 563003, Zunyi City, Guizhou Province, China
| | - Cunzhi Yin
- Department of Critical Care Medicine, The Second Affiliated Hospital of Zunyi Medical University, Intersection of Xinlong Avenue and Xinpu Avenue, Xinpu New District, Honghuagang District, 563000, Zunyi City, Guizhou Province, China
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14
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Huang J, Liu Y, Wang M, Wang R, Ling H, Yang Y. FoxO4 negatively modulates USP10 transcription to aggravate the apoptosis and oxidative stress of hypoxia/reoxygenation-induced cardiomyocytes by regulating the Hippo/YAP pathway. J Bioenerg Biomembr 2021; 53:541-551. [PMID: 34251583 DOI: 10.1007/s10863-021-09910-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 07/01/2021] [Indexed: 12/25/2022]
Abstract
Acute myocardial infarction (AMI) is the main cause of death in the whole world. This study aimed to investigate whether forkhead box O4 (FoxO4) could negatively modulate ubiquitin specific peptidase 10 (USP10) transcription to aggravate the apoptosis and oxidative stress of hypoxia/reoxygenation (H/R)-induced cardiomyocytes through Hippo/YAP pathway. mRNA expression as well as protein expressions of USP10 and FoxO4 in H9C2 cells after H/R induction or transfection were respectively detected by Reverse transcription-quantitative (RT-q) PCR analysis and Western blot. The viability and apoptosis of H9C2 cells after H/R induction or transfection were respectively detected by CCK-8 and TUNEL assays. The expressions of lactate dehydrogenase (LDH), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and malondialdehyde (MDA) in H9C2 cells after H/R induction or transfection were analyzed using appropriate kits and intracellular reactive oxygen species (ROS) levels were detected using a ROS Assay Kit. Dual luciferase reporter assay and Chromatin Immunoprecipitation (ChIP) have adopted to confirm the combination of USP10 and FoxO4. Western blot was also used to analyze the expression of apoptosis-related proteins and Hippo/YAP pathway-related proteins. As a result, USP10 expression was decreased in H/R-induced H9C2 cells in a time-dependent manner. USP10 overexpression increased the viability and suppressed the apoptosis and oxidative stress of H/R-induced H9C2 cells. In addition, FoxO4 modulated USP10 transcription. FoxO4 expression was increased in H9C2 cells induced by H/R. FoxO4 overexpression could reverse the protective effects of USP10 overexpression on H/R-induced H9C2 cells by regulating the Hippo/YAP signaling pathway. In conclusion, FoxO4 negatively modulated USP10 transcription to aggravate the apoptosis and oxidative stress of H/R-induced H9C2 cells via blocking Hippo/YAP pathway.
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Affiliation(s)
- Jingwen Huang
- Department of Nursing, Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China
| | - Yu Liu
- Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Qiaokou District, Wuhan, 430030, Hubei Province, China
| | - Mei Wang
- Department of Nursing, Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China
| | - Rong Wang
- Department of Nursing, Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China
| | - Huifen Ling
- Department of Nursing, Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China
| | - Yan Yang
- Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Qiaokou District, Wuhan, 430030, Hubei Province, China.
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15
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Lee CS, Kim S, Hwang G, Song J. Deubiquitinases: Modulators of Different Types of Regulated Cell Death. Int J Mol Sci 2021; 22:4352. [PMID: 33919439 PMCID: PMC8122337 DOI: 10.3390/ijms22094352] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 02/06/2023] Open
Abstract
The mechanisms and physiological implications of regulated cell death (RCD) have been extensively studied. Among the regulatory mechanisms of RCD, ubiquitination and deubiquitination enable post-translational regulation of signaling by modulating substrate degradation and signal transduction. Deubiquitinases (DUBs) are involved in diverse molecular pathways of RCD. Some DUBs modulate multiple modalities of RCD by regulating various substrates and are powerful regulators of cell fate. However, the therapeutic targeting of DUB is limited, as the physiological consequences of modulating DUBs cannot be predicted. In this review, the mechanisms of DUBs that regulate multiple types of RCD are summarized. This comprehensive summary aims to improve our understanding of the complex DUB/RCD regulatory axis comprising various molecular mechanisms for diverse physiological processes. Additionally, this review will enable the understanding of the advantages of therapeutic targeting of DUBs and developing strategies to overcome the side effects associated with the therapeutic applications of DUB modulators.
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Affiliation(s)
- Choong-Sil Lee
- Integrated OMICS for Biomedical Science, World Class University, Yonsei University, Seoul 120-749, Korea;
| | - Seungyeon Kim
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 120-749, Korea; (S.K.); (G.H.)
| | - Gyuho Hwang
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 120-749, Korea; (S.K.); (G.H.)
| | - Jaewhan Song
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 120-749, Korea; (S.K.); (G.H.)
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16
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Jiangqiao Z, Tianyu W, Zhongbao C, Long Z, Jilin Z, Xiaoxiong M, Tao Q. Ubiquitin-Specific Peptidase 10 Protects Against Hepatic Ischaemic/Reperfusion Injury via TAK1 Signalling. Front Immunol 2020; 11:506275. [PMID: 33133065 PMCID: PMC7550542 DOI: 10.3389/fimmu.2020.506275] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 09/09/2020] [Indexed: 12/20/2022] Open
Abstract
Ubiquitin-specific peptidase 10 (USP10) protein is a deubiquitination enzyme involved in many important biological processes. However, the function of USP10 in hepatic ischaemic/reperfusion (I/R) injury remains unknown. The aim of this study was to explore the role of USP10 in hepatic I/R injury. USP10 Heterozygote mice and primary hepatocytes were used to construct hepatic I/R models. The effect of USP10 on hepatic I/R injury was examined via pathological and molecular analyses. Our results indicated that USP10 was significantly downregulated in the livers of mice after hepatic I/R injury and in hepatocytes subjected to hypoxia/reoxygenation stimulation. USP10 Heterozygote mice exhibited exacerbated hepatic I/R injury, as evidenced by enhanced liver inflammation via the NF-κB signalling pathway and increased hepatocyte apoptosis. Additionally, USP10 overexpression inhibited hepatocyte inflammation and apoptosis in hepatic I/R injury in vitro and in vivo. Mechanistically, our study demonstrated that USP10 knockdown exerted its detrimental effects on hepatic I/R injury by inducing activation of the transforming growth factor β-activated kinase 1 (TAK1)-JNK/p38 signalling pathways. TAK1 was required for USP10 function in hepatic I/R injury as TAK1 inhibition abolished USP10 function in vitro. In conclusion, our study demonstrated that USP10 plays a protective role in hepatic I/R injury by inhibiting the activation of the TAK1-JNK/p38 signalling pathways. Modulation of USP10/TAK1 might be a promising strategy to prevent this pathological process.
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Affiliation(s)
- Zhou Jiangqiao
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Wang Tianyu
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Chen Zhongbao
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Zhang Long
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Zou Jilin
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Ma Xiaoxiong
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Qiu Tao
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China
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17
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Chen X, Bao G, Liu F. Inhibition of USP15 Prevent Glutamate-Induced Oxidative Damage by Activating Nrf2/HO-1 Signaling Pathway in HT22 Cells. Cell Mol Neurobiol 2020; 40:999-1010. [PMID: 31933062 DOI: 10.1007/s10571-020-00789-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 01/07/2020] [Indexed: 02/07/2023]
Abstract
Oxidative stress has been identified as the significant mediator in epilepsy, which is a chronic disorder in central nervous system. About 30% of epilepsy patients are refractory to antiepileptic drug treatment. However, the underlying mechanism of oxidative damage in epilepsy needs further investigation. In our study, we first find that ubiquitin-specific peptidase 15 (USP15) expression was upregulated in a pentylenetetrazole (PTZ) kindled rat model of epilepsy. Silencing USP15 protected against glutamate-mediated neuronal cell death, and inhibited the high expression levels of cleaved caspase-3. Knockout of USP15 significantly reduced intracellular reactive oxygen species (ROS) levels and enhanced superoxide dismutase (SOD) activity in HT22 cells under the exposure to glutamate treatment. Furthermore, USP15 inhibition induced nuclear factor erythroid-derived 2-related factor2 (Nrf2) nuclear translocation and promoted protein expression level of heme oxygenase (HO-1). Taken together, our findings first reveal a role of USP15 in the pathogenesis of epilepsy, and silencing USP15 in vitro protects against glutamate-mediated cytotoxicity in HT22 cells. Pharmacological inhibition of USP15 may alleviate epileptic seizures via fighting against oxidative damage, providing a novel antiepileptic target.
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Affiliation(s)
- Xiaojie Chen
- Department of Neurology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201999, China
| | - Guanshui Bao
- Department of Neurology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201999, China.
| | - Fangfang Liu
- Department of Neurology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201999, China
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