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Liu G, Deng B, Huo L, Fan X, Bai H, Zhao Y, Xu L, Gao F, Mu X. Tetramethylpyrazine alleviates ferroptosis and promotes functional recovery in spinal cord injury by regulating GPX4/ACSL4. Eur J Pharmacol 2024; 977:176710. [PMID: 38843947 DOI: 10.1016/j.ejphar.2024.176710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/01/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024]
Abstract
OBJECTIVE Tetramethylpyrazine (TMP) has been demonstrated to alleviate neuronal ferroptosis following spinal cord injury (SCI), thereby promoting neural repair. However, the precise underlying mechanisms remain elusive. METHODS The SCI model was established using a modified version of Allen's method. TMP (40, 80, 120, and 160 mg/kg) and ras-selective lethal 3 (RSL3) (5 mg/kg) were administered intraperitoneally once daily for 7 days. HE and Nissl staining were employed to examine histomorphology and neurons, respectively. Perls staining was used to identify the distribution of iron. A transmission electron microscope was used to observe the microcosmic morphology of mitochondria. Immunofluorescence staining and Western blot were used to analyze neuronal nuclear protein (NeuN) and glial fibrillary acidic protein (GFAP) surrounding injury sites. Additionally, glutathione peroxidase 4 (GPX4)/NeuN + cells and acyl-CoA synthetase long-chain family member 4 (ACSL4)/NeuN + cells were observed. RT-qPCR was conducted to examine the mRNA expression levels of GPX4 and ACSL4. ELISA were used to quantify the concentrations of GPX4, reactive oxygen species (ROS), L-glutathione (GSH), malondialdehyde (MDA), superoxide dismutase (SOD), and tissue iron. RESULTS TMP had an inhibitory effect on the concentrations of tissue iron, ROS, GSH, MDA, and SOD. TMP improved the microcosmic morphology of mitochondria and increased GPX4 level while decreasing that of ACSL4. TMP reduced lesion sizes, enhanced neuronal survival, and inhibited glial scar formation. However, the effect of TMP can be effectively reversed by RSL3. CONCLUSION TMP alleviates neuronal ferroptosis by regulating the GPX4/ACSL4 axis, thereby protecting the remaining neurons surrounding injury sites and reducing glial scar formation.
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Affiliation(s)
- Gang Liu
- Beijing University of Chinese Medicine, Dongzhimen Hospital, Beijing, 100029, China
| | - Bowen Deng
- Tsinghua University, Department of Mechanical Engineering, 100084, China
| | - Luyao Huo
- Beijing University of Chinese Medicine, Dongzhimen Hospital, Beijing, 100029, China
| | - Xiao Fan
- Qingdao Municipal Hospital, Qingdao, 266011, China
| | - Huizhong Bai
- Beijing University of Chinese Medicine, Dongzhimen Hospital, Beijing, 100029, China
| | - Yi Zhao
- Beijing University of Chinese Medicine, Dongzhimen Hospital, Beijing, 100029, China
| | - Lin Xu
- Beijing University of Chinese Medicine, Dongzhimen Hospital, Beijing, 100029, China
| | - Feng Gao
- Beijing University of Chinese Medicine, Dongzhimen Hospital, Beijing, 100029, China.
| | - Xiaohong Mu
- Beijing University of Chinese Medicine, Dongzhimen Hospital, Beijing, 100029, China.
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2
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Zhang L, Hu Z, Li Z, Lin Y. Crosstalk among mitophagy, pyroptosis, ferroptosis, and necroptosis in central nervous system injuries. Neural Regen Res 2024; 19:1660-1670. [PMID: 38103229 PMCID: PMC10960298 DOI: 10.4103/1673-5374.389361] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 08/28/2023] [Accepted: 09/24/2023] [Indexed: 12/18/2023] Open
Abstract
Central nervous system injuries have a high rate of resulting in disability and mortality; however, at present, effective treatments are lacking. Programmed cell death, which is a genetically determined form of active and ordered cell death with many types, has recently attracted increasing attention due to its functions in determining the fate of cell survival. A growing number of studies have suggested that programmed cell death is involved in central nervous system injuries and plays an important role in the progression of brain damage. In this review, we provide an overview of the role of programmed cell death in central nervous system injuries, including the pathways involved in mitophagy, pyroptosis, ferroptosis, and necroptosis, and the underlying mechanisms by which mitophagy regulates pyroptosis, ferroptosis, and necroptosis. We also discuss the new direction of therapeutic strategies targeting mitophagy for the treatment of central nervous system injuries, with the aim to determine the connection between programmed cell death and central nervous system injuries and to identify new therapies to modulate programmed cell death following central nervous system injury. In conclusion, based on these properties and effects, interventions targeting programmed cell death could be developed as potential therapeutic agents for central nervous system injury patients.
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Affiliation(s)
- Li Zhang
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, China
| | - Zhigang Hu
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, China
| | - Zhenxing Li
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, China
| | - Yixing Lin
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, China
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3
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Zhang H, Ren K, Hu Y, Liu B, He Y, Xu H, Ma K, Tian W, Dai L, Zhao D. Neuritin promotes autophagic flux by inhibiting the cGAS-STING pathway to alleviate brain injury after subarachnoid haemorrhage. Brain Res 2024; 1836:148909. [PMID: 38570154 DOI: 10.1016/j.brainres.2024.148909] [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: 03/01/2024] [Accepted: 03/31/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Early brain injury (EBI) is closely associated with poor prognosis in patients with subarachnoid haemorrhage (SAH), with autophagy playing a pivotal role in EBI. However, research has shown that the stimulator of interferon genes (STING) pathway impacts autophagic flux. While the regulatory impact of neuritin on EBI and autophagic flux has been established previously, the underlying mechanism remains unclear. This study aimed to determine the role of the cGAS-STING pathway in neuritin-mediated regulation of autophagic flux following SAH. METHODS A SAH model was established in male Sprague-Dawley rats via intravascular perforation. Neuritin overexpressions using adeno-associated virus, the STING antagonist "C-176," and the activator, "CMA," were determined to investigate the cGAS-STING pathway's influence on autophagic flux and brain injury post-SAH, along with the neuritin's regulatory effect on STING. In this study, SAH grade, neurological score, haematoxylin and eosin (H&E) staining, brain water content (BWC), sandwich enzyme-linked immunosorbent assay, Evans blue staining, immunofluorescence staining, western blot analysis, and transmission electron microscopy (TEM) were examined. RESULTS Neuritin overexpression significantly ameliorated neurobehavioural scores, blood-brain barrier injury, brain oedema, and impaired autophagic flux in SAH-induced rats. STING expression remarkably increased post-SAH. C-176 and CMA mitigated and aggravated autophagic flux injury and brain injury, respectively, while inhibiting and enhancing STING, respectively. Particularly, CMA treatment nullified the protective effects of neuritin against autophagic flux and mitigated brain injury. CONCLUSION Neuritin alleviated EBI by restoring impaired autophagic flux after SAH through the regulation of the cGAS-STING pathway.
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Affiliation(s)
- Hao Zhang
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Kunhao Ren
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Youjie Hu
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Bin Liu
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Yaowen He
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Hui Xu
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Ketao Ma
- Shihezi University School of Medicine, Shihezi 832000, China
| | - Weidong Tian
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Linzhi Dai
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China.
| | - Dong Zhao
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China.
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Tian L, Tang P, Liu J, Liu Y, Hou L, Zhao J, Wang Q. Microglial gp91phox-mediated neuroinflammation and ferroptosis contributes to learning and memory deficits in rotenone-treated mice. Free Radic Biol Med 2024; 220:56-66. [PMID: 38697489 DOI: 10.1016/j.freeradbiomed.2024.04.240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/26/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024]
Abstract
Apart from dopaminergic neurotoxicity, exposure to rotenone, a commonly used insecticide in agriculture, also adversely affects hippocampal and cortical neurons, resulting in cognitive impairments in mice. We recently established a role of microglia-mediated neuroinflammation in rotenone-elicited deficits of cognition, yet the mechanisms remain elusive. Here, we investigated the involvement of NADPH oxidase 2 (NOX2) catalytic subunit gp91phox in rotenone-induced cognitive deficits and the associated mechanisms. Our study demonstrated that rotenone exposure elevated expression of gp91phox and phosphorylation of the NOX2 cytosolic subunit p47phox, along with NADPH depletion in the hippocampus and cortex of mice, indicating NOX2 activation. Specific knockdown of gp91phox in microglia via adeno-associated virus delivery resulted in reduced microglial activation, proinflammatory gene expression and improved learning and memory capacity in rotenone-intoxicated mice. Genetic deletion of gp91phox also reversed rotenone-elicited cognitive dysfunction in mice. Furthermore, microglial gp91phox knockdown attenuated neuronal damage and synaptic loss in mice. This intervention also suppressed iron accumulation, disruption of iron-metabolism proteins and iron-dependent lipid peroxidation and restored the balance of ferroptosis-related parameters, including GPX4, SLC711, PTGS2, and ACSL4 in rotenone-lesioned mice. Intriguingly, pharmacological inhibition of ferroptosis with liproxstatin-1 conferred protection against rotenone-induced neurodegeneration and cognitive dysfunction in mice. In summary, our findings underscored the contribution of microglial gp91phox-dependent neuroinflammation and ferroptosis to learning and memory dysfunction in rotenone-lesioned mice. These results provided valuable insights into the pathogenesis of cognitive deficits associated with pesticide-induced Parkinsonism, suggesting potential therapeutic avenues for intervention.
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Affiliation(s)
- Lu Tian
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China; Chaoyang Center for Disease Control and Prevention, Beijing, China
| | - Peiyan Tang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Jianing Liu
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Yiyang Liu
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Liyan Hou
- Dalian Medical University Library, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China
| | - Jie Zhao
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Qingshan Wang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China; School of Public Health, Dalian Medical University, Dalian, 116044, China.
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Liang Y, Qiu S, Zou Y, Leung ELH, Luo L. Ferroptosis-Modulating Natural Products for Targeting Inflammation-Related Diseases: Challenges and Opportunities in Manipulating Redox Signaling. Antioxid Redox Signal 2024. [PMID: 39001833 DOI: 10.1089/ars.2024.0556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/15/2024]
Abstract
Significance: Numerous disorders are linked to ferroptosis, a form of programmed cell death triggered by lipid peroxidation accumulation rather than apoptosis. Inflammation is the body's defensive response to stimuli and is also caused by inflammatory chemicals that can harm the body. The treatment of inflammatory diseases by focusing on the signaling pathways and mechanisms of ferroptosis has emerged as a new area worthy of extensive research. Recent Advances: Studies in cellular and animal models of inflammatory diseases have shown that ferroptosis markers are activated and lipid peroxidation levels are increased. Natural products (NPs) are gaining importance due to their ability to target ferroptosis pathways, particularly the Nuclear factor E2-related factor 2 signaling pathway, thereby suppressing inflammation and the release of pro-inflammatory cytokines. Critical Issues: This article provides an overview of ferroptosis, focusing on the signaling pathways and mechanisms connecting it to inflammation. It also explores the potential use of NPs as a treatment for inflammatory diseases and ferroptosis. Future Directions: NPs offer unique advantages, including multicomponent properties, multi-bio-targeting capabilities, and minimal side effects. Further research may facilitate the early clinical application of NPs to develop innovative treatment strategies.
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Affiliation(s)
- Yongyi Liang
- School of Ocean and Tropical Medicine, The Marine Biomedical Research Institute of Guangdong Zhanjiang, Guangdong Medical University, Zhanjiang, China
| | - Shaojun Qiu
- School of Ocean and Tropical Medicine, The Marine Biomedical Research Institute of Guangdong Zhanjiang, Guangdong Medical University, Zhanjiang, China
| | - Youwen Zou
- School of Ocean and Tropical Medicine, The Marine Biomedical Research Institute of Guangdong Zhanjiang, Guangdong Medical University, Zhanjiang, China
| | - Elaine Lai-Han Leung
- Faculty of Health Sciences, Cancer Centre, University of Macau, Zhuhai, Macao Special Administrative Region of China
- MOE Frontiers Science Centre for Precision Oncology, University of Macau, Zhuhai, Macao Special Administrative Region of China
- State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Zhuhai, Macao Special Administrative Region of China
| | - Lianxiang Luo
- School of Ocean and Tropical Medicine, The Marine Biomedical Research Institute of Guangdong Zhanjiang, Guangdong Medical University, Zhanjiang, China
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Yang M, Wang K, Liu B, Shen Y, Liu G. Hypoxic-Ischemic Encephalopathy: Pathogenesis and Promising Therapies. Mol Neurobiol 2024:10.1007/s12035-024-04398-9. [PMID: 39073530 DOI: 10.1007/s12035-024-04398-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
Hypoxic-ischemic encephalopathy (HIE) is a brain lesion caused by inadequate blood supply and oxygen deprivation, often occurring in neonates. It has emerged as a grave complication of neonatal asphyxia, leading to chronic neurological damage. Nevertheless, the precise pathophysiological mechanisms underlying HIE are not entirely understood. This paper aims to comprehensively elucidate the contributions of hypoxia-ischemia, reperfusion injury, inflammation, oxidative stress, mitochondrial dysfunction, excitotoxicity, ferroptosis, endoplasmic reticulum stress, and apoptosis to the onset and progression of HIE. Currently, hypothermia therapy stands as the sole standard treatment for neonatal HIE, albeit providing only partial neuroprotection. Drug therapy and stem cell therapy have been explored in the treatment of HIE, exhibiting certain neuroprotective effects. Employing drug therapy or stem cell therapy as adjunctive treatments to hypothermia therapy holds great significance. This article presents a systematic review of the pathogenesis and treatment strategies of HIE, with the goal of enhancing the effect of treatment and improving the quality of life for HIE patients.
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Affiliation(s)
- Mingming Yang
- Department of Pediatrics, Binhai County People's Hospital, Yancheng, Jiangsu Province, 224500, P. R. China
| | - Kexin Wang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu Province, 226001, P. R. China
| | - Boya Liu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu Province, 226001, P. R. China
| | - Yuntian Shen
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, Jiangsu Province, 226001, P. R. China.
| | - Guangliang Liu
- Department of Pediatrics, Binhai County People's Hospital, Yancheng, Jiangsu Province, 224500, P. R. China.
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Liu T, Yao W, Sun W, Yuan Y, Liu C, Liu X, Wang X, Jiang H. Components, Formulations, Deliveries, and Combinations of Tumor Vaccines. ACS NANO 2024; 18:18801-18833. [PMID: 38979917 DOI: 10.1021/acsnano.4c05065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Tumor vaccines, an important part of immunotherapy, prevent cancer or kill existing tumor cells by activating or restoring the body's own immune system. Currently, various formulations of tumor vaccines have been developed, including cell vaccines, tumor cell membrane vaccines, tumor DNA vaccines, tumor mRNA vaccines, tumor polypeptide vaccines, virus-vectored tumor vaccines, and tumor-in-situ vaccines. There are also multiple delivery systems for tumor vaccines, such as liposomes, cell membrane vesicles, viruses, exosomes, and emulsions. In addition, to decrease the risk of tumor immune escape and immune tolerance that may exist with a single tumor vaccine, combination therapy of tumor vaccines with radiotherapy, chemotherapy, immune checkpoint inhibitors, cytokines, CAR-T therapy, or photoimmunotherapy is an effective strategy. Given the critical role of tumor vaccines in immunotherapy, here, we look back to the history of tumor vaccines, and we discuss the antigens, adjuvants, formulations, delivery systems, mechanisms, combination therapy, and future directions of tumor vaccines.
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Affiliation(s)
- Tengfei Liu
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Wenyan Yao
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Wenyu Sun
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Yihan Yuan
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Chen Liu
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Xiaohui Liu
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Xuemei Wang
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Hui Jiang
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
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Gąssowska-Dobrowolska M, Olech-Kochańczyk G, Culmsee C, Adamczyk A. Novel Insights into Parkin-Mediated Mitochondrial Dysfunction and "Mito-Inflammation" in α-Synuclein Toxicity. The Role of the cGAS-STING Signalling Pathway. J Inflamm Res 2024; 17:4549-4574. [PMID: 39011416 PMCID: PMC11249072 DOI: 10.2147/jir.s468609] [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: 03/12/2024] [Accepted: 06/22/2024] [Indexed: 07/17/2024] Open
Abstract
The prevalence of age-related neurodegenerative diseases, such as Parkinson's disease (PD) and related disorders continues to grow worldwide. Increasing evidence links intracellular inclusions of misfolded alpha-synuclein (α-syn) aggregates, so-called Lewy bodies (LB) and Lewy neuritis, to the progressive pathology of PD and other synucleinopathies. Our previous findings established that α-syn oligomers induce S-nitrosylation and deregulation of the E3-ubiquitin ligase Parkin, leading to mitochondrial disturbances in neuronal cells. The accumulation of damaged mitochondria as a consequence, together with the release of mitochondrial-derived damage-associated molecular patterns (mtDAMPs) could activate the innate immune response and induce neuroinflammation ("mito-inflammation"), eventually accelerating neurodegeneration. However, the molecular pathways that transmit pro-inflammatory signals from damaged mitochondria are not well understood. One of the proposed pathways could be the cyclic GMP-AMP synthase (cGAS) - stimulator of interferon genes (STING) (cGAS-STING) pathway, which plays a pivotal role in modulating the innate immune response. It has recently been suggested that cGAS-STING deregulation may contribute to the development of various pathological conditions. Especially, its excessive engagement may lead to neuroinflammation and appear to be essential for the development of neurodegenerative brain diseases, including PD. However, the precise molecular mechanisms underlying cGAS-STING pathway activation in PD and other synucleinopathies are not fully understood. This review focuses on linking mitochondrial dysfunction to neuroinflammation in these disorders, particularly emphasizing the role of the cGAS-STING signaling. We propose the cGAS-STING pathway as a critical driver of inflammation in α-syn-dependent neurodegeneration and hypothesize that cGAS-STING-driven "mito-inflammation" may be one of the key mechanisms promoting the neurodegeneration in PD. Understanding the molecular mechanisms of α-syn-induced cGAS-STING-associated "mito-inflammation" in PD and related synucleinopathies may contribute to the identification of new targets for the treatment of these disorders.
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Affiliation(s)
| | - Gabriela Olech-Kochańczyk
- Department of Cellular Signalling, Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, Poland
| | - Carsten Culmsee
- Institute of Pharmacology and Clinical Pharmacy, University of Marburg, Marburg, Germany
- Center for Mind Brain and Behavior - CMBB, University of Marburg, Marburg, Germany
| | - Agata Adamczyk
- Department of Cellular Signalling, Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, Poland
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Liu R, Jiang L, Chen Y, Shao J, Chen K, Li X, Lv J, Cai W, Cai H, Zhu Z, Wang C, Zhou K, Huang J, Xiao J, Ni W, Wu C. Ginsenoside-Rh2 Promotes Functional Recovery after Spinal Cord Injury by Enhancing TFEB-Mediated Autophagy. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:14727-14746. [PMID: 38907713 DOI: 10.1021/acs.jafc.4c02379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/24/2024]
Abstract
Background: Following spinal cord injury (SCI), autophagy plays a positive role in neuronal protection, whereas pyroptosis triggers an inflammatory response. Ginsenoside-Rh2 (GRh2), known for its neuroprotective effects, is considered a promising drug. However, the exact molecular mechanisms underlying these protective effects remain unclear. Aim of the Study: Explore the therapeutic value of GRh2 in SCI and its potential mechanisms of action. Materials and Methods: An SCI mouse model was established, followed by random grouping and drug treatments under different conditions. Subsequently, the functional recovery of SCI mice after GRh2 treatment was assessed using hematoxylin and eosin, Masson's trichrome, and Nissl staining, footprint analysis, Basso Mouse Scale scoring, and inclined plane tests. The expression levels of relevant indicators in the mice were detected using Western blotting, immunofluorescence, and a quantitative polymerase chain reaction. Network pharmacology analysis was used to identify the relevant signaling pathways through which GRh2 exerts its therapeutic effects. Results: GRh2 promoted functional recovery after SCI. GRh2 significantly inhibits pyroptosis by enhancing autophagy in SCI mice. Simultaneously, the neuroprotective effect of GRh2, achieved through the inhibition of pyroptosis, is partially reversed by 3-methyladenine, an autophagy inhibitor. Additionally, the increase in autophagy induced by GRh2 is mediated by the promotion of transcription factor EB (TFEB) nuclear translocation and dephosphorylation. Partial attenuation of the protective effects of GRh2 was observed after TFEB knockdown. Additionally, GRh2 can modulate the activity of TFEB in mice post-SCI through the EGFR-MAPK signaling pathway, and NSC228155 (an EGFR activator) can partially reverse the effect of GRh2 on the EGFR-MAPK signaling pathway. Conclusions: GRh2 improves functional recovery after SCI by upregulating TFEB-mediated autophagic flux and inhibiting pyroptosis, indicating its potential clinical applicability.
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Affiliation(s)
- Rongjie Liu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Liting Jiang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Yituo Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Jiaqin Shao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Kongbin Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Xiang Li
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Junlei Lv
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Wanta Cai
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Haoxu Cai
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Zhefan Zhu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Chenggui Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Kailiang Zhou
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Jinfeng Huang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Jian Xiao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Wenfei Ni
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
| | - Chenyu Wu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, Wenzhou 325027, China
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
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10
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Zhang H, Li L, Zhang Z, Gao S, Yang M, Ma W, Li H, Zhao W, Yang H, Zhang Y, Zhao S. Pyroptotic macrophages promote proliferation and chemotherapy resistance of peripheral T-cell lymphoma via TLR4 signaling pathway. Cancer Sci 2024; 115:2444-2460. [PMID: 38613253 PMCID: PMC11247557 DOI: 10.1111/cas.16180] [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: 12/06/2023] [Revised: 02/28/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
Peripheral T-cell lymphoma (PTCL) is a highly aggressive type of non-Hodgkin's lymphoma with a poor prognosis. Pyroptosis is a newly discovered procedural cell death mode, which has been implicated to occur in both tumor cells and immune cells. However, the occurrence and effect of pyroptosis on PTCL remain unclear. Here, we found that pyroptosis occurred in interstitial macrophages of PTCL rather than in tumor cells. In clinical specimens, macrophage pyroptosis was associated with a poor prognosis of PTCL. In vitro experiments and gene sequencing results showed that pyroptotic macrophages could upregulate the expression of TLR4 through secreting inflammatory cytokines IL-18. Upregulated TLR4 activated its downstream NF-κB anti-apoptotic signaling pathway, thus leading to malignant proliferation and chemotherapy resistance of tumor cells. Moreover, the expression of factors such as XIAP in the NF-κB anti-apoptotic pathway was downregulated after the knockdown of TLR4, and the malignant promotion effect of pyroptotic macrophages on PTCL cells was also reversed. Our findings revealed the mechanism of pyroptotic macrophages promoting the malignant biological behavior of PTCL and elucidated the key role of TLR4 in this process. In-depth analysis of this mechanism will contribute to understanding the regulatory effect of PTCL by the tumor microenvironment and providing new ideas for the clinical treatment of PTCL.
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MESH Headings
- Toll-Like Receptor 4/metabolism
- Toll-Like Receptor 4/genetics
- Humans
- Signal Transduction
- Macrophages/metabolism
- Macrophages/immunology
- Cell Proliferation
- Drug Resistance, Neoplasm/genetics
- Pyroptosis/drug effects
- Cell Line, Tumor
- Lymphoma, T-Cell, Peripheral/metabolism
- Lymphoma, T-Cell, Peripheral/drug therapy
- Lymphoma, T-Cell, Peripheral/pathology
- Lymphoma, T-Cell, Peripheral/genetics
- Male
- NF-kappa B/metabolism
- Female
- Animals
- Mice
- Prognosis
- Middle Aged
- Interleukin-18/metabolism
- Interleukin-18/genetics
- Apoptosis/drug effects
- Gene Expression Regulation, Neoplastic
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Affiliation(s)
- Han Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Liru Li
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Zijian Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Shiqi Gao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Mingzhe Yang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Wenjie Ma
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Hongbin Li
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Wenhui Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Huike Yang
- Department of Anatomy, Harbin Medical University, Harbin, China
| | - Yue Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Shu Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
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11
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Zhang Z, Yang Z, Wang S, Wang X, Mao J. Decoding ferroptosis: Revealing the hidden assassin behind cardiovascular diseases. Biomed Pharmacother 2024; 176:116761. [PMID: 38788596 DOI: 10.1016/j.biopha.2024.116761] [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: 03/25/2024] [Revised: 05/09/2024] [Accepted: 05/17/2024] [Indexed: 05/26/2024] Open
Abstract
The discovery of regulatory cell death processes has driven innovation in cardiovascular disease (CVD) therapeutic strategies. Over the past decade, ferroptosis, an iron-dependent form of regulated cell death driven by excessive lipid peroxidation, has been shown to drive the development of multiple CVDs. This review provides insights into the evolution of the concept of ferroptosis, the similarities and differences with traditional modes of programmed cell death (e.g., apoptosis, autophagy, and necrosis), as well as the core regulatory mechanisms of ferroptosis (including cystine/glutamate transporter blockade, imbalance of iron metabolism, and lipid peroxidation). In addition, it provides not only a detailed review of the role of ferroptosis and its therapeutic potential in widely studied CVDs such as coronary atherosclerotic heart disease, myocardial infarction, myocardial ischemia/reperfusion injury, heart failure, cardiomyopathy, and aortic aneurysm but also an overview of the phenomenon and therapeutic perspectives of ferroptosis in lesser-addressed CVDs such as cardiac valvulopathy, pulmonary hypertension, and sickle cell disease. This article aims to integrate this knowledge to provide a comprehensive view of ferroptosis in a wide range of CVDs and to drive innovation and progress in therapeutic strategies in this field.
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Affiliation(s)
- Zeyu Zhang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China; Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zhihua Yang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China; Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Shuai Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Xianliang Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China.
| | - Jingyuan Mao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China.
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12
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Ni B, Yang Z, Zhou T, Zhou H, Zhou Y, Lin S, Xu H, Lin X, Yi W, He C, Liu X. Therapeutic intervention in neuroinflammation for neovascular ocular diseases through targeting the cGAS-STING-necroptosis pathway. J Neuroinflammation 2024; 21:164. [PMID: 38918759 PMCID: PMC11197344 DOI: 10.1186/s12974-024-03155-y] [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: 03/30/2024] [Accepted: 06/17/2024] [Indexed: 06/27/2024] Open
Abstract
The microglia-mediated neuroinflammation have been shown to play a crucial role in the ocular pathological angiogenesis process, but specific immunotherapies for neovascular ocular diseases are still lacking. This study proposed that targeting GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) might be a novel immunotherapy for these angiogenesis diseases. We found a significant upregulation of CGAS and STING genes in the RNA-seq data derived from retinal tissues of the patients with proliferative diabetic retinopathy. In experimental models of ocular angiogenesis including laser-induced choroidal neovascularization (CNV) and oxygen-induced retinopathy (OIR), the cGAS-STING pathway was activated as angiogenesis progressed. Either genetic deletion or pharmacological inhibition of STING resulted in a remarkable suppression of neovascularization in both models. Furthermore, cGAS-STING signaling was specifically activated in myeloid cells, triggering the subsequent RIP1-RIP3-MLKL pathway activation and leading to necroptosis-mediated inflammation. Notably, targeted inhibition of the cGAS-STING pathway with C-176 or SN-011 could significantly suppress pathological angiogenesis in CNV and OIR. Additionally, the combination of C-176 or SN-011 with anti-VEGF therapy led to least angiogenesis, markedly enhancing the anti-angiogenic effectiveness. Together, our findings provide compelling evidence for the importance of the cGAS-STING-necroptosis axis in pathological angiogenesis, highlighting its potential as a promising immunotherapeutic target for treating neovascular ocular diseases.
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Affiliation(s)
- Biyan Ni
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Ziqi Yang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Tian Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Hong Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Yang Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Shiya Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Huiyi Xu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Xiaojing Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Wei Yi
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Chang He
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China.
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China.
| | - Xialin Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China.
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China.
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13
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Liu FS, Huang HL, Deng LX, Zhang QS, Wang XB, Li J, Liu FB. Identification and bioinformatics analysis of genes associated with pyroptosis in spinal cord injury of rat and mouse. Sci Rep 2024; 14:14023. [PMID: 38890348 PMCID: PMC11189416 DOI: 10.1038/s41598-024-64843-6] [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: 08/28/2023] [Accepted: 06/13/2024] [Indexed: 06/20/2024] Open
Abstract
The mechanism of spinal cord injury (SCI) is highly complex, and an increasing number of studies have indicated the involvement of pyroptosis in the physiological and pathological processes of secondary SCI. However, there is limited bioinformatics research on pyroptosis-related genes (PRGs) in SCI. This study aims to identify and validate differentially expressed PRGs in the GEO database, perform bioinformatics analysis, and construct regulatory networks to explore potential regulatory mechanisms and therapeutic targets for SCI. We obtained high-throughput sequencing datasets of SCI in rats and mice from the GEO database. Differential analysis was conducted using the "limma" package in R to identify differentially expressed genes (DEGs). These genes were then intersected with previously reported PRGs, resulting in a set of PRGs in SCI. GO and KEGG enrichment analyses, as well as correlation analysis, were performed on the PRGs in both rat and mouse models of SCI. Additionally, a protein-protein interaction (PPI) network was constructed using the STRING website to examine the relationships between proteins. Hub genes were identified using Cytoscape software, and the intersection of the top 5 hub genes in rats and mice were selected for subsequent experimentally validated. Furthermore, a competing endogenous RNA (ceRNA) network was constructed to explore potential regulatory mechanisms. The gene expression profiles of GSE93249, GSE133093, GSE138637, GSE174549, GSE45376, GSE171441_3d and GSE171441_35d were selected in this study. We identified 10 and 12 PRGs in rats and mice datasets respectively. Six common DEGs were identified in the intersection of rats and mice PRGs. Enrichment analysis of these DEGs indicated that GO analysis was mainly focused on inflammation-related factors, while KEGG analysis showed that the most genes were enriched on the NOD-like receptor signaling pathway. We constructed a ceRNA regulatory network that consisted of five important PRGs, as well as 24 miRNAs and 34 lncRNAs. This network revealed potential regulatory mechanisms. Additionally, the three hub genes obtained from the intersection were validated in the rat model, showing high expression of PRGs in SCI. Pyroptosis is involved in secondary SCI and may play a significant role in its pathogenesis. The regulatory mechanisms associated with pyroptosis deserve further in-depth research.
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Affiliation(s)
- Fu-Sheng Liu
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Hai-Long Huang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Lin-Xia Deng
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Qian-Shi Zhang
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Xiao-Bin Wang
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Jing Li
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Fu-Bing Liu
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China.
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14
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Al Mamun A, Shao C, Geng P, Wang S, Xiao J. Pyroptosis in Diabetic Peripheral Neuropathy and its Therapeutic Regulation. J Inflamm Res 2024; 17:3839-3864. [PMID: 38895141 PMCID: PMC11185259 DOI: 10.2147/jir.s465203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 06/05/2024] [Indexed: 06/21/2024] Open
Abstract
Pyroptosis is a pro-inflammatory form of cell death resulting from the activation of gasdermins (GSDMs) pore-forming proteins and the release of several pro-inflammatory factors. However, inflammasomes are the intracellular protein complexes that cleave gasdermin D (GSDMD), leading to the formation of robust cell membrane pores and the initiation of pyroptosis. Inflammasome activation and gasdermin-mediated membrane pore formation are the important intrinsic processes in the classical pyroptotic signaling pathway. Overactivation of the NOD-like receptor thermal protein domain associated protein 3 (NLRP3) inflammasome triggers pyroptosis and amplifies inflammation. Current evidence suggests that the overactivation of inflammasomes and pyroptosis may further induce the progression of cancers, nerve injury, inflammatory disorders and metabolic dysfunctions. Current evidence also indicates that pyroptosis-dependent cell death accelerates the progression of diabetes and its frequent consequences including diabetic peripheral neuropathy (DPN). Pyroptosis-mediated inflammatory reaction further exacerbates DPN-mediated CNS injury. Accumulating evidence shows that several molecular signaling mechanisms trigger pyroptosis in insulin-producing cells, further leading to the development of DPN. Numerous studies have suggested that certain natural compounds or drugs may possess promising pharmacological properties by modulating inflammasomes and pyroptosis, thereby offering potential preventive and practical therapeutic approaches for the treatment and management of DPN. This review elaborates on the underlying molecular mechanisms of pyroptosis and explores possible therapeutic strategies for regulating pyroptosis-regulated cell death in the pharmacological treatment of DPN.
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Affiliation(s)
- Abdullah Al Mamun
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People’s Republic of China
| | - Chuxiao Shao
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
| | - Peiwu Geng
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
| | - Shuanghu Wang
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
| | - Jian Xiao
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People’s Republic of China
- Department of Wound Healing, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People’s Republic of China
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15
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Zhu X, Yu G, Lv Y, Yang N, Zhao Y, Li F, Zhao J, Chen Z, Lai Y, Chen L, Wang X, Xiao J, Cai Y, Feng Y, Ding J, Gao W, Zhou K, Xu H. Neuregulin-1, a member of the epidermal growth factor family, mitigates STING-mediated pyroptosis and necroptosis in ischaemic flaps. BURNS & TRAUMA 2024; 12:tkae035. [PMID: 38855574 PMCID: PMC11162832 DOI: 10.1093/burnst/tkae035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 05/22/2024] [Accepted: 05/22/2024] [Indexed: 06/11/2024]
Abstract
Background Ensuring the survival of the distal end of a random flap during hypoperfusion (ischaemia) is difficult in clinical practice. Effective prevention of programmed cell death is a potential strategy for inhibiting ischaemic flap necrosis. The activation of stimulator of interferon genes (STING) pathway promotes inflammation and leads to cell death. The epidermal growth factor family member neuregulin-1 (NRG1) reduces cell death by activating the protein kinase B (AKT) signalling pathway. Moreover, AKT signalling negatively regulates STING activity. We aimed to verify the efficacy of NRG1 injection in protecting against flap necrosis. Additionally, we investigated whether NRG1 effectively enhances ischemic flap survival by inhibiting pyroptosis and necroptosis through STING suppression. Methods A random-pattern skin flap model was generated on the backs of C57BL/6 mice. The skin flap survival area was determined. The blood supply and vascular network of the flap was assessed by laser Doppler blood flow analysis. Cluster of differentiation 34 immunohistochemistry (IHC) and haematoxylin and eosin (H&E) staining of the flap sections revealed microvessels. Transcriptome sequencing analysis revealed the mechanism by which NRG1 promotes the survival of ischaemic flaps. The levels of angiogenesis, oxidative stress, necroptosis, pyroptosis and indicators associated with signalling pathways in flaps were examined by IHC, immunofluorescence and Western blotting. Packaging adeno-associated virus (AAV) was used to activate STING in flaps. Results NRG1 promoted the survival of ischaemic flaps. An increased subcutaneous vascular network and neovascularization were found in ischaemic flaps after the application of NRG1. Transcriptomic gene ontology enrichment analysis and protein level detection indicated that necroptosis, pyroptosis and STING activity were reduced in the NRG1 group. The phosphorylation of AKT and forkhead box O3a (FOXO3a) were increased after NRG1 treatment. The increased expression of STING in flaps induced by AAV reversed the therapeutic effect of NRG1. The ability of NRG1 to phosphorylate AKT-FOXO3a, inhibit STING and promote flap survival was abolished after the application of the AKT inhibitor MK2206. Conclusions NRG1 inhibits pyroptosis and necroptosis by activating the AKT-FOXO3a signalling pathway to suppress STING activation and promote ischaemic flap survival.
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Affiliation(s)
- Xuwei Zhu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Gaoxiang Yu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Ya Lv
- The First Affiliated Hospital of Wenzhou Medical University, Nanbaixiang Street, Ouhai District, Wenzhou 325000, China
| | - Ningning Yang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Yinuo Zhao
- School of Pharmaceutical Science of Zhejiang Chinese Medical University, NO. 548 Binwen Road, Binjiang District, Hangzhou 310000, China
| | - Feida Li
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Jiayi Zhao
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Zhuliu Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Yingying Lai
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Liang Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Xiangyang Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Jian Xiao
- Molecular Pharmacology Research Center, School of Pharmaceutical Science, Wenzhou Medical University, Chashan University Town, Ouhai District, Wenzhou, 325000, China
| | - Yuepiao Cai
- Molecular Pharmacology Research Center, School of Pharmaceutical Science, Wenzhou Medical University, Chashan University Town, Ouhai District, Wenzhou, 325000, China
| | | | - Jian Ding
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Weiyang Gao
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Kailiang Zhou
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
| | - Hui Xu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
- The Second Clinical Medical College of Wenzhou Medical University, No. 109 West Xueyuan Road, Lucheng District, Wenzhou 325027, China
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Wang Z, Wang B, Jin X. Amentoflavone attenuates homocysteine-induced neuronal ferroptosis-mediated inflammatory response: Involvement of the SLC7A11/GPX4 axis activation. Brain Res Bull 2024; 215:111005. [PMID: 38852649 DOI: 10.1016/j.brainresbull.2024.111005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 06/03/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024]
Abstract
Elevated homocysteine (Hcy) levels, referred to hyperhomocysteinemia, are associated with an increased risk of several neurological disorders. Ferroptosis and inflammation play a vital role in Hcy-induced neuronal dysfunction. Amentoflavone (AMF), an active natural biflavone compound, exhibits antioxidative, anti-inflammatory, and neuroprotective activities. This study aimed to explore the potential effects of AMF on Hcy-induced neuronal injury, with a particular focus on the underlying mechanisms involving ferroptosis and inflammation. We assessed neuronal damage in HT22 cells by measuring cell viability, lactate dehydrogenase (LDH) release, and proliferation rates. Additionally, we evaluated oxidative stress markers including the levels of reactive oxygen species (ROS), MitoSOX, mitochondrial membrane potential (MMP), malondialdehyde (MDA), and glutathione (GSH). Iron metabolism and ferroptosis-related gene expressions (Ptgs2, Tfr1, and Fth1) were quantified. TheSLC7A11/GPX4 axis was also detected. Our results showed that AMF treatment dramatically mitigated Hcy-induced neuronal injury by increasing cell viability, decreasing LDH release, and promoting cell proliferation. AMF treatment also reduced Hcy-induced oxidative stress and lipid peroxidation, as evidenced by reduced ROS, MitoSOX, MMP, and MDA levels, along with an increased GSH content in HT22 cells. In addition, AMF treatment reduced iron content and ferroptosis-related gene mRNA levels. However, Erastin, a ferroptosis inducer, blocked these neuroprotective effects of AMF. Ferroptosis inhibitor Ferrostatin-1 also attenuated Hcy-induced ferroptosis. Moreover, both AMF and Ferrostatin-1 effectively mitigated Hcy-induced inflammation, which was again antagonized by Erastin. Mechanistically, AMF treatment enhanced SLC7A11/GPX4 axis in Hcy-treated HT22 cells. In conclusion, these findings suggest that AMF possesses neuroprotection against Hcy-induced injury primarily by inhibiting ferroptosis-mediated inflammation, partly through the activation of SLC7A11/GPX4 axis.
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Affiliation(s)
- Ziyao Wang
- The Affiliated Nanhua Hospital, Department of Ultrasound Medicine, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China; The First Affiliated Hospital, Department of Ultrasound Medicine, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China; State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Bo Wang
- The First Affiliated Hospital, Institute of Anesthesiology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, PR China
| | - Xin Jin
- The Affiliated Nanhua Hospital, Department of Anesthesiology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
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Bu X, Gong P, Zhang L, Song W, Hou J, Li Q, Wang W, Xia Z. Pharmacological inhibition of cGAS ameliorates postoperative cognitive dysfunction by suppressing caspase-3/GSDME-dependent pyroptosis. Neurochem Int 2024; 178:105788. [PMID: 38843953 DOI: 10.1016/j.neuint.2024.105788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 05/15/2024] [Accepted: 06/04/2024] [Indexed: 06/10/2024]
Abstract
Neuroinflammation is a major driver of postoperative cognitive dysfunction (POCD). The cyclic GMP-AMP synthase-stimulator of interferon gene (cGAS-STING) signaling is a prominent alarming device for aberrant double-stranded DNA (dsDNA) that has emerged as a key mediator of neuroinflammation in cognitive-related diseases. However, the role of the cGAS-STING pathway in the pathogenesis of POCD remains unclear. A POCD model was developed in male C57BL/6J mice by laparotomy under isoflurane (Iso) anesthesia. The cGAS inhibitor RU.521 and caspase-3 agonist Raptinal were delivered by intraperitoneal administration. BV2 cells were exposed to Iso and lipopolysaccharide (LPS) in the absence or presence of RU.521, and then cocultured with HT22 cells in the absence or presence of Raptinal. Cognitive function was assessed using the Morris water maze test and novel object recognition test. Immunofluorescence assays were used to observe the colocalization of dsDNA and cGAS. The downstream proteins and pro-inflammatory cytokines were detected using the Western blot and enzyme-linked immunosorbent assay (ELISA). Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining was used to assess the degree of cell death in the hippocampus following anesthesia/surgery treatment. Isoflurane/laparotomy and Iso + LPS significantly augmented the levels of cGAS in the hippocampus and BV2 cells, accompanied by mislocalized dsDNA accumulation in the cytoplasm. RU.521 alleviated cognitive impairment, diminished the levels of 2'3'-cGAMP, cGAS, STING, phosphorylated NF-κB p65 and NF-κB-pertinent pro-inflammatory cytokines (TNFα and IL-6), and repressed pyroptosis-associated elements containing cleaved caspase-3, N-GSDME, IL-1β and IL-18. These phenotypes could be rescued by Raptinal in vivo and in vitro. These findings suggest that pharmacological inhibition of cGAS mitigates neuroinflammatory burden of POCD by dampening caspase-3/GSDME-dependent pyroptosis, providing a potential therapeutic strategy for POCD.
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Affiliation(s)
- Xueshan Bu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Ping Gong
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, Department of Anesthesiology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
| | - Lei Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Wenqin Song
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Jiabao Hou
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Qingwen Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Wei Wang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China.
| | - Zhongyuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China.
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Wang T, Tang Y, Xia Y, Zhang Q, Cao S, Bie M, Kang F. IGF2 promotes alveolar bone regeneration in murine periodontitis via inhibiting cGAS/STING-mediated M1 macrophage polarization. Int Immunopharmacol 2024; 132:111984. [PMID: 38565043 DOI: 10.1016/j.intimp.2024.111984] [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: 01/01/2024] [Revised: 03/20/2024] [Accepted: 03/28/2024] [Indexed: 04/04/2024]
Abstract
Periodontitis is a chronic inflammatory disease with the destruction of supporting periodontal tissue. This study evaluated the role of insulin-like growth factor 2 (IGF2) in periodontitis by inhibiting the polarization of M1 macrophages via the cyclic GMP-AMP synthase (cGAS)/stimulator of interferon genes (STING) pathway. IGF2 was enriched in the gingival tissue of murine periodontitis model identified by RNA sequencing. IGF2 application alleviated the expression of pro-inflammatory factors and promoted osteogenesis and the expression of related genes and proteins in a dose-dependent manner in periodontitis. The result of micro-CT verified this finding. Both in vivo and in vitro results revealed that IGF2 decreased the polarization of M1 macrophages and pro-inflammatory factors by immunofluorescence staining, flow cytometry, western blotting and RT-PCR. IGF2 application promoted the osteogenic ability of periodontal ligament fibroblasts (PDLFs) indirectly via its inhibition of M1 polarization evaluated by alkaline phosphatase and alizarin red staining. Then, the cGAS/STING pathway was upregulated in periodontitis and macrophages challenged by LPS, the inhibition of which led to downregulation of M1 polarization. Furthermore, IGF2 could downregulate cGAS, STING and the phosphorylation of P65. Collectively, our study indicates IGF2 can regulate the polarization of M1 macrophages via the cGAS/STING pathway and highlights the promising future of IGF2 as a therapeutic treatment for periodontitis.
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Affiliation(s)
- Tairan Wang
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Yi Tang
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Yuxing Xia
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Qian Zhang
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Shaokang Cao
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Miaomiao Bie
- Second Dental Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Feiwu Kang
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China.
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Li W, Shen N, Kong L, Huang H, Wang X, Zhang Y, Wang G, Xu P, Hu W. STING mediates microglial pyroptosis via interaction with NLRP3 in cerebral ischaemic stroke. Stroke Vasc Neurol 2024; 9:153-164. [PMID: 37402504 PMCID: PMC11103158 DOI: 10.1136/svn-2023-002320] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 06/05/2023] [Indexed: 07/06/2023] Open
Abstract
BACKGROUND Ischaemia-evoked neuroinflammation is a critical pathogenic event following ischaemic stroke. Gasdermin D (GSDMD)-associated pyroptosis represents a type of inflammation-associated programmed cell death, which can exacerbate neuroinflammatory responses and brain damage. Stimulator of interferon genes (STING) was recently described as a vital innate immune adaptor protein associated with neuroinflammation. Nevertheless, the regulatory effects of STING on microglial pyroptosis post-stroke have not been well elaborated. METHODS STING-knockout and wild-type (WT) mice were subjected to middle cerebral artery occlusion (MCAO). STING small interfering RNA (siRNA) was transfected into BV2 cells before oxygen-glucose deprivation/reoxygenation (OGD/R). STING-overexpressing adeno-associated virus (AAV) and NOD-like receptor family pyrin domain containing 3 (NLRP3) siRNA were administered by stereotaxic injection. 2,3,5-Triphenyl tetrazolium chloride (TTC) staining, TdT-mediated dUTP nick end labeling (TUNEL) staining, Fluoro-Jade C (FJC) staining, neurobehavioural tests, immunohistochemistry, cytokine antibody array assay, transmission electron microscopy, immunoblot, Enzyme-linked immunosorbent assay (ELISA) and quantitative real-time polymerase chain reaction (qRT-PCR) were carried out. Co-immunoprecipitation assays were used to investigate the interplay between STING and NLRP3. RESULTS STING expression was increased after MCAO and mainly detected on microglia. STING deletion alleviated brain infarction, neuronal damage and neurobehavioural impairment in mice subjected to MCAO. STING knockout suppressed microglial activation and the secretion of inflammatory chemokines, accompanied by mitigation of microglial pyroptosis. Specific upregulation of microglial STING by AAV-F4/80-STING aggravated brain injury and microglial pyroptosis. Mechanistically, co-immunoprecipitation showed that STING bound to NLRP3 in microglia. Supplementation of NLRP3 siRNA reversed AAV-F4/80-STING-induced deterioration of microglial pyroptosis. CONCLUSIONS The current findings indicate that STING modulates NLRP3-mediated microglial pyroptosis following MCAO. STING may serve as a therapeutic target in neuroinflammation induced by cerebral ischaemic/reperfusion (I/R) injury.
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Affiliation(s)
- Wenyu Li
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Nan Shen
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Lingqi Kong
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Hongmei Huang
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Xinyue Wang
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Yan Zhang
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Guoping Wang
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Pengfei Xu
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Wei Hu
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
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20
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Li B, Xu L, Wang Z, Shi Q, Cui Y, Fan W, Wu Q, Tong X, Yan H. Neutrophil Extracellular Traps Regulate Surgical Brain Injury by Activating the cGAS-STING Pathway. Cell Mol Neurobiol 2024; 44:36. [PMID: 38637346 PMCID: PMC11026279 DOI: 10.1007/s10571-024-01470-9] [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: 10/25/2023] [Accepted: 03/15/2024] [Indexed: 04/20/2024]
Abstract
Surgical brain injury (SBI), induced by neurosurgical procedures or instruments, has not attracted adequate attention. The pathophysiological process of SBI remains sparse compared to that of other central nervous system diseases thus far. Therefore, novel and effective therapies for SBI are urgently needed. In this study, we found that neutrophil extracellular traps (NETs) were present in the circulation and brain tissues of rats after SBI, which promoted neuroinflammation, cerebral edema, neuronal cell death, and aggravated neurological dysfunction. Inhibition of NETs formation by peptidylarginine deiminase (PAD) inhibitor or disruption of NETs with deoxyribonuclease I (DNase I) attenuated SBI-induced damages and improved the recovery of neurological function. We show that SBI triggered the activation of cyclic guanosine monophosphate-adenosine monophosphate synthase stimulator of interferon genes (cGAS-STING), and that inhibition of the cGAS-STING pathway could be beneficial. It is worth noting that DNase I markedly suppressed the activation of cGAS-STING, which was reversed by the cGAS product cyclic guanosine monophosphate-adenosine monophosphate (cGMP-AMP, cGAMP). Furthermore, the neuroprotective effect of DNase I in SBI was also abolished by cGAMP. NETs may participate in the pathophysiological regulation of SBI by acting through the cGAS-STING pathway. We also found that high-dose vitamin C administration could effectively inhibit the formation of NETs post-SBI. Thus, targeting NETs may provide a novel therapeutic strategy for SBI treatment, and high-dose vitamin C intervention may be a promising translational therapy with an excellent safety profile and low cost.
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Affiliation(s)
- Bingbing Li
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
| | - Lixia Xu
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China
| | - Zhengang Wang
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
| | - Qi Shi
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
| | - Yang Cui
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
| | - Weijia Fan
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China
| | - Qiaoli Wu
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China
| | - Xiaoguang Tong
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China.
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China.
- Department of Neurosurgery, Tianjin Huanhu Hospital, Tianjin, 300350, China.
| | - Hua Yan
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China.
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China.
- Department of Neurosurgery, Tianjin Huanhu Hospital, Tianjin, 300350, China.
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21
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Peng Z, Ding YN, Yang ZM, Li XJ, Zhuang Z, Lu Y, Tang QS, Hang CH, Li W. Neuron-targeted liposomal coenzyme Q10 attenuates neuronal ferroptosis after subarachnoid hemorrhage by activating the ferroptosis suppressor protein 1/coenzyme Q10 system. Acta Biomater 2024; 179:325-339. [PMID: 38561074 DOI: 10.1016/j.actbio.2024.03.023] [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: 12/18/2023] [Revised: 03/07/2024] [Accepted: 03/25/2024] [Indexed: 04/04/2024]
Abstract
Subarachnoid hemorrhage (SAH) is primarily attributed to the rupture of intracranial aneurysms and is associated with a high incidence of disability and mortality. SAH disrupts the blood‒brain barrier, leading to the release of iron ions from blood within the subarachnoid space, subsequently inducing neuronal ferroptosis. A recently discovered protein, known as ferroptosis suppressor protein 1 (FSP1), exerts anti-ferroptotic effects by facilitating the conversion of oxidative coenzyme Q 10 (CoQ10) to its reduced form, which effectively scavenges reactive oxygen radicals and mitigates iron-induced ferroptosis. In our investigation, we observed an increase in FSP1 levels following SAH. However, the depletion of CoQ10 caused by SAH hindered the biological function of FSP1. Therefore, we created neuron-targeted liposomal CoQ10 by introducing the neuron-targeting peptide Tet1 onto the surface of liposomal CoQ10. Our objective was to determine whether this formulation could activate the FSP1 system and subsequently inhibit neuronal ferroptosis. Our findings revealed that neuron-targeted liposomal CoQ10 effectively localized to neurons at the lesion site after SAH. Furthermore, it facilitated the upregulation of FSP1, reduced the accumulation of malondialdehyde and reactive oxygen species, inhibited neuronal ferroptosis, and exerted neuroprotective effects both in vitro and in vivo. Our study provides evidence that supplementation with CoQ10 can effectively activate the FSP1 system. Additionally, we developed a neuron-targeted liposomal CoQ10 formulation that can be selectively delivered to neurons at the site of SAH. This innovative approach represents a promising therapeutic strategy for neuronal ferroptosis following SAH. STATEMENT OF SIGNIFICANCE: Subarachnoid hemorrhage (SAH) is primarily attributed to the rupture of intracranial aneurysms and is associated with a high incidence of disability and mortality. Ferroptosis suppressor protein 1 (FSP1), exerts anti-ferroptotic effects by facilitating the conversion of oxidative coenzyme Q 10 (CoQ10) to its reduced form, which effectively scavenges reactive oxygen radicals and mitigates iron-induced ferroptosis. In our investigation, we observed an increase in FSP1 levels following SAH. However, the depletion of CoQ10 caused by SAH hindered the biological function of FSP1. Therefore, we created neuron-targeted liposomal CoQ10. We find that it effectively localized to neurons at the lesion site after SAH and activated the FSP1/CoQ10 system. This innovative approach represents a promising therapeutic strategy for neuronal ferroptosis following SAH and other central nervous system diseases characterized by disruption of the blood-brain barrier.
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Affiliation(s)
- Zheng Peng
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Neurosurgical Institute, Nanjing University, Nanjing, China.
| | - Yi-Nan Ding
- Department of Interventional Oncology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, China.
| | | | - Xiao-Jian Li
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Neurosurgical Institute, Nanjing University, Nanjing, China.
| | - Zong Zhuang
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Neurosurgical Institute, Nanjing University, Nanjing, China.
| | - Yue Lu
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Neurosurgical Institute, Nanjing University, Nanjing, China.
| | - Qiu-Sha Tang
- Medical School of Southeast University, Nanjing, China.
| | - Chun-Hua Hang
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Neurosurgical Institute, Nanjing University, Nanjing, China.
| | - Wei Li
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Neurosurgical Institute, Nanjing University, Nanjing, China.
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22
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Chen M, Chen S, Wang X, Ye Z, Liu K, Qian Y, Tang M, Wu T. The discovery of regional neurotoxicity-associated metabolic alterations induced by carbon quantum dots in brain of mice using a spatial metabolomics analysis. Part Fibre Toxicol 2024; 21:19. [PMID: 38600504 PMCID: PMC11005155 DOI: 10.1186/s12989-024-00580-y] [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: 12/04/2023] [Accepted: 03/21/2024] [Indexed: 04/12/2024] Open
Abstract
BACKGROUND Recently, carbon quantum dots (CQDs) have been widely used in various fields, especially in the diagnosis and therapy of neurological disorders, due to their excellent prospects. However, the associated inevitable exposure of CQDs to the environment and the public could have serious severe consequences limiting their safe application and sustainable development. RESULTS In this study, we found that intranasal treatment of 5 mg/kg BW (20 µL/nose of 0.5 mg/mL) CQDs affected the distribution of multiple metabolites and associated pathways in the brain of mice through the airflow-assisted desorption electrospray ionization mass spectrometry imaging (AFADESI-MSI) technique, which proved effective in discovery has proven to be significantly alerted and research into tissue-specific toxic biomarkers and molecular toxicity analysis. The neurotoxic biomarkers of CQDs identified by MSI analysis mainly contained aminos, lipids and lipid-like molecules which are involved in arginine and proline metabolism, biosynthesis of unsaturated fatty acids, and glutamine and glutamate metabolism, etc. as well as related metabolic enzymes. The levels or expressions of these metabolites and enzymes changed by CQDs in different brain regions would induce neuroinflammation, organelle damage, oxidative stress and multiple programmed cell deaths (PCDs), leading to neurodegeneration, such as Parkinson's disease-like symptoms. This study enlightened risk assessments and interventions of QD-type or carbon-based nanoparticles on the nervous system based on toxic biomarkers regarding region-specific profiling of altered metabolic signatures. CONCLUSION These findings provide information to advance knowledge of neurotoxic effects of CQDs and guide their further safety evaluation.
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Affiliation(s)
- Min Chen
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, 210009, Nanjing, P.R. China
| | - Siyuan Chen
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, 210009, Nanjing, P.R. China
| | - Xinyu Wang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, 210009, Nanjing, P.R. China
| | - Zongjian Ye
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, 210009, Nanjing, P.R. China
| | - Kehan Liu
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, 210009, Nanjing, P.R. China
| | - Yijing Qian
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, 210009, Nanjing, P.R. China
| | - Meng Tang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, 210009, Nanjing, P.R. China
| | - Tianshu Wu
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, 210009, Nanjing, P.R. China.
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23
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Lin C, He C, Li L, Liu Y, Tang L, Ni Z, Zhang N, Lai T, Chen X, Wang X. Alpha-lipoic acid (ALA) ameliorates early brain injury after subarachnoid hemorrhage in Sprague-Dawley (SD) rats via inhibiting STING-NLRP3 inflammatory signaling. Neuroreport 2024; 35:250-257. [PMID: 38305103 PMCID: PMC10852041 DOI: 10.1097/wnr.0000000000001998] [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: 10/22/2023] [Accepted: 12/20/2023] [Indexed: 02/03/2024]
Abstract
Neuroinflammation is intimately associated with poor prognosis in patients with subarachnoid hemorrhage (SAH). Alpha-lipoic acid (ALA), a disulfide antioxidant, has been shown to be neuroprotective in an in vivo model of neurological injury; however, the role of ALA in SAH has never been evaluated. In this study, the Sprague-Dawley rats SAH model was induced by endovascular perforation method. ALA was transplanted intravenously into rats, and SR-717, a stimulator of interferon genes (STING) agonist, was injected intraperitoneally. The effects of ALA on early brain injury were assayed by neurological score, hematoxylin and eosin staining and Nissl staining. Immunohistochemistry staining and Western blotting were used to analyze various proteins. ALA significantly reduced STING- NLRP3 protein expression and decreased cell death, which in turn mitigated the neurobehavioral dysfunction following SAH. Furthermore, coadministration of ALA and SR-717 promoted STING-NLRP3 signaling pathway activation following SAH, which reversed the inhibitory effect of ALA on STING-NLRP3 protein activation and increased the neurological deficits. In conclusion, ALA may be a promising therapeutic strategy for alleviating early brain injury after SAH.
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Affiliation(s)
- Chunnan Lin
- Department of Neurosurgery, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong
- Department of Neurosurgery, Maoming People’s Hospital
- Department of Neurosurgery, Maoming Clinical College of Guangdong Medical University, Maoming, Guangdong, China
| | - Chunliu He
- Department of Neurosurgery, Maoming People’s Hospital
- Department of Neurosurgery, Maoming Clinical College of Guangdong Medical University, Maoming, Guangdong, China
| | - Liuqing Li
- Department of Neurosurgery, Maoming People’s Hospital
- Department of Neurosurgery, Maoming Clinical College of Guangdong Medical University, Maoming, Guangdong, China
| | - Yongqiang Liu
- Department of Neurosurgery, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong
- Department of Neurosurgery, Maoming People’s Hospital
- Department of Neurosurgery, Maoming Clinical College of Guangdong Medical University, Maoming, Guangdong, China
| | - Liangang Tang
- Department of Neurosurgery, Maoming People’s Hospital
- Department of Neurosurgery, Maoming Clinical College of Guangdong Medical University, Maoming, Guangdong, China
| | - Zepeng Ni
- Department of Neurosurgery, Maoming People’s Hospital
- Department of Neurosurgery, Maoming Clinical College of Guangdong Medical University, Maoming, Guangdong, China
| | - Naichong Zhang
- Department of Neurosurgery, Maoming People’s Hospital
- Department of Neurosurgery, Maoming Clinical College of Guangdong Medical University, Maoming, Guangdong, China
| | - Tinghai Lai
- Department of Neurosurgery, Maoming People’s Hospital
- Department of Neurosurgery, Maoming Clinical College of Guangdong Medical University, Maoming, Guangdong, China
| | - Xiaohong Chen
- Department of Neurosurgery, Maoming People’s Hospital
- Department of Neurosurgery, Maoming Clinical College of Guangdong Medical University, Maoming, Guangdong, China
| | - Xiangyu Wang
- Department of Neurosurgery, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong
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Lin X, Li X, Li C, Wang H, Zou L, Pan J, Zhang X, He L, Rong X, Peng Y. Activation of STING signaling aggravates chronic alcohol exposure-induced cognitive impairment by increasing neuroinflammation and mitochondrial apoptosis. CNS Neurosci Ther 2024; 30:e14689. [PMID: 38516831 PMCID: PMC10958405 DOI: 10.1111/cns.14689] [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: 11/21/2023] [Revised: 02/18/2024] [Accepted: 03/11/2024] [Indexed: 03/23/2024] Open
Abstract
AIMS Chronic alcohol exposure leads to persistent neurological disorders, which are mainly attributed to neuroinflammation and apoptosis. Stimulator of IFN genes (STING) is essential in the cytosolic DNA sensing pathway and is involved in inflammation and cellular death processes. This study was to examine the expression pattern and biological functions of STING signaling in alcohol use disorder (AUD). METHODS Cell-free DNA was extracted from human and mouse plasma. C57BL/6J mice were given alcohol by gavage for 28 days, and behavior tests were used to determine their mood and cognition. Cultured cells were treated with ethanol for 24 hours. The STING agonist DMXAA, STING inhibitor C-176, and STING-siRNA were used to intervene the STING. qPCR, western blot, and immunofluorescence staining were used to assess STING signaling, inflammation, and apoptosis. RESULTS Circulating cell-free mitochondrial DNA (mtDNA) was increased in individuals with AUD and mice chronically exposed to alcohol. Upregulation of STING signaling under alcohol exposure led to inflammatory responses in BV2 cells and mitochondrial apoptosis in PC12 cells. DMXAA exacerbated alcohol-induced cognitive impairment and increased the activation of microglia, neuroinflammation, and apoptosis in the medial prefrontal cortex (mPFC), while C-176 exerted neuroprotection. CONCLUSION Activation of STING signaling played an essential role in alcohol-induced inflammation and mitochondrial apoptosis in the mPFC. This study identifies STING as a promising therapeutic target for AUD.
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Affiliation(s)
- Xinrou Lin
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
- Nanhai Translational Innovation Center of Precision ImmunologySun Yat‐Sen Memorial HospitalFoshanChina
| | - Xiangpen Li
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
- Shenshan Medical Center, Sun Yat‐sen Memorial HospitalSun Yat‐sen UniversityShanweiChina
| | - Chenguang Li
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Hongxuan Wang
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Lubin Zou
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
- Nanhai Translational Innovation Center of Precision ImmunologySun Yat‐Sen Memorial HospitalFoshanChina
| | - Jingrui Pan
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
- Shenshan Medical Center, Sun Yat‐sen Memorial HospitalSun Yat‐sen UniversityShanweiChina
| | - Xiaoni Zhang
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Lei He
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Xiaoming Rong
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Ying Peng
- Department of Neurology, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
- Nanhai Translational Innovation Center of Precision ImmunologySun Yat‐Sen Memorial HospitalFoshanChina
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat‐Sen Memorial HospitalSun Yat‐Sen UniversityGuangzhouChina
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Zhang L, Bai W, Peng Y, Lin Y, Tian M. Role of O-GlcNAcylation in Central Nervous System Development and Injuries: A Systematic Review. Mol Neurobiol 2024:10.1007/s12035-024-04045-3. [PMID: 38367136 DOI: 10.1007/s12035-024-04045-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/13/2024] [Indexed: 02/19/2024]
Abstract
The development of central nervous system (CNS) can form perceptual, memory, and cognitive functions, while injuries to CNS often lead to severe neurological dysfunction and even death. As one of the prevalent post-translational modifications (PTMs), O-GlcNAcylation has recently attracted great attentions due to its functions in regulating the activity, subcellular localization, and stability of target proteins. It has been indicated that O-GlcNAcylation could interact with phosphorylation, ubiquitination, and methylation to jointly regulate the function and activity of proteins. Furthermore, a growing number of studies have suggested that O-GlcNAcylation played an important role in the CNS. During development, O-GlcNAcylation participated in the neurogenesis, neuronal development, and neuronal function. In addition, O-GlcNAcylation was involved in the progress of CNS injuries including ischemic stroke, subarachnoid hemorrhage (SAH), and intracerebral hemorrhage (ICH) and played a crucial role in the improvement of brain damage such as attenuating cognitive impairment, inhibiting neuroinflammation, suppressing endoplasmic reticulum (ER) stress, and maintaining blood-brain barrier (BBB) integrity. Therefore, O-GlcNAcylation showed great promise as a potential target in CNS development and injuries. In this article, we presented a review highlighting the role of O-GlcNAcylation in CNS development and injuries. Hence, on the basis of these properties and effects, intervention with O-GlcNAcylation may be developed as therapeutic agents for CNS diseases.
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Affiliation(s)
- Li Zhang
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu Province, Nanjing, People's Republic of China
| | - Wanshan Bai
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu Province, Nanjing, People's Republic of China
| | - Yaonan Peng
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu Province, Nanjing, People's Republic of China
| | - Yixing Lin
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu Province, Nanjing, People's Republic of China
| | - Mi Tian
- Department of Anesthesiology, Affiliated Zhongda Hospital of Southeast University, Jiangsu Province, Nanjing, People's Republic of China.
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Kang J, Ren B, Huang L, Dong X, Xiong Q, Feng Z. Orexin-A alleviates ferroptosis by activating the Nrf2/HO-1 signaling pathway in traumatic brain injury. Aging (Albany NY) 2024; 16:3404-3419. [PMID: 38349868 PMCID: PMC10929813 DOI: 10.18632/aging.205541] [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: 06/15/2023] [Accepted: 11/30/2023] [Indexed: 02/15/2024]
Abstract
BACKGROUND Traumatic Brain Injury (TBI) has high disability and mortality rate. Oxidative stress and ferroptosis are important pathophysiological characteristics after TBI. Orexin-A (OXA) can alleviate neuronal damage in diverse neurological disorders. Nevertheless, the role and mechanism of OXA in TBI stay unknown. OBJECTIVES The research investigated protection influence of OXA on TBI and its potential mechanisms. METHODS Male Sprague-Dawley rats were randomly grouped into: sham, TBI, TBI + normal saline (NS) and TBI+OXA groups. TBI model was constructed in rat via modified Feeney's approach, and OXA treatment was administered following construction of TBI model. RESULTS Relative to TBI+NS group, TBI+OXA group displayed greatly recovered tissue damage and neurological deficits. Additionally, OXA eased oxidative stress as well as ferroptosis in cerebral cortex of rats following TBI. Furthermore, OXA increased Nrf2 expression and regulating factors HO-1 and NQO1 in cerebral cortex of TBI rats. CONCLUSIONS Our research found OXA may restrain ferroptosis via Nrf2/HO-1 signaling pathway activation, thereby reducing brain injury after TBI.
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Affiliation(s)
- Junwei Kang
- Department of Rehabilitation Medicine, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Bingkai Ren
- Department of Rehabilitation Medicine, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Lianghua Huang
- Department of Rehabilitation Medicine, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
- First Department of Rehabilitation Medicine, Affiliated Hospital of Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330006, China
| | - Xiaoyang Dong
- Department of Rehabilitation Medicine, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Qi Xiong
- Department of Rehabilitation Medicine, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Zhen Feng
- Department of Rehabilitation Medicine, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
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27
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Zhang L, Bai W, Peng Y, Lin Y, Tian M. Human umbilical cord mesenchymal stem cell-derived exosomes provide neuroprotection in traumatic brain injury through the lncRNA TUBB6/Nrf2 pathway. Brain Res 2024; 1824:148689. [PMID: 38030103 DOI: 10.1016/j.brainres.2023.148689] [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: 09/20/2023] [Revised: 11/16/2023] [Accepted: 11/25/2023] [Indexed: 12/01/2023]
Abstract
Recently, human umbilical cord mesenchymal stem cell (HucMSC) is a new focus of research in neurological diseases, and the beneficial effect of HucMSC is mediated by paracrine factors which are transported by exosome. Our previous study has shown that HucMSC-derived exosome could provide neuroprotection after traumatic brain injury (TBI). However, the underlying mechanisms were not fully understood. In the present study, we found that administration of exosome suppressed TBI-induced inflammation and ferroptosis. In addition, exosome activated the long non-coding ribonucleic acid (lncRNA) TUBB6/nuclear factor erythroid 2-related factor 2 (Nrf2) pathway after TBI. However, exosome partly failed to provide neuroprotection following TBI when TUBB6 was knockdown. Importantly, exosome treatment also decreased neuron cell death, suppressed inflammation, inhibited ferroptosis and activated the lncRNA TUBB6/Nrf2 pathway after TBI in vitro. Taken together, our results provided the first evidence that HucMSC-derived exosome played a key role in neuroprotection after TBI through the lncRNA TUBB6/Nrf2 pathway.
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Affiliation(s)
- Li Zhang
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, PR China
| | - Wanshan Bai
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, PR China
| | - Yaonan Peng
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, PR China
| | - Yixing Lin
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, PR China
| | - Mi Tian
- Department of Anesthesiology, Affiliated Zhongda Hospital of Southeast University, Nanjing, Jiangsu Province, PR China.
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Sun X, Wu Y, Xu F, Liu C. Screening of potent RIPK3 inhibitors to attenuate necroptosis and inflammation in mouse traumatic brain injury models. Exp Neurol 2024; 372:114633. [PMID: 38061556 DOI: 10.1016/j.expneurol.2023.114633] [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: 09/23/2023] [Revised: 11/15/2023] [Accepted: 11/29/2023] [Indexed: 01/03/2024]
Abstract
Necroptosis is a type of cell death that occurs when cells are exposed to external stressors such as inflammation, infections, or injury. In necroptosis, cells use a different set of proteins including: receptor-interacting kinase 1 (RIPK1 or RIP1), receptor-interacting kinase 3 (RIPK3 or RIP3) and the phosphorylation of its substrate mixed lineage kinase domain-like protein (MLKL) and pathways to trigger their own death. Mutations in the gene encoding RIPK3 have been associated with many diseases, including neurodegenerative diseases, neuroinflammatory diseases, inflammatory diseases,tumors, and it is being studied as a potential target for inflammatory injury therapy. RIPK3 has also been implicated in the pathology of neuroinflammation following Traumatic brain injury and is currently being explored as a potential therapy. We screened through necroptosis blocking compounds, a library of FDA-approved compounds. We found four compounds:1D6-Foretinib GSK1363089; 15F6-Poziotinib (HM781-36B); 15F9-Dasatinib monohydrate; 15A10-Pexmetinib (ARRY-614); acts as potent inhibitors of necroptosis (Necroptosis Blocking Compounds, NBCs) by blocking the RIPK3 kinase activity. These four compounds effectively block necroptosis induced by death receptor ligands Toll-like receptors as well as viral infections in human, rat and mouse cells. The cellular activation of RIPK3 and MLKL stimulated by necroptosis was strongly inhibited by NBCs. The compounds are promising for targeting RIPK3 kinase activity, thereby preventing necroptosis and inflammatory responses. In our study, we explored the role of NBCs in neuroprotection after traumatic brain injury. It's effectiveness in traumatic brain injury animal models and favorable safety profiles make it a potential candidate for the advances of new therapies for necroptosis-associated neuroinflammatory disorders.
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Affiliation(s)
- Xue Sun
- The Second Affiliated Hospital of Soochow University, Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, Soochow University, Suzhou, China; The First Affiliated hospital of Soochow University, Department of Emergency Medicine, Soochow University, Jiangsu Province, Suzhou, China; Institute of Trauma Medicine, Soochow University, China; Jiangsu Provincial Medical Innovation Center of Trauma Medicine, China
| | - Yu Wu
- The First Affiliated Hospital of Soochow University, Department of neurosurgery, Soochow University, Jiangsu Province, Suzhou, China
| | - Feng Xu
- The First Affiliated hospital of Soochow University, Department of Emergency Medicine, Soochow University, Jiangsu Province, Suzhou, China; Institute of Trauma Medicine, Soochow University, China; Jiangsu Provincial Medical Innovation Center of Trauma Medicine, China.
| | - Chunfeng Liu
- The Second Affiliated Hospital of Soochow University, Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, Soochow University, Suzhou, China.
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29
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He K, Yu H, Zhang J, Wu L, Han D, Ma R. A bibliometric analysis of the research hotspots and frontiers related to cell death in spinal cord injury. Front Neurol 2024; 14:1280908. [PMID: 38249747 PMCID: PMC10797099 DOI: 10.3389/fneur.2023.1280908] [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: 08/21/2023] [Accepted: 12/14/2023] [Indexed: 01/23/2024] Open
Abstract
Background Spinal cord injury (SCI) is a severe central nervous trauma that can cause serious consequences. Cell death is emerging as a common pathogenesis after SCI. In the last two decades, numerous studies have been published in the field of cell death after SCI. However, it is still rare to find relevant bibliometric analyses. This bibliometric study aims to visually represent global research trends in the field of cell death after SCI. Methods Bibliometric data were sourced from the Web of Science Core Collection (WoSCC) database. VOSviewer, CiteSpace, and R software ("bibliometrix" package) were used to analyze and visualize bibliometric data. Annual scientific production, countries/regions, institutions, authors, journals, highly cited papers, keywords, and literature co-citation were evaluated to determine research performance. Results An analysis of 5,078 publications extracted from the WoSCC database revealed a fluctuating yet persistent growth in the field of cell death after SCI over the past 23 years. China and the United States, contributing 69% of the total publications, were the main driving force in this field. The Wenzhou Medical University from China contributed to the most papers. In terms of authors, Salvatore Cuzzocrea from the University of Messina had the highest number of publications. The "Journal of Neurotrauma" was the top journal in terms of the number of publications, however, the "Journal of Neuroscience" was the top journal in terms of the number of citations. The theme of the highly cited articles mainly focused on the mechanism of cell death after SCI. The keyword and literature co-citation analysis mainly focused on the mode of cell death, mechanism research of cell death, and functional recovery after SCI. Conclusion This study analyzes the research hotspots, frontiers, and development trends in the field of cell death after SCI, which is important for future studies.
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Affiliation(s)
- Kelin He
- Department of Acupuncture and Moxibustion, The Third Affiliated Hospital of Zhejiang Chinese Medical University (Zhongshan Hospital of Zhejiang Province), Hangzhou, Zhejiang, China
- Key Laboratory of Acupuncture and Neurology of Zhejiang Province, The Third School of Clinical Medicine (School of Rehabilitation Medicine), Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Han Yu
- Key Laboratory of Acupuncture and Neurology of Zhejiang Province, The Third School of Clinical Medicine (School of Rehabilitation Medicine), Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Jieqi Zhang
- Key Laboratory of Acupuncture and Neurology of Zhejiang Province, The Third School of Clinical Medicine (School of Rehabilitation Medicine), Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Lei Wu
- Department of Acupuncture and Moxibustion, The Third Affiliated Hospital of Zhejiang Chinese Medical University (Zhongshan Hospital of Zhejiang Province), Hangzhou, Zhejiang, China
| | - Dexiong Han
- Department of Acupuncture and Moxibustion, The Third Affiliated Hospital of Zhejiang Chinese Medical University (Zhongshan Hospital of Zhejiang Province), Hangzhou, Zhejiang, China
| | - Ruijie Ma
- Department of Acupuncture and Moxibustion, The Third Affiliated Hospital of Zhejiang Chinese Medical University (Zhongshan Hospital of Zhejiang Province), Hangzhou, Zhejiang, China
- Key Laboratory of Acupuncture and Neurology of Zhejiang Province, The Third School of Clinical Medicine (School of Rehabilitation Medicine), Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
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30
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Shao BZ, Jiang JJ, Zhao YC, Zheng XR, Xi N, Zhao GR, Huang XW, Wang SL. Neutrophil extracellular traps in central nervous system (CNS) diseases. PeerJ 2024; 12:e16465. [PMID: 38188146 PMCID: PMC10771765 DOI: 10.7717/peerj.16465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 10/24/2023] [Indexed: 01/09/2024] Open
Abstract
Excessive induction of inflammatory and immune responses is widely considered as one of vital factors contributing to the pathogenesis and progression of central nervous system (CNS) diseases. Neutrophils are well-studied members of inflammatory and immune cell family, contributing to the innate and adaptive immunity. Neutrophil-released neutrophil extracellular traps (NETs) play an important role in the regulation of various kinds of diseases, including CNS diseases. In this review, current knowledge on the biological features of NETs will be introduced. In addition, the role of NETs in several popular and well-studied CNS diseases including cerebral stroke, Alzheimer's disease, multiple sclerosis, amyotrophic lateral sclerosis (ALS), and neurological cancers will be described and discussed through the reviewing of previous related studies.
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Affiliation(s)
- Bo-Zong Shao
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | | | - Yi-Cheng Zhao
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Xiao-Rui Zheng
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Na Xi
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Guan-Ren Zhao
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Xiao-Wu Huang
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
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31
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Pham AT, Oliveira AC, Albanna M, Alvarez-Castanon J, Dupee Z, Patel D, Fu C, Mukhsinova L, Nguyen A, Jin L, Bryant AJ. Non-Interferon-Dependent Role of STING Signaling in Pulmonary Hypertension. Arterioscler Thromb Vasc Biol 2024; 44:124-142. [PMID: 37942608 PMCID: PMC10872846 DOI: 10.1161/atvbaha.123.320121] [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: 09/08/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Patients with constitutive activation of DNA-sensing pathway through stimulator of IFN (interferon) genes (STING), such as those with STING-associated vasculopathy with onset in infancy, develop pulmonary hypertension (PH). However, the role of STING signaling in general PH patients is heretofore undescribed. Here, we seek to investigate the role of STING in PH development. METHODS STING expression in patient lung samples was examined. PH was induced in global STING-deficient mice and global type I IFN receptor 1-deficient mice using bleomycin or chronic hypoxia exposure. PH development was evaluated by right ventricular systolic pressure and Fulton index, with additional histological and flow cytometric analysis. VEGF (vascular endothelial growth factor) expression on murine immune cells was quantified and evaluated with multiplex and flow cytometry. Human myeloid-derived cells were differentiated from peripheral blood mononuclear cells and treated with either STING agonist or STING antagonist for evaluation of VEGF secretion. RESULTS Global STING deficiency protects mice from PH development, and STING-associated PH seems independent of type I IFN signaling. Furthermore, a role for STING-VEGF signaling pathway in PH development was demonstrated, with altered VEGF secretion in murine pulmonary infiltrated myeloid cells in a STING-dependent manner. In addition, pharmacological manipulation of STING in human myeloid-derived cells supports in vivo findings. Finally, a potential role of STING-VEGF-mediated apoptosis in disease development and progression was illustrated, providing a roadmap toward potential therapeutic applications. CONCLUSIONS Overall, these data provide concrete evidence of STING involvement in PH, establishing biological plausibility for STING-related therapies in PH treatment.
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Affiliation(s)
- Ann T Pham
- Department of Medicine, University of Florida College of Medicine, Gainesville
| | - Aline C Oliveira
- Department of Medicine, University of Florida College of Medicine, Gainesville
| | - Muhammad Albanna
- Department of Medicine, University of Florida College of Medicine, Gainesville
| | | | - Zadia Dupee
- Department of Medicine, University of Florida College of Medicine, Gainesville
| | - Diya Patel
- Department of Medicine, University of Florida College of Medicine, Gainesville
| | - Chunhua Fu
- Department of Medicine, University of Florida College of Medicine, Gainesville
| | - Laylo Mukhsinova
- Department of Medicine, University of Florida College of Medicine, Gainesville
| | - Amy Nguyen
- Department of Medicine, University of Florida College of Medicine, Gainesville
| | - Lei Jin
- Department of Medicine, University of Florida College of Medicine, Gainesville
| | - Andrew J Bryant
- Department of Medicine, University of Florida College of Medicine, Gainesville
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Nie L, He J, Wang J, Wang R, Huang L, Jia L, Kim YT, Bhawal UK, Fan X, Zille M, Jiang C, Chen X, Wang J. Environmental Enrichment for Stroke and Traumatic Brain Injury: Mechanisms and Translational Implications. Compr Physiol 2023; 14:5291-5323. [PMID: 38158368 DOI: 10.1002/cphy.c230007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Acquired brain injuries, such as ischemic stroke, intracerebral hemorrhage (ICH), and traumatic brain injury (TBI), can cause severe neurologic damage and even death. Unfortunately, currently, there are no effective and safe treatments to reduce the high disability and mortality rates associated with these brain injuries. However, environmental enrichment (EE) is an emerging approach to treating and rehabilitating acquired brain injuries by promoting motor, sensory, and social stimulation. Multiple preclinical studies have shown that EE benefits functional recovery, including improved motor and cognitive function and psychological benefits mediated by complex protective signaling pathways. This article provides an overview of the enriched environment protocols used in animal models of ischemic stroke, ICH, and TBI, as well as relevant clinical studies, with a particular focus on ischemic stroke. Additionally, we explored studies of animals with stroke and TBI exposed to EE alone or in combination with multiple drugs and other rehabilitation modalities. Finally, we discuss the potential clinical applications of EE in future brain rehabilitation therapy and the molecular and cellular changes caused by EE in rodents with stroke or TBI. This article aims to advance preclinical and clinical research on EE rehabilitation therapy for acquired brain injury. © 2024 American Physiological Society. Compr Physiol 14:5291-5323, 2024.
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Affiliation(s)
- Luwei Nie
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinxin He
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Key Laboratory for Brain Science Research and Transformation in the Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Ruike Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Leo Huang
- Department of Psychology, University of Toronto, Toronto, Ontario, Canada
| | - Lin Jia
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yun Tai Kim
- Division of Functional Food Research, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
- Department of Food Biotechnology, Korea University of Science & Technology, Daejeon, Republic of Korea
| | - Ujjal K Bhawal
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba, Japan
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - Xiaochong Fan
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Marietta Zille
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Vienna, Austria
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
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He YQ, Deng JL, Zhou CC, Jiang SG, Zhang F, Tao X, Chen WS. Ursodeoxycholic acid alleviates sepsis-induced lung injury by blocking PANoptosis via STING pathway. Int Immunopharmacol 2023; 125:111161. [PMID: 37948864 DOI: 10.1016/j.intimp.2023.111161] [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: 07/14/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 11/12/2023]
Abstract
Acute lung injury (ALI), a progressive lung disease mostly caused by sepsis, is characterized by uncontrolled inflammatory responses, increased oxidative stress, pulmonary barrier dysfunction, and pulmonary edema. Ursodeoxycholic acid (UDCA) is a natural bile acid with various pharmacological properties and is extensively utilized in clinical settings for the management of hepatobiliary ailments. Nonetheless, the potential protective effects and mechanism of UDCA on sepsis-induced lung injuries remain unknown. In this study, we reported that UDCA effectively inhibited pulmonary edema, inflammatory cell infiltration, pro-inflammatory cytokines production, and oxidative stress. Furthermore, UDCA treatment significantly alleviated the damage of pulmonary barrier and enhanced alveolar fluid clearance. Importantly, UDCA treatment potently suppressed PANoptosis-like cell death which is demonstrated by the block of apoptosis, pyroptosis, and necroptosis. Mechanistically, UDCA treatment prominently inhibited STING pathway. And the consequential loss of STING substantially impaired the beneficial effects of UDCA treatment on the inflammatory response, pulmonary barrier, and PANoptosis. These results indicate that STING plays a pivotal role in the UDCA treatment against sepsis-induced lung injury. Collectively, our findings show that UDCA treatment can ameliorate sepsis-induced lung injury and verified a previously unrecognized mechanism by which UDCA alleviated sepsis-induced lung injury through blocking PANoptosis-like cell death via STING pathway.
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Affiliation(s)
- Yu-Qiong He
- Institute of Chinese Materia Madica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China
| | - Jiu-Ling Deng
- Department of Pharmacy, Shanghai Fifth People's Hospital, Fudan University, Shanghai 200240, China
| | - Can-Can Zhou
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200040, China
| | - Sheng-Gui Jiang
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China
| | - Feng Zhang
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China.
| | - Xia Tao
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China.
| | - Wan-Sheng Chen
- Institute of Chinese Materia Madica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China.
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Liu Y, Zhao Z, Guo J, Ma Y, Li J, Ji H, Chen Z, Zheng J. Anacardic acid improves neurological deficits in traumatic brain injury by anti-ferroptosis and anti-inflammation. Exp Neurol 2023; 370:114568. [PMID: 37820939 DOI: 10.1016/j.expneurol.2023.114568] [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: 07/17/2023] [Revised: 09/23/2023] [Accepted: 10/07/2023] [Indexed: 10/13/2023]
Abstract
BACKGROUND Traumatic brain injury (TBI) is an important cause of disability and death. TBI leads to multiple forms of nerve cell death including ferroptosis due to iron-dependent lipid peroxidation. Anacardic acid (AA) is a natural component extracted from cashew nut shells, which has been reported to have neuroprotective effects in traumatic brain injury. We investigated whether AA has an anti-ferroptosis effect in TBI. METHODS We used the Feeney free-fall impact method to construct a TBI model to investigate the effect of AA on ferroptosis caused by TBI, in which Ferrostatin-1 (Fer-1), a ferroptosis inhibitor, served as a positive control group. We first identified the therapeutic effect of AA on TBI through modified neurological severity score (mNSS) and determined the appropriate concentration. Secondly, we investigated the effect of AA on the expression level of the key protein of ferroptosis by Western blotting and immunohistochemistry. Then the effect of AA on nerve tissue injury and nerve function improvement was verified. Finally, enzym-linked immunosorbent assay (ELISA) was used to verify that AA could reduce inflammation after TBI. RESULTS We found the intensely inhibitory effect of AA on ferroptosis, which is in parallel with the results obtained after Fer-1 treatment. In addition, AA and Fer-1 mitigated TBI-mediated tissue defects, destruction of the blood-brain barrier, and neurodegeneration. Novel object recognition (NOR), mNSS and water maze test showed that AA could significantly reduce the impairment of neural function and behavioral cognitive ability caused by TBI. Finally, we also demonstrated that AA has not only an anti-ferroptosis effect, but also an anti-inflammation effect. CONCLUSIONS AA can reduce the neurological impairment and behavioral cognitive impairment caused by TBI through the dual effect of anti-ferroptosis and anti-inflammation.
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Affiliation(s)
- Yu Liu
- Department of Neurosurgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an 223022, China; Xuzhou Medical University, Xuzhou 221000, China
| | - Zongren Zhao
- Department of Neurosurgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an 223022, China
| | - Jianqiang Guo
- Department of Neurosurgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an 223022, China; Xuzhou Medical University, Xuzhou 221000, China
| | - Yuanhao Ma
- Department of Neurosurgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an 223022, China; Xuzhou Medical University, Xuzhou 221000, China
| | - Jing Li
- Department of Neurosurgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an 223022, China
| | - Huanhuan Ji
- Department of Neurosurgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an 223022, China
| | - Zhongjun Chen
- Department of Neurosurgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an 223022, China
| | - Jinyu Zheng
- Department of Neurosurgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an 223022, China.
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Chen J, Chen Z, Yu D, Yan Y, Hao X, Zhang M, Zhu T. Neuroprotective Effect of Hydrogen Sulfide Subchronic Treatment Against TBI-Induced Ferroptosis and Cognitive Deficits Mediated Through Wnt Signaling Pathway. Cell Mol Neurobiol 2023; 43:4117-4140. [PMID: 37624470 PMCID: PMC10661805 DOI: 10.1007/s10571-023-01399-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 08/07/2023] [Indexed: 08/26/2023]
Abstract
Emerging evidence shows that targeting ferroptosis may be a potential therapeutic strategy for treating traumatic brain injury (TBI). Hydrogen sulfide (H2S) has been proven to play a neuroprotective role in TBI, but little is known about the effects of H2S on TBI-induced ferroptosis. In addition, it is reported that the Wnt signaling pathway can also actively regulate ferroptosis. However, whether H2S inhibits ferroptosis via the Wnt signaling pathway after TBI remains unclear. In this study, we first found that in addition to alleviating neuronal damage and cognitive impairments, H2S remarkably attenuated abnormal iron accumulation, decreased lipid peroxidation, and improved the expression of glutathione peroxidase 4, demonstrating the potent anti-ferroptosis action of H2S after TBI. Moreover, Wnt3a or liproxstatin-1 treatment obtained similar results, suggesting that activation of the Wnt signaling pathway can render the cells less susceptible to ferroptosis post-TBI. More importantly, XAV939, an inhibitor of the Wnt signaling pathway, almost inversed ferroptosis inactivation and reduction of neuronal loss caused by H2S treatment, substantiating the involvement of the Wnt signaling pathway in anti-ferroptosis effects of H2S. In conclusion, the Wnt signaling pathway might be the critical mechanism in realizing the anti-ferroptosis effects of H2S against TBI. TBI induces ferroptosis-related changes characterized by iron overload, impaired antioxidant system, and lipid peroxidation at the chronic phase after TBI. However, NaHS subchronic treatment reduces the susceptibility to TBI-induced ferroptosis, at least partly by activating the Wnt signaling pathway.
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Affiliation(s)
- Jie Chen
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, 710061, Shaanxi, China
- Clinical Experimental Center, Xi'an Engineering Technology Research Center for Cardiovascular Active Pep-Tides, The Affiliated Xi'an International Medical Center Hospital, Northwest University, No.777 Xitai Road, Xi'an, 710100, Shaanxi, China
| | - Zhennan Chen
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, 710061, Shaanxi, China
| | - Dongyu Yu
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, 710061, Shaanxi, China
| | - Yufei Yan
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, 710061, Shaanxi, China
| | - Xiuli Hao
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, 710061, Shaanxi, China
| | - Mingxia Zhang
- Clinical Experimental Center, Xi'an Engineering Technology Research Center for Cardiovascular Active Pep-Tides, The Affiliated Xi'an International Medical Center Hospital, Northwest University, No.777 Xitai Road, Xi'an, 710100, Shaanxi, China
| | - Tong Zhu
- Clinical Experimental Center, Xi'an Engineering Technology Research Center for Cardiovascular Active Pep-Tides, The Affiliated Xi'an International Medical Center Hospital, Northwest University, No.777 Xitai Road, Xi'an, 710100, Shaanxi, China.
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Liu M, Wang Y, Li S, Hou X, Li T, Xu Z, Chen F, Zhou Y, Xia L, Wang W. Attenuates reactive oxygen species: induced pyroptosis via activation of the Nrf2/HO-1 signal pathway in models of trigeminal neuralgia. Sci Rep 2023; 13:18111. [PMID: 37872210 PMCID: PMC10593956 DOI: 10.1038/s41598-023-44013-w] [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: 06/01/2023] [Accepted: 10/03/2023] [Indexed: 10/25/2023] Open
Abstract
In this study, we examined the impact of demyelinating and neuroinflammation on trigeminal neuralgia (TN) by utilizing models of chronic constriction injury to the infraorbital nerve (CCI). The CCI rats were treated with either VX-765 (an inhibitor of caspase-1) or a control solution of PBS/DMSO to observe the effects on neurobehavioral and neuropathological outcomes. The histochemical changes, pyroptosis-related proteins were assessed using immunohistochemistry, Elisa, and western blotting. RSC96 cells were pretreated with belnacasan (VX-765, an inhibitor of caspase-1), Gasdermin D(GSDMD)-targeting siRNAs, cobalt protoporphyrin (CoPP) or zinc protoporphyrin (Znpp) before being exposed to H2O2. Following these treatments, the Reactive oxygen species (ROS) level, cell viability, percentage of pyroptosis, pyroptosis-related proteins, nuclear factor erythroid 2-related factor 2 (Nrf2) and HO-1 level was measured. The scanning electron microscopy revealed increased ball-like bulge and membrane pore formation in the CCI group. In the CCI and CCI+ Vehicle groups, we found ROS level and expression of pyroptosis-related proteins increased. While, treatment with VX-765resulted in a decreased expression of GSDMD, IL-1, IL-18, and caspase-1 decreased. In the in-vitro study, RSC96 cells showed mild pyroptosis and overall mild edema after being exposed to H2O2. The ROS level, percentage of pyroptosis, pyroptosis-related proteins, Nrf2 and HO-1 level increased significantly in the H2O2 group. While, the percentage of pyroptosis and pyroptosis-related proteins decreased significantly in the H2O2 + VX-765 group, H2O2 + siRNA group, and H2O2 + VX-765 + siRNA group. After treatment with HO-1-inhibitor Znpp and HO-1-activator Copp, the percentage of pyroptosis and pyroptosis-related proteins increased and decreased significantly respectively. In conclusions, the pyroptosis of Schwann cell in the CCI model generated the demyelination of TN nerve. The ROS is an upstream event of NLRP3 inflammasome activation which induced eventual pyroptosis. The Nrf2/HO-1 signaling pathway could protect the H2O2-induced pyroptosis in RSC96 cells.
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Affiliation(s)
- Mingxing Liu
- Department of Neurosurgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), No.1 Jiaozhou Road, Qingdao, Shandong Province, 266011, People's Republic of China
| | - Yongyi Wang
- Department of Neurosurgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), No.1 Jiaozhou Road, Qingdao, Shandong Province, 266011, People's Republic of China
| | - Shengli Li
- Department of Neurosurgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), No.1 Jiaozhou Road, Qingdao, Shandong Province, 266011, People's Republic of China
| | - Xiaoqun Hou
- Department of Neurosurgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), No.1 Jiaozhou Road, Qingdao, Shandong Province, 266011, People's Republic of China
| | - Tong Li
- Department of Neurosurgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), No.1 Jiaozhou Road, Qingdao, Shandong Province, 266011, People's Republic of China
| | - Zhiming Xu
- Department of Neurosurgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), No.1 Jiaozhou Road, Qingdao, Shandong Province, 266011, People's Republic of China
| | - Feng Chen
- Department of Neurosurgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), No.1 Jiaozhou Road, Qingdao, Shandong Province, 266011, People's Republic of China
| | - Yong Zhou
- Department of Neurosurgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), No.1 Jiaozhou Road, Qingdao, Shandong Province, 266011, People's Republic of China
| | - Lei Xia
- Department of Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 200092, China.
| | - Weimin Wang
- Department of Neurosurgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), No.1 Jiaozhou Road, Qingdao, Shandong Province, 266011, People's Republic of China.
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Ma X, Xin D, She R, Liu D, Ge J, Mei Z. Novel insight into cGAS-STING pathway in ischemic stroke: from pre- to post-disease. Front Immunol 2023; 14:1275408. [PMID: 37915571 PMCID: PMC10616885 DOI: 10.3389/fimmu.2023.1275408] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 10/04/2023] [Indexed: 11/03/2023] Open
Abstract
Ischemic stroke, a primary cause of disability and the second leading cause of mortality, has emerged as an urgent public health issue. Growing evidence suggests that the Cyclic GMP-AMP synthase (cGAS)- Stimulator of interferon genes (STING) pathway, a component of innate immunity, is closely associated with microglia activation, neuroinflammation, and regulated cell death in ischemic stroke. However, the mechanisms underlying this pathway remain inadequately understood. This article comprehensively reviews the existing literature on the cGAS-STING pathway and its multifaceted relationship with ischemic stroke. Initially, it examines how various risk factors and pre-disease mechanisms such as metabolic dysfunction and senescence (e.g., hypertension, hyperglycemia, hyperlipidemia) affect the cGAS-STING pathway in relation to ischemic stroke. Subsequently, we explore in depth the potential pathophysiological relationship between this pathway and oxidative stress, endoplasmic reticulum stress, neuroinflammation as well as regulated cell death including ferroptosis and PANoptosis following cerebral ischemia injury. Finally, it suggests that intervention targeting the cGAS-STING pathway may serve as promising therapeutic strategies for addressing neuroinflammation associated with ischemic stroke. Taken together, this review concludes that targeting the microglia cGAS-STING pathway may shed light on the exploration of new therapeutic strategies against ischemic stroke.
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Affiliation(s)
- Xiaoqi Ma
- 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
| | - Dan Xin
- Institute of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - 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
- 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
- Hunan Academy of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, 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
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Wang Z, Hu X, Cui P, Kong C, Chen X, Wang W, Lu S. Progress in understanding the role of cGAS-STING pathway associated with programmed cell death in intervertebral disc degeneration. Cell Death Discov 2023; 9:377. [PMID: 37845198 PMCID: PMC10579269 DOI: 10.1038/s41420-023-01607-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/30/2023] [Accepted: 08/14/2023] [Indexed: 10/18/2023] Open
Abstract
Nucleus pulposus (NP) inflammatory response can induce intervertebral disc degeneration (IVDD) by causing anabolic and catabolic disequilibrium of the extracellular matrix (ECM). This process is accompanied by the production of endogenous DNAs, then detectable by the DNA sensor cyclic GMP-AMP synthase (cGAS). cGAS recognizes these DNAs and activates the downstream adaptor protein, a stimulator of interferon genes (STING), initiating a cascade of inflammation responses through various cytokines. This evidence implies a crucial role of the cGAS-STING signaling pathway in IVDD. Additionally, it is suggested that this pathway could modulate IVDD progression by regulating apoptosis, autophagy, and pyroptosis. However, a detailed understanding of the role of cGAS-STING pathway in IVDD is still lacking. This review provides a comprehensive summary of recent advances in our understanding of the role of the cGAS-STING pathway in modulating inflammatory response in IVDD. We delve into the connection between the cGAS-STING axis and apoptosis, autophagy, and pyroptosis in IVDD. Furthermore, we discuss the therapeutic potential of targeting the cGAS-STING signaling pathway in IVDD treatment. Overall, this review aims to provide a foundation for future directions in IVDD treatment strategies.
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Affiliation(s)
- Zheng Wang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Xicheng District, Beijing, 100053, China
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Xinli Hu
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Xicheng District, Beijing, 100053, China
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Peng Cui
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Xicheng District, Beijing, 100053, China
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Chao Kong
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Xicheng District, Beijing, 100053, China
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Xiaolong Chen
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Xicheng District, Beijing, 100053, China.
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
| | - Wei Wang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Xicheng District, Beijing, 100053, China.
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
| | - Shibao Lu
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Xicheng District, Beijing, 100053, China.
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
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Zhu X, Li S. Ferroptosis, Necroptosis, and Pyroptosis in Gastrointestinal Cancers: The Chief Culprits of Tumor Progression and Drug Resistance. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300824. [PMID: 37436087 PMCID: PMC10502844 DOI: 10.1002/advs.202300824] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/29/2023] [Indexed: 07/13/2023]
Abstract
In recent years, the incidence of gastrointestinal cancers is increasing, particularly in the younger population. Effective treatment is crucial for improving patients' survival outcomes. Programmed cell death, regulated by various genes, plays a fundamental role in the growth and development of organisms. It is also critical for maintaining tissue and organ homeostasis and takes part in multiple pathological processes. In addition to apoptosis, there are other types of programmed cell death, such as ferroptosis, necroptosis, and pyroptosis, which can induce severe inflammatory responses. Notably, besides apoptosis, ferroptosis, necroptosis, and pyroptosis also contribute to the occurrence and development of gastrointestinal cancers. This review aims to provide a comprehensive summary on the biological roles and molecular mechanisms of ferroptosis, necroptosis, and pyroptosis, as well as their regulators in gastrointestinal cancers and hope to open up new paths for tumor targeted therapy in the near future.
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Affiliation(s)
- Xudong Zhu
- Department of General SurgeryCancer Hospital of Dalian University of TechnologyCancer Hospital of China Medical UniversityLiaoning Cancer Hospital and InstituteShenyangLiaoning Province110042China
| | - Shenglong Li
- Second Ward of Bone and Soft Tissue Tumor SurgeryCancer Hospital of Dalian University of TechnologyCancer Hospital of China Medical UniversityLiaoning Cancer Hospital and InstituteShenyangLiaoning Province110042China
- The Liaoning Provincial Key Laboratory of Interdisciplinary Research on Gastrointestinal Tumor Combining Medicine with EngineeringShenyangLiaoning Province110042China
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Wu X, Jiang Y, Li R, Xia Y, Li F, Zhao M, Li G, Tan X. Ficolin B secreted by alveolar macrophage exosomes exacerbates bleomycin-induced lung injury via ferroptosis through the cGAS-STING signaling pathway. Cell Death Dis 2023; 14:577. [PMID: 37648705 PMCID: PMC10468535 DOI: 10.1038/s41419-023-06104-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 08/17/2023] [Accepted: 08/22/2023] [Indexed: 09/01/2023]
Abstract
Pathogenesis exploration and timely intervention of lung injury is quite necessary as it has harmed human health worldwide for years. Ficolin B (Fcn B) is a recognition molecule that can recognize a variety of ligands and play an important role in mediating the cell cycle, immune response, and tissue homeostasis in the lung. However, the role of Fcn B in bleomycin (BLM)-induced lung injury is obscure. This study aims to investigate the sources of Fcn B and its mechanism in BLM-induced lung injury. WT, Fcna-/-, and Fcnb-/- mice were selected to construct the BLM-induced lung injury model. Lung epithelial cells were utilized to construct the BLM-induced cell model. Exosomes that were secreted from alveolar macrophages (AMs) were applied for intervention by transporting Fcn B. Clinical data suggested M-ficolin (homologous of Fcn B) was raised in plasma of interstitial lung disease (ILD) patients. In the mouse model, macrophage-derived Fcn B aggravated BLM-induced lung injury and fibrosis. Fcn B further promoted the development of autophagy and ferroptosis. Remarkably, cell experiment results revealed that Fcn B transported by BLM-induced AMs exosomes accelerated autophagy and ferroptosis in lung epithelial cells through the activation of the cGAS-STING pathway. In contrast, the application of 3-Methyladenine (3-MA) reversed the promotion effect of Fcn B from BLM-induced AMs exosomes on lung epithelial cell damage by inhibiting autophagy-dependent ferroptosis. Meanwhile, in the BLM-induced mice model, the intervention of Fcn B secreted from BLM-induced AMs exosomes facilitated lung injury and fibrosis via ferroptosis. In summary, this study demonstrated that Fcn B transported by exosomes from AMs exacerbated BLM-induced lung injury by promoting lung epithelial cells ferroptosis through the cGAS-STING signaling pathway.
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Affiliation(s)
- Xu Wu
- Pulmonary and Critical Care Medicine, the Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China.
| | - Yixia Jiang
- Pulmonary and Critical Care Medicine, the Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Rong Li
- Pulmonary and Critical Care Medicine, the Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Yezhou Xia
- Pulmonary and Critical Care Medicine, the Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Feifan Li
- Pulmonary and Critical Care Medicine, the Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Meiyun Zhao
- Pulmonary and Critical Care Medicine, the Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Guoqing Li
- Department of Gastroenterology, the Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China.
- The Key Laboratory of Molecular Diagnosis and Precision Medicine in Hengyang, Hengyang, Hunan, China.
- The Clinical Research Center for Gastric Cancer in Hunan Province, Hengyang, Hunan, China.
| | - Xiaowu Tan
- Pulmonary and Critical Care Medicine, the Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China.
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Nelson TJ, Xu Y. Sting and p53 DNA repair pathways are compromised in Alzheimer's disease. Sci Rep 2023; 13:8304. [PMID: 37221295 PMCID: PMC10206146 DOI: 10.1038/s41598-023-35533-6] [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: 02/10/2023] [Accepted: 05/19/2023] [Indexed: 05/25/2023] Open
Abstract
Alzheimer's disease (AD) is the most common cause of dementia. A common finding in AD is DNA damage. Double-strand DNA breaks (DSBs) are particularly hazardous to neurons because their post-mitotic state forces neurons to rely on error-prone and potentially mutagenic mechanisms to repair DNA breaks. However, it remains unclear whether DNA damage results from increased DNA damage or failure of DNA repair. Oligomerization of the tumor suppressor protein p53 is an essential part of DSB repair, and p53 phosphorylated on S15 is an indicator of DNA damage. We report that the monomer:dimer ratio of phosphorylated (S15) p53 is increased by 2.86-fold in temporal lobes of AD patients compared to age-matched controls, indicating that p53 oligomerization is compromised in AD. In vitro oxidation of p53 with 100 nM H2O2 produced a similar shift in the monomer:dimer ratio. A COMET test showed a higher level of DNA degradation in AD consistent with double-strand DNA damage or inhibition of repair. Protein carbonylation was also elevated (190% of control), indicating elevated oxidative stress in AD patients. Levels of the DNA repair support protein 14-3-3σ, γ-H2AX, a phosphorylated histone marking double strand DNA breaks, and phosphorylated ataxia telangiectasia mutated (ATM) protein were all increased. cGAS-STING-interferon signaling was impaired in AD and was accompanied by a depletion of STING protein from Golgi and a failure to elevate interferon despite the presence of DSBs. The results suggest that oxidation of p53 by ROS could inhibit the DDR and decrease its ability to orchestrate DSB repair by altering the oligomerization state of p53. The failure of immune-stimulated DNA repair may contribute to cell loss in AD and suggests new therapeutic targets for AD.
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Affiliation(s)
- Thomas J Nelson
- Department of Neurology, Marshall University Joan C. Edwards School of Medicine, Huntington, WV, 25704, USA.
| | - Yunhui Xu
- Department of Neurology, Marshall University Joan C. Edwards School of Medicine, Huntington, WV, 25704, USA
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Hu Y, Chen Y, Liu T, Zhu C, Wan L, Yao W. The bidirectional roles of the cGAS-STING pathway in pain processing: Cellular and molecular mechanisms. Biomed Pharmacother 2023; 163:114869. [PMID: 37182515 DOI: 10.1016/j.biopha.2023.114869] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/30/2023] [Accepted: 05/10/2023] [Indexed: 05/16/2023] Open
Abstract
Pain is a common clinical condition. However, the mechanisms underlying pain are not yet fully understood. It is known that the neuroimmune system plays a critical role in the pathogenesis of pain. Recent studies indicated that the cyclic-GMP-AMP synthase-stimulator of interferon genes (cGAS-STING) pathway can activate the innate immune system by sensing both extrinsic and intrinsic double-stranded DNA in the cytoplasm, which is involved in pain processing. In this review, we summarise (1) the roles of the cGAS-STING pathway in different pain models, (2) the effect of the cGAS-STING pathway in different cells during pain regulation, and (3) the downstream molecular mechanisms of the cGAS-STING pathway in pain regulation. This review provides evidence that the cGAS-STING pathway has pro- and anti-nociceptive effects in pain models. It has different functions in neuron, microglia, macrophage, and T cells. Its downstream molecules include IFN-I, NF-κB, NLRP3, and eIF2α. The bidirectional roles of the cGAS-STING pathway in pain processing are mediated by regulating nociceptive neuronal sensitivity and neuroinflammatory responses. However, their effects in special brain regions, activation of astrocytes, and the different phases of pain require further exploration.
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Affiliation(s)
- Yingjie Hu
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Huazhong University of Science and Technology, Wuhan 430030, China; Wuhan Clinical Research Center for Geriatric Anesthesia, Huazhong University of Science and Technology, Wuhan 430030, China; Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuye Chen
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Huazhong University of Science and Technology, Wuhan 430030, China; Wuhan Clinical Research Center for Geriatric Anesthesia, Huazhong University of Science and Technology, Wuhan 430030, China; Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Tongtong Liu
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Huazhong University of Science and Technology, Wuhan 430030, China; Wuhan Clinical Research Center for Geriatric Anesthesia, Huazhong University of Science and Technology, Wuhan 430030, China; Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chang Zhu
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Huazhong University of Science and Technology, Wuhan 430030, China; Wuhan Clinical Research Center for Geriatric Anesthesia, Huazhong University of Science and Technology, Wuhan 430030, China; Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Li Wan
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Huazhong University of Science and Technology, Wuhan 430030, China; Wuhan Clinical Research Center for Geriatric Anesthesia, Huazhong University of Science and Technology, Wuhan 430030, China; Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Wenlong Yao
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Huazhong University of Science and Technology, Wuhan 430030, China; Wuhan Clinical Research Center for Geriatric Anesthesia, Huazhong University of Science and Technology, Wuhan 430030, China; Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Govindarajulu M, Ramesh S, Beasley M, Lynn G, Wallace C, Labeau S, Pathak S, Nadar R, Moore T, Dhanasekaran M. Role of cGAS-Sting Signaling in Alzheimer's Disease. Int J Mol Sci 2023; 24:ijms24098151. [PMID: 37175853 PMCID: PMC10179704 DOI: 10.3390/ijms24098151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 04/18/2023] [Accepted: 04/30/2023] [Indexed: 05/15/2023] Open
Abstract
There is mounting evidence that the development of Alzheimer's disease (AD) interacts extensively with immunological processes in the brain and extends beyond the neuronal compartment. Accumulation of misfolded proteins can activate an innate immune response that releases inflammatory mediators and increases the severity and course of the disease. It is widely known that type-I interferon-driven neuroinflammation in the central nervous system (CNS) accelerates the development of numerous acute and chronic CNS diseases. It is becoming better understood how the cyclic GMP-AMP synthase (cGAS) and its adaptor protein Stimulator of Interferon Genes (STING) triggers type-I IFN-mediated neuroinflammation. We discuss the principal elements of the cGAS-STING signaling pathway and the mechanisms underlying the association between cGAS-STING activity and various AD pathologies. The current understanding of beneficial and harmful cGAS-STING activity in AD and the current treatment pathways being explored will be discussed in this review. The cGAS-STING regulation offers a novel therapeutic opportunity to modulate inflammation in the CNS because it is an upstream regulator of type-I IFNs.
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Affiliation(s)
- Manoj Govindarajulu
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Sindhu Ramesh
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - McNeil Beasley
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Graham Lynn
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Caleigh Wallace
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Sammie Labeau
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Suhrud Pathak
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Rishi Nadar
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Timothy Moore
- Units Administration, Research Programs, Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, 2316 Walker Building, Auburn, AL 36849, USA
| | - Muralikrishnan Dhanasekaran
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
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Su W, Gao W, Zhang R, Wang Q, Li L, Bu Q, Xu Z, Liu Z, Wang M, Zhu Y, Wu G, Zhou H, Wang X, Lu L. TAK1 deficiency promotes liver injury and tumorigenesis via ferroptosis and macrophage cGAS-STING signalling. JHEP Rep 2023; 5:100695. [PMID: 36968217 PMCID: PMC10033999 DOI: 10.1016/j.jhepr.2023.100695] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 01/16/2023] [Accepted: 01/21/2023] [Indexed: 03/29/2023] Open
Abstract
Background & Aims Oxidative stress-mediated ferroptosis and macrophage-related inflammation play an important role in various liver diseases. Here, we explored if and how hepatocyte ferroptosis regulates macrophage stimulator of interferon genes (STING) activation in the development of spontaneous liver damage, fibrosis, and tumorigenesis. Methods We used a transforming growth factor-beta-activated kinase 1 (TAK1) deficiency-induced model of spontaneous liver damage, fibrosis, and tumorigenesis to investigate hepatocyte ferroptosis and its impact on macrophage STING signalling. Primary hepatocytes and macrophages were used for in vitro experiments. Results Significant liver injury and increased numbers of intrahepatic M1 macrophages were found in hepatocyte-specific TAK1-deficient (TAK1ΔHEP) mice, peaking at 4 weeks and gradually decreasing at 8 and 12 weeks. Meanwhile, activation of STING signalling was observed in livers from TAK1ΔHEP mice at 4 weeks and had decreased at 8 and 12 weeks. Treatment with a STING inhibitor promoted macrophage M2 polarisation and alleviated liver injury, fibrosis, and tumour burden. TAK1 deficiency exacerbated liver iron metabolism in mice with a high-iron diet. Moreover, consistent with the results from single-cell RNA-Seq dataset, TAK1ΔHEP mice demonstrated an increased oxidative response and hepatocellular ferroptosis, which could be inhibited by reactive oxygen species scavenging. Suppression of ferroptosis by ferrostatin-1 inhibited the activation of macrophage STING signalling, leading to attenuated liver injury and fibrosis and a reduced tumour burden. Mechanistically, increased intrahepatic and serum levels of 8-hydroxydeoxyguanosine were detected in TAK1ΔHEP mice, which was suppressed by ferroptosis inhibition. Treatment with 8-hydroxydeoxyguanosine antibody inhibited macrophage STING activation in TAK1ΔHEP mice. Conclusions Hepatocellular ferroptosis-derived oxidative DNA damage promotes macrophage STING activation to facilitate the development of liver injury, fibrosis, and tumorigenesis. Inhibition of macrophage STING may represent a novel therapeutic approach for the prevention of chronic liver disease. Impact and implications The precise mechanism by which hepatocyte ferroptosis regulates macrophage STING activation in the progression of liver damage, fibrosis, and tumorigenesis remains unclear. Herein, we show that deletion of TAK1 in hepatocytes caused oxidative stress-mediated ferroptosis and macrophage-related inflammation in the development of spontaneous liver injury, fibrosis, and hepatocellular carcinoma.
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Affiliation(s)
- Wantong Su
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Weicheng Gao
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Rui Zhang
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Qi Wang
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Lei Li
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Qingfa Bu
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Zibo Xu
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Zheng Liu
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Mingming Wang
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Yaqing Zhu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine, Guangzhou, China
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine, Guangzhou, China.
| | - Guoping Wu
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital, Nanjing Medical University, Nanjing, China.
| | - Haoming Zhou
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
- Corresponding authors. Addresses: Hepatobiliary Center of The First Affiliated Hospital, Nanjing Medical University, Nanjing, China. Tel.: +86-25-68303947.
| | - Xun Wang
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
- Corresponding authors. Addresses: Hepatobiliary Center of The First Affiliated Hospital, Nanjing Medical University, Nanjing, China. Tel.: +86-25-68303947.
| | - Ling Lu
- Department of Plastic and Cosmetic Surgery of the Affiliated Friendship Plastic Surgery Hospital & Hepatobiliary Center of the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China
- Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China
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Balasubramaniam A, Srinivasan S. Role of stimulator of interferon genes (STING) in the enteric nervous system in health and disease. Neurogastroenterol Motil 2023:e14603. [PMID: 37094068 DOI: 10.1111/nmo.14603] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 04/13/2023] [Indexed: 04/26/2023]
Abstract
Stimulator of Interferon Genes (STING) is a crucial protein that controls the immune system's reaction to bacterial and viral infections. As a pattern-recognition receptor, STING is found in immune cells as well as in neurons and glia in the enteric nervous system (ENS). Recent studies have linked STING to the pathogenesis of several neurological disorders like multiple sclerosis (MS), Alzheimer's disease (AD), and gastrointestinal disorders, including irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD), which are characterized by chronic inflammation and dysregulation of the enteric nervous system (ENS) in the digestive tract. STING plays a crucial role in the pathway that induces the production of interferon in response to viral infection in the central nervous system (CNS). A new study by Dharshika et al. in the current issue of Neurogastroenterology and Motility has demonstrated distinct roles for STING in enteric neurons and glia, namely activation of STING leads to IFN-β production in enteric neurons but not in glia and reducing STING activation in enteric glia does not modulate the severity of Dextran sulfate sodium (DSS) colitis or subsequent loss of enteric neurons. Rather, the role of STING in enteric glia is related to enhancing autophagy. STING can influence gastrointestinal motility and barrier function and therefore be involved in the pathophysiology of IBS and IBD. This mini review highlights the current knowledge of STING in the pathophysiology of CNS and gastrointestinal diseases as well as these newly uncovered roles STING in enteric neurons and glia.
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Affiliation(s)
- Arun Balasubramaniam
- Division of Digestive Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Atlanta Veterans Affairs Health Care System, Decatur, Georgia, USA
| | - Shanthi Srinivasan
- Division of Digestive Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Atlanta Veterans Affairs Health Care System, Decatur, Georgia, USA
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Barker S, Paul BD, Pieper AA. Increased Risk of Aging-Related Neurodegenerative Disease after Traumatic Brain Injury. Biomedicines 2023; 11:1154. [PMID: 37189772 PMCID: PMC10135798 DOI: 10.3390/biomedicines11041154] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/30/2023] [Accepted: 04/05/2023] [Indexed: 05/17/2023] Open
Abstract
Traumatic brain injury (TBI) survivors frequently suffer from chronically progressive complications, including significantly increased risk of developing aging-related neurodegenerative disease. As advances in neurocritical care increase the number of TBI survivors, the impact and awareness of this problem are growing. The mechanisms by which TBI increases the risk of developing aging-related neurodegenerative disease, however, are not completely understood. As a result, there are no protective treatments for patients. Here, we review the current literature surrounding the epidemiology and potential mechanistic relationships between brain injury and aging-related neurodegenerative disease. In addition to increasing the risk for developing all forms of dementia, the most prominent aging-related neurodegenerative conditions that are accelerated by TBI are amyotrophic lateral sclerosis (ALS), frontotemporal dementia (FTD), Parkinson's disease (PD), and Alzheimer's disease (AD), with ALS and FTD being the least well-established. Mechanistic links between TBI and all forms of dementia that are reviewed include oxidative stress, dysregulated proteostasis, and neuroinflammation. Disease-specific mechanistic links with TBI that are reviewed include TAR DNA binding protein 43 and motor cortex lesions in ALS and FTD; alpha-synuclein, dopaminergic cell death, and synergistic toxin exposure in PD; and brain insulin resistance, amyloid beta pathology, and tau pathology in AD. While compelling mechanistic links have been identified, significantly expanded investigation in the field is needed to develop therapies to protect TBI survivors from the increased risk of aging-related neurodegenerative disease.
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Affiliation(s)
- Sarah Barker
- Center for Brain Health Medicines, Harrington Discovery Institute, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA;
- Department of Psychiatry, Case Western Reserve University, Cleveland, OH 44106, USA
- Geriatric Psychiatry, GRECC, Louis Stokes Cleveland VA Medical Center, Cleveland, OH 44106, USA
- Institute for Transformative Molecular Medicine, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
- Department of Pathology, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Bindu D. Paul
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21211, USA;
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21211, USA
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21211, USA
- Lieber Institute for Brain Development, Baltimore, MD 21205, USA
| | - Andrew A. Pieper
- Center for Brain Health Medicines, Harrington Discovery Institute, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA;
- Department of Psychiatry, Case Western Reserve University, Cleveland, OH 44106, USA
- Geriatric Psychiatry, GRECC, Louis Stokes Cleveland VA Medical Center, Cleveland, OH 44106, USA
- Institute for Transformative Molecular Medicine, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
- Department of Pathology, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
- Department of Neuroscience, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
- Translational Therapeutics Core, Cleveland Alzheimer’s Disease Research Center, Cleveland, OH 44106, USA
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Bao H, Yan J, Huang J, Deng W, Zhang C, Liu C, Huang A, Zhang Q, Xiong Y, Wang Q, Wu H, Hou L. Activation of endogenous retrovirus triggers microglial immuno-inflammation and contributes to negative emotional behaviors in mice with chronic stress. J Neuroinflammation 2023; 20:37. [PMID: 36793064 PMCID: PMC9933381 DOI: 10.1186/s12974-023-02724-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 02/09/2023] [Indexed: 02/17/2023] Open
Abstract
BACKGROUND The "missing" link of complex and multifaceted interplay among endogenous retroviruses (ERVs) transcription, chronic immuno-inflammation, and the development of psychiatric disorders is still far from being completely clarified. The present study was aimed to investigate the mechanism of protective role of inhibiting ERVs on reversing microglial immuno-inflammation in basolateral amygdala (BLA) in chronic stress-induced negative emotional behaviors in mice. METHODS Male C57BL/6 mice were exposed to chronic unpredictable mild stress (CUMS) for 6 w. Negative emotional behaviors were comprehensively investigated to identify the susceptible mice. Microglial morphology, ERVs transcription, intrinsic nucleic acids sensing response, and immuno-inflammation in BLA were assessed. RESULTS Mice with chronic stress were presented as obviously depressive- and anxiety-like behaviors, and accompanied with significant microglial morphological activation, murine ERVs genes MuERV-L, MusD, and IAP transcription, cGAS-IFI16-STING pathway activation, NF-κB signaling pathway priming, as well as NLRP3 inflammasome activation in BLA. Antiretroviral therapy, pharmacological inhibition of reverse transcriptases, as well as knocking-down the ERVs transcriptional regulation gene p53 significantly inhibited microglial ERVs transcription and immuno-inflammation in BLA, as well as improved the chronic stress-induced negative emotional behaviors. CONCLUSIONS Our results provided an innovative therapeutic approach that targeting ERVs-associated microglial immuno-inflammation may be beneficial to the patients with psychotic disorders.
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Affiliation(s)
- Han Bao
- grid.12955.3a0000 0001 2264 7233Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, No. 2000, East of Xiang’an Rd, Xiamen, 361102 China
| | - Jinqi Yan
- grid.452438.c0000 0004 1760 8119Department of Critical Care Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, 710061 China
| | - Jiancheng Huang
- grid.12955.3a0000 0001 2264 7233Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, No. 2000, East of Xiang’an Rd, Xiamen, 361102 China
| | - Wenjuan Deng
- grid.12955.3a0000 0001 2264 7233Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, No. 2000, East of Xiang’an Rd, Xiamen, 361102 China
| | - Ce Zhang
- grid.12955.3a0000 0001 2264 7233Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, No. 2000, East of Xiang’an Rd, Xiamen, 361102 China
| | - Cong Liu
- grid.12955.3a0000 0001 2264 7233Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, No. 2000, East of Xiang’an Rd, Xiamen, 361102 China
| | - Ailing Huang
- grid.12955.3a0000 0001 2264 7233Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, No. 2000, East of Xiang’an Rd, Xiamen, 361102 China
| | - Qiao Zhang
- grid.12955.3a0000 0001 2264 7233Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, No. 2000, East of Xiang’an Rd, Xiamen, 361102 China
| | - Ying Xiong
- grid.12955.3a0000 0001 2264 7233Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, No. 2000, East of Xiang’an Rd, Xiamen, 361102 China
| | - Qiang Wang
- Department of Anesthesiology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West of Yanta Rd, Xi'an, 710061, China.
| | - Huanghui Wu
- Translational Research Institute of Brain and Brain-Like Intelligence, School of Medicine, Shanghai Fourth People's Hospital, Tongji University, Shanghai, 200434, China. .,Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, No.1279, Sanmen Rd, Shanghai, 200434, China.
| | - Lichao Hou
- Department of Anesthesiology, School of Medicine, Xiang'an Hospital of Xiamen University, Xiamen University, No. 2000, East of Xiang'an Rd, Xiamen, 361102, China.
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Targeting Non-Coding RNA for CNS Injuries: Regulation of Blood-Brain Barrier Functions. Neurochem Res 2023; 48:1997-2016. [PMID: 36786944 DOI: 10.1007/s11064-023-03892-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/05/2023] [Accepted: 02/07/2023] [Indexed: 02/15/2023]
Abstract
Central nervous system (CNS) injuries are the most common cause of death and disability around the world. The blood-brain barrier (BBB) is located at the interface between the CNS and the surrounding environment, which protects the CNS from exogenous molecules, harmful agents or microorganisms in the blood. The disruption of BBB is a common feature of CNS injuries and participates in the pathological processes of secondary brain damage. Recently, a growing number of studies have indicated that non-coding RNAs (ncRNAs) play an important role in brain development and are involved in CNS injuries. In this review, we summarize the mechanisms of BBB breakdown after CNS injuries. We also discuss the effects of ncRNAs including long noncoding RNAs (lncRNAs), circular RNAs (circRNAs) and microRNAs (miRNAs) on BBB damage in CNS injuries such as ischemic stroke, traumatic brain injury (TBI), intracerebral hemorrhage (ICH) and subarachnoid hemorrhage (SAH). In addition, we clarify the pharmacotherapies that could regulate BBB function via ncRNAs in CNS injuries, as well as the challenges and perspectives of ncRNAs on modulation of BBB function. Hence, on the basis of these effects, ncRNAs may be developed as therapeutic agents to protect the BBB for CNS injury patients.
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Chen J, Li M, Liu Z, Wang Y, Xiong K. Molecular mechanisms of neuronal death in brain injury after subarachnoid hemorrhage. Front Cell Neurosci 2022; 16:1025708. [PMID: 36582214 PMCID: PMC9793715 DOI: 10.3389/fncel.2022.1025708] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/08/2022] [Indexed: 12/15/2022] Open
Abstract
Subarachnoid haemorrhage (SAH) is a common cerebrovascular disease with high disability and mortality rates worldwide. The pathophysiological mechanisms involved in an aneurysm rupture in SAH are complex and can be divided into early brain injury and delayed brain injury. The initial mechanical insult results in brain tissue and vascular disruption with hemorrhages and neuronal necrosis. Following this, the secondary injury results in diffused cerebral damage in the peri-core area. However, the molecular mechanisms of neuronal death following an aneurysmal SAH are complex and currently unclear. Furthermore, multiple cell death pathways are stimulated during the pathogenesis of brain damage. Notably, particular attention should be devoted to necrosis, apoptosis, autophagy, necroptosis, pyroptosis and ferroptosis. Thus, this review discussed the mechanism of neuronal death and its influence on brain injury after SAH.
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Affiliation(s)
- Junhui Chen
- Department of Human Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, Hunan, China,Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China,Department of Neurosurgery, 904th Hospital of Joint Logistic Support Force of PLA, Wuxi Clinical College of Anhui Medical University, Wuxi, China
| | - Mingchang Li
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhuanghua Liu
- Department of Neurosurgery, 904th Hospital of Joint Logistic Support Force of PLA, Wuxi Clinical College of Anhui Medical University, Wuxi, China
| | - Yuhai Wang
- Department of Neurosurgery, 904th Hospital of Joint Logistic Support Force of PLA, Wuxi Clinical College of Anhui Medical University, Wuxi, China,*Correspondence: Yuhai Wang,
| | - Kun Xiong
- Department of Human Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, Hunan, China,Kun Xiong,
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50
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Zhen-Gang L, Fan Y, Jingwei S, Pengyu C, Shengman Y, Bo-Yin Z. Revisiting the immune landscape post spinal cord injury: More than black and white. Front Aging Neurosci 2022; 14:963539. [PMID: 36570540 PMCID: PMC9768195 DOI: 10.3389/fnagi.2022.963539] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 11/10/2022] [Indexed: 12/12/2022] Open
Abstract
Spinal cord injury (SCI) induced catastrophic neurological disability is currently incurable, especially in elderly patients. Due to the limited axon regeneration capacity and hostile microenvironment in the lesion site, essential neural network reconstruction remains challenging. Owing to the blood-spinal cord barrier (BSCB) created immune cells and cytokines isolation, the immune elements were incorrectly recognized as innocent bystanders during the SCI pathological process traditionally. Emerging evidence demonstrated that the central nervous system (CNS) is an "immunological quiescent" rather than "immune privileged" area, and the CNS-associated immune response played mixed roles which dedicate beneficial and detrimental contributions throughout the SCI process. Consequently, coordinating double-edged immunomodulation is vital to promote tissue repair and neurological recovery post-SCI. The comprehensive exploration and understanding of the immune landscape post-SCI are essential in establishing new avenues for further basic and clinical studies. In this context, this review summarizes the recent significant breakthroughs in key aspects of SCI-related immunomodulation, including innate and adaptive immune response, immune organ changes, and holistic immune status modification. Moreover, the currently existing immune-oriented therapies for SCI will be outlined.
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Affiliation(s)
- Liu Zhen-Gang
- Department of Orthopaedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yang Fan
- Department of Orthopaedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Shi Jingwei
- Department of Laboratory Medicine Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Chang Pengyu
- Radiotherapy Department, The First Bethune Hospital of Jilin University, Changchun, China
| | - Yu Shengman
- School of Laboratory Medicine, Beihua University, Jilin, China
| | - Zhang Bo-Yin
- Department of Orthopaedics, China-Japan Union Hospital of Jilin University, Changchun, China,*Correspondence: Zhang Bo-Yin
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