1
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Wu L, Chang E, Zhao H, Ma D. Regulated cell death in hypoxic-ischaemic encephalopathy: recent development and mechanistic overview. Cell Death Discov 2024; 10:277. [PMID: 38862503 PMCID: PMC11167026 DOI: 10.1038/s41420-024-02014-2] [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: 03/07/2024] [Revised: 05/05/2024] [Accepted: 05/07/2024] [Indexed: 06/13/2024] Open
Abstract
Hypoxic-ischaemic encephalopathy (HIE) in termed infants remains a significant cause of morbidity and mortality worldwide despite the introduction of therapeutic hypothermia. Depending on the cell type, cellular context, metabolic predisposition and insult severity, cell death in the injured immature brain can be highly heterogenous. A continuum of cell death exists in the H/I-injured immature brain. Aside from apoptosis, emerging evidence supports the pathological activation of necroptosis, pyroptosis and ferroptosis as alternative regulated cell death (RCD) in HIE to trigger neuroinflammation and metabolic disturbances in addition to cell loss. Upregulation of autophagy and mitophagy in HIE represents an intrinsic neuroprotective strategy. Molecular crosstalk between RCD pathways implies one RCD mechanism may compensate for the loss of function of another. Moreover, mitochondrion was identified as the signalling "hub" where different RCD pathways converge. The highly-orchestrated nature of RCD makes them promising therapeutic targets. Better understanding of RCD mechanisms and crosstalk between RCD subtypes likely shed light on novel therapy development for HIE. The identification of a potential RCD converging node may open up the opportunity for simultaneous and synergistic inhibition of cell death in the immature brain.
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Affiliation(s)
- Lingzhi Wu
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, UK
| | - Enqiang Chang
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, UK
| | - Hailin Zhao
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, UK
| | - Daqing Ma
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, UK.
- Perioperative and Systems Medicine Laboratory, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, China.
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2
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Lindman M, Estevez I, Marmut E, DaPrano EM, Chou TW, Newman K, Atkins C, O’Brown NM, Daniels BP. Astrocytic RIPK3 exerts protective anti-inflammatory activity during viral encephalitis via induction of serpin protease inhibitors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.21.595181. [PMID: 38826345 PMCID: PMC11142122 DOI: 10.1101/2024.05.21.595181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
Flaviviruses pose a significant threat to public health due to their ability to infect the central nervous system (CNS) and cause severe neurologic disease. Astrocytes play a crucial role in the pathogenesis of flavivirus encephalitis through their maintenance of blood-brain barrier (BBB) integrity and their modulation of immune cell recruitment and activation within the CNS. We have previously shown that receptor interacting protein kinase-3 (RIPK3) is a central coordinator of neuroinflammation during CNS viral infection, a function that occurs independently of its canonical function in inducing necroptotic cell death. To date, however, roles for necroptosis-independent RIPK3 signaling in astrocytes are poorly understood. Here, we use mouse genetic tools to induce astrocyte-specific deletion, overexpression, and chemogenetic activation of RIPK3 to demonstrate an unexpected anti-inflammatory function for astrocytic RIPK3. RIPK3 activation in astrocytes was required for host survival in multiple models of flavivirus encephalitis, where it restricted neuropathogenesis by limiting immune cell recruitment to the CNS. Transcriptomic analysis revealed that, despite inducing a traditional pro-inflammatory transcriptional program, astrocytic RIPK3 paradoxically promoted neuroprotection through the upregulation of serpins, endogenous protease inhibitors with broad immunomodulatory activity. Notably, intracerebroventricular administration of SerpinA3N in infected mice preserved BBB integrity, reduced leukocyte infiltration, and improved survival outcomes in mice lacking astrocytic RIPK3. These findings highlight a previously unappreciated role for astrocytic RIPK3 in suppressing pathologic neuroinflammation and suggests new therapeutic targets for the treatment of flavivirus encephalitis.
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Affiliation(s)
- Marissa Lindman
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Irving Estevez
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Eduard Marmut
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Evan M. DaPrano
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Tsui-Wen Chou
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Kimberly Newman
- Brain Health Institute, Rutgers University, Piscataway, NJ 08854, USA
| | - Colm Atkins
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Natasha M. O’Brown
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Brian P. Daniels
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
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3
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Chang NP, DaPrano EM, Lindman M, Estevez I, Chou TW, Evans WR, Nissenbaum M, McCourt M, Alzate D, Atkins C, Kusnecov AW, Huda R, Daniels BP. Neuronal DAMPs exacerbate neurodegeneration via astrocytic RIPK3 signaling. JCI Insight 2024; 9:e177002. [PMID: 38713518 DOI: 10.1172/jci.insight.177002] [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: 10/26/2023] [Accepted: 05/01/2024] [Indexed: 05/09/2024] Open
Abstract
Astrocyte activation is a common feature of neurodegenerative diseases. However, the ways in which dying neurons influence the activity of astrocytes is poorly understood. Receptor interacting protein kinase-3 (RIPK3) signaling has recently been described as a key regulator of neuroinflammation, but whether this kinase mediates astrocytic responsiveness to neuronal death has not yet been studied. Here, we used the 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine model of Parkinson's disease to show that activation of astrocytic RIPK3 drives dopaminergic cell death and axon damage. Transcriptomic profiling revealed that astrocytic RIPK3 promoted gene expression associated with neuroinflammation and movement disorders, and this coincided with significant engagement of damage-associated molecular pattern signaling. In mechanistic experiments, we showed that factors released from dying neurons signaled through receptor for advanced glycation endproducts to induce astrocytic RIPK3 signaling, which conferred inflammatory and neurotoxic functional activity. These findings highlight a mechanism of neuron-glia crosstalk in which neuronal death perpetuates further neurodegeneration by engaging inflammatory astrocyte activation via RIPK3.
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Affiliation(s)
| | | | | | | | | | - Wesley R Evans
- Department of Cell Biology and Neuroscience
- W. M. Keck Center for Collaborative Neuroscience, and
| | | | | | | | | | | | - Rafiq Huda
- Department of Cell Biology and Neuroscience
- W. M. Keck Center for Collaborative Neuroscience, and
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4
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Estevez I, Buckley BD, Panzera N, Lindman M, Chou TW, McCourt M, Vaglio BJ, Atkins C, Firestein BL, Daniels BP. RIPK3 promotes neuronal survival by suppressing excitatory neurotransmission during CNS viral infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.26.591333. [PMID: 38712188 PMCID: PMC11071512 DOI: 10.1101/2024.04.26.591333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
While recent work has identified roles for immune mediators in the regulation of neural activity, the capacity for cell intrinsic innate immune signaling within neurons to influence neurotransmission remains poorly understood. However, the existing evidence linking immune signaling with neuronal function suggests that modulation of neurotransmission may serve previously undefined roles in host protection during infection of the central nervous system. Here, we identify a specialized function for RIPK3, a kinase traditionally associated with necroptotic cell death, in preserving neuronal survival during neurotropic flavivirus infection through the suppression of excitatory neurotransmission. We show that RIPK3 coordinates transcriptomic changes in neurons that suppress neuronal glutamate signaling, thereby desensitizing neurons to excitotoxic cell death. These effects occur independently of the traditional functions of RIPK3 in promoting necroptosis and inflammatory transcription. Instead, RIPK3 promotes phosphorylation of the key neuronal regulatory kinase CaMKII, which in turn activates the transcription factor CREB to drive a neuroprotective transcriptional program and suppress deleterious glutamatergic signaling. These findings identify an unexpected function for a canonical cell death protein in promoting neuronal survival during viral infection through the modulation of neuronal activity, highlighting new mechanisms of neuroimmune crosstalk.
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Affiliation(s)
- Irving Estevez
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Benjamin D. Buckley
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Nicholas Panzera
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Marissa Lindman
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Tsui-Wen Chou
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Micheal McCourt
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Brandon J. Vaglio
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Colm Atkins
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Bonnie L. Firestein
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Brian P. Daniels
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- Lead Contact
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5
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Gao X, Su G, Chai M, Shen M, Hu Z, Chen W, Gao J, Li R, Ma T, An Y, Zhang Z. Research progress on mechanisms of ischemic stroke: Regulatory pathways involving Microglia. Neurochem Int 2024; 172:105656. [PMID: 38081419 DOI: 10.1016/j.neuint.2023.105656] [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: 09/18/2023] [Revised: 11/19/2023] [Accepted: 12/04/2023] [Indexed: 12/17/2023]
Abstract
Microglia, as the intrinsic immune cells in the brain, are activated following ischemic stroke. Activated microglia participate in the pathological processes after stroke through polarization, autophagy, phagocytosis, pyroptosis, ferroptosis, apoptosis, and necrosis, thereby influencing the injury and repair following stroke. It has been established that polarized M1 and M2 microglia exhibit pro-inflammatory and anti-inflammatory effects, respectively. Autophagy and phagocytosis in microglia following ischemia are dynamic processes, where moderate levels promote cell survival, while excessive responses may exacerbate neurofunctional deficits following stroke. Additionally, pyroptosis and ferroptosis in microglia after ischemic stroke contribute to the release of harmful cytokines, further aggravating the damage to brain tissue due to ischemia. This article discusses the different functional states of microglia in ischemic stroke research, highlighting current research trends and gaps, and provides insights and guidance for further study of ischemic stroke.
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Affiliation(s)
- Xin Gao
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China
| | - Gang Su
- Institute of Genetics, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, 730030, China
| | - Miao Chai
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China
| | - Minghui Shen
- Medical Laboratories, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China
| | - Zhenzhen Hu
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China
| | - Wei Chen
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China
| | - Juan Gao
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China
| | - Ruixin Li
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China
| | - Tianfei Ma
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China
| | - Yang An
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China
| | - Zhenchang Zhang
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, China.
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6
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Liaudanskaya V, Fiore NJ, Zhang Y, Milton Y, Kelly MF, Coe M, Barreiro A, Rose VK, Shapiro MR, Mullis AS, Shevzov-Zebrun A, Blurton-Jones M, Whalen MJ, Symes AJ, Georgakoudi I, Nieland TJF, Kaplan DL. Mitochondria dysregulation contributes to secondary neurodegeneration progression post-contusion injury in human 3D in vitro triculture brain tissue model. Cell Death Dis 2023; 14:496. [PMID: 37537168 PMCID: PMC10400598 DOI: 10.1038/s41419-023-05980-0] [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: 12/07/2022] [Revised: 06/13/2023] [Accepted: 07/11/2023] [Indexed: 08/05/2023]
Abstract
Traumatic Brain injury-induced disturbances in mitochondrial fission-and-fusion dynamics have been linked to the onset and propagation of neuroinflammation and neurodegeneration. However, cell-type-specific contributions and crosstalk between neurons, microglia, and astrocytes in mitochondria-driven neurodegeneration after brain injury remain undefined. We developed a human three-dimensional in vitro triculture tissue model of a contusion injury composed of neurons, microglia, and astrocytes and examined the contributions of mitochondrial dysregulation to neuroinflammation and progression of injury-induced neurodegeneration. Pharmacological studies presented here suggest that fragmented mitochondria released by microglia are a key contributor to secondary neuronal damage progression after contusion injury, a pathway that requires astrocyte-microglia crosstalk. Controlling mitochondrial dysfunction thus offers an exciting option for developing therapies for TBI patients.
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Affiliation(s)
- Volha Liaudanskaya
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Nicholas J Fiore
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Yang Zhang
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Yuka Milton
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Marilyn F Kelly
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Marly Coe
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Ariana Barreiro
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Victoria K Rose
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Matthew R Shapiro
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Adam S Mullis
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | | | - Mathew Blurton-Jones
- Department of Neurobiology and Behavior, University of California Irvine, Irvine, CA, USA
| | - Michael J Whalen
- Department of Pediatrics, Massachusetts General Hospital, Charlestown, MA, USA
| | - Aviva J Symes
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University, Bethesda, MD, USA
| | - Irene Georgakoudi
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Thomas J F Nieland
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA.
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7
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Chang NP, DaPrano EM, Evans WR, Nissenbaum M, McCourt M, Alzate D, Lindman M, Chou TW, Atkins C, Kusnecov AW, Huda R, Daniels BP. Neuronal DAMPs exacerbate neurodegeneration via astrocytic RIPK3 signaling. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.21.550097. [PMID: 37546744 PMCID: PMC10401942 DOI: 10.1101/2023.07.21.550097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Astrocyte activation is a common feature of neurodegenerative diseases. However, the ways in which dying neurons influence the activity of astrocytes is poorly understood. RIPK3 signaling has recently been described as a key regulator of neuroinflammation, but whether this kinase mediates astrocytic responsiveness to neuronal death has not yet been studied. Here, we used the MPTP model of Parkinson's disease to show that activation of astrocytic RIPK3 drives dopaminergic cell death and axon damage. Transcriptomic profiling revealed that astrocytic RIPK3 promoted gene expression associated with neuroinflammation and movement disorders, and this coincided with significant engagement of DAMP signaling. Using human cell culture systems, we show that factors released from dying neurons signal through RAGE to induce RIPK3-dependent astrocyte activation. These findings highlight a mechanism of neuron-glia crosstalk in which neuronal death perpetuates further neurodegeneration by engaging inflammatory astrocyte activation via RIPK3.
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Affiliation(s)
- Nydia P. Chang
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Evan M. DaPrano
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Wesley R. Evans
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- W. M. Keck Center for Collaborative Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | | | - Micheal McCourt
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Diego Alzate
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Marissa Lindman
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Tsui-Wen Chou
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Colm Atkins
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | | | - Rafiq Huda
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- W. M. Keck Center for Collaborative Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
| | - Brian P. Daniels
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
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8
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Abou-El-Hassan H, Rezende RM, Izzy S, Gabriely G, Yahya T, Tatematsu BK, Habashy KJ, Lopes JR, de Oliveira GLV, Maghzi AH, Yin Z, Cox LM, Krishnan R, Butovsky O, Weiner HL. Vγ1 and Vγ4 gamma-delta T cells play opposing roles in the immunopathology of traumatic brain injury in males. Nat Commun 2023; 14:4286. [PMID: 37463881 DOI: 10.1038/s41467-023-39857-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 06/30/2023] [Indexed: 07/20/2023] Open
Abstract
Traumatic brain injury (TBI) is a leading cause of morbidity and mortality. The innate and adaptive immune responses play an important role in the pathogenesis of TBI. Gamma-delta (γδ) T cells have been shown to affect brain immunopathology in multiple different conditions, however, their role in acute and chronic TBI is largely unknown. Here, we show that γδ T cells affect the pathophysiology of TBI as early as one day and up to one year following injury in a mouse model. TCRδ-/- mice are characterized by reduced inflammation in acute TBI and improved neurocognitive functions in chronic TBI. We find that the Vγ1 and Vγ4 γδ T cell subsets play opposing roles in TBI. Vγ4 γδ T cells infiltrate the brain and secrete IFN-γ and IL-17 that activate microglia and induce neuroinflammation. Vγ1 γδ T cells, however, secrete TGF-β that maintains microglial homeostasis and dampens TBI upon infiltrating the brain. These findings provide new insights on the role of different γδ T cell subsets after brain injury and lay down the principles for the development of targeted γδ T-cell-based therapy for TBI.
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Affiliation(s)
- Hadi Abou-El-Hassan
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Rafael M Rezende
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Saef Izzy
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Galina Gabriely
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Taha Yahya
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Bruna K Tatematsu
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Karl J Habashy
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Juliana R Lopes
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Gislane L V de Oliveira
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Amir-Hadi Maghzi
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Zhuoran Yin
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Laura M Cox
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Rajesh Krishnan
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Oleg Butovsky
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
- Evergrande Center for Immunologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Howard L Weiner
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA.
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9
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Gupta R, Kumari S, Tripathi R, Ambasta RK, Kumar P. Unwinding the modalities of necrosome activation and necroptosis machinery in neurological diseases. Ageing Res Rev 2023; 86:101855. [PMID: 36681250 DOI: 10.1016/j.arr.2023.101855] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 12/09/2022] [Accepted: 01/15/2023] [Indexed: 01/20/2023]
Abstract
Necroptosis, a regulated form of cell death, is involved in the genesis and development of various life-threatening diseases, including cancer, neurological disorders, cardiac myopathy, and diabetes. Necroptosis initiates with the formation and activation of a necrosome complex, which consists of RIPK1, RIPK2, RIPK3, and MLKL. Emerging studies has demonstrated the regulation of the necroptosis cell death pathway through the implication of numerous post-translational modifications, namely ubiquitination, acetylation, methylation, SUMOylation, hydroxylation, and others. In addition, the negative regulation of the necroptosis pathway has been shown to interfere with brain homeostasis through the regulation of axonal degeneration, mitochondrial dynamics, lysosomal defects, and inflammatory response. Necroptosis is controlled by the activity and expression of signaling molecules, namely VEGF/VEGFR, PI3K/Akt/GSK-3β, c-Jun N-terminal kinases (JNK), ERK/MAPK, and Wnt/β-catenin. Herein, we briefly discussed the implication and potential of necrosome activation in the pathogenesis and progression of neurological manifestations, such as Alzheimer's disease, Parkinson's disease, multiple sclerosis, traumatic brain injury, and others. Further, we present a detailed picture of natural compounds, micro-RNAs, and chemical compounds as therapeutic agents for treating neurological manifestations.
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Affiliation(s)
- Rohan Gupta
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University (Formerly Delhi College of Engineering), India
| | - Smita Kumari
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University (Formerly Delhi College of Engineering), India
| | - Rahul Tripathi
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University (Formerly Delhi College of Engineering), India
| | - Rashmi K Ambasta
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University (Formerly Delhi College of Engineering), India
| | - Pravir Kumar
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University (Formerly Delhi College of Engineering), India.
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10
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Gao Y, Wang T, Cheng Y, Wu Y, Zhu L, Gu Z, Wu Y, Cai L, Wu Y, Zhang Y, Gao C, Li L, Li J, Li Q, Wang Z, Wang Y, Wang F, Luo C, Tao L. Melatonin ameliorates neurological deficits through MT2/IL-33/ferritin H signaling-mediated inhibition of neuroinflammation and ferroptosis after traumatic brain injury. Free Radic Biol Med 2023; 199:97-112. [PMID: 36805045 DOI: 10.1016/j.freeradbiomed.2023.02.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 02/09/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023]
Abstract
Although traumatic brain injury (TBI) is a common cause of death and disability worldwide, there is currently a lack of effective therapeutic drugs and targets. To reveal the complex pathophysiologic mechanisms of TBI, we performed transcriptome analysis of the mouse cerebral cortex and immunohistochemical analysis of human cerebral tissues. The genes Mt1, Mt2, Il33, and Fth1 were upregulated post-TBI and enriched in pathways associated with the inflammatory response, oxidative phosphorylation, and ferroptosis. As an agonist of MT1/2, melatonin (MLT) confers anti-oxidant, anti-inflammatory, and anti-ferroptosis effects after TBI. However, whether these upregulated genes and their corresponding pathways are involved in the neuroprotective effect of MLT remains unclear. In this study, interventions to inhibit MT1/2, IL-33, and ferroptosis (i.e., ferritin H (Fth)-KO) were applied post-TBI. The results showed that MLT attenuated TBI-induced cerebral edema and neurological outcomes by inhibiting inflammation and ferroptosis. Mechanistically, MLT mainly suppressed inflammatory responses and ferroptosis via the activation of MT2 and IL-33 pathways. Building on the previous finding that Fth deletion increases susceptibility to ferroptosis post-TBI, we demonstrated that Fth depletion remarkably exacerbated the post-TBI inflammatory response, and abolished the anti-inflammatory effects of MLT both in vivo and in vitro. Furthermore, the post-TBI anti-inflammatory effect of MLT, which occurs by promoting the polarization of CD206+ macrophages, was dependent on Fth. Taken together, these results clarified that MLT alleviates inflammation- and ferroptosis-mediated brain edema and neurological deficits by activating the MT2/IL-33/Fth pathway, which provides a novel target and theoretical basis for MLT to treat TBI patients.
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Affiliation(s)
- Yuan Gao
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China; Department of Forensic Science, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Tao Wang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Ying Cheng
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Yumin Wu
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Luwen Zhu
- Department of Forensic Science, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Zhiya Gu
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Youzhuang Wu
- Department of Forensic Science, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Luwei Cai
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Yimin Wu
- Department of Forensic Science, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Yidan Zhang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Cheng Gao
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Lili Li
- Department of Child and Adolescent Healthcare, Children's Hospital of Soochow University, Suzhou, Jiangsu, 215021, China
| | - Jing Li
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Qianqian Li
- School of Forensic Medicine, Wannan Medical College, Wuhu, Anhui, 241002, China
| | - Zufeng Wang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Ying Wang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Fudi Wang
- The Second Affiliated Hospital, School of Public Health, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, 310058, China; The First Affiliated Hospital, Basic Medical Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, China.
| | - Chengliang Luo
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China.
| | - Luyang Tao
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China.
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Liu C, Sun X, Cai Y, Li D, Li B, Gao R, Zhang L, Chen G. Pramipexole alleviates traumatic brain injury in rats through inhibiting necroptosis. Neurosci Lett 2022; 791:136911. [DOI: 10.1016/j.neulet.2022.136911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 09/30/2022] [Accepted: 10/09/2022] [Indexed: 11/25/2022]
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Zhang D, Chang R, Ren Y, He Y, Guo S, Guan F, Yao M. Injectable and reactive oxygen species-scavenging gelatin hydrogel promotes neural repair in experimental traumatic brain injury. Int J Biol Macromol 2022; 219:844-863. [PMID: 35961554 DOI: 10.1016/j.ijbiomac.2022.08.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/27/2022] [Accepted: 08/06/2022] [Indexed: 12/26/2022]
Abstract
Oxidative stress caused by the overexpression of reactive oxygen species (ROS) plays an important role in the pathogenesis of traumatic brain injury (TBI). Accumulation of ROS can lead to cell death, neurodegeneration, and neurological deficit. Therefore, the design and application of functional materials with ROS scavenging ability is of great significance for neural repair. Herein, an injectable and antioxidant hydrogel was developed for TBI treatment based on the Schiff base reaction of gallic acid-conjugated gelatin (GGA) and oxidized dextran (Odex). The resulting GGA/Odex hydrogel could effectively scavenge DPPH and ABTS radicals, as well as protect cells from the oxidative damage in vitro. Moreover, GGA/Odex hydrogel possessed well biocompatible features. In a moderate TBI mouse model, in situ implantation of GGA6Odex hydrogel efficiently facilitated neurogenesis and promoted the motor, learning and memory abilities. Also, this composite hydrogel suppressed oxidative stress and inflammation via the activation of Nrf2/HO-1 pathway and the regulating of inflammatory factors secretion and macrophage/microglia polarization. Therefore, this injectable and ROS-scavenging GGA6Odex hydrogel is a promising biomaterial for tissue regenerative medicine, including TBI and other tissue repair relevant to raised ROS circumstance.
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Affiliation(s)
- Dan Zhang
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Rong Chang
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Yikun Ren
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Yuanmeng He
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Shen Guo
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Fangxia Guan
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China.
| | - Minghao Yao
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China.
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Nie Z, Tan L, Niu J, Wang B. The role of regulatory necrosis in traumatic brain injury. Front Mol Neurosci 2022; 15:1005422. [PMID: 36329694 PMCID: PMC9622788 DOI: 10.3389/fnmol.2022.1005422] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 09/27/2022] [Indexed: 11/18/2022] Open
Abstract
Traumatic brain injury (TBI) is a major cause of death and disability in the population worldwide, of which key injury mechanism involving the death of nerve cells. Many recent studies have shown that regulatory necrosis is involved in the pathological process of TBI which includes necroptosis, pyroptosis, ferroptosis, parthanatos, and Cyclophilin D (CypD) mediated necrosis. Therefore, targeting the signaling pathways involved in regulatory necrosis may be an effective strategy to reduce the secondary injury after TBI. Meanwhile, drugs or genes are used as interference factors in various types of regulatory necrosis, so as to explore the potential treatment methods for the secondary injury after TBI. This review summarizes the current progress on regulatory necrosis in TBI.
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Dai X, Ma R, Jiang W, Deng Z, Chen L, Liang Y, Shao L, Zhao W. Enterococcus faecalis-Induced Macrophage Necroptosis Promotes Refractory Apical Periodontitis. Microbiol Spectr 2022; 10:e0104522. [PMID: 35708336 PMCID: PMC9431707 DOI: 10.1128/spectrum.01045-22] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/01/2022] [Indexed: 12/01/2022] Open
Abstract
The persistence of residual bacteria, particularly Enterococcus faecalis, contributes to refractory periapical periodontitis, which still lacks effective therapy. The role of receptor-interacting protein kinase 3 (RIPK3)- and mixed lineage kinase domain-like protein (MLKL)-mediated necroptosis, a highly proinflammatory form of regulated cell death, has recently drawn much attention. However, the role of necroptosis in the pathogenesis of refractory periapical periodontitis remains unclear. We investigated whether the RIPK3/MLKL signaling pathway was activated in periapical lesion specimens obtained from patients diagnosed with refractory periapical periodontitis. RIPK3-deficient mice were then used to determine the role of necroptosis under this condition in vivo. We found that the phosphorylation levels of RIPK3 and MLKL were elevated in periapical lesion specimens of patients with refractory periapical periodontitis. In addition, necroptosis was induced in an E. faecalis-infected refractory periapical periodontitis mouse model, in which inhibition of necroptosis by RIPK3 deficiency could markedly alleviate inflammation and bone destruction. Moreover, double-labeling immunofluorescence suggested that macrophage necroptosis may be involved in the development of refractory periapical periodontitis. Then, we established an in vitro macrophage infection model with E. faecalis. E. faecalis infection was found to induce necroptotic cell death in macrophages through the RIPK3/MLKL signaling pathway, which was markedly alleviated by the RIPK3- or MLKL-specific inhibitor. Our study revealed that RIPK3/MLKL-mediated macrophage necroptosis contributes to the development of refractory periapical periodontitis and suggests that inhibitors or treatments targeting necroptosis represent a plausible strategy for the management of refractory periapical periodontitis. IMPORTANCE Oral infectious diseases represent a major neglected global population health challenge, imposing an increasing burden on public health and economy. Refractory apical periodontitis (RAP), mainly caused by Enterococcus faecalis, is a representative oral infectious disease with considerable therapeutic challenges. The interplay between E. faecalis and the host often leads to the activation of programmed cell death. This study identifies an important role of macrophage necroptosis induced by E. faecalis in the pathogenesis of RAP. Manipulating RIPK3/MLKL-mediated necroptosis may represent novel therapeutic targets, not only for RAP but also for other E. faecalis-associated infectious diseases.
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Affiliation(s)
- Xingzhu Dai
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Rongyang Ma
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Weiyi Jiang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zilong Deng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Lijuan Chen
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yuee Liang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Longquan Shao
- Stomatology Hospital, Southern Medical University, Guangzhou, China
| | - Wanghong Zhao
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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