1
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Dong J, Liu W, Liu W, Wen Y, Liu Q, Wang H, Xiang G, Liu Y, Hao H. Acute lung injury: a view from the perspective of necroptosis. Inflamm Res 2024; 73:997-1018. [PMID: 38615296 DOI: 10.1007/s00011-024-01879-4] [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: 02/04/2024] [Revised: 03/23/2024] [Accepted: 03/31/2024] [Indexed: 04/15/2024] Open
Abstract
BACKGROUND ALI/ARDS is a syndrome of acute onset characterized by progressive hypoxemia and noncardiogenic pulmonary edema as the primary clinical manifestations. Necroptosis is a form of programmed cell necrosis that is precisely regulated by molecular signals. This process is characterized by organelle swelling and membrane rupture, is highly immunogenic, involves extensive crosstalk with various cellular stress mechanisms, and is significantly implicated in the onset and progression of ALI/ARDS. METHODS The current body of literature on necroptosis and ALI/ARDS was thoroughly reviewed. Initially, an overview of the molecular mechanism of necroptosis was provided, followed by an examination of its interactions with apoptosis, pyroptosis, autophagy, ferroptosis, PANOptosis, and NETosis. Subsequently, the involvement of necroptosis in various stages of ALI/ARDS progression was delineated. Lastly, drugs targeting necroptosis, biomarkers, and current obstacles were presented. CONCLUSION Necroptosis plays an important role in the progression of ALI/ARDS. However, since ALI/ARDS is a clinical syndrome caused by a variety of mechanisms, we emphasize that while focusing on necroptosis, it may be more beneficial to treat ALI/ARDS by collaborating with other mechanisms.
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Affiliation(s)
- Jinyan Dong
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Weihong Liu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Wenli Liu
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Yuqi Wen
- Second Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Qingkuo Liu
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Hongtao Wang
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Guohan Xiang
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Yang Liu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China.
| | - Hao Hao
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China.
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2
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Chiou S, Al-Ani AH, Pan Y, Patel KM, Kong IY, Whitehead LW, Light A, Young SN, Barrios M, Sargeant C, Rajasekhar P, Zhu L, Hempel A, Lin A, Rickard JA, Hall C, Gangatirkar P, Yip RK, Cawthorne W, Jacobsen AV, Horne CR, Martin KR, Ioannidis LJ, Hansen DS, Day J, Wicks IP, Law C, Ritchie ME, Bowden R, Hildebrand JM, O'Reilly LA, Silke J, Giulino-Roth L, Tsui E, Rogers KL, Hawkins ED, Christensen B, Murphy JM, Samson AL. An immunohistochemical atlas of necroptotic pathway expression. EMBO Mol Med 2024:10.1038/s44321-024-00074-6. [PMID: 38750308 DOI: 10.1038/s44321-024-00074-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 04/19/2024] [Accepted: 04/22/2024] [Indexed: 06/12/2024] Open
Abstract
Necroptosis is a lytic form of regulated cell death reported to contribute to inflammatory diseases of the gut, skin and lung, as well as ischemic-reperfusion injuries of the kidney, heart and brain. However, precise identification of the cells and tissues that undergo necroptotic cell death in vivo has proven challenging in the absence of robust protocols for immunohistochemical detection. Here, we provide automated immunohistochemistry protocols to detect core necroptosis regulators - Caspase-8, RIPK1, RIPK3 and MLKL - in formalin-fixed mouse and human tissues. We observed surprising heterogeneity in protein expression within tissues, whereby short-lived immune barrier cells were replete with necroptotic effectors, whereas long-lived cells lacked RIPK3 or MLKL expression. Local changes in the expression of necroptotic effectors occurred in response to insults such as inflammation, dysbiosis or immune challenge, consistent with necroptosis being dysregulated in disease contexts. These methods will facilitate the precise localisation and evaluation of necroptotic signaling in vivo.
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Affiliation(s)
- Shene Chiou
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Aysha H Al-Ani
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
- Royal Melbourne Hospital, Parkville, Australia
| | - Yi Pan
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
| | - Komal M Patel
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
| | - Isabella Y Kong
- Pediatric Hematology/Oncology, Weill Cornell Medical College, New York, USA
| | - Lachlan W Whitehead
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Amanda Light
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
| | - Samuel N Young
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
| | - Marilou Barrios
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Callum Sargeant
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Pradeep Rajasekhar
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Leah Zhu
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
| | - Anne Hempel
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
| | - Ann Lin
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
| | - James A Rickard
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- Austin Hospital, Heidelberg, Australia
| | - Cathrine Hall
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
| | | | - Raymond Kh Yip
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Wayne Cawthorne
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Annette V Jacobsen
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Christopher R Horne
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Katherine R Martin
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Lisa J Ioannidis
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Diana S Hansen
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
- Monash Biomedicine Discovery Institute, Department of Microbiology, Monash University, Clayton, Australia
| | - Jessica Day
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
- Royal Melbourne Hospital, Parkville, Australia
| | - Ian P Wicks
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Charity Law
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Matthew E Ritchie
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Rory Bowden
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Joanne M Hildebrand
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Lorraine A O'Reilly
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - John Silke
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Lisa Giulino-Roth
- Pediatric Hematology/Oncology, Weill Cornell Medical College, New York, USA
| | - Ellen Tsui
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
| | - Kelly L Rogers
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Edwin D Hawkins
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
| | - Britt Christensen
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- University of Melbourne, Parkville, Australia
- Royal Melbourne Hospital, Parkville, Australia
| | - James M Murphy
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia.
- University of Melbourne, Parkville, Australia.
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Australia.
| | - André L Samson
- Walter and Eliza Hall Institute of Medical Research, Parkville, Australia.
- University of Melbourne, Parkville, Australia.
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Abstract
Regulated cell death mediated by dedicated molecular machines, known as programmed cell death, plays important roles in health and disease. Apoptosis, necroptosis and pyroptosis are three such programmed cell death modalities. The caspase family of cysteine proteases serve as key regulators of programmed cell death. During apoptosis, a cascade of caspase activation mediates signal transduction and cellular destruction, whereas pyroptosis occurs when activated caspases cleave gasdermins, which can then form pores in the plasma membrane. Necroptosis, a form of caspase-independent programmed necrosis mediated by RIPK3 and MLKL, is inhibited by caspase-8-mediated cleavage of RIPK1. Disruption of cellular homeostatic mechanisms that are essential for cell survival, such as normal ionic and redox balance and lysosomal flux, can also induce cell death without invoking programmed cell death mechanisms. Excitotoxicity, ferroptosis and lysosomal cell death are examples of such cell death modes. In this Review, we provide an overview of the major cell death mechanisms, highlighting the latest insights into their complex regulation and execution, and their relevance to human diseases.
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Affiliation(s)
- Junying Yuan
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Shanghai, China.
- Shanghai Key Laboratory of Aging Studies, Shanghai, China.
| | - Dimitry Ofengeim
- Sanofi, Rare and Neurological Diseases Research, Cambridge, MA, USA.
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Clot PF, Farenc C, Suratt BT, Krahnke T, Tardat A, Florian P, Pomponio R, Patel N, Wiekowski M, Lin Y, Terrier B, Staudinger H. Immunomodulatory and clinical effects of receptor-interacting protein kinase 1 (RIPK1) inhibitor eclitasertib (SAR443122) in patients with severe COVID-19: a phase 1b, randomized, double-blinded, placebo-controlled study. Respir Res 2024; 25:107. [PMID: 38419035 PMCID: PMC10903152 DOI: 10.1186/s12931-024-02670-z] [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: 04/13/2023] [Accepted: 01/02/2024] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND Targeting receptor-interacting serine/threonine protein kinase 1 could mitigate the devastating sequelae of the hyperinflammatory state observed in severe cases of COVID-19. This study explored the immunomodulatory and clinical effects of the receptor-interacting serine/threonine protein kinase 1 inhibitor SAR443122 (eclitasertib) in patients with severe COVID-19. METHODS In this Phase 1b, double-blinded, placebo-controlled study (NCT04469621) a total of 82 patients were screened, of whom 68 patients were eligible and randomized (2:1) to receive eclitasertib 600 mg (300 mg twice daily) or placebo up to 14 days. Primary outcome was relative change in C-reactive protein from baseline to Day 7. Time to clinical improvement using 7-point ordinal scale, ventilator/respiratory failure-free days, change in SpO2/FiO2 ratio, and biomarkers of severe COVID-19 were explored. RESULTS Geometric mean ratio (point estimate [90% confidence interval]) of the relative change from baseline in C-reactive protein with eclitasertib vs. placebo on Day 7 was 0.85 (0.49-1.45; p = 0.30). Median time to 50% decrease in C-reactive protein from baseline was 3 days vs. 5 days (p = 0.056) with eclitasertib vs. placebo. Median time to ≥ 2-point improvement on 7-point clinical symptoms scale was 8 days vs. 10 days with eclitasertib vs. placebo (p = 0.38). Mean ventilator/respiratory failure-free days, change in baseline-adjusted SpO2/FiO2 ratio, and clinical biomarkers showed consistent numerical improvements with eclitasertib vs. placebo. The most frequently reported treatment-emergent adverse events were gastrointestinal disorders and condition aggravated/worsened COVID-19 pneumonia. CONCLUSIONS Eclitasertib was well tolerated with consistent trends toward more rapid resolution of inflammatory biomarkers and clinical improvement in severe COVID-19 patients than placebo. CLINICALTRIALS GOV IDENTIFIER NCT04469621, first posted on clinicaltrials.gov on July 14, 2020.
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Affiliation(s)
- Pierre-Francois Clot
- Translational Medicine and Early Development (TMED)/Clinical Pharmacology (TMCP) and Neuro and Neuro-Immunology, 371 Rue du Professeur Blayac, Sanofi, Montpellier, 34080, France.
| | - Christine Farenc
- TMED Pharmacokinetics Dynamics and Metabolism, Sanofi, Montpellier, France
| | - Benjamin T Suratt
- Early Clinical Development Immunology and Inflammation, Sanofi, Cambridge, MA, United States of America
| | | | - Agnes Tardat
- Early Development Operations, Sanofi, Montpellier, France
| | - Peter Florian
- Type 1/17 Immunology and Arthritis, Sanofi Deutschland GmbH, Frankfurt, Germany
- Head of Fibrotic Disease Research, Boehringer Ingelheim Vetmedica GmbH, Global AH Research, Ingelheim, Germany
| | - Robert Pomponio
- TMED Biomarkers and Clinical Bioanalysis, Sanofi, Framingham, MA, United States of America
| | - Naimish Patel
- Global Development in Immunology and Inflammation, Sanofi, Cambridge, MA, United States of America
| | - Maria Wiekowski
- Immunology and Inflammation Development Franchise, Sanofi, Bridgewater, NJ, United States of America
| | - Yong Lin
- , Sanofi, Bridgewater, NJ, United States of America
| | | | - Heribert Staudinger
- Immunology and Inflammation Development Franchise, Sanofi, Bridgewater, NJ, United States of America
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5
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Price DR, Garcia JGN. A Razor's Edge: Vascular Responses to Acute Inflammatory Lung Injury/Acute Respiratory Distress Syndrome. Annu Rev Physiol 2024; 86:505-529. [PMID: 38345908 DOI: 10.1146/annurev-physiol-042222-030731] [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] [Indexed: 02/15/2024]
Abstract
Historically considered a metabolically inert cellular layer separating the blood from the underlying tissue, the endothelium is now recognized as a highly dynamic, metabolically active tissue that is critical to organ homeostasis. Under homeostatic conditions, lung endothelial cells (ECs) in healthy subjects are quiescent, promoting vasodilation, platelet disaggregation, and anti-inflammatory mechanisms. In contrast, lung ECs are essential contributors to the pathobiology of acute respiratory distress syndrome (ARDS), as the quiescent endothelium is rapidly and radically altered upon exposure to environmental stressors, infectious pathogens, or endogenous danger signals into an effective and formidable regulator of innate and adaptive immunity. These dramatic perturbations, produced in a tsunami of inflammatory cascade activation, result in paracellular gap formation between lung ECs, sustained lung edema, and multi-organ dysfunction that drives ARDS mortality. The astonishing plasticity of the lung endothelium in negotiating this inflammatory environment and efforts to therapeutically target the aberrant ARDS endothelium are examined in further detail in this review.
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Affiliation(s)
- David R Price
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY, USA
| | - Joe G N Garcia
- Center for Inflammation Sciences and Systems Medicine, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, Jupiter, Florida, USA;
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6
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Zhang C, Chen Y, Li Y, Shi N, Teng Y, Li N, Tang M, Ma Z, Deng D, Chen L. Discovery of 4-amino-1,6-dihydro-7H-pyrrolo[2,3-d]pyridazin-7-one derivatives as potential receptor-interacting serine/threonine-protein kinase 1 (RIPK1) inhibitors. Eur J Med Chem 2024; 265:116076. [PMID: 38171150 DOI: 10.1016/j.ejmech.2023.116076] [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: 10/31/2023] [Revised: 12/12/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024]
Abstract
Receptor-interacting serine/threonine-protein kinase 1 (RIPK1) is an important regulatory factor in the necroptosis signaling pathway, and is considered an attractive therapeutic target for treating multiple inflammatory diseases. Herein, we describe the design, synthesis, and structure-activity relationships of 4-amino-1,6-dihydro-7H-pyrrolo [2,3-d]pyridazin-7-one derivatives as RIPK1 inhibitors. Among them, 13c showed favorable RIPK1 kinase inhibition activity with an IC50 value of 59.8 nM, and high RIPK1 binding affinity compared with other regulatory kinases of necroptosis (RIPK1 Kd = 3.5 nM, RIPK3 Kd = 1700 nM, and MLKL Kd > 30,000 nM). 13c efficiently blocked TNFα-induced necroptosis in both human and murine cells (EC50 = 1.06-4.58 nM), and inhibited TSZ-induced phosphorylation of the RIPK1/RIPK3/MLKL pathway. In liver microsomal assay studies, the clearance rate and half-life of 13c were 18.40 mL/min/g and 75.33 min, respectively. 13c displayed acceptable pharmacokinetic characteristics, with oral bioavailability of 59.55%. In TNFα-induced systemic inflammatory response syndrome, pretreatment with 13c could effectively protect mice from loss of body temperature and death. Overall, these compounds are promising candidates for future optimization studies.
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Affiliation(s)
- Chufeng Zhang
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Yulian Chen
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Yong Li
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China; Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Na Shi
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Yaxin Teng
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Na Li
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Minghai Tang
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Ziyan Ma
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Dexin Deng
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Lijuan Chen
- State Key Laboratory of Biotherapy and Cancer Center and Collaborative Innovation Center of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041, China; Chengdu Zenitar Biomedical Technology Co., Ltd, Chengdu, 610041, China.
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7
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Briassoulis G, Briassoulis P, Ilia S, Miliaraki M, Briassouli E. The Anti-Oxidative, Anti-Inflammatory, Anti-Apoptotic, and Anti-Necroptotic Role of Zinc in COVID-19 and Sepsis. Antioxidants (Basel) 2023; 12:1942. [PMID: 38001795 PMCID: PMC10669546 DOI: 10.3390/antiox12111942] [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: 09/23/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 11/26/2023] Open
Abstract
Zinc is a structural component of proteins, functions as a catalytic co-factor in DNA synthesis and transcription of hundreds of enzymes, and has a regulatory role in protein-DNA interactions of zinc-finger proteins. For many years, zinc has been acknowledged for its anti-oxidative and anti-inflammatory functions. Furthermore, zinc is a potent inhibitor of caspases-3, -7, and -8, modulating the caspase-controlled apoptosis and necroptosis. In recent years, the immunomodulatory role of zinc in sepsis and COVID-19 has been investigated. Both sepsis and COVID-19 are related to various regulated cell death (RCD) pathways, including apoptosis and necroptosis. Lack of zinc may have a negative effect on many immune functions, such as oxidative burst, cytokine production, chemotaxis, degranulation, phagocytosis, and RCD. While plasma zinc concentrations decline swiftly during both sepsis and COVID-19, this reduction is primarily attributed to a redistribution process associated with the inflammatory response. In this response, hepatic metallothionein production increases in reaction to cytokine release, which is linked to inflammation, and this protein effectively captures and stores zinc in the liver. Multiple regulatory mechanisms come into play, influencing the uptake of zinc, the binding of zinc to blood albumin and red blood cells, as well as the buffering and modulation of cytosolic zinc levels. Decreased zinc levels are associated with increasing severity of organ dysfunction, prolonged hospital stay and increased mortality in septic and COVID-19 patients. Results of recent studies focusing on these topics are summarized and discussed in this narrative review. Existing evidence currently does not support pharmacological zinc supplementation in patients with sepsis or COVID-19. Complementation and repletion should follow current guidelines for micronutrients in critically ill patients. Further research investigating the pharmacological mechanism of zinc in programmed cell death caused by invasive infections and its therapeutic potential in sepsis and COVID-19 could be worthwhile.
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Affiliation(s)
- George Briassoulis
- Postgraduate Program “Emergency and Intensive Care in Children, Adolescents, and Young Adults”, School of Medicine, University of Crete, 71003 Heraklion, Greece;
| | - Panagiotis Briassoulis
- Second Department of Anesthesiology, Attikon University Hospital, School of Medicine, National and Kapodistrian University of Athens, 12462 Athens, Greece;
| | - Stavroula Ilia
- Postgraduate Program “Emergency and Intensive Care in Children, Adolescents, and Young Adults”, School of Medicine, University of Crete, 71003 Heraklion, Greece;
- Paediatric Intensive Care Unit, University Hospital, School of Medicine, University of Crete, 71110 Heraklion, Greece;
| | - Marianna Miliaraki
- Paediatric Intensive Care Unit, University Hospital, School of Medicine, University of Crete, 71110 Heraklion, Greece;
| | - Efrossini Briassouli
- Infectious Diseases Department “MAKKA”, First Department of Paediatrics, “Aghia Sophia” Children’s Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece;
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8
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Li M, Wei J, Zhu G, Fu S, He X, Hu X, Yu Y, Mou Y, Wang J, You X, Xiao X, Gu T, Ye Z, Zha Y. Quizartinib inhibits necroptosis by targeting receptor-interacting serine/threonine protein kinase 1. FASEB J 2023; 37:e23178. [PMID: 37698367 DOI: 10.1096/fj.202300600rr] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 08/14/2023] [Accepted: 08/23/2023] [Indexed: 09/13/2023]
Abstract
Systemic inflammatory response syndrome (SIRS), at least in part driven by necroptosis, is characterized by life-threatening multiple organ failure. Blocking the progression of SIRS and consequent multiple organ dysfunction is challenging. Receptor-interacting serine/threonine protein kinase 1 (RIPK1) is an important cell death and inflammatory mediator, making it a potential treatment target in several diseases. Here, using a drug repurposing approach, we show that inhibiting RIPK1 is also an effective treatment for SIRS. We performed cell-based high-throughput drug screening of an US Food and Drug Administration (FDA)-approved drug library that contains 1953 drugs to identify effective inhibitors of necroptotic cell death by SYTOX green staining. Dose-response validation of the top candidate, quizartinib, was conducted in two cell lines of HT-22 and MEFs. The effect of quizartinib on necroptosis-related proteins was evaluated using western blotting, immunoprecipitation, and an in vitro RIPK1 kinase assay. The in vivo effects of quizartinib were assessed in a murine tumor necrosis factor α (TNFα)-induced SIRS model. High-throughput screening identified quizartinib as the top "hit" in the compound library that rescued cells from necroptosis in vitro. Quizartinib inhibited necroptosis by directly inhibiting RIPK1 kinase activity and blocking downstream complex IIb formation. Furthermore, quizartinib protected mice against TNFα-induced SIRS. Quizartinib, as an FDA-approved drug with proven safety and efficacy, was repurposed for targeted inhibition of RIPK1. This work provides essential preclinical data for transferring quizartinib to the treatment of RIPK1-dependent necroptosis-induced inflammatory diseases, including SIRS.
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Affiliation(s)
- Min Li
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Jun Wei
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Guofeng Zhu
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Shufang Fu
- Yichang Central People's Hospital, Yichang, China
- Department of Paediatrics, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
| | - Xiaoyan He
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Xinqian Hu
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Yajie Yu
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Yan Mou
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Jia Wang
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Xiaoling You
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Xin Xiao
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Tanrong Gu
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Zhi Ye
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
| | - Yunhong Zha
- Institute of Neural Regeneration and Repair, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Department of Neurology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
- Yichang Central People's Hospital, Yichang, China
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9
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Deng J, Song Z, Li X, Shi H, Huang S, Tang L. Role of lncRNAs in acute pancreatitis: pathogenesis, diagnosis, and therapy. Front Genet 2023; 14:1257552. [PMID: 37842644 PMCID: PMC10569178 DOI: 10.3389/fgene.2023.1257552] [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: 07/13/2023] [Accepted: 09/18/2023] [Indexed: 10/17/2023] Open
Abstract
Acute pancreatitis (AP) is one of the most common acute abdominal diseases characterized by an injury and inflammatory disorder of the pancreas with complicated pathological mechanisms. Long non-coding RNAs (lncRNAs) have been shown to play an important role in various physiological and pathological processes in humans, and they have emerged as potential biomarkers of diagnosis and therapeutic targets in various diseases. Recently, accumulating evidence has shown significant alterations in the expression of lncRNAs, which are involved in the pathogenesis of AP, such as premature trypsinogen activation, impaired autophagy, inflammatory response, and acinar cell death. Moreover, lncRNAs can be the direct target of AP treatment and show potential as biomarkers for the diagnosis. Thus, in this review, we focus on the role of lncRNAs in the pathogenesis, diagnosis, and therapy of AP and emphasize the future directions to study lncRNAs in AP, providing new insight into understanding the cellular and molecular mechanisms of AP and seeking novel biomarkers for the diagnosis and therapeutic targets to improve clinical management in the future.
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Affiliation(s)
- Jie Deng
- Department of Clinical Pharmacy, The General Hospital of Western Theater Command, Chengdu, China
| | - Ziying Song
- Department of Emergency Medicine, The General Hospital of Western Theater Command, Chengdu, China
| | - Xiaolan Li
- Department of Pain Medicine, The General Hospital of Western Theater Command, Chengdu, China
| | - Huiqing Shi
- Department of Clinical Pharmacy, The General Hospital of Western Theater Command, Chengdu, China
| | - Shangqing Huang
- Department of General Surgery, Pancreatic Injury and Repair Key Laboratory of Sichuan Province, The General Hospital of Western Theater Command, Chengdu, China
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Lijun Tang
- Department of General Surgery, Pancreatic Injury and Repair Key Laboratory of Sichuan Province, The General Hospital of Western Theater Command, Chengdu, China
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
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10
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Hadian K, Stockwell BR. The therapeutic potential of targeting regulated non-apoptotic cell death. Nat Rev Drug Discov 2023; 22:723-742. [PMID: 37550363 DOI: 10.1038/s41573-023-00749-8] [Citation(s) in RCA: 46] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/16/2023] [Indexed: 08/09/2023]
Abstract
Cell death is critical for the development and homeostasis of almost all multicellular organisms. Moreover, its dysregulation leads to diverse disease states. Historically, apoptosis was thought to be the major regulated cell death pathway, whereas necrosis was considered to be an unregulated form of cell death. However, research in recent decades has uncovered several forms of regulated necrosis that are implicated in degenerative diseases, inflammatory conditions and cancer. The growing insight into these regulated, non-apoptotic cell death pathways has opened new avenues for therapeutic targeting. Here, we describe the regulatory pathways of necroptosis, pyroptosis, parthanatos, ferroptosis, cuproptosis, lysozincrosis and disulfidptosis. We discuss small-molecule inhibitors of the pathways and prospects for future drug discovery. Together, the complex mechanisms governing these pathways offer strategies to develop therapeutics that control non-apoptotic cell death.
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Affiliation(s)
- Kamyar Hadian
- Research Unit Signaling and Translation, Helmholtz Zentrum München, Neuherberg, Germany.
| | - Brent R Stockwell
- Department of Biological Sciences and Department of Chemistry, Columbia University, New York, NY, USA.
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11
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Liu X, Tang AL, Chen J, Gao N, Zhang G, Xiao C. RIPK1 in the inflammatory response and sepsis: Recent advances, drug discovery and beyond. Front Immunol 2023; 14:1114103. [PMID: 37090690 PMCID: PMC10113447 DOI: 10.3389/fimmu.2023.1114103] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 03/24/2023] [Indexed: 04/25/2023] Open
Abstract
Cytokine storms are an important mechanism of sepsis. TNF-α is an important cytokine. As a regulator of TNF superfamily receptors, RIPK1 not only serves as the basis of the scaffold structure in complex I to promote the activation of the NF-κB and MAPK pathways but also represents an important protein in complex II to promote programmed cell death. Ubiquitination of RIPK1 is an important regulatory function that determines the activation of cellular inflammatory pathways or the activation of death pathways. In this paper, we introduce the regulation of RIPK1, RIPK1 PANoptosome's role in Inflammatory and sepsis, and perspectives.
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Affiliation(s)
- Xiaoyu Liu
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - A-Ling Tang
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Jie Chen
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Nan Gao
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Guoqiang Zhang
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China
| | - Cheng Xiao
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China
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12
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Quan D, Hou R, Shao H, Zhang X, Yu J, Zhang W, Yuan H, Zhuang C. Structure-Based Design of Novel Alkynyl Thio-Benzoxazepinone Receptor-Interacting Protein Kinase-1 Inhibitors: Extending the Chemical Space from the Allosteric to ATP Binding Pockets. J Med Chem 2023; 66:3073-3087. [PMID: 36724216 DOI: 10.1021/acs.jmedchem.2c02067] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Systemic inflammatory response syndrome (SIRS), characterized by severe systemic inflammation, represents a major cause of health loss, potentially leading to multiple organ failure, shock, and death. Exploring potent RIPK1 inhibitors is an effective therapeutic strategy for SIRS. Recently, we described thio-benzoxazepinones as novel RIPK1 inhibitors and confirmed their anti-inflammatory activity. Herein, we further synthesized novel thio-benzoxazepinones by introducing substitutions on the benzene ring by an alkynyl bridge in order to extend the chemical space from the RIPK1 allosteric to ATP binding pockets. The in vitro cell and kinase assays found that compounds 2 and 29 showed highly potent activity against necroptosis (EC50 = 3.7 and 3.2 nM) and high RIPK1 inhibitory activity (Kd = 9.7 and 70 nM). Prominently, these two analogues possessed better in vivo anti-inflammatory effects than the clinical candidate GSK'772 and effectively blocked hypothermia and deaths in a TNFα-induced SIRS model.
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Affiliation(s)
- Danni Quan
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Ruilin Hou
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Hongming Shao
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Xinqi Zhang
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Jianqiang Yu
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Wannian Zhang
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China.,School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Hongbin Yuan
- Department of Anesthesiology, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China
| | - Chunlin Zhuang
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China.,School of Pharmacy, Second Military Medical University, Shanghai 200433, China
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13
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Repositioning linifanib as a potent anti-necroptosis agent for sepsis. Cell Death Discov 2023; 9:57. [PMID: 36765040 PMCID: PMC9913023 DOI: 10.1038/s41420-023-01351-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/26/2023] [Accepted: 01/30/2023] [Indexed: 02/12/2023] Open
Abstract
Sepsis is a systemic inflammatory syndrome (SIRS) caused by acute microbial infection, and it has an extremely high mortality rate. Tumor necrosis factor-α (TNF-α)-induced necroptosis contributes to the pathophysiology of sepsis, so inhibiting necroptosis might be expected to improve clinical outcomes in septic patients. Here we predicted candidate drugs for treating sepsis in silico by combining genes differentially expressed in septic patients and controls combined with interrogation of the Library of Integrated Network-based Cellular Signatures (LINCS) L1000 perturbation database. Sixteen candidate drugs were screened out through bioinformatics analysis, and the top candidate linifanib was validated in cellular and mouse models of TNF-α-induced necroptosis. Cell viability was measured using a luminescent ATP assay, while the effects of linifanib on necroptosis were investigated by western blotting, immunoprecipitation, and RIPK1 kinase assays. Linifanib effectively protected cells from necroptosis and rescued SIRS mice from TNF-α-induced shock and death. In vitro, linifanib directly suppressed RIPK1 kinase activity. In vivo, linifanib effectively reduced overexpressed IL-6, a marker of sepsis severity, in the lungs of SIRS mice. Our preclinical evidence using an integrated in silico and experimental drug repositioning approach supports the potential clinical utility of linifanib in septic patients. Further clinical validation is now warranted.
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14
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Abstract
Cell death, particularly that of tubule epithelial cells, contributes critically to the pathophysiology of kidney disease. A body of evidence accumulated over the past 15 years has ascribed a central pathophysiological role to a particular form of regulated necrosis, termed necroptosis, to acute tubular necrosis, nephron loss and maladaptive renal fibrogenesis. Unlike apoptosis, which is a non-immunogenic process, necroptosis results in the release of cellular contents and cytokines, which triggers an inflammatory response in neighbouring tissue. This necroinflammatory environment can lead to severe organ dysfunction and cause lasting tissue injury in the kidney. Despite evidence of a link between necroptosis and various kidney diseases, there are no available therapeutic options to target this process. Greater understanding of the molecular mechanisms, triggers and regulators of necroptosis in acute and chronic kidney diseases may identify shortcomings in current approaches to therapeutically target necroptosis regulators and lead to the development of innovative therapeutic approaches.
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15
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Wang X, Chai Y, Guo Z, Wang Z, Liao H, Wang Z, Wang Z. A new perspective on the potential application of RIPK1 in the treatment of sepsis. Immunotherapy 2023; 15:43-56. [PMID: 36597707 DOI: 10.2217/imt-2022-0219] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
RIPK1 is a global cellular sensor that can determine the survival of cells. Generally, RIPK1 can induce cell apoptosis and necroptosis through TNF, Fas and lipopolysaccharide stimulation, while its scaffold function can sense the fluctuation of cellular energy and promote cell survival. Sepsis is a nonspecific disease that seriously threatens human health. There is some dispute in the literature about the role of RIPK1 in sepsis. In this review, the authors attempt to comprehensively discuss the differential results for RIPK1 in sepsis by summarizing the underlying molecular mechanism and putting forward a tentative idea as to whether RIPK1 can serve as a biomarker for the monitoring of treatment and progression in sepsis.
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Affiliation(s)
- Xuesong Wang
- School of Clinical Medicine, Tsinghua University, Beijing, China, 30 Shuangqing Road, Haidian District Beijing, Beijing, 102218, China
| | - Yan Chai
- School of Clinical Medicine, Tsinghua University, Beijing, China, 30 Shuangqing Road, Haidian District Beijing, Beijing, 102218, China
| | - Zhe Guo
- School of Clinical Medicine, Tsinghua University, Beijing, China, 30 Shuangqing Road, Haidian District Beijing, Beijing, 102218, China
| | - Ziyi Wang
- School of Clinical Medicine, Tsinghua University, Beijing, China, 30 Shuangqing Road, Haidian District Beijing, Beijing, 102218, China
| | - Haiyan Liao
- School of Clinical Medicine, Tsinghua University, Beijing, China, 30 Shuangqing Road, Haidian District Beijing, Beijing, 102218, China
| | - Ziwen Wang
- School of Clinical Medicine, Tsinghua University, Beijing, China, 30 Shuangqing Road, Haidian District Beijing, Beijing, 102218, China
| | - Zhong Wang
- Beijing Tsinghua Changgung Hospital Affiliated to Tsinghua University, Beijing, China, 168 Litang Road, Changping District, Beijing, 102218, China
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16
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Zhang R, Song Y, Su X. Necroptosis and Alzheimer's Disease: Pathogenic Mechanisms and Therapeutic Opportunities. J Alzheimers Dis 2023; 94:S367-S386. [PMID: 36463451 PMCID: PMC10473100 DOI: 10.3233/jad-220809] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/07/2022] [Indexed: 11/30/2022]
Abstract
Alzheimer's disease (AD) is considered to be the most common neurodegenerative disease, with clinical symptoms encompassing progressive memory loss and cognitive impairment. Necroptosis is a form of programmed necrosis that promotes cell death and neuroinflammation, which further mediates the pathogenesis of several neurodegenerative diseases, especially AD. Current evidence has strongly suggested that necroptosis is activated in AD brains, resulting in neuronal death and cognitive impairment. We searched the PubMed database, screening all articles published before September 28, 2022 related to necroptosis in the context of AD pathology. The keywords in the search included: "necroptosis", "Alzheimer's disease", "signaling pathways", "Aβ", Aβo", "Tau", "p-Tau", "neuronal death", "BBB damage", "neuroinflammation", "microglia", "mitochondrial dysfunction", "granulovacuolar degeneration", "synaptic loss", "axonal degeneration", "Nec-1", "Nec-1s", "GSK872", "NSA", "OGA", "RIPK1", "RIPK3", and "MLKL". Results show that necroptosis has been involved in multiple pathological processes of AD, including amyloid-β aggregation, Tau accumulation, neuronal death, and blood-brain barrier damage, etc. More importantly, existing research on AD necroptosis interventions, including drug intervention and potential gene targets, as well as its current clinical development status, was discussed. Finally, the issues pertaining to necroptosis in AD were presented. Accordingly, this review may provide further insight into clinical perspectives and challenges for the future treatment of AD by targeting the necroptosis pathway.
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Affiliation(s)
- Ruxin Zhang
- Linfen People’s Hospital, Linfen, Shanxi, China
| | | | - Xuefeng Su
- Linfen People’s Hospital, Linfen, Shanxi, China
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17
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Muendlein HI, Connolly WM, Cameron J, Jetton D, Magri Z, Smirnova I, Vannier E, Li X, Martinot AJ, Batorsky R, Poltorak A. Neutrophils and macrophages drive TNF-induced lethality via TRIF/CD14-mediated responses. Sci Immunol 2022; 7:eadd0665. [PMID: 36563168 PMCID: PMC10021564 DOI: 10.1126/sciimmunol.add0665] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
TNF mediates a variety of biological processes including cellular proliferation, inflammatory responses, and cell death and is therefore associated with numerous pathologies including autoinflammatory diseases and septic shock. The inflammatory and cell death responses to TNF have been studied extensively downstream of TNF-R1 and are believed to rely on the formation of proinflammatory complex I and prodeath complex II, respectively. We recently identified a similar multimeric complex downstream of TLR4, termed the TRIFosome, that regulates inflammation and cell death in response to LPS or Yersinia pseudotuberculosis. We present evidence of a role for the TRIFosome downstream of TNF-R1, independent of TLR3 or TLR4 engagement. Specifically, TNF-induced cell death and inflammation in murine macrophages were driven by the TLR4 adaptor TRIF and the LPS co-receptor CD14, highlighting an important role for these proteins beyond TLR-mediated immune responses. Via immunoprecipitation and visualization of TRIF-specific puncta, we demonstrated TRIF- and CD14-dependent formation of prodeath and proinflammatory complexes in response to TNF. Extending these findings, in a murine TNF-induced sepsis model, TRIF and CD14 deficiency decreased systemic inflammation, reduced organ pathology, and improved survival. The outcome of TRIF activation was cell specific, because TNF-induced lethality was mediated by neutrophils and macrophages responding to TNF in a TRIF-dependent manner. Our findings suggest that in addition to their crucial role in TNF production, myeloid cells are central to TNF toxicity and position TRIF and CD14 as universal components of receptor-mediated immune responses.
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Affiliation(s)
- Hayley I Muendlein
- Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Wilson M Connolly
- Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA
| | - James Cameron
- Graduate Program in Immunology, Tufts Graduate School of Biomedical Sciences, Boston, MA 02111, USA
| | - David Jetton
- Graduate Program in Immunology, Tufts Graduate School of Biomedical Sciences, Boston, MA 02111, USA
| | - Zoie Magri
- Graduate Program in Immunology, Tufts Graduate School of Biomedical Sciences, Boston, MA 02111, USA
| | - Irina Smirnova
- Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Edouard Vannier
- Division of Geographic Medicine and Infectious Diseases, Tufts Medical Center, Boston, MA 02111, USA
| | - Xudong Li
- Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Amanda J Martinot
- Department of Infectious Diseases and Global Health, Tufts University Cummings School of Veterinary Medicine, North Grafton, MA 01536, USA
| | - Rebecca Batorsky
- Data Intensive Studies Center, Tufts University, Medford, MA 02155, USA
| | - Alexander Poltorak
- Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA
- Graduate Program in Immunology, Tufts Graduate School of Biomedical Sciences, Boston, MA 02111, USA
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18
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Wang WY, Yi WQ, Liu YS, Hu QY, Qian SJ, Liu JT, Mao H, Cai F, Yang HL. Z-DNA/RNA Binding Protein 1 Senses Mitochondrial DNA to Induce Receptor-Interacting Protein Kinase-3/Mixed Lineage Kinase Domain-Like-Driven Necroptosis in Developmental Sevoflurane Neurotoxicity. Neuroscience 2022; 507:99-111. [PMID: 36370933 DOI: 10.1016/j.neuroscience.2022.11.005] [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: 05/08/2022] [Revised: 10/30/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022]
Abstract
Developmental sevoflurane exposure leads to widespread neuronal cell death known as sevoflurane-induced neurotoxicity (SIN). Receptor-interacting protein kinase-3 (RIPK3) and mixed lineage kinase domain-like (MLKL)-driven necroptosis plays an important role in cell fate. Previous research has shown that inhibition of RIPK1 activity alone did not attenuate SIN. Since RIPK3/MLKL signaling could also be activated by Z-DNA/RNA binding protein 1 (ZBP1), the present study was designed to investigate whether ZBP1-mediated and RIPK3/MLKL-driven necroptosis is involved in SIN through in vitro and in vivo experiments. We found that sevoflurane priming triggers neuronal cell death and LDH release in a time-dependent manner. The expression levels of RIPK1, RIPK3, ZBP1 and membrane phosphorylated MLKL were also dramatically enhanced in SIN. Intriguingly, knockdown of RIPK3, but not RIPK1, abolished MLKL-mediated neuronal necroptosis in SIN. Additionally, inhibition of RIPK3-mediated necroptosis with GSK'872, rather than inhibition of apoptosis with zVAD, significantly ameliorated SIN. Further investigation showed that sevoflurane treatment causes mitochondrial DNA (mtDNA) release into the cytosol. Accordingly, ZBP1 senses cytosolic mtDNA and consequently activates RIPK3/MLKL signaling. This conclusion was reinforced by the evidence that knockdown of ZBP1 or depleting mtDNA with ethidium bromide remarkably improved SIN. Finally, the administration of the RIPK3 inhibitor GSK'872 relieved sevoflurane-induced spatial and emotional disorders without influence on locomotor activity. Altogether, these results illustrate that ZBP1 senses cytosolic mtDNA to induce RIPK3/MLKL-driven necroptosis in SIN. Elucidating the role of necroptosis in SIN will provide new insights into understanding the mechanism of anesthetic exposure in the developing brain.
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Affiliation(s)
- Wen-Yuan Wang
- Center for Rehabilitation Medicine, Department of Anesthesiology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang 310014, China.
| | - Wan-Qing Yi
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China
| | - Yu-Si Liu
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China
| | - Qi-Yun Hu
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China
| | - Shao-Jie Qian
- Center for Rehabilitation Medicine, Department of Anesthesiology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang 310014, China
| | - Jin-Tao Liu
- Center for Rehabilitation Medicine, Department of Anesthesiology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang 310014, China
| | - Hui Mao
- Center for Rehabilitation Medicine, Department of Anesthesiology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang 310014, China
| | - Fang Cai
- Center for Rehabilitation Medicine, Department of Anesthesiology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang 310014, China
| | - Hui-Ling Yang
- Department of Anesthesiology, Affiliated Hangzhou Xixi Hospital, Zhejiang University School of Medicine, Hangzhou 310023, China.
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19
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Shi K, Zhang J, Zhou E, Wang J, Wang Y. Small-Molecule Receptor-Interacting Protein 1 (RIP1) Inhibitors as Therapeutic Agents for Multifaceted Diseases: Current Medicinal Chemistry Insights and Emerging Opportunities. J Med Chem 2022; 65:14971-14999. [DOI: 10.1021/acs.jmedchem.2c01518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Kunyu Shi
- Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, Joint Research Institution of Altitude Health, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Jifa Zhang
- Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, Joint Research Institution of Altitude Health, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
- Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
- Tianfu Jincheng Laboratory, Chengdu, 610041 Sichuan, China
| | - Enda Zhou
- West China School of Pharmacy, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Jiaxing Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Yuxi Wang
- Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, Joint Research Institution of Altitude Health, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
- Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
- Tianfu Jincheng Laboratory, Chengdu, 610041 Sichuan, China
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20
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Chaouhan HS, Vinod C, Mahapatra N, Yu SH, Wang IK, Chen KB, Yu TM, Li CY. Necroptosis: A Pathogenic Negotiator in Human Diseases. Int J Mol Sci 2022; 23:ijms232112714. [PMID: 36361505 PMCID: PMC9655262 DOI: 10.3390/ijms232112714] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 11/25/2022] Open
Abstract
Over the past few decades, mechanisms of programmed cell death have attracted the scientific community because they are involved in diverse human diseases. Initially, apoptosis was considered as a crucial mechanistic pathway for programmed cell death; recently, an alternative regulated mode of cell death was identified, mimicking the features of both apoptosis and necrosis. Several lines of evidence have revealed that dysregulation of necroptosis leads to pathological diseases such as cancer, cardiovascular, lung, renal, hepatic, neurodegenerative, and inflammatory diseases. Regulated forms of necrosis are executed by death receptor ligands through the activation of receptor-interacting protein kinase (RIPK)-1/3 and mixed-lineage kinase domain-like (MLKL), resulting in the formation of a necrosome complex. Many papers based on genetic and pharmacological studies have shown that RIPKs and MLKL are the key regulatory effectors during the progression of multiple pathological diseases. This review focused on illuminating the mechanisms underlying necroptosis, the functions of necroptosis-associated proteins, and their influences on disease progression. We also discuss numerous natural and chemical compounds and novel targeted therapies that elicit beneficial roles of necroptotic cell death in malignant cells to bypass apoptosis and drug resistance and to provide suggestions for further research in this field.
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Affiliation(s)
- Hitesh Singh Chaouhan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan
| | - Ch Vinod
- Department of Biological Sciences, School of Applied Sciences, KIIT University, Bhubaneshwar 751024, India
| | - Nikita Mahapatra
- Department of Biological Sciences, School of Applied Sciences, KIIT University, Bhubaneshwar 751024, India
| | - Shao-Hua Yu
- Department of Emergency Medicine, China Medical University Hospital, Taichung 40402, Taiwan
| | - I-Kuan Wang
- School of Medicine, China Medical University, Taichung 40402, Taiwan
- Department of Internal Medicine, China Medical University Hospital, Taichung 40402, Taiwan
| | - Kuen-Bao Chen
- Department of Anesthesiology, China Medical University Hospital, Taichung 40402, Taiwan
| | - Tung-Min Yu
- School of Medicine, China Medical University, Taichung 40402, Taiwan
- Division of Nephrology, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung 40402, Taiwan
- Correspondence: (T.-M.Y.); or (C.-Y.L.)
| | - Chi-Yuan Li
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan
- School of Medicine, China Medical University, Taichung 40402, Taiwan
- Department of Anesthesiology, China Medical University Hospital, Taichung 40402, Taiwan
- Correspondence: (T.-M.Y.); or (C.-Y.L.)
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21
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The role of RHIM in necroptosis. Biochem Soc Trans 2022; 50:1197-1205. [PMID: 36040212 PMCID: PMC9444067 DOI: 10.1042/bst20220535] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/05/2022] [Accepted: 08/09/2022] [Indexed: 11/17/2022]
Abstract
The RIP homotypic interaction motif (RHIM) is a conserved protein domain that is approximately 18–22 amino acids in length. In humans, four proteins carrying RHIM domains have been identified: receptor-interacting serine/threonine protein kinase (RIPK) 1, RIPK3, Z-DNA-binding protein 1 (ZBP1), and TIR domain-containing adapter-inducing IFN-β (TRIF), which are all major players in necroptosis, a distinct form of regulated cell death. Necroptosis is mostly presumed to be a fail-safe form of cell death, occurring in cells in which apoptosis is compromised. Upon activation, RIPK1, ZBP1, and TRIF each hetero-oligomerize with RIPK3 and induce the assembly of an amyloid-like structure of RIPK3 homo-oligomers. These act as docking stations for the recruitment of the pseudokinase mixed-lineage kinase domain like (MLKL), the pore-forming executioner of necroptosis. As RHIM domain interactions are a vital component of the signaling cascade and can also be involved in apoptosis and pyroptosis activation, it is unsurprising that viral and bacterial pathogens have developed means of disrupting RHIM-mediated signaling to ensure survival. Moreover, as these mechanisms play an essential part of regulated cell death signaling, they have received much attention in recent years. Herein, we present the latest insights into the supramolecular structure of interacting RHIM proteins and their distinct signaling cascades in inflammation and infection. Their uncovering will ultimately contribute to the development of new therapeutic strategies in the regulation of lytic cell death.
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22
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Panahipour L, Cervantes LCC, Oladzad Abbasabadi A, Sordi MB, Kargarpour Z, Gruber R. Blocking of Caspases Exerts Anti-Inflammatory Effects on Periodontal Cells. LIFE (BASEL, SWITZERLAND) 2022; 12:life12071045. [PMID: 35888133 PMCID: PMC9316350 DOI: 10.3390/life12071045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 06/22/2022] [Accepted: 06/30/2022] [Indexed: 11/16/2022]
Abstract
Periodontitis is an inflammatory process that is associated with caspase activity. Caspases could thus become molecular targets for the modulation of the inflammatory response to harmful factors, such as lipopolysaccharides (LPS) and TNFα. Here, the impact of the pan-caspase inhibitor Z-VAD-FMK (carbobenzoxy-valyl-alanyl-aspartyl-[O-methyl]-fluoro-methyl ketone) on the modulation of the LPS-induced inflammatory response of murine RAW 264.7 cells and primary macrophages was examined. Moreover, the inflammatory responses of human gingival fibroblasts, HSC2 oral squamous carcinoma cells and murine ST2 mesenchymal fibroblasts when exposed to TNFα were studied. Data showed that Z-VAD-FMK significantly lowered the inflammatory response of RAW 264.7 cells and primary macrophages, as indicated by the expression of IL1 and IL6. In murine ST2 mesenchymal fibroblasts, the TNFα-induced expression of CCL2 and CCL5 was significantly reduced. In human gingival fibroblasts and HSC2 cells, Z-VAD-FMK considerably reduced the TNFα-induced expression of CXCL8 and CXCL10. These findings suggest that pharmacological blocking of caspases in an inflammatory environment lowers the expression of cytokines and chemokines in periodontal cells.
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Affiliation(s)
- Layla Panahipour
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria; (L.P.); (L.C.C.C.); (A.O.A.); (M.B.S.); (Z.K.)
| | - Lara Cristina Cunha Cervantes
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria; (L.P.); (L.C.C.C.); (A.O.A.); (M.B.S.); (Z.K.)
- Department of Diagnosis and Surgery, School of Dentistry, São Paulo State University (UNESP), Araçatuba, Sao Paulo 16015-050, Brazil
| | - Azarakhsh Oladzad Abbasabadi
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria; (L.P.); (L.C.C.C.); (A.O.A.); (M.B.S.); (Z.K.)
| | - Mariane Beatriz Sordi
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria; (L.P.); (L.C.C.C.); (A.O.A.); (M.B.S.); (Z.K.)
- Centre for Research on Dental Implants (CEPID), Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianopolis 88040-900, Brazil
| | - Zahra Kargarpour
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria; (L.P.); (L.C.C.C.); (A.O.A.); (M.B.S.); (Z.K.)
| | - Reinhard Gruber
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria; (L.P.); (L.C.C.C.); (A.O.A.); (M.B.S.); (Z.K.)
- Department of Periodontology, School of Dental Medicine, University of Bern, Freiburgstrasse 7, 3010 Bern, Switzerland
- Austrian Cluster for Tissue Regeneration, Donaueschingenstraße 13, 1200 Vienna, Austria
- Correspondence:
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23
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Price DR, Benedetti E, Hoffman KL, Gomez-Escobar L, Alvarez-Mulett S, Capili A, Sarwath H, Parkhurst CN, Lafond E, Weidman K, Ravishankar A, Cheong JG, Batra R, Büyüközkan M, Chetnik K, Easthausen I, Schenck EJ, Racanelli AC, Outtz Reed H, Laurence J, Josefowicz SZ, Lief L, Choi ME, Schmidt F, Borczuk AC, Choi AMK, Krumsiek J, Rafii S. Angiopoietin 2 Is Associated with Vascular Necroptosis Induction in Coronavirus Disease 2019 Acute Respiratory Distress Syndrome. THE AMERICAN JOURNAL OF PATHOLOGY 2022; 192:1001-1015. [PMID: 35469796 PMCID: PMC9027298 DOI: 10.1016/j.ajpath.2022.04.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 03/10/2022] [Accepted: 04/04/2022] [Indexed: 12/12/2022]
Abstract
Vascular injury is a well-established, disease-modifying factor in acute respiratory distress syndrome (ARDS) pathogenesis. Recently, coronavirus disease 2019 (COVID-19)-induced injury to the vascular compartment has been linked to complement activation, microvascular thrombosis, and dysregulated immune responses. This study sought to assess whether aberrant vascular activation in this prothrombotic context was associated with the induction of necroptotic vascular cell death. To achieve this, proteomic analysis was performed on blood samples from COVID-19 subjects at distinct time points during ARDS pathogenesis (hospitalized at risk, N = 59; ARDS, N = 31; and recovery, N = 12). Assessment of circulating vascular markers in the at-risk cohort revealed a signature of low vascular protein abundance that tracked with low platelet levels and increased mortality. This signature was replicated in the ARDS cohort and correlated with increased plasma angiopoietin 2 levels. COVID-19 ARDS lung autopsy immunostaining confirmed a link between vascular injury (angiopoietin 2) and platelet-rich microthrombi (CD61) and induction of necrotic cell death [phosphorylated mixed lineage kinase domain-like (pMLKL)]. Among recovery subjects, the vascular signature identified patients with poor functional outcomes. Taken together, this vascular injury signature was associated with low platelet levels and increased mortality and can be used to identify ARDS patients most likely to benefit from vascular targeted therapies.
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Affiliation(s)
- David R Price
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York; Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York
| | - Elisa Benedetti
- Institute of Computational Biomedicine, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York
| | - Katherine L Hoffman
- Division of Biostatistics, Department of Population Health Sciences, Weill Cornell Medicine, New York, New York
| | - Luis Gomez-Escobar
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York
| | - Sergio Alvarez-Mulett
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York
| | - Allyson Capili
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York
| | - Hina Sarwath
- Proteomics Core, Weill Cornell Medicine-Qatar, Qatar Foundation-Education City, Doha, Qatar
| | - Christopher N Parkhurst
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York; Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York
| | - Elyse Lafond
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York; Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York
| | - Karissa Weidman
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York; Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York
| | - Arjun Ravishankar
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, New York
| | - Jin Gyu Cheong
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, New York
| | - Richa Batra
- Institute of Computational Biomedicine, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York
| | - Mustafa Büyüközkan
- Institute of Computational Biomedicine, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York
| | - Kelsey Chetnik
- Institute of Computational Biomedicine, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York
| | - Imaani Easthausen
- Division of Biostatistics, Department of Population Health Sciences, Weill Cornell Medicine, New York, New York
| | - Edward J Schenck
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York; Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York
| | - Alexandra C Racanelli
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York; Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York
| | - Hasina Outtz Reed
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York; Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York
| | - Jeffrey Laurence
- Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York; Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Steven Z Josefowicz
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, New York
| | - Lindsay Lief
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York; Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York
| | - Mary E Choi
- Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York; Division of Nephrology and Hypertension, Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Frank Schmidt
- Proteomics Core, Weill Cornell Medicine-Qatar, Qatar Foundation-Education City, Doha, Qatar
| | - Alain C Borczuk
- Department of Pathology and Laboratory Medicine, New York Presbyterian-Weill Cornell Medicine, New York, New York
| | - Augustine M K Choi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York; Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York
| | - Jan Krumsiek
- Institute of Computational Biomedicine, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York.
| | - Shahin Rafii
- Department of Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, New York, New York; Ansary Stem Cell Institute, Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, New York.
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Abstract
ABSTRACT As a global major health problem and a leading cause of death, sepsis is defined as a failure of homeostasis, which is mainly initiated by an infection and followed by sustained excessive inflammation until immune suppression. Despite advances in the identification and management of clinical sepsis, morbidity, and mortality remain high. In addition, clinical trials have failed to yield promising results. In recent years, the mechanism of regulated cell death (RCD) in sepsis has attracted more and more attention, because these dying cells could release a large number of danger signals which contribute to inflammatory responses and exacerbation of sepsis, providing a new direction for us to make treatment strategy. Here we summarize mechanisms of several forms of RCD in sepsis including necroptosis, pyroptosis, ferroptosis. In conclusion, targeting RCD is considered a promising approach to treat sepsis.
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25
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Lucas R, Hadizamani Y, Enkhbaatar P, Csanyi G, Caldwell RW, Hundsberger H, Sridhar S, Lever AA, Hudel M, Ash D, Ushio-Fukai M, Fukai T, Chakraborty T, Verin A, Eaton DC, Romero M, Hamacher J. Dichotomous Role of Tumor Necrosis Factor in Pulmonary Barrier Function and Alveolar Fluid Clearance. Front Physiol 2022; 12:793251. [PMID: 35264975 PMCID: PMC8899333 DOI: 10.3389/fphys.2021.793251] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 11/30/2021] [Indexed: 02/04/2023] Open
Abstract
Alveolar-capillary leak is a hallmark of the acute respiratory distress syndrome (ARDS), a potentially lethal complication of severe sepsis, trauma and pneumonia, including COVID-19. Apart from barrier dysfunction, ARDS is characterized by hyper-inflammation and impaired alveolar fluid clearance (AFC), which foster the development of pulmonary permeability edema and hamper gas exchange. Tumor Necrosis Factor (TNF) is an evolutionarily conserved pleiotropic cytokine, involved in host immune defense against pathogens and cancer. TNF exists in both membrane-bound and soluble form and its mainly -but not exclusively- pro-inflammatory and cytolytic actions are mediated by partially overlapping TNFR1 and TNFR2 binding sites situated at the interface between neighboring subunits in the homo-trimer. Whereas TNFR1 signaling can mediate hyper-inflammation and impaired barrier function and AFC in the lungs, ligand stimulation of TNFR2 can protect from ventilation-induced lung injury. Spatially distinct from the TNFR binding sites, TNF harbors within its structure a lectin-like domain that rather protects lung function in ARDS. The lectin-like domain of TNF -mimicked by the 17 residue TIP peptide- represents a physiological mediator of alveolar-capillary barrier protection. and increases AFC in both hydrostatic and permeability pulmonary edema animal models. The TIP peptide directly activates the epithelial sodium channel (ENaC) -a key mediator of fluid and blood pressure control- upon binding to its α subunit, which is also a part of the non-selective cation channel (NSC). Activity of the lectin-like domain of TNF is preserved in complexes between TNF and its soluble TNFRs and can be physiologically relevant in pneumonia. Antibody- and soluble TNFR-based therapeutic strategies show considerable success in diseases such as rheumatoid arthritis, psoriasis and inflammatory bowel disease, but their chronic use can increase susceptibility to infection. Since the lectin-like domain of TNF does not interfere with TNF's anti-bacterial actions, while exerting protective actions in the alveolar-capillary compartments, it is currently evaluated in clinical trials in ARDS and COVID-19. A more comprehensive knowledge of the precise role of the TNFR binding sites versus the lectin-like domain of TNF in lung injury, tissue hypoxia, repair and remodeling may foster the development of novel therapeutics for ARDS.
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Affiliation(s)
- Rudolf Lucas
- Vascular Biology Center, Augusta University, Augusta, GA, United States,Department of Pharmacology and Toxicology, Augusta University, Augusta, GA, United States,Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, United States,*Correspondence: Rudolf Lucas,
| | - Yalda Hadizamani
- Lungen-und Atmungsstiftung Bern, Bern, Switzerland,Pneumology, Clinic for General Internal Medicine, Lindenhofspital Bern, Bern, Switzerland
| | - Perenlei Enkhbaatar
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, United States
| | - Gabor Csanyi
- Vascular Biology Center, Augusta University, Augusta, GA, United States,Department of Pharmacology and Toxicology, Augusta University, Augusta, GA, United States
| | - Robert W. Caldwell
- Department of Pharmacology and Toxicology, Augusta University, Augusta, GA, United States
| | - Harald Hundsberger
- Department of Medical Biotechnology, University of Applied Sciences, Krems, Austria,Department of Dermatology, University Hospital of the Paracelsus Medical University, Salzburg, Austria
| | - Supriya Sridhar
- Vascular Biology Center, Augusta University, Augusta, GA, United States
| | - Alice Ann Lever
- Vascular Biology Center, Augusta University, Augusta, GA, United States,Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Martina Hudel
- Institute for Medical Microbiology, Justus-Liebig University, Giessen, Germany
| | - Dipankar Ash
- Vascular Biology Center, Augusta University, Augusta, GA, United States
| | - Masuko Ushio-Fukai
- Vascular Biology Center, Augusta University, Augusta, GA, United States,Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Tohru Fukai
- Vascular Biology Center, Augusta University, Augusta, GA, United States,Department of Pharmacology and Toxicology, Augusta University, Augusta, GA, United States,Charlie Norwood Veterans Affairs Medical Center, Augusta, GA, United States
| | - Trinad Chakraborty
- Institute for Medical Microbiology, Justus-Liebig University, Giessen, Germany
| | - Alexander Verin
- Vascular Biology Center, Augusta University, Augusta, GA, United States,Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Douglas C. Eaton
- Department of Medicine, School of Medicine, Emory University, Atlanta, GA, United States
| | - Maritza Romero
- Vascular Biology Center, Augusta University, Augusta, GA, United States,Department of Pharmacology and Toxicology, Augusta University, Augusta, GA, United States,Department of Anesthesiology and Perioperative Medicine, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Jürg Hamacher
- Lungen-und Atmungsstiftung Bern, Bern, Switzerland,Pneumology, Clinic for General Internal Medicine, Lindenhofspital Bern, Bern, Switzerland,Medical Clinic V-Pneumology, Allergology, Intensive Care Medicine, and Environmental Medicine, Faculty of Medicine, University Medical Centre of the Saarland, Saarland University, Homburg, Germany,Institute for Clinical & Experimental Surgery, Faculty of Medicine, Saarland University, Homburg, Germany,Jürg Hamacher,
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26
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Huang WY, Lai YL, Liu KH, Lin S, Chen HY, Liang CH, Wu HM, Hsu KS. TNFα-mediated necroptosis in brain endothelial cells as a potential mechanism of increased seizure susceptibility in mice following systemic inflammation. J Neuroinflammation 2022; 19:29. [PMID: 35109859 PMCID: PMC8809013 DOI: 10.1186/s12974-022-02406-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 01/27/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Systemic inflammation is a potent contributor to increased seizure susceptibility. However, information regarding the effects of systemic inflammation on cerebral vascular integrity that influence neuron excitability is scarce. Necroptosis is closely associated with inflammation in various neurological diseases. In this study, necroptosis was hypothesized to be involved in the mechanism underlying sepsis-associated neuronal excitability in the cerebrovascular components (e.g., endothelia cells). METHODS Lipopolysaccharide (LPS) was used to induce systemic inflammation. Kainic acid intraperitoneal injection was used to measure the susceptibility of the mice to seizure. The pharmacological inhibitors C87 and GSK872 were used to block the signaling of TNFα receptors and necroptosis. In order to determine the features of the sepsis-associated response in the cerebral vasculature and CNS, brain tissues of mice were obtained for assays of the necroptosis-related protein expression, and for immunofluorescence staining to identify morphological changes in the endothelia and glia. In addition, microdialysis assay was used to assess the changes in extracellular potassium and glutamate levels in the brain. RESULTS Some noteworthy findings, such as increased seizure susceptibility and brain endothelial necroptosis, Kir4.1 dysfunction, and microglia activation were observed in mice following LPS injection. C87 treatment, a TNFα receptor inhibitor, showed considerable attenuation of increased kainic acid-induced seizure susceptibility, endothelial cell necroptosis, microglia activation and restoration of Kir4.1 protein expression in LPS-treated mice. Treatment with GSK872, a RIP3 inhibitor, such as C87, showed similar effects on these changes following LPS injection. CONCLUSIONS The findings of this study showed that TNFα-mediated necroptosis induced cerebrovascular endothelial damage, neuroinflammation and astrocyte Kir4.1 dysregulation, which may coalesce to contribute to the increased seizure susceptibility in LPS-treated mice. Pharmacologic inhibition targeting this necroptosis pathway may provide a promising therapeutic approach to the reduction of sepsis-associated brain endothelia cell injury, astrocyte ion channel dysfunction, and subsequent neuronal excitability.
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Affiliation(s)
- Wan-Yu Huang
- Institute of Basic Medical Sciences Basic Medicine, College of Medicine, National Cheng-Kung University, Tainan, Taiwan.,Pediatrics of Kung-Ten General Hospital, Taichung City, Taiwan
| | - Yen-Ling Lai
- Inflammation Research and Drug Development Center, Changhua Christian Hospital, Changhua, Taiwan
| | - Ko-Hung Liu
- Inflammation Research and Drug Development Center, Changhua Christian Hospital, Changhua, Taiwan
| | - Shankung Lin
- Inflammation Research and Drug Development Center, Changhua Christian Hospital, Changhua, Taiwan
| | - Hsuan-Ying Chen
- Inflammation Research and Drug Development Center, Changhua Christian Hospital, Changhua, Taiwan
| | - Chih-Hung Liang
- Department of Food Science, Tunghai University, Taichung City, Taiwan
| | - Hung-Ming Wu
- Inflammation Research and Drug Development Center, Changhua Christian Hospital, Changhua, Taiwan. .,Department of Neurology, Changhua Christian Hospital, Changhua City, Taiwan. .,Institute of Acupuncture, School of Chinese Medicine, China Medical University, Taichung City, Taiwan.
| | - Kuei-Sen Hsu
- Institute of Basic Medical Sciences Basic Medicine, College of Medicine, National Cheng-Kung University, Tainan, Taiwan.
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27
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Ashour H, Hashem HA, Khowailed AA, Rashed LA, Hassan RM, Soliman AS. Necrostatin-1 mitigates renal ischemia-reperfusion injury - time dependent- via aborting the interacting protein kinase (RIPK-1)-induced inflammatory immune response. Clin Exp Pharmacol Physiol 2022; 49:501-514. [PMID: 35090059 DOI: 10.1111/1440-1681.13625] [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: 08/16/2021] [Revised: 11/13/2021] [Accepted: 12/16/2021] [Indexed: 11/27/2022]
Abstract
The recently defined necroptosis process participates in the pathophysiology of several tissue injuries. Targeting the necroptosis mediator receptor-interacting protein kinase (RIPK1) by necrostatin-1 in different phases of ischemia-reperfusion injury (IRI) may provide new insight into the protection against renal IRI. The rat groups included (n= 8 in each group); 1) Sham, 2) Renal IRI, 3) Necrostatin-1 treatment 20 min before ischemia induction in a dose of 1.65 mg/kg/intravenous. 4) Necrostatin-1 injection just before reperfusion, 5) Necrostatin-1 injection 20 min after reperfusion establishment, and 6) drug injection at both the pre-ischemia and at reperfusion time in the same dose. Timing dependent, necrostatin-1 diminished RIPK1 (P < 0.001), and aborted the necroptosis induced renal cell injury. Necrostatin-1 decreased the renal chemokine (CXCL1), interleukin-6, intercellular adhesion molecule (ICAM-1), myeloperoxidase, and the nuclear factor (NFκB), concomitant with reduced inducible nitric oxide synthase (iNOS), inflammatory cell infiltration, and diminished cell death represented by apoptotic cell count and the BAX/Bcl2 protein ratio. In group six, the cell injury was minimum and the renal functions (creatinine, BUN, and creatinine clearance) were almost normalized. The inflammatory markers were diminished (P < 0.001) compared to the IRI group. The results were confirmed by histopathological examination. In conclusion, RIPK1 inhibition ameliorates the inflammatory immune response induced by renal IRI. The use of two doses was more beneficial as the pathophysiology of cell injury is characterized.
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Affiliation(s)
- Hend Ashour
- Department of Medical Physiology, Faculty of Medicine, King Khalid University, Abha, KSA.,Department of Medical Physiology, Faculty of Medicine, Cairo University, Egypt
| | - Heba A Hashem
- Department of Medical Physiology, Faculty of Medicine, Beni-Suef University, Egypt
| | - Akef A Khowailed
- Department of Medical Physiology, Faculty of Medicine, Cairo University, Egypt
| | - Laila A Rashed
- Department of Biochemistry, Faculty of Medicine, Cairo University, Egypt
| | - Randa M Hassan
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Beni-Suef University, Egypt
| | - Ayman S Soliman
- Department of Medical Physiology, Faculty of Medicine, Beni-Suef University, Egypt
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28
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Yang Y, Wang L, Zhang H, Luo L. Mixed lineage kinase domain-like pseudokinase-mediated necroptosis aggravates periodontitis progression. J Mol Med (Berl) 2022; 100:77-86. [PMID: 34647144 DOI: 10.1007/s00109-021-02126-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 08/03/2021] [Accepted: 08/05/2021] [Indexed: 12/19/2022]
Abstract
Necroptosis is a form of cell death that is reportedly involved in the pathogenesis of periodontitis. The role of Mlkl-involved necroptosis remains unclear. Herein, this project aimed to explore the role of MLKL-mediated necroptosis in periodontitis in vitro and in vivo. Expression of RIPK3, MLKL, and phosphorylated MLKL was observed in gingival tissues obtained from healthy subjects or patients with periodontitis. The cell viability of Porphyromonas gingivalis lipopolysaccharide (LPS-Pg)-treated cells was detected. In wild type or Mlkl deficiency mice with ligature-induced periodontitis, alveolar bone loss and osteoclast activation were assessed. mRNA levels of inflammatory cytokines in bone marrow-derived macrophages were tested by qRT-PCR. Increased expression of RIPK3, MLKL, and phosphorylated MLKL was observed in gingival tissues obtained from patients with periodontitis. Porphyromonas gingivalis lipopolysaccharide (LPS-Pg)-treated cells developed necroptosis after caspase inhibition and negatively regulated the NF-κB signaling pathway. In mice with ligature-induced periodontitis, Mlkl deficiency reduced alveolar bone loss and weakened osteoclast activation. Furthermore, genetic ablation of Mlkl in LPS-Pg-treated bone marrow-derived macrophages increased the mRNA levels of tumor necrosis factor-α, interleukin (Il)-1β, Il-6, cyclooxygenase 2, matrix metalloproteinase 9, and receptor activator of nuclear factor kappa-B ligand. Our data indicated that MLKL-mediated necroptosis aggravates the development of periodontitis in a Mlkl-deficient mouse. This will provide a new sight for the understanding of etiology and therapies of periodontitis. KEY MESSAGES: MLKL expression was up-regulated in inflamed human gingival tissue. Mlkl deficiency affected the progression of periodontitis. Necroptosis played a major role in mice periodontitis model. Knockout of Mlkl had a significant effect on inflammatory responses.
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Affiliation(s)
- Yanan Yang
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Periodontics, School of Stomatology, Tongji University, Shanghai, China
| | - Lingxia Wang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, China
| | - Haibing Zhang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, China
| | - Lijun Luo
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Periodontics, School of Stomatology, Tongji University, Shanghai, China.
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Mohammed S, Thadathil N, Selvarani R, Nicklas EH, Wang D, Miller BF, Richardson A, Deepa SS. Necroptosis contributes to chronic inflammation and fibrosis in aging liver. Aging Cell 2021; 20:e13512. [PMID: 34761505 PMCID: PMC8672775 DOI: 10.1111/acel.13512] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 09/21/2021] [Accepted: 10/26/2021] [Indexed: 12/14/2022] Open
Abstract
Inflammaging, characterized by an increase in low-grade chronic inflammation with age, is a hallmark of aging and is strongly associated with various age-related diseases, including chronic liver disease (CLD) and hepatocellular carcinoma (HCC). Because necroptosis is a cell death pathway that induces inflammation through the release of DAMPs, we tested the hypothesis that age-associated increase in necroptosis contributes to chronic inflammation in aging liver. Phosphorylation of MLKL and MLKL oligomers, markers of necroptosis, as well as phosphorylation of RIPK3 and RIPK1 were significantly upregulated in the livers of old mice relative to young mice and this increase occurred in the later half of life (i.e., after 18 months of age). Markers of M1 macrophages, expression of pro-inflammatory cytokines (TNFα, IL6 and IL1β), and markers of fibrosis were all significantly upregulated in the liver with age and the change in necroptosis paralleled the changes in inflammation and fibrosis. Hepatocytes and liver macrophages isolated from old mice showed elevated levels of necroptosis markers as well as increased expression of pro-inflammatory cytokines relative to young mice. Short-term treatment with the necroptosis inhibitor, necrostatin-1s (Nec-1s), reduced necroptosis, markers of M1 macrophages, fibrosis, and cell senescence as well as reducing the expression of pro-inflammatory cytokines in the livers of old mice. Thus, our data show for the first time that liver aging is associated with increased necroptosis and necroptosis contributes to chronic inflammation in the liver, which in turn appears to contribute to liver fibrosis and possibly CLD.
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Affiliation(s)
| | | | | | - Evan H. Nicklas
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
| | - Dawei Wang
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
| | - Benjamin F. Miller
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
- Oklahoma Center for Geroscience & Brain Aging University of Oklahoma Health Sciences Center Oklahoma City OK USA
- Aging and Metabolism Research Program Oklahoma Medical Research Foundation Oklahoma City OK USA
| | - Arlan Richardson
- Stephenson Cancer Center Oklahoma City OK USA
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
- Oklahoma Center for Geroscience & Brain Aging University of Oklahoma Health Sciences Center Oklahoma City OK USA
- Oklahoma City VA medical Center Oklahoma City OK USA
| | - Sathyaseelan S. Deepa
- Stephenson Cancer Center Oklahoma City OK USA
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
- Oklahoma Center for Geroscience & Brain Aging University of Oklahoma Health Sciences Center Oklahoma City OK USA
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Vincent JL, Ince C, Pickkers P. Endothelial dysfunction: a therapeutic target in bacterial sepsis? Expert Opin Ther Targets 2021; 25:733-748. [PMID: 34602020 DOI: 10.1080/14728222.2021.1988928] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Endothelial cells maintain vascular integrity, tone, and patency and have important roles in hemostasis and inflammatory responses. Although some degree of endothelial dysfunction with increased vascular permeability may be necessary to control local infection, excessive dysfunction plays a central role in the pathogenesis of sepsis-related organ dysfunction and failure as it results in dysregulated inflammation, vascular leakage, and abnormal coagulation. The vascular endothelium has thus been proposed as a potential target for therapeutic intervention in patients with sepsis. AREAS COVERED Different mechanisms underlying sepsis-related dysfunction of the vascular endothelium are discussed, including glycocalyx shedding, nitrosative stress, and coagulation factors. Potential therapeutic implications of each mechanism are mentioned. EXPERT OPINION Multiple targets to protect or restore endothelial function have been suggested, but endothelium-driven treatments remain a future potential at present. As some endothelial dysfunction and permeability may be necessary to remove infection and repair damaged tissue, targeting the endothelium may be a particular challenge. Ideally, therapies should be guided by biomarkers related to that specific pathway to ensure they are given only to patients most likely to respond. This enrichment based on biological plausibility and theragnostics will increase the likelihood of a beneficial response in individual patients and enable more personalized treatment.
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Affiliation(s)
- Jean-Louis Vincent
- Dept of Intensive Care, Erasme Hospital, Université Libre De Bruxelles, Brussels, Belgium
| | - Can Ince
- Department of Intensive Care, Laboratory of Translational Intensive Care, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Peter Pickkers
- Dept of Intensive Care Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
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Li S, Qu L, Wang X, Kong L. Novel insights into RIPK1 as a promising target for future Alzheimer's disease treatment. Pharmacol Ther 2021; 231:107979. [PMID: 34480965 DOI: 10.1016/j.pharmthera.2021.107979] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 06/30/2021] [Accepted: 08/24/2021] [Indexed: 02/06/2023]
Abstract
Alzheimer's disease (AD) is an intractable neurodegenerative disease showing a clinical manifestation with memory loss, cognitive impairment and behavioral dysfunction. The predominant pathological characteristics of AD include neuronal loss, β-amyloid (Aβ) deposition and hyperphosphorylated Tau induced neurofibrillary tangles (NFTs), while considerable studies proved these could be triggered by neuronal death and neuroinflammation. Receptor-interacting protein kinase 1 (RIPK1) is a serine/threonine kinase existed at the cross-point of cell death and inflammatory signaling pathways. Emerging investigations have shed light on RIPK1 for its potential role in AD progression. The present review makes a bird's eye view on the functions of RIPK1 and mainly focus on the underlying linkages between RIPK1 and AD from comprehensive aspects including neuronal death, Aβ and Tau, inflammasome activation, BBB rupture, AMPK/mTOR, mitochondrial dysfunction and O-glcNAcylation. Moreover, the discovery of RIPK1 inhibitors, ongoing clinical trials along with future RIPK1-targeted therapeutics are also reviewed.
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Affiliation(s)
- Shang Li
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Lailiang Qu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Xiaobing Wang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China.
| | - Lingyi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China.
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Ma D, Li Y, Zhu Y, Wei W, Zhang L, Li Y, Li L, Zhang L. Cornel Iridoid Glycoside Ameliorated Alzheimer's Disease-Like Pathologies and Necroptosis through RIPK1/MLKL Pathway in Young and Aged SAMP8 Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2021; 2021:9920962. [PMID: 34475966 PMCID: PMC8407981 DOI: 10.1155/2021/9920962] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 08/17/2021] [Indexed: 12/26/2022]
Abstract
BACKGROUND Aging is an important risk factor for sporadic Alzheimer's disease (AD) and other neurodegenerative diseases. Senescence-accelerated mouse-prone 8 (SAMP8) is used as an animal model for brain aging and sporadic AD research studies. The aim of the current study was to investigate the pharmacological effects of cornel iridoid glycoside (CIG), an active ingredient of Cornus officinalis, on AD-type pathological changes in young and aged SAMP8 mice. METHODS Locomotor activity test was used to detect the aging process of SAMP8 mice. Nissl staining and immunohistochemical staining were applied to detect neurons and myelin basic protein-labelled myelin sheath. Western blotting was used to detect the expression levels of related proteins of synapse, APP processing, and necroptosis. RESULTS The results showed that SAMP8 mice at the age of 6 and 14 months exhibited lower locomotor activity, age-related neuronal loss, demyelination, synaptic damage, and APP amyloidogenic processing. In addition, the increased levels of receptor-interacting protein kinase-1 (RIPK1), mixed lineage kinase domain-like protein (MLKL), and p-MLKL indicating necroptosis were found in the brain of SAMP8 mice. Intragastric administration of CIG for 2 months improved locomotor activity; alleviated neuronal loss and demyelination; increased the expression of synaptophysin, postsynaptic density protein 95, and AMPA receptor subunit 1; elevated the levels of soluble APPα fragment and disintegrin and metalloproteinase 10 (ADAM10); and decreased the levels of RIPK1, p-MLKL, and MLKL in the brain of young and aged SAMP8 mice. CONCLUSION This study denoted that CIG might be a potential drug for aging-related neurodegenerative diseases such as AD.
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Affiliation(s)
- Denglei Ma
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, National Center for Neurological Disorders, National Clinical Research Center for Geriatric Diseases, Beijing Engineering Research Center for Nervous System Drugs, Beijing Institute for Brain Disorders, Key Laboratory for Neurodegenerative Diseases of Ministry of Education, Beijing 100053, China
| | - Yanzheng Li
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, National Center for Neurological Disorders, National Clinical Research Center for Geriatric Diseases, Beijing Engineering Research Center for Nervous System Drugs, Beijing Institute for Brain Disorders, Key Laboratory for Neurodegenerative Diseases of Ministry of Education, Beijing 100053, China
- Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Yanqiu Zhu
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, National Center for Neurological Disorders, National Clinical Research Center for Geriatric Diseases, Beijing Engineering Research Center for Nervous System Drugs, Beijing Institute for Brain Disorders, Key Laboratory for Neurodegenerative Diseases of Ministry of Education, Beijing 100053, China
| | - Weipeng Wei
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, National Center for Neurological Disorders, National Clinical Research Center for Geriatric Diseases, Beijing Engineering Research Center for Nervous System Drugs, Beijing Institute for Brain Disorders, Key Laboratory for Neurodegenerative Diseases of Ministry of Education, Beijing 100053, China
| | - Li Zhang
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, National Center for Neurological Disorders, National Clinical Research Center for Geriatric Diseases, Beijing Engineering Research Center for Nervous System Drugs, Beijing Institute for Brain Disorders, Key Laboratory for Neurodegenerative Diseases of Ministry of Education, Beijing 100053, China
| | - Yali Li
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, National Center for Neurological Disorders, National Clinical Research Center for Geriatric Diseases, Beijing Engineering Research Center for Nervous System Drugs, Beijing Institute for Brain Disorders, Key Laboratory for Neurodegenerative Diseases of Ministry of Education, Beijing 100053, China
| | - Lin Li
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, National Center for Neurological Disorders, National Clinical Research Center for Geriatric Diseases, Beijing Engineering Research Center for Nervous System Drugs, Beijing Institute for Brain Disorders, Key Laboratory for Neurodegenerative Diseases of Ministry of Education, Beijing 100053, China
| | - Lan Zhang
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, National Center for Neurological Disorders, National Clinical Research Center for Geriatric Diseases, Beijing Engineering Research Center for Nervous System Drugs, Beijing Institute for Brain Disorders, Key Laboratory for Neurodegenerative Diseases of Ministry of Education, Beijing 100053, China
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Zhang J, Jin T, Aksentijevich I, Zhou Q. RIPK1-Associated Inborn Errors of Innate Immunity. Front Immunol 2021; 12:676946. [PMID: 34163478 PMCID: PMC8215710 DOI: 10.3389/fimmu.2021.676946] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 05/24/2021] [Indexed: 11/20/2022] Open
Abstract
RIPK1 (receptor-interacting serine/threonine-protein kinase 1) is a key molecule for mediating apoptosis, necroptosis, and inflammatory pathways downstream of death receptors (DRs) and pattern recognition receptors (PRRs). RIPK1 functions are regulated by multiple post-translational modifications (PTMs), including ubiquitination, phosphorylation, and the caspase-8-mediated cleavage. Dysregulation of these modifications leads to an immune deficiency or a hyperinflammatory disease in humans. Over the last decades, numerous studies on the RIPK1 function in model organisms have provided insights into the molecular mechanisms of RIPK1 role in the maintenance of immune homeostasis. However, the physiological role of RIPK1 in the regulation of cell survival and cell death signaling in humans remained elusive. Recently, RIPK1 loss-of-function (LoF) mutations and cleavage-deficient mutations have been identified in humans. This review discusses the molecular pathogenesis of RIPK1-deficiency and cleavage-resistant RIPK1 induced autoinflammatory (CRIA) disorders and summarizes the clinical manifestations of respective diseases to help with the identification of new patients.
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Affiliation(s)
- Jiahui Zhang
- The Key Laboratory of Biosystems Homeostasis & Protection of Ministry of Education, Life Sciences Institute, Zhejiang University, Hangzhou, China.,Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
| | - Taijie Jin
- The Key Laboratory of Biosystems Homeostasis & Protection of Ministry of Education, Life Sciences Institute, Zhejiang University, Hangzhou, China.,Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
| | - Ivona Aksentijevich
- Inflammatory Disease Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, United States
| | - Qing Zhou
- The Key Laboratory of Biosystems Homeostasis & Protection of Ministry of Education, Life Sciences Institute, Zhejiang University, Hangzhou, China.,Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
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Katturajan R, Evan Prince S. A role of connexin 43 on the drug-induced liver, kidney, and gastrointestinal tract toxicity with associated signaling pathways. Life Sci 2021; 280:119629. [PMID: 34004253 DOI: 10.1016/j.lfs.2021.119629] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 05/04/2021] [Accepted: 05/11/2021] [Indexed: 12/25/2022]
Abstract
Drug-induced organ toxicity/injury, especially in the liver, kidney, and gastrointestinal tract, is a systematic disorder that causes oxidative stress formation and inflammation resulting in cell death and organ failure. Current therapies target reactive oxygen species (ROS) scavenging and inhibit inflammatory factors in organ injury to restore the functions and temporary relief. Organ cell function and tissue homeostasis are maintained through gap junction intercellular communication, regulating connexin hemichannels. Mis-regulation of such connexin, especially connexin (Cx) 43, affects a comprehensive process, including cell differentiation, inflammation, and cell death. Aim to describe knowledge about the importance of connexin role and insights therapeutic targeting. Cx43 misregulation has been implicated in recent decades in various diseases. Moreover, in recent years there is increasing evidence that Cx43 is involved in the toxicity process, including hepatic, renal, and gastrointestinal disorders. Cx43 has the potential to initiate the immune system to cause cell death, which has been activated in the acceleration of apoptosis, necroptosis, and autophagy signaling pathway. So far, therapies targeting Cx43 have been under inspection and are subjected to clinical trial phases. This review elucidates the role of Cx43 in drug-induced vital organ injury, and recent reports compromise its function in the major signaling pathways.
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Affiliation(s)
- Ramkumar Katturajan
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu, India.
| | - Sabina Evan Prince
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu, India.
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35
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Kim YM, Krantz S, Jambusaria A, Toth PT, Moon HG, Gunarathna I, Park GY, Rehman J. Mitofusin-2 stabilizes adherens junctions and suppresses endothelial inflammation via modulation of β-catenin signaling. Nat Commun 2021; 12:2736. [PMID: 33980844 PMCID: PMC8115264 DOI: 10.1038/s41467-021-23047-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 04/13/2021] [Indexed: 01/19/2023] Open
Abstract
Endothelial barrier integrity is ensured by the stability of the adherens junction (AJ) complexes comprised of vascular endothelial (VE)-cadherin as well as accessory proteins such as β-catenin and p120-catenin. Disruption of the endothelial barrier due to disassembly of AJs results in tissue edema and the influx of inflammatory cells. Using three-dimensional structured illumination microscopy, we observe that the mitochondrial protein Mitofusin-2 (Mfn2) co-localizes at the plasma membrane with VE-cadherin and β-catenin in endothelial cells during homeostasis. Upon inflammatory stimulation, Mfn2 is sulfenylated, the Mfn2/β-catenin complex disassociates from the AJs and Mfn2 accumulates in the nucleus where Mfn2 negatively regulates the transcriptional activity of β-catenin. Endothelial-specific deletion of Mfn2 results in inflammatory activation, indicating an anti-inflammatory role of Mfn2 in vivo. Our results suggest that Mfn2 acts in a non-canonical manner to suppress the inflammatory response by stabilizing cell-cell adherens junctions and by binding to the transcriptional activator β-catenin.
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Affiliation(s)
- Young-Mee Kim
- Division of Cardiology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA.
- Department of Pharmacology and Regenerative Medicine, University of Illinois at Chicago, Chicago, IL, USA.
- University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, USA.
| | - Sarah Krantz
- Division of Cardiology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
- Department of Pharmacology and Regenerative Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Ankit Jambusaria
- Division of Cardiology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
- Department of Pharmacology and Regenerative Medicine, University of Illinois at Chicago, Chicago, IL, USA
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Peter T Toth
- Department of Pharmacology and Regenerative Medicine, University of Illinois at Chicago, Chicago, IL, USA
- Research Resources Center, University of Illinois at Chicago, Chicago, IL, USA
| | - Hyung-Geun Moon
- Division of Pulmonary, Critical Care, Sleep and Allergy, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Isuru Gunarathna
- Division of Cardiology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Gye Young Park
- Division of Pulmonary, Critical Care, Sleep and Allergy, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Jalees Rehman
- Division of Cardiology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA.
- Department of Pharmacology and Regenerative Medicine, University of Illinois at Chicago, Chicago, IL, USA.
- University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, USA.
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, USA.
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36
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Riebeling T, Jamal K, Wilson R, Kolbrink B, von Samson-Himmelstjerna FA, Moerke C, Ramos Garcia L, Dahlke E, Michels F, Lühder F, Schunk D, Doldi P, Tyczynski B, Kribben A, Flüh C, Theilig F, Kunzendorf U, Meier P, Krautwald S. Primidone blocks RIPK1-driven cell death and inflammation. Cell Death Differ 2021; 28:1610-1626. [PMID: 33273695 PMCID: PMC7712602 DOI: 10.1038/s41418-020-00690-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 12/21/2022] Open
Abstract
The receptor-interacting serine/threonine protein kinase 1 (RIPK1) is a key mediator of regulated cell death and inflammation. Recent studies suggest that RIPK1 inhibition would fundamentally improve the therapy of RIPK1-dependent organ damage in stroke, myocardial infarction, kidney failure, and systemic inflammatory response syndrome. Additionally, it could ameliorate or prevent multi-organ failure induced by cytokine release in the context of hyperinflammation, as seen in COVID-19 patients. Therefore, we searched for a RIPK1 inhibitor and present the aromatic antiepileptic and FDA-approved drug primidone (Liskantin®) as a potent inhibitor of RIPK1 activation in vitro and in a murine model of TNFα-induced shock, which mimics the hyperinflammatory state of cytokine release syndrome. Furthermore, we detected for the first time RIPK1 activation in the respiratory tract epithelium of hospitalized patients who tested positive for SARS-CoV-2 infection. Our data provide a strong rationale for evaluating the drug primidone in conditions of hyperinflammation in humans.
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Affiliation(s)
- Theresa Riebeling
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Kunzah Jamal
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, Fulham Road, London, SW3 6JB, UK
- DDR Biology, Bioscience, Oncology R&D, AstraZeneca, Cambridge, UK
| | - Rebecca Wilson
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, Fulham Road, London, SW3 6JB, UK
| | - Benedikt Kolbrink
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | | | - Caroline Moerke
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Laura Ramos Garcia
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, Fulham Road, London, SW3 6JB, UK
| | - Eileen Dahlke
- Institute of Anatomy, Christian-Albrechts-University Kiel, 24118, Kiel, Germany
| | - Friederike Michels
- Department of Neurosurgery, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Fred Lühder
- Institute for Neuroimmunology and Multiple Sclerosis Research, University Medical Center Göttingen, 37075, Göttingen, Germany
| | - Domagoj Schunk
- Department of Emergency Medicine, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Philipp Doldi
- Medizinische Klinik und Poliklinik I, Ludwig-Maximilians-University Munich, 81377, Munich, Germany
| | - Bartosz Tyczynski
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, 45147, Essen, Germany
| | - Andreas Kribben
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, 45147, Essen, Germany
| | - Charlotte Flüh
- Department of Neurosurgery, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Franziska Theilig
- Institute of Anatomy, Christian-Albrechts-University Kiel, 24118, Kiel, Germany
| | - Ulrich Kunzendorf
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Pascal Meier
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, Fulham Road, London, SW3 6JB, UK
| | - Stefan Krautwald
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany.
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Stark K, Goncharov T, Varfolomeev E, Xie L, Ngu H, Peng I, Anderson KR, Verschueren E, Choi M, Kirkpatrick DS, Easton A, Webster JD, McKenzie BS, Vucic D, Bingol B. Genetic inactivation of RIP1 kinase activity in rats protects against ischemic brain injury. Cell Death Dis 2021; 12:379. [PMID: 33828080 PMCID: PMC8026634 DOI: 10.1038/s41419-021-03651-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/11/2021] [Accepted: 03/16/2021] [Indexed: 02/01/2023]
Abstract
RIP1 kinase-mediated inflammatory and cell death pathways have been implicated in the pathology of acute and chronic disorders of the nervous system. Here, we describe a novel animal model of RIP1 kinase deficiency, generated by knock-in of the kinase-inactivating RIP1(D138N) mutation in rats. Homozygous RIP1 kinase-dead (KD) rats had normal development, reproduction and did not show any gross phenotypes at baseline. However, cells derived from RIP1 KD rats displayed resistance to necroptotic cell death. In addition, RIP1 KD rats were resistant to TNF-induced systemic shock. We studied the utility of RIP1 KD rats for neurological disorders by testing the efficacy of the genetic inactivation in the transient middle cerebral artery occlusion/reperfusion model of brain injury. RIP1 KD rats were protected in this model in a battery of behavioral, imaging, and histopathological endpoints. In addition, RIP1 KD rats had reduced inflammation and accumulation of neuronal injury biomarkers. Unbiased proteomics in the plasma identified additional changes that were ameliorated by RIP1 genetic inactivation. Together these data highlight the utility of the RIP1 KD rats for target validation and biomarker studies for neurological disorders.
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Affiliation(s)
- Kimberly Stark
- grid.418158.10000 0004 0534 4718Department of Neuroscience, Genentech, South San Francisco, 94080 CA USA
| | - Tatiana Goncharov
- grid.418158.10000 0004 0534 4718Department of Early Discovery Biochemistry, Genentech, South San Francisco, 94080 CA USA
| | - Eugene Varfolomeev
- grid.418158.10000 0004 0534 4718Department of Early Discovery Biochemistry, Genentech, South San Francisco, 94080 CA USA
| | - Luke Xie
- grid.418158.10000 0004 0534 4718Department of Biomedical Imaging, Genentech, South San Francisco, 94080 CA USA
| | - Hai Ngu
- grid.418158.10000 0004 0534 4718Department of Pathology, Genentech, South San Francisco, 94080 CA USA
| | - Ivan Peng
- grid.418158.10000 0004 0534 4718Department of Translational Immunology, Genentech, South San Francisco, 94080 CA USA
| | - Keith R. Anderson
- grid.418158.10000 0004 0534 4718Department of Molecular Biology, Genentech, South San Francisco, 94080 CA USA
| | - Erik Verschueren
- grid.418158.10000 0004 0534 4718Department of Microchemistry, Proteomics and Lipidomics, Genentech, South San Francisco, 94080 CA USA
| | - Meena Choi
- grid.418158.10000 0004 0534 4718Department of Microchemistry, Proteomics and Lipidomics, Genentech, South San Francisco, 94080 CA USA
| | - Donald S. Kirkpatrick
- grid.418158.10000 0004 0534 4718Department of Microchemistry, Proteomics and Lipidomics, Genentech, South San Francisco, 94080 CA USA
| | - Amy Easton
- grid.418158.10000 0004 0534 4718Department of Neuroscience, Genentech, South San Francisco, 94080 CA USA
| | - Joshua D. Webster
- grid.418158.10000 0004 0534 4718Department of Pathology, Genentech, South San Francisco, 94080 CA USA
| | - Brent S. McKenzie
- grid.418158.10000 0004 0534 4718Department of Translational Immunology, Genentech, South San Francisco, 94080 CA USA
| | - Domagoj Vucic
- grid.418158.10000 0004 0534 4718Department of Early Discovery Biochemistry, Genentech, South San Francisco, 94080 CA USA
| | - Baris Bingol
- grid.418158.10000 0004 0534 4718Department of Neuroscience, Genentech, South San Francisco, 94080 CA USA
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Wu R, Wang N, Comish PB, Tang D, Kang R. Inflammasome-Dependent Coagulation Activation in Sepsis. Front Immunol 2021; 12:641750. [PMID: 33796108 PMCID: PMC8007875 DOI: 10.3389/fimmu.2021.641750] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 02/22/2021] [Indexed: 12/18/2022] Open
Abstract
Sepsis is a potentially life-threatening, pathological condition caused by a dysregulated host response to infection. Pathologically, systemic inflammation can initiate coagulation activation, leading to organ dysfunction, and ultimately to multiple organ failure and septic death. The inflammasomes are cytosolic multiprotein signaling complexes that control the host response to diverse pathogen-associated molecular patterns (PAMPs) from microorganisms as well as damage-associated molecular patterns (DAMPs) from dead or dying host cells. Recent studies highlight that the activation of canonical and non-canonical inflammasomes not only mediate the maturation and secretion of interleukin-1 (IL1) family cytokines, but also trigger the release of coagulation factor III, tissue factor (F3, best known as TF) in activated macrophages and monocytes. These emerging functions of inflammasomes in immunocoagulation are further positively regulated by stimulator of interferon response cGAMP interactor 1 (STING1, also known as STING or TMEM173, a hub of the innate immune signaling network) and high mobility group box 1 (HMGB1, a nuclear DAMP). This mini-review will discuss the regulation and function of inflammasome-dependent coagulation activation in sepsis.
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Affiliation(s)
- Runliu Wu
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Nian Wang
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Paul B Comish
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Daolin Tang
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Rui Kang
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, United States
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Ngamsri KC, Gamper-Tsigaras J, Reutershan J, Konrad FM. Fractalkine Is Linked to the Necrosome Pathway in Acute Pulmonary Inflammation. Front Med (Lausanne) 2021; 8:591790. [PMID: 33791319 PMCID: PMC8006293 DOI: 10.3389/fmed.2021.591790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 02/16/2021] [Indexed: 11/23/2022] Open
Abstract
Acute pulmonary inflammation affects over 10% of intensive care unit (ICU) patients and is associated with high mortality. Fractalkine (CX3CL1) and its receptor, CX3CR1, have been shown to affect pulmonary inflammation, but previous studies have focused on macrophages. In a murine model of acute pulmonary inflammation, we identified inflammatory hallmarks in C57BL/6J and CX3CR1−/− mice. Pulmonary inflammation was significantly enhanced in the CX3CR1−/− animals compared to the C57BL/6J animals, as assessed by microvascular permeability, polymorphonuclear neutrophil (PMN) migration into lung tissue and alveolar space. The CX3CR1−/− mice showed increased levels of apoptotic PMNs in the lungs, and further investigations revealed an increased activation of necrosome-related receptor-interacting serine/threonine-protein kinases 1 (RIPK1), 3 (RIPK3), and mixed-lineage kinase domain-like pseudokinase (MLKL). Phosphorylated MLKL leads to membrane rupture and damage-associated molecular pattern (DAMP) release, which further enhance inflammation. The release of DAMPs was significantly higher in the CX3CR1−/− mice and led to the activation of various cascades, explaining the increased inflammation. RIPK3 and MLKL inhibition improved the inflammatory response in human PMNs in vitro and confirmed our in vivo findings. In conclusion, we linked CX3CL1 to the necrosome complex in pulmonary inflammation and demonstrated a pivotal role of the necrosome complex in human PMNs.
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Affiliation(s)
- Kristian-Christos Ngamsri
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Tübingen, Tübingen, Germany
| | - Jutta Gamper-Tsigaras
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Tübingen, Tübingen, Germany
| | - Jörg Reutershan
- Department of Anesthesiology and Intensive Care Medicine, Hospital of Bayreuth, Bayreuth, Germany
| | - Franziska M Konrad
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Tübingen, Tübingen, Germany
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40
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Koike A. [Molecular Mechanism Underlying Inflammatory Cell Death via Necroptosis in M1 Macrophages]. YAKUGAKU ZASSHI 2020; 140:1427-1432. [PMID: 33268684 DOI: 10.1248/yakushi.20-00161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
M1 macrophages, also known as inflammatory macrophages, play an important role in the innate and adaptative immune responses against pathogens. However, the overactivation of these macrophages leads to the development and progression of various inflammatory diseases. Thus, the regulation of these macrophages is necessary to prevent such diseases. Necroptosis, a programmed form of necrosis, induces several damage-associated molecular patterns, such as high-mobility group box 1, adenosine triphosphate, and mitochondrial DNA, which activate various immune cells, thus leading to inflammation. Recent studies have shown that necroptosis in M1 macrophages is associated with inflammation in many pathological conditions. However, the molecular mechanisms underlying necroptosis in M1 macrophages are not completely understood. Thus, we examined the effects of a broad-spectrum caspase inhibitor, zVAD-fmk, on cell death in lipopolysaccharide (LPS)-induced M1 macrophages. Necrostatin-1, an inhibitor of necroptosis, partially inhibited zVAD-fmk-induced cell death and phosphorylation of mixed lineage kinase domain-like protein (MLKL) in M1 macrophages. Moreover, the inhibition of generation of reactive oxygen species (ROS) and activation of p38 mitogen-activated protein kinase (MAPK) reduced zVAD-fmk-induced necroptosis in M1 macrophages. Furthermore, the inhibition of ROS generation suppressed the activation of MLKL and p38 MAPK in zVAD-fmk-treated M1 macrophages. These results indicate that zVAD-fmk-induced cell death occurs via necroptosis through ROS-mediated activation of MLKL and p38 MAPK in M1 macrophages. Unraveling the molecular mechanisms of necroptosis in M1 macrophages might help understand their significance in inflammatory diseases.
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Affiliation(s)
- Atsushi Koike
- Department of Pathobiochemistry, Osaka University of Pharmaceutical Sciences
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41
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Cao L, Mu W. Necrostatin-1 and necroptosis inhibition: Pathophysiology and therapeutic implications. Pharmacol Res 2020; 163:105297. [PMID: 33181319 PMCID: PMC7962892 DOI: 10.1016/j.phrs.2020.105297] [Citation(s) in RCA: 110] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/17/2020] [Accepted: 11/03/2020] [Indexed: 12/12/2022]
Abstract
Necrostatin-1 (Nec-1) is a RIP1-targeted inhibitor of necroptosis, a form of programmed cell death discovered and investigated in recent years. There are already many studies demonstrating the essential role of necroptosis in various diseases, including inflammatory diseases, cardiovascular diseases and neurological diseases. However, the potential of Nec-1 in diseases has not received much attention. Nec-1 is able to inhibit necroptosis signaling pathway and thus ameliorate necroptotic cell death in disease development. Recent research findings indicate that Nec-1 could be applied in several types of diseases to alleviate disease development or improve prognosis. Moreover, we predict that Nec-1 has the potential to protect against the complications of coronavirus disease 2019 (COVID-19). This review summarized the effect of Nec-1 in disease models and the underlying molecular mechanism, providing research evidence for its future application.
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Affiliation(s)
- Liyuan Cao
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Wei Mu
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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42
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Ranaldi GT, Villani ER, Franza L. Rationale for ozone-therapy as an adjuvant therapy in COVID-19: a narrative review. Med Gas Res 2020; 10:134-138. [PMID: 33004712 PMCID: PMC8086623 DOI: 10.4103/2045-9912.289462] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19) is the respiratory disease caused by the novel severe acute respiratory syndrome-coronavirus-2 and is characterized by clinical manifestations ranging from mild, flu-like symptoms to severe respiratory insufficiency and multi-organ failure. Patients with more severe symptoms may require intensive care treatments and face a high mortality risk. Also, thrombotic complications such as pulmonary embolisms and disseminated intravascular coagulation are frequent in these patients. Indeed, COVID-19 is characterized by an abnormal inflammatory response resembling a cytokine storm, which is associated to endothelial dysfunction and microvascular complications. To date, no specific treatments are available for COVID-19 and its life-threatening complication. Immunomodulatory drugs, such as hydroxychloroquine and interleukin-6 inhibitors, as well as antithrombotic drugs such as heparin and low molecular weight heparin, are currently being administered with some benefit. Ozone therapy consists in the administration of a mixture of ozone and oxygen, called medical ozone, which has been used for over a century as an unconventional medicine practice for several diseases. Medical ozone rationale in COVID-19 is the possibility of contrasting endothelial dysfunction, modulating the immune response and acting as a virustatic agent. Thus, medical ozone could help to decrease lung inflammation, slow down viral growth, regulate lung circulation and oxygenation and prevent microvascular thrombosis. Ozone-therapy could be considered a feasible, cost-effective and easy to administer adjuvant therapy while waiting for the synthesis of a therapy or the development of the vaccine.
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Affiliation(s)
- Giovanni Tommaso Ranaldi
- Unità Operativa Semplice Dipartimentale Farmacologia Clinica e Sperimentazione Clinica, Azienda Sanitaria, Potenza, Italy
| | | | - Laura Franza
- Department of Emergency Medicine, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
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Dominguez S, Varfolomeev E, Brendza R, Stark K, Tea J, Imperio J, Ngu H, Earr T, Foreman O, Webster JD, Easton A, Vucic D, Bingol B. Genetic inactivation of RIP1 kinase does not ameliorate disease in a mouse model of ALS. Cell Death Differ 2020; 28:915-931. [PMID: 32994544 DOI: 10.1038/s41418-020-00625-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/07/2020] [Accepted: 09/11/2020] [Indexed: 12/20/2022] Open
Abstract
RIP1 kinase is proposed to play a critical role in driving necroptosis and inflammation in neurodegenerative disorders, including Amyotrophic Lateral Sclerosis (ALS). Preclinical studies indicated that while pharmacological inhibition of RIP1 kinase can ameliorate axonal pathology and delay disease onset in the mutant SOD1 transgenic (SOD1-Tg) mice, genetic blockade of necroptosis does not provide benefit in this mouse model. To clarify the role of RIP1 kinase activity in driving pathology in SOD1-Tg mice, we crossed SOD1-Tgs to RIP1 kinase-dead knock-in mice, and measured disease progression using functional and histopathological endpoints. Genetic inactivation of the RIP1 kinase activity in the SOD1-Tgs did not benefit the declining muscle strength or nerve function, motor neuron degeneration or neuroinflammation. In addition, we did not find evidence of phosphorylated RIP1 accumulation in the spinal cords of ALS patients. On the other hand, genetic inactivation of RIP1 kinase activity ameliorated the depletion of the neurotransmitter dopamine in a toxin model of dopaminergic neurodegeneration. These findings indicate that RIP1 kinase activity is dispensable for disease pathogenesis in the SOD1-Tg mice while inhibition of kinase activity may provide benefit in acute injury models.
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Affiliation(s)
- Sara Dominguez
- Department of Neuroscience, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Eugene Varfolomeev
- Department of Early Discovery Biochemistry, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Robert Brendza
- Department of Neuroscience, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Kim Stark
- Department of Neuroscience, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Joy Tea
- Department of Neuroscience, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Jose Imperio
- Department of Neuroscience, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Hai Ngu
- Department of Pathology, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Timothy Earr
- Department of Neuroscience, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Oded Foreman
- Department of Pathology, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Joshua D Webster
- Department of Pathology, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Amy Easton
- Department of Neuroscience, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Domagoj Vucic
- Department of Early Discovery Biochemistry, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Baris Bingol
- Department of Neuroscience, Genentech, Inc., South San Francisco, CA, 94080, USA.
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44
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Liu L, Lalaoui N. 25 years of research put RIPK1 in the clinic. Semin Cell Dev Biol 2020; 109:86-95. [PMID: 32938551 DOI: 10.1016/j.semcdb.2020.08.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/17/2020] [Accepted: 08/17/2020] [Indexed: 01/09/2023]
Abstract
Receptor Interacting Protein Kinase 1 (RIPK1) is a key regulator of inflammation. To warrant cell survival and appropriate immune responses, RIPK1 is post-translationally regulated by ubiquitylations, phosphorylations and caspase-8-mediated cleavage. Dysregulations of these post-translational modifications switch on the pro-death function of RIPK1 and can cause inflammatory diseases in humans. Conversely, activation of RIPK1 cytotoxicity can be advantageous for cancer treatment. Small molecules targeting RIPK1 are under development for the treatment of cancer, inflammatory and neurogenerative disorders. We will discuss the molecular mechanisms controlling the functions of RIPK1, its pathologic role in humans and the therapeutic opportunities in targeting RIPK1, specifically in the context of inflammatory diseases and cancers.
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Affiliation(s)
- Lin Liu
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia; Department of Medical Biology, University of Melbourne, Parkville, Victoria 3050, Australia
| | - Najoua Lalaoui
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia; Department of Medical Biology, University of Melbourne, Parkville, Victoria 3050, Australia.
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45
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Kolbrink B, Riebeling T, Kunzendorf U, Krautwald S. Plasma Membrane Pores Drive Inflammatory Cell Death. Front Cell Dev Biol 2020; 8:817. [PMID: 32974349 PMCID: PMC7471660 DOI: 10.3389/fcell.2020.00817] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 08/03/2020] [Indexed: 01/08/2023] Open
Abstract
Necroptosis and pyroptosis are two forms of regulated cell death. They are executed by the proteins mixed-lineage kinase domain-like (MLKL) and gasdermin D (GSDMD), respectively. Once activated by numerous pathways, these proteins form membrane pores that allow the influx and efflux of various ions, proteins, and water, ultimately resulting in the death of the cell. These modalities of cell death are considered highly inflammatory because of the release of inflammatory cytokines and damage-associated molecular patterns, and are thereby not only deleterious for the dying cell itself, but also its environment or the entire organism. The relevance for these processes has been observed in various physiological and pathophysiological conditions, ranging from viral and bacterial infections over autoimmune and chronic inflammatory diseases to ischemic organ damage. In recent years, initial in vitro experiments have shed light on a range of connections between necroptosis and pyroptosis. Initial in vivo studies also indicate that, in many disease models, these two forms of cell death cannot be considered individually, as they demonstrate a complex interaction. In this article, we provide an overview of the currently known structure, pathways of activation, and functions of MLKL and GSDMD. With emerging evidence for an interconnection between necroptosis and pyroptosis in not only in vitro, but also in vivo models of disease, we highlight in particular the clinical relevance of the crosslinks between these two forms of inflammatory cell death and their implications for novel therapeutic strategies in a variety of diseases.
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Affiliation(s)
- Benedikt Kolbrink
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Theresa Riebeling
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Ulrich Kunzendorf
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Stefan Krautwald
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, Kiel, Germany
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46
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Mifflin L, Ofengeim D, Yuan J. Receptor-interacting protein kinase 1 (RIPK1) as a therapeutic target. Nat Rev Drug Discov 2020; 19:553-571. [PMID: 32669658 PMCID: PMC7362612 DOI: 10.1038/s41573-020-0071-y] [Citation(s) in RCA: 219] [Impact Index Per Article: 54.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2020] [Indexed: 02/08/2023]
Abstract
Receptor-interacting serine/threonine-protein kinase 1 (RIPK1) is a key mediator of cell death and inflammation. The unique hydrophobic pocket in the allosteric regulatory domain of RIPK1 has enabled the development of highly selective small-molecule inhibitors of its kinase activity, which have demonstrated safety in preclinical models and clinical trials. Potential applications of these RIPK1 inhibitors for the treatment of monogenic and polygenic autoimmune, inflammatory, neurodegenerative, ischaemic and acute conditions, such as sepsis, are emerging. This article reviews RIPK1 biology and disease-associated mutations in RIPK1 signalling pathways, highlighting clinical trials of RIPK1 inhibitors and potential strategies to mitigate development challenges. Receptor-interacting serine/threonine-protein kinase 1 (RIPK1) — a key mediator of cell death and inflammation — is activated in human diseases. Here, Yuan and colleagues discuss current understanding of RIPK1 biology and its association with diseases including inflammatory and autoimmune disorders, neurodegenerative diseases and sepsis. The clinical development of small-molecule RIPK1 inhibitors and associated challenges are discussed.
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Affiliation(s)
- Lauren Mifflin
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Dimitry Ofengeim
- Rare and Neurologic Disease Research, Sanofi, Framingham, MA, USA
| | - Junying Yuan
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA.
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47
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Subramanian S, Geng H, Tan XD. Cell death of intestinal epithelial cells in intestinal diseases. SHENG LI XUE BAO : [ACTA PHYSIOLOGICA SINICA] 2020; 72:308-324. [PMID: 32572429 PMCID: PMC7755516 DOI: pmid/32572429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Gut injury continues to be the devastating and unpredictable critical illness associated with increased cell death of intestinal epithelial cells (IECs). The IECs, immune system and microbiome are the interrelated entities to maintain normal intestinal homeostasis and barrier integrity. In response to microbial invasion, IEC cell death occurs to maintain intestinal epithelium function and retain the continuous renewal and tissue homeostasis. But the imbalance of IEC cell death results in increased intestinal permeability and barrier dysfunction that leads to several acute and chronic intestinal diseases, such as intestinal ischemia/reperfusion (I/R), sepsis, inflammatory bowel diseases (IBD), necrotizing enterocolitis (NEC), etc. During the pathophysiological state, the excessive IEC apoptotic cell death leads to a chronic inflammatory condition, later switches to necroptotic cell death mechanism that induces more pathological features than apoptosis and may also induce other lytic cell death mechanisms like pyroptosis and ferroptosis to increase the pathogenesis of the intestinal diseases. But still, there remains gaps in the fundamental knowledge about the IEC cell death mechanisms in chronic intestinal diseases. Together, a deep understanding of the specific cell death mechanisms underlying chronic intestinal diseases, including sepsis, IBD, NEC, and intestinal I/R, is desperately needed to develop emerging novel promising therapeutic strategies. This review aims to show how the acute and critical illness in the gut are driven by IEC cell death mechanism, such as apoptosis, necrosis, necroptosis, pyroptosis, and ferroptosis.
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Affiliation(s)
- Saravanan Subramanian
- Center for Intestinal and Liver Inflammation Research, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois 60611, USA
- Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
| | - Hua Geng
- Center for Intestinal and Liver Inflammation Research, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois 60611, USA
- Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
| | - Xiao-Di Tan
- Center for Intestinal and Liver Inflammation Research, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois 60611, USA
- Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA.
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48
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Smith HG, Jamal K, Dayal JHS, Tenev T, Kyula‐Currie J, Guppy N, Gazinska P, Roulstone V, Liccardi G, Davies E, Roxanis I, Melcher AA, Hayes AJ, Inman GJ, Harrington KJ, Meier P. RIPK1-mediated immunogenic cell death promotes anti-tumour immunity against soft-tissue sarcoma. EMBO Mol Med 2020; 12:e10979. [PMID: 32419365 PMCID: PMC7278545 DOI: 10.15252/emmm.201910979] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 04/15/2020] [Accepted: 04/20/2020] [Indexed: 11/09/2022] Open
Abstract
Drugs that mobilise the immune system against cancer are dramatically improving care for many people. Dying cancer cells play an active role in inducing anti-tumour immunity but not every form of death can elicit an immune response. Moreover, resistance to apoptosis is a major problem in cancer treatment and disease control. While the term "immunogenic cell death" is not fully defined, activation of receptor-interacting serine/threonine-protein kinase 1 (RIPK1) can induce a type of death that mobilises the immune system against cancer. However, no clinical treatment protocols have yet been established that would harness the immunogenic potential of RIPK1. Here, we report the first pre-clinical application of an in vivo treatment protocol for soft-tissue sarcoma that directly engages RIPK1-mediated immunogenic cell death. We find that RIPK1-mediated cell death significantly improves local disease control, increases activation of CD8+ T cells as well as NK cells, and enhances the survival benefit of immune checkpoint blockade. Our findings warrant a clinical trial to assess the survival benefit of RIPK1-induced cell death in patients with advanced disease at limb extremities.
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Affiliation(s)
- Henry G Smith
- Targeted Therapy TeamThe Institute of Cancer ResearchLondonUK
| | - Kunzah Jamal
- The Breast Cancer Now Toby Robins Research CentreThe Institute of Cancer ResearchLondonUK
| | | | - Tencho Tenev
- The Breast Cancer Now Toby Robins Research CentreThe Institute of Cancer ResearchLondonUK
| | | | - Naomi Guppy
- The Breast Cancer Now Toby Robins Research CentreThe Institute of Cancer ResearchLondonUK
| | - Patrycja Gazinska
- The Breast Cancer Now Toby Robins Research CentreThe Institute of Cancer ResearchLondonUK
| | | | - Gianmaria Liccardi
- The Breast Cancer Now Toby Robins Research CentreThe Institute of Cancer ResearchLondonUK
| | - Emma Davies
- Targeted Therapy TeamThe Institute of Cancer ResearchLondonUK
| | - Ioannis Roxanis
- The Breast Cancer Now Toby Robins Research CentreThe Institute of Cancer ResearchLondonUK
- Cancer Research UK Beatson InstituteGlasgowUK
- Division of Molecular PathologyThe Institute of Cancer ResearchLondonUK
- Royal Free London NHS Foundation TrustLondonUK
| | - Alan A Melcher
- The Translational Immunology TeamThe Institute of Cancer ResearchLondonUK
| | - Andrew J Hayes
- The Sarcoma and Melanoma UnitThe Royal Marsden HospitalLondonUK
| | - Gareth J Inman
- Cancer Research UK Beatson InstituteGlasgowUK
- Institute of Cancer SciencesUniversity of GlasgowGlasgowUK
| | | | - Pascal Meier
- The Breast Cancer Now Toby Robins Research CentreThe Institute of Cancer ResearchLondonUK
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RIPK3 collaborates with GSDMD to drive tissue injury in lethal polymicrobial sepsis. Cell Death Differ 2020; 27:2568-2585. [PMID: 32152555 DOI: 10.1038/s41418-020-0524-1] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 02/21/2020] [Accepted: 02/21/2020] [Indexed: 12/24/2022] Open
Abstract
Sepsis is a systemic inflammatory disease causing life-threatening multi-organ dysfunction. Accumulating evidences suggest that two forms of programmed necrosis, necroptosis and pyroptosis triggered by the pathogen component lipopolysaccharide (LPS) and inflammatory cytokines, play important roles in the development of bacterial sepsis-induced shock and tissue injury. Sepsis-induced shock and tissue injury required receptor-interacting protein kinase-3 (RIPK3) and mixed lineage kinase domain-like protein (MLKL) phosphorylation, caspase11 activation and gasdermin D (GSDMD) cleavage. However, the synergistic effect of necroptosis and pyroptosis in the pathological progress of sepsis remains elusive. In this study, we found that blockage of both necroptosis and pyroptosis (double deletion of Ripk3/Gsdmd or Mlkl/Gsdmd) resulted in accumulative protection against septic shock, systemic blood clotting and multi-organ injury in mice. Bone marrow transplantation confirmed that necroptosis and pyroptosis in both myeloid and nonmyeloid cells are indispensable in the progression of sepsis-induced multi-organ injury. Both RIPK3 and GSDMD signaling collaborated to amplify necroinflammation and tissue factor release in macrophages and endothelial cells, which led to tissue injury. Furthermore, cell death induced by inflammatory cytokines and high-mobility group box 1 could be prevented by double ablation of Ripk3/Gsdmd or Mlkl/Gsdmd, suggesting that a positive feedback loop interconnecting RIPK3/MLKL and GSDMD machinery and inflammation facilitated sepsis progression. Collectively, our findings demonstrated that RIPK3-mediated necroptosis and GSDMD-mediated pyroptosis collaborated to amply inflammatory signaling and enhance tissue injury in the process of sepsis, which may shed new light on two potential targets of combined therapeutic interventions for this highly lethal disorder.
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50
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Gu C, Hou C, Zhang S. miR-425-5p improves inflammation and septic liver damage through negatively regulating the RIP1-mediated necroptosis. Inflamm Res 2020; 69:299-308. [PMID: 32002587 DOI: 10.1007/s00011-020-01321-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/12/2020] [Accepted: 01/14/2020] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVE AND DESIGN Sepsis, a systemic inflammatory response syndrome, is still a common cause of death even the patients who are in the intensive care unit. Alleviating septic liver damage may be effective in improving sepsis. Necroptosis and miRNAs have been regarded as a potential target in sepsis. MATERIAL OR SUBJECTS The aim of this work is to explain the potential role of miR-425-5p in septic liver damage. LPS was intraperitoneal-injection to C57BL/6 mice for sepsis, and hepatocytes treated with septic serum in vitro. H&E staining for histological evaluation, luciferase reporter assay for target validation, and qRT-PCR, WB, and ELISA analysis for assessment of miR-425-5p, RIP1, inflammatory factors, and LDH levels. RESULTS Down-regulated miR-425-5p and up-regulated RIP1/RIP3 were in LPS-induced sepsis mice. Liver damage, RIP1-mediated necroptosis, IL-1β, and TNF-α were suppressed by miR-425-5p agomiR, but further aggravated by miR-425-5p antagomiR. Furthermore, we demonstrated miR-425-5p targeted the 3'UTR of RIP1 mRNA to inhibit RIP1 expression and activated RIP1 reversed miR-425-5p-induced suppression of necroptosis and inflammation in septic hepatocytes. CONCLUSIONS The data suggest miR-425-5p negatively controls the RIP1-mediated necroptotic signaling cascades and inflammation, and sepsis-related liver damage. miR-425-5p/RIP1 axis is a potential therapeutic strategy for sepsis-related liver damage through necroptosis and inflammation.
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Affiliation(s)
- Changwei Gu
- Department of Emergency, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi, China
| | - Chongzhi Hou
- Department of General Surgery, Xi'an Children's Hospital, Xi'an, 710002, Shaanxi, China
| | - Sheng Zhang
- Department of General Surgery, Xi'an Children's Hospital, Xi'an, 710002, Shaanxi, China.
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