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Liu Q, Liu C, He Q, Wang L, Song L. The involvement of CgRHIM-containing protein in regulating haemocyte apoptosis after high temperature stress in Pacific oyster Crassostrea gigas. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 159:105226. [PMID: 38992733 DOI: 10.1016/j.dci.2024.105226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 07/05/2024] [Accepted: 07/07/2024] [Indexed: 07/13/2024]
Abstract
The interactions induced by RIP homotypic interaction motif (RHIM) are essential for the activation of inflammatory signaling and certain cell death pathways. In the present study, a RHIM-containing protein was identified from Pacific oyster Crassostrea gigas, which harbored a RHIM domain and a Death domain (designated CgRHIM-containing protein). The mRNA transcripts of CgRHIM-containing protein were constitutively expressed in all the examined tissues of oysters, with the highest expression level in mantle. The CgRHIM-containing protein was mainly distributed in the cytoplasm of oyster haemocytes. After high temperature stress, the expression levels of CgRel and CgBcl-2 increased significantly, and reached the peak level at 12 h, then decreased gradually. The transcripts of CgRHIM-containing protein, Cgcaspase-8 and Cgcaspase-3 in haemocytes up-regulated at 12 h after high temperature stress. Moreover, the protein abundance of CgRHIM-containing protein increased significantly, and the ubiquitination level of CgRHIM-containing protein in haemocytes showed an increasing trend at first and then decreased. After the expression of CgRHIM-containing protein was knocked down by siRNA, the mRNA expression levels of CgRel and CgBcl-2 decreased significantly at 6 h after high temperature stress, and those of CgFADD-like, Cgcaspase-8 and Cgcaspase-3, as well as the apoptosis rate of haemocytes also decreased significantly at 24 h. These results indicated that CgRHIM-containing protein might regulate haemocyte apoptosis in oysters upon high temperature stress via mediating the expression of Rel, Bcl-2 and caspase-8/3.
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Affiliation(s)
- Qian Liu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, China
| | - Chang Liu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, China.
| | - Qianqian He
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China; Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, China.
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China; Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, China
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2
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Imai T, Lin J, Kaya GG, Ju E, Kondylis V, Kelepouras K, Liccardi G, Kim C, Pasparakis M. The RIPK1 death domain restrains ZBP1- and TRIF-mediated cell death and inflammation. Immunity 2024; 57:1497-1513.e6. [PMID: 38744293 DOI: 10.1016/j.immuni.2024.04.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 02/05/2024] [Accepted: 04/17/2024] [Indexed: 05/16/2024]
Abstract
RIPK1 is a multi-functional kinase that regulates cell death and inflammation and has been implicated in the pathogenesis of inflammatory diseases. RIPK1 acts in a kinase-dependent and kinase-independent manner to promote or suppress apoptosis and necroptosis, but the underlying mechanisms remain poorly understood. Here, we show that a mutation (R588E) disrupting the RIPK1 death domain (DD) caused perinatal lethality induced by ZBP1-mediated necroptosis. Additionally, these mice developed postnatal inflammatory pathology, which was mediated by necroptosis-independent TNFR1, TRADD, and TRIF signaling, partially requiring RIPK3. Our biochemical mechanistic studies revealed that ZBP1- and TRIF-mediated activation of RIPK3 required RIPK1 kinase activity in wild-type cells but not in Ripk1R588E/R588E cells, suggesting that DD-dependent oligomerization of RIPK1 and its interaction with FADD determine the mechanisms of RIPK3 activation by ZBP1 and TRIF. Collectively, these findings revealed a critical physiological role of DD-dependent RIPK1 signaling that is important for the regulation of tissue homeostasis and inflammation.
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Affiliation(s)
- Takashi Imai
- Institute for Genetics, University of Cologne, 50674 Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany
| | - Juan Lin
- Institute for Genetics, University of Cologne, 50674 Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany; Research Unit of Cellular Stress of Chinese Academy of Medical Sciences, Cancer Research Center of Xiamen University, School of Medicine, Xiamen University, Xiamen, China.
| | - Göksu Gökberk Kaya
- Institute for Genetics, University of Cologne, 50674 Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany
| | - Eunjin Ju
- Institute for Genetics, University of Cologne, 50674 Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany
| | - Vangelis Kondylis
- Center for Molecular Medicine (CMMC), University of Cologne, 50931 Cologne, Germany; Institute of Pathology, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
| | - Konstantinos Kelepouras
- Institute of Biochemistry I, Center for Biochemistry, Faculty of Medicine, University of Cologne, Joseph-Stelzmann-Str. 52, 50931 Cologne, Germany
| | - Gianmaria Liccardi
- Center for Molecular Medicine (CMMC), University of Cologne, 50931 Cologne, Germany; Institute of Biochemistry I, Center for Biochemistry, Faculty of Medicine, University of Cologne, Joseph-Stelzmann-Str. 52, 50931 Cologne, Germany
| | - Chun Kim
- Institute for Genetics, University of Cologne, 50674 Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany; Department of Medicinal and Life Sciences, Hanyang University (ERICA Campus), Ansan 15588, Republic of Korea
| | - Manolis Pasparakis
- Institute for Genetics, University of Cologne, 50674 Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany; Center for Molecular Medicine (CMMC), University of Cologne, 50931 Cologne, Germany.
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3
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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; 16:1717-1749. [PMID: 38750308 PMCID: PMC11250867 DOI: 10.1038/s44321-024-00074-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 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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4
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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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5
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Makuch M, Stepanechko M, Bzowska M. The dance of macrophage death: the interplay between the inevitable and the microenvironment. Front Immunol 2024; 15:1330461. [PMID: 38576612 PMCID: PMC10993711 DOI: 10.3389/fimmu.2024.1330461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 02/26/2024] [Indexed: 04/06/2024] Open
Abstract
Macrophages are highly plastic cells ubiquitous in various tissues, where they perform diverse functions. They participate in the response to pathogen invasion and inflammation resolution following the immune response, as well as the maintenance of homeostasis and proper tissue functions. Macrophages are generally considered long-lived cells with relatively strong resistance to numerous cytotoxic factors. On the other hand, their death seems to be one of the principal mechanisms by which macrophages perform their physiological functions or can contribute to the development of certain diseases. In this review, we scrutinize three distinct pro-inflammatory programmed cell death pathways - pyroptosis, necroptosis, and ferroptosis - occurring in macrophages under specific circumstances, and explain how these cells appear to undergo dynamic yet not always final changes before ultimately dying. We achieve that by examining the interconnectivity of these cell death types, which in macrophages seem to create a coordinated and flexible system responding to the microenvironment. Finally, we discuss the complexity and consequences of pyroptotic, necroptotic, and ferroptotic pathway induction in macrophages under two pathological conditions - atherosclerosis and cancer. We summarize damage-associated molecular patterns (DAMPs) along with other microenvironmental factors, macrophage polarization states, associated mechanisms as well as general outcomes, as such a comprehensive look at these correlations may point out the proper methodologies and potential therapeutic approaches.
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Affiliation(s)
| | | | - Małgorzata Bzowska
- Department of Immunology, Faculty of Biochemistry, Biophysics, and Biotechnology, Jagiellonian University, Kraków, Poland
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6
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Cao Z, Min X, Xie X, Huang M, Liu Y, Sun W, Xu G, He M, He K, Li Y, Yuan J. RIPK1 activation in Mecp2-deficient microglia promotes inflammation and glutamate release in RTT. Proc Natl Acad Sci U S A 2024; 121:e2320383121. [PMID: 38289948 PMCID: PMC10861890 DOI: 10.1073/pnas.2320383121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 12/27/2023] [Indexed: 02/01/2024] Open
Abstract
Rett syndrome (RTT) is a devastating neurodevelopmental disorder primarily caused by mutations in the methyl-CpG binding protein 2 (Mecp2) gene. Here, we found that inhibition of Receptor-Interacting Serine/Threonine-Protein Kinase 1 (RIPK1) kinase ameliorated progression of motor dysfunction after onset and prolonged the survival of Mecp2-null mice. Microglia were activated early in myeloid Mecp2-deficient mice, which was inhibited upon inactivation of RIPK1 kinase. RIPK1 inhibition in Mecp2-deficient microglia reduced oxidative stress, cytokines production and induction of SLC7A11, SLC38A1, and GLS, which mediate the release of glutamate. Mecp2-deficient microglia release high levels of glutamate to impair glutamate-mediated excitatory neurotransmission and promote increased levels of GluA1 and GluA2/3 proteins in vivo, which was reduced upon RIPK1 inhibition. Thus, activation of RIPK1 kinase in Mecp2-deficient microglia may be involved both in the onset and progression of RTT.
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Affiliation(s)
- Ze Cao
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
- Shanghai Key Laboratory of Aging Studies, Shanghai201210, China
| | - Xia Min
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Xingxing Xie
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Maoqing Huang
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Yingying Liu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Weimin Sun
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
- Shanghai Key Laboratory of Aging Studies, Shanghai201210, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Guifang Xu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
| | - Miao He
- Institutes of Brain Science, Department of Neurology, State Key Laboratory of Medical Neurobiology and Ministry of Education Frontiers Center for Brain Science, Zhongshan Hospital, Fudan University, Shanghai200032, China
| | - Kaiwen He
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Ying Li
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
- Shanghai Key Laboratory of Aging Studies, Shanghai201210, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Junying Yuan
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai201203, China
- Shanghai Key Laboratory of Aging Studies, Shanghai201210, China
- University of Chinese Academy of Sciences, Beijing100049, China
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7
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Qin Y, Li D, Qi C, Xiang H, Meng H, Liu J, Zhou S, Gong X, Li Y, Xu G, Zu R, Xie H, Xu Y, Xu G, Zhang Z, Chen S, Pan L, Li Y, Tan L. Structure-based development of potent and selective type-II kinase inhibitors of RIPK1. Acta Pharm Sin B 2024; 14:319-334. [PMID: 38261830 PMCID: PMC10793102 DOI: 10.1016/j.apsb.2023.10.021] [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: 05/21/2023] [Revised: 10/21/2023] [Accepted: 10/26/2023] [Indexed: 01/25/2024] Open
Abstract
Receptor-interacting serine/threonine-protein kinase 1 (RIPK1) functions as a key regulator in inflammation and cell death and is involved in mediating a variety of inflammatory or degenerative diseases. A number of allosteric RIPK1 inhibitors (RIPK1i) have been developed, and some of them have already advanced into clinical evaluation. Recently, selective RIPK1i that interact with both the allosteric pocket and the ATP-binding site of RIPK1 have started to emerge. Here, we report the rational development of a new series of type-II RIPK1i based on the rediscovery of a reported but mechanistically atypical RIPK3i. We also describe the structure-guided lead optimization of a potent, selective, and orally bioavailable RIPK1i, 62, which exhibits extraordinary efficacies in mouse models of acute or chronic inflammatory diseases. Collectively, 62 provides a useful tool for evaluating RIPK1 in animal disease models and a promising lead for further drug development.
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Affiliation(s)
- Ying Qin
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dekang Li
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chunting Qi
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
| | - Huaijiang Xiang
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huyan Meng
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jingli Liu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
| | - Shaoqing Zhou
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xinyu Gong
- University of Chinese Academy of Sciences, Beijing 100049, China
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Ying Li
- University of Chinese Academy of Sciences, Beijing 100049, China
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Guifang Xu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
| | - Rui Zu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
| | - Hang Xie
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yechun Xu
- University of Chinese Academy of Sciences, Beijing 100049, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Gang Xu
- Institute of Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, the Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen 518112, China
| | - Zheng Zhang
- Institute of Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, the Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen 518112, China
| | - Shi Chen
- Department of Burn and Plastic Surgery, Shenzhen Institute of Translational Medicine, Shenzhen University Medical School, Shenzhen Second People’s Hospital, the First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - Lifeng Pan
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Ying Li
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
| | - Li Tan
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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8
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Zhang HL, Sandai D, Zhang ZW, Song ZJ, Babu D, Tabana Y, Dahham SS, Adam Ahmed Adam M, Wang Y, Wang W, Zhang HL, Zhao R, Barakat K, Harun MSR, Shapudin SNM, Lok B. Adenosine triphosphate induced cell death: Mechanisms and implications in cancer biology and therapy. World J Clin Oncol 2023; 14:549-569. [PMID: 38179405 PMCID: PMC10762532 DOI: 10.5306/wjco.v14.i12.549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/08/2023] [Accepted: 11/21/2023] [Indexed: 12/22/2023] Open
Abstract
Adenosine triphosphate (ATP) induced cell death (AICD) is a critical cellular process that has garnered substantial scientific interest for its profound relevance to cancer biology and to therapeutic interventions. This comprehensive review unveils the intricate web of AICD mechanisms and their intricate connections with cancer biology. This review offers a comprehensive framework for comprehending the multifaceted role of AICD in the context of cancer. This is achieved by elucidating the dynamic interplay between systemic and cellular ATP homeostasis, deciphering the intricate mechanisms governing AICD, elucidating its intricate involvement in cancer signaling pathways, and scrutinizing validated key genes. Moreover, the exploration of AICD as a potential avenue for cancer treatment underscores its essential role in shaping the future landscape of cancer therapeutics.
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Affiliation(s)
- Hao-Ling Zhang
- Department of Biomedical Science, Advanced Medical and Dental Institute, University Sains Malaysia, Penang 13200, Malaysia
| | - Doblin Sandai
- Department of Biomedical Science, Advanced Medical and Dental Institute, University Sains Malaysia, Penang 13200, Malaysia
| | - Zhong-Wen Zhang
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu Province, China
| | - Zhi-Jing Song
- Clinical College of Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu Province, China
| | - Dinesh Babu
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton AB T6G 2E1, Canada
| | - Yasser Tabana
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton AB T6G 2E1, Canada
| | - Sabbar Saad Dahham
- Department of Science, University of Technology and Applied Sciences Rustaq, Rustaq 10 P.C. 329, Oman
| | - Mowaffaq Adam Ahmed Adam
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, CA 92182, United States
| | - Yong Wang
- Pathology Center, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu Province, China
| | - Wei Wang
- College of Acupuncture-Moxibustion and Tuina, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu Province, China
| | - Hao-Long Zhang
- Department of Biomedical Science, Advanced Medical and Dental Institute, University Sains Malaysia, Penang 13200, Malaysia
| | - Rui Zhao
- Clinical College of Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu Province, China
| | - Khaled Barakat
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton AB T6G 2E1, Canada
| | - Mohammad Syamsul Reza Harun
- Department of Biomedical Science, Advanced Medical and Dental Institute, University Sains Malaysia, Penang 13200, Malaysia
| | - Siti Nurfatimah Mohd Shapudin
- Department of Biomedical Science, Advanced Medical and Dental Institute, University Sains Malaysia, Penang 13200, Malaysia
| | - Bronwyn Lok
- Department of Biomedical Science, Advanced Medical and Dental Institute, University Sains Malaysia, Penang 13200, Malaysia
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9
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Yang C, Yuan R, Brauner C, Du Y, Ah Kioon MD, Barrat FJ, Ivashkiv LB. Dichotomous roles of RIPK3 in regulating the IFN response and NLRP3 inflammasome in human monocytes. J Leukoc Biol 2023; 114:615-629. [PMID: 37648661 PMCID: PMC10723620 DOI: 10.1093/jleuko/qiad095] [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: 01/29/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 09/01/2023] Open
Abstract
Regulation of the profile and magnitude of toll-like receptor (TLR) responses is important for effective host defense against infections while minimizing inflammatory toxicity. The chemokine CXCL4 regulates the TLR8 response to amplify inflammatory gene and inflammasome activation while attenuating the interferon (IFN) response in primary monocytes. In this study, we describe an unexpected role for the kinase RIPK3 in suppressing the CXCL4 + TLR8-induced IFN response and providing signal 2 to activate the NLRP3 inflammasome and interleukin (IL)-1 production in primary human monocytes. RIPK3 also amplifies induction of inflammatory genes such as TNF, IL6, and IL1B while suppressing IL12B. Mechanistically, RIPK3 inhibits STAT1 activation and activates PI3K-Akt-dependent and XBP1- and NRF2-mediated stress responses to regulate downstream genes in a dichotomous manner. These findings identify new functions for RIPK3 in modulating TLR responses and provide potential mechanisms by which RIPK3 plays roles in inflammatory diseases and suggest targeting RIPK3 and XBP1- and NRF2-mediated stress responses as therapeutic strategies to suppress inflammation while preserving the IFN response for host defense.
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Affiliation(s)
- Chao Yang
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, 535 E 70th St, New York, NY 10021, United States
| | - Ruoxi Yuan
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, 535 E 70th St, New York, NY 10021, United States
| | - Caroline Brauner
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, 535 E 70th St, New York, NY 10021, United States
| | - Yong Du
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, 535 E 70th St, New York, NY 10021, United States
- Department of Microbiology and Immunology, Weill Cornell Medicine, 1300 York Avenue, Box 62, New York, NY 10065, United States
| | - Marie Dominique Ah Kioon
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, 535 E 70th St, New York, NY 10021, United States
| | - Franck J. Barrat
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, 535 E 70th St, New York, NY 10021, United States
- Department of Microbiology and Immunology, Weill Cornell Medicine, 1300 York Avenue, Box 62, New York, NY 10065, United States
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, 1300 York Avenue, Box 65, New York, NY 10065, United States
| | - Lionel B. Ivashkiv
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, 535 E 70th St, New York, NY 10021, United States
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, 1300 York Avenue, Box 65, New York, NY 10065, United States
- Department of Medicine, Weill Cornell Medicine, 530 East 70th Street, M-522, New York, NY 10021, United States
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10
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Xinyu W, Qian W, Yanjun W, Jingwen K, Keying X, Jiazheng J, Haibing Z, Kai W, Xiao X, Lixing Z. Polarity protein AF6 functions as a modulator of necroptosis by regulating ubiquitination of RIPK1 in liver diseases. Cell Death Dis 2023; 14:673. [PMID: 37828052 PMCID: PMC10570300 DOI: 10.1038/s41419-023-06170-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 08/07/2023] [Accepted: 09/21/2023] [Indexed: 10/14/2023]
Abstract
AF6, a known polarity protein, contributes to the maintenance of homeostasis while ensuring tissue architecture, repair, and integrity. Mice that lack AF6 display embryonic lethality owing to cell-cell junction disruption. However, we show AF6 promotes necroptosis via regulating the ubiquitination of RIPK1 by directly interact with the intermediate domain of RIPK1, which was mediated by the deubiquitylase enzyme USP21. Consistently, while injection of mice with an adenovirus providing AF6 overexpression resulted in accelerated TNFα-induced necroptosis-mediated mortality in vivo, we observed that mice with hepatocyte-specific deletion of AF6 prevented hepatocytes from necroptosis and the subsequent inflammatory response in various liver diseases model, including non-alcoholic steatohepatitis (NASH) and the systemic inflammatory response syndrome (SIRS).Together, these data suggest that AF6 represents a novel regulator of RIPK1-RIPK3 dependent necroptotic pathway. Thus, the AF6-RIPK1-USP21 axis are potential therapeutic targets for treatment of various liver injuries and metabolic diseases.
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Affiliation(s)
- Wang Xinyu
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Wen Qian
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Wu Yanjun
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Kong Jingwen
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xu Keying
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Jiao Jiazheng
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Zhang Haibing
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.
| | - Wang Kai
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China.
| | - Xu Xiao
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China.
| | - Zhan Lixing
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.
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11
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Ni R, Luo Y, Jiang L, Mao X, Feng Y, Tuersun S, Hu Z, Zhu Y. Repairing gastric ulcer with hyaluronic acid/extracellular matrix composite through promoting M2-type polarization of macrophages. Int J Biol Macromol 2023:125556. [PMID: 37364804 DOI: 10.1016/j.ijbiomac.2023.125556] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 05/19/2023] [Accepted: 06/22/2023] [Indexed: 06/28/2023]
Abstract
The treatment of gastric ulcer and perforation using synthetic and biomaterials has been a clinical challenge. In this work, a drug-carrying layer of hyaluronic acid was combined with a gastric submucosal decellularized extracellular matrix called gHECM. The regulation of macrophage polarization by the extracellular matrix's components was then investigated. This work proclaims how gHECM responds to inflammation and aids in the regeneration of the gastric lining by altering the phenotype of surrounding macrophages and stimulating the body's whole immune response. In a nutshell, gHECM promotes tissue regeneration by changing the phenotype of macrophages around the site of injury. In particular, gHECM reduces the production of pro-inflammatory cytokines, decreases the percentage of M1 macrophages, and further encourages differentiation of macrophage subpopulation to the M2 phenotype and the release of anti-inflammatory cytokines, which could block the NF-κB pathway. Activated macrophages are capable of immediately delivering through spatial barriers, modulating the peripheral immune system, influencing the inflammatory microenvironment, and ultimately promoting the recovery of inflammation and healing of ulcers. They contribute to the secreted cytokines that act on local tissues or enhance the chemotactic ability of macrophages through paracrine secretion. In this study, we focused on the immunological regulatory network of macrophage polarization to further develop the mechanisms behind this process. Nevertheless, the signaling pathways involved in this process need to be further explored and identified. We think that our research will encourage more investigation into how the decellularized matrix affects immune modulation and will help the decellularized matrix perform better as a new class of natural biomaterials for tissue engineering.
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Affiliation(s)
- Renhao Ni
- Ningbo University, Health Science Center, Ningbo 315211, China
| | - Yang Luo
- Ningbo University, Health Science Center, Ningbo 315211, China
| | - Lingjing Jiang
- Ningbo University, Health Science Center, Ningbo 315211, China
| | - Xufeng Mao
- Department of Orthopedics, the First Affiliated Hospital of Ningbo University, Ningbo 315020, China
| | - Yuyao Feng
- Ningbo University, Health Science Center, Ningbo 315211, China
| | | | - Zeming Hu
- Ningbo University, Health Science Center, Ningbo 315211, China
| | - Yabin Zhu
- Ningbo University, Health Science Center, Ningbo 315211, China.
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12
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Huyghe J, Priem D, Bertrand MJM. Cell death checkpoints in the TNF pathway. Trends Immunol 2023:S1471-4906(23)00105-9. [PMID: 37357102 DOI: 10.1016/j.it.2023.05.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/19/2023] [Accepted: 05/19/2023] [Indexed: 06/27/2023]
Abstract
Tumor necrosis factor (TNF) plays a central role in orchestrating mammalian inflammatory responses. It promotes inflammation either directly by inducing inflammatory gene expression or indirectly by triggering cell death. TNF-mediated cell death-driven inflammation can be beneficial during infection by providing cell-extrinsic signals that help to mount proper immune responses. Uncontrolled cell death caused by TNF is instead highly detrimental and is believed to cause several human autoimmune diseases. Death is not the default response to TNF sensing. Molecular brakes, or cell death checkpoints, actively repress TNF cytotoxicity to protect the organism from its detrimental consequences. These checkpoints therefore constitute essential safeguards against inflammatory diseases. Recent advances in the field have revealed the existence of several new and unexpected brakes against TNF cytotoxicity and pathogenicity.
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Affiliation(s)
- Jon Huyghe
- Cell Death and Inflammation Unit, Vlaams Instituut voor Biotechnologie (VIB) Center for Inflammation Research, 9052 Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, 9052 Ghent, Belgium
| | - Dario Priem
- Cell Death and Inflammation Unit, Vlaams Instituut voor Biotechnologie (VIB) Center for Inflammation Research, 9052 Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, 9052 Ghent, Belgium
| | - Mathieu J M Bertrand
- Cell Death and Inflammation Unit, Vlaams Instituut voor Biotechnologie (VIB) Center for Inflammation Research, 9052 Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, 9052 Ghent, Belgium.
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13
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Tong J, Lan XT, Zhang Z, Liu Y, Sun DY, Wang XJ, Ou-Yang SX, Zhuang CL, Shen FM, Wang P, Li DJ. Ferroptosis inhibitor liproxstatin-1 alleviates metabolic dysfunction-associated fatty liver disease in mice: potential involvement of PANoptosis. Acta Pharmacol Sin 2023; 44:1014-1028. [PMID: 36323829 PMCID: PMC10104837 DOI: 10.1038/s41401-022-01010-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 09/25/2022] [Indexed: 11/07/2022] Open
Abstract
Ferroptosis is a new form of regulated cell death characterized by excessive iron accumulation and uncontrollable lipid peroxidation. The role of ferroptosis in metabolic dysfunction-associated fatty liver disease (MAFLD) is not fully elucidated. In this study we compared the therapeutic effects of ferroptosis inhibitor liproxstatin-1 (LPT1) and iron chelator deferiprone (DFP) in MAFLD mouse models. This model was established in mice by feeding a high-fat diet with 30% fructose in water (HFHF) for 16 weeks. The mice then received LPT1 (10 mg·kg-1·d-1, ip) or DFP (100 mg·kg-1·d-1, ig) for another 2 weeks. We showed that both LPT1 and DFP treatment blocked the ferroptosis markers ACSL4 and ALOX15 in MAFLD mice. Furthermore, LPT1 treatment significantly reduced the liver levels of triglycerides and cholesterol, lipid peroxidation markers 4-hydroxynonenal (4-HNE) and malondialdehyde (MDA), and ameliorated the expression of lipid synthesis/oxidation genes (Pparα, Scd1, Fasn, Hmgcr and Cpt1a), insulin resistance, mitochondrial ROS content and liver fibrosis. Importantly, LPT1 treatment potently inhibited hepatic apoptosis (Bax/Bcl-xL ratio and TUNEL+ cell number), pyroptosis (cleavages of Caspase-1 and GSDMD) and necroptosis (phosphorylation of MLKL). Moreover, LPT1 treatment markedly inhibited cleavages of PANoptosis-related caspase-8 and caspase-6 in MAFLD mouse liver. In an in vitro MAFLD model, treatment with LPT1 (100 nM) prevented cultured hepatocyte against cell death induced by pro-PANoptosis molecules (TNF-α, LPS and nigericin) upon lipid stress. On the contrary, DFP treatment only mildly attenuated hepatic inflammation but failed to alleviate lipid deposition, insulin resistance, apoptosis, pyroptosis and necroptosis in MAFLD mice. We conclude that ferroptosis inhibitor LPT1 protects against steatosis and steatohepatitis in MAFLD mice, which may involve regulation of PANoptosis, a coordinated cell death pathway that involves apoptosis, pyroptosis and necroptosis. These results suggest a potential link between ferroptosis and PANoptosis.
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Affiliation(s)
- Jie Tong
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Xiu-Ting Lan
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Zhen Zhang
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Yi Liu
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Di-Yang Sun
- School of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai, 200433, China
| | - Xu-Jie Wang
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Shen-Xi Ou-Yang
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Chun-Lin Zhuang
- School of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai, 200433, China
| | - Fu-Ming Shen
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Pei Wang
- School of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai, 200433, China.
| | - Dong-Jie Li
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
- Institute of Nuclear Medicine, Tongji University School of Medicine, Shanghai, 200072, China.
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14
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Wang YK, Ma N, Xu S, Huang JY, Ni QZ, Cao HJ, Zheng QW, Zhu B, Xia J, Zhang FK, Ding XF, Qiu XS, Chen TW, Wang K, Chen W, Li ZG, Cheng SQ, Xie D, Li JJ. PPDPF suppresses the development of hepatocellular carcinoma through TRIM21-mediated ubiquitination of RIPK1. Cell Rep 2023; 42:112340. [PMID: 37027301 DOI: 10.1016/j.celrep.2023.112340] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 11/13/2022] [Accepted: 03/20/2023] [Indexed: 04/08/2023] Open
Abstract
Pancreatic progenitor cell differentiation and proliferation factor (PPDPF) has been reported to play a role in tumorigenesis. However, its function in hepatocellular carcinoma (HCC) remains poorly understood. In this study, we report that PPDPF is significantly downregulated in HCC and the decreased PPDPF expression indicates poor prognosis. In the dimethylnitrosamine (DEN)-induced HCC mouse model, hepatocyte-specific depletion of Ppdpf promotes hepatocarcinogenesis, and reintroduction of PPDPF into liver-specific Ppdpf knockout (LKO) mice inhibits the accelerated HCC development. Mechanistic study shows that PPDPF regulates nuclear factor κB (NF-κB) signaling through modulation of RIPK1 ubiquitination. PPDPF interacts with RIPK1 and facilitates K63-linked ubiquitination of RIPK1 via recruiting the E3 ligase TRIM21, which catalyzes K63-linked ubiquitination of RIPK1 at K140. In addition, liver-specific overexpression of PPDPF activates NF-κB signaling and attenuates apoptosis and compensatory proliferation in mice, which significantly suppresses HCC development. This work identifies PPDPF as a regulator of NF-κB signaling and provides a potential therapeutic candidate for HCC.
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Affiliation(s)
- Yi-Kang Wang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Ning Ma
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; Department of Thoracic Surgery, Section of Esophageal Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Sheng Xu
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Jing-Yi Huang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Qian-Zhi Ni
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; Department of Hepatic Surgery VI, Eastern Hepatobiliary Surgery Hospital, Naval Medical University, Shanghai 200433, China
| | - Hui-Jun Cao
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Qian-Wen Zheng
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Bing Zhu
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Ji Xia
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Feng-Kun Zhang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xu-Fen Ding
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xiao-Song Qiu
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Tian-Wei Chen
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Kang Wang
- Department of Hepatic Surgery VI, Eastern Hepatobiliary Surgery Hospital, Naval Medical University, Shanghai 200433, China
| | - Wei Chen
- Institute of Clinical Medicine Research, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Hangzhou 310014, China
| | - Zhi-Gang Li
- Department of Thoracic Surgery, Section of Esophageal Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Shu-Qun Cheng
- Department of Hepatic Surgery VI, Eastern Hepatobiliary Surgery Hospital, Naval Medical University, Shanghai 200433, China
| | - Dong Xie
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China.
| | - Jing-Jing Li
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China.
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15
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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: 4] [Impact Index Per Article: 4.0] [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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16
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Shi FL, Yuan LS, Wong TS, Li Q, Li YP, Xu R, You YP, Yuan T, Zhang HR, Shi ZJ, Zha QB, Hu B, He XH, Ouyang DY. Dimethyl fumarate inhibits necroptosis and alleviates systemic inflammatory response syndrome by blocking the RIPK1-RIPK3-MLKL axis. Pharmacol Res 2023; 189:106697. [PMID: 36796462 DOI: 10.1016/j.phrs.2023.106697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 02/16/2023]
Abstract
Necroptosis has been implicated in various inflammatory diseases including tumor-necrosis factor-α (TNF-α)-induced systemic inflammatory response syndrome (SIRS). Dimethyl fumarate (DMF), a first-line drug for treating relapsing-remitting multiple sclerosis (RRMS), has been shown to be effective against various inflammatory diseases. However, it is still unclear whether DMF can inhibit necroptosis and confer protection against SIRS. In this study, we found that DMF significantly inhibited necroptotic cell death in macrophages induced by different necroptotic stimulations. Both the autophosphorylation of receptor-interacting serine/threonine kinase 1 (RIPK1) and RIPK3 and the downstream phosphorylation and oligomerization of MLKL were robustly suppressed by DMF. Accompanying the suppression of necroptotic signaling, DMF blocked the mitochondrial reverse electron transport (RET) induced by necroptotic stimulation, which was associated with its electrophilic property. Several well-known anti-RET reagents also markedly inhibited the activation of the RIPK1-RIPK3-MLKL axis accompanied by decreased necrotic cell death, indicating a critical role of RET in necroptotic signaling. DMF and other anti-RET reagents suppressed the ubiquitination of RIPK1 and RIPK3, and they attenuated the formation of necrosome. Moreover, oral administration of DMF significantly alleviated the severity of TNF-α-induced SIRS in mice. Consistent with this, DMF mitigated TNF-α-induced cecal, uterine, and lung damage accompanied by diminished RIPK3-MLKL signaling. Collectively, DMF represents a new necroptosis inhibitor that suppresses the RIPK1-RIPK3-MLKL axis through blocking mitochondrial RET. Our study highlights DMF's potential therapeutic applications for treating SIRS-associated diseases.
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Affiliation(s)
- Fu-Li Shi
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Li-Sha Yuan
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Tak-Sui Wong
- Department of Nephrology, the First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Qing Li
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Ya-Ping Li
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Rong Xu
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yi-Ping You
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Tao Yuan
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Hong-Rui Zhang
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Zi-Jian Shi
- Department of Fetal Medicine, the First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Qing-Bing Zha
- Department of Fetal Medicine, the First Affiliated Hospital of Jinan University, Guangzhou 510630, China; Department of Clinical Laboratory, the Fifth Affiliated Hospital of Jinan University, Heyuan 517000, China
| | - Bo Hu
- Department of Nephrology, the First Affiliated Hospital of Jinan University, Guangzhou 510630, China.
| | - Xian-Hui He
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Department of Clinical Laboratory, the Fifth Affiliated Hospital of Jinan University, Heyuan 517000, China.
| | - Dong-Yun Ouyang
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China.
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Ye K, Chen Z, Xu Y. The double-edged functions of necroptosis. Cell Death Dis 2023; 14:163. [PMID: 36849530 PMCID: PMC9969390 DOI: 10.1038/s41419-023-05691-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 02/11/2023] [Accepted: 02/15/2023] [Indexed: 03/01/2023]
Abstract
Necroptosis refers to a regulated form of cell death induced by a variety of stimuli. Although it has been implicated in the pathogenesis of many diseases, there is evidence to support that necroptosis is not purely a detrimental process. We propose that necroptosis is a "double-edged sword" in terms of physiology and pathology. On the one hand, necroptosis can trigger an uncontrolled inflammatory cascade response, resulting in severe tissue injury, disease chronicity, and even tumor progression. On the other hand, necroptosis functions as a host defense mechanism, exerting antipathogenic and antitumor effects through its powerful pro-inflammatory properties. Moreover, necroptosis plays an important role during both development and regeneration. Misestimation of the multifaceted features of necroptosis may influence the development of therapeutic approaches targeting necroptosis. In this review, we summarize current knowledge of the pathways involved in necroptosis as well as five important steps that determine its occurrence. The dual role of necroptosis in a variety of physiological and pathological conditions is also highlighted. Future studies and the development of therapeutic strategies targeting necroptosis should fully consider the complicated properties of this type of regulated cell death.
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Affiliation(s)
- Keng Ye
- grid.256112.30000 0004 1797 9307Department of Nephrology, Blood Purification Research Center, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005 China ,grid.412683.a0000 0004 1758 0400Research Center for Metabolic Chronic Kidney Disease, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005 China ,grid.412683.a0000 0004 1758 0400Central Laboratory, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005 China
| | - Zhimin Chen
- grid.256112.30000 0004 1797 9307Department of Nephrology, Blood Purification Research Center, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005 China ,grid.412683.a0000 0004 1758 0400Research Center for Metabolic Chronic Kidney Disease, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005 China ,grid.412683.a0000 0004 1758 0400Central Laboratory, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005 China
| | - Yanfang Xu
- Department of Nephrology, Blood Purification Research Center, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China. .,Research Center for Metabolic Chronic Kidney Disease, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China. .,Central Laboratory, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China.
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Ghanavatian P, Salehi-Sedeh H, Ataei F, Hosseinkhani S. Bioluminescent RIPoptosome Assay for FADD/RIPK1 Interaction Based on Split Luciferase Assay in a Human Neuroblastoma Cell Line SH-SY5Y. BIOSENSORS 2023; 13:297. [PMID: 36832063 PMCID: PMC9954477 DOI: 10.3390/bios13020297] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/26/2023] [Accepted: 02/10/2023] [Indexed: 06/18/2023]
Abstract
Different programed cell death (PCD) modalities involve protein-protein interactions in large complexes. Tumor necrosis factor α (TNFα) stimulated assembly of receptor-interacting protein kinase 1 (RIPK1)/Fas-associated death domain (FADD) interaction forms Ripoptosome complex that may cause either apoptosis or necroptosis. The present study addresses the interaction of RIPK1 and FADD in TNFα signaling by fusion of C-terminal (CLuc) and N-terminal (NLuc) luciferase fragments to RIPK1-CLuc (R1C) or FADD-NLuc (FN) in a caspase 8 negative neuroblastic SH-SY5Y cell line, respectively. In addition, based on our findings, an RIPK1 mutant (R1C K612R) had less interaction with FN, resulting in increasing cell viability. Moreover, presence of a caspase inhibitor (zVAD.fmk) increases luciferase activity compared to Smac mimetic BV6 (B), TNFα -induced (T) and non-induced cell. Furthermore, etoposide decreased luciferase activity, but dexamethasone was not effective in SH-SY5Y. This reporter assay might be used to evaluate basic aspects of this interaction as well as for screening of necroptosis and apoptosis targeting drugs with potential therapeutic application.
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Liccardi G, Annibaldi A. MLKL post-translational modifications: road signs to infection, inflammation and unknown destinations. Cell Death Differ 2023; 30:269-278. [PMID: 36175538 PMCID: PMC9520111 DOI: 10.1038/s41418-022-01061-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 09/06/2022] [Accepted: 09/09/2022] [Indexed: 11/14/2022] Open
Abstract
Necroptosis is a caspase-independent modality of cell death that requires the activation of the executioner MLKL. In the last ten years the field gained a substantial amount of evidence regarding its involvement in host response to pathogens, TNF-induced inflammatory diseases as well as pathogen recognition receptors (PRR)-induced inflammation. However, there are still a lot of questions that remain unanswered. While it is clear that there are specific events needed to drive MLKL activation, substantial differences between human and mouse MLKL not only highlight different evolutionary pressure, but also provide potential insights on alternative modalities of activation. While in TNF-induced necroptosis it is clear the involvement of the RIPK3 mediated phosphorylation, it still remains to be understood how certain inflammatory in vivo phenotypes are not equally rescued by either RIPK3 or MLKL loss. Moreover, the plethora of different reported phosphorylation events on MLKL, even in cells that do not express RIPK3, suggest indeed that there is more to MLKL than RIPK3-mediated activation, not only in the execution of necroptosis but perhaps in other inflammatory conditions that include IFN response. The recent discovery of MLKL ubiquitination has highlighted a new checkpoint in the regulation of MLKL activation and the somewhat conflicting evidence reported certainly require some untangling. In this review we will highlight the recent findings on MLKL activation and involvement to pathogen response with a specific focus on MLKL post-translational modifications, in particular ubiquitination. This review will highlight the outstanding main questions that have risen from the last ten years of research, trying at the same time to propose potential avenues of research.
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Affiliation(s)
- Gianmaria Liccardi
- Center for Biochemistry, Medical Faculty, University of Cologne, Joseph-Stelzmann-Str. 52, 50931, Cologne, Germany.
| | - Alessandro Annibaldi
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Robert-Koch-Strasse 21, 50931, Cologne, Germany.
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20
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Li W, Yuan J. Targeting RIPK1 kinase for modulating inflammation in human diseases. Front Immunol 2023; 14:1159743. [PMID: 36969188 PMCID: PMC10030951 DOI: 10.3389/fimmu.2023.1159743] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 02/27/2023] [Indexed: 03/29/2023] Open
Abstract
Receptor-Interacting Serine/Threonine-Protein Kinase 1 (RIPK1) is a master regulator of TNFR1 signaling in controlling cell death and survival. While the scaffold of RIPK1 participates in the canonical NF-κB pathway, the activation of RIPK1 kinase promotes not only necroptosis and apoptosis, but also inflammation by mediating the transcriptional induction of inflammatory cytokines. The nuclear translocation of activated RIPK1 has been shown to interact BAF-complex to promote chromatin remodeling and transcription. This review will highlight the proinflammatory role of RIPK1 kinase with focus on human neurodegenerative diseases. We will discuss the possibility of targeting RIPK1 kinase for the treatment of inflammatory pathology in human diseases.
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Affiliation(s)
- Wanjin Li
- *Correspondence: Wanjin Li, ; Junying Yuan,
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21
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Scarpellini C, Ramos Llorca A, Lanthier C, Klejborowska G, Augustyns K. The Potential Role of Regulated Cell Death in Dry Eye Diseases and Ocular Surface Dysfunction. Int J Mol Sci 2023; 24:731. [PMID: 36614174 PMCID: PMC9820812 DOI: 10.3390/ijms24010731] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/23/2022] [Accepted: 12/29/2022] [Indexed: 01/03/2023] Open
Abstract
The research on new treatments for dry eye diseases (DED) has exponentially grown over the past decades. The increased prevalence of dry eye conditions, particularly in the younger population, has received much attention. Therefore, it is of utmost importance to identify novel therapeutical targets. Regulated cell death (RCD) is an essential process to control the biological homeostasis of tissues and organisms. The identification of different mechanisms of RCD stimulated the research on their involvement in different human pathologies. Whereas apoptosis has been widely studied in DED and included in the DED vicious cycle, the role of RCD still needs to be completely elucidated. In this review, we will explore the potential roles of different types of RCD in DED and ocular surface dysfunction. Starting from the evidence of oxidative stress and inflammation in dry eye pathology, we will analyse the potential therapeutic applications of the following principal RCD mechanisms: ferroptosis, necroptosis, and pyroptosis.
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Affiliation(s)
| | | | | | | | - Koen Augustyns
- Laboratory of Medicinal Chemistry, University of Antwerp, Universiteitsplein 1, B-2160 Antwerp, Belgium
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22
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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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23
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Xu G, Wu Y, Xiao T, Qi F, Fan L, Zhang S, Zhou J, He Y, Gao X, Zeng H, Li Y, Zhang Z. Multiomics approach reveals the ubiquitination-specific processes hijacked by SARS-CoV-2. Signal Transduct Target Ther 2022; 7:312. [PMID: 36071039 PMCID: PMC9449932 DOI: 10.1038/s41392-022-01156-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 06/21/2022] [Accepted: 08/04/2022] [Indexed: 11/09/2022] Open
Abstract
The Coronavirus Disease 2019 (COVID-19) caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) is a global pandemic that seriously threatens health and socioeconomic development, but the existed antiviral drugs and vaccines still cannot yet halt the spread of the epidemic. Therefore, a comprehensive and profound understanding of the pathogenesis of SARS-CoV-2 is urgently needed to explore effective therapeutic targets. Here, we conducted a multiomics study of SARS-CoV-2-infected lung epithelial cells, including transcriptomic, proteomic, and ubiquitinomic. Multiomics analysis showed that SARS-CoV-2-infected lung epithelial cells activated strong innate immune response, including interferon and inflammatory responses. Ubiquitinomic further reveals the underlying mechanism of SARS-CoV-2 disrupting the host innate immune response. In addition, SARS-CoV-2 proteins were found to be ubiquitinated during infection despite the fact that SARS-CoV-2 itself didn't code any E3 ligase, and that ubiquitination at three sites on the Spike protein could significantly enhance viral infection. Further screening of the E3 ubiquitin ligases and deubiquitinating enzymes (DUBs) library revealed four E3 ligases influencing SARS-CoV-2 infection, thus providing several new antiviral targets. This multiomics combined with high-throughput screening study reveals that SARS-CoV-2 not only modulates innate immunity, but also promotes viral infection, by hijacking ubiquitination-specific processes, highlighting potential antiviral and anti-inflammation targets.
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Affiliation(s)
- Gang Xu
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China
| | - Yezi Wu
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China
| | - Tongyang Xiao
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China
| | - Furong Qi
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China
| | - Lujie Fan
- Guangzhou Laboratory, Guangzhou Medical University, Guangzhou, China
| | - Shengyuan Zhang
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China
| | - Jian Zhou
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China
| | - Yanhua He
- Department of Microbiology, Second Military Medical University, Shanghai Key Laboratory of Medical Biodefense, 200433, Shanghai, China
| | - Xiang Gao
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China
| | - Hongxiang Zeng
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China
| | - Yunfei Li
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China
| | - Zheng Zhang
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, 518112, Shenzhen, Guangdong Province, China. .,Guangdong Key laboratory for anti-infection Drug Quality Evaluation, 518112, Shenzhen, Guangdong Province, China. .,Shenzhen Research Center for Communicable Disease Diagnosis and Treatment of Chinese Academy of Medical Science, Shenzhen, Guangdong Province, China.
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24
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Abstract
Necroptosis, or programmed necrosis, is an inflammatory form of cell death with important functions in host defense against pathogens and tissue homeostasis. The four cytosolic receptor-interacting protein kinase homotypic interaction motif (RHIM)-containing adaptor proteins RIPK1, RIPK3, TRIF (also known as TICAM1) and ZBP1 mediate necroptosis induction in response to infection and cytokine or innate immune receptor activation. Activation of the RHIM adaptors leads to phosphorylation, oligomerization and membrane targeting of the necroptosis effector protein mixed lineage kinase domain-like (MLKL). Active MLKL induces lesions on the plasma membrane, leading to the release of pro-inflammatory damage-associated molecular patterns (DAMPs). Thus, activities of the RHIM adaptors and MLKL are tightly regulated by posttranslational modifications to prevent inadvertent release of immunogenic contents. In this Cell Science at a Glance article and the accompanying poster, we provide an overview of the regulatory mechanisms of necroptosis and its biological functions in tissue homeostasis, pathogen infection and other inflammatory diseases.
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Affiliation(s)
- Kidong Kang
- Department of Immunology, Duke University School of Medicine, DUMC 3010, Durham, NC 27710, USA
| | - Christa Park
- Immunology and Microbiology Program, University of Massachusetts Chan Medical School, Worcester, MA 01605, USA
| | - Francis Ka-Ming Chan
- Department of Immunology, Duke University School of Medicine, DUMC 3010, Durham, NC 27710, USA
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25
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Chen Y, Ren W, Wang Q, He Y, Ma D, Cai Z. The regulation of necroptosis by ubiquitylation. Apoptosis 2022; 27:668-684. [PMID: 35939135 DOI: 10.1007/s10495-022-01755-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2022] [Indexed: 12/01/2022]
Abstract
Necroptosis is a programmed necrosis that is mediated by receptor-interacting protein kinases RIPK1, RIPK3 and the mixed lineage kinase domain-like protein, MLKL. Necroptosis must be strictly regulated to maintain normal tissue homeostasis, and dysregulation of necroptosis leads to the development of various inflammatory, infectious, and degenerative diseases. Ubiquitylation is a widespread post-translational modification that is essential for balancing numerous physiological processes. Over the past decade, considerable progress has been made in the understanding of the role of ubiquitylation in regulating necroptosis. Here, we will discuss the regulatory functions of ubiquitylation in necroptosis signaling pathway. An enhanced understanding of the ubiquitylation enzymes and regulatory proteins in necroptotic signaling pathway will be exploited for the development of new therapeutic strategies for necroptosis-related diseases.
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Affiliation(s)
- Yiliang Chen
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.,Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Wenqing Ren
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Qingsong Wang
- College of Pharmacy, Ningxia Medical University, Yinchuan, 750004, Ningxia Hui Autonomous Region, China
| | - Yuan He
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Dan Ma
- Department of General Surgery, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, China
| | - Zhenyu Cai
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200092, China. .,Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, 200120, China. .,College of Pharmacy, Ningxia Medical University, Yinchuan, 750004, Ningxia Hui Autonomous Region, China.
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26
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Huang T, Gu J, Jiang H, Liang Q, Perlmutter JS, Tu Z. Radiosynthesis and characterization of a carbon-11 PET tracer for receptor-interacting protein kinase 1. Nucl Med Biol 2022; 110-111:18-27. [PMID: 35472678 PMCID: PMC11071064 DOI: 10.1016/j.nucmedbio.2022.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 04/09/2022] [Accepted: 04/11/2022] [Indexed: 12/01/2022]
Abstract
INTRODUCTION Receptor-interacting protein kinase 1 (RIPK1) has emerged as a crucial regulator of necroptosis and the inflammatory response by activating a group of downstream immune receptors. It has been recognized as a pivotal contributor to cell death and inflammation in various physiological and pathological processes. RIPK1 deficiency or dysregulation in humans can cause severe immunodeficiency and neurodegenerative diseases such as multiple sclerosis and amyotrophic lateral sclerosis. Recently, diverse structures of RIPK1 inhibitors have been developed as potential therapeutics for neurodegenerative diseases and other pathological inflammatory processes. 7-oxo-2,4,5,7-tetrahydro-6H-pyrazolo[3,4-c]pyridine (Compound 5 or TZ7774) was reported as a novel RIPK1 inhibitor with a Ki of 0.91 nM that can suppress necroptosis in mouse and human cells. To develop a radiotracer for investigating the RIPK1 in vivo, we radiosynthesized [11C]TZ7774 and performed preliminary in vitro and in vivo evaluations in rodents and macaque. METHODS Synthesis of the desmethyl precursor TZ7790 was performed and optimized. The radiosynthesis of [11C]TZ7774 was achieved through TZ7790 reacting with [11C]methyl iodide via N-methylation. Ex vivo biodistribution of [11C]TZ7774 was performed in normal Sprague-Dawley rats. Characterization of [11C]TZ7774 in response to inflammation was performed using ex vivo biodistribution study in normal and LPS treated (10 mg/kg) C57BL/6 mice, and in vitro autoradiography and immunohistochemistry of the spleen. MicroPET brain study of [11C]TZ7774 in the macaque was also performed. RESULTS AND CONCLUSIONS The radiosynthesis of [11C]TZ7774 was achieved with good radiochemical yield (30-40%, decay corrected to the end of bombardment (EOB)), high chemical purity (>90%), high radiochemical purity (>99%), and high molar activity (>207 GBq/μmol, decay corrected to EOB). Biodistribution studies in Sprague-Dawley rats showed [11C]TZ7774 has a high brain uptake of 0.53 (%ID/g) at 5 min post injection; pancreas, spleen, kidney, and liver also showed a relatively high initial uptake of 0.49, 0.41, 0.62, and 0.95 at 5 min respectively. Uptake of [11C]TZ7774 increased in LPS-treated C57BL/6 mice by 40.9%, 90.4%, and 54.9% in liver, spleen, and kidney respectively. In vitro autoradiography study also revealed increased uptake of [11C]TZ7774 in the spleen of LPS-treated mice. Further characterization with immunohistochemistry confirmed increased expression of RIPK1 in red and white pulp of the spleen for mice pre-treated with LPS. MicroPET demonstrated that [11C]TZ7774 had good initial brain uptake in macaque with an (SUV) of ∼3.7 at 6-10 min, and quickly washed out from brain. These data confirm successful radiosynthesis of a RIPK1 specific radiotracer [11C]TZ7774. Our preliminary studies showed good response to LPS-induced inflammation in rodents and good uptake in macaque brain. [11C]TZ7774 has a potential to image RIPK1 related necroptosis and inflammatory processes.
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Affiliation(s)
- Tianyu Huang
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Jiwei Gu
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Hao Jiang
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Qianwa Liang
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Joel S Perlmutter
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA; Department of Neurology, Washington University School of Medicine, St Louis, MO 63110, USA; Department of Neuroscience, Washington University School of Medicine, St Louis, MO 63110, USA; Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO 63110, USA; Program in Occupational Therapy, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Zhude Tu
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA.
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27
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Nuclear RIPK1 promotes chromatin remodeling to mediate inflammatory response. Cell Res 2022; 32:621-637. [DOI: 10.1038/s41422-022-00673-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 05/10/2022] [Indexed: 12/16/2022] Open
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28
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Wang Q, Park KH, Geng B, Chen P, Yang C, Jiang Q, Yi F, Tan T, Zhou X, Bian Z, Ma J, Zhu H. MG53 Inhibits Necroptosis Through Ubiquitination-Dependent RIPK1 Degradation for Cardiac Protection Following Ischemia/Reperfusion Injury. Front Cardiovasc Med 2022; 9:868632. [PMID: 35711363 PMCID: PMC9193967 DOI: 10.3389/fcvm.2022.868632] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 04/19/2022] [Indexed: 11/13/2022] Open
Abstract
RationaleWhile reactive oxygen species (ROS) has been recognized as one of the main causes of cardiac injury following myocardial infarction, the clinical application of antioxidants has shown limited effects on protecting hearts against ischemia–reperfusion (I/R) injury. Thus, the precise role of ROS following cardiac injury remains to be fully elucidated.ObjectiveWe investigated the role of mitsugumin 53 (MG53) in regulating necroptosis following I/R injury to the hearts and the involvement of ROS in MG53-mediated cardioprotection.Methods and ResultsAntioxidants were used to test the role of ROS in MG53-mediated cardioprotection in the mouse model of I/R injury and induced human pluripotent stem cells (hiPSCs)-derived cardiomyocytes subjected to hypoxia or re-oxygenation (H/R) injury. Western blotting and co-immunoprecipitation were used to identify potential cell death pathways that MG53 was involved in. CRISPR/Cas 9-mediated genome editing and mutagenesis assays were performed to further identify specific interaction amino acids between MG53 and its ubiquitin E3 ligase substrate. We found that MG53 could protect myocardial injury via inhibiting the necroptosis pathway. Upon injury, the generation of ROS in the infarct zone of the hearts promoted interaction between MG53 and receptor-interacting protein kinase 1 (RIPK1). As an E3 ubiquitin ligase, MG53 added multiple ubiquitin chains to RIPK1 at the sites of K316, K604, and K627 for proteasome-mediated RIPK1 degradation and inhibited necroptosis. The application of N-acetyl cysteine (NAC) disrupted the interaction between MG53 and RIPK1 and abolished MG53-mediated cardioprotective effects.ConclusionsTaken together, this study provided a molecular mechanism of a potential beneficial role of ROS following acute myocardial infarction. Thus, fine-tuning ROS levels might be critical for cardioprotection.
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29
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RIP1 post-translational modifications. Biochem J 2022; 479:929-951. [PMID: 35522161 DOI: 10.1042/bcj20210725] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 04/13/2022] [Accepted: 04/19/2022] [Indexed: 11/17/2022]
Abstract
Receptor interacting protein 1 (RIP1) kinase is a critical regulator of inflammation and cell death signaling, and plays a crucial role in maintaining immune responses and proper tissue homeostasis. Mounting evidence argues for the importance of RIP1 post-translational modifications in control of its function. Ubiquitination by E3 ligases, such as inhibitors of apoptosis (IAP) proteins and LUBAC, as well as the reversal of these modifications by deubiquitinating enzymes, such as A20 and CYLD, can greatly influence RIP1 mediated signaling. In addition, cleavage by caspase-8, RIP1 autophosphorylation, and phosphorylation by a number of signaling kinases can greatly impact cellular fate. Disruption of the tightly regulated RIP1 modifications can lead to signaling disbalance in TNF and/or TLR controlled and other inflammatory pathways, and result in severe human pathologies. This review will focus on RIP1 and its many modifications with an emphasis on ubiquitination, phosphorylation, and cleavage, and their functional impact on the RIP1's role in signaling pathways.
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Chua SCJH, Cui J, Engelberg D, Lim LHK. A Review and Meta-Analysis of Influenza Interactome Studies. Front Microbiol 2022; 13:869406. [PMID: 35531276 PMCID: PMC9069142 DOI: 10.3389/fmicb.2022.869406] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 03/23/2022] [Indexed: 11/29/2022] Open
Abstract
Annually, the influenza virus causes 500,000 deaths worldwide. Influenza-associated mortality and morbidity is especially high among the elderly, children, and patients with chronic diseases. While there are antivirals available against influenza, such as neuraminidase inhibitors and adamantanes, there is growing resistance against these drugs. Thus, there is a need for novel antivirals for resistant influenza strains. Host-directed therapies are a potential strategy for influenza as host processes are conserved and are less prone mutations as compared to virus-directed therapies. A literature search was performed for papers that performed viral–host interaction screens and the Reactome pathway database was used for the bioinformatics analysis. A total of 15 studies were curated and 1717 common interactors were uncovered among all these studies. KEGG analysis, Enrichr analysis, STRING interaction analysis was performed on these interactors. Therefore, we have identified novel host pathways that can be targeted for host-directed therapy against influenza in our review.
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Affiliation(s)
- Sonja Courtney Jun Hui Chua
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Immunology Program, Life Sciences Institute, National University of Singapore, Singapore, Singapore
- CREATE-NUS-HUJ Cellular & Molecular Mechanisms of Inflammation Programme, National University of Singapore, Singapore, Singapore
| | - Jianzhou Cui
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Immunology Program, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - David Engelberg
- CREATE-NUS-HUJ Cellular & Molecular Mechanisms of Inflammation Programme, National University of Singapore, Singapore, Singapore
- Department of Microbiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Biological Chemistry, The Institute of Life Science, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Lina Hsiu Kim Lim
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Immunology Program, Life Sciences Institute, National University of Singapore, Singapore, Singapore
- *Correspondence: Lina Hsiu Kim Lim,
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Hao Y, Shao H, Qu Z, Li J, Shi Y, Zhang W, Yu J, Fu P, Zhuang C. Investigation on the chemical space of the substituted triazole thio-benzoxazepinone RIPK1 inhibitors. Eur J Med Chem 2022; 236:114345. [PMID: 35398729 DOI: 10.1016/j.ejmech.2022.114345] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/21/2022] [Accepted: 03/31/2022] [Indexed: 11/04/2022]
Abstract
As a key upstream kinase involved in the activation of necroptosis, receptor-interacting protein kinase 1 (RIPK1) plays a vital role in the treatment of relevant inflammatory diseases. Recently, we described the thio-benzoxazepinones as RIPK1 necroptosis inhibitors. On this basis, we further explored the chemical space of the thio-benzoxazepinones by introducing substitutions on the triazole group and evaluated their anti-necroptotic activity. The structure-activity relationship (SAR) was extended for this series of new derivatives. The best compound 2 with methyl and compound 10 with fluoroethyl were obtained and both specifically inhibited necroptosis rather than apoptosis with EC50 values of 2.5 and 8.9 nM, respectively. They blocked the downstream necroptotic pathway to prevent cell lysis and prevent in vivo inflammation in a dose-dependent manner. This work provides that substituted thio-benzoxazepines can better occupy the hydrophobic cavity and enhance the hydrophobic interaction as promising lead compounds to enhance the in vivo activity of this class of compounds.
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Affiliation(s)
- Yanan Hao
- School of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Hongming Shao
- School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Zhuo Qu
- School of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Jiao Li
- Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Ying Shi
- 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
| | - Jianqiang Yu
- School of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Peng Fu
- Department of Pharmacy, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, 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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Lousa I, Reis F, Santos-Silva A, Belo L. The Signaling Pathway of TNF Receptors: Linking Animal Models of Renal Disease to Human CKD. Int J Mol Sci 2022; 23:3284. [PMID: 35328704 PMCID: PMC8950598 DOI: 10.3390/ijms23063284] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 11/25/2022] Open
Abstract
Chronic kidney disease (CKD) has been recognized as a global public health problem. Despite the current advances in medicine, CKD-associated morbidity and mortality remain unacceptably high. Several studies have highlighted the contribution of inflammation and inflammatory mediators to the development and/or progression of CKD, such as tumor necrosis factor (TNF)-related biomarkers. The inflammation pathway driven by TNF-α, through TNF receptors 1 (TNFR1) and 2 (TNFR2), involves important mediators in the pathogenesis of CKD. Circulating levels of TNFRs were associated with changes in other biomarkers of kidney function and injury, and were described as predictors of disease progression, cardiovascular morbidity, and mortality in several cohorts of patients. Experimental studies describe the possible downstream signaling pathways induced upon TNFR activation and the resulting biological responses. This review will focus on the available data on TNFR1 and TNFR2, and illustrates their contributions to the pathophysiology of kidney diseases, their cellular and molecular roles, as well as their potential as CKD biomarkers. The emerging evidence shows that TNF receptors could act as biomarkers of renal damage and as mediators of the disease. Furthermore, it has been suggested that these biomarkers could significantly improve the discrimination of clinical CKD prognostic models.
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Affiliation(s)
- Irina Lousa
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (I.L.); (A.S.-S.)
- UCIBIO—Applied Molecular Biosciences Unit, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Flávio Reis
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal;
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3004-504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3000-075 Coimbra, Portugal
| | - Alice Santos-Silva
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (I.L.); (A.S.-S.)
- UCIBIO—Applied Molecular Biosciences Unit, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Luís Belo
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (I.L.); (A.S.-S.)
- UCIBIO—Applied Molecular Biosciences Unit, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
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Carroll EC, Marqusee S. Site-specific ubiquitination: Deconstructing the degradation tag. Curr Opin Struct Biol 2022; 73:102345. [PMID: 35247748 DOI: 10.1016/j.sbi.2022.102345] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/28/2021] [Accepted: 01/17/2022] [Indexed: 02/04/2023]
Abstract
Ubiquitin is a small eukaryotic protein so named for its cellular abundance and originally recognized for its role as the posttranslational modification (PTM) "tag" condemning substrates to degradation by the 26S proteasome. Since its discovery in the 1970s, protein ubiquitination has also been identified as a key regulatory feature in dozens of non-degradative cellular processes. This myriad of roles illustrates the versatility of ubiquitin as a PTM; however, understanding the cellular and molecular factors that enable discrimination between degradative versus non-degradative ubiquitination events has been a persistent challenge. Here, we discuss recent advances in uncovering how site-specificity - the exact residue that gets modified - modulates distinct protein fates and cellular outcomes with an emphasis on how ubiquitination site specificity regulates proteasomal degradation. We explore recent advances in structural biology, biophysics, and cell biology that have enabled a broader understanding of the role of ubiquitination in altering the dynamics of the target protein, including implications for the design of targeted protein degradation therapeutics.
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Affiliation(s)
- Emma C Carroll
- Institute for Neurodegenerative Diseases, University of California, San Francisco, San Francisco, CA, 94038, USA.
| | - Susan Marqusee
- Department of Molecular and Cell Biology, University of California Berkeley, Berkeley, CA, 94720, USA; QB3 Institute for Quantitative Biosciences, University of California Berkeley, Berkeley, CA, 94720, USA; Department of Chemistry, University of California Berkeley, Berkeley, CA, 94720, USA.
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Erol A. IKK-mediated CYLD phosphorylation and cellular redox activity. Mol Med 2022; 28:14. [PMID: 35109788 PMCID: PMC8811971 DOI: 10.1186/s10020-022-00439-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 01/17/2022] [Indexed: 01/12/2023] Open
Abstract
Oxidative stress is important in the development of obesity-related nephropathy (ORN). A causal relationship between IKK and ORN via CYLD-mediated inhibition of NRF2 has been described. However, contradictory explanations about the functioning of the mechanisms that will be effective in the pathogenesis require clarification.
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The deubiquitinase OTUD1 inhibits colonic inflammation by suppressing RIPK1-mediated NF-κB signaling. Cell Mol Immunol 2022; 19:276-289. [PMID: 34876703 PMCID: PMC8803853 DOI: 10.1038/s41423-021-00810-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 11/20/2021] [Accepted: 11/22/2021] [Indexed: 02/03/2023] Open
Abstract
The E3 ubiquitin ligase (E3)-mediated ubiquitination and deubiquitinase (DUB)-mediated deubiquitination processes are closely associated with the occurrence and development of colonic inflammation. Ovarian tumor deubiquitinase 1 (OTUD1) is involved in immunoregulatory functions linked to infectious diseases. However, the effect of OTUD1 on intestinal immune responses during colonic inflammatory disorders such as inflammatory bowel disease (IBD) remains unclear. Here, we show that loss of OTUD1 in mice contributes to the pathogenesis of dextran sulfate sodium (DSS)-induced colitis via excessive release of proinflammatory cytokines. In addition, bone marrow transplantation experiments revealed that OTUD1 in hematopoietic cells plays a dominant role in protection against colitis. Mechanistically, OTUD1 physically interacts with receptor-interacting serine/threonine-protein kinase 1 (RIPK1) and selectively cleaves K63-linked polyubiquitin chains from RIPK1 to inhibit the recruitment of NF-κB essential modulator (NEMO). Moreover, the expression of OTUD1 in mucosa samples from ulcerative colitis (UC) patients was lower than that in mucosa samples from healthy controls. Furthermore, we demonstrate that the UC-associated OTUD1 G430V mutation abolishes the ability of OTUD1 to inhibit RIPK1-mediated NF-κB activation and intestinal inflammation. Taken together, our study unveils a previously unexplored role of OTUD1 in moderating intestinal inflammation by inhibiting RIPK1-mediated NF-κB activation, suggesting that the OTUD1-RIPK1 axis could be a potential target for the treatment of IBD.
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Al-Botaty BM, Elkhoely A, K El-Sayed E, Ahmed AAE. Ethyl pyruvate attenuates isoproterenol-induced myocardial infarction in rats: Insight to TNF-α-mediated apoptotic and necroptotic signaling interplay. Int Immunopharmacol 2022; 103:108495. [PMID: 34973531 DOI: 10.1016/j.intimp.2021.108495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/04/2021] [Accepted: 12/19/2021] [Indexed: 01/17/2023]
Abstract
The current study investigated the prophylactic effect of ethyl pyruvate (EP) in Isoproterenol (ISO) - induced myocardial infarction (MI). Ethyl pyruvate (EP) was given at a dose of 100 mg/kg i.p for 7 days, while isoproterenol (ISO) was administered at a dose of 10 mg/kg s.c. on the 6th and 7th days to induce MI. All parameters were assessed 24 and 48 h following treatment. Interestingly, EP pre-treatment significantly improved ISO-induced hemodynamic alterations and remarkably ameliorated serum levels of cardiac injury markers, Cardiac Troponin I (cTnI) and Cardiac Creatine Kinase (CK-MB). Also, EP notably suppressed levels of oxidative stress markers, total antioxidants (TAO) and malondialdehyde (MDA) as compared to ISO-treated group. Cardioprotective effects of EP were confirmed by histopathological examination. Moreover, EP remarkably attenuated ISO-induced elevation in Tumor Necrosis Factor Alpha (TNF-α) and Nuclear factor kappa-B p65 (NF-κB) expression, along with Interleukin-6 (IL-6), Monocyte chemoattractant protein 1 (MCP-1) and Inducible nitric oxide synthase (i-NOS) levels. Also, EP significantly diminished expression of apoptotic markers; caspase 8, cleaved caspase 3 and apoptotic regulator; cellular FLICE-like inhibitory protein (cFLIP). Finally, EP notably mitigated necroptotic mediators, phosphorylated receptor-interacting serine/threonine protein kinase 1 and 3 (p-RIPK1 and p-RIPK3), phosphorylated mixed lineage kinase domain-like protein (p-MLKL) and heat shock protein 70 (HSP 70) expression as compared to the ISO-treated group. Our study was the first to investigate the effect of EP on the necroptotic signaling. Taken together, EP conferred its cardioprotective effect against ISO-induced MI partially through mitigation of TNF-α and its downstream inflammatory, apoptotic and necroptotic signaling pathways.
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Affiliation(s)
- Basant M Al-Botaty
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Abeer Elkhoely
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt.
| | - Elsayed K El-Sayed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Amany A E Ahmed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
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37
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Rucker AJ, Chan FKM. Tumor-intrinsic and immune modulatory roles of receptor-interacting protein kinases. Trends Biochem Sci 2022; 47:342-351. [PMID: 34998669 PMCID: PMC8917977 DOI: 10.1016/j.tibs.2021.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/26/2021] [Accepted: 12/09/2021] [Indexed: 12/11/2022]
Abstract
Receptor-interacting protein kinase 1 (RIPK1) and RIPK3 are signaling adaptors that critically regulate cell death and inflammation. Tumors have adapted to subvert RIPK-dependent cell death, suggesting that these processes have key roles in tumor regulation. Moreover, RIPK-driven cancer cell death might bolster durable antitumor immunity. By contrast, there are examples in which RIPKs induce inflammation and aid tumor progression. Furthermore, the RIPKs can exert their effects on tumor growth through regulating the activity of immune effectors in the tumor microenvironment, thus highlighting the context-dependent roles of RIPKs. Here, we review recent advances in the regulation of RIPK activity in tumors and immune cells and how these processes coordinate with each other to control tumorigenesis.
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Affiliation(s)
- A Justin Rucker
- Department of Immunology, Duke University School of Medicine, Durham, NC 27710-3010, USA
| | - Francis Ka-Ming Chan
- Department of Immunology, Duke University School of Medicine, Durham, NC 27710-3010, USA.
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38
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Abstract
The receptor-interacting protein kinase 1 (RIPK1) is recognized as a master upstream regulator that controls cell survival and inflammatory signaling as well as multiple cell death pathways, including apoptosis and necroptosis. The activation of RIPK1 kinase is extensively modulated by ubiquitination and phosphorylation, which are mediated by multiple factors that also control the activation of the NF-κB pathway. We discuss current findings regarding the genetic modulation of RIPK1 that controls its activation and interaction with downstream mediators, such as caspase-8 and RIPK3, to promote apoptosis and necroptosis. We also address genetic autoinflammatory human conditions that involve abnormal activation of RIPK1. Leveraging these new genetic and mechanistic insights, we postulate how an improved understanding of RIPK1 biology may support the development of therapeutics that target RIPK1 for the treatment of human inflammatory and neurodegenerative diseases.
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Affiliation(s)
- Daichao Xu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China;
| | - Chengyu Zou
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China;
| | - Junying Yuan
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201210, China;
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Over Fifty Years of Life, Death, and Cannibalism: A Historical Recollection of Apoptosis and Autophagy. Int J Mol Sci 2021; 22:ijms222212466. [PMID: 34830349 PMCID: PMC8618802 DOI: 10.3390/ijms222212466] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/02/2021] [Accepted: 11/03/2021] [Indexed: 01/18/2023] Open
Abstract
Research in biomedical sciences has changed dramatically over the past fifty years. There is no doubt that the discovery of apoptosis and autophagy as two highly synchronized and regulated mechanisms in cellular homeostasis are among the most important discoveries in these decades. Along with the advancement in molecular biology, identifying the genetic players in apoptosis and autophagy has shed light on our understanding of their function in physiological and pathological conditions. In this review, we first describe the history of key discoveries in apoptosis with a molecular insight and continue with apoptosis pathways and their regulation. We touch upon the role of apoptosis in human health and its malfunction in several diseases. We discuss the path to the morphological and molecular discovery of autophagy. Moreover, we dive deep into the precise regulation of autophagy and recent findings from basic research to clinical applications of autophagy modulation in human health and illnesses and the available therapies for many diseases caused by impaired autophagy. We conclude with the exciting crosstalk between apoptosis and autophagy, from the early discoveries to recent findings.
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40
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Lu Y, Zhang X, Hu W, Yang Q. The Identification of Candidate Biomarkers and Pathways in Atherosclerosis by Integrated Bioinformatics Analysis. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2021; 2021:6276480. [PMID: 34804194 PMCID: PMC8598374 DOI: 10.1155/2021/6276480] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 10/19/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Atherosclerosis (AS) is a type of yellow substance containing cholesterol in the intima of large and middle arteries, which is mostly caused by fat metabolism disorders and neurovascular dysfunction. MATERIALS AND METHODS The GSE100927 data got analyzed to find out the differentially expressed genes (DEGs) using the limma package in R software. Gene Ontology (GO) and the Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses of the DEGs were assessed by the Database for Annotation, Visualization, and Integrated Discovery (DAVID). The Search Tool for the Retrieval of Interacting Genes (STRING) visualized the Protein-Protein Interaction (PPI) network of the aggregated DEGs. GSEA software was used to verify the biological process. RESULT We screened 1574 DEGs from 69 groups of atherosclerotic carotid artery and 35 groups of control carotid artery, including 1033 upregulated DEGs and 541 downregulated DEGs. DEGs of AS were chiefly related to immune response, Epstein-Barr virus infection, vascular smooth muscle contraction, and cGMP-PKG signaling pathway. Through PPI networks, we found that the hub genes of AS were PTAFR, VAMP8, RNF19A, VPRBP, RNF217, KLHL42, NEDD4, SH3RF1, UBE2N, PJA2, RNF115, ITCH, SKP1, FBXW4, and UBE2H. GSEA analysis showed that GSE100927 was concentrated in RIPK1-mediated regulated necrosis, FC epsilon receptor fceri signaling, Fceri-mediated NF KB activation, TBC rabgaps, TRAF6-mediated induction of TAK1 complex within TLR4 complex, and RAB regulation of trafficking. CONCLUSION Our analysis reveals that immune response, Epstein-Barr virus infection, and so on were major signatures of AS. PTAFR, VAMP8, VPRBP, RNF217, KLHL42, and NEDD4 might facilitate the AS tumorigenesis, which could be new biomarkers for diagnosis and therapy of AS.
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Affiliation(s)
- Youwei Lu
- Department of Geriatrics, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai 201199, China
| | - Xi Zhang
- Department of Geriatrics, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai 201199, China
| | - Wei Hu
- Department of Cardiology, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai, China 201199
| | - Qianhong Yang
- Department of Geriatrics, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai 201199, China
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41
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Lu S, Wang Y, Liu J. TNF-α signaling in non-alcoholic steatohepatitis and targeted therapies. J Genet Genomics 2021; 49:269-278. [PMID: 34757037 DOI: 10.1016/j.jgg.2021.09.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/07/2021] [Accepted: 09/29/2021] [Indexed: 02/06/2023]
Abstract
Nonalcoholic steatohepatitis (NASH), an inflammatory subtype of nonalcoholic fatty liver disease (NAFLD), is featured by significantly elevated levels of various pro-inflammatory cytokines. Among numerous pro-inflammatory factors that contribute to NASH pathogenesis, the secreted protein, tumor necrosis factor-alpha (TNF-α) plays an essential role in multiple facets of NASH progression and is therefore considered as a potential therapeutic target. In this review, we will first systematically describe the preclinical studies on the biochemical function of TNF-α and its intracellular downstream signaling mechanisms through its receptors. Moreover, we extensively discuss its functions in regulating inflammation, cell death, and fibrosis of liver cells in the pathogenesis of NASH, and the molecular mechanism that TNF-α expression was regulated by NF-κB and other upstream master regulators during NASH progression. As TNF-α is one of the causal factors that remarkably contributes to NASH progression, combination of therapeutic modalities, including TNF-α-based therapies may lead to resolution of NASH via multiple pathways and thus generate clinical benefits. For translational studies, we summarize recent advances in strategies targeting TNF-α and its signaling pathway, which paves the way for potential therapeutic treatments for NASH in future.
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Affiliation(s)
- Sijia Lu
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Yibing Wang
- School of Kinesiology, Shanghai University of Sports, Shanghai 200438, China.
| | - Junli Liu
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China.
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42
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Wang Q, Fan D, Xia Y, Ye Q, Xi X, Zhang G, Xiao C. The latest information on the RIPK1 post-translational modifications and functions. Biomed Pharmacother 2021; 142:112082. [PMID: 34449307 DOI: 10.1016/j.biopha.2021.112082] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 08/17/2021] [Accepted: 08/17/2021] [Indexed: 12/21/2022] Open
Abstract
RIPK1 is a protein kinase that simultaneously regulates inflammation, apoptosis, and necroptosis. It is thought that RIPK1 has separate functions through its scaffold structure and kinase domains. Moreover, different post-translational modifications in RIPK1 play distinct or even opposing roles. Under different conditions, in different cells and species, and/or upon exposure to different stimuli, infections, and substrates, RIPK1 activation can lead to diverse results. Despite continuous research, many of the conclusions that have been drawn regarding the complex interactions of RIPK1 are controversial. This review is based on an examination and analysis of recent studies on the RIPK1 structure, post-translational modifications, and activation conditions, which can affect its functions. Finally, because of the diverse functions of RIPK1 and their relevance to the pathogenesis of many diseases, we briefly introduce the roles of RIPK1 in inflammatory and autoimmune diseases and the prospects of its use in future diagnostics and treatments.
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Affiliation(s)
- Qiong Wang
- Beijing University of Chinese Medicine, Beijing 100029, China; Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing 100029, China
| | - Danping Fan
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing 100029, China; Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing 100193, China
| | - Ya Xia
- Beijing University of Chinese Medicine, Beijing 100029, China; Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing 100029, China
| | - Qinbin Ye
- Beijing University of Chinese Medicine, Beijing 100029, China; Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing 100029, China
| | - Xiaoyu Xi
- Beijing University of Chinese Medicine, Beijing 100029, China; Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing 100029, China
| | - Guoqiang Zhang
- Department of Emergency, China-Japan Friendship Hospital, Beijing 100029, China.
| | - Cheng Xiao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing 100029, China; Department of Emergency, China-Japan Friendship Hospital, Beijing 100029, China.
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43
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Tu H, Tang Y, Zhang J, Cheng L, Joo D, Zhao X, Lin X. Linear Ubiquitination of RIPK1 on Lys 612 Regulates Systemic Inflammation via Preventing Cell Death. THE JOURNAL OF IMMUNOLOGY 2021; 207:602-612. [PMID: 34162724 DOI: 10.4049/jimmunol.2100299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 05/12/2021] [Indexed: 01/02/2023]
Abstract
Receptor-interacting protein kinase-1 (RIPK1) is a master regulator of the TNF-α-induced cell death program. The function of RIPK1 is tightly controlled by posttranslational modifications, including linear ubiquitin chain assembly complex-mediated linear ubiquitination. However, the physiological function and molecular mechanism by which linear ubiquitination of RIPK1 regulates TNF-α-induced intracellular signaling remain unclear. In this article, we identified Lys627 residue as a major linear ubiquitination site in human RIPK1 (or Lys612 in murine RIPK1) and generated Ripk1K612R/K612R mice, which spontaneously develop systemic inflammation triggered by sustained emergency hematopoiesis. Mechanistically, without affecting NF-κB activation, Ripk1K612R/K612R mutation enhances apoptosis and necroptosis activation and promotes TNF-α-induced cell death. The systemic inflammation and hematopoietic disorders in Ripk1K612R/K612R mice are completely abolished by deleting TNF receptor 1 or both RIPK3 and Caspase-8. These data suggest the critical role of TNF-α-induced cell death in the resulting phenotype in Ripk1K612R/K612R mice. Together, our results demonstrate that linear ubiquitination of RIPK1 on K612 is essential for limiting TNF-α-induced cell death to further prevent systemic inflammation.
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Affiliation(s)
- Hailin Tu
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing, China
| | - Yong Tang
- Department of Molecular Biology, Princeton University, Princeton, NJ; and
| | - Jie Zhang
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing, China
| | - Liqing Cheng
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing, China
| | - Donghyun Joo
- Department of Molecular and Cellular Oncology, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Xueqiang Zhao
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing, China
| | - Xin Lin
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing, China;
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Cadmium exposure induces inflammation and necroptosis in porcine adrenal gland via activating NF-κB/MAPK pathway. J Inorg Biochem 2021; 223:111516. [PMID: 34237625 DOI: 10.1016/j.jinorgbio.2021.111516] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 02/06/2023]
Abstract
Cadmium (Cd) is a heavy metal harmful to animals and humans. Cd exposure causes inflammation or necroptosis in many tissues, including adrenal tissue. However, the current researches on the effects of Cd2+ in adrenal tissues are not enough. Therefore, in our experiment Cd chloride (CdCl2) was added to the piglet's diet at a concentration of 20 mg/kg to study the effects of Cd2+ exposure on the porcine adrenal tissue. Our results showed that Cd2+ exposure could cause inflammation by activating the nuclear factor kappa-B (NF-κB) pathway, which in turn induced necroptosis in adrenal tissue with the activated mitogen-activated protein kinase (MAPK) pathway. The expression increase of inflammatory factors and necroptosis downstream genes, and the downregualtion of cysteinyl aspartate specific proteinase 8 (Caspase 8) proved that Cd2+ exposure caused inflammation and necroptosis in adrenal tissue. We conclude that this report provides more basic theoretical data for exploring the mechanism of adrenal injury.
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Zhang C, Wang Y, Chen J, Yang S, Wang Y. Controlled decompression alleviates early brain injury in rabbit intracranial hypertension model by regulating apoptosis/necroptosis. Acta Cir Bras 2021; 36:e360406. [PMID: 34076083 PMCID: PMC8184258 DOI: 10.1590/acb360406] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 03/10/2021] [Indexed: 11/24/2022] Open
Abstract
Purpose To evaluate the effects of controlled decompression and rapid decompression,
explore the potential mechanism, provide the theoretical basis for the
clinical application, and explore the new cell death method in intracranial
hypertension. Methods Acute intracranial hypertension was triggered in rabbits by epidural balloon
compression. New Zealand white rabbits were randomly put into the sham
group, the controlled decompression group, and the rapid decompression
group. Brain water content, etc., was used to evaluate early brain injury.
Western blotting and double immunofluorescence staining were used to detect
necroptosis and apoptosis. Results Brain edema, neurological dysfunction, and brain injury appeared after
traumatic brain injury (TBI). Compared with rapid decompression, brain water
content was significantly decreased, neurological scores were improved by
controlled decompression treatment. Terminal deoxynucleotidyl transferase
dUTP nick end labeling (TUNEL) staining and Nissl staining showed neuron
death decreased in the controlled decompression group. Compared with rapid
decompression, it was also found that apoptosis-related protein caspase-3/
tumor necrosis factor (TNF)-a was reduced markedly in the brain cortex and
serum, and the expression levels of necroptosis-related protein,
receptor-interacting protein 1 (RIP1)/receptor-interacting protein 1 (RIP3)
reduced significantly in the controlled decompression group. Conclusions Controlled decompression can effectively reduce neuronal damage and cerebral
edema after craniocerebral injury and, thus, protect the brain tissue by
alleviating necroptosis and apoptosis.
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Affiliation(s)
- Can Zhang
- Wuxi Medical College of Anhui Medical University, China
| | - Yue Wang
- Wuxi Medical College of Anhui Medical University, China
| | - Junhui Chen
- Wuxi Medical College of Anhui Medical University, China
| | - Shuo Yang
- Wuxi Medical College of Anhui Medical University, China
| | - Yuhai Wang
- Wuxi Medical College of Anhui Medical University, China
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