1
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Ping Z, Shuxia Z, Xinyu D, Kehe H, Xingxiang C, Chunfeng W. Mitophagy-regulated Necroptosis plays a vital role in the nephrotoxicity of Fumonisin B1 in vivo and in vitro. Food Chem Toxicol 2024; 189:114714. [PMID: 38705344 DOI: 10.1016/j.fct.2024.114714] [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: 02/17/2024] [Revised: 04/20/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
Fumonisin B1 (FB1), one of the most widely distributed mycotoxins found in grains and feeds as contaminants, affects many organs including the kidney once ingested. However, the nephrotoxicity of FB1 remains to be further uncovered. The connection between necroptosis and nephrotoxicity of FB1 has been investigated in this study. The results showed that mice exposed to high doses of FB1 (2.25 mg/kg b.w.) developed kidney damage, with significant increases in proinflammatory cytokines (Il-6, Il-1β), kidney injury-related markers (Ngal, Ntn-1), and gene expressions linked to necroptosis (Ripk1, Ripk3, Mlkl). The concentration-dependent damage effects of FB1 on PK-15 cells contain cytotoxicity, cellular inflammatory response, and necroptosis. These FB1-induced effects can be neutralized by pretreatment with the necroptosis inhibitor Nec-1. Additionally, FB1 caused mitochondrial damage and mitophagy in vivo and in vitro, whereas Mdivi-1, a mitophagy inhibitor, prevented these effects on PK-15 cells as well as, more crucially, necroptosis. In conclusion, the RIPK1/RIPK3/MLKL signal route of necroptosis, which may be controlled by mitophagy, mediated nephrotoxicity of FB1. Our findings clarify the underlying molecular pathways of FB1-induced nephrotoxicity.
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Affiliation(s)
- Zhang Ping
- College of Veterinary Medicine, Institute of Animal Nutritional Health, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Zhang Shuxia
- College of Veterinary Medicine, Institute of Animal Nutritional Health, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Du Xinyu
- College of Veterinary Medicine, Institute of Animal Nutritional Health, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Huang Kehe
- College of Veterinary Medicine, Institute of Animal Nutritional Health, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Chen Xingxiang
- College of Veterinary Medicine, Institute of Animal Nutritional Health, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China.
| | - Wang Chunfeng
- College of Animal Medicine, Jilin Agricultural University, Changchun, 130118, Jilin Province, China.
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2
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Chen KQ, Wang SZ, Lei HB, Liu X. Necrostatin-1: a promising compound for neurological disorders. Front Cell Neurosci 2024; 18:1408364. [PMID: 38994325 PMCID: PMC11236683 DOI: 10.3389/fncel.2024.1408364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 06/17/2024] [Indexed: 07/13/2024] Open
Abstract
Necrostatin-1, a small molecular alkaloid, was identified as an inhibitor of necroptosis in 2005. Investigating the fundamental mechanism of Necrostatin-1 and its role in various diseases is of great significance for scientific and clinical research. Accumulating evidence suggests that Necrostatin-1 plays a crucial role in numerous neurological disorders. This review aims to provide a comprehensive overview of the potential functions of Necrostatin-1 in various neurological disorders, offering valuable insights for future research.
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Affiliation(s)
- Ke-Qian Chen
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, China
| | - Shu-Zhi Wang
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Sciences, University of South China, Hengyang, China
| | - Hai-Bo Lei
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, China
| | - Xiang Liu
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, China
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3
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Cao X, Peng S, Yan Y, Li J, Zhou J, Dai H, Xu J. Alleviation of temporomandibular joint osteoarthritis by targeting RIPK1-mediated inflammatory signalling. J Cell Mol Med 2024; 28:e17929. [PMID: 37643315 PMCID: PMC10902568 DOI: 10.1111/jcmm.17929] [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: 07/11/2023] [Revised: 08/11/2023] [Accepted: 08/18/2023] [Indexed: 08/31/2023] Open
Abstract
Temporomandibular joint osteoarthritis (TMJOA), prevalent in adolescents and the elderly, has serious physical and psychological consequences. TMJOA is a degenerative disease of the cartilage and bone, mostly driven by inflammation, and synoviocytes are the first and most important inflammatory factor releasers. Receptor-interacting serine/threonine-protein kinase (RIPK1) promotes inflammatory response and cell death during an array of illnesses. This research aimed to explore the impacts of RIPK1 inhibitor therapy in TMJOA and the mechanism of RIPK1 in inducing inflammation during TMJOA. Herein, inhibition of RIPK1 suppressed the elevated levels of inflammatory factors, nuclear factor kappa B (NF-κB), along with markers of apoptosis and necroptosis after tumour necrosis factor (TNF)-α/cycloheximide (CHX) treatment in synoviocytes. Moreover, inflammation models were constructed in vivo through complete Freund's adjuvant (CFA) induction and disc perforation, and the findings supported that RIPK1 inhibition protected TMJ articular cartilage against progressive degradation. RIPK1 regulates NF-κB activation via cellular inhibitor of apoptosis proteins (cIAP), apoptosis via caspase-8, and necroptosis via RIPK3/mixed lineage kinase domain-like (MLKL) in synoviocytes, which in turn facilitates TMJOA inflammation progression.
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Affiliation(s)
- Xin Cao
- College of Stomatology, Chongqing Medical UniversityChongqingChina
- Chongqing Key Laboratory of Oral Diseases and Biomedical SciencesChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
| | - Sisi Peng
- College of Stomatology, Chongqing Medical UniversityChongqingChina
- Chongqing Key Laboratory of Oral Diseases and Biomedical SciencesChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
| | - Ying Yan
- College of Stomatology, Chongqing Medical UniversityChongqingChina
- Chongqing Key Laboratory of Oral Diseases and Biomedical SciencesChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
| | - Jun Li
- College of Stomatology, Chongqing Medical UniversityChongqingChina
- Chongqing Key Laboratory of Oral Diseases and Biomedical SciencesChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
| | - Jianping Zhou
- College of Stomatology, Chongqing Medical UniversityChongqingChina
- Chongqing Key Laboratory of Oral Diseases and Biomedical SciencesChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
| | - Hongwei Dai
- College of Stomatology, Chongqing Medical UniversityChongqingChina
- Chongqing Key Laboratory of Oral Diseases and Biomedical SciencesChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
| | - Jie Xu
- College of Stomatology, Chongqing Medical UniversityChongqingChina
- Chongqing Key Laboratory of Oral Diseases and Biomedical SciencesChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
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4
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Ye Z, Zhang N, Lei H, Yao H, Fu J, Zhang N, Xu L, Zhou G, Liu Z, Lv Y. Immunogenic necroptosis in liver diseases: mechanisms and therapeutic potential. J Mol Med (Berl) 2023; 101:1355-1363. [PMID: 37740787 DOI: 10.1007/s00109-023-02363-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 08/07/2023] [Accepted: 08/18/2023] [Indexed: 09/25/2023]
Abstract
Necroptosis has received increasing attention and is extensively studied as a recently discovered mode of cell death distinct from necrosis and apoptosis. It is a programmed cell death with a necrotic morphology that occurs in various biological processes, including inflammation, immune response, embryonic development, and metabolic abnormalities. Necroptosis is indispensable in maintaining tissue homeostasis in vivo and closely correlates with the occurrence and development of various diseases. First, we outlined the etiology of necroptosis and how it affects the onset and development of prevalent liver diseases in this review. Additionally, we reviewed the therapeutic strategy by targeting the necroptosis pathway in related liver diseases. We conclude that the necroptosis signaling pathway is critical in the physiological control of liver diseases' onset, progression, and prognosis. It will likely be used as a therapeutic target in the future. Further research is required to determine the mechanisms governing the necroptosis signaling pathway and the effector molecules.
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Affiliation(s)
- Zirui Ye
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Nana Zhang
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710049, China
| | - Hong Lei
- Shaanxi Institute for Pediatric Diseases, The Affiliated Children's Hospital of Xi'an Jiaotong University, Xi'an, 710003, China
| | - Huimin Yao
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jingya Fu
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Nan Zhang
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Lexuan Xu
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Guxiang Zhou
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Zhijun Liu
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China.
- Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China.
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710049, China.
| | - Yi Lv
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China.
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China.
- Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China.
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710049, China.
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5
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Li X, Wang J, Li Y, He W, Cheng QJ, Liu X, Xu DL, Jiang ZG, Xiao X, He YH. The gp130/STAT3-endoplasmic reticulum stress axis regulates hepatocyte necroptosis in acute liver injury. Croat Med J 2023; 64:149-163. [PMID: 37391912 PMCID: PMC10332293 DOI: 10.3325/cmj.2023.64.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 05/25/2023] [Indexed: 08/30/2023] Open
Abstract
AIM To investigate the effect of the gp130/STAT3-endoplasmic reticulum (ER) stress axis on hepatocyte necroptosis during acute liver injury. METHODS ER stress and liver injury in LO2 cells were induced with thapsigargin, and in BALB/c mice with tunicamycin and carbon tetrachloride (CCl4). Glycoprotein 130 (gp130) expression, the degrees of ER stress, and hepatocyte necroptosis were assessed. RESULTS ER stress significantly upregulated gp130 expression in LO2 cells and mouse livers. The silencing of activating transcription factor 6 (ATF6), but not of ATF4, increased hepatocyte necroptosis and mitigated gp130 expression in LO2 cells and mice. Gp130 silencing reduced the phosphorylation of CCl4-induced signal transducer and activator of transcription 3 (STAT3), and aggravated ER stress, necroptosis, and liver injury in mice. CONCLUSION ATF6/gp130/STAT3 signaling attenuates necroptosis in hepatocytes through the negative regulation of ER stress during liver injury. Hepatocyte ATF6/gp130/STAT3 signaling may be used as a therapeutic target in acute liver injury.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Yi-Huai He
- Yi-Huai He, Department of Infectious Diseases, Affiliated Hospital of Zunyi Medical University, No. 201 Dalian Street, Zunyi, 563000, Guizhou, China,
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6
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Yan L, Li Y, Tan T, Qi J, Fang J, Guo H, Ren Z, Gou L, Geng Y, Cui H, Shen L, Yu S, Wang Z, Zuo Z. RAGE-TLR4 Crosstalk Is the Key Mechanism by Which High Glucose Enhances the Lipopolysaccharide-Induced Inflammatory Response in Primary Bovine Alveolar Macrophages. Int J Mol Sci 2023; 24:ijms24087007. [PMID: 37108174 PMCID: PMC10138623 DOI: 10.3390/ijms24087007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/04/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
The receptor of advanced glycation end products (RAGE) and Toll-like receptor 4 (TLR4) are important receptors for inflammatory responses induced by high glucose (HG) and lipopolysaccharide (LPS) and show crosstalk phenomena in inflammatory responses. However, it is unknown whether RAGE and TLR4 can influence each other's expression through a crosstalk mechanism and whether the RAGE-TLR4 crosstalk related to the molecular mechanism of HG enhances the LPS-induced inflammatory response. In this study, the implications of LPS with multiple concentrations (0, 1, 5, and 10 μg/mL) at various treatment times (0, 3, 6, 12, and 24 h) in primary bovine alveolar macrophages (BAMs) were explored. The results showed that a 5 μg/mL LPS treatment at 12 h had the most significant increment on the pro-inflammatory cytokine interleukin 1β (IL-1β), IL-6, and tumor necrosis factor (TNF)-α levels in BAMs (p < 0.05) and that the levels of TLR4, RAGE, MyD88, and NF-κB p65 mRNA and protein expression were upregulated (p < 0.05). Then, the effect of LPS (5 μg/mL) and HG (25.5 mM) co-treatment in BAMs was explored. The results further showed that HG significantly enhanced the release of IL-1β, IL-6, and TNF-α caused by LPS in the supernatant (p < 0.01) and significantly increased the levels of RAGE, TLR4, MyD88, and NF-κB p65 mRNA and protein expression (p < 0.01). Pretreatment with FPS-ZM1 and TAK-242, the inhibitors of RAGE and TLR4, significantly alleviated the HG + LPS-induced increment of RAGE, TLR4, MyD88, and NF-κB p65 mRNA and protein expression in the presence of HG and LPS (p < 0.01). This study showed that RAGE and TLR4 affect each other's expression through crosstalk during the combined usage of HG and LPS and synergistically activate the MyD88/NF-κB signaling pathway to promote the release of pro-inflammatory cytokines in BAMs.
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Affiliation(s)
- Longfei Yan
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Yanran Li
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Tianyu Tan
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Jiancheng Qi
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Jing Fang
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Hongrui Guo
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Zhihua Ren
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Liping Gou
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Yi Geng
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Hengmin Cui
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Liuhong Shen
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Shumin Yu
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
| | - Zhisheng Wang
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611134, China
| | - Zhicai Zuo
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611134, China
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7
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A Glimpse of necroptosis and diseases. Biomed Pharmacother 2022; 156:113925. [DOI: 10.1016/j.biopha.2022.113925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/18/2022] [Accepted: 10/24/2022] [Indexed: 11/24/2022] Open
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8
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Qiang R, Liu XZ, Xu JC. The Immune Pathogenesis of Acute-On-Chronic Liver Failure and the Danger Hypothesis. Front Immunol 2022; 13:935160. [PMID: 35911735 PMCID: PMC9329538 DOI: 10.3389/fimmu.2022.935160] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 06/20/2022] [Indexed: 11/21/2022] Open
Abstract
Acute-on-chronic liver failure (ACLF) is a group of clinical syndromes related to severe acute liver function impairment and multiple-organ failure caused by various acute triggering factors on the basis of chronic liver disease. Due to its severe condition, rapid progression, and high mortality, it has received increasing attention. Recent studies have shown that the pathogenesis of ACLF mainly includes direct injury and immune injury. In immune injury, cytotoxic T lymphocytes (CTLs), dendritic cells (DCs), and CD4+ T cells accumulate in the liver tissue, secrete a variety of proinflammatory cytokines and chemokines, and recruit more immune cells to the liver, resulting in immune damage to the liver tissue, massive hepatocyte necrosis, and liver failure, but the key molecules and signaling pathways remain unclear. The “danger hypothesis” holds that in addition to the need for antigens, damage-associated molecular patterns (DAMPs) also play a very important role in the occurrence of the immune response, and this hypothesis is related to the pathogenesis of ACLF. Here, the research status and development trend of ACLF, as well as the mechanism of action and research progress on various DAMPs in ACLF, are summarized to identify biomarkers that can predict the occurrence and development of diseases or the prognosis of patients at an early stage.
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Affiliation(s)
- Rui Qiang
- The Affiliated Infectious Diseases Hospital, Suzhou Medical College of Soochow University, Suzhou, China
| | - Xing-Zi Liu
- Key Laboratory of Oral Diseases Research of Anhui Province, College and Hospital of Stomatology, Anhui Medical University, Hefei, China
| | - Jun-Chi Xu
- The Affiliated Infectious Diseases Hospital, Suzhou Medical College of Soochow University, Suzhou, China
- Key Laboratory of Infection and Immunity of Suzhou City, The Fifth People’s Hospital of Suzhou, Suzhou, China
- *Correspondence: Jun-Chi Xu,
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9
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Toll-like receptor 4-mediated necroptosis in the development of necrotizing enterocolitis. Pediatr Res 2022; 91:73-82. [PMID: 33731807 PMCID: PMC8770135 DOI: 10.1038/s41390-021-01457-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 02/18/2021] [Accepted: 02/22/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND Dramatic intestinal epithelial cell death leading to barrier dysfunction is one of the mechanism of neonatal necrotizing enterocolitis (NEC), in which Toll-like receptor 4 (TLR4) plays a pivotal role. This study explored the role of necroptosis, a drastic way of cell death in NEC. METHODS The expression of necroptotic proteins was tested in NEC intestinal tissue and compared with controls. NEC was induced in neonatal wild-type mice and a necroptosis inhibitor was given to investigate whether NEC could be relieved. The general condition, macroscopic scoring, and histological evaluations were performed. The expression of tight junction proteins, inflammatory cytokines, and necroptosis-related proteins was measured, and barrier function was examined. Then, NEC was induced in TLR4-knockout pups to confirm the role of TLR4 in necroptosis. RESULTS Necroptotic proteins were significantly upregulated in both NEC patient and animal models, together with the expression of TLR4. NEC could be relieved and inflammatory infiltration was decreased by necrostatin-1s. TLR4-knockout mice showed milder tissue degradation and less necroptosis after NEC induction. CONCLUSIONS Necroptosis is an essential pathological process of NEC. TLR4 may be one stimulator of necroptosis in NEC. Inhibiting the intestinal cell necroptosis might be a useful strategy in the treatment of NEC. IMPACT Necroptosis is a key pathological process in NEC, which appears to involve TLR4. Anti-necroptosis treatment is a promising strategy that could significantly relieve the symptoms of NEC.
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10
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Khodayar MJ, Kalantari H, Khorsandi L, Ahangar N, Samimi A, Alidadi H. Taurine attenuates valproic acid-induced hepatotoxicity via modulation of RIPK1/RIPK3/MLKL-mediated necroptosis signaling in mice. Mol Biol Rep 2021; 48:4153-4162. [PMID: 34032977 DOI: 10.1007/s11033-021-06428-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 05/20/2021] [Indexed: 01/18/2023]
Abstract
Valproic acid (VPA) is known as a common drug in seizure and bipolar disorders treatment. Hepatotoxicity is the most important complication of VPA. Taurine (Tau), an amino acid, has antioxidant effects. The present research was conducted to evaluate the protective mechanisms of Tau on VPA-induced liver injury, especially focusing on the necroptosis signaling pathway. The sixty-four male NMRI mice were divided into eight groups with eight animals per each. The experiment groups pretreated with Tau (250, 500, 1000 mg/kg) and necrostatine-1 (Nec-1, 1.8 mg/kg) and then VPA (500 mg/kg) was administered for 14 consecutive days. The extent of VPA-induced hepatotoxicity was confirmed by elevated ALP (alkaline phosphatase), AST (aspartate aminotransferase), ALT (alanine aminotransferase) levels, and histological changes as steatosis, accumulation of erythrocytes, and inflammation. Additionally, VPA significantly induced oxidative stress in the hepatic tissue by increasing ROS (reactive oxygen species) production and lipid peroxidation level along with decreasing GSH (glutathione). Hepatic TNF-α (tumor necrosis factor) level, mRNA and protein expression of RIPK1 (receptor-interacting protein kinase 1), RIPK3, and MLKL (mixed lineage kinase domain-like pseudokinase) were upregulated. Also, the phosphorylation of MLKL and RIPK3 increased in the VPA group. Tau could effectively reverse these events. Our data suggest which necroptosis has a key role in the toxicity of VPA through TNF-α-mediated RIPK1/RIPK3/MLKL signaling and oxidative stress. Our findings suggest that Tau protects the liver tissue against VPA toxicity via inhibiting necroptosis signaling pathway mediated by RIPK1/RIPK3/MLKL and suppressing oxidative stress, and apoptosis.
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Affiliation(s)
- Mohammad Javad Khodayar
- Toxicology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Heibatullah Kalantari
- Department of Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Medicinal Plant Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Layasadat Khorsandi
- Department of Anatomical Sciences, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Cellular and Molecular Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nematollah Ahangar
- Department of Pharmacology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Azin Samimi
- Legal Medicine Research Center, Legal Medicine Organization, Legal Medicine Office of Khuzestan, Ahvaz, Iran
| | - Hadis Alidadi
- Department of Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. .,Medicinal Plant Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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11
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Agelidis A, Turturice BA, Suryawanshi RK, Yadavalli T, Jaishankar D, Ames J, Hopkins J, Koujah L, Patil CD, Hadigal SR, Kyzar EJ, Campeau A, Wozniak JM, Gonzalez DJ, Vlodavsky I, Li JP, Perkins DL, Finn PW, Shukla D. Disruption of innate defense responses by endoglycosidase HPSE promotes cell survival. JCI Insight 2021; 6:144255. [PMID: 33621216 PMCID: PMC8119219 DOI: 10.1172/jci.insight.144255] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 02/18/2021] [Indexed: 01/03/2023] Open
Abstract
The drive to withstand environmental stresses and defend against invasion is a universal trait extant in all forms of life. While numerous canonical signaling cascades have been characterized in detail, it remains unclear how these pathways interface to generate coordinated responses to diverse stimuli. To dissect these connections, we followed heparanase (HPSE), a protein best known for its endoglycosidic activity at the extracellular matrix but recently recognized to drive various forms of late-stage disease through unknown mechanisms. Using herpes simplex virus-1 (HSV-1) infection as a model cellular perturbation, we demonstrate that HPSE acts beyond its established enzymatic role to restrict multiple forms of cell-intrinsic defense and facilitate host cell reprogramming by the invading pathogen. We reveal that cells devoid of HPSE are innately resistant to infection and counteract viral takeover through multiple amplified defense mechanisms. With a unique grasp of the fundamental processes of transcriptional regulation and cell death, HPSE represents a potent cellular intersection with broad therapeutic potential.
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Affiliation(s)
- Alex Agelidis
- Department of Microbiology and Immunology
- Department of Ophthalmology and Visual Sciences, and
| | - Benjamin A. Turturice
- Department of Microbiology and Immunology
- Division of Pulmonary, Critical Care, Sleep, and Allergy, Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA
| | | | | | - Dinesh Jaishankar
- Department of Ophthalmology and Visual Sciences, and
- Department of Dermatology, Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Illinois, USA
| | - Joshua Ames
- Department of Microbiology and Immunology
- Department of Ophthalmology and Visual Sciences, and
| | - James Hopkins
- Department of Microbiology and Immunology
- Department of Ophthalmology and Visual Sciences, and
| | - Lulia Koujah
- Department of Microbiology and Immunology
- Department of Ophthalmology and Visual Sciences, and
| | | | | | - Evan J. Kyzar
- Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Anaamika Campeau
- Department of Pharmacology and
- Skaggs School of Pharmacy, UCSD, San Diego, La Jolla, California, USA
| | - Jacob M. Wozniak
- Department of Pharmacology and
- Skaggs School of Pharmacy, UCSD, San Diego, La Jolla, California, USA
| | - David J. Gonzalez
- Department of Pharmacology and
- Skaggs School of Pharmacy, UCSD, San Diego, La Jolla, California, USA
| | - Israel Vlodavsky
- Technion Integrated Cancer Center (TICC), Rappaport Faculty of Medicine, Technion, Haifa, Israel
| | - Jin-ping Li
- Department of Medical Biochemistry and Microbiology, University of Uppsala, Uppsala, Sweden
| | - David L. Perkins
- Division of Nephrology, Department of Medicine, and
- Department of Surgery, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Patricia W. Finn
- Department of Microbiology and Immunology
- Division of Pulmonary, Critical Care, Sleep, and Allergy, Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Deepak Shukla
- Department of Microbiology and Immunology
- Department of Ophthalmology and Visual Sciences, and
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12
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Tian RD, Chen YQ, He YH, Tang YJ, Chen GM, Yang FW, Li Y, Huang WG, Chen H, Liu X, Lin SD. Phosphorylation of eIF2α mitigates endoplasmic reticulum stress and hepatocyte necroptosis in acute liver injury. Ann Hepatol 2021; 19:79-87. [PMID: 31548168 DOI: 10.1016/j.aohep.2019.05.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/26/2019] [Accepted: 05/27/2019] [Indexed: 02/06/2023]
Abstract
INTRODUCTION AND OBJECTIVES Necroptosis and endoplasmic reticulum (ER) stress has been implicated in acute and chronic liver injury. Activated eukaryotic initiation factor 2 alpha (eIF2α) attenuates protein synthesis and relieves the load of protein folding in the ER. In this study, we aimed to analyze the impact of eIF2α phosphorylation on hepatocyte necroptosis in acute liver injury. MATERIALS AND METHODS Male BALB/c mice were injected with tunicamycin or d-galactosamine, and LO2 cells were incubated with tunicamycin to induce acute liver injury. 4-Phenylbutyric acid (PBA) and salubrinal were used to inhibit ER stress and eIF2α dephosphorylation, respectively. We analyzed the eIF2α phosphorylation, ER stress, and hepatocyte necroptosis in mice and cells model. RESULTS Tunicamycin or d-galactosamine significantly induced ER stress and necroptosis, as well as eIF2α phosphorylation, in mice and LO2 cells (p<0.05). ER stress aggravated tunicamycin-induced hepatocyte necroptosis in mice and LO2 cells (p<0.05). Elevated eIF2α phosphorylation significantly mitigated hepatocyte ER stress (p<0.05) and hepatocyte necroptosis in mice (34.37±3.39% vs 22.53±2.18%; p<0.05) and LO2 cells (1±0.11 vs 0.33±0.05; p<0.05). Interestingly, tumor necrosis factor receptor (TNFR) 1 protein levels were not completely synchronized with necroptosis. TNFR1 expression was reduced in d-galactosamine-treated mice (p<0.05) and cells incubated with tunicamycin for 12 and 24h (p<0.05). ER stress partially restored TNFR1 expression and increased necroptosis in tunicamycin-incubated cells (p<0.05). CONCLUSIONS These results imply that ER stress can mediate hepatocyte necroptosis independent of TNFR1 signaling and elevated eIF2α phosphorylation can mitigate ER stress during acute liver injury.
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Affiliation(s)
- Ren-Dong Tian
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
| | - Yi-Qun Chen
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
| | - Yi-Huai He
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China.
| | - Yong-Jing Tang
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
| | - Gui-Mei Chen
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
| | - Fang-Wan Yang
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
| | - Ying Li
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
| | - Wen-Ge Huang
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
| | - Huan Chen
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
| | - Xia Liu
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
| | - Shi-De Lin
- Department of Infectious Diseases, the Affiliated Hospital of Zunyi Medical College, ZunyiGuizhou, China
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13
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Abstract
Necroptosis is a noncaspase-dependent and precisely regulated mechanism of cell death. Necroptosis is mainly initiated by members of the tumor necrosis factor receptor (TNFR) and Toll-like receptor (TLR) families, interferon, intracellular RNA and DNA sensors and other mediators. Subsequently, the protein kinase RIPK1 (receptor-interacting protein kinase 1) and RIPK3 interact with the receptor protein, which transduces death signals and further recruits and phosphorylates MLKL (mixed lineage kinase domain-like protein). MLKL serves as the initiator of cell death and eventually induces necroptosis. It was found that necroptosis is not only involved in the physiological regulation but also in the occurrence, development and prognosis of some necrotic diseases, especially infectious diseases. Intervention in the necroptosis signaling pathway is helpful for removing pathogens, inhibiting the development of lesions, and promoting the remodeling of tissue. In-depth study of the molecular regulation mechanism of necroptosis and its relationship with the pathogenesis of infectious diseases will help to provide new ideas and directions for research of the pathological mechanisms and clinical prevention of infectious diseases.
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Affiliation(s)
- Xiaojing Xia
- Post-Doctoral Research Station, Henan Agriculture University, No. 63, Nonye Road, Zhengzhou, 450002, People's Republic of China.,College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, People's Republic of China.,Postdoctoral Research Base, Henan Institute of Science and Technology, No. 90, Hualan Street, Xinxiang, 453003, Henan, People's Republic of China
| | - Liancheng Lei
- College of Veterinary Medicine, Jilin University, Changchun, 130062, People's Republic of China
| | - Song Wang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, People's Republic of China.,Postdoctoral Research Base, Henan Institute of Science and Technology, No. 90, Hualan Street, Xinxiang, 453003, Henan, People's Republic of China
| | - Jianhe Hu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, People's Republic of China. .,Postdoctoral Research Base, Henan Institute of Science and Technology, No. 90, Hualan Street, Xinxiang, 453003, Henan, People's Republic of China.
| | - Gaiping Zhang
- Post-Doctoral Research Station, Henan Agriculture University, No. 63, Nonye Road, Zhengzhou, 450002, People's Republic of China.
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14
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Cao L, Mu W. Necrostatin-1 and necroptosis inhibition: Pathophysiology and therapeutic implications. Pharmacol Res 2020; 163:105297. [PMID: 33181319 PMCID: PMC7962892 DOI: 10.1016/j.phrs.2020.105297] [Citation(s) in RCA: 128] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/17/2020] [Accepted: 11/03/2020] [Indexed: 12/12/2022]
Abstract
Necrostatin-1 (Nec-1) is a RIP1-targeted inhibitor of necroptosis, a form of programmed cell death discovered and investigated in recent years. There are already many studies demonstrating the essential role of necroptosis in various diseases, including inflammatory diseases, cardiovascular diseases and neurological diseases. However, the potential of Nec-1 in diseases has not received much attention. Nec-1 is able to inhibit necroptosis signaling pathway and thus ameliorate necroptotic cell death in disease development. Recent research findings indicate that Nec-1 could be applied in several types of diseases to alleviate disease development or improve prognosis. Moreover, we predict that Nec-1 has the potential to protect against the complications of coronavirus disease 2019 (COVID-19). This review summarized the effect of Nec-1 in disease models and the underlying molecular mechanism, providing research evidence for its future application.
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Affiliation(s)
- Liyuan Cao
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Wei Mu
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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15
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Mifflin L, Ofengeim D, Yuan J. Receptor-interacting protein kinase 1 (RIPK1) as a therapeutic target. Nat Rev Drug Discov 2020; 19:553-571. [PMID: 32669658 PMCID: PMC7362612 DOI: 10.1038/s41573-020-0071-y] [Citation(s) in RCA: 231] [Impact Index Per Article: 57.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2020] [Indexed: 02/08/2023]
Abstract
Receptor-interacting serine/threonine-protein kinase 1 (RIPK1) is a key mediator of cell death and inflammation. The unique hydrophobic pocket in the allosteric regulatory domain of RIPK1 has enabled the development of highly selective small-molecule inhibitors of its kinase activity, which have demonstrated safety in preclinical models and clinical trials. Potential applications of these RIPK1 inhibitors for the treatment of monogenic and polygenic autoimmune, inflammatory, neurodegenerative, ischaemic and acute conditions, such as sepsis, are emerging. This article reviews RIPK1 biology and disease-associated mutations in RIPK1 signalling pathways, highlighting clinical trials of RIPK1 inhibitors and potential strategies to mitigate development challenges. Receptor-interacting serine/threonine-protein kinase 1 (RIPK1) — a key mediator of cell death and inflammation — is activated in human diseases. Here, Yuan and colleagues discuss current understanding of RIPK1 biology and its association with diseases including inflammatory and autoimmune disorders, neurodegenerative diseases and sepsis. The clinical development of small-molecule RIPK1 inhibitors and associated challenges are discussed.
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Affiliation(s)
- Lauren Mifflin
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Dimitry Ofengeim
- Rare and Neurologic Disease Research, Sanofi, Framingham, MA, USA
| | - Junying Yuan
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA.
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16
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Inhibition of RIPK1/RIPK3 ameliorates osteoclastogenesis through regulating NLRP3-dependent NF-κB and MAPKs signaling pathways. Biochem Biophys Res Commun 2020; 526:1028-1035. [PMID: 32321638 DOI: 10.1016/j.bbrc.2020.03.177] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 03/30/2020] [Indexed: 12/18/2022]
Abstract
Osteoblast-induced bone formation and osteoclast-regulated bone resorption are the essential events contributing to bone homeostasis. It is critical to investigate the underlying molecular mechanisms. In this study, we explored the effects of receptor-interacting serine-threonine kinases (RIPKs) on osteoclastogenesis and bone loss in vitro and in vivo. We found that both RIPK1 and RIPK3 expression levels were highly up-regulated during osteoclastogenesis. Inhibiting RIPK1 and RIPK3 by their inhibitors Necrostatin-1 (Nec-1) and GSK-872, respectively, showed effective activities against osteoclast differentiation and bone resorption induced by receptor activator of nuclear factor-κB ligand (Rankl). Osteoclast-specific gene expression levels were also impeded by RIPK1/RIPK3 blockage in a time-dependent manner. Subsequently, we found that the pyrin domain-containing protein 3 (NLRP3) inflammasome stimulated by Rankl during osteoclastogenesis was greatly inhibited by Nec-1 and GSK-872. Additionally, reducing RIPK1/RIPK3 overtly reduced the activation of NF-κB (p65) and mitogen-activated protein kinases (MAPKs) signaling during Rankl-induced osteoclast formation. Notably, adenovirus-regulated NLRP3 over-expression significantly abrogated the inhibitory effects of Nec-1 and GSK-872 on NF-κB and MAPKs signaling pathways, as well as the osteoclastogenesis. Finally, the in vivo studies indicated that suppressing RIPK1/RIPK3 could effectively ameliorate ovariectomy (OVX)-induced bone loss in mice through repressing osteoclastogenesis, as proved by the clearly down-regulated number of osteoclasts via histological staining. In conclusion, our study elucidated that restraining RIPK1/RIPK3 could hinder osteoclastogenesis and attenuate bone loss through suppressing NLRP3-dependent NF-κB and MAPKs signaling pathways. Therefore, targeting RIPK1/RIPK3 signaling might be a potential therapeutic strategy to develop effective treatments against osteoclast-related bone lytic diseases.
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17
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Necroptosis signaling in liver diseases: An update. Pharmacol Res 2019; 148:104439. [PMID: 31476369 DOI: 10.1016/j.phrs.2019.104439] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/11/2019] [Accepted: 08/29/2019] [Indexed: 02/07/2023]
Abstract
The apoptosis alternate cell death pathways are extensively studied in recent years and their significance has been well recognized. With identification of newer cell death pathways, the therapeutic opportunities to modulate cell death have indeed further extended. Necroptosis, among other apoptosis alternate pathways, has been immensely studied recently in different hepatic disease models. Receptor-interacting protein 1 (RIPK1), RIPK3 and mixed lineage kinase domain like (MLKL) seemed to be the key players to mediate necroptosis pathway. Initially, necroptosis seemed to be following the typical pathway. But recently diverse pathways and outcomes have been observed. With recent studies reporting diverse outcomes, the necroptosis signalling has become a lot more interesting and intricate. The typical RIPK1 signalling followed by RIPK3 and MLKL might not always be strictly followed. Although, necroptosis signalling has been intensively investigated in various disease conditions; however, there is still a need to further elaborate and understand the unique scaffolding and kinase properties and other signalling interactions of necroptosis signalling molecules.
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18
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Liang S, Lv ZT, Zhang JM, Wang YT, Dong YH, Wang ZG, Chen K, Cheng P, Yang Q, Guo FJ, Lu WW, Zhu WT, Chen AM. Necrostatin-1 Attenuates Trauma-Induced Mouse Osteoarthritis and IL-1β Induced Apoptosis via HMGB1/TLR4/SDF-1 in Primary Mouse Chondrocytes. Front Pharmacol 2018; 9:1378. [PMID: 30542285 PMCID: PMC6277802 DOI: 10.3389/fphar.2018.01378] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 11/09/2018] [Indexed: 01/08/2023] Open
Abstract
Necrostatin-1 (Nec-1) is a specific small molecule inhibitor of receptor-interacting protein kinase 1 (RIPK1) that specifically inhibits phosphorylation of RIPK1. RIPK1 regulates inflammation and cell death by interacting with receptor-interacting serine/threonine protein kinases 3(RIPK3). We hypothesized that Nec-1 may have anti-inflammatory efficacy in patients with osteoarthritis (OA), as the pathophysiology of OA involves the activation of inflammation-related signaling pathways and apoptosis. In this study, we explored the effects of Nec-1 on interleukin (IL)-1β-induced inflammation in mouse chondrocytes and the destabilised medial meniscus (DMM) mouse model. Inhibiting RIPK1 with Nec-1 dramatically suppressed catabolism both in vivo and in vitro, but did not inhibit changes in subchondral bone. Nec-1 abolished the in vitro increases in matrix metalloproteinase (MMP) and ADAM metallopeptidase with thrombospondin type 1 motif 5 (ADAMTs5) expression induced by IL-1β. However, adding high-mobility group box 1 (HMGB1) partially abrogated this effect, indicating the essential role of HMGB1 and Nec-1 in the protection of primary chondrocytes. Furthermore, Nec-1 decreased the expression of Toll-like receptor 4 (TLR4) and stromal cell-derived factor-1 (SDF-1), and attenuated the interaction between TLR4 and HMGB1. Western blot results suggested that Nec-1 significantly suppressed IL-1β-induced NF-κB transcriptional activity, but not MAPK pathway. Micro-computed tomography, immunohistochemical staining, and Safranin O/Fast Green staining were used in vivo to assess the degree of destruction of OA cartilage. The results show that NEC-1 can significantly reduce the degree of destruction of OA cartilage. Therefore, Nec-1 may be a novel therapeutic candidate to treat OA.
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Affiliation(s)
- Shuang Liang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Zheng-Tao Lv
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China.,Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, MA, United States
| | - Jia-Ming Zhang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Yu-Ting Wang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Yong-Hui Dong
- Department of Orthopaedic Surgery, Henan Provincial People's Hospital, Zhengzhou, China
| | - Zheng-Gang Wang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Kun Chen
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China.,Department of Orthopaedic Surgery, Henan Provincial People's Hospital, Zhengzhou, China
| | - Peng Cheng
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Qing Yang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Feng-Jing Guo
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Wei-Wei Lu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Wen-Tao Zhu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - An-Min Chen
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
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19
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Lee YS, Park KM, Yu L, Kwak HH, Na HJ, Kang KS, Woo HM. Necroptosis Is a Mechanism of Death in Mouse Induced Hepatocyte-Like Cells Reprogrammed from Mouse Embryonic Fibroblasts. Mol Cells 2018; 41:639-645. [PMID: 29991669 PMCID: PMC6078850 DOI: 10.14348/molcells.2018.2353] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 05/13/2018] [Accepted: 06/05/2018] [Indexed: 12/28/2022] Open
Abstract
Liver transplantation is recommended for patients with liver failure, but liver donors are limited. This necessitates the development of artificial livers, and hepatocytes are necessary to develop such artificial livers. Although induced hepatocyte-like cells are used in artificial livers, the characteristics of mouse induced hepatocyte-like cells (miHeps) reprogrammed with embryonic fibroblasts have not yet been clarified. Therefore, this study investigated the mechanisms underlying the survival, function, and death of miHeps. miHeps showed decreased cell viability, increased cytotoxicity, decreased hepatic function, and albumin and urea secretion at passage 14. Addition of necrostatin-1 (NEC-1) to miHeps inhibited necrosome formation and reactive oxygen species generation and increased cell survival. However, NEC-1 did not affect the hepatic function of miHeps. These results provide a basis for development of artificial livers using hepatocytes.
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Affiliation(s)
- Yun-Suk Lee
- Hauul Bio Incorporation, Chuncheon 24398,
Korea
| | - Kyung-Mee Park
- College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk 28644,
Korea
| | - Lina Yu
- College of Veterinary Medicine, Kangwon National University, Chuncheon 24341,
Korea
| | - Ho-Hyun Kwak
- College of Veterinary Medicine, Kangwon National University, Chuncheon 24341,
Korea
| | - Hee-Jun Na
- Hauul Bio Incorporation, Chuncheon 24398,
Korea
| | - Kyung-Sun Kang
- Adult Stem Cell Research Center, College of Veterinary Medicine, Seoul National University, Seoul 08826,
Korea
| | - Heung-Myong Woo
- College of Veterinary Medicine, Kangwon National University, Chuncheon 24341,
Korea
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