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Li H, Zhao J, Cao L, Luo Q, Zhang C, Zhang L. The NLRP3 inflammasome in burns: a novel potential therapeutic target. BURNS & TRAUMA 2024; 12:tkae020. [PMID: 38957662 PMCID: PMC11218784 DOI: 10.1093/burnst/tkae020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 04/14/2024] [Accepted: 04/17/2024] [Indexed: 07/04/2024]
Abstract
Burns are an underestimated serious injury negatively impacting survivors physically, psychologically and economically, and thus are a considerable public health burden. Despite significant advancements in burn treatment, many burns still do not heal or develop serious complications/sequelae. The nucleotide-binding oligomerization domain-like receptors (NLRs) family pyrin domain-containing 3 (NLRP3) inflammasome is a critical regulator of wound healing, including burn wound healing. A better understanding of the pathophysiological mechanism underlying the healing of burn wounds may help find optimal therapeutic targets to promote the healing of burn wounds, reduce complications/sequelae following burn, and maximize the restoration of structure and function of burn skin. This review aimed to summarize current understanding of the roles and regulatory mechanisms of the NLRP3 inflammasome in burn wound healing, as well as the preclinical studies of the involvement of NLRP3 inhibitors in burn treatment, highlighting the potential application of NLRP3-targeted therapy in burn wounds.
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Affiliation(s)
- Haihong Li
- Department of Burns and Plastic Surgery, Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen 518107, Guangdong Province, China
| | - Junhong Zhao
- Laboratory of Wound Repair and Dermatologic Surgery, Taihe Hospital, Hubei University of Medicine, 32 South Renmin Road, Shiyan 442000, Hubei Province, China
| | - Leilei Cao
- Department of Burns and Plastic Surgery, Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen 518107, Guangdong Province, China
| | - Qizhi Luo
- Department of Burns and Plastic Surgery, Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen 518107, Guangdong Province, China
| | - Cuiping Zhang
- Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department and Fourth Medical Center of PLA General Hospital, 51 Fucheng Road, Beijing 100048, China
| | - Lei Zhang
- Department of Psychiatry and Clinical Psychology, Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen 518107, Guangdong Province, China
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Ilieva NM, Hoffman EK, Ghalib MA, Greenamyre JT, De Miranda BR. LRRK2 kinase inhibition protects against Parkinson's disease-associated environmental toxicants. Neurobiol Dis 2024; 196:106522. [PMID: 38705492 PMCID: PMC11332574 DOI: 10.1016/j.nbd.2024.106522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/25/2024] [Accepted: 04/29/2024] [Indexed: 05/07/2024] Open
Abstract
Idiopathic Parkinson's disease (PD) is epidemiologically linked with exposure to toxicants such as pesticides and solvents, which comprise a wide array of chemicals that pollute our environment. While most are structurally distinct, a common cellular target for their toxicity is mitochondrial dysfunction, a key pathological trigger involved in the selective vulnerability of dopaminergic neurons. We and others have shown that environmental mitochondrial toxicants such as the pesticides rotenone and paraquat, and the organic solvent trichloroethylene (TCE) appear to be influenced by the protein LRRK2, a genetic risk factor for PD. As LRRK2 mediates vesicular trafficking and influences endolysosomal function, we postulated that LRRK2 kinase activity may inhibit the autophagic removal of toxicant damaged mitochondria, resulting in elevated oxidative stress. Conversely, we suspected that inhibition of LRRK2, which has been shown to be protective against dopaminergic neurodegeneration caused by mitochondrial toxicants, would reduce the intracellular production of reactive oxygen species (ROS) and prevent mitochondrial toxicity from inducing cell death. To do this, we tested in vitro if genetic or pharmacologic inhibition of LRRK2 (MLi2) protected against ROS caused by four toxicants associated with PD risk - rotenone, paraquat, TCE, and tetrachloroethylene (PERC). In parallel, we assessed if LRRK2 inhibition with MLi2 could protect against TCE-induced toxicity in vivo, in a follow up study from our observation that TCE elevated LRRK2 kinase activity in the nigrostriatal tract of rats prior to dopaminergic neurodegeneration. We found that LRRK2 inhibition blocked toxicant-induced ROS and promoted mitophagy in vitro, and protected against dopaminergic neurodegeneration, neuroinflammation, and mitochondrial damage caused by TCE in vivo. We also found that cells with the LRRK2 G2019S mutation displayed exacerbated levels of toxicant induced ROS, but this was ameliorated by LRRK2 inhibition with MLi2. Collectively, these data support a role for LRRK2 in toxicant-induced mitochondrial dysfunction linked to PD risk through oxidative stress and the autophagic removal of damaged mitochondria.
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Affiliation(s)
- Neda M Ilieva
- Center for Neurodegeneration and Experimental Therapeutics, Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Eric K Hoffman
- Pittsburgh Institute for Neurodegenerative Diseases, Department of Neurology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Mohammed A Ghalib
- Center for Neurodegeneration and Experimental Therapeutics, Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - J Timothy Greenamyre
- Pittsburgh Institute for Neurodegenerative Diseases, Department of Neurology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Briana R De Miranda
- Center for Neurodegeneration and Experimental Therapeutics, Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA.
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Xie H, Liang B, Zhu Q, Wang L, Li H, Qin Z, Zhang J, Liu Z, Wu Y. The role of PANoptosis in renal vascular endothelial cells: Implications for trichloroethylene-induced kidney injury. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 278:116433. [PMID: 38714087 DOI: 10.1016/j.ecoenv.2024.116433] [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: 01/29/2024] [Revised: 04/23/2024] [Accepted: 05/03/2024] [Indexed: 05/09/2024]
Abstract
Trichloroethylene (TCE), a widely distributed environmental chemical contaminant, is extensively dispersed throughout the environment. Individuals who are exposed to TCE may manifest occupational medicamentose-like dermatitis due to trichloroethylene (OMDT). Renal impairment typically manifests in the initial phase of OMDT and is intricately linked to the disease progression and patient outcomes. Although recombinant human tumor necrosis factor-α receptor II fusion protein (rh TNFR:Fc) has been employed in the clinical management of OMDT, there was no substantial improvement in renal function observed in patients following one week of treatment. This study primarily examined the mechanism of TNFα- and IFNγ-induced endothelial cells (ECs) PANoptosis in TCE-induced kidney injury and hypothesized that the synergistic effect of TNFα and IFNγ could be the key factor affecting the efficacy of rh TNFR:Fc therapy in OMDT patients. A TCE-sensitized mouse model was utilized in this study to investigate the effects of TNFα and IFNγ neutralizing antibodies on renal vascular endothelial cell PANoptosis. The gene of interferon regulatory factor 1 (IRF1) in human umbilical vein endothelial cells (HUVEC) was silenced by using small interfering RNA (siRNA), and the cells were then treated with TNFα and IFNγ recombinant protein to investigate the mechanism of TNFα combined with IFNγ-induced PANoptosis in HUVEC. The findings indicated that mice sensitized to TCE exhibited increased levels of PANoptosis-related markers in renal endothelial cells, and treatment with TNFα and IFNγ neutralizing antibodies resulted in a significant reduction in PANoptosis and improvement in renal function. In vitro experiments demonstrated that silencing IRF1 could reverse TNFα and IFNγ-induced PANoptosis in endothelial cells. These results suggest that the efficacy of rh TNFR:Fc may be influenced by TNFα and IFNγ-mediated PANoptosis in kidney vascular endothelial cells. The joint application of TNFα and IFNγ neutralizing antibody represented a solid alternative to existing therapeutics.
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Affiliation(s)
- Haibo Xie
- Department of Nephropathy, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032, China; Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, 230032 Anhui China
| | - Bo Liang
- Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, 230032 Anhui China; Department of Dermatology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032, China
| | - Qixing Zhu
- Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, 230032 Anhui China; Department of Dermatology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032, China
| | - Lin Wang
- Department of Nephropathy, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032, China
| | - Hui Li
- Department of Occupational Diseases, Shenzhen Prevention and Treatment Center for Occupational Diseases, Shenzhen, Guangdong 518022, China
| | - Zhuohui Qin
- Department of Occupational Diseases, Shenzhen Prevention and Treatment Center for Occupational Diseases, Shenzhen, Guangdong 518022, China
| | - Jiaxiang Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui 230032, China
| | - Zhibing Liu
- Department of Blood Transfusion, Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032, China
| | - Yonggui Wu
- Department of Nephropathy, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032, China.
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Liu Z, Zhou S, Wang F, Xie H, Zhang J, Wu C, Xu D, Zhu Q. C5b-9 promotes ferritinophagy leading to ferroptosis in renal tubular epithelial cells of trichloroethylene-sensitized mice. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 923:171378. [PMID: 38447712 DOI: 10.1016/j.scitotenv.2024.171378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 02/23/2024] [Accepted: 02/27/2024] [Indexed: 03/08/2024]
Abstract
Trichloroethylene (TCE) is a common environmental contaminant that can cause a severe allergic reaction called TCE hypersensitivity syndrome, which often implicates the patient's kidneys. Our previous study revealed that C5b-9-induced tubular ferroptosis is involved in TCE-caused kidney damage. However, the study did not explain how tubule-specific C5b-9 causes free iron overload, a key event in ferroptosis. Here, we aimed to explore the role of NCOA4-mediated ferritinophagy in C5b-9-induced iron overload and ferroptosis in TCE-sensitized mice. Our results showed that TCE sensitization does not affect iron import or export, but does affect iron storage, causing ferritin degradation and free iron overload. In addition, mitochondrial ROS was upregulated, and these changes were blocked by C5b-9 inhibition. Interestingly, TCE-induced ferritin degradation and ferroptosis were significantly antagonized by the application of the mitochondrial ROS inhibitor, Mito-TEMPO. Moreover, all of these modes of action were further verified in C5b-9-attack signalling HK-2 cells. Further investigation demonstrated that C5b-9-upregulated mitochondrial ROS induced a marked increase in nuclear receptor coactivator 4 (NCOA4), a master regulator of ferritinophagy. In addition, the application of NCOA4 small interfering RNA not only significantly reversed ferritinophagy caused by C5b-9 but also reduced C5b-9-induced ferroptosis in HK-2 cells. Taken together, these results suggest that tubule-specific C5b-9 deposition activates NCOA4 through the upregulation of mitochondrial ROS, causing ferritin degradation and elevated free iron, which ultimately leads to tubular epithelial cell ferroptosis and kidney injury in TCE-sensitized mice.
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Affiliation(s)
- Zhibing Liu
- Department of Blood Transfusion, the Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Sifan Zhou
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Feng Wang
- Department of Dermatology Venereology, the Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Haibo Xie
- Department of Nephropathy, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Jiaxiang Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Changhao Wu
- School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Dexiang Xu
- Department of Toxicology, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Qixing Zhu
- Department of Dermatology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China; Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China.
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Wu M, Pei Z, Long G, Chen H, Jia Z, Xia W. Mitochondrial antiviral signaling protein: a potential therapeutic target in renal disease. Front Immunol 2023; 14:1266461. [PMID: 37901251 PMCID: PMC10602740 DOI: 10.3389/fimmu.2023.1266461] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 09/26/2023] [Indexed: 10/31/2023] Open
Abstract
Mitochondrial antiviral signaling protein (MAVS) is a key innate immune adaptor on the outer mitochondrial membrane that acts as a switch in the immune signal transduction response to viral infections. Some studies have reported that MAVS mediates NF-κB and type I interferon signaling during viral infection and is also required for optimal NLRP3 inflammasome activity. Recent studies have reported that MAVS is involved in various cancers, systemic lupus erythematosus, kidney diseases, and cardiovascular diseases. Herein, we summarize the structure, activation, pathophysiological roles, and MAVS-based therapies for renal diseases. This review provides novel insights into MAVS's role and therapeutic potential in the pathogenesis of renal diseases.
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Affiliation(s)
- Meng Wu
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Zhiyin Pei
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Guangfeng Long
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Hongbing Chen
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Zhanjun Jia
- Department of Nephrology, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
| | - Weiwei Xia
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Department of Nephrology, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
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Zhao J, Yan S, Ma X, Song Y, Pan Y. Nrf2 regulates the activation of THP-1 cells induced by chloral hydrate. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 256:114841. [PMID: 36989555 DOI: 10.1016/j.ecoenv.2023.114841] [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: 10/29/2022] [Revised: 03/21/2023] [Accepted: 03/25/2023] [Indexed: 06/19/2023]
Abstract
Trichloroethylene (TCE) triggers a severe hypersensitivity syndrome in the occupational population dependent on dendritic cells (DCs). Chloral hydrate (CH), the major oxidative metabolite of TCE, has been proved to be the culprit causative substance of TCE-induced hypersensitivity by human patch tests. Because redox imbalance is essential for chemical sensitizers-induced maturation of DCs, we predicted that CH would activate DCs by the nuclear factor E2-related factor 2 (Nrf2)-mediated antioxidant response. This study selected THP-1 cells as the in vitro DC model, and we evaluated the cell activation markers, intracellular oxidative stress, and Nrf2 pathway related genes expression in response to CH in THP-1 cells. CH displayed significant stimulation of THP-1 cells activation, including CD54 and CD86 expression, IL-8 release, and cell migration, and damaged the redox balance by triggering ROS generation, GSH consumption, and antioxidase activities modulation. The levels of Nrf2 and its downstream genes (HO-1 and NQO1) in mRNA and protein expressions were upregulated by CH, and CH also promoted the nuclear translocation of Nrf2. Subsequently, we investigated the effects of antioxidant on Nrf2-mediated cell defense in CH treated cells. Pretreatment with curcumin dramatically reduced cell activation and oxidative stress triggered by CH in THP-1 cells. We also confirmed the specific role of Nrf2 in CH-induced cell activation using NRF2-knockout cells. Deficiency of Nrf2 inhibited cell activation and downregulated HO-1 and NQO1 expression in CH-challenged cells. These findings suggest that Nrf2-dependent redox homeostasis plays a pivotal role in CH-induced activation of THP-1 cells, thereby providing new knowledge of the allergen as well as the molecular mechanism involving in TCE-induce hypersensitivity syndrome.
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Affiliation(s)
- Jinfeng Zhao
- Department of Cosmetics, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China; Beijing Key Laboratory of Plant Research and Development, Beijing 100048, China
| | - Shiyu Yan
- Department of Cosmetics, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China; Beijing Key Laboratory of Plant Research and Development, Beijing 100048, China
| | - Xue Ma
- Department of Cosmetics, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China; Beijing Key Laboratory of Plant Research and Development, Beijing 100048, China
| | - Yanqing Song
- Department of Cosmetics, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China; Beijing Key Laboratory of Plant Research and Development, Beijing 100048, China
| | - Yao Pan
- Department of Cosmetics, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China; Beijing Key Laboratory of Plant Research and Development, Beijing 100048, China.
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7
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Wang J, Sun Z, Xie J, Ji W, Cui Y, Ai Z, Liang G. Inflammasome and pyroptosis in autoimmune liver diseases. Front Immunol 2023; 14:1150879. [PMID: 36969233 PMCID: PMC10030845 DOI: 10.3389/fimmu.2023.1150879] [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: 01/26/2023] [Accepted: 02/23/2023] [Indexed: 03/11/2023] Open
Abstract
Autoimmune hepatitis (AIH), primary biliary cholangitis (PBC), primary sclerosing cholangitis (PSC), and IgG4-related sclerosing cholangitis (IgG4-SC) are the four main forms of autoimmune liver diseases (AILDs), which are all defined by an aberrant immune system attack on the liver. Most previous studies have shown that apoptosis and necrosis are the two major modes of hepatocyte death in AILDs. Recent studies have reported that inflammasome-mediated pyroptosis is critical for the inflammatory response and severity of liver injury in AILDs. This review summarizes our present understanding of inflammasome activation and function, as well as the connections among inflammasomes, pyroptosis, and AILDs, thus highlighting the shared features across the four disease models and gaps in our knowledge. In addition, we summarize the correlation among NLRP3 inflammasome activation in the liver-gut axis, liver injury, and intestinal barrier disruption in PBC and PSC. We summarize the differences in microbial and metabolic characteristics between PSC and IgG4-SC, and highlight the uniqueness of IgG4-SC. We explore the different roles of NLRP3 in acute and chronic cholestatic liver injury, as well as the complex and controversial crosstalk between various types of cell death in AILDs. We also discuss the most up-to-date developments in inflammasome- and pyroptosis-targeted medicines for autoimmune liver disorders.
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Affiliation(s)
- Jixuan Wang
- School of First Clinical Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Zhiwen Sun
- Department of Liver, Spleen and Stomach Diseases, First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jingri Xie
- Department of Liver, Spleen and Stomach Diseases, First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Wanli Ji
- School of First Clinical Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yang Cui
- School of First Clinical Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Zongxiong Ai
- School of First Clinical Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
- *Correspondence: Guoying Liang, ; Zongxiong Ai,
| | - Guoying Liang
- Department of Liver, Spleen and Stomach Diseases, First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
- *Correspondence: Guoying Liang, ; Zongxiong Ai,
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Zhao J, Li J, Li G, Chen M. The role of mitochondria-associated membranes mediated ROS on NLRP3 inflammasome in cardiovascular diseases. Front Cardiovasc Med 2022; 9:1059576. [PMID: 36588561 PMCID: PMC9794868 DOI: 10.3389/fcvm.2022.1059576] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 11/01/2022] [Indexed: 12/15/2022] Open
Abstract
Reactive oxygen species (ROS) metabolism is essential for the homeostasis of cells. Appropriate production of ROS is an important signaling molecule, but excessive ROS production can damage cells. ROS and ROS-associated proteins can act as damage associated molecular pattern molecules (DAMPs) to activate the NACHT, LRR, and PYD domains-containing protein 3 (NLRP3) inflammasome in cardiovascular diseases. Previous studies have shown that there are connected sites, termed mitochondria-associated membranes (MAMs), between mitochondria and the endoplasmic reticulum. In cardiovascular disease progression, MAMs play multiple roles, the most important of which is the ability to mediate ROS generation, which further activates the NLPR3 inflammasome, exacerbating the progression of disease. In this review, the following topics will be covered: 1. Molecular structures on MAMs that can mediate ROS generation; 2. Specific mechanisms of molecule-mediated ROS generation and the molecules' roles in cardiovascular disease, 3. The effects of MAMs-mediated ROS on the NLRP3 inflammasome in cardiovascular disease. The purpose of this review is to provide a basis for subsequent clinical treatment development.
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Affiliation(s)
- Jiahao Zhao
- Laboratory of Heart Valve Disease, West China Hospital, Sichuan University, Chengdu, China,Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - Junli Li
- Laboratory of Heart Valve Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Guoyong Li
- Laboratory of Heart Valve Disease, West China Hospital, Sichuan University, Chengdu, China,Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China,Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Mao Chen
- Laboratory of Heart Valve Disease, West China Hospital, Sichuan University, Chengdu, China,Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China,*Correspondence: Mao Chen
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Liu X, Li D, Pi W, Wang B, Xu S, Yu L, Yao L, Sun Z, Jiang J, Mi Y. LCZ696 protects against doxorubicin-induced cardiotoxicity by inhibiting ferroptosis via AKT/SIRT3/SOD2 signaling pathway activation. Int Immunopharmacol 2022; 113:109379. [PMID: 36330913 DOI: 10.1016/j.intimp.2022.109379] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 10/06/2022] [Accepted: 10/17/2022] [Indexed: 11/05/2022]
Abstract
Doxorubicin (DOX) is an effective and widely used anticancer drug but has limited clinical applicability because of its cardiotoxicity. Ferroptosis plays a key role in DOX-induced cardiac damage and cardiomyocyte cell death. The inhibition of ferroptosis reverses DOX-induced cardiotoxicity (DIC). LCZ696, a first-in-class angiotensin receptor neprilysin inhibitor, protects against DIC. However, the mechanism of action of LCZ696, especially its effect on ferroptosis, is incompletely understood. This study investigates the cardioprotective effects of LCZ696 on DIC in vivo and in vitro.Cardiotoxicity was induced in Wistar rats by tail intravenous injection of 2.5 mg/kg DOX once a week for six weeks. Rats and H9c2 cells were treated with or without LCZ696 to determine the cardioprotective role and underlying mechanisms of LCZ696 against DIC. To assess the role of SIRT3 and correlated pathways in ferroptosis, SIRT3 knockout was performed using lentiviral vectors, and AKT was inhibited with LY294002. LCZ696 significantly attenuated DIC by decreasing the concentrations of lipid reactive oxygen species and malondialdehyde and increasing the levels of glutathione peroxidase-4 and reduced glutathione in cells and heart tissues. Moreover, LCZ696 remodeled myocardial structures and improved heart ventricular function in DOX-treated rats. LCZ696 treatment increased SIRT3 expression and deacetylated its target gene SOD2, and these changes were mediated by AKT activation. SIRT3 knockdown and AKT inhibition induced lipid peroxidation and reduced the protective effect of LCZ696 in H9c2 cells. Collectively,LCZ696 prevents DIC by inhibiting ferroptosis via AKT/SIRT3/SOD2 signaling pathway activation. Thus, LZC696 is a potential therapeutic strategy for DIC.
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Affiliation(s)
- Xiaoman Liu
- Department of Cardiology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China; Laboratory of Cardiovascular Disease, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China
| | - Danlei Li
- Department of Cardiology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China; Laboratory of Cardiovascular Disease, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China
| | - Wenhu Pi
- Key Laboratory of Radiation Oncology of Taizhou, Radiation Oncology Institute of Enze Medical Health Academy, Department of Radiation Oncology, Affiliated Taizhou hospital of Wenzhou Medical University, Linhai 317000, Zhejiang Province, China
| | - Bin Wang
- Department of Cardiology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China; Laboratory of Cardiovascular Disease, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China
| | - Shasha Xu
- Department of Cardiology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China; Laboratory of Cardiovascular Disease, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China
| | - Lei Yu
- Department of Cardiology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China; Laboratory of Cardiovascular Disease, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China
| | - Lei Yao
- Department of Cardiology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China; Laboratory of Cardiovascular Disease, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China
| | - Zhenzhu Sun
- Department of Cardiology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China; Laboratory of Cardiovascular Disease, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China.
| | - Jianjun Jiang
- Department of Cardiology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China; Laboratory of Cardiovascular Disease, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China.
| | - Yafei Mi
- Department of Cardiology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China; Laboratory of Cardiovascular Disease, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang Province, China.
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