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Hu HJ, Wang XH, Zhang ZZ, Ou Y, Ning ZH, Yang JY, Huang H, Tang HF, Jiang ZS. SIRT3 sulfhydration using hydrogen sulfide inhibited angiotensin II-induced atrial fibrosis and vulnerability to atrial fibrillation via suppression of the TGF-β1/smad2/3 signalling pathway. Eur J Pharmacol 2024; 982:176900. [PMID: 39168432 DOI: 10.1016/j.ejphar.2024.176900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 07/30/2024] [Accepted: 08/14/2024] [Indexed: 08/23/2024]
Abstract
Atrial fibrosis is associated with the occurrence of atrial fibrillation (AF) and regulated by the transforming growth factor-β1 (TGF-β1)/Smad2/3 signalling pathway. Unfortunately, the mechanisms of regulation of TGF-β1/Smad2/3-induced atrial fibrosis and vulnerability to AF remain still unknown. Previous studies have shown that sirtuin3 (SIRT3) sulfhydration has strong anti-fibrotic effects. We hypothesised that SIRT3 sulfhydration inhibits angiotensin II (Ang-II)-induced atrial fibrosis via blocking the TGF-β1/Smad2/3 signalling pathway. In this study, we found that SIRT3 expression was decreased in the left atrium of patients with AF compared to that in those with sinus rhythm (SR). In vitro, SIRT3 knockdown by small interfering RNA significantly expanded Ang-II-induced atrial fibrosis and TGF-β1/Smad2/3 signalling pathway activation, whereas supplementation with Sodium Hydrosulfide (NaHS, exogenous hydrogen sulfide donor and sulfhydration agonist) and SIRT3 overexpression using adenovirus ameliorated Ang-II-induced atrial fibrosis. Moreover, we observed suppression of the TGF-β1/Smad2/3 pathway when Ang-II was combined with NaHS treatment, and the effect of this co-treatment was consistent with that of Ang-II combined with LY3200882 (Smad pathway inhibitor) on reducing atrial fibroblast proliferation and cell migration in vitro. Supplementation with dithiothreitol (DTT, a sulfhydration inhibitor) and adenovirus SIRT3 shRNA blocked the ameliorating effect of NaHS and AngII co-treatment on atrial fibrosis in vitro. Finally, continued treatment with NaHS in rats ameliorated atrial fibrosis and remodelling, and further improved AF vulnerability induced by Ang-II, which was reversed by DTT and adenovirus SIRT3 shRNA, suggesting that SIRT3 sulfhydration might be a potential therapeutic target in atrial fibrosis and AF.
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Affiliation(s)
- Heng-Jing Hu
- Department of Cardiology Laboratory, First Affiliated Hospital of University of South China, Hengyang, Hunan, 421001, PR China; Postdoctoral Research Station of Basic Medicine, University of South China, Hengyang, Hunan, 421001, PR China
| | - Xiu-Heng Wang
- Department of Medical-record, First Affiliated Hospital of University of South China, Hengyang, Hunan, 421001, PR China
| | - Zhi-Zhu Zhang
- Department of Cardiology Laboratory, First Affiliated Hospital of University of South China, Hengyang, Hunan, 421001, PR China
| | - Yun Ou
- Department of Cardiology Laboratory, First Affiliated Hospital of University of South China, Hengyang, Hunan, 421001, PR China
| | - Zhi-Hong Ning
- Department of Cardiology Laboratory, First Affiliated Hospital of University of South China, Hengyang, Hunan, 421001, PR China
| | - Jia-Yan Yang
- Department of Cardiology Laboratory, First Affiliated Hospital of University of South China, Hengyang, Hunan, 421001, PR China
| | - Hong Huang
- Department of Cardiology Laboratory, First Affiliated Hospital of University of South China, Hengyang, Hunan, 421001, PR China
| | - Hui-Fang Tang
- Department of Cardiology Laboratory, First Affiliated Hospital of University of South China, Hengyang, Hunan, 421001, PR China
| | - Zhi-Sheng Jiang
- Department of Cardiology Laboratory, First Affiliated Hospital of University of South China, Hengyang, Hunan, 421001, PR China; Postdoctoral Research Station of Basic Medicine, University of South China, Hengyang, Hunan, 421001, PR China; Institute of Cardiovascular Disease and Key Lab for Arteriosclerology of Hunan Province, University of South China, Hengyang, Hunan, 421001, PR China.
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Ma J, Yang P, Zhou Z, Song T, Jia L, Ye X, Yan W, Sun J, Ye T, Zhu L. GYY4137-induced p65 sulfhydration protects synovial macrophages against pyroptosis by improving mitochondrial function in osteoarthritis development. J Adv Res 2024:S2090-1232(24)00223-6. [PMID: 38844123 DOI: 10.1016/j.jare.2024.05.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 05/28/2024] [Accepted: 05/30/2024] [Indexed: 06/27/2024] Open
Abstract
INTRODUCTION Osteoarthritis (OA) is the most common arthritis that is characterized by the progressive synovial inflammation and loss of articular cartilage. Although GYY4137 is a novel and slow-releasing hydrogen sulfide (H2S) donor with potent anti-inflammatory properties that may modulate the progression of OA, its underlying mechanism remains unclear. OBJECTIVES In this study, we validated the protective role of GYY4137 against OA pathological courses and elucidated its underlying regulatory mechanisms. METHODS Cell transfection, immunofluorescence staining, EdU assay, transmission electron microscopy, mitochondrial membrane potential measurement, electrophoretic mobility shift assay, sulfhydration assay, qPCR and western blot assays were performed in the primary mouse chondrocytes or the mouse macrophage cell line raw 264.7 for in vitro study. DMM-induced OA mice model and Macrophage-specific p65 knockout (p65f/f LysM-CreERT2) mice on the C57BL/6 background were used for in vivo study. RESULTS We found that GYY4137 can alleviate OA progress by suppressing synovium pyroptosis in vivo. Moreover, our in vitro data revealed that GYY4137 attenuates inflammation-induced NLRP3 and caspase-1 activation and results in a decrease of IL-1β production in macrophages. Mechanistically, GYY4137 increased persulfidation of NF-kB p65 in response to inflammatory stimuli that results in a decrease of cellular reactive oxygen species (ROS) accumulation and ameliorates mitochondrial dysfunctions. Using site-directed mutagenesis, we showed that H2S persulfidates cysteine38 in p65 protein and hampers p65 transcriptional activity, and p65 mutant impaired macrophage responses to GYY4137. CONCLUSION These findings suggest a mechanism by which GYY4137 through redox modification of p65 participates in inhibiting NLRP3 activation by OA to regulate inflammatory responses. Thus, we propose that GYY4137 represents a promising novel therapeutic strategy for the treatment of OA.
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Affiliation(s)
- Jun Ma
- Department of Orthepaedics, Naval Medical Center of PLA, Naval Medical University, Shanghai, China; Department of Health Statistics, Naval Medical University, Shanghai, China; Department of Orthopaedic Trauma Surgery, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Peng Yang
- Department of Orthepaedics, Naval Medical Center of PLA, Naval Medical University, Shanghai, China; Department of Orthopaedic Trauma Surgery, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Zhibin Zhou
- Department of Orthopaedic Trauma Surgery, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China; Department of Orthopaedics, General Hospital of Northern Theater Command, Shenyang, Liaoning, China
| | - Tengfei Song
- Department of Orthopaedic Trauma Surgery, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Liang Jia
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Xiaofei Ye
- Department of Health Statistics, Naval Medical University, Shanghai, China
| | - Wei Yan
- Department of Orthepaedics, Naval Medical Center of PLA, Naval Medical University, Shanghai, China
| | - Jiuyi Sun
- Department of Orthepaedics, Naval Medical Center of PLA, Naval Medical University, Shanghai, China.
| | - Tianwen Ye
- Department of Orthopaedic Trauma Surgery, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China.
| | - Lei Zhu
- Department of Orthopaedic Trauma Surgery, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China.
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Machado-Neto JA, Cerqueira ARA, Veríssimo-Filho S, Muscará MN, Costa SKP, Lopes LR. Hydrogen Sulfide Signaling in the Tumor Microenvironment: Implications in Cancer Progression and Therapy. Antioxid Redox Signal 2024; 40:250-271. [PMID: 37597204 DOI: 10.1089/ars.2021.0256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/21/2023]
Abstract
Significance: Cancer is a complex and heterotypic structure with a spatial organization that contributes to challenges in therapeutics. Enzymes associated with producing the gasotransmitter hydrogen sulfide (H2S) are differentially expressed in tumors. Indeed, critical and paradoxical roles have been attributed to H2S in cancer-promoting characteristics by targeting both cancer cells and their milieu. This review focuses on the evidence and knowledge gaps of H2S on the tumor redox microenvironment and the pharmacological effects of H2S donors on cancer biology. Recent Advances: Endogenous and pharmacological concentrations of H2S evoke different effects on the same cell type: physiological H2S concentrations have been associated with tumor development and progression. In contrast, pharmacological concentrations have been associated with anticancer effects. Critical Issues: The exact threshold between the promotion and inhibition of tumorigenesis by H2S is largely unknown. The main issues covered in this review include H2S-modulated signaling pathways that are critical for cancer cells, the potential effects of H2S on cellular components of the tumor microenvironment, temporal modulation of H2S in promoting or inhibiting tumor progression (similar to observed for inflammation), and pharmacological agents that modulate H2S and which could play a role in antineoplastic therapy. Future Directions: Given the complexity and heterogeneity of tumor composition, mechanistic studies on context-dependent pharmacological effects of H2S donors for cancer therapy are necessary. These studies must determine the critical signaling pathways and the cellular components involved to allow advances in the rational use of H2S donors as antineoplastic agents. Antioxid. Redox Signal. 40, 250-271.
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Affiliation(s)
| | | | - Sidney Veríssimo-Filho
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Marcelo Nicolás Muscará
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Soraia Kátia Pereira Costa
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Lucia Rossetti Lopes
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
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Shentu Y, Chen M, Wang H, Du X, Zhang W, Xie G, Zhou S, Ding L, Zhu Y, Zhu M, Zhang N, Du C, Ma J, Chen R, Yang J, Fan X, Gong Y, Zhang H, Fan J. Hydrogen sulfide ameliorates lipopolysaccharide-induced anxiety-like behavior by inhibiting checkpoint kinase 1 activation in the hippocampus of mice. Exp Neurol 2024; 371:114586. [PMID: 37898396 DOI: 10.1016/j.expneurol.2023.114586] [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: 08/25/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 10/30/2023]
Abstract
Hydrogen sulfide (H2S), an endogenous gasotransmitter, exhibits the anxiolytic roles through its anti-inflammatory effects, although its underlying mechanisms remain largely elusive. Emerging evidence has documented that cell cycle checkpoint kinase 1 (Chk1)-regulated DNA damage plays an important role in the neurodegenerative diseases; however, there are few relevant reports on the research of Chk1 in neuropsychiatric diseases. Here, we aimed to investigate the regulatory role of H2S on Chk1 in lipopolysaccharide (LPS)-induced anxiety-like behavior focusing on inflammasome activation in the hippocampus. Cystathionine γ-lyase (CSE, a H2S-producing enzyme) knockout (CSE-/-) mice displayed anxiety-like behavior and activation of inflammasome-mediated inflammatory responses, manifesting by the increase levels of interleukin-1β (IL-1β), IL-6, and ionized calcium-binding adaptor molecule-1 (Iba-1, microglia marker) expression in the hippocampus. Importantly, expression of p-Chk1 and γ-H2AX (DNA damage marker) levels were also increased in the hippocampus of CSE-/- mice. LPS treatment decreased the expression of CSE and CBS while increased p-Chk1 and γ-H2AX levels and inflammasome-activated neuroinflammation in the hippocampus of mice. Moreover, p-Chk1 and γ-H2AX protein levels and cellular immunoactivity were significantly increased while CSE and CBS were markedly decreased in cultured BV2 cells followed by LPS treatment. Treatment of mice with GYY4137, a donor of H2S, inhibited LPS-induced increased in p-Chk1 and γ-H2AX levels, mitigated inflammasome activation and inflammatory responses as well as amelioration of anxiety-like behavior. Notably, SB-218078, a selective Chk1 inhibitor treatment attenuated the effect of LPS on inflammasome activation and inflammatory responses and the induction of anxiety-like behavior. Finally, STAT3 knockdown with AAV-STAT3 shRNA alleviated LPS-induced anxiety-like behavior and inhibited inflammasome activation in the hippocampus, and blockade of NLRP3 with MCC950 attenuated neuroinflammation induction and ameliorated LPS-induced anxiety-like behavior. Overall, this study indicates that downregulation of Chk1 activity by H2S activation may be considered as a valid strategy for preventing the progression of LPS-induced anxiety-like behavior.
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Affiliation(s)
- Yangping Shentu
- Department of Pathology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Mengfan Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Hui Wang
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Xiaotong Du
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Institute of Cixi Biomedical Research, Wenzhou Medical University, Cixi, Zhejiang 315302, China
| | - Wenjing Zhang
- Renji College, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Guizhen Xie
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Shaoyan Zhou
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Lu Ding
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yun Zhu
- Department of Pathology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Min Zhu
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Nan Zhang
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Congkuo Du
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Jianshe Ma
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Ran Chen
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Jinge Yang
- Department of Medical Technology, Jiangxi Medical College, Shangrao, Jiangxi 334709, China
| | - Xiaofang Fan
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yongsheng Gong
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
| | - Hongyu Zhang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Institute of Cixi Biomedical Research, Wenzhou Medical University, Cixi, Zhejiang 315302, China.
| | - Junming Fan
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Institute of Cixi Biomedical Research, Wenzhou Medical University, Cixi, Zhejiang 315302, China.
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Zhang Q, Siyuan Z, Xing C, Ruxiu L. SIRT3 regulates mitochondrial function: A promising star target for cardiovascular disease therapy. Biomed Pharmacother 2024; 170:116004. [PMID: 38086147 DOI: 10.1016/j.biopha.2023.116004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 12/04/2023] [Accepted: 12/06/2023] [Indexed: 01/10/2024] Open
Abstract
Dysregulation of mitochondrial homeostasis is common to all types of cardiovascular diseases. SIRT3 regulates apoptosis and autophagy, material and energy metabolism, mitochondrial oxidative stress, inflammation, and fibrosis. As an important mediator and node in the network of mechanisms, SIRT3 is essential to many activities. This review explains how SIRT3 regulates mitochondrial homeostasis and the tricarboxylic acid cycle to treat common cardiovascular diseases. A novel description of the impact of lifestyle factors on SIRT3 expression from the angles of nutrition, exercise, and temperature is provided.
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Affiliation(s)
- Qin Zhang
- Guang'anmen Hospital, Chinese Academy of traditional Chinese medicine, Beijing, China
| | - Zhou Siyuan
- Guang'anmen Hospital, Chinese Academy of traditional Chinese medicine, Beijing, China
| | - Chang Xing
- Guang'anmen Hospital, Chinese Academy of traditional Chinese medicine, Beijing, China
| | - Liu Ruxiu
- Guang'anmen Hospital, Chinese Academy of traditional Chinese medicine, Beijing, China.
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Li L, Chen X, Liu C, He Z, Shen Q, Zhu Y, Wang X, Cao S, Yang S. Endogenous hydrogen sulphide deficiency and exogenous hydrogen sulphide supplement regulate skin fibroblasts proliferation via necroptosis. Exp Dermatol 2024; 33:e14972. [PMID: 37975594 DOI: 10.1111/exd.14972] [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: 05/08/2023] [Revised: 08/24/2023] [Accepted: 10/19/2023] [Indexed: 11/19/2023]
Abstract
An excessive proliferation of skin fibroblasts usually results in different skin fibrotic diseases. Hydrogen sulphide (H2 S) is regarded as an important endogenous gasotransmitter with various functions. The study aimed to investigate the roles and mechanisms of H2 S on primary mice skin fibroblasts proliferation. Cell proliferation and collagen synthesis were assessed with the expression of α-smooth muscle actin (α-SMA), proliferating cell nuclear antigen (PCNA), Collagen I and Collagen III. The degree of oxidative stress was evaluated by dihydroethidium (DHE) and MitoSOX staining. Mitochondrial membrane potential (ΔΨm) was detected by JC-1 staining. Necroptosis was evaluated with TDT-mediated dUTP nick end labelling (TUNEL) and expression of receptor-interacting protein kinase 1 (RIPK1), RIPK3 and mixed lineage kinase domain-like protein (MLKL). The present study found that α-SMA, PCNA, Collagen I and Collagen III expression were increased, oxidative stress was promoted, ΔΨm was impaired and positive rate of TUNEL staining, RIPK1 and RIPK3 expression as well as MLKL phosphorylation were all enhanced in skin fibroblasts from cystathionine γ-lyase (CSE) knockout (KO) mice or transforming growth factor-β1 (TGF-β1, 10 ng/mL)-stimulated mice skin fibroblasts, which was restored by exogenous sodium hydrosulphide (NaHS, 50 μmol/L). In conclusion, endogenous H2 S production impairment in CSE-deficient mice accelerated skin fibroblasts proliferation via promoted necroptosis, which was attenuated by exogenous H2 S. Exogenous H2 S supplement alleviated proliferation of skin fibroblasts with TGF-β1 stimulation via necroptosis inhibition. This study provides evidence for H2 S as a candidate agent to prevent and treat skin fibrotic diseases.
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Affiliation(s)
- Ling Li
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
- Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School, The First people's Hospital of Yancheng, Yancheng, China
| | - Xudong Chen
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Chang Liu
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Ziying He
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Qiyan Shen
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Yue Zhu
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Xin Wang
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Shuanglin Cao
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Shengju Yang
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
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Zhang N, Zhou Z, Huang Y, Wang G, Tang Z, Lu J, Wang C, Ni X. Reduced hydrogen sulfide production contributes to adrenal insufficiency induced by hypoxia via modulation of NLRP3 inflammasome activation. Redox Rep 2023; 28:2163354. [PMID: 36661247 PMCID: PMC9869992 DOI: 10.1080/13510002.2022.2163354] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Objective: Adrenocortical responsiveness is critical for maintaining glucocorticoids production and homeostasis during stress. We sought to investigate adrenocortical responsiveness during hypoxia in mice and the mechanisms responsible for the regulation of adrenal responsiveness.Methods: (1) Adult male WT mice were randomly divided into four groups: normoxia, hypoxia (24h), hypoxia (72h), hypoxia (72h) + GYY4137(hydrogen sulfide (H2S) donor, 133mmol/kg/day); (2) WT mice were randomly divided into four groups: sham, adrenalectomy (ADX), sham+hypoxia, ADX+hypoxia; (3) Cse-/- mice were randomly divided into two groups: Cse-/-, Cse-/- +GYY4137.Results: The circulatory level of corticosteroid induced by ACTH stimulation was significantly reduced in the mice with hypoxia compared with control mice. The mortality rate induced by lipopolysaccharide (LPS) increased during hypoxia. Cystathionine-γ-lyase (CSE) expression was significantly reduced in adrenal glands during hypoxia. GYY4137 treatment significantly increased adrenal responsiveness and attenuated NLRP3 inflammasome activation in mice treated by hypoxia and Cse-/- mice. Furthermore, The sulfhydrated level of PSMA7 in adrenal gland was decreased in the mice with hypoxia and Cse-/- mice. PSMA7 was S-sulfhydrated at cysteine 70. Blockage of S-sulfhydration of PSMA7 increased NLRP3 expression in adrenocortical cells.Conclusion: Reduced H2S production mediated hypo-adrenocortical responsiveness and NLRP3 inflammasome activation via PAMA7 S-sulfhydration during hypoxia.
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Affiliation(s)
- Ningning Zhang
- National Clinical Research Center for Geriatric Disorders, Central South University Xiangya Hospital, Changsha, People’s Republic of China,International Collaborative Research Center for Medical Metabolomics, Central South University Xiangya Hospital, Changsha, People’s Republic of China,Department of Physiology, Navy Medical University, Shanghai, People’s Republic of China
| | - Zhan Zhou
- National Clinical Research Center for Geriatric Disorders, Central South University Xiangya Hospital, Changsha, People’s Republic of China,International Collaborative Research Center for Medical Metabolomics, Central South University Xiangya Hospital, Changsha, People’s Republic of China
| | - Yan Huang
- Department of Physiology, Navy Medical University, Shanghai, People’s Republic of China
| | - Gang Wang
- Department of Physiology, Navy Medical University, Shanghai, People’s Republic of China
| | - Zhengshan Tang
- National Clinical Research Center for Geriatric Disorders, Central South University Xiangya Hospital, Changsha, People’s Republic of China,International Collaborative Research Center for Medical Metabolomics, Central South University Xiangya Hospital, Changsha, People’s Republic of China
| | - Jianqiang Lu
- The Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Kinesiology, Shanghai University of Sport, Shanghai, People’s Republic of China
| | - Changnan Wang
- Department of Physiology, Navy Medical University, Shanghai, People’s Republic of China, Changnan Wang Department of Physiology, Navy Medical University, Shanghai200433, People’s Republic of China; Xin Ni
| | - Xin Ni
- National Clinical Research Center for Geriatric Disorders, Central South University Xiangya Hospital, Changsha, People’s Republic of China,International Collaborative Research Center for Medical Metabolomics, Central South University Xiangya Hospital, Changsha, People’s Republic of China,Department of Physiology, Navy Medical University, Shanghai, People’s Republic of China, Changnan Wang Department of Physiology, Navy Medical University, Shanghai200433, People’s Republic of China; Xin Ni
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Song Y, Xu Z, Zhong Q, Zhang R, Sun X, Chen G. Sulfur signaling pathway in cardiovascular disease. Front Pharmacol 2023; 14:1303465. [PMID: 38074127 PMCID: PMC10704606 DOI: 10.3389/fphar.2023.1303465] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 10/24/2023] [Indexed: 04/14/2024] Open
Abstract
Hydrogen sulfide (H2S) and sulfur dioxide (SO2), recognized as endogenous sulfur-containing gas signaling molecules, were the third and fourth molecules to be identified subsequent to nitric oxide and carbon monoxide (CO), and exerted diverse biological effects on the cardiovascular system. However, the exact mechanisms underlying the actions of H2S and SO2 have remained elusive until now. Recently, novel post-translational modifications known as S-sulfhydration and S-sulfenylation, induced by H2S and SO2 respectively, have been proposed. These modifications involve the chemical alteration of specific cysteine residues in target proteins through S-sulfhydration and S-sulfenylation, respectively. H2S induced S-sulfhydrylation can have a significant impact on various cellular processes such as cell survival, apoptosis, cell proliferation, metabolism, mitochondrial function, endoplasmic reticulum stress, vasodilation, anti-inflammatory response and oxidative stress in the cardiovascular system. Alternatively, S-sulfenylation caused by SO2 serves primarily to maintain vascular homeostasis. Additional research is warranted to explore the physiological function of proteins with specific cysteine sites, despite the considerable advancements in comprehending the role of H2S-induced S-sulfhydration and SO2-induced S-sulfenylation in the cardiovascular system. The primary objective of this review is to present a comprehensive examination of the function and potential mechanism of S-sulfhydration and S-sulfenylation in the cardiovascular system. Proteins that undergo S-sulfhydration and S-sulfenylation may serve as promising targets for therapeutic intervention and drug development in the cardiovascular system. This could potentially expedite the future development and utilization of drugs related to H2S and SO2.
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Affiliation(s)
- Yunjia Song
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Zihang Xu
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Qing Zhong
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Rong Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xutao Sun
- Department of Typhoid, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Guozhen Chen
- Department of Pediatrics, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, China
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Luo S, Kong C, Ye D, Liu X, Wang Y, Meng G, Han Y, Xie L, Ji Y. Protein Persulfidation: Recent Progress and Future Directions. Antioxid Redox Signal 2023; 39:829-852. [PMID: 36943282 DOI: 10.1089/ars.2022.0064] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
Significance: Hydrogen sulfide (H2S) is considered to be a gasotransmitter along with carbon monoxide (CO) and nitric oxide (NO), and is known as a key regulator of physiological and pathological activities. S-sulfhydration (also known as persulfidation), a mechanism involving the formation of protein persulfides by modification of cysteine residues, is proposed here to explain the multiple biological functions of H2S. Investigating the properties of protein persulfides can provide a foundation for further understanding of the potential functions of H2S. Recent Advances: Multiple methods have been developed to determine the level of protein persulfides. It has been demonstrated that protein persulfidation is involved in many biological processes through various mechanisms including the regulation of ion channels, enzymes, and transcription factors, as well as influencing protein-protein interactions. Critical Issues: Some technical and theoretical questions remain to be solved. These include how to improve the specificity of the detection methods for protein persulfidation, why persulfidation typically occurs on one or a few thiols within a protein, how this modification alters protein functions, and whether protein persulfidation has organ-specific patterns. Future Directions: Optimizing the detection methods and elucidating the properties and molecular functions of protein persulfidation would be beneficial for current therapeutics. In this review, we introduce the detailed mechanism of the persulfidation process and discuss persulfidation detection methods. In addition, this review summarizes recent discoveries of the selectivity of protein persulfidation and the regulation of protein functions and cell signaling pathways by persulfidation. Antioxid. Redox Signal. 39, 829-852.
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Affiliation(s)
- Shanshan Luo
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
| | - Chuiyu Kong
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
| | - Danyu Ye
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
| | - Xingeng Liu
- Key Laboratory of Targeted Intervention of Cardiovascular Disease, Nanjing Medical University, Nanjing, China
- Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
| | - Yu Wang
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
| | - Guoliang Meng
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, China
| | - Yi Han
- Department of Geriatrics, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Liping Xie
- Key Laboratory of Targeted Intervention of Cardiovascular Disease, Nanjing Medical University, Nanjing, China
- Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
- The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Yong Ji
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
- Key Laboratory of Targeted Intervention of Cardiovascular Disease, Nanjing Medical University, Nanjing, China
- Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
- The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
- National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin Medical University, Harbin, China
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10
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Li K, Wang M, Wang R, Wang X, Jiao H, Zhao J, Zhou Y, Li H, Lin H. Hydrogen Sulfide Regulates Glucose Uptake in Skeletal Muscles via S-Sulfhydration of AMPK in Muscle Fiber Type-Dependent Way. J Nutr 2023; 153:2878-2892. [PMID: 37611831 DOI: 10.1016/j.tjnut.2023.08.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 08/13/2023] [Accepted: 08/17/2023] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND The effect of hydrogen sulfide (H2S) on glucose homeostasis remains to be elucidated, especially in the state of insulin resistance. OBJECTIVES In the present study, we aimed to investigate H2S-regulated glucose uptake in the M. pectoralis major (PM) muscle (which mainly consists of fast-twitch glycolytic fibers) and M. biceps femoris (BF) muscle (which mainly consists of slow-twitch oxidative fibers) of the chicken, a potential model of insulin resistance. METHODS Chicks were subjected to intraperitoneal injection of sodium hydrosulfide (NaHS, 50 μmol/kg body mass/day) twice a day to explore glucose homeostasis. In vitro, myoblasts from PM and BF muscles were used to detect glucose uptake and utilization. Effects of AMP-activated protein kinase (AMPK) phosphorylation, AMPK S-sulfhydration, and mitogen-activated protein kinase (MAPK) pathway induction by NaHS were detected. RESULTS NaHS enhanced glucose uptake and utilization in chicks (P < 0.05). In myoblasts from PM muscle, NaHS (100 μM) increased glucose uptake by activating AMPK S-sulfhydration, AMPK phosphorylation, and the AMPK/p38 MAPK pathway (P < 0.05). However, NaHS decreased glucose uptake in myoblasts from BF muscle by suppressing the p38 MAPK pathway (P < 0.05). Moreover, NaHS increased S-sulfhydration and, in turn, the phosphorylation of AMPK (P < 0.05). CONCLUSIONS This study reveals the role of H2S in enhancing glucose uptake and utilization in chicks. The results suggest that NaHS is involved in glucose uptake in skeletal muscle in a fiber type-dependent way. The AMPK/p38 pathway and protein S-sulfhydration promote glucose uptake in fast-twitch glycolytic muscle fibers, which provides a muscle fiber-specific potential therapeutic target to ameliorate glucose metabolism.
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Affiliation(s)
- Kelin Li
- College of Animal Science and Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Agricultural University, Tai'an, China
| | - Minghui Wang
- College of Animal Science and Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Agricultural University, Tai'an, China
| | - Ruxia Wang
- Institute of Biological Resources, Jiangxi Academy of Sciences, Nanchang, China
| | - Xiaojuan Wang
- College of Animal Science and Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Agricultural University, Tai'an, China
| | - Hongchao Jiao
- College of Animal Science and Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Agricultural University, Tai'an, China
| | - Jingpeng Zhao
- College of Animal Science and Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Agricultural University, Tai'an, China
| | - Yunlei Zhou
- College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, China
| | - Haifang Li
- College of Life Sciences, Shandong Agricultural University, Tai'an, China
| | - Hai Lin
- College of Animal Science and Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Agricultural University, Tai'an, China.
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11
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Wang H, Bai Q, Ma G. The biological functions of protein S-sulfhydration in eukaryotes and the ever-increasing understanding of its effects on bacteria. Microbiol Res 2023; 271:127366. [PMID: 36989759 DOI: 10.1016/j.micres.2023.127366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 02/21/2023] [Accepted: 03/17/2023] [Indexed: 03/29/2023]
Abstract
As a critical endogenous signaling molecule, hydrogen sulfide may induce reversible post-translational modifications on cysteine residues of proteins, generating a persulfide bond known as S-sulfhydration. A systemic overview of the biofunctions of S-sulfhydration will equip us better to characterize its regulatory roles in antioxidant defense, inflammatory response, and cell fate, as well as its pathological mechanisms related to cardiovascular, neurological, and multiple organ diseases, etc. Nevertheless, the understanding of S-sulfhydration is mostly built on mammalian cells and animal models. We subsequently summarized the mediation effects of this specific post-transcriptional modification on physiological processes and virulence in bacteria. The high-sensitivity and high-throughput detection technologies are required for studying the signal transduction mechanism of H2S and protein S-sulfhydration modification. Herein, we reviewed the establishment and development of different approaches to assess S-sulfhydration, including the biotin-switch method, modified biotin-switch method, alkylation-based cysteine-labelled assay, and Tag-switch method. Finally, we discussed the limitations of the impacts of S-sulfhydration in pathogens-host interactions and envisaged the challenges to design drugs and antibiotics targeting the S-sulfhydrated proteins in the host or pathogens.
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12
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He B, Zhang Z, Huang Z, Duan X, Wang Y, Cao J, Li L, He K, Nice EC, He W, Gao W, Shen Z. Protein persulfidation: Rewiring the hydrogen sulfide signaling in cell stress response. Biochem Pharmacol 2023; 209:115444. [PMID: 36736962 DOI: 10.1016/j.bcp.2023.115444] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/27/2023] [Accepted: 01/27/2023] [Indexed: 02/04/2023]
Abstract
The past few decades have witnessed significant progress in the discovery of hydrogen sulfide (H2S) as a ubiquitous gaseous signaling molecule in mammalian physiology, akin to nitric oxide and carbon monoxide. As the third gasotransmitter, H2S is now known to exert a wide range of physiological and cytoprotective functions in the biological systems. However, endogenous H2S concentrations are usually low, and its potential biologic mechanisms responsible have not yet been fully clarified. Recently, a growing body of evidence has demonstrated that protein persulfidation, a posttranslational modification of cysteine residues (RSH) to persulfides (RSSH) elicited by H2S, is a fundamental mechanism of H2S-mediated signaling pathways. Persulfidation, as a biological switch for protein function, plays an important role in the maintenance of cell homeostasis in response to various internal and external stress stimuli and is also implicated in numerous diseases, such as cardiovascular and neurodegenerative diseases and cancer. In this review, the biological significance of protein persulfidation by H2S in cell stress response is reviewed providing a framework for understanding the multifaceted roles of H2S. A mechanism-guided perspective can help open novel avenues for the exploitation of therapeutics based on H2S-induced persulfidation in the context of diseases.
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Affiliation(s)
- Bo He
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Zhe Zhang
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Zhao Huang
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Xirui Duan
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Yu Wang
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Jiangjun Cao
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Lei Li
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Kai He
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Weifeng He
- Institute of Burn Research, Southwest Hospital, State Key Laboratory of Trauma, Burn and Combined Injury, Chongqing Key Laboratory for Disease Proteomics, Army Military Medical University, Chongqing 400038, China.
| | - Wei Gao
- Clinical Genetics Laboratory, Affiliated Hospital & Clinical Medical College of Chengdu University, Chengdu 610081, China.
| | - Zhisen Shen
- Department of Otorhinolaryngology and Head and Neck Surgery, Affiliated Lihuili Hospital, Ningbo University, Ningbo 315040, Zhejiang, China.
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13
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Hydrogen Sulfide Promotes Osteogenesis by Modulating Macrophage Polarization. Int Immunopharmacol 2023; 115:109564. [PMID: 36571916 DOI: 10.1016/j.intimp.2022.109564] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/28/2022] [Accepted: 12/05/2022] [Indexed: 12/25/2022]
Abstract
Macrophages, a versatile subset of immune cells, are essential for successful bone repair. Hydrogen sulfide (H2S) is a gasotransmitter associated with tissue development and repair. Emerging evidence demonstrates that H2S is involved in bone formation under physiology condition and bone regeneration under pathology condition. However, whether hydrogen sulfide mediates osteogenesis by influencing macrophages is unknown. Here, we aimed to investigate the effects of hydrogen sulfide on macrophage polarization and the subsequent impact on bone regeneration. In the present study, we found that the H2S-donor GYY4137 stimulated M0/M1 macrophages to express high level of CD-206 and IL-10 but decreased the levels of i-NOS and TNF-α in M1 macrophages. Furthermore, coculture of GYY4137-treated M0 macrophages with pro-osteoblastic MC3T3-E1 cells significantly increased the viability of the MC3T3-E1 cells. Importantly, the formation of mineralized particles in MC3T3-E1 cells was significantly promoted following coculture with IL-4-treated and GYY4137-treated M0 macrophages. Collectively, our study demonstrated that hydrogen sulfide increased macrophages M2 polarization and subsequently promoted bone regeneration.
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14
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Zhang H, Du J, Huang Y, Tang C, Jin H. Hydrogen Sulfide Regulates Macrophage Function in Cardiovascular Diseases. Antioxid Redox Signal 2023; 38:45-56. [PMID: 35658575 DOI: 10.1089/ars.2022.0075] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Significance: Hydrogen sulfide (H2S) is an endogenous gasotransmitter that plays a vital role in immune system regulation. Recently, the regulation of macrophage function by H2S has been extensively and actively recognized. Recent Advances: The mechanisms by which endogenous H2S controls macrophage function have attracted increasing attention. The generation of endogenous H2S from macrophages is mainly catalyzed by cystathionine-γ-lyase. H2S is involved in the macrophage activation and inflammasome formation, which contributes to macrophage apoptosis, adhesion, chemotaxis, and polarization. In addition, H2S has redox ability and interacts with reactive oxygen species to prevent oxidative stress. Moreover, H2S epigenetically regulates gene expression. Critical Issues: In this article, the generation of endogenous H2S in macrophages and its regulatory effect on macrophage function are reviewed. In addition, the signal transduction targeting macrophages by H2S is also addressed. Finally, the potential therapeutic effect of H2S on macrophages is discussed. Future Directions: Further experiments are required to explore the involvement of endogenous H2S in the regulation of macrophage function in various physiological and pathophysiological processes and elucidate the mechanisms involved. Regarding the clinical translation of H2S, further exploration of the application of H2S in inflammation-related diseases is needed. Antioxid. Redox Signal. 38, 45-56.
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Affiliation(s)
- Han Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing, People's Republic of China
| | - Junbao Du
- Department of Pediatrics, Peking University First Hospital, Beijing, People's Republic of China.,Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Beijing, People's Republic of China
| | - Yaqian Huang
- Department of Pediatrics, Peking University First Hospital, Beijing, People's Republic of China
| | - Chaoshu Tang
- Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Beijing, People's Republic of China.,Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, People's Republic of China
| | - Hongfang Jin
- Department of Pediatrics, Peking University First Hospital, Beijing, People's Republic of China
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15
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Wu Z, Li M, Ren X, Zhang R, He J, Cheng L, Cheng R, Hu T. Double-Edged Sword Effect of Pyroptosis: The Role of Caspase-1/-4/-5/-11 in Different Levels of Apical Periodontitis. Biomolecules 2022; 12:1660. [PMID: 36359010 PMCID: PMC9687662 DOI: 10.3390/biom12111660] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/30/2022] [Accepted: 11/03/2022] [Indexed: 01/19/2024] Open
Abstract
The study was to investigate the effect of canonical and noncanonical pyroptosis in apical periodontitis. Proteins' profiles of human apical periodontitis tissue were analyzed by label-free proteomics. Immunofluorescence was used to detect proteins related to pyroptosis in human apical periodontitis tissues and experimental apical periodontitis models. A dual experimental apical periodontitis model with both smaller (mandible) and larger (maxilla) bone lesions was established. THP-1-derived macrophages were stimulated with P. gingivalis lipopolysaccharide in vitro with or without the caspase-1/-4/-5 inhibitor Ac-FTDL-CMK. Propidium iodide staining, lactic dehydrogenase release and Western blot were applied to evaluate cell death and the protein expression. Caspase-1/-4/-5 were expressed in human apical periodontitis tissues. Caspase-1/-11 were involved in bone loss in experimental apical periodontitis. Caspase-1/-11 inhibitors reduced bone loss in larger lesions (maxilla) but accelerated bone loss in smaller lesions (mandible). Caspase-1/-4/-5 inhibitors also showed double-edged sword effects on propidium iodide staining and lactic dehydrogenase release in vitro. The expression of cleaved-caspase-1/-4/-5, mature interluekin-1β and gasdermin D N-terminal domain increased in THP-1-derived macrophages after lipopolysaccharide stimulation but decreased after treatment with Ac-FTDL-CMK. Pyroptosis contributed to apical periodontitis and excited a double-edged sword effect in inducing bone loss in vivo and cell death in vitro.
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Affiliation(s)
| | | | | | | | | | | | - Ran Cheng
- State Key Laboratory of Oral Diseases, Frontier Innovation Center for Dental Medicine Plus, National Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Tao Hu
- State Key Laboratory of Oral Diseases, Frontier Innovation Center for Dental Medicine Plus, National Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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16
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Xiang R, Liu Y, Fan L, Jiang B, Wang F. RNA adenosine deaminase (ADAR1) alleviates high-fat diet-induced nonalcoholic fatty liver disease by inhibiting NLRP3 inflammasome. J Transl Med 2022; 102:1088-1100. [PMID: 36775349 DOI: 10.1038/s41374-022-00805-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 04/13/2022] [Accepted: 05/06/2022] [Indexed: 12/26/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a chronic inflammatory disease in which nucleotide-binding domain of leucine-rich repeat protein 3 (NLRP3) inflammasome plays an important role. The present research was aimed to explore the protective function of ADAR1, an RNA editing enzyme, against inflammatory damages in high-fat diet (HFD)-induced NAFLD through inhibiting NLRP3 inflammasome and subsequent inflammation. A total of 30 patients with NAFLD were investigated, and ADAR1 mRNA expression in peripheral blood monocytes surveyed. The in vivo study used lentivirus to explore the function of ADAR1 overexpression in the HFD-induced mouse model of NAFLD. The in vitro study used lentivirus and siRNA to explore the function of ADAR1 on the NLRP3 inflammasome activation in THP-1 cells. Results shown that the ADAR1 expression was upregulated in NAFLD patients in comparison to healthy controls. In vivo, the upregulation of ADAR1 impaired NLRP3 inflammasome activation and alleviated liver disease in HFD mice in comparison to the control group. Moreover, ADAR1 overexpression attenuated NLRP3 inflammasome in lipopolysaccharide (LPS)+ palmitic acid (PA)-induced THP-1 cells, while ADAR1 knockdown increased the NLRP3 inflammasome activation. Furthermore, we speculated that c-Jun may participate in ADAR1's inhibition of NLRP3 inflammasome. Our results suggested that ADAR1 is a potential treatment target for NAFLD via regulating the activation of NLRP3 inflammasome.
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Affiliation(s)
- Rong Xiang
- The Endocrinology Department of the Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China.,Department of Cell Biology, School of Life Sciences, Central South University, Changsha, 410013, China.,Hunan Key Laboratory of Medical Genetics, Central South University, Changsha, 410078, China.,Hunan Key Laboratory of Animal for Human Disease, School of Life Sciences, Central South University, Changsha, China
| | - Yuxing Liu
- The Endocrinology Department of the Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China.,Department of Cell Biology, School of Life Sciences, Central South University, Changsha, 410013, China
| | - Liangliang Fan
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, 410013, China.,Hunan Key Laboratory of Medical Genetics, Central South University, Changsha, 410078, China.,Hunan Key Laboratory of Animal for Human Disease, School of Life Sciences, Central South University, Changsha, China
| | - Boyue Jiang
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, 410013, China
| | - Fang Wang
- The Endocrinology Department of the Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China. .,Hunan Key Laboratory of Animal for Human Disease, School of Life Sciences, Central South University, Changsha, China.
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17
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Gupta R, Sahu M, Tripathi R, Ambasta RK, Kumar P. Protein S-sulfhydration: Unraveling the prospective of hydrogen sulfide in the brain, vasculature and neurological manifestations. Ageing Res Rev 2022; 76:101579. [PMID: 35124235 DOI: 10.1016/j.arr.2022.101579] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 01/30/2022] [Accepted: 02/01/2022] [Indexed: 02/08/2023]
Abstract
Hydrogen sulfide (H2S) and hydrogen polysulfides (H2Sn) are essential regulatory signaling molecules generated by the entire body, including the central nervous system. Researchers have focused on the classical H2S signaling from the past several decades, whereas the last decade has shown the emergence of H2S-induced protein S-sulfhydration signaling as a potential therapeutic approach. Cysteine S-persulfidation is a critical paradigm of post-translational modification in the process of H2S signaling. Additionally, studies have shown the cross-relationship between S-sulfhydration and other cysteine-induced post-translational modifications, namely nitrosylation and carbonylation. In the central nervous system, S-sulfhydration is involved in the cytoprotection through various signaling pathways, viz. inflammatory response, oxidative stress, endoplasmic reticulum stress, atherosclerosis, thrombosis, and angiogenesis. Further, studies have demonstrated H2S-induced S-sulfhydration in regulating different biological processes, such as mitochondrial integrity, calcium homeostasis, blood-brain permeability, cerebral blood flow, and long-term potentiation. Thus, protein S-sulfhydration becomes a crucial regulatory molecule in cerebrovascular and neurodegenerative diseases. Herein, we first described the generation of intracellular H2S followed by the application of H2S in the regulation of cerebral blood flow and blood-brain permeability. Further, we described the involvement of S-sulfhydration in different biological and cellular functions, such as inflammatory response, mitochondrial integrity, calcium imbalance, and oxidative stress. Moreover, we highlighted the importance of S-sulfhydration in cerebrovascular and neurodegenerative diseases.
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18
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Guo S, Huang Z, Zhu J, Yue T, Wang X, Pan Y, Bu D, Liu Y, Wang P, Chen S. CBS-H 2S axis preserves the intestinal barrier function by inhibiting COX-2 through sulfhydrating human antigen R in colitis. J Adv Res 2022; 44:201-212. [PMID: 36725190 PMCID: PMC9936422 DOI: 10.1016/j.jare.2022.03.010] [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: 03/03/2021] [Revised: 07/15/2021] [Accepted: 03/14/2022] [Indexed: 02/04/2023] Open
Abstract
INTRODUCTION Lipopolysaccharide (LPS) causes lesions of the epithelial barrier, which allows translocation of pathogens from the intestinal lumen to the host's circulation. Hydrogen sulfide (H2S) regulates multiple physiological and pathological processes in colonic epithelial tissue, and CBS-H2S axis involved in multiple gastrointestinal disorder. However, the mechanism underlying the effect of the CBS-H2S axis on the intestinal and systemic inflammation in colitis remains to be illustrated. OBJECTIVES To investigate the effect of CBS-H2S axis on the intestinal and systematic inflammation related injuries in LPS induced colitis and the underlying mechanisms. METHODS Wild type and CBS-/+ mice were used to evaluate the effect of endogenous and exogenous H2S on LPS-induced colitis in vivo. Cytokine quantitative antibody array, western blot and real-time PCR were applied to detect the key cytokines in the mechanism of action. Biotin switch of S-sulfhydration, CRISPR/Cas9 mediated knockout, immunofluorescence and ActD chase assay were used in the in vitro experiment to further clarify the molecular mechanisms. RESULTS H2S significantly alleviated the symptoms of LPS-induced colitis in vivo and attenuated the increase of COX-2 expression. The sulfhydrated HuR increased when CBS express normally or GYY4137 was administered. While after knocking kown CBS, the expression of COX-2 in mice colon increased significantly, and the sulfhydration level of HuR decreased. The results in vitro illustrated that HuR can increase the stability of COX-2 mRNA, and the decrease of COX-2 were due to increased sulfhydration of HuR rather than the reduction of total HuR levels. CONCLUSION These results indicated that CBS-H2S axis played an important role in protecting intestinal barrier function in colitis. CBS-H2S axis increases the sulfhydration level of HuR, by which reduces the binding of HuR with COX-2 mRNA and inhibited the expression of COX-2.
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Affiliation(s)
- Shihao Guo
- Division of General Surgery, Peking University First Hospital, Peking University, 8, Beijing 100034, People’s Republic of China,Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Zhihao Huang
- Division of General Surgery, Peking University First Hospital, Peking University, 8, Beijing 100034, People’s Republic of China
| | - Jing Zhu
- Division of General Surgery, Peking University First Hospital, Peking University, 8, Beijing 100034, People’s Republic of China
| | - Taohua Yue
- Division of General Surgery, Peking University First Hospital, Peking University, 8, Beijing 100034, People’s Republic of China
| | - Xin Wang
- Division of General Surgery, Peking University First Hospital, Peking University, 8, Beijing 100034, People’s Republic of China
| | - Yisheng Pan
- Division of General Surgery, Peking University First Hospital, Peking University, 8, Beijing 100034, People’s Republic of China
| | - Dingfang Bu
- Central Laboratory, Peking University First Hospital, Peking University, 8, Beijing 100034, People’s Republic of China
| | - Yucun Liu
- Division of General Surgery, Peking University First Hospital, Peking University, 8, Beijing 100034, People’s Republic of China
| | - Pengyuan Wang
- Division of General Surgery, Peking University First Hospital, Peking University, 8, Beijing 100034, People's Republic of China.
| | - Shanwen Chen
- Division of General Surgery, Peking University First Hospital, Peking University, 8, Beijing 100034, People's Republic of China.
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19
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Zhou M, Chen JY, Chao ML, Zhang C, Shi ZG, Zhou XC, Xie LP, Sun SX, Huang ZR, Luo SS, Ji Y. S-nitrosylation of c-Jun N-terminal kinase mediates pressure overload-induced cardiac dysfunction and fibrosis. Acta Pharmacol Sin 2022; 43:602-612. [PMID: 34011968 PMCID: PMC8888706 DOI: 10.1038/s41401-021-00674-9] [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: 01/03/2021] [Accepted: 03/31/2021] [Indexed: 02/04/2023] Open
Abstract
Cardiac fibrosis (CF) is an irreversible pathological process that occurs in almost all kinds of cardiovascular diseases. Phosphorylation-dependent activation of c-Jun N-terminal kinase (JNK) induces cardiac fibrosis. However, whether S-nitrosylation of JNK mediates cardiac fibrosis remains an open question. A biotin-switch assay confirmed that S-nitrosylation of JNK (SNO-JNK) increased significantly in the heart tissues of hypertrophic patients, transverse aortic constriction (TAC) mice, spontaneously hypertensive rats (SHRs), and neonatal rat cardiac fibroblasts (NRCFs) stimulated with angiotensin II (Ang II). Site to site substitution of alanine for cysteine in JNK was applied to determine the S-nitrosylated site. S-Nitrosylation occurred at both Cys116 and Cys163 and substitution of alanine for cysteine 116 and cysteine 163 (C116/163A) inhibited Ang II-induced myofibroblast transformation. We further confirmed that the source of S-nitrosylation was inducible nitric oxide synthase (iNOS). 1400 W, an inhibitor of iNOS, abrogated the profibrotic effects of Ang II in NRCFs. Mechanistically, SNO-JNK facilitated the nuclear translocation of JNK, increased the phosphorylation of c-Jun, and induced the transcriptional activity of AP-1 as determined by chromatin immunoprecipitation and EMSA. Finally, WT and iNOS-/- mice were subjected to TAC and iNOS knockout reduced SNO-JNK and alleviated cardiac fibrosis. Our findings demonstrate an alternative mechanism by which iNOS-induced SNO-JNK increases JNK pathway activity and accelerates cardiac fibrosis. Targeting SNO-JNK might be a novel therapeutic strategy against cardiac fibrosis.
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Affiliation(s)
- Miao Zhou
- grid.89957.3a0000 0000 9255 8984Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, 201203 China
| | - Ji-yu Chen
- grid.89957.3a0000 0000 9255 8984Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, 201203 China
| | - Meng-Lin Chao
- grid.89957.3a0000 0000 9255 8984Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, 201203 China
| | - Chao Zhang
- grid.89957.3a0000 0000 9255 8984Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, 201203 China
| | - Zhi-guang Shi
- grid.89957.3a0000 0000 9255 8984Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, 201203 China
| | - Xue-chun Zhou
- grid.89957.3a0000 0000 9255 8984Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, 201203 China
| | - Li-ping Xie
- grid.89957.3a0000 0000 9255 8984Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, 201203 China ,grid.89957.3a0000 0000 9255 8984Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, 201203 China
| | - Shi-xiu Sun
- grid.89957.3a0000 0000 9255 8984Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, 201203 China
| | - Zheng-rong Huang
- grid.412625.6Department of Cardiology, the First Affiliated Hospital of Xiamen University, Xiamen, 361003 China
| | - Shan-shan Luo
- grid.89957.3a0000 0000 9255 8984Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, 201203 China
| | - Yong Ji
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, 201203, China. .,Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, 201203, China. .,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, 201203, China.
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20
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Wortmann M, Klotz R, Kalkum E, Dihlmann S, Böckler D, Peters AS. Inflammasome Targeted Therapy as Novel Treatment Option for Aortic Aneurysms and Dissections: A Systematic Review of the Preclinical Evidence. Front Cardiovasc Med 2022; 8:805150. [PMID: 35127865 PMCID: PMC8811141 DOI: 10.3389/fcvm.2021.805150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/28/2021] [Indexed: 12/09/2022] Open
Abstract
Both aortic aneurysm and dissection are life threatening pathologies. In the lack of a conservative medical treatment, the only therapy consists of modifying cardiovascular risk factors and either surgical or endovascular treatment. Like many other cardiovascular diseases, in particular atherosclerosis, aortic aneurysm and dissection have a strong inflammatory phenotype. Inflammasomes are part of the innate immune system. Upon stimulation they form multi protein complexes resulting mainly in activation of interleukin-1β and other cytokines. Considering the gathering evidence, that inflammasomes are decisively involved in the emergence and progression of aortic diseases, inflammasome targeted therapy provides a promising new treatment approach. A systematic review following the PRISMA guidelines on the current preclinical data regarding the potential role of inflammasome targeted drug therapy as novel treatment option for aortic aneurysms and dissections was performed. Included were all rodent models of aortic disease (aortic aneurysm and dissection) evaluating a drug therapy with direct or indirect inhibition of inflammasomes and a suitable control group with the use of the same aortic model without the inflammasome targeted therapy. Primary and secondary outcomes were incidence of aortic disease, aortic rupture, aortic related death, and the maximum aortic diameter. The literature search of MEDLINE (via PubMed), the Web of Science, EMBASE and the Cochrane Central Registry of Registered Trials (CENTRAL) resulted in 8,137 hits. Of these, four studies met the inclusion criteria and were therefore eligible for data analysis. In all of them, targeting of the NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3) inflammasome effectively reduced the incidence of aortic disease and aortic rupture, and additionally reduced destruction of the aortic wall. Treatment strategies aiming at other inflammasomes could not be identified. In conclusion, inflammasome targeted therapies, more precisely targeting the NLRP3 inflammasome, have shown promising results in rodent models and deserve further investigation in preclinical research to potentially translate them into clinical research for the treatment of human patients with aortic disease. Regarding other inflammasomes, more preclinical research is needed to investigate their role in the pathophysiology of aortic disease. Protocol Registration: PROSPERO 2021 CRD42021279893, https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42021279893
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Affiliation(s)
- Markus Wortmann
- Department of Vascular and Endovascular Surgery, University Hospital Heidelberg, Heidelberg, Germany
- *Correspondence: Markus Wortmann
| | - Rosa Klotz
- Study Center of the German Surgical Society (SDGC), University of Heidelberg, Heidelberg, Germany
- Department of General, Visceral and Transplantation Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Eva Kalkum
- Study Center of the German Surgical Society (SDGC), University of Heidelberg, Heidelberg, Germany
| | - Susanne Dihlmann
- Department of Vascular and Endovascular Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Dittmar Böckler
- Department of Vascular and Endovascular Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Andreas S. Peters
- Department of Vascular and Endovascular Surgery, University Hospital Heidelberg, Heidelberg, Germany
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21
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Ahmed S, Panda SR, Kwatra M, Sahu BD, Naidu VGM. Perillyl Alcohol Attenuates NLRP3 Inflammasome Activation and Rescues Dopaminergic Neurons in Experimental In Vitro and In Vivo Models of Parkinson's Disease. ACS Chem Neurosci 2022; 13:53-68. [PMID: 34904823 DOI: 10.1021/acschemneuro.1c00550] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
NLRP3 activation plays a key role in the initiation and progression of a variety of neurodegenerative diseases. However, understanding the molecular mechanisms involved in the bidirectional signaling required to activate the NLRP3 inflammasomes is the key to treating several diseases. Hence, the present study aimed to investigate the role of lipopolysaccharide (LPS) and hydrogen peroxide (H2O2) in activating NLRP3 inflammasome-driven neurodegeneration and elucidated the neuroprotective role of perillyl alcohol (PA) in in vitro and in vivo models of Parkinson's disease (PD). Initial priming of microglial cells with LPS following treatment with H2O2 induced NF-κB translocation to the nucleus with a robust generation of free radicals that act as signal 2 in augmenting NLRP3 inflammasome assembly and its downstream targets. PA treatment suppresses the nuclear translocation of NF-κB, enhances PARKIN translocation into the mitochondria, and maintains cellular redox homeostasis in both mouse and human microglial cells that limit NLRP3 inflammasome activation along with processing of active caspase-1, IL-1β, and IL-18. To further correlate the in vitro study with the in vivo MPTP model, treatment with PA also inhibited the nuclear translocation of NF-κB and downregulated the NLRP3 inflammasome activation. PA administration upregulated various antioxidant enzymes' levels and restored the level of dopamine and other neurotransmitters in the striatum of the mouse brain, subsequently improving the behavioral activities. Therefore, we conclude that NLRP3 inflammasome activation required a signal from damaged mitochondria for its activation. Further pharmacological scavenging of free radicals restricts microglia activation and simultaneously supports neuronal survival via targeting the NLRP3 inflammasome pathway in PD.
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Affiliation(s)
- Sahabuddin Ahmed
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Changsari, Kamrup, Assam 781101, India
| | - Samir Ranjan Panda
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Changsari, Kamrup, Assam 781101, India
| | - Mohit Kwatra
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Changsari, Kamrup, Assam 781101, India
| | - Bidya Dhar Sahu
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Changsari, Kamrup, Assam 781101, India
| | - VGM Naidu
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Changsari, Kamrup, Assam 781101, India
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22
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Zhao S, Song TY, Wang ZY, Gao J, Cao JW, Hu LL, Huang ZR, Xie LP, Ji Y. S-nitrosylation of Hsp90 promotes cardiac hypertrophy in mice through GSK3β signaling. Acta Pharmacol Sin 2021; 43:1979-1988. [PMID: 34934196 PMCID: PMC9343375 DOI: 10.1038/s41401-021-00828-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/18/2021] [Indexed: 12/16/2022] Open
Abstract
Cardiac hypertrophy, as one of the major predisposing factors for chronic heart failure, lacks effective interventions. Exploring the pathogenesis of cardiac hypertrophy will reveal potential therapeutic targets. S-nitrosylation is a kind of posttranslational modification that occurs at active cysteines of proteins to mediate various cellular processes. We here identified heat shock protein 90 (Hsp90) as a highly S-nitrosylated target in the hearts of rodents with hypertrophy, and the role of Hsp90 in cardiac hypertrophy remains undefined. The S-nitrosylation of Hsp90 (SNO-Hsp90) levels were elevated in angiotensin II (Ang II)- or phenylephrine (PE)-treated neonatal rat cardiomyocytes (NRCMs) in vitro as well as in cardiomyocytes isolated from mice subjected to transverse aortic constriction (TAC) in vivo. We demonstrated that the elevated SNO-Hsp90 levels were mediated by decreased S-nitrosoglutathione reductase (GSNOR) expression during cardiac hypertrophy, and delivery of GSNOR adeno-associated virus expression vectors (AAV9-GSNOR) decreased the SNO-Hsp90 levels to attenuate cardiac hypertrophy. Mass spectrometry analysis revealed that cysteine 589 (Cys589) might be the S-nitrosylation site of Hsp90. Delivery of the mutated AAV9-Hsp90-C589A inhibited SNO-Hsp90 levels and attenuated cardiac hypertrophy. We further revealed that SNO-Hsp90 led to increased interaction of glycogen synthase kinase 3β (GSK3β) and Hsp90, leading to elevated GSK3β phosphorylation and decreased eIF2Bε phosphorylation, thereby aggravating cardiac hypertrophy. Application of GSK3β inhibitor TWS119 abolished the protective effect of Hsp90-C589A mutation in Ang II-treated NRCMs. In conclusion, this study demonstrates a critical role of SNO-Hsp90 in cardiac hypertrophy, which may be of a therapeutic target for cardiac hypertrophy treatment.
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23
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Hydrogen Sulfide Attenuates Angiotensin II-Induced Cardiac Fibroblast Proliferation and Transverse Aortic Constriction-Induced Myocardial Fibrosis through Oxidative Stress Inhibition via Sirtuin 3. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:9925771. [PMID: 34603602 PMCID: PMC8486544 DOI: 10.1155/2021/9925771] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/30/2021] [Accepted: 08/07/2021] [Indexed: 12/12/2022]
Abstract
Sirtuin 3 (SIRT3) is critical in mitochondrial function and oxidative stress. Our present study investigates whether hydrogen sulfide (H2S) attenuated myocardial fibrosis and explores the possible role of SIRT3 on the protective effects. Neonatal rat cardiac fibroblasts were pretreated with NaHS followed by angiotensin II (Ang II) stimulation. SIRT3 was knocked down with siRNA technology. SIRT3 promoter activity and expression, as well as mitochondrial function, were measured. Male wild-type (WT) and SIRT3 knockout (KO) mice were intraperitoneally injected with NaHS followed by transverse aortic constriction (TAC). Myocardium sections were stained with Sirius red. Hydroxyproline content, collagen I and collagen III, α-smooth muscle actin (α-SMA), and dynamin-related protein 1 (DRP1) expression were measured both in vitro and in vivo. We found that NaHS enhanced SIRT3 promoter activity and increased SIRT3 mRNA expression. NaHS inhibited cell proliferation and hydroxyproline secretion, decreased collagen I, collagen III, α-SMA, and DRP1 expression, alleviated oxidative stress, and improved mitochondrial respiration function and membrane potential in Ang II-stimulated cardiac fibroblasts, which were unavailable after SIRT3 was silenced. In vivo, NaHS reduced hydroxyproline content, ameliorated perivascular and interstitial collagen deposition, and inhibited collagen I, collagen III, and DRP1 expression in the myocardium of WT mice but not SIRT3 KO mice with TAC. Altogether, NaHS attenuated myocardial fibrosis through oxidative stress inhibition via a SIRT3-dependent manner.
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Mendiola PJ, Naik JS, Gonzalez Bosc LV, Gardiner AS, Birg A, Kanagy NL. Hydrogen Sulfide Actions in the Vasculature. Compr Physiol 2021; 11:2467-2488. [PMID: 34558672 DOI: 10.1002/cphy.c200036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Hydrogen sulfide (H2 S) is a small, gaseous molecule with poor solubility in water that is generated by multiple pathways in many species including humans. It acts as a signaling molecule in many tissues with both beneficial and pathological effects. This article discusses its many actions in the vascular system and the growing evidence of its role to regulate vascular tone, angiogenesis, endothelial barrier function, redox, and inflammation. Alterations in some disease states are also discussed including potential roles in promoting tumor growth and contributions to the development of metabolic disease. © 2021 American Physiological Society. Compr Physiol 11:1-22, 2021.
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Affiliation(s)
| | - Jay S Naik
- University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | | | - Amy S Gardiner
- University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Aleksandr Birg
- University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Nancy L Kanagy
- University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
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Li M, Mao J, Zhu Y. New Therapeutic Approaches Using Hydrogen Sulfide Donors in Inflammation and Immune Response. Antioxid Redox Signal 2021; 35:341-356. [PMID: 33789440 DOI: 10.1089/ars.2020.8249] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Significance: Inflammation and immune response are associated with many pathological disorders, including rheumatoid arthritis, lupus, heart failure, and cancer(s). In recent times, important roles of hydrogen sulfide (H2S) have been evidenced by researchers in inflammatory responses, as well as immunomodulatory effects in several disease models. Recent Advances: Numerous biological targets, including cytochrome c oxidase, various kinases, enzymes involved in epigenetic changes, transcription factors, namely nuclear factor kappa B and nuclear factor erythroid 2-related factor 2, and several membrane ion channels, are shown to be sensitive to H2S and have been widely investigated in various preclinical models. Critical Issues: A complete understanding of the effects of H2S in inflammatory and immune response is vital in the development of novel H2S generating therapeutics. In this review, the biological effects and pharmacological properties of H2S in inflammation and immune response are addressed. The review also covers some of the novel H2S releasing prodrugs developed in recent years as tools to study this fascinating molecule. Future Directions: H2S plays important roles in inflammation and immunity-related processes. Future researches are needed to further assess the immunomodulatory effects of H2S and to assist in the design of more efficient H2S carrier systems, or drug formulations, for the management of immune-related conditions in humans. Antioxid. Redox Signal. 35, 341-356.
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Affiliation(s)
- Meng Li
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Macau, China
| | - Jianchun Mao
- Department of Rheumatology, Longhua Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yizhun Zhu
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Macau, China
- School of Pharmacy, Macau University of Science and Technology, Macau, China
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
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26
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Hydrogen Sulfide and the Immune System. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1315:99-128. [PMID: 34302690 DOI: 10.1007/978-981-16-0991-6_5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Hydrogen sulfide (H2S) is the "third gasotransmitter" recognized alongside nitric oxide (NO) and carbon monoxide (CO). H2S exhibits an array of biological effects in mammalian cells as revealed by studies showing important roles in the cardiovascular system, in cell signalling processes, post-translational modifications and in the immune system. Regarding the latter, using pharmacological and genetic approaches scientists have shown this molecule to have both pro- and anti-inflammatory effects in mammalian systems. The anti-inflammatory effects of H2S appeared to be due to its inhibitory action on the nuclear factor kappa beta signalling pathway; NF-kB representing a transcription factor involved in the regulation pro-inflammatory mediators like nitric oxide, prostaglandins, and cytokines. In contrast, results from several animal model describe a more complicated picture and report on pro-inflammatory effects linked to exposure to this molecule; linked to dosage used and point of administration of this molecule. Overall, roles for H2S in several inflammatory diseases spanning arthritis, atherosclerosis, sepsis, and asthma have been described by researchers. In light this work fascinating research, this chapter will cover H2S biology and its many roles in the immune system.
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27
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Cui J, Xu G, Bian F. H 2S alleviates aortic aneurysm and dissection: Crosstalk between transforming growth factor 1 signaling and NLRP3 inflammasome. Int J Cardiol 2021; 338:215-225. [PMID: 34157359 DOI: 10.1016/j.ijcard.2021.05.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 04/18/2021] [Accepted: 05/05/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Vascular remodeling and inflammation are involved in aortic aneurysm (AA) and aortic dissection (AD). TGF-β1 signaling is involved in tissue fibrosis, extracellular matrix remodeling and inflammation, which are linked with AA and AD. The inhibition of NLRP3 inflammasome suppresses AA and AD. Hydrogen sulfide (H2S) exerts anti-vascular remodeling and anti-inflammatory properties, but little is known about its action on AA and AD progression. METHODS The effect of H2S on AA and AD formation was investigated in Sprague-Dawley (SD) rat fed a normal diet supplemented with 0.25% β-aminopropionitrile (BAPN). HE staining, Masson's trichrome staining, Picrosirius red staining and EVG staining were to evaluate vascular remodeling in the aortic wall. Western blotting and IHC were to detect the expression of TGF-β1 and matrix metalloproteinases (MMPs) and NLRP3 inflammasome-associated proteins. The interaction between TGF-β1 signaling and NLRP3 inflammasome was explored in Human aortic vascular smooth muscle cells (HA-VSMCs). RESULTS H2S alleviated AA and AD progression. Specifically, it improved irregular tissue arrangement and vascular fibrosis, increased the expression of elastin fibers, decreased collagen deposition and the expression of TGF-β1 and matrix metalloproteinases (MMP-2/9). In addition, H2S inhibited the expression of proteins involved in NLRP3 inflammasome. Furthermore, H2S down-regulated TGF-β1 signaling and then ameliorated vascular fibrosis by preventing NLRP3 inflammasome activation. Finally, H2S inhibited NLRP3 inflammasome activation and decreased the level of IL-1β by disrupting TGF-β1 signaling. CONCLUSIONS These data support a crosstalk between TGF-β1 signaling and NLRP3 inflammasome. H2S inhibits AA and AD progression via blocking the crosstalk.
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Affiliation(s)
- Jun Cui
- Department of Cardiothoracic Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang 441000, Hubei, China
| | - Gao Xu
- Department of Pharmacy, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Fang Bian
- Department of Pharmacy, Special Preparation of Vitiligo Xiangyang Key Laboratory, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang 441000, Hubei, China.
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Wang YZ, Ngowi EE, Wang D, Qi HW, Jing MR, Zhang YX, Cai CB, He QL, Khattak S, Khan NH, Jiang QY, Ji XY, Wu DD. The Potential of Hydrogen Sulfide Donors in Treating Cardiovascular Diseases. Int J Mol Sci 2021; 22:2194. [PMID: 33672103 PMCID: PMC7927090 DOI: 10.3390/ijms22042194] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/05/2021] [Accepted: 02/10/2021] [Indexed: 02/08/2023] Open
Abstract
Hydrogen sulfide (H2S) has long been considered as a toxic gas, but as research progressed, the idea has been updated and it has now been shown to have potent protective effects at reasonable concentrations. H2S is an endogenous gas signaling molecule in mammals and is produced by specific enzymes in different cell types. An increasing number of studies indicate that H2S plays an important role in cardiovascular homeostasis, and in most cases, H2S has been reported to be downregulated in cardiovascular diseases (CVDs). Similarly, in preclinical studies, H2S has been shown to prevent CVDs and improve heart function after heart failure. Recently, many H2S donors have been synthesized and tested in cellular and animal models. Moreover, numerous molecular mechanisms have been proposed to demonstrate the effects of these donors. In this review, we will provide an update on the role of H2S in cardiovascular activities and its involvement in pathological states, with a special focus on the roles of exogenous H2S in cardiac protection.
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Affiliation(s)
- Yi-Zhen Wang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
| | - Ebenezeri Erasto Ngowi
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
- Department of Biological Sciences, Faculty of Science, Dar es Salaam University College of Education, Dar es Salaam 2329, Tanzania
| | - Di Wang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
| | - Hui-Wen Qi
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
| | - Mi-Rong Jing
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
| | - Yan-Xia Zhang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
| | - Chun-Bo Cai
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
| | - Qing-Lin He
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
- School of Nursing and Health, Henan University, Kaifeng 475004, China
| | - Saadullah Khattak
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
- Kaifeng Municipal Key Laboratory of Cell Signal Transduction, Henan Provincial Engineering Centre for Tumor Molecular Medicine, Henan University, Kaifeng 475004, China
- School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Nazeer Hussain Khan
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
- Kaifeng Municipal Key Laboratory of Cell Signal Transduction, Henan Provincial Engineering Centre for Tumor Molecular Medicine, Henan University, Kaifeng 475004, China
- School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Qi-Ying Jiang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
| | - Xin-Ying Ji
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
- Kaifeng Key Laboratory of Infection and Biological Safety, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Dong-Dong Wu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.-Z.W.); (E.E.N.); (D.W.); (H.-W.Q.); (M.-R.J.); (Y.-X.Z.); (C.-B.C.); (Q.-L.H.); (S.K.); (N.H.K.)
- School of Stomatology, Henan University, Kaifeng 475004, China
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Cai L, Chen Q, Yao Z, Sun Q, Wu L, Ni Y. Glucocorticoid receptors involved in melatonin inhibiting cell apoptosis and NLRP3 inflammasome activation caused by bacterial toxin pyocyanin in colon. Free Radic Biol Med 2021; 162:478-489. [PMID: 33189867 DOI: 10.1016/j.freeradbiomed.2020.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 10/30/2020] [Accepted: 11/04/2020] [Indexed: 02/07/2023]
Abstract
The immunoinhibitory effect of glucocorticoid and immunoenhancing attributes of melatonin (MEL) are well known, however, the involvement of glucocorticoid receptor (GR) in melatonin modulation of bacterial toxins caused-inflammation has not been studied in colon. Pyocyanin (PCN), a toxin released by Pseudomonas aeruginosa, can destroy cells through generating superoxide products and inflammatory response. Here we report that PCN treatment elevated the generation of reactive oxygen species (ROS), which further lead to mitochondrial swelling and caspase cascades activation both in vivo and in vitro. However, MEL treatment alleviated the oxidative stress caused by PCN on cells through scavenging ROS and restoring the expression of antioxidant enzyme so that to effectively alleviate the apoptosis. Large amounts of ROS can activate the NLRP3 signaling pathway, so MEL inhibited PCN induced NLRP3 inflammasome activation and inflammatory cytokines (IL-1β, IL-8, and TNF-α) secretion. In order to further investigate the molecular mechanism, goblet cells were exposed to MEL and PCN in the presence of luzindole and RU486, inhibitors of MEL receptors and GR respectively. It was found that PCN significantly inhibited the expression level of GR, and MEL effectively alleviated the inhibition phenomenon. Moreover, we found that MEL mainly upregulated the expression of GR to achieve its anti-inflammatory and anti-apoptotic functions rather than through its own receptor (MT2) in colon goblet cells. Therefore, MEL can reverse the inhibitory effects of PCN on GR/p-GR expression to present its anti-oxidative and anti-apoptotic function.
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Affiliation(s)
- Liuping Cai
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Qu Chen
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Zhihao Yao
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Qinwei Sun
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Lei Wu
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Yingdong Ni
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
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Hu L, Guo J, Zhou L, Zhu S, Wang C, Liu J, Hu S, Yang M, Lin C. Hydrogen Sulfide Protects Retinal Pigment Epithelial Cells from Oxidative Stress-Induced Apoptosis and Affects Autophagy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:8868564. [PMID: 33488939 PMCID: PMC7790554 DOI: 10.1155/2020/8868564] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 12/02/2020] [Accepted: 12/16/2020] [Indexed: 12/12/2022]
Abstract
Age-related macular degeneration (AMD) is a major cause of visual impairment and blindness among the elderly. AMD is characterized by retinal pigment epithelial (RPE) cell dysfunction. However, the pathogenesis of AMD is still unclear, and there is currently no effective treatment. Accumulated evidence indicates that oxidative stress and autophagy play a crucial role in the development of AMD. H2S is an antioxidant that can directly remove intracellular superoxide anions and hydrogen peroxide. The purpose of this study is to investigate the antioxidative effect of H2S in RPE cells and its role in autophagy. The results show that exogenous H2S (NaHS) pretreatment effectively reduces H2O2-induced oxidative stress, oxidative damage, apoptosis, and inflammation in ARPE-19 cells. NaHS pretreatment also decreased autophagy levels raised by H2O2, increased cell viability, and ameliorated cell morphological damage. Interestingly, the suppression of autophagy by its inhibitor 3-MA showed an increase of cell viability, amelioration of morphology, and a decrease of apoptosis. In summary, oxidative stress causes ARPE-19 cell injury by inducing cell autophagy. However exogenous H2S is shown to attenuate ARPE-19 cell injury, decrease apoptosis, and reduce the occurrence of autophagy-mediated by oxidative stress. These findings suggest that autophagy might play a crucial role in the development of AMD, and exogenous H2S has a potential value in the treatment of AMD.
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Affiliation(s)
- Liming Hu
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Jia Guo
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Li Zhou
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Sen Zhu
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Chunming Wang
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Jiawei Liu
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Shanshan Hu
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Mulin Yang
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Changjun Lin
- School of Life Sciences, Lanzhou University, Lanzhou, China
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Gáll T, Pethő D, Nagy A, Balla G, Balla J. Therapeutic Potential of Carbon Monoxide (CO) and Hydrogen Sulfide (H 2S) in Hemolytic and Hemorrhagic Vascular Disorders-Interaction between the Heme Oxygenase and H 2S-Producing Systems. Int J Mol Sci 2020; 22:ijms22010047. [PMID: 33374506 PMCID: PMC7793096 DOI: 10.3390/ijms22010047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/18/2020] [Accepted: 12/19/2020] [Indexed: 02/07/2023] Open
Abstract
Over the past decades, substantial work has established that hemoglobin oxidation and heme release play a pivotal role in hemolytic/hemorrhagic disorders. Recent reports have shown that oxidized hemoglobins, globin-derived peptides, and heme trigger diverse biological responses, such as toll-like receptor 4 activation with inflammatory response, reprogramming of cellular metabolism, differentiation, stress, and even death. Here, we discuss these cellular responses with particular focus on their mechanisms that are linked to the pathological consequences of hemorrhage and hemolysis. In recent years, endogenous gasotransmitters, such as carbon monoxide (CO) and hydrogen sulfide (H2S), have gained a lot of interest in connection with various human pathologies. Thus, many CO and H2S-releasing molecules have been developed and applied in various human disorders, including hemolytic and hemorrhagic diseases. Here, we discuss our current understanding of oxidized hemoglobin and heme-induced cell and tissue damage with particular focus on inflammation, cellular metabolism and differentiation, and endoplasmic reticulum stress in hemolytic/hemorrhagic human diseases, and the potential beneficial role of CO and H2S in these pathologies. More detailed mechanistic insights into the complex pathology of hemolytic/hemorrhagic diseases through heme oxygenase-1/CO as well as H2S pathways would reveal new therapeutic approaches that can be exploited for clinical benefit.
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Affiliation(s)
- Tamás Gáll
- Division of Nephrology, Department of Medicine, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (T.G.); (D.P.); (A.N.)
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, University of Debrecen, 4032 Debrecen, Hungary;
| | - Dávid Pethő
- Division of Nephrology, Department of Medicine, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (T.G.); (D.P.); (A.N.)
- Faculty of Medicine, University of Debrecen, Kálmán Laki Doctoral School, 4032 Debrecen, Hungary
| | - Annamária Nagy
- Division of Nephrology, Department of Medicine, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (T.G.); (D.P.); (A.N.)
- Faculty of Medicine, University of Debrecen, Kálmán Laki Doctoral School, 4032 Debrecen, Hungary
| | - György Balla
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, University of Debrecen, 4032 Debrecen, Hungary;
- Department of Pediatrics, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary
| | - József Balla
- Division of Nephrology, Department of Medicine, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (T.G.); (D.P.); (A.N.)
- Correspondence: ; Tel.: +36-52-255-500/55004
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Calabrese V, Scuto M, Salinaro AT, Dionisio G, Modafferi S, Ontario ML, Greco V, Sciuto S, Schmitt CP, Calabrese EJ, Peters V. Hydrogen Sulfide and Carnosine: Modulation of Oxidative Stress and Inflammation in Kidney and Brain Axis. Antioxidants (Basel) 2020; 9:antiox9121303. [PMID: 33353117 PMCID: PMC7767317 DOI: 10.3390/antiox9121303] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/11/2020] [Accepted: 12/14/2020] [Indexed: 02/06/2023] Open
Abstract
Emerging evidence indicates that the dysregulation of cellular redox homeostasis and chronic inflammatory processes are implicated in the pathogenesis of kidney and brain disorders. In this light, endogenous dipeptide carnosine (β-alanyl-L-histidine) and hydrogen sulfide (H2S) exert cytoprotective actions through the modulation of redox-dependent resilience pathways during oxidative stress and inflammation. Several recent studies have elucidated a functional crosstalk occurring between kidney and the brain. The pathophysiological link of this crosstalk is represented by oxidative stress and inflammatory processes which contribute to the high prevalence of neuropsychiatric disorders, cognitive impairment, and dementia during the natural history of chronic kidney disease. Herein, we provide an overview of the main pathophysiological mechanisms related to high levels of pro-inflammatory cytokines, including interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and neurotoxins, which play a critical role in the kidney–brain crosstalk. The present paper also explores the respective role of H2S and carnosine in the modulation of oxidative stress and inflammation in the kidney–brain axis. It suggests that these activities are likely mediated, at least in part, via hormetic processes, involving Nrf2 (Nuclear factor-like 2), Hsp 70 (heat shock protein 70), SIRT-1 (Sirtuin-1), Trx (Thioredoxin), and the glutathione system. Metabolic interactions at the kidney and brain axis level operate in controlling and reducing oxidant-induced inflammatory damage and therefore, can be a promising potential therapeutic target to reduce the severity of renal and brain injuries in humans.
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Affiliation(s)
- Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
- Correspondence: (V.C.); (A.T.S.)
| | - Maria Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Angela Trovato Salinaro
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
- Correspondence: (V.C.); (A.T.S.)
| | - Giuseppe Dionisio
- Department of Molecular Biology and Genetics, Research Center Flakkebjerg, Aarhus University, Forsøgsvej 1, 4200 Slagelse, Denmark;
| | - Sergio Modafferi
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Maria Laura Ontario
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Valentina Greco
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Sebastiano Sciuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Claus Peter Schmitt
- Centre for Pediatric and Adolescent Medicine, University of Heidelberg, 69120 Heidelberg, Germany; (C.P.S.); (V.P.)
| | - Edward J. Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA 01003, USA;
| | - Verena Peters
- Centre for Pediatric and Adolescent Medicine, University of Heidelberg, 69120 Heidelberg, Germany; (C.P.S.); (V.P.)
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T Pournara D, Durner A, Kritsi E, Papakostas A, Zoumpoulakis P, Nicke A, Koufaki M. Design, Synthesis, and in vitro Evaluation of P2X7 Antagonists. ChemMedChem 2020; 15:2530-2543. [PMID: 32964578 DOI: 10.1002/cmdc.202000303] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 08/09/2020] [Indexed: 01/03/2023]
Abstract
The P2X7 receptor is a promising target for the treatment of various diseases due to its significant role in inflammation and immune cell signaling. This work describes the design, synthesis, and in vitro evaluation of a series of novel derivatives bearing diverse scaffolds as potent P2X7 antagonists. Our approach was based on structural modifications of reported (adamantan-1-yl)methylbenzamides able to inhibit the receptor activation. The adamantane moieties and the amide bond were replaced, and the replacements were evaluated by a ligand-based pharmacophore model. The antagonistic potency of the synthesized analogues was assessed by two-electrode voltage clamp experiments, using Xenopus laevis oocytes that express the human P2X7 receptor. SAR studies suggested that the replacement of the adamantane ring by an aryl-cyclohexyl moiety afforded the most potent antagonists against the activation of the P2X7 cation channel, with analogue 2-chloro-N-[1-(3-(nitrooxymethyl)phenyl)cyclohexyl)methyl]benzamide (56) exhibiting the best potency with an IC50 value of 0.39 μM.
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Affiliation(s)
- Dimitra T Pournara
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
| | - Anna Durner
- Walther-Straub-Institut für Pharmakologie und Toxikologie, Ludwig-Maximilians-Universität München, Nußbaumstr. 26, 80336, München, Germany
| | - Eftichia Kritsi
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
| | - Alexios Papakostas
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
| | - Panagiotis Zoumpoulakis
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
| | - Annette Nicke
- Walther-Straub-Institut für Pharmakologie und Toxikologie, Ludwig-Maximilians-Universität München, Nußbaumstr. 26, 80336, München, Germany
| | - Maria Koufaki
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
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Yang CT, Devarie-Baez NO, Hamsath A, Fu XD, Xian M. S-Persulfidation: Chemistry, Chemical Biology, and Significance in Health and Disease. Antioxid Redox Signal 2020; 33:1092-1114. [PMID: 31547682 PMCID: PMC7583347 DOI: 10.1089/ars.2019.7889] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Significance: S-Persulfidation generates persulfide adducts (RSSH) on both small molecules and proteins. This process is believed to be critical in the regulation of biological functions of reactive sulfur species such as H2S, as well as in signal transduction. S-Persulfidation also plays regulatory roles in human health and diseases. Recent Advances: Some mechanisms underlying the generation of low-molecular-weight persulfides and protein S-persulfidation in living organisms have been uncovered. Some methods for the specific delivery of persulfides and the detection of persulfides in biological systems have been developed. These advances help to pave the road to better understand the functions of S-persulfidation. Critical Issues: Persulfides are highly reactive and unstable. Currently, their identification relies on trapping them by S-alkylation, but this is not always reliable due to rapid sulfur exchange reactions. Therefore, the presence, identity, and fates of persulfides in biological environments are sometimes difficult to track. Future Directions: Further understanding the fundamental chemistry/biochemistry of persulfides and development of more reliable detection methods are needed. S-Persulfidation in specific protein targets is essential in organismal physiological health and human disease states. Besides cardiovascular and neuronal systems, the roles of persulfidation in other systems need to be further explored. Contradictory results of persulfidation in biology, especially in cancer, need to be clarified.
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Affiliation(s)
- Chun-Tao Yang
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Protein Modification and Degradation Key Lab of Guangzhou and Guangdong, Key Laboratory of Molecular Clinical Pharmacology in School of Pharmaceutics Science, Guangzhou Medical University, Guangzhou, China.,Department of Chemistry, Washington State University, Pullman, Washington, USA
| | - Nelmi O Devarie-Baez
- Department of Chemistry, Washington State University-Tri Cities, Richland, Washington, USA
| | - Akil Hamsath
- Department of Chemistry, Washington State University, Pullman, Washington, USA
| | - Xiao-Dong Fu
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Protein Modification and Degradation Key Lab of Guangzhou and Guangdong, Key Laboratory of Molecular Clinical Pharmacology in School of Pharmaceutics Science, Guangzhou Medical University, Guangzhou, China
| | - Ming Xian
- Department of Chemistry, Washington State University, Pullman, Washington, USA
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Zhang H, Bai Z, Zhu L, Liang Y, Fan X, Li J, Wen H, Shi T, Zhao Q, Wang Z. Hydrogen sulfide donors: Therapeutic potential in anti-atherosclerosis. Eur J Med Chem 2020; 205:112665. [DOI: 10.1016/j.ejmech.2020.112665] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/09/2020] [Accepted: 07/12/2020] [Indexed: 12/15/2022]
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Sun F, Luo JH, Yue TT, Wang FX, Yang CL, Zhang S, Wang XQ, Wang CY. The role of hydrogen sulphide signalling in macrophage activation. Immunology 2020; 162:3-10. [PMID: 32876334 PMCID: PMC7730026 DOI: 10.1111/imm.13253] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 07/27/2020] [Accepted: 07/30/2020] [Indexed: 01/05/2023] Open
Abstract
Hydrogen sulphide (H2S) is the latest identified small gaseous mediator enabled by its lipophilic nature to freely permeate the biological membranes. Initially, H2S was recognized by its roles in neuronal activity and vascular relaxation, which makes it an important molecule involved in paracrine signalling pathways. Recently, the immune regulatory function of gasotransmitters, H2S in particular, is increasingly being appreciated. Endogenous H2S level has been linked to macrophage activation, polarization and inflammasome formation. Mechanistically, H2S‐induced protein S‐sulphydration suppresses several inflammatory pathways including NF‐κB and JNK signalling. Moreover, H2S serves as a potent cellular redox regulator to modulate epigenetic alterations and to promote mitochondrial biogenesis in macrophages. Here in this review, we intend to summarize the recent advancements of H2S studies in macrophages, and to discuss with focus on the therapeutic potential of H2S donors by targeting macrophages. The feasibility of H2S signalling component as a macrophage biomarker under disease conditions would be also discussed.
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Affiliation(s)
- Fei Sun
- The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Jia-Hui Luo
- The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Tian-Tian Yue
- The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Fa-Xi Wang
- The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Chun-Liang Yang
- The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Shu Zhang
- The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Xin-Qiang Wang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Cong-Yi Wang
- The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China.,Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China.,Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
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Lee AH, Dixit VD. Dietary Regulation of Immunity. Immunity 2020; 53:510-523. [PMID: 32937152 PMCID: PMC7491384 DOI: 10.1016/j.immuni.2020.08.013] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 08/19/2020] [Accepted: 08/24/2020] [Indexed: 12/20/2022]
Abstract
Integrated immunometabolic responses link dietary intake, energy utilization, and storage to immune regulation of tissue function and is therefore essential for the maintenance and restoration of homeostasis. Adipose-resident leukocytes have non-traditional immunological functions that regulate organismal metabolism by controlling insulin action, lipolysis, and mitochondrial respiration to control the usage of substrates for production of heat versus ATP. Energetically expensive vital functions such as immunological responses might have thus evolved to respond accordingly to dietary surplus and deficit of macronutrient intake. Here, we review the interaction of dietary intake of macronutrients and their metabolism with the immune system. We discuss immunometabolic checkpoints that promote healthspan and highlight how dietary fate and regulation of glucose, fat, and protein metabolism might affect immunity.
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Affiliation(s)
- Aileen H Lee
- Department of Comparative Medicine, Yale School of Medicine, New Haven, CT 06520, USA; Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA
| | - Vishwa Deep Dixit
- Department of Comparative Medicine, Yale School of Medicine, New Haven, CT 06520, USA; Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA; Yale Center for Research on Aging, Yale School of Medicine, New Haven, CT 06520, USA.
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38
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Wang H, Shi X, Qiu M, Lv S, Zheng H, Niu B, Liu H. Hydrogen Sulfide Plays an Important Role by Influencing NLRP3 inflammasome. Int J Biol Sci 2020; 16:2752-2760. [PMID: 33110394 PMCID: PMC7586428 DOI: 10.7150/ijbs.47595] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 08/12/2020] [Indexed: 12/12/2022] Open
Abstract
Inflammasome is a complex composed of several proteins and an important part of the natural immune system. Nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3) inflammasome is composed of NLRP3, apoptosis associated speck like protein (ASC) and pro-caspase-1. It plays an important role in many diseases. Hydrogen sulfide (H2S) is an important signaling molecule that regulates many physiological and pathological processes. Recent studies indicated that H2S played anti-inflammatory and pro-inflammatory roles in many diseases through influencing NLRP3 inflammasome, but its mechanism was not fully understood. This article reviewed the progress about the effects of H2S on NLRP3 inflammasome and its mechanisms involved in recent years to provide theoretical basis for in-depth study.
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Affiliation(s)
- Honggang Wang
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
| | - Xingzhuo Shi
- School of Life Science, Henan University, Kaifeng, Henan, 475000, China
| | - Mengyuan Qiu
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
| | - Shuangyu Lv
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
| | - Hong Zheng
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
| | - Baohua Niu
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
| | - Huiyang Liu
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
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Dilek N, Papapetropoulos A, Toliver-Kinsky T, Szabo C. Hydrogen sulfide: An endogenous regulator of the immune system. Pharmacol Res 2020; 161:105119. [PMID: 32781284 DOI: 10.1016/j.phrs.2020.105119] [Citation(s) in RCA: 128] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/30/2020] [Accepted: 07/30/2020] [Indexed: 12/12/2022]
Abstract
Hydrogen sulfide (H2S) is now recognized as an endogenous signaling gasotransmitter in mammals. It is produced by mammalian cells and tissues by various enzymes - predominantly cystathionine β-synthase (CBS), cystathionine γ-lyase (CSE) and 3-mercaptopyruvate sulfurtransferase (3-MST) - but part of the H2S is produced by the intestinal microbiota (colonic H2S-producing bacteria). Here we summarize the available information on the production and functional role of H2S in the various cell types typically associated with innate immunity (neutrophils, macrophages, dendritic cells, natural killer cells, mast cells, basophils, eosinophils) and adaptive immunity (T and B lymphocytes) under normal conditions and as it relates to the development of various inflammatory and immune diseases. Special attention is paid to the physiological and the pathophysiological aspects of the oral cavity and the colon, where the immune cells and the parenchymal cells are exposed to a special "H2S environment" due to bacterial H2S production. H2S has many cellular and molecular targets. Immune cells are "surrounded" by a "cloud" of H2S, as a result of endogenous H2S production and exogenous production from the surrounding parenchymal cells, which, in turn, importantly regulates their viability and function. Downregulation of endogenous H2S producing enzymes in various diseases, or genetic defects in H2S biosynthetic enzyme systems either lead to the development of spontaneous autoimmune disease or accelerate the onset and worsen the severity of various immune-mediated diseases (e.g. autoimmune rheumatoid arthritis or asthma). Low, regulated amounts of H2S, when therapeutically delivered by small molecule donors, improve the function of various immune cells, and protect them against dysfunction induced by various noxious stimuli (e.g. reactive oxygen species or oxidized LDL). These effects of H2S contribute to the maintenance of immune functions, can stimulate antimicrobial defenses and can exert anti-inflammatory therapeutic effects in various diseases.
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Affiliation(s)
- Nahzli Dilek
- Chair of Pharmacology, Section of Medicine, University of Fribourg, Switzerland
| | - Andreas Papapetropoulos
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece
| | - Tracy Toliver-Kinsky
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA
| | - Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, Switzerland; Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA.
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Comas F, Latorre J, Ortega F, Oliveras-Cañellas N, Lluch A, Ricart W, Fernández-Real JM, Moreno-Navarrete JM. Permanent cystathionine-β-Synthase gene knockdown promotes inflammation and oxidative stress in immortalized human adipose-derived mesenchymal stem cells, enhancing their adipogenic capacity. Redox Biol 2020; 42:101668. [PMID: 32800520 PMCID: PMC8113015 DOI: 10.1016/j.redox.2020.101668] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 07/29/2020] [Indexed: 12/12/2022] Open
Abstract
In the present study, we aimed to investigate the impact of permanent cystathionine-β-Synthase (CBS) gene knockdown in human telomerase reverse transcriptase (hTERT) immortalized human adipose-derived mesenchymal stem cells (ASC52telo) and in their capacity to differentiate into adipocytes. CBS gene KD in ASC52telo cells led to increased cellular inflammation (IL6, CXCL8, TNF) and oxidative stress markers (increased intracellular reactive oxygen species and decreased reduced glutathione levels) in parallel to decreased H2S production and rejuvenation (LC3 and SIRT1)-related gene expression. In addition, CBS gene KD in ASC52telo cells resulted in altered mitochondrial respiratory function, characterised by decreased basal respiration (specifically proton leak) and spare respiratory capacity, without significant effects on cell viability and proliferation. In this context, shCBS-ASC52telo cells displayed enhanced adipogenic (FABP4, ADIPOQ, SLC2A4, CEBPA, PPARG)-, lipogenic (FASN, DGAT1)- and adipocyte (LEP, LBP)-related gene expression markers, decreased expression of proinflammatory cytokines, and increased intracellular lipid accumulation during adipocyte differentiation compared to control ASC52telo cells. Otherwise, the increased adipogenic potential of shCBS-ASC52telo cells was detrimental to the ability to differentiate into osteogenic linage. In conclusion, this study demonstrated that permanent CBS gene KD in ASC52telo cells promotes a cellular senescence phenotype with a very increased adipogenic potential, promoting a non-physiological enhanced adipocyte differentiation with excessive lipid storage.
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Affiliation(s)
- Ferran Comas
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IdIBGi), CIBEROBN (CB06/03/010) and Instituto de Salud Carlos III (ISCIII), Girona, Spain
| | - Jèssica Latorre
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IdIBGi), CIBEROBN (CB06/03/010) and Instituto de Salud Carlos III (ISCIII), Girona, Spain
| | - Francisco Ortega
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IdIBGi), CIBEROBN (CB06/03/010) and Instituto de Salud Carlos III (ISCIII), Girona, Spain
| | - Núria Oliveras-Cañellas
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IdIBGi), CIBEROBN (CB06/03/010) and Instituto de Salud Carlos III (ISCIII), Girona, Spain
| | - Aina Lluch
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IdIBGi), CIBEROBN (CB06/03/010) and Instituto de Salud Carlos III (ISCIII), Girona, Spain
| | - Wifredo Ricart
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IdIBGi), CIBEROBN (CB06/03/010) and Instituto de Salud Carlos III (ISCIII), Girona, Spain
| | - José Manuel Fernández-Real
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IdIBGi), CIBEROBN (CB06/03/010) and Instituto de Salud Carlos III (ISCIII), Girona, Spain; Department of Medicine, Universitat de Girona, Girona, Spain.
| | - José María Moreno-Navarrete
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IdIBGi), CIBEROBN (CB06/03/010) and Instituto de Salud Carlos III (ISCIII), Girona, Spain; Department of Medicine, Universitat de Girona, Girona, Spain.
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Endogenous hydrogen sulfide sulfhydrates IKKβ at cysteine 179 to control pulmonary artery endothelial cell inflammation. Clin Sci (Lond) 2020; 133:2045-2059. [PMID: 31654061 DOI: 10.1042/cs20190514] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 09/26/2019] [Accepted: 10/07/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Pulmonary artery endothelial cell (PAEC) inflammation is a critical event in the development of pulmonary arterial hypertension (PAH). However, the pathogenesis of PAEC inflammation remains unclear. METHODS Purified recombinant human inhibitor of κB kinase subunit β (IKKβ) protein, human PAECs and monocrotaline-induced pulmonary hypertensive rats were employed in the study. Site-directed mutagenesis, gene knockdown or overexpression were conducted to manipulate the expression or activity of a target protein. RESULTS We showed that hydrogen sulfide (H2S) inhibited IKKβ activation in the cell model of human PAEC inflammation induced by monocrotaline pyrrole-stimulation or knockdown of cystathionine γ-lyase (CSE), an H2S generating enzyme. Mechanistically, H2S was proved to inhibit IKKβ activity directly via sulfhydrating IKKβ at cysteinyl residue 179 (C179) in purified recombinant IKKβ protein in vitro, whereas thiol reductant dithiothreitol (DTT) reversed H2S-induced IKKβ inactivation. Furthermore, to demonstrate the significance of IKKβ sulfhydration by H2S in the development of PAEC inflammation, we mutated C179 to serine (C179S) in IKKβ. In purified IKKβ protein, C179S mutation of IKKβ abolished H2S-induced IKKβ sulfhydration and the subsequent IKKβ inactivation. In human PAECs, C179S mutation of IKKβ blocked H2S-inhibited IKKβ activation and PAEC inflammatory response. In pulmonary hypertensive rats, C179S mutation of IKKβ abolished the inhibitory effect of H2S on IKKβ activation and pulmonary vascular inflammation and remodeling. CONCLUSION Collectively, our in vivo and in vitro findings demonstrated, for the first time, that endogenous H2S directly inactivated IKKβ via sulfhydrating IKKβ at Cys179 to inhibit nuclear factor-κB (NF-κB) pathway activation and thereby control PAEC inflammation in PAH.
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42
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Hydrogen Sulfide Protects against Paraquat-Induced Acute Liver Injury in Rats by Regulating Oxidative Stress, Mitochondrial Function, and Inflammation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6325378. [PMID: 32064027 PMCID: PMC6998754 DOI: 10.1155/2020/6325378] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 12/10/2019] [Accepted: 12/30/2019] [Indexed: 12/13/2022]
Abstract
In addition to the lung, the liver is considered another major target for paraquat (PQ) poisoning. Hydrogen sulfide (H2S) has been demonstrated to be effective in the inhibition of oxidative stress and inflammation. The aim of this study was to investigate the protective effect of exogenous H2S against PQ-induced acute liver injury. The acute liver injury model was established by a single intraperitoneal injection of PQ, evidenced by histological alteration and elevated serum aminotransferase levels. Different doses of NaHS were administered intraperitoneally one hour before exposure to PQ. Analysis of the data shows that exogenous H2S attenuated the PQ-induced liver injury and oxidative stress in a dose-dependent manner. H2S significantly suppressed reactive oxygen species (ROS) generation and the elevation of malondialdehyde content while it increased the ratio of GSH/GSSG and levels of antioxidant enzymes including SOD, GSH-Px, HO-1, and NQO-1. When hepatocytes were subjected to PQ-induced oxidative stress, H2S markedly enhanced nuclear translocation of Nrf2 via S-sulfhydration of Keap1 and resulted in the increase in IDH2 activity by regulating S-sulfhydration of SIRT3. In addition, H2S significantly suppressed NLRP3 inflammasome activation and subsequent IL-1β excretion in PQ-induced acute liver injury. Moreover, H2S cannot reverse the decrease in SIRT3 and activation of the NLRP3 inflammasome caused by PQ in Nrf2-knockdown hepatocytes. In summary, H2S attenuated the PQ-induced acute liver injury by enhancing antioxidative capability, regulating mitochondrial function, and suppressing ROS-induced NLRP3 inflammasome activation. The antioxidative effect of H2S in PQ-induced liver injury can at least partly be attributed to the promotion of Nrf2-driven antioxidant enzymes via Keap1 S-sulfhydration and regulation of SIRT3/IDH2 signaling via Nrf2-dependent SIRT3 gene transcription as well as SIRT3 S-sulfhydration. Thus, H2S supplementation can form the basis for a promising novel therapeutic strategy for PQ-induced acute liver injury.
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43
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Liu L, Zhou M, Zhu R, Zhou J, Ni L, Wang Z, Liu N, Zhu F, Shi T, Deng Z, Wang Y, Tian Y, Li R, Yang H, Wang Z, Jiang J, Xu Y. Hydrogen sulfide protects against particle-induced inflammatory response and osteolysis via SIRT1 pathway in prosthesis loosening. FASEB J 2020; 34:3743-3754. [PMID: 31943384 DOI: 10.1096/fj.201900393rr] [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: 02/11/2019] [Revised: 11/16/2019] [Accepted: 12/19/2019] [Indexed: 01/01/2023]
Abstract
Wear debris-induced osteolysis and ensuing aseptic loosening is the main cause of implant failure and revision surgery. Wear debris-induced inflammatory response plays key roles in peri-implant osteolysis. Recently, substantial of evidence suggests that hydrogen sulfide (H2 S), the third gasotransmitter, is a critical player regulating inflammation. However, the role and therapeutic potential of H2 S in wear debris-induced inflammation and osteolysis remains to be defined. In the present study, we investigated the effect of H2 S on wear debris-induced pro-inflammatory cytokines expression and osteolysis in vitro and in vivo. With a slow-releasing H2 S donor GYY4137, our study demonstrated that H2 S attenuated wear debris-induced osteolysis and osteoclastogenesis in murine calvaria resorption models. The expression of tumor necrosis factor-alpha (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6) that stimulated by wear particles were significantly reduced by GYY4137. Further, the level of sirtuin 1 (SIRT1), which possesses anti-inflammation property, was examined in vivo and in macrophages. And we found that wear debris decreased the expression of SIRT1. Cotreated macrophages with GYY4137 in part reversed the decline of SIRT1. More importantly, with the SIRT1 recombinant lentivirus and small interfering RNAs (siRNA) against SIRT1, our data indicated that SIRT1 mediated the inhibitory effects of GYY4137 on wear debris-induced inflammation. Collectively, these results suggested that exogenous H2 S production (via H2 S donors) may represent a potential approach for the treatment of wear particle-induced osteolysis.
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Affiliation(s)
- Lei Liu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China.,Department of Orthopedics, The Affiliated Yixing Hospital of Jiangsu University, Yixing, China.,The Affiliated Yixing Clinical School of Medical School of Yangzhou University, Yixing, China
| | - Ming Zhou
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China.,Department of Orthopedics, The Affiliated Yixing Hospital of Jiangsu University, Yixing, China
| | - Ruofu Zhu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Jun Zhou
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Li Ni
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Zhidong Wang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Naicheng Liu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Feng Zhu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Tongguo Shi
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow, Soochow, China
| | - Zhantao Deng
- Division of Orthopedics Surgery, Department of Surgery, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yong Wang
- Department of Orthopedics, The Affiliated Yixing Hospital of Jiangsu University, Yixing, China
| | - Yixing Tian
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Rongqun Li
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Huilin Yang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Zhenheng Wang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
| | - Jiannong Jiang
- Department of Orthopedics, The Affiliated Yixing Hospital of Jiangsu University, Yixing, China.,The Affiliated Yixing Clinical School of Medical School of Yangzhou University, Yixing, China
| | - Yaozeng Xu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Soochow, China
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Zhou Y, Zhu X, Wang X, Peng Y, Du J, Yin H, Yang H, Ni X, Zhang W. H 2S alleviates renal injury and fibrosis in response to unilateral ureteral obstruction by regulating macrophage infiltration via inhibition of NLRP3 signaling. Exp Cell Res 2019; 387:111779. [PMID: 31846625 DOI: 10.1016/j.yexcr.2019.111779] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/11/2019] [Accepted: 12/13/2019] [Indexed: 10/25/2022]
Abstract
Renal fibrosis is a key pathological feature in chronic kidney diseases (CKDs). Dysregulation of hydrogen sulfide (H2S) homeostasis is implicated in the pathogenesis of CKDs. Here, C57/BL6 mice were allocated to Sham and unilateral ureteral obstruction (UUO) groups, which were treated with NaHS or NLRP3 inflammasome inhibitor 16673-34-0 for 3-14 days. UUO mice displayed downregulation of H2S production and increased macrophage infiltration in obstructed kidneys. H2S donor NaHS treatment attenuated renal damage and fibrosis and inhibited M1 and M2 macrophage infiltration. NLPR3 inflammasome was activated and levels of phosphorylated nuclear factor κB (NF-κB) p65 subunit, phosphorylated signal transducer and activator of transcription 6 (STAT6) and interleukin (IL)-4 protein were increased in the kidneys after UUO. NLRP3 inhibitor inactivated NF-κB and IL-4/STAT6 signaling, suppressed M1 and M2 macrophage infiltration and attenuated renal damage and fibrosis in UUO mice. NaHS treatment also suppressed NLRP3, NF-κB and IL-4/STAT6 activation in the obstructed kidneys. In conclusion, the therapeutic effects of H2S on UUO-induced renal injury and fibrosis are at least in part by inhibition of M1 and M2 macrophage infiltration. H2S suppresses NLRP3 activation and subsequently inactivates NF-κB and IL-4/STAT6 signaling, which may contribute to the anti-inflammatory and anti-fibrotic effects of H2S.
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Affiliation(s)
- Yueyuan Zhou
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiaoyan Zhu
- Department of Physiology, Second Military Medical University, Shanghai, China
| | - Xuan Wang
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yi Peng
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jiankui Du
- National International Joint Research Center for Medical Metabolomics, Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Physiology, Second Military Medical University, Shanghai, China
| | - Hongling Yin
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hui Yang
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xin Ni
- National International Joint Research Center for Medical Metabolomics, Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Physiology, Second Military Medical University, Shanghai, China.
| | - Weiru Zhang
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Kumar M, Sandhir R. Hydrogen sulfide attenuates hyperhomocysteinemia-induced mitochondrial dysfunctions in brain. Mitochondrion 2019; 50:158-169. [PMID: 31751655 DOI: 10.1016/j.mito.2019.11.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 08/04/2019] [Accepted: 11/11/2019] [Indexed: 12/17/2022]
Abstract
Hyperhomocysteinemia (HHcy) has been implicated in the development of neurodegenerative conditions and mild cognitive disorders. Mitochondrial dysfunctions are the major mechanisms involved in homocysteine (Hcy)-induced neurotoxicity. Although, hydrogen sulfide has been reported as potent antioxidant, its effects on Hcy-induced mitochondrial dysfunctions have not been studied. Therefore, the present study has been designed to evaluate the protective effect of NaHS on Hcy-induced mitochondrial dysfunctions in brain. NaHS supplementation decreased reactive oxygen species and nitrite levels in the cortex and hippocampus of animals with HHcy. NaHS supplementation increased the activity of mitochondrial electron transport chain components; NADH dehydrogenase, cytochrome c oxidase and F0-F1 ATPase in the cortex and hippocampus of HHcy animals along with in-gel activity of complex I - complex V in the mitochondria isolated from the cortex and hippocampus of HHcy animals. Moreover, NaHS supplementation also increased the mitochondrial complex I, II and IV mediated oxygen consumption rate in Hcy treated mitochondria. NaHS administration prevented the Hcy-induced mitochondrial damage as suggested by the decreased mitochondrial swelling in the cortex and hippocampus of HHcy animals. NaHS supplementation decreased the activity of lactate dehydrogenase isozymes (1-5) in the brain regions of HHcy animals. The expression of protein kinase c δ was also decreased in the brain regions of HHcy animals following NaHS supplementation. This was accompanied by reduced activity of caspase-3 indicating anti-apoptotic effect of H2S. Taken together, the findings suggest that H2S supplementation ameliorates Hcy-induced oxidative stress and mitochondrial dysfunctions suggesting H2S releasing drugs may be a novel therapeutic approach to treat HHcy associated neurological disorders.
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Affiliation(s)
- Mohit Kumar
- Department of Biochemistry, Basic Medical Science Block-II, Panjab University, Chandigarh 160014, India
| | - Rajat Sandhir
- Department of Biochemistry, Basic Medical Science Block-II, Panjab University, Chandigarh 160014, India.
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46
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Xu M, Hua Y, Qi Y, Meng G, Yang S. Exogenous hydrogen sulphide supplement accelerates skin wound healing via oxidative stress inhibition and vascular endothelial growth factor enhancement. Exp Dermatol 2019; 28:776-785. [PMID: 30927279 DOI: 10.1111/exd.13930] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 03/18/2019] [Indexed: 12/15/2022]
Abstract
Hydrogen sulphide (H2 S) is an important gasotransmitter with several physiological functions. However, the roles and the detailed mechanisms of H2 S on skin wound healing are not known well. In the present study, 129S1/SvImJ mice were intraperitoneally injected with NaHS (50 μmol/kg/d) for 2 weeks. Then, a round wound of 6 mm diameter with depth into the dermis was made. The skin wound area, blood perfusion, superoxide production, malondialdehyde (MDA) levels, total antioxidant capacity (T-AOC), expression of vascular endothelial growth factor (VEGF), dynamin-related protein 1 (DRP1) and optic atrophy 1 (OPA1) were measured. After NaHS (50 μmol/L) pre-administration for 4 hours, cell migration rate, DRP1, OPA1 and α-smooth muscle actin (α-SMA) expression, superoxide production and mitochondrial membrane potential in primary skin fibroblasts were measured. Tube formation in human umbilical vein endothelial cells (HUVECs) and cell migration in human keratinocytes were also measured. The results showed that NaHS pretreatment significantly accelerated wound healing and improved blood flow in the wound after operation. NaHS increased VEGF expression in the wound and promoted tube formation in HUVECs. Meanwhile, NaHS attenuated reactive oxygen species (ROS) production, suppressed MDA level but restored T-AOC in the wound. NaHS also promoted skin fibroblasts migration and α-SMA expression after scratch. Moreover, NaHS alleviated ROS, increased mitochondrial membrane potential, decreased DRP1 but enhanced OPA1 expression in skin fibroblasts after scratch. NaHS also accelerated human keratinocytes migration after scratch. Taken together, exogenous H2 S supplementary accelerated the skin wound healing, which might be related to oxidative stress inhibition and VEGF enhancement.
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Affiliation(s)
- Mengting Xu
- Department of Dermatology, Affiliated Hospital of Nantong University, Nantong, China.,Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, China
| | - Yuyun Hua
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, China
| | - Yan Qi
- Department of Dermatology, Affiliated Hospital of Nantong University, Nantong, China
| | - Guoliang Meng
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, China
| | - Shengju Yang
- Department of Dermatology, Affiliated Hospital of Nantong University, Nantong, China
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47
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Wu D, Zhong P, Wang J, Wang H. Exogenous hydrogen sulfide mitigates LPS + ATP-induced inflammation by inhibiting NLRP3 inflammasome activation and promoting autophagy in L02 cells. Mol Cell Biochem 2019; 457:145-156. [PMID: 30877511 DOI: 10.1007/s11010-019-03519-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 03/09/2019] [Indexed: 12/19/2022]
Abstract
The aim of this study is to investigate whether exogenous hydrogen sulfide (H2S) could mitigate lipopolysaccharide (LPS) + Adenosine Triphosphate (ATP)-induced inflammation by inhibiting nucleotide-binding oligomerization domain-like receptor 3 (NLRP3) inflammasome activation and promoting autophagy in L02 cells. We stimulated L02 cells with different concentrations of LPS, then the cell viability, cell apoptosis, and the protein level of NLRP3 inflammasome were detected by MTT and western blot to determine the appropriate LPS concentration used in this study. The cells were divided into 4 group: the cells in control group were cultured with RPMI-1640 for 23.5 h; the cells in LPS + ATP group were cultured with RPMI-1640 for 0.5 h, then were stimulated with 100 ng/ml LPS for 18 h followed by stimulation with 5 mM ATP for 5 h; the cells in Sodium hydrosulfide (NaHS) + LPS + ATP group were pretreated with NaHS for 0.5 h before exposure to LPS for 18 h and ATP for 5 h; the cells in NaHS group were treated with NaHS for 0.5 h, then were cultured with RPMI-1640 for 23 h. Subsequently, the cells in each group were collected, the protein levels of NLRP3, pro-caspase-1, cleaved caspase-1, P62, toll-like receptor 4 (TLR4), nuclear factor-kappa B (NF-κB), LC3, Beclin-1, and interleukin (IL)-1 beta (β) were detected by western blot and enzyme-linked immunosorbent assay. Our results showed that exogenous H2S reduced the protein levels of NLRP3, cleaved caspase-1, TLR4, NF-κB, P62, and IL-1β induced by LPS + ATP and increased the ratio of LC3-II/I and the protein levels of Beclin 1 suppressed by LPS + ATP. This study demonstrated that H2S might suppress LPS + ATP-induced inflammation by inhibiting NLRP3 inflammasome and promoting autophagy. In conclusion, H2S might have potential applications in the treatment of aseptic hepatitis.
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Affiliation(s)
- Dongdong Wu
- School of Basic Medical Science, Henan University, Kaifeng, 475004, Henan, China
| | - Peiyu Zhong
- School of Basic Medical Science, Henan University, Kaifeng, 475004, Henan, China
| | - Jun Wang
- School of Basic Medical Science, Henan University, Kaifeng, 475004, Henan, China
| | - Honggang Wang
- School of Basic Medical Science, Henan University, Kaifeng, 475004, Henan, China.
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Abstract
Sepsis was known to ancient Greeks since the time of great physician Hippocrates (460-377 BC) without exact information regarding its pathogenesis. With time and medical advances, it is now considered as a condition associated with organ dysfunction occurring in the presence of systemic infection as a result of dysregulation of the immune response. Still with this advancement, we are struggling for the development of target-based therapeutic approach for the management of sepsis. The advancement in understanding the immune system and its working has led to novel discoveries in the last 50 years, including different pattern recognition receptors. Inflammasomes are also part of these novel discoveries in the field of immunology which are <20 years old in terms of their first identification. They serve as important cytosolic pattern recognition receptors required for recognizing cytosolic pathogens, and their pathogen-associated molecular patterns play an important role in the pathogenesis of sepsis. The activation of both canonical and non-canonical inflammasome signaling pathways is involved in mounting a proinflammatory immune response via regulating the generation of IL-1β, IL-18, IL-33 cytokines and pyroptosis. In addition to pathogens and their pathogen-associated molecular patterns, death/damage-associated molecular patterns and other proinflammatory molecules involved in the pathogenesis of sepsis affect inflammasomes and vice versa. Thus, the present review is mainly focused on the inflammasomes, their role in the regulation of immune response associated with sepsis, and their targeting as a novel therapeutic approach.
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Affiliation(s)
- Vijay Kumar
- Children's Health Queensland Clinical Unit, School of Clinical Medicine, Faculty of Medicine, Mater Research, University of Queensland, Brisbane, Australia,
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, Australia,
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49
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Chen Y, Zhou Z, Min W. Mitochondria, Oxidative Stress and Innate Immunity. Front Physiol 2018; 9:1487. [PMID: 30405440 PMCID: PMC6200916 DOI: 10.3389/fphys.2018.01487] [Citation(s) in RCA: 204] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Accepted: 10/02/2018] [Indexed: 12/22/2022] Open
Abstract
Canonical functions of mitochondria include the regulation of cellular survival, orchestration of anabolic and metabolic pathways, as well as reactive oxygen species (ROS) signaling. Recent discoveries, nevertheless, have demonstrated that mitochondria are also critical elements to stimulate innate immune signaling cascade that is able to intensify the inflammation upon cytotoxic stimuli beyond microbial infection. Here we review the expanding research field of mitochondria and oxidative stress in innate immune system to highlight the new mechanistic insights and discuss the pathological relevance of mitochondrial dysregulation induced aberrant innate immune responses in a growing list of sterile inflammatory diseases.
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Affiliation(s)
- Yuxin Chen
- Department of Laboratory Medicine, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, China
| | - Zhongyang Zhou
- Center for Translational Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wang Min
- Center for Translational Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Department of Pathology and the Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, United States
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50
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Zhang L, Wang Y, Li Y, Li L, Xu S, Feng X, Liu S. Hydrogen Sulfide (H 2S)-Releasing Compounds: Therapeutic Potential in Cardiovascular Diseases. Front Pharmacol 2018; 9:1066. [PMID: 30298008 PMCID: PMC6160695 DOI: 10.3389/fphar.2018.01066] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 09/03/2018] [Indexed: 01/03/2023] Open
Abstract
Cardiovascular disease is the main cause of death worldwide, but its pathogenesis is not yet clear. Hydrogen sulfide (H2S) is considered to be the third most important endogenous gasotransmitter in the organism after carbon monoxide and nitric oxide. It can be synthesized in mammalian tissues and can freely cross the cell membrane and exert many biological effects in various systems including cardiovascular system. More and more recent studies have supported the protective effects of endogenous H2S and exogenous H2S-releasing compounds (such as NaHS, Na2S, and GYY4137) in cardiovascular diseases, such as cardiac hypertrophy, heart failure, ischemia/reperfusion injury, and atherosclerosis. Here, we provided an up-to-date overview of the mechanistic actions of H2S as well as the therapeutic potential of various classes of H2S donors in treating cardiovascular diseases.
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Affiliation(s)
- Lei Zhang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yanan Wang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yi Li
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Lingli Li
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Suowen Xu
- Aab Cardiovascular Research Institute, University of Rochester, Rochester, NY, United States
| | - Xiaojun Feng
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Sheng Liu
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
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