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Chen T, Bai D, Gong C, Cao Y, Yan X, Peng R. Hydrogen sulfide mitigates mitochondrial dysfunction and cellular senescence in diabetic patients: Potential therapeutic applications. Biochem Pharmacol 2024; 230:116556. [PMID: 39332692 DOI: 10.1016/j.bcp.2024.116556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2024] [Revised: 09/08/2024] [Accepted: 09/23/2024] [Indexed: 09/29/2024]
Abstract
Diabetes induces a pro-aging state characterized by an increased abundance of senescent cells in various tissues, heightened chronic inflammation, reduced substance and energy metabolism, and a significant increase in intracellular reactive oxygen species (ROS) levels. This condition leads to mitochondrial dysfunction, including elevated oxidative stress, the accumulation of mitochondrial DNA (mtDNA) damage, mitophagy defects, dysregulation of mitochondrial dynamics, and abnormal energy metabolism. These dysfunctions result in intracellular calcium ion (Ca2+) homeostasis disorders, telomere shortening, immune cell damage, and exacerbated inflammation, accelerating the aging of diabetic cells or tissues. Hydrogen sulfide (H2S), a novel gaseous signaling molecule, plays a crucial role in maintaining mitochondrial function and mitigating the aging process in diabetic cells. This article systematically explores the specific mechanisms by which H2S regulates diabetes-induced mitochondrial dysfunction to delay cellular senescence, offering a promising new strategy for improving diabetes and its complications.
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Affiliation(s)
- Ting Chen
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Dacheng Bai
- Guangdong Institute of Mitochondrial Biomedicine, Room 501, Coolpad Building, No.2 Mengxi Road, High-tech Industrial Park, Nanshan District, Shenzhen, Guangdong Province 518000, China
| | - Changyong Gong
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Yu Cao
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Xiaoqing Yan
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Renyi Peng
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China.
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Sekiguchi F, Tsubota M, Kawabata A. Sulfide and polysulfide as pronociceptive mediators: Focus on Ca v3.2 function enhancement and TRPA1 activation. J Pharmacol Sci 2024; 155:113-120. [PMID: 38797535 DOI: 10.1016/j.jphs.2024.04.007] [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: 03/26/2024] [Revised: 04/19/2024] [Accepted: 04/28/2024] [Indexed: 05/29/2024] Open
Abstract
Reactive sulfur species including sulfides, polysulfides and cysteine hydropersulfide play extensive roles in health and disease, which involve modification of protein functions through the interaction with metals bound to the proteins, cleavage of cysteine disulfide (S-S) bonds and S-persulfidation of cysteine residues. Sulfides over a wide micromolar concentration range enhance the activity of Cav3.2 T-type Ca2+ channels by eliminating Zn2+ bound to the channels, thereby promoting somatic and visceral pain. Cav3.2 is under inhibition by Zn2+ in physiological conditions, so that sulfides function to reboot Cav3.2 from Zn2+ inhibition and increase the excitability of nociceptors. On the other hand, polysulfides generated from sulfides activate TRPA1 channels via cysteine S-persulfidation, thereby facilitating somatic, but not visceral, pain. Thus, Cav3.2 function enhancement by sulfides and TRPA1 activation by polysulfides, synergistically accelerate somatic pain signals. The increased activity of the sulfide/Cav3.2 system, in particular, appears to have a great impact on pathological pain, and may thus serve as a therapeutic target for treatment of neuropathic and inflammatory pain including visceral pain.
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Affiliation(s)
- Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan.
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Rangel-Galván M, Rangel-Galván V, Rangel-Huerta A. T-type calcium channel modulation by hydrogen sulfide in neuropathic pain conditions. Front Pharmacol 2023; 14:1212800. [PMID: 37529702 PMCID: PMC10387653 DOI: 10.3389/fphar.2023.1212800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 07/05/2023] [Indexed: 08/03/2023] Open
Abstract
Neuropathic pain can appear as a direct or indirect nerve damage lesion or disease that affects the somatosensory nervous system. If the neurons are damaged or indirectly stimulated, immune cells contribute significantly to inflammatory and neuropathic pain. After nerve injury, peripheral macrophages/spinal microglia accumulate around damaged neurons, producing endogenous hydrogen sulfide (H2S) through the cystathionine-γ-lyase (CSE) enzyme. H2S has a pronociceptive modulation on the Cav3.2 subtype, the predominant Cav3 isoform involved in pain processes. The present review provides relevant information about H2S modulation on the Cav3.2 T-type channels in neuropathic pain conditions. We have discussed that the dual effect of H2S on T-type channels is concentration-dependent, that is, an inhibitory effect is seen at low concentrations of 10 µM and an augmentation effect on T-current at 100 µM. The modulation mechanism of the Cav3.2 channel by H2S involves the direct participation of the redox/Zn2+ affinity site located in the His191 in the extracellular loop of domain I of the channel, involving a group of extracellular cysteines, comprising C114, C123, C128, and C1333, that can modify the local redox environment. The indirect interaction pathways involve the regulation of the Cav3.2 channel through cytokines, kinases, and post-translational regulators of channel expression. The findings conclude that the CSE/H2S/Cav3.2 pathway could be a promising therapeutic target for neuropathic pain disorders.
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Affiliation(s)
- Maricruz Rangel-Galván
- Biothecnology Department, Metropolitan Polytechnic University of Puebla, Puebla, Puebla, Mexico
| | - Violeta Rangel-Galván
- Nursing and Physiotherapy Department, University of Professional Development, Tijuana, Baja California, Mexico
| | - Alejandro Rangel-Huerta
- Faculty of Computer Science, Meritorious Autonomous University of Puebla, Puebla, Puebla, Mexico
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Kei CY, Singh K, Dautov RF, Nguyen TH, Chirkov YY, Horowitz JD. Coronary "Microvascular Dysfunction": Evolving Understanding of Pathophysiology, Clinical Implications, and Potential Therapeutics. Int J Mol Sci 2023; 24:11287. [PMID: 37511046 PMCID: PMC10379859 DOI: 10.3390/ijms241411287] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/25/2023] [Accepted: 06/28/2023] [Indexed: 07/30/2023] Open
Abstract
Until recently, it has been generally held that stable angina pectoris (SAP) primarily reflects the presence of epicardial coronary artery stenoses due to atheromatous plaque(s), while acute myocardial infarction (AMI) results from thrombus formation on ruptured plaques. This concept is now challenged, especially by results of the ORBITA and ISCHEMIA trials, which showed that angioplasty/stenting does not substantially relieve SAP symptoms or prevent AMI or death in such patients. These disappointing outcomes serve to redirect attention towards anomalies of small coronary physiology. Recent studies suggest that coronary microvasculature is often both structurally and physiologically abnormal irrespective of the presence or absence of large coronary artery stenoses. Structural remodelling of the coronary microvasculature appears to be induced primarily by inflammation initiated by mast cell, platelet, and neutrophil activation, leading to erosion of the endothelial glycocalyx. This leads to the disruption of laminar flow and the facilitation of endothelial platelet interaction. Glycocalyx shedding has been implicated in the pathophysiology of coronary artery spasm, cardiovascular ageing, AMI, and viral vasculitis. Physiological dysfunction is closely linked to structural remodelling and occurs in most patients with myocardial ischemia, irrespective of the presence or absence of large-vessel stenoses. Dysfunction includes the impairment of platelet and vascular responsiveness to autocidal coronary vasodilators, such as nitric oxide, prostacyclin, and hydrogen sulphide, and predisposes both to coronary vasoconstriction and to a propensity for microthrombus formation. These findings emphasise the need for new directions in medical therapeutics for patients with SAP, as well as a wide range of other cardiovascular disorders.
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Affiliation(s)
- Chun Yeung Kei
- Department of Medicine, University of Adelaide, Adelaide 5371, Australia
| | - Kuljit Singh
- Department of Medicine, Griffith University, Southport 4111, Australia
- Gold Coast University Hospital, Gold Coast 4215, Australia
| | - Rustem F Dautov
- Department of Medicine, University of Queensland, Woolloongabba 4102, Australia
- Prince Charles Hospital, Brisbane 4032, Australia
| | - Thanh H Nguyen
- Department of Medicine, University of Adelaide, Adelaide 5371, Australia
- Northern Adelaide Local Health Network, Adelaide 5000, Australia
| | - Yuliy Y Chirkov
- Department of Medicine, University of Adelaide, Adelaide 5371, Australia
- Basil Hetzel Institute for Translational Research, Adelaide 5011, Australia
| | - John D Horowitz
- Department of Medicine, University of Adelaide, Adelaide 5371, Australia
- Basil Hetzel Institute for Translational Research, Adelaide 5011, Australia
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Kolluru GK, Shackelford RE, Shen X, Dominic P, Kevil CG. Sulfide regulation of cardiovascular function in health and disease. Nat Rev Cardiol 2023; 20:109-125. [PMID: 35931887 PMCID: PMC9362470 DOI: 10.1038/s41569-022-00741-6] [Citation(s) in RCA: 54] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/21/2022] [Indexed: 01/21/2023]
Abstract
Hydrogen sulfide (H2S) has emerged as a gaseous signalling molecule with crucial implications for cardiovascular health. H2S is involved in many biological functions, including interactions with nitric oxide, activation of molecular signalling cascades, post-translational modifications and redox regulation. Various preclinical and clinical studies have shown that H2S and its synthesizing enzymes - cystathionine γ-lyase, cystathionine β-synthase and 3-mercaptosulfotransferase - can protect against cardiovascular pathologies, including arrhythmias, atherosclerosis, heart failure, myocardial infarction and ischaemia-reperfusion injury. The bioavailability of H2S and its metabolites, such as hydropersulfides and polysulfides, is substantially reduced in cardiovascular disease and has been associated with single-nucleotide polymorphisms in H2S synthesis enzymes. In this Review, we highlight the role of H2S, its synthesizing enzymes and metabolites, their roles in the cardiovascular system, and their involvement in cardiovascular disease and associated pathologies. We also discuss the latest clinical findings from the field and outline areas for future study.
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Affiliation(s)
- Gopi K Kolluru
- Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
- Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Rodney E Shackelford
- Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Xinggui Shen
- Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
- Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Paari Dominic
- Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center, Shreveport, LA, USA
- Department of Medicine, Louisiana State University Health Sciences Center, Shreveport, LA, USA
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Christopher G Kevil
- Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA, USA.
- Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center, Shreveport, LA, USA.
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, Shreveport, LA, USA.
- Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA, USA.
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6
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Lobov GI. Contractile Function of the Capsule of the Bovine Mesenteric Lymph Nodes at the Early Stage of Inflammation. J EVOL BIOCHEM PHYS+ 2022. [DOI: 10.1134/s0022093022060370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Cirino G, Szabo C, Papapetropoulos A. Physiological roles of hydrogen sulfide in mammalian cells, tissues and organs. Physiol Rev 2022; 103:31-276. [DOI: 10.1152/physrev.00028.2021] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
H2S belongs to the class of molecules known as gasotransmitters, which also includes nitric oxide (NO) and carbon monoxide (CO). Three enzymes are recognized as endogenous sources of H2S in various cells and tissues: cystathionine g-lyase (CSE), cystathionine β-synthase (CBS) and 3-mercaptopyruvate sulfurtransferase (3-MST). The current article reviews the regulation of these enzymes as well as the pathways of their enzymatic and non-enzymatic degradation and elimination. The multiple interactions of H2S with other labile endogenous molecules (e.g. NO) and reactive oxygen species are also outlined. The various biological targets and signaling pathways are discussed, with special reference to H2S and oxidative posttranscriptional modification of proteins, the effect of H2S on channels and intracellular second messenger pathways, the regulation of gene transcription and translation and the regulation of cellular bioenergetics and metabolism. The pharmacological and molecular tools currently available to study H2S physiology are also reviewed, including their utility and limitations. In subsequent sections, the role of H2S in the regulation of various physiological and cellular functions is reviewed. The physiological role of H2S in various cell types and organ systems are overviewed. Finally, the role of H2S in the regulation of various organ functions is discussed as well as the characteristic bell-shaped biphasic effects of H2S. In addition, key pathophysiological aspects, debated areas, and future research and translational areas are identified A wide array of significant roles of H2S in the physiological regulation of all organ functions emerges from this review.
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Affiliation(s)
- Giuseppe Cirino
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, Switzerland
| | - Andreas Papapetropoulos
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece & Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, Greece
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Wen JY, Zhang J, Chen S, Chen Y, Zhang Y, Ma ZY, Zhang F, Xie WM, Fan YF, Duan JS, Chen ZW. Endothelium-derived hydrogen sulfide acts as a hyperpolarizing factor and exerts neuroprotective effects via activation of large-conductance Ca 2+ -activated K + channels. Br J Pharmacol 2021; 178:4155-4175. [PMID: 34216027 DOI: 10.1111/bph.15607] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/15/2021] [Accepted: 06/18/2021] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND AND PURPOSE Endothelium-derived hyperpolarizing factor (EDHF) has been suggested as a therapeutic target for vascular protection against ischaemic brain injury. However, the molecular entity of EDHF and its action on neurons remains unclear. This study was undertaken to demonstrate whether the hydrogen sulfide (H2 S) acts as EDHF and exerts neuroprotective effect via large-conductance Ca2+ -activated K+ (BKCa /KCa 1.1) channels. EXPERIMENTAL APPROACH The whole-cell patch-clamp technology was used to record the changes of BKCa currents in rat neurons induced by EDHF. The cerebral ischaemia/reperfusion model of mice and oxygen-glucose deprivation/reoxygenation (OGD/R) model of neurons were used to explore the neuroprotection of EDHF by activating BKCa channels in these neurons. KEY RESULTS Increases of BKCa currents and membrane hyperpolarization in hippocampal neurons induced by EDHF could be markedly inhibited by BKCa channel inhibitor iberiotoxin or endothelial H2 S synthase inhibitor propargylglycine. The H2 S donor, NaHS-induced BKCa current and membrane hyperpolarization in neurons were also inhibited by iberiotoxin, suggesting that H2 S acts as EDHF and activates the neuronal BKCa channels. Besides, we found that the protective effect of endothelium-derived H2 S against mice cerebral ischaemia/reperfusion injury was disrupted by iberiotoxin. Importantly, the inhibitory effect of NaHS or BKCa channel opener on OGD/R-induced neuron injury and the increment of intracellular Ca2+ level could be inhibited by iberiotoxin but enhanced by co-application with L-type but not T-type calcium channel inhibitor. CONCLUSION AND IMPLICATIONS Endothelium-derived H2 S acts as EDHF and exerts neuroprotective effects via activating the BKCa channels and then inhibiting the T-type calcium channels in hippocampal neurons.
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Affiliation(s)
- Ji-Yue Wen
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Jie Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Shuo Chen
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Ye Chen
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Yang Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Zi-Yao Ma
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Fang Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Wei-Ming Xie
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Yi-Fei Fan
- Department of Physiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Jing-Si Duan
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zhi-Wu Chen
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
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Ngowi EE, Afzal A, Sarfraz M, Khattak S, Zaman SU, Khan NH, Li T, Jiang QY, Zhang X, Duan SF, Ji XY, Wu DD. Role of hydrogen sulfide donors in cancer development and progression. Int J Biol Sci 2021; 17:73-88. [PMID: 33390834 PMCID: PMC7757040 DOI: 10.7150/ijbs.47850] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 10/22/2020] [Indexed: 02/07/2023] Open
Abstract
In recent years, a vast number of potential cancer therapeutic targets have emerged. However, developing efficient and effective drugs for the targets is of major concern. Hydrogen sulfide (H2S), one of the three known gasotransmitters, is involved in the regulation of various cellular activities such as autophagy, apoptosis, migration, and proliferation. Low production of H2S has been identified in numerous cancer types. Treating cancer cells with H2S donors is the common experimental technique used to improve H2S levels; however, the outcome depends on the concentration/dose, time, cell type, and sometimes the drug used. Both natural and synthesized donors are available for this purpose, although their effects vary independently ranging from strong cancer suppressors to promoters. Nonetheless, numerous signaling pathways have been reported to be altered following the treatments with H2S donors which suggest their potential in cancer treatment. This review will analyze the potential of H2S donors in cancer therapy by summarizing key cellular processes and mechanisms involved.
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Affiliation(s)
- Ebenezeri Erasto Ngowi
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- Department of Biological Sciences, Faculty of Science, Dar es Salaam University College of Education, Dar es Salaam 2329, Tanzania
- Kaifeng Municipal Key Laboratory of Cell Signal Transduction, Henan Provincial Engineering Centre for Tumor Molecular Medicine, Henan University, Kaifeng, Henan 475004, China
| | - Attia Afzal
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- Faculty of Pharmacy, The University of Lahore, Lahore, Punjab 56400, Pakistan
| | - Muhammad Sarfraz
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- Kaifeng Municipal Key Laboratory of Cell Signal Transduction, Henan Provincial Engineering Centre for Tumor Molecular Medicine, Henan University, Kaifeng, Henan 475004, China
- Faculty of Pharmacy, The University of Lahore, Lahore, Punjab 56400, Pakistan
| | - Saadullah Khattak
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- School of Life Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Shams Uz Zaman
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- School of Life Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Nazeer Hussain Khan
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- School of Life Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Tao Li
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Qi-Ying Jiang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Xin Zhang
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Shao-Feng Duan
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Xin-Ying Ji
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- Kaifeng Key Laboratory of Infection and Biological Safety, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Dong-Dong Wu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- School of Stomatology, Henan University, Kaifeng, Henan 475004, China
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Tao BB, Zhu YC. A Common Molecular Switch for H 2S to Regulate Multiple Protein Targets. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1315:1-16. [PMID: 34302686 DOI: 10.1007/978-981-16-0991-6_1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Hydrogen sulfide, a small molecule, produced by endogenous enzymes, such as CTH, CBS, and MPST using L-cysteine as substrates, has been reported to have numerous protective effects. However, the key problem that the target of H2S and how it can affect the structure and activity of biological molecules is still unknown. Till now, there are two main theories of its working mechanism. One is that H2S can modify the free thiol in cysteine to produce the persulfide state of the thiol and the sulfhydration of cysteine can significantly change the structure and activity of target proteins. The other theory is that H2S, as an antioxidant molecule, can directly break the disulfide bond in target proteins, and the persulfide state of thiol can be an intermediate product during the reaction. Both phenomena exit for no doubt since they are both supported by large amounts of experiments. Here, we will summarize both theories and try to discuss which one is the more effective or direct mechanism for H2S and what is the relationship between them. Therefore, we will discover more protein targets of H2S with the mechanism and understand more about the effect of this small molecule.
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Affiliation(s)
- Bei-Bei Tao
- Shanghai Key Laboratory of Bioactive Small Molecules and Shanghai Key Laboratory of Clinical Geriatric Medicine, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yi-Chun Zhu
- Shanghai Key Laboratory of Bioactive Small Molecules and Shanghai Key Laboratory of Clinical Geriatric Medicine, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China.
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Faris P, Ferulli F, Vismara M, Tanzi M, Negri S, Rumolo A, Lefkimmiatis K, Maestri M, Shekha M, Pedrazzoli P, Guidetti GF, Montagna D, Moccia F. Hydrogen Sulfide-Evoked Intracellular Ca 2+ Signals in Primary Cultures of Metastatic Colorectal Cancer Cells. Cancers (Basel) 2020; 12:cancers12113338. [PMID: 33187307 PMCID: PMC7696676 DOI: 10.3390/cancers12113338] [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: 09/10/2020] [Revised: 11/05/2020] [Accepted: 11/06/2020] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Colorectal cancer (CRC) is the most common type of gastrointestinal cancer and the third most predominant cancer in the world. CRC is potentially curable with surgical resection of the primary tumor. The clinical problem of colorectal cancer, however, is the spread and outgrowth of metastases, which are difficult to eradicate and lead to a patient’s death. The failure of conventional treatment to significantly improved outcomes in mCRC has prompted the search for alternative molecular targets with the goal of ameliorating the prognosis of these patients. The present investigation revealed that exogenous delivery of hydrogen sulfide (H2S) suppresses proliferation in metastatic colorectal cancer cells by inducing an increase in intracellular Ca2+ concentration. H2S was effective on metastatic, but not normal, cells. Therefore, we propose that exogenous administration of H2S to patients affected by metastatic colorectal carcinoma could represent a promising therapeutic alternative. Abstract Exogenous administration of hydrogen sulfide (H2S) is emerging as an alternative anticancer treatment. H2S-releasing compounds have been shown to exert a strong anticancer effect by suppressing proliferation and/or inducing apoptosis in several cancer cell types, including colorectal carcinoma (CRC). The mechanism whereby exogenous H2S affects CRC cell proliferation is yet to be clearly elucidated, but it could involve an increase in intracellular Ca2+ concentration ([Ca2+]i). Herein, we sought to assess for the first time whether (and how) sodium hydrosulfide (NaHS), one of the most widely employed H2S donors, induced intracellular Ca2+ signals in primary cultures of human metastatic CRC (mCRC) cells. We provided the evidence that NaHS induced extracellular Ca2+ entry in mCRC cells by activating the Ca2+-permeable channel Transient Receptor Potential Vanilloid 1 (TRPV1) followed by the Na+-dependent recruitment of the reverse-mode of the Na+/Ca2+ (NCX) exchanger. In agreement with these observations, TRPV1 protein was expressed and capsaicin, a selective TRPV1 agonist, induced Ca2+ influx by engaging both TRPV1 and NCX in mCRC cells. Finally, NaHS reduced mCRC cell proliferation, but did not promote apoptosis or aberrant mitochondrial depolarization. These data support the notion that exogenous administration of H2S may prevent mCRC cell proliferation through an increase in [Ca2+]i, which is triggered by TRPV1.
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Affiliation(s)
- Pawan Faris
- Laboratory of General Physiology, Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, 27100 Pavia, Italy; (P.F.); (S.N.)
- Department of Biology, Cihan University-Erbil, 44001 Erbil, Iraq
| | - Federica Ferulli
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, 27100 Pavia, Italy; (F.F.); (M.T.); (A.R.)
| | - Mauro Vismara
- Laboratory of Biochemistry, Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, 27100 Pavia, Italy; (M.V.); (G.F.G.)
| | - Matteo Tanzi
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, 27100 Pavia, Italy; (F.F.); (M.T.); (A.R.)
| | - Sharon Negri
- Laboratory of General Physiology, Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, 27100 Pavia, Italy; (P.F.); (S.N.)
| | - Agnese Rumolo
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, 27100 Pavia, Italy; (F.F.); (M.T.); (A.R.)
| | - Kostantinos Lefkimmiatis
- Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy;
- Veneto Institute of Molecular Medicine, Foundation for Advanced Biomedical Research, 35131 Padua, Italy
| | - Marcello Maestri
- Medical Surgery, Foundation IRCCS Policlinico San Matteo, 27100 Pavia, Italy;
| | - Mudhir Shekha
- Faculty of Science, Department of Medical Analysis, Tishk International University-Erbil, 44001 Erbil, Iraq;
| | - Paolo Pedrazzoli
- Medical Oncology, Foundation IRCCS Policlinico San Matteo, 27100 Pavia, Italy;
| | - Gianni Francesco Guidetti
- Laboratory of Biochemistry, Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, 27100 Pavia, Italy; (M.V.); (G.F.G.)
| | - Daniela Montagna
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, 27100 Pavia, Italy; (F.F.); (M.T.); (A.R.)
- Diagnostic and Pediatric, Department of Sciences Clinic-Surgical, University of Pavia, 27100 Pavia, Italy
- Correspondence: (D.M.); (F.M.); Tel.: +39-382-987-619 (F.M.)
| | - Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, 27100 Pavia, Italy; (P.F.); (S.N.)
- Correspondence: (D.M.); (F.M.); Tel.: +39-382-987-619 (F.M.)
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12
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Huang D, Shi S, Liang C, Zhang X, Du X, An H, Peers C, Zhang H, Gamper N. Delineating an extracellular redox-sensitive module in T-type Ca 2+ channels. J Biol Chem 2020; 295:6177-6186. [PMID: 32188693 PMCID: PMC7196644 DOI: 10.1074/jbc.ra120.012668] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/17/2020] [Indexed: 01/04/2023] Open
Abstract
T-type (Cav3) Ca2+ channels are important regulators of excitability and rhythmic activity of excitable cells. Among other voltage-gated Ca2+ channels, Cav3 channels are uniquely sensitive to oxidation and zinc. Using recombinant protein expression in HEK293 cells, patch clamp electrophysiology, site-directed mutagenesis, and homology modeling, we report here that modulation of Cav3.2 by redox agents and zinc is mediated by a unique extracellular module containing a high-affinity metal-binding site formed by the extracellular IS1–IS2 and IS3–IS4 loops of domain I and a cluster of extracellular cysteines in the IS1–IS2 loop. Patch clamp recording of recombinant Cav3.2 currents revealed that two cysteine-modifying agents, sodium (2-sulfonatoethyl) methanethiosulfonate (MTSES) and N-ethylmaleimide, as well as a reactive oxygen species–producing neuropeptide, substance P (SP), inhibit Cav3.2 current to similar degrees and that this inhibition is reversed by a reducing agent and a zinc chelator. Pre-application of MTSES prevented further SP-mediated current inhibition. Substitution of the zinc-binding residue His191 in Cav3.2 reduced the channel's sensitivity to MTSES, and introduction of the corresponding histidine into Cav3.1 sensitized it to MTSES. Removal of extracellular cysteines from the IS1–IS2 loop of Cav3.2 reduced its sensitivity to MTSES and SP. We hypothesize that oxidative modification of IS1–IS2 loop cysteines induces allosteric changes in the zinc-binding site of Cav3.2 so that it becomes sensitive to ambient zinc.
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Affiliation(s)
- Dongyang Huang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang 050000, China; Institute of Chinese Integrative Medicine, Hebei Medical University, Shijiazhuang 050000, China
| | - Sai Shi
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, China; Key Laboratory of Molecular Biophysics, Hebei Province, Institute of Biophysics, School of Science, Hebei University of Technology, Tianjin 300401, China
| | - Ce Liang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang 050000, China
| | - Xiaoyu Zhang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang 050000, China
| | - Xiaona Du
- Department of Pharmacology, Hebei Medical University, Shijiazhuang 050000, China
| | - Hailong An
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, China; Key Laboratory of Molecular Biophysics, Hebei Province, Institute of Biophysics, School of Science, Hebei University of Technology, Tianjin 300401, China
| | - Chris Peers
- Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, United Kingdom
| | - Hailin Zhang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang 050000, China.
| | - Nikita Gamper
- Department of Pharmacology, Hebei Medical University, Shijiazhuang 050000, China; Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, United Kingdom.
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Papu John AS, Kundu S, Pushpakumar S, Amin M, Tyagi SC, Sen U. Hydrogen sulfide inhibits Ca 2+-induced mitochondrial permeability transition pore opening in type-1 diabetes. Am J Physiol Endocrinol Metab 2019; 317:E269-E283. [PMID: 31039005 PMCID: PMC6732471 DOI: 10.1152/ajpendo.00251.2018] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 04/26/2019] [Accepted: 04/29/2019] [Indexed: 12/29/2022]
Abstract
Hydrogen sulfide (H2S) attenuates N-methyl-d-aspartate receptor-R1 (NMDA-R1) and mitigates diabetic renal damage; however, the molecular mechanism is not well known. Whereas NMDA-R1 facilitates Ca2+ permeability, H2S is known to inhibit L-type Ca2+ channel. High Ca2+ activates cyclophilin D (CypD), a gatekeeper protein of mitochondrial permeability transition pore (MPTP), thus facilitating molecular exchange between matrix and cytoplasm causing oxidative outburst and cell death. We tested the hypothesis of whether NMDA-R1 mediates Ca2+ influx causing CypD activation and MPTP opening leading to oxidative stress and renal injury in diabetes. We also tested whether H2S treatment blocks Ca2+ channel and thus inhibits CypD and MPTP opening to prevent renal damage. C57BL/6J and Akita (C57BL/6J-Ins2Akita) mice were treated without or with H2S donor GYY4137 (0.25 mg·kg-1·day-1 ip) for 8 wk. In vitro studies were performed using mouse glomerular endothelial cells. Results indicated that low levels of H2S and increased expression of NMDA-R1 in diabetes induced Ca2+ permeability, which was ameliorated by H2S treatment. We observed cytosolic Ca2+ influx in hyperglycemic (HG) condition along with mitochondrial-CypD activation, increased MPTP opening, and oxidative outburst, which were mitigated with H2S treatment. Renal injury biomarker KIM-1 was upregulated in HG conditions and normalized following H2S treatment. Inhibition of NMDA-R1 by pharmacological blocker MK-801 revealed similar results. We conclude that NMDA-R1-mediated Ca2+ influx in diabetes induces MPTP opening via CypD activation leading to increased oxidative stress and renal injury, and H2S protects diabetic kidney from injury by blocking mitochondrial Ca2+ permeability through NMDA-R1 pathway.
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Affiliation(s)
- A Sashi Papu John
- Department of Physiology, University of Louisville School of Medicine , Louisville, Kentucky
| | - Sourav Kundu
- Department of Physiology, University of Louisville School of Medicine , Louisville, Kentucky
| | - Sathnur Pushpakumar
- Department of Physiology, University of Louisville School of Medicine , Louisville, Kentucky
| | - Matthew Amin
- Department of Physiology, University of Louisville School of Medicine , Louisville, Kentucky
| | - Suresh C Tyagi
- Department of Physiology, University of Louisville School of Medicine , Louisville, Kentucky
| | - Utpal Sen
- Department of Physiology, University of Louisville School of Medicine , Louisville, Kentucky
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14
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Matsui K, Tsubota M, Fukushi S, Koike N, Masuda H, Kasanami Y, Miyazaki T, Sekiguchi F, Ohkubo T, Yoshida S, Mukai Y, Oita A, Takada M, Kawabata A. Genetic deletion of Ca v3.2 T-type calcium channels abolishes H 2S-dependent somatic and visceral pain signaling in C57BL/6 mice. J Pharmacol Sci 2019; 140:310-312. [PMID: 31492577 DOI: 10.1016/j.jphs.2019.07.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 07/12/2019] [Accepted: 07/22/2019] [Indexed: 10/26/2022] Open
Abstract
We tested whether genetic deletion of Cav3.2 T-type Ca2+ channels abolishes hydrogen sulfide (H2S)-mediated pain signals in mice. In Cav3.2-expressing HEK293 cells, Na2S, an H2S donor, at 100 μM clearly increased Ba2+ currents, as assessed by whole-cell patch-clamp recordings. In wild-type C57BL/6 mice, intraplantar and intracolonic administration of Na2S evoked mechanical allodynia and visceral nociceptive behavior, respectively, which were abolished by TTA-A2, a T-type Ca2+ channel blocker. In Cav3.2-knockout mice of a C57BL/6 background, Na2S caused neither somatic allodynia nor colonic nociception. Our study thus provides definitive evidence for an essential role of Cav3.2 in H2S-dependent somatic and colonic pain.
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Affiliation(s)
- Kazuki Matsui
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan; Department of Pharmacy, National Cerebral and Cardiovascular Center, Suita, 565-8565, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Saaya Fukushi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Nene Koike
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Hiroshi Masuda
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Yoshihito Kasanami
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Takaya Miyazaki
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Tsuyako Ohkubo
- Division of Basic Medical Sciences and Fundamental Nursing, Faculty of Nursing, Fukuoka Nursing College, Fukuoka, 814-0193, Japan
| | - Shigeru Yoshida
- Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Yutaro Mukai
- Department of Pharmacy, National Cerebral and Cardiovascular Center, Suita, 565-8565, Japan
| | - Akira Oita
- Department of Pharmacy, National Cerebral and Cardiovascular Center, Suita, 565-8565, Japan
| | - Mitsutaka Takada
- Division of Clinical Drug Informatics, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan.
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15
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Hydrogen sulphide facilitates exocytosis by regulating the handling of intracellular calcium by chromaffin cells. Pflugers Arch 2018; 470:1255-1270. [DOI: 10.1007/s00424-018-2147-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 04/10/2018] [Accepted: 04/17/2018] [Indexed: 01/09/2023]
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16
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Sun Y, Huang Y, Yu W, Chen S, Yao Q, Zhang C, Bu D, Tang C, Du J, Jin H. Sulfhydration-associated phosphodiesterase 5A dimerization mediates vasorelaxant effect of hydrogen sulfide. Oncotarget 2018; 8:31888-31900. [PMID: 28404873 PMCID: PMC5458256 DOI: 10.18632/oncotarget.16649] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Accepted: 03/16/2017] [Indexed: 12/23/2022] Open
Abstract
The study was designed to examine if the vasorelaxant effect of hydrogen sulfide was mediated by sulfhydration-associated phosphodiesterase (PDE) 5A dimerization. The thoracic aorta of rat was separated and the vasorelaxant effects were examined with in vitro vascular perfusion experiments. The dimerization and sulfhydration of PDE 5A and soluble guanylatecyclase (sGC) were measured. PDE 5A and protein kinase G (PKG) activities were tested. Intracellular cGMP content was detected by enzyme-linked immunosorbent assay (ELISA). The results showed that NaHS relaxed isolated rat vessel rings at an EC50 of (1.79 ± 0.31)×10-5mol/L, associated with significantly increased PKG activity and cGMP content in vascular tissues. Sulfhydration of sGC β1 was increased, while the levels of sGC αβ1 dimers were apparently decreased after incubation with NaHS in vascular tissues. Moreover, PDE 5A homodimers were markedly decreased, and accordingly the PDE 5A activity demonstrated by the content of 5'-GMP was significantly decreased after incubation with NaHS or GYY4137. Mechanistically, both NaHS and GYY4137 significantly enhanced the PDE 5A sulfhydration in vascular tissues. DTT partially abolished the effects of NaHS on PDE 5A activity, cGMP content and vasorelaxation. Therefore, the present study for the first time suggested that H2S exerted vasorelaxant effect probably via sulfhydration-associated PDE 5A dimerization.
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Affiliation(s)
- Yan Sun
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
| | - Yaqian Huang
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
| | - Wen Yu
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
| | - Siyao Chen
- Department of Cardiac Surgery, Guangdong General Hospital, Guangzhou, 510000, China
| | - Qiuyu Yao
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
| | - Chunyu Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
| | - Dingfang Bu
- Centre Laboratory of Peking University First Hospital, Beijing, 100034, China
| | - Chaoshu Tang
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, 100034, China
| | - Junbao Du
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China.,Key Laboratory of Cardiovascular Sciences, Ministry of Education, Beijing, 100034, China
| | - Hongfang Jin
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
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17
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Lee SR, Nilius B, Han J. Gaseous Signaling Molecules in Cardiovascular Function: From Mechanisms to Clinical Translation. Rev Physiol Biochem Pharmacol 2018; 174:81-156. [PMID: 29372329 DOI: 10.1007/112_2017_7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Carbon monoxide (CO), hydrogen sulfide (H2S), and nitric oxide (NO) constitute endogenous gaseous molecules produced by specific enzymes. These gases are chemically simple, but exert multiple effects and act through shared molecular targets to control both physiology and pathophysiology in the cardiovascular system (CVS). The gases act via direct and/or indirect interactions with each other in proteins such as heme-containing enzymes, the mitochondrial respiratory complex, and ion channels, among others. Studies of the major impacts of CO, H2S, and NO on the CVS have revealed their involvement in controlling blood pressure and in reducing cardiac reperfusion injuries, although their functional roles are not limited to these conditions. In this review, the basic aspects of CO, H2S, and NO, including their production and effects on enzymes, mitochondrial respiration and biogenesis, and ion channels are briefly addressed to provide insight into their biology with respect to the CVS. Finally, potential therapeutic applications of CO, H2S, and NO with the CVS are addressed, based on the use of exogenous donors and different types of delivery systems.
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Affiliation(s)
- Sung Ryul Lee
- Department of Convergence Biomedical Science, Cardiovascular and Metabolic Disease Center, College of Medicine, Inje University, Busan, Republic of Korea
| | - Bernd Nilius
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Jin Han
- National Research Laboratory for Mitochondrial Signaling, Department of Physiology, Department of Health Sciences and Technology, BK21 Plus Project Team, Cardiovascular and Metabolic Disease Center, Inje University, Busan, Republic of Korea.
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18
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Lacinová Ľ. Regulation of the Ca V3.2 calcium channels in health and disease Regulácia Ca V3.2 vápnikových kanálov v zdraví a chorobe. EUROPEAN PHARMACEUTICAL JOURNAL 2017. [DOI: 10.1515/afpuc-2017-0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Family of T-type or low-voltage activated calcium channels consists of three members: CaV3.1, CaV3.2, and CaV3.3. CaV3.2 channel has almost identical biophysical properties as the CaV3.1 channel, but is distinguished by a specific tissue expression profile and a prominent role in several pathologies, including neuropathic pain, epilepsy, and dysregulation of cardiac rhythm. Further, it may be involved in phenotype of autism spectrum disorders, and amyotrophic lateral sclerosis. It represents a promising target for future pharmacotherapies.
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Affiliation(s)
- Ľ. Lacinová
- Slovenská akadémia vied, Biomedicínske centrum SAV, Bratislava , Slovakia
- Univerzita sv. Cyrila a Metoda v Trnave, Fakulta prírodných vied, Trnava , Slovakia
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19
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Analgesic effect of dimethyl trisulfide in mice is mediated by TRPA1 and sst 4 receptors. Nitric Oxide 2017; 65:10-21. [PMID: 28137611 DOI: 10.1016/j.niox.2017.01.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Revised: 01/25/2017] [Accepted: 01/25/2017] [Indexed: 12/16/2022]
Abstract
TRPA1 receptors are calcium-permeable ligand-gated channels expressed in primary sensory neurons and involved in inflammation and pain. Activation of these neurons might have analgesic effect. Suggested mechanism of analgesic effect mediated by TRPA1 activation is the release of somatostatin (SOM) and its action on sst4 receptors. In the present study analgesic effect of TRPA1 activation on primary sensory neurons by organic trisulfide compound dimethyl trisulfide (DMTS) presumably leading to SOM release was investigated. Opening of TRPA1 by DMTS in CHO cells was examined by patch-clamp and fluorescent Ca2+ detection. Ca2+ influx upon DMTS administration in trigeminal ganglion (TRG) neurons of TRPA1 receptor wild-type (WT) and knockout (KO) mice was detected by ratiometric Ca2+ imaging. SOM release from sensory nerves of murine skin was assessed by radioimmunoassay. Analgesic effect of DMTS in mild heat injury-induced mechanical hyperalgesia was examined by dynamic plantar aesthesiometry. Regulatory role of DMTS on deep body temperature (Tb) was measured by thermocouple thermometry with respirometry and by telemetric thermometry. DMTS produced TRPA1-mediated currents and elevated [Ca2+]i in CHO cells. Similar data were obtained in TRG neurons. DMTS released SOM from murine sensory neurons TRPA1-dependently. DMTS exerted analgesic effect mediated by TRPA1 and sst4 receptors. DMTS-evoked hypothermia and hypokinesis were attenuated in freely-moving TRPA1 KO animals. Our study has presented original evidence regarding analgesic action of DMTS which might be due to TRPA1-mediated SOM release from sensory neurons and activation of sst4 receptors. DMTS could be a novel analgesic drug candidate.
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Rodrigues L, Ekundi-Valentim E, Florenzano J, Cerqueira ARA, Soares AG, Schmidt TP, Santos KT, Teixeira SA, Ribela MTCP, Rodrigues SF, de Carvalho MH, De Nucci G, Wood M, Whiteman M, Muscará MN, Costa SKP. Protective effects of exogenous and endogenous hydrogen sulfide in mast cell-mediated pruritus and cutaneous acute inflammation in mice. Pharmacol Res 2016; 115:255-266. [PMID: 27840098 DOI: 10.1016/j.phrs.2016.11.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 10/20/2016] [Accepted: 11/09/2016] [Indexed: 12/24/2022]
Abstract
The recently described 'gasomediator' hydrogen sulfide (H2S) has been involved in pain mechanisms, but its effect on pruritus, a sensory modality that similarly to pain acts as a protective mechanism, is poorly known and controversial. The effects of the slow-releasing (GYY4137) and spontaneous H2S donors (Na2S and Lawesson's reagent, LR) were evaluated in histamine and compound 48/80 (C48/80)-dependent dorsal skin pruritus and inflammation in male BALB/c mice. Animals were intradermally (i.d.) injected with C48/80 (3μg/site) or histamine (1μmol/site) alone or co-injected with Na2S, LR or GYY4137 (within the 0.3-100nmol range). The involvement of endogenous H2S and KATP channel-dependent mechanism were also evaluated. Pruritus was assessed by the number of scratching bouts, whilst skin inflammation was evaluated by the extravascular accumulation of intravenously injected 125I-albumin (plasma extravasation) and myeloperoxidase (MPO) activity (neutrophil recruitment). Histamine or C48/80 significantly evoked itching behavior paralleled by plasma extravasation and increased MPO activity. Na2S and LR significantly ameliorated histamine or C48/80-induced pruritus and inflammation, although these effects were less pronounced or absent with GYY4137. Inhibition of endogenous H2S synthesis increased both Tyrode and C48/80-induced responses in the skin, whereas the blockade of KATP channels by glibenclamide did not. H2S-releasing donors significantly attenuate C48/80-induced mast cell degranulation either in vivo or in vitro. We provide first evidences that H2S donors confer protective effect against histamine-mediated acute pruritus and cutaneous inflammation. These effects can be mediated, at least in part, by stabilizing mast cells, known to contain multiple mediators and to be primary initiators of allergic processes, thus making of H2S donors a potential alternative/complementary therapy for treating inflammatory allergic skin diseases and related pruritus.
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Affiliation(s)
- L Rodrigues
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - E Ekundi-Valentim
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - J Florenzano
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - A R A Cerqueira
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - A G Soares
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - T P Schmidt
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - K T Santos
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - S A Teixeira
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - M T C P Ribela
- Department of Biotechnology, Institute of Nuclear and Energetic Research (IPEN), Sao Paulo, Brazil
| | - S F Rodrigues
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - M H de Carvalho
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - G De Nucci
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - M Wood
- University of Exeter Medical School, Exeter, UK
| | - M Whiteman
- University of Exeter Medical School, Exeter, UK
| | - M N Muscará
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - S K P Costa
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil.
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21
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Taylor CE. A novel treatment for "morning sickness": Nausea of pregnancy could be induced by excess sulfite which molybdenum can help alleviate. Med Hypotheses 2016; 95:31-33. [PMID: 27692161 DOI: 10.1016/j.mehy.2016.08.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 08/13/2016] [Indexed: 12/28/2022]
Abstract
Nausea and vomiting of pregnancy (NVP) remains difficult to treat. Last century, thalidomide was used to alleviate NVP, but it caused teratogenesis by interfering with angiogenesis. The gasotransmitters hydrogen sulfide (H2S) and nitric oxide are mutually dependent on each other for their angiogenesis-related functions. Pregnancy-related requirements for increased endogenous H2S could create a temporary excess of sulfite, an H2S catabolite, which is toxic and can induce nausea. Sulfite oxidase, a molybdenum-containing enzyme, catalyzes oxidation of sulfite to sulfate, which can then be excreted or reused by the body. Supplementation with molybdenum should facilitate enhanced sulfite oxidase activity, thus lowering gestationally-elevated sulfite levels in the gastrointestinal tract and easing NVP.
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22
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Huang D, Huang S, Gao H, Liu Y, Qi J, Chen P, Wang C, Scragg JL, Vakurov A, Peers C, Du X, Zhang H, Gamper N. Redox-Dependent Modulation of T-Type Ca(2+) Channels in Sensory Neurons Contributes to Acute Anti-Nociceptive Effect of Substance P. Antioxid Redox Signal 2016; 25:233-51. [PMID: 27306612 PMCID: PMC4971421 DOI: 10.1089/ars.2015.6560] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 05/26/2016] [Accepted: 06/14/2016] [Indexed: 02/05/2023]
Abstract
AIMS Neuropeptide substance P (SP) is produced and released by a subset of peripheral sensory neurons that respond to tissue damage (nociceptors). SP exerts excitatory effects in the central nervous system, but peripheral SP actions are still poorly understood; therefore, here, we aimed at investigating these peripheral mechanisms. RESULTS SP acutely inhibited T-type voltage-gated Ca(2+) channels in nociceptors. The effect was mediated by neurokinin 1 (NK1) receptor-induced stimulation of intracellular release of reactive oxygen species (ROS), as it can be prevented or reversed by the reducing agent dithiothreitol and mimicked by exogenous or endogenous ROS. This redox-mediated T-type Ca(2+) channel inhibition operated through the modulation of CaV3.2 channel sensitivity to ambient zinc, as it can be prevented or reversed by zinc chelation and mimicked by exogenous zinc. Elimination of the zinc-binding site in CaV3.2 rendered the channel insensitive to SP-mediated inhibition. Importantly, peripherally applied SP significantly reduced bradykinin-induced nociception in rats in vivo; knock-down of CaV3.2 significantly reduced this anti-nociceptive effect. This atypical signaling cascade shared the initial steps with the SP-mediated augmentation of M-type K(+) channels described earlier. INNOVATION Our study established a mechanism underlying the peripheral anti-nociceptive effect of SP whereby this neuropeptide produces ROS-dependent inhibition of pro-algesic T-type Ca(2+) current and concurrent enhancement of anti-algesic M-type K(+) current. These findings will lead to a better understanding of mechanisms of endogenous analgesia. CONCLUSION SP modulates T-type channel activity in nociceptors by a redox-dependent tuning of channel sensitivity to zinc; this novel modulatory pathway contributes to the peripheral anti-nociceptive effect of SP. Antioxid. Redox Signal. 25, 233-251.
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Affiliation(s)
- Dongyang Huang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
| | - Sha Huang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
| | - Haixia Gao
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, United Kingdom
| | - Yani Liu
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
| | - Jinlong Qi
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
| | - Pingping Chen
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
| | - Caixue Wang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
| | - Jason L. Scragg
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), Faculty of Medicine and Health, University of Leeds, Leeds, United Kingdom
| | - Alexander Vakurov
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, United Kingdom
| | - Chris Peers
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), Faculty of Medicine and Health, University of Leeds, Leeds, United Kingdom
| | - Xiaona Du
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
| | - Hailin Zhang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
| | - Nikita Gamper
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, P.R. China
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, United Kingdom
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Dallas ML. Gaseous regulation of Ca(2+) homeostasis; for better or worse? J Physiol 2016; 594:4117-8. [PMID: 27477607 DOI: 10.1113/jp272693] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Affiliation(s)
- Mark L Dallas
- School of Pharmacy, University of Reading, Reading, RG6 6UB, UK.
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H2S-induced thiol-based redox switches: Biochemistry and functional relevance for inflammatory diseases. Pharmacol Res 2016; 111:642-651. [PMID: 27468648 DOI: 10.1016/j.phrs.2016.07.026] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 07/19/2016] [Accepted: 07/22/2016] [Indexed: 02/08/2023]
Abstract
During the last decades, small inorganic molecules like reactive oxygen species (ROS), nitric oxide (NO), carbon monoxide (CO) and even the highly toxic hydrogen sulfide (H2S) have been evolved as important signaling molecules that trigger crucial cellular processes by regulating the activity of kinases, phosphatases and transcription factors. These redox molecules use similar target structures and therefore, the composition of the complex "redox environment" determines the final outcome of signaling processes and may subsequently also affect the behavior of a cell in an inflammatory environment. Here, we discuss the role of H2S in this complex interplay with a focus on the transcription factors Nrf2 and NFκB.
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Voisin T, Bourinet E, Lory P. Genetic alteration of the metal/redox modulation of Cav3.2 T-type calcium channel reveals its role in neuronal excitability. J Physiol 2016; 594:3561-74. [PMID: 26931411 DOI: 10.1113/jp271925] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 02/29/2016] [Indexed: 02/06/2023] Open
Abstract
KEY POINTS In this study, we describe a new knock-in (KI) mouse model that allows the study of the H191-dependent regulation of T-type Cav3.2 channels. Sensitivity to zinc, nickel and ascorbate of native Cav3.2 channels is significantly impeded in the dorsal root ganglion (DRG) neurons of this KI mouse. Importantly, we describe that this H191-dependent regulation has discrete but significant effects on the excitability properties of D-hair (down-hair) cells, a sub-population of DRG neurons in which Cav3.2 currents prominently regulate excitability. Overall, this study reveals that the native H191-dependent regulation of Cav3.2 channels plays a role in the excitability of Cav3.2-expressing neurons. This animal model will be valuable in addressing the potential in vivo roles of the trace metal and redox modulation of Cav3.2 T-type channels in a wide range of physiological and pathological conditions. ABSTRACT Cav3.2 channels are T-type voltage-gated calcium channels that play important roles in controlling neuronal excitability, particularly in dorsal root ganglion (DRG) neurons where they are involved in touch and pain signalling. Cav3.2 channels are modulated by low concentrations of metal ions (nickel, zinc) and redox agents, which involves the histidine 191 (H191) in the channel's extracellular IS3-IS4 loop. It is hypothesized that this metal/redox modulation would contribute to the tuning of the excitability properties of DRG neurons. However, the precise role of this H191-dependent modulation of Cav3.2 channel remains unresolved. Towards this goal, we have generated a knock-in (KI) mouse carrying the mutation H191Q in the Cav3.2 protein. Electrophysiological studies were performed on a subpopulation of DRG neurons, the D-hair cells, which express large Cav3.2 currents. We describe an impaired sensitivity to zinc, nickel and ascorbate of the T-type current in D-hair neurons from KI mice. Analysis of the action potential and low-threshold calcium spike (LTCS) properties revealed that, contrary to that observed in WT D-hair neurons, a low concentration of zinc and nickel is unable to modulate (1) the rheobase threshold current, (2) the afterdepolarization amplitude, (3) the threshold potential necessary to trigger an LTCS or (4) the LTCS amplitude in D-hair neurons from KI mice. Together, our data demonstrate that this H191-dependent metal/redox regulation of Cav3.2 channels can tune neuronal excitability. This study validates the use of this Cav3.2-H191Q mouse model for further investigations of the physiological roles thought to rely on this Cav3.2 modulation.
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Affiliation(s)
- Tiphaine Voisin
- Centre National pour la Recherche Scientifique UMR 5203, Département de Physiologie, Institut de Génomique Fonctionnelle, Université de Montpellier, Montpellier, F-34094, France.,Institut National de la Santé et de la Recherche Médicale, U 1191, Montpellier, F-34094, France.,LabEx 'Ion Channel Science and Therapeutics', Montpellier, F-34094, France
| | - Emmanuel Bourinet
- Centre National pour la Recherche Scientifique UMR 5203, Département de Physiologie, Institut de Génomique Fonctionnelle, Université de Montpellier, Montpellier, F-34094, France.,Institut National de la Santé et de la Recherche Médicale, U 1191, Montpellier, F-34094, France.,LabEx 'Ion Channel Science and Therapeutics', Montpellier, F-34094, France
| | - Philippe Lory
- Centre National pour la Recherche Scientifique UMR 5203, Département de Physiologie, Institut de Génomique Fonctionnelle, Université de Montpellier, Montpellier, F-34094, France.,Institut National de la Santé et de la Recherche Médicale, U 1191, Montpellier, F-34094, France.,LabEx 'Ion Channel Science and Therapeutics', Montpellier, F-34094, France
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26
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Gui Y, Li A, Qiu B, Chen F, Chen L, Liu D, Chen S, Zhou W, Zhou H. Endogenous CBS–H2S Pathway Contributes to the Development of CCI-Induced Neuropathic Pain. Neurochem Res 2016; 41:1381-9. [DOI: 10.1007/s11064-016-1842-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 01/11/2016] [Accepted: 01/20/2016] [Indexed: 01/26/2023]
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Elies J, Scragg JL, Boyle JP, Gamper N, Peers C. Regulation of the T-type Ca(2+) channel Cav3.2 by hydrogen sulfide: emerging controversies concerning the role of H2 S in nociception. J Physiol 2016; 594:4119-29. [PMID: 26804000 DOI: 10.1113/jp270963] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Accepted: 12/26/2015] [Indexed: 12/22/2022] Open
Abstract
Ion channels represent a large and growing family of target proteins regulated by gasotransmitters such as nitric oxide, carbon monoxide and, as described more recently, hydrogen sulfide. Indeed, many of the biological actions of these gases can be accounted for by their ability to modulate ion channel activity. Here, we report recent evidence that H2 S is a modulator of low voltage-activated T-type Ca(2+) channels, and discriminates between the different subtypes of T-type Ca(2+) channel in that it selectively modulates Cav3.2, whilst Cav3.1 and Cav3.3 are unaffected. At high concentrations, H2 S augments Cav3.2 currents, an observation which has led to the suggestion that H2 S exerts its pro-nociceptive effects via this channel, since Cav3.2 plays a central role in sensory nerve excitability. However, at more physiological concentrations, H2 S is seen to inhibit Cav3.2. This inhibitory action requires the presence of the redox-sensitive, extracellular region of the channel which is responsible for tonic metal ion binding and which particularly distinguishes this channel isoform from Cav3.1 and 3.3. Further studies indicate that H2 S may act in a novel manner to alter channel activity by potentiating the zinc sensitivity/affinity of this binding site. This review discusses the different reports of H2 S modulation of T-type Ca(2+) channels, and how such varying effects may impact on nociception given the role of this channel in sensory activity. This subject remains controversial, and future studies are required before the impact of T-type Ca(2+) channel modulation by H2 S might be exploited as a novel approach to pain management.
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Affiliation(s)
- Jacobo Elies
- Faculty of Medicine and Health, University of Leeds, Leeds, UK
| | - Jason L Scragg
- Faculty of Medicine and Health, University of Leeds, Leeds, UK
| | - John P Boyle
- Faculty of Medicine and Health, University of Leeds, Leeds, UK
| | - Nikita Gamper
- Faculty of Biological Sciences, School of Biomedical Sciences, University of Leeds, Leeds, UK.,Department of Pharmacology, Hebei Medical University, Shijiazhuang, China
| | - Chris Peers
- Faculty of Medicine and Health, University of Leeds, Leeds, UK
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Affiliation(s)
- Chris Peers
- a Division of Cardiovascular and Diabetes Research ; LICAMM; Faculty of Medicine and Health; University of Leeds ; Leeds , UK
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Hydrogen sulfide-induced itch requires activation of Cav3.2 T-type calcium channel in mice. Sci Rep 2015; 5:16768. [PMID: 26602811 PMCID: PMC4658482 DOI: 10.1038/srep16768] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 10/19/2015] [Indexed: 01/02/2023] Open
Abstract
The contributions of gasotransmitters to itch sensation are largely unknown. In this
study, we aimed to investigate the roles of hydrogen sulfide (H2S), a
ubiquitous gasotransmitter, in itch signaling. We found that intradermal injection
of H2S donors NaHS or Na2S, but not GYY4137 (a slow-releasing
H2S donor), dose-dependently induced scratching behavior in a
μ-opioid receptor-dependent and histamine-independent manner in mice.
Interestingly, NaHS induced itch via unique mechanisms that involved
capsaicin-insensitive A-fibers, but not TRPV1-expressing C-fibers that are
traditionally considered for mediating itch, revealed by depletion of
TRPV1-expressing C-fibers by systemic resiniferatoxin treatment. Moreover, local
application of capsaizapine (TRPV1 blocker) or HC-030031 (TRPA1 blocker) had no
effects on NaHS-evoked scratching. Strikingly, pharmacological blockade and
silencing of Cav3.2 T-type calcium channel by mibefradil, ascorbic acid,
zinc chloride or Cav3.2 siRNA dramatically decreased NaHS-evoked
scratching. NaHS induced robust alloknesis (touch-evoked itch), which was inhibited
by T-type calcium channels blocker mibefradil. Compound 48/80-induced itch was
enhanced by an endogenous precursor of H2S (L-cysteine) but attenuated by
inhibitors of H2S-producing enzymes cystathionine γ-lyase and
cystathionine β-synthase. These results indicated that H2S,
as a novel nonhistaminergic itch mediator, may activates Cav3.2 T-type
calcium channel, probably located at A-fibers, to induce scratching and alloknesis
in mice.
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Abstract
Given the clinical significance of pain disorders and the relative ineffectiveness of current therapeutics, it is important to identify alternative means of modulating nociception. The most obvious pharmacological targets are the ion channels that facilitate nervous transmission from pain sensors in the periphery to the processing regions within the brain and spinal cord. In order to design effective pharmacological tools for this purpose, however, it is first necessary to understand how these channels are regulated. A growing area of research involves the investigation of the role that trace metals and endogenous redox agents play in modulating the activity of a diverse group of ion channels within the pain pathway. In the present review, the most recent literature concerning trace metal and redox regulation of T-type calcium channels, NMDA (N-methyl-D-aspartate) receptors, GABAA (γ-aminobutyric acid A) receptors and TRP (transient receptor potential) channels are described to gain a comprehensive understanding of the current state of the field as well as to provide a basis for future thought and experimentation.
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Functional upregulation of the H2S/Cav3.2 channel pathway accelerates secretory function in neuroendocrine-differentiated human prostate cancer cells. Biochem Pharmacol 2015; 97:300-9. [DOI: 10.1016/j.bcp.2015.08.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Accepted: 08/03/2015] [Indexed: 12/27/2022]
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Huang D, Huang S, Peers C, Du X, Zhang H, Gamper N. GABAB receptors inhibit low-voltage activated and high-voltage activated Ca(2+) channels in sensory neurons via distinct mechanisms. Biochem Biophys Res Commun 2015; 465:188-93. [PMID: 26239659 DOI: 10.1016/j.bbrc.2015.07.137] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Accepted: 07/28/2015] [Indexed: 12/16/2022]
Abstract
Growing evidence suggests that mammalian peripheral somatosensory neurons express functional receptors for gamma-aminobutyric acid, GABAA and GABAB. Moreover, local release of GABA by pain-sensing (nociceptive) nerve fibres has also been suggested. Yet, the functional significance of GABA receptor triggering in nociceptive neurons is not fully understood. Here we used patch-clamp recordings from small-diameter cultured DRG neurons to investigate effects of GABAB receptor agonist baclofen on voltage-gated Ca(2+) currents. We found that baclofen inhibited both low-voltage activated (LVA, T-type) and high-voltage activated (HVA) Ca(2+) currents in a proportion of DRG neurons by 22% and 32% respectively; both effects were sensitive to Gi/o inhibitor pertussis toxin. Inhibitory effect of baclofen on both current types was about twice less efficacious as compared to that of the μ-opioid receptor agonist DAMGO. Surprisingly, only HVA but not LVA current modulation by baclofen was partially prevented by G protein inhibitor GDP-β-S. In contrast, only LVA but not HVA current modulation was reversed by the application of a reducing agent dithiothreitol (DTT). Inhibition of T-type Ca(2+) current by baclofen and the recovery of such inhibition by DTT were successfully reconstituted in the expression system. Our data suggest that inhibition of LVA current in DRG neurons by baclofen is partially mediated by an unconventional signaling pathway that involves a redox mechanism. These findings reinforce the idea of targeting peripheral GABA receptors for pain relief.
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Affiliation(s)
- Dongyang Huang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, 050011, PR China
| | - Sha Huang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, 050011, PR China
| | - Chris Peers
- Faculty of Medicine and Health, University of Leeds, Leeds, UK
| | - Xiaona Du
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, 050011, PR China
| | - Hailin Zhang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, 050011, PR China.
| | - Nikita Gamper
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, 050011, PR China; School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK.
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Interaction of H2S with Calcium Permeable Channels and Transporters. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:323269. [PMID: 26078804 PMCID: PMC4442308 DOI: 10.1155/2015/323269] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Revised: 10/14/2014] [Accepted: 11/12/2014] [Indexed: 01/13/2023]
Abstract
A growing amount of evidence has suggested that hydrogen sulfide (H2S), as a gasotransmitter, is involved in intensive physiological and pathological processes. More and more research groups have found that H2S mediates diverse cellular biological functions related to regulating intracellular calcium concentration. These groups have demonstrated the reciprocal interaction between H2S and calcium ion channels and transporters, such as L-type calcium channels (LTCC), T-type calcium channels (TTCC), sodium/calcium exchangers (NCX), transient receptor potential (TRP) channels, β-adrenergic receptors, and N-methyl-D-aspartate receptors (NMDAR) in different cells. However, the understanding of the molecular targets and mechanisms is incomplete. Recently, some research groups demonstrated that H2S modulates the activity of calcium ion channels through protein S-sulfhydration and polysulfide reactions. In this review, we elucidate that H2S controls intracellular calcium homeostasis and the underlying mechanisms.
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The Cardioprotective Effects of Hydrogen Sulfide in Heart Diseases: From Molecular Mechanisms to Therapeutic Potential. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:925167. [PMID: 26078822 PMCID: PMC4442295 DOI: 10.1155/2015/925167] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Accepted: 12/18/2014] [Indexed: 11/23/2022]
Abstract
Hydrogen sulfide (H2S) is now recognized as a third gaseous mediator along with nitric oxide (NO) and carbon monoxide (CO), though it was originally considered as a malodorous and toxic gas. H2S is produced endogenously from cysteine by three enzymes in mammalian tissues. An increasing body of evidence suggests the involvement of H2S in different physiological and pathological processes. Recent studies have shown that H2S has the potential to protect the heart against myocardial infarction, arrhythmia, hypertrophy, fibrosis, ischemia-reperfusion injury, and heart failure. Some mechanisms, such as antioxidative action, preservation of mitochondrial function, reduction of apoptosis, anti-inflammatory responses, angiogenic actions, regulation of ion channel, and interaction with NO, could be responsible for the cardioprotective effect of H2S. Although several mechanisms have been identified, there is a need for further research to identify the specific molecular mechanism of cardioprotection in different cardiac diseases. Therefore, insight into the molecular mechanisms underlying H2S action in the heart may promote the understanding of pathophysiology of cardiac diseases and lead to new therapeutic targets based on modulation of H2S production.
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Elies J, Johnson E, Boyle JP, Scragg JL, Peers C. H2S does not regulate proliferation via T-type Ca2+ channels. Biochem Biophys Res Commun 2015; 461:659-64. [PMID: 25918023 DOI: 10.1016/j.bbrc.2015.04.087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 04/17/2015] [Indexed: 01/08/2023]
Abstract
T-type Ca(2+) channels (Cav3.1, 3.2 and 3.3) strongly influence proliferation of various cell types, including vascular smooth muscle cells (VSMCs) and certain cancers. We have recently shown that the gasotransmitter carbon monoxide (CO) inhibits T-type Ca(2+) channels and, in so doing, attenuates proliferation of VSMC. We have also shown that the T-type Ca(2+) channel Cav3.2 is selectively inhibited by hydrogen sulfide (H2S) whilst the other channel isoforms (Cav3.1 and Cav3.3) are unaffected. Here, we explored whether inhibition of Cav3.2 by H2S could account for the anti-proliferative effects of this gasotransmitter. H2S suppressed proliferation in HEK293 cells expressing Cav3.2, as predicted by our previous observations. However, H2S was similarly effective in suppressing proliferation in wild type (non-transfected) HEK293 cells and those expressing the H2S insensitive channel, Cav3.1. Further studies demonstrated that T-type Ca(2+) channels in the smooth muscle cell line A7r5 and in human coronary VSMCs strongly influenced proliferation. In both cell types, H2S caused a concentration-dependent inhibition of proliferation, yet by far the dominant T-type Ca(2+) channel isoform was the H2S-insensitive channel, Cav3.1. Our data indicate that inhibition of T-type Ca(2+) channel-mediated proliferation by H2S is independent of the channels' sensitivity to H2S.
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Affiliation(s)
- Jacobo Elies
- Division of Cardiovascular and Diabetes Research, LICAMM, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK
| | - Emily Johnson
- Division of Cardiovascular and Diabetes Research, LICAMM, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK
| | - John P Boyle
- Division of Cardiovascular and Diabetes Research, LICAMM, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK
| | - Jason L Scragg
- Division of Cardiovascular and Diabetes Research, LICAMM, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK
| | - Chris Peers
- Division of Cardiovascular and Diabetes Research, LICAMM, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK.
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Hydrogen sulfide-based therapeutics: exploiting a unique but ubiquitous gasotransmitter. Nat Rev Drug Discov 2015; 14:329-45. [PMID: 25849904 DOI: 10.1038/nrd4433] [Citation(s) in RCA: 568] [Impact Index Per Article: 63.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Hydrogen sulfide (H2S) has become recognized as an important signalling molecule throughout the body, contributing to many physiological and pathological processes. In recent years, improved methods for measuring H2S levels and the availability of a wider range of H2S donors and more selective inhibitors of H2S synthesis have helped to more accurately identify the many biological effects of this highly reactive gaseous mediator. Animal studies of several H2S-releasing drugs have demonstrated considerable promise for the safe treatment of a wide range of disorders. Several such drugs are now in clinical trials.
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Hydrogen sulfide and neuronal differentiation: focus on Ca2+ channels. Nitric Oxide 2015; 46:50-4. [PMID: 25660006 DOI: 10.1016/j.niox.2015.02.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 01/26/2015] [Accepted: 02/02/2015] [Indexed: 02/07/2023]
Abstract
Hydrogen sulfide (H2S) is considered the third gasotransmitter following nitric oxide (NO) and carbon monoxide (CO) in the mammalian body including the brain, heart, blood vessels, liver, kidney, pancreas, lung, gastrointestinal tract and reproductive organs. H2S is formed endogenously from L-cysteine by multiple enzymes, such as cystathionine-γ-lyase, cystathionine-β-synthase and 3-mercaptopyruvate sulfurtransferase in combination with cysteine aminotransferase, and participates in a variety of biological events through a number of target molecules. Exogenous and/or endogenous H2S enhances the activity of T-type Ca(2+) channels in NG108-15 cells and isolated dorsal root ganglion neurons that abundantly express Cav3.2, and in Cav3.2-transfected HEK293 cells. Cav3.2 mediates not only the H2S-induced enhancement of pain signals in nociceptor neurons, but also neuronal differentiation characterized by neuritogenesis and functional upregulation of high voltage-activated Ca(2+) channels in NG108-15 cells. In this review, we focus on the functional modulation by H2S of primarily Cav3.2 T-type Ca(2+) channels and the molecular mechanisms underlying the H2S-induced neuronal differentiation.
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39
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Terada Y, Kawabata A. H2S and Pain: A Novel Aspect for Processing of Somatic, Visceral and Neuropathic Pain Signals. Handb Exp Pharmacol 2015; 230:217-230. [PMID: 26162837 DOI: 10.1007/978-3-319-18144-8_11] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Hydrogen sulfide (H2S) formed by multiple enzymes including cystathionine-γ-lyase (CSE) targets Cav3.2 T-type Ca2+ channels (T-channels) and transient receptor potential ankyrin-1 (TRPA1). Intraplantar and intracolonic administration of H2S donors promotes somatic and visceral pain, respectively, via activation of Cav3.2 and TRPA1 in rats and/or mice. Injection of H2S donors into the plantar tissues, pancreatic duct, colonic lumen, or bladder causes T-channel-dependent excitation of nociceptors, determined as phosphorylation of ERK or expression of Fos in the spinal dorsal horn. Electrophysiological studies demonstrate that exogenous and/or endogenous H2S facilitates membrane currents through T-channels in NG108-15 cells and isolated mouse dorsal root ganglion (DRG) neurons that abundantly express Cav3.2 and also in Cav3.2-transfected HEK293 cells. In mice with cerulein-induced pancreatitis and cyclophosphamide-induced cystitis, visceral pain and/or referred hyperalgesia are inhibited by CSE inhibitors and by pharmacological blockade or genetic silencing of Cav3.2, and CSE protein is upregulated in the pancreas and bladder. In rats with neuropathy induced by L5 spinal nerve cutting or by repeated administration of paclitaxel, an anticancer drug, the neuropathic hyperalgesia is reversed by inhibitors of CSE or T-channels and by silencing of Cav3.2. Upregulation of Cav3.2 protein in DRG is detectable in the former, but not in the latter, neuropathic pain models. Thus, H2S appears to function as a nociceptive messenger by facilitating functions of Cav3.2 and TRPA1, and the enhanced function of the CSE/H2S/Cav3.2 pathway is considered to be involved in the pancreatitis- and cystitis-related pain and in neuropathic pain.
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Affiliation(s)
- Yuka Terada
- Division of Pharmacology and Pathophysiology, Kinki University School of Pharmacy, Higashi-Osaka, 577-8502, Japan
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