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Liu SY, Li D, Zeng HY, Kan LY, Zou W, Zhang P, Gu HF, Tang XQ. Hydrogen Sulfide Inhibits Chronic Unpredictable Mild Stress-Induced Depressive-Like Behavior by Upregulation of Sirt-1: Involvement in Suppression of Hippocampal Endoplasmic Reticulum Stress. Int J Neuropsychopharmacol 2017; 20:867-876. [PMID: 28482013 PMCID: PMC5737807 DOI: 10.1093/ijnp/pyx030] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 05/03/2017] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Hydrogen sulfide (H2S) is a crucial signaling molecule with a wide range of physiological functions. Previously, we confirmed that stress-induced depression is accompanied with disturbance of H2S generation in hippocampus. The present work attempted to investigate the inhibitory effect of H2S on chronic unpredictable mild stress-induced depressive-like behaviors and the underlying mechanism. METHODS We established the rat model of chronic unpredictable mild stress to simulate depression. Open field test, forced swim test, and tail suspension test were used to assess depressive-like behaviors. The expression of Sirt-1 and three marked proteins related to endoplasmic reticulum stress (GRP-78, CHOP, and cleaved caspase-12) were detected by western blot. RESULTS We found that chronic unpredictable mild stress-exposed rats exhibit depression-like behavior responses, including significantly increased immobility time in the forced swim test and tail suspension test, and decreased climbing time and swimming time in the forced swim test. In parallel, chronic unpredictable mild stress-exposed rats showed elevated levels of hippocampal endoplasmic reticulum stress and reduced levels of Sirt-1. However, NaHS (a donor of H2S) not only alleviated chronic unpredictable mild stress-induced depressive-like behaviors and hippocampal endoplasmic reticulum stress, but it also increased the expression of hippocampal Sirt-1 in chronic unpredictable mild stress-exposed rats. Furthermore, Sirtinol, an inhibitor of Sirt-1, reversed the protective effects of H2S against chronic unpredictable mild stress-induced depression-like behaviors and hippocampal endoplasmic reticulum stress. CONCLUSION These results demonstrated that H2S has an antidepressant potential, and the underlying mechanism is involved in the inhibition of hippocampal endoplasmic reticulum stress by upregulation of Sirt-1 in hippocampus. These findings identify H2S as a novel therapeutic target for depression.
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Affiliation(s)
- Shu-Yun Liu
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Dan Li
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Hai-Ying Zeng
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Li-Yuan Kan
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Wei Zou
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Ping Zhang
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Hong-Feng Gu
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Xiao-Qing Tang
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang).,Correspondence: Xiao-Qing Tang, MD, PhD, Department of Physiology, Institute of Neuroscience, Medical College, University of South China, 28 West Changsheng Road, Hengyang 421001, Hunan Province, P. R. China ()
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Wedmann R, Ivanovic-Burmazovic I, Filipovic MR. Nitrosopersulfide (SSNO -) decomposes in the presence of sulfide, cyanide or glutathione to give HSNO/SNO -: consequences for the assumed role in cell signalling. Interface Focus 2017; 7:20160139. [PMID: 28382204 DOI: 10.1098/rsfs.2016.0139] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The emergence of hydrogen sulfide (H2S) as a new signalling molecule able to control vasodilation, neurotransmission and immune response, prompted questions about its possible cross-talk with the other gasontransmitter, nitric oxide (NO). It has been shown that H2S reacts with NO and its metabolites and several potentially biologically active species have been identified. Thionitrous acid (HSNO) was proposed to be an intermediate product of the reaction of S-nitrosothiols with H2S capable of crossing the membranes and causing further trans-nitrosation of proteins. Alternatively, formation of nitrosopersulfide (SSNO-) has been proposed in this reaction. SSNO- was claimed to be particularly stable and inert to H2S, thiols and cyanides. It is suggested that this putative SSNO- slowly decomposes to give NO, HNO and polysulfides. However, the chemical studies with pure SSNO- salts showed some conflicting observations. In this study, we work with pure PNP+SSNO- to show that contrary to everything that is claimed for the yellow reaction product of GSNO with H2S, pure SSNO- decomposes readily in the presence of cyanide, H2S and glutathione to form SNO-. Based on literature overview and chemical data about the structures of HSNO/SNO- and SSNO- we discuss the biological role these two species could have.
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Affiliation(s)
- Rudolf Wedmann
- Department of Chemistry and Pharmacy , Friedrich-Alexander University of Erlangen-Nuremberg , 91058 Erlangen , Germany
| | - Ivana Ivanovic-Burmazovic
- Department of Chemistry and Pharmacy , Friedrich-Alexander University of Erlangen-Nuremberg , 91058 Erlangen , Germany
| | - Milos R Filipovic
- University of Bordeaux, IBGC, UMR 5095, 33077 Bordeaux, France; CNRS, IBGC, UMR 5095, 33077 Bordeaux, France
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253
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Chuaiphichai S, Crabtree MJ, Mcneill E, Hale AB, Trelfa L, Channon KM, Douglas G. A key role for tetrahydrobiopterin-dependent endothelial NOS regulation in resistance arteries: studies in endothelial cell tetrahydrobiopterin-deficient mice. Br J Pharmacol 2017; 174:657-671. [PMID: 28128438 PMCID: PMC5368052 DOI: 10.1111/bph.13728] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 01/22/2017] [Accepted: 01/23/2017] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND AND PURPOSE The cofactor tetrahydrobiopterin (BH4) is a critical regulator of endothelial NOS (eNOS) function, eNOS-derived NO and ROS signalling in vascular physiology. To determine the physiological requirement for de novo endothelial cell BH4 synthesis for the vasomotor function of resistance arteries, we have generated a mouse model with endothelial cell-specific deletion of Gch1, encoding GTP cyclohydrolase 1 (GTPCH), an essential enzyme for BH4 biosynthesis, and evaluated BH4-dependent eNOS regulation, eNOS-derived NO and ROS generation. EXPERIMENTAL APPROACH The reactivity of mouse second-order mesenteric arteries was assessed by wire myography. High performance liquid chromatography was used to determine BH4, BH2 and biopterin. Western blotting was used for expression analysis. KEY RESULTS Gch1fl/fl Tie2cre mice demonstrated reduced GTPCH protein and BH4 levels in mesenteric arteries. Deficiency in endothelial cell BH4 leads to eNOS uncoupling, increased ROS production and loss of NO generation in mesenteric arteries of Gch1fl/fl Tie2cre mice. Gch1fl/fl Tie2cre mesenteric arteries had enhanced vasoconstriction to U46619 and phenylephrine, which was abolished by L-NAME. Endothelium-dependent vasodilatations to ACh and SLIGRL were impaired in mesenteric arteries from Gch1fl/fl Tie2cre mice, compared with those from wild-type littermates. Loss of eNOS-derived NO-mediated vasodilatation was associated with increased eNOS-derived H2 O2 and cyclooxygenase-derived vasodilator in Gch1fl/fl Tie2cre mesenteric arteries. CONCLUSIONS AND IMPLICATIONS Endothelial cell Gch1 and BH4-dependent eNOS regulation play pivotal roles in maintaining vascular homeostasis in resistance arteries. Therefore, targeting vascular Gch1 and BH4 biosynthesis may provide a novel therapeutic target for the prevention and treatment of microvascular dysfunction in patients with cardiovascular disease.
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Affiliation(s)
- Surawee Chuaiphichai
- British Heart Foundation Centre of Research Excellence, Division of Cardiovascular MedicineUniversity of OxfordOxfordUK
- Wellcome Trust Centre for Human GeneticsUniversity of OxfordOxfordUK
| | - Mark J Crabtree
- British Heart Foundation Centre of Research Excellence, Division of Cardiovascular MedicineUniversity of OxfordOxfordUK
- Wellcome Trust Centre for Human GeneticsUniversity of OxfordOxfordUK
| | - Eileen Mcneill
- British Heart Foundation Centre of Research Excellence, Division of Cardiovascular MedicineUniversity of OxfordOxfordUK
- Wellcome Trust Centre for Human GeneticsUniversity of OxfordOxfordUK
| | - Ashley B Hale
- British Heart Foundation Centre of Research Excellence, Division of Cardiovascular MedicineUniversity of OxfordOxfordUK
- Wellcome Trust Centre for Human GeneticsUniversity of OxfordOxfordUK
| | - Lucy Trelfa
- British Heart Foundation Centre of Research Excellence, Division of Cardiovascular MedicineUniversity of OxfordOxfordUK
- Wellcome Trust Centre for Human GeneticsUniversity of OxfordOxfordUK
| | - Keith M Channon
- British Heart Foundation Centre of Research Excellence, Division of Cardiovascular MedicineUniversity of OxfordOxfordUK
- Wellcome Trust Centre for Human GeneticsUniversity of OxfordOxfordUK
| | - Gillian Douglas
- British Heart Foundation Centre of Research Excellence, Division of Cardiovascular MedicineUniversity of OxfordOxfordUK
- Wellcome Trust Centre for Human GeneticsUniversity of OxfordOxfordUK
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Greaney JL, Kutz JL, Shank SW, Jandu S, Santhanam L, Alexander LM. Impaired Hydrogen Sulfide-Mediated Vasodilation Contributes to Microvascular Endothelial Dysfunction in Hypertensive Adults. Hypertension 2017; 69:902-909. [PMID: 28348008 DOI: 10.1161/hypertensionaha.116.08964] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 01/03/2017] [Accepted: 02/17/2017] [Indexed: 12/22/2022]
Abstract
Reductions in hydrogen sulfide (H2S) production have been implicated in the pathogenesis of vascular dysfunction in animal models of hypertension; however, no studies have examined a functional role for H2S in contributing to microvascular dysfunction in hypertensive (HTN) adults. We hypothesized that endogenous production of H2S would be reduced, impaired endothelium-dependent vasodilation would be mediated by reductions in H2S-dependent vasodilation, and vascular responsiveness to exogenous H2S (sodium sulfide) would be attenuated in HTN compared to normotensive adults. Fifteen normotensive (51±2 years; blood pressure, 116±3/76±3 mm Hg) and 14 HTN adults (57±2 years; blood pressure 140±3/89±2 mm Hg) participated. H2S biosynthetic enzyme expression (Western blot) and substrate-dependent H2S production (amperometric probe) were measured in cutaneous tissue homogenates. Red cell flux (laser Doppler flowmetry) was measured during graded perfusions of acetylcholine (ACh; 10-6-10-1 mol/L) and sodium sulfide (10-5-101 mol/L) using intradermal microdialysis; the functional role of H2S was determined using pharmacological inhibition with aminooxyacetic acid (0.5 mmol/L). H2S biosynthetic enzyme expression and substrate-dependent H2S production were reduced in HTN adults (all P<0.05). ACh-induced endothelium-dependent vasodilation was blunted in HTN adults (P=0.012). Aminooxyacetic acid attenuated ACh-induced vasodilation in normotensive adults (ACh, 1.31±0.13 versus ACh+aminooxyacetic acid, 1.07±0.09 flux/mm Hg; P=0.025) but had no effect on vasodilation in HTN adults (ACh, 1.16±0.10 versus ACh+aminooxyacetic acid, 1.37±0.11 flux/mm Hg; P=0.47). Sodium sulfide-induced vasodilation was not different between groups. Collectively, these findings indicate that while the microvasculature maintains the ability to vasodilate in response to exogenous H2S, reductions in endogenous synthesis and H2S-dependent vasodilation contribute to endothelial dysfunction in human hypertension.
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Affiliation(s)
- Jody L Greaney
- From the Department of Kinesiology, Noll Laboratory, The Pennsylvania State University, University Park (J.L.G., J.L.K., S.W.S., L.M.A.); Department of Exercise Science, Shenandoah University, Winchester, VA (J.L.K.); and Departments of Anesthesia and Critical Care Medicine and Bioengineering, Johns Hopkins University School of Medicine, Baltimore, MD (S.J., L.S.)
| | - Jessica L Kutz
- From the Department of Kinesiology, Noll Laboratory, The Pennsylvania State University, University Park (J.L.G., J.L.K., S.W.S., L.M.A.); Department of Exercise Science, Shenandoah University, Winchester, VA (J.L.K.); and Departments of Anesthesia and Critical Care Medicine and Bioengineering, Johns Hopkins University School of Medicine, Baltimore, MD (S.J., L.S.)
| | - Sean W Shank
- From the Department of Kinesiology, Noll Laboratory, The Pennsylvania State University, University Park (J.L.G., J.L.K., S.W.S., L.M.A.); Department of Exercise Science, Shenandoah University, Winchester, VA (J.L.K.); and Departments of Anesthesia and Critical Care Medicine and Bioengineering, Johns Hopkins University School of Medicine, Baltimore, MD (S.J., L.S.)
| | - Sandeep Jandu
- From the Department of Kinesiology, Noll Laboratory, The Pennsylvania State University, University Park (J.L.G., J.L.K., S.W.S., L.M.A.); Department of Exercise Science, Shenandoah University, Winchester, VA (J.L.K.); and Departments of Anesthesia and Critical Care Medicine and Bioengineering, Johns Hopkins University School of Medicine, Baltimore, MD (S.J., L.S.)
| | - Lakshmi Santhanam
- From the Department of Kinesiology, Noll Laboratory, The Pennsylvania State University, University Park (J.L.G., J.L.K., S.W.S., L.M.A.); Department of Exercise Science, Shenandoah University, Winchester, VA (J.L.K.); and Departments of Anesthesia and Critical Care Medicine and Bioengineering, Johns Hopkins University School of Medicine, Baltimore, MD (S.J., L.S.)
| | - Lacy M Alexander
- From the Department of Kinesiology, Noll Laboratory, The Pennsylvania State University, University Park (J.L.G., J.L.K., S.W.S., L.M.A.); Department of Exercise Science, Shenandoah University, Winchester, VA (J.L.K.); and Departments of Anesthesia and Critical Care Medicine and Bioengineering, Johns Hopkins University School of Medicine, Baltimore, MD (S.J., L.S.).
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Cacanyiova S, Berenyiova A, Kristek F. The role of hydrogen sulphide in blood pressure regulation. Physiol Res 2017; 65:S273-S289. [PMID: 27775417 DOI: 10.33549/physiolres.933438] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Cardiovascular studies have confirmed that hydrogen sulphide (H(2)S) is involved in various signaling pathways in both physiological and pathological conditions, including hypertension. In contrast to nitric oxide (NO), which has a clear vasorelaxant action, H(2)S has both vasorelaxing and vasoconstricting effects on the cardiovascular system. H(2)S is an important antihypertensive agent, and the reduced production of H(2)S and the alterations in its functions are involved in the initiation of spontaneous hypertension. Moreover, cross-talk between H(2)S and NO has been reported. NO-H(2)S interactions include reactions between the molecules themselves, and each has been shown to regulate the endogenous production of the other. In addition, NO and H(2)S can interact to form a nitrosothiol/s complex, which has original properties and represents a novel nitroso-sulphide signaling pathway. Furthermore, recent results have shown that the interaction between H(2)S and NO could be involved in the endothelium-regulated compensatory mechanisms that are observed in juvenile spontaneously hypertensive rats. The present review is devoted to role of H(2)S in vascular tone regulation. We primarily focus on the mechanisms of H(2)S-NO interactions and on the role of H(2)S in blood pressure regulation in normotensive and spontaneously hypertensive rats.
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Affiliation(s)
- S Cacanyiova
- Institute of Normal and Pathological Physiology, Slovak Academy of Sciences, Bratislava, Slovak Republic.
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Cebová M, Košútová M, Pecháňová O. Cardiovascular effects of gasotransmitter donors. Physiol Res 2017; 65:S291-S307. [PMID: 27775418 DOI: 10.33549/physiolres.933441] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Gasotransmitters represent a subfamily of the endogenous gaseous signaling molecules that include nitric oxide (NO), carbon monoxide (CO), and hydrogen sulphide (H(2)S). These particular gases share many common features in their production and function, but they fulfill their physiological tasks in unique ways that differ from those of classical signaling molecules found in tissues and organs. These gasotransmitters may antagonize or potentiate each other's cellular effects at the level of their production, their downstream molecular targets and their direct interactions. All three gasotransmitters induce vasodilatation, inhibit apoptosis directly or by increasing the expression of anti-apoptotic genes, and activate antioxidants while inhibiting inflammatory actions. NO and CO may concomitantly participate in vasorelaxation, anti-inflammation and angiogenesis. NO and H(2)S collaborate in the regulation of vascular tone. Finally, H(2)S may upregulate the heme oxygenase/carbon monoxide (HO/CO) pathway during hypoxic conditions. All three gasotransmitters are produced by specific enzymes in different cell types that include cardiomyocytes, endothelial cells and smooth muscle cells. As translational research on gasotransmitters has exploded over the past years, drugs that alter the production/levels of the gasotransmitters themselves or modulate their signaling pathways are now being developed. This review is focused on the cardiovascular effects of NO, CO, and H(2)S. Moreover, their donors as drug targeting the cardiovascular system are briefly described.
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Affiliation(s)
- M Cebová
- Institute of Normal and Pathological Physiology, Slovak Academy of Sciences, Bratislava, Slovak Republic.
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257
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Tykocki NR, Boerman EM, Jackson WF. Smooth Muscle Ion Channels and Regulation of Vascular Tone in Resistance Arteries and Arterioles. Compr Physiol 2017; 7:485-581. [PMID: 28333380 DOI: 10.1002/cphy.c160011] [Citation(s) in RCA: 222] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Vascular tone of resistance arteries and arterioles determines peripheral vascular resistance, contributing to the regulation of blood pressure and blood flow to, and within the body's tissues and organs. Ion channels in the plasma membrane and endoplasmic reticulum of vascular smooth muscle cells (SMCs) in these blood vessels importantly contribute to the regulation of intracellular Ca2+ concentration, the primary determinant of SMC contractile activity and vascular tone. Ion channels provide the main source of activator Ca2+ that determines vascular tone, and strongly contribute to setting and regulating membrane potential, which, in turn, regulates the open-state-probability of voltage gated Ca2+ channels (VGCCs), the primary source of Ca2+ in resistance artery and arteriolar SMCs. Ion channel function is also modulated by vasoconstrictors and vasodilators, contributing to all aspects of the regulation of vascular tone. This review will focus on the physiology of VGCCs, voltage-gated K+ (KV) channels, large-conductance Ca2+-activated K+ (BKCa) channels, strong-inward-rectifier K+ (KIR) channels, ATP-sensitive K+ (KATP) channels, ryanodine receptors (RyRs), inositol 1,4,5-trisphosphate receptors (IP3Rs), and a variety of transient receptor potential (TRP) channels that contribute to pressure-induced myogenic tone in resistance arteries and arterioles, the modulation of the function of these ion channels by vasoconstrictors and vasodilators, their role in the functional regulation of tissue blood flow and their dysfunction in diseases such as hypertension, obesity, and diabetes. © 2017 American Physiological Society. Compr Physiol 7:485-581, 2017.
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Affiliation(s)
- Nathan R Tykocki
- Department of Pharmacology, University of Vermont, Burlington, Vermont, USA
| | - Erika M Boerman
- Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, Missouri, USA
| | - William F Jackson
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan, USA
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Role of Gasotransmitters in Oxidative Stresses, Neuroinflammation, and Neuronal Repair. BIOMED RESEARCH INTERNATIONAL 2017; 2017:1689341. [PMID: 28386548 PMCID: PMC5366188 DOI: 10.1155/2017/1689341] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 01/12/2017] [Accepted: 02/07/2017] [Indexed: 12/21/2022]
Abstract
To date, three main gasotransmitters, that is, hydrogen sulfide (H2S), carbon monoxide (CO), and nitric oxide (NO), have been discovered to play major bodily physiological roles. These gasotransmitters have multiple functional roles in the body including physiologic and pathologic functions with respect to the cellular or tissue quantities of these gases. Gasotransmitters were originally known to have only detrimental and noxious effects in the body but that notion has much changed with years; vast studies demonstrated that these gasotransmitters are precisely involved in the normal physiological functioning of the body. From neuromodulation, oxidative stress subjugation, and cardiovascular tone regulation to immunomodulation, these gases perform critical roles, which, should they deviate from the norm, can trigger the genesis of a number of neurodegenerative diseases such as Alzheimer's disease (AD) and Parkinson's disease (PD). The purpose of this review is to discuss at great length physical and chemical properties and physiological actions of H2S, NO, and CO as well as shedding light on recently researched molecular targets. We particularly put emphasis on the roles in neuronal inflammation and neurodegeneration and neuronal repair.
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259
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Biological chemistry of hydrogen sulfide and persulfides. Arch Biochem Biophys 2017; 617:9-25. [DOI: 10.1016/j.abb.2016.09.018] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 09/28/2016] [Accepted: 09/29/2016] [Indexed: 02/08/2023]
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Zhou H, Ding L, Wu Z, Cao X, Zhang Q, Lin L, Bian JS. Hydrogen sulfide reduces RAGE toxicity through inhibition of its dimer formation. Free Radic Biol Med 2017; 104:262-271. [PMID: 28108276 DOI: 10.1016/j.freeradbiomed.2017.01.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 12/30/2016] [Accepted: 01/16/2017] [Indexed: 12/11/2022]
Abstract
RAGE is important in the development of neurodegenerative diseases. The present study was designed to investigate the effect of hydrogen sulfide (H2S, an endogenous gaseous mediator) on the cytotoxicity caused by RAGE activation during the chronic oxidative stress. Aβ1-42 decreased cell viability and induced cell senescence in SH-SY5Y cells. Treatment with advanced glycation end products (AGEs) induced cell injury in HEK293 cells stably expressing RAGE (HEK293-RAGE) and stimulated inflammatory responses in SH-SY5Y cells. Pretreatment of SH-SY5Y cells with an H2S donor, NaHS, significantly attenuated the above harmful effects caused by Aβ1-42 or AGEs. Western blotting analysis shows that oxidative stress enhanced RAGE protein expression which was attenuated by either NaHS or over-expression of cystathionine β-synthase (CBS), a critical enzyme for producing H2S in brain cells. Both Western blots and split GFP complementation analysis demonstrate that NaHS reduced H2O2-enhanced RAGE dimerization. Immunofluorescence analysis shows that H2O2 up-regulated the membrane expression of wild-type RAGE. However, H2O2-enhanced expression of the RAGE harboring C259S/C310S double mutation (DM-RAGE) was observed in the endoplasmic reticulum. Treatment with NaHS attenuated the effects of H2O2 on the protein expression of WT-RAGE, but not that of DM-RAGE. Cycloheximide chase and ubiquitination assays show that NaHS reduced the half-life of WT-RAGE to a similar level of DM-RAGE. S-sulfhydration assay with the tag-switch technique demonstrate that H2S may directly S-sulfhydrate the C259/C301 residues. Our data suggest that H2S reduces RAGE dimer formation and impairs its membrane stability. The lowered plasma membrane abundance of RAGE therefore helps to protect cells against various RAGE mediated pathological effects.
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Affiliation(s)
- Hong Zhou
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600 Singapore, Singapore
| | - Lei Ding
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600 Singapore, Singapore
| | - Zhiyuan Wu
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600 Singapore, Singapore; Life Science Institute, National University of Singapore, Singapore
| | - Xu Cao
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600 Singapore, Singapore
| | - Qichun Zhang
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600 Singapore, Singapore
| | - Li Lin
- Laboratory of Cardiovascular Sciences, National Institute on Aging, Baltimore, MD 21224, USA
| | - Jin-Song Bian
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600 Singapore, Singapore; Life Science Institute, National University of Singapore, Singapore.
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Gusakova SV, Kovalev IV, Birulina YG, Smagliy LV, Petrova IV, Nosarev AV, Aleinyk AN, Orlov SN. The effects of carbon monoxide and hydrogen sulfide on transmembrane ion transport. Biophysics (Nagoya-shi) 2017. [DOI: 10.1134/s0006350917020099] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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262
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Zheng Y, Yu B, De La Cruz LK, Roy Choudhury M, Anifowose A, Wang B. Toward Hydrogen Sulfide Based Therapeutics: Critical Drug Delivery and Developability Issues. Med Res Rev 2017; 38:57-100. [PMID: 28240384 DOI: 10.1002/med.21433] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 11/10/2016] [Accepted: 11/29/2016] [Indexed: 12/16/2022]
Abstract
Hydrogen sulfide (H2 S), together with nitric oxide (NO) and carbon monoxide (CO), belongs to the gasotransmitter family and plays important roles in mammals as a signaling molecule. Many studies have also shown the various therapeutic effects of H2 S, which include protection against myocardial ischemia injury, cytoprotection against oxidative stress, mediation of neurotransmission, inhibition of insulin signaling, regulation of inflammation, inhibition of the hypoxia-inducible pathway, and dilation of blood vessels. One major challenge in the development of H2 S-based therapeutics is its delivery. In this manuscript, we assess the various drug delivery strategies in the context of being used research tools and eventual developability as therapeutic agents.
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Affiliation(s)
- Yueqin Zheng
- Department of Chemistry, Georgia State University, Atlanta, Georgia
| | - Bingchen Yu
- Department of Chemistry, Georgia State University, Atlanta, Georgia
| | | | | | | | - Binghe Wang
- Department of Chemistry, Georgia State University, Atlanta, Georgia
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263
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You X, Chen Z, Zhao H, Xu C, Liu W, Sun Q, He P, Gu H, Ni X. Endogenous hydrogen sulfide contributes to uterine quiescence during pregnancy. Reproduction 2017; 153:535-543. [PMID: 28188160 DOI: 10.1530/rep-16-0549] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 01/22/2017] [Accepted: 02/10/2017] [Indexed: 11/08/2022]
Abstract
Recent evidence suggests that uterine activation for labor is associated with inflammation within uterine tissues. Hydrogen sulfide (H2S) plays a critical role in inflammatory responses in various tissues. Our previous study has shown that human myometrium produces H2S via its generating enzymes cystathionine-γ-lyase (CSE) and cystathionine-β-synthetase (CBS) during pregnancy. We therefore explored whether H2S plays a role in the maintenance of uterine quiescence during pregnancy. Human myometrial biopsies were obtained from pregnant women at term. Uterine smooth muscle cells (UMSCs) isolated from myometrial tissues were treated with various reagents including H2S. The protein expression of CSE, CBS and contraction-associated proteins (CAPs) including connexin 43, oxytocin receptor and prostaglandin F2α receptor determined by Western blot. The levels of cytokines were measured by ELISA. The results showed that CSE and CBS expression inversely correlated to the levels of CAPs and activated NF-κB in pregnant myometrial tissues. H2S inhibited the expression of CAPs, NF-κB activation and the production of interleukin (IL)-1β, IL-6 and tumor necrosis factor α (TNFα) in cultured USMCs. IL-1β treatment reversed H2S inhibition of CAPs. Knockdown of CSE and CBS prevented H2S suppression of inflammation. H2S modulation of inflammation is through KATP channels and phosphoinositide 3-kinase (PI3K) and extracellular signal-regulated kinase (ERK) signaling pathways. H2S activation of PI3K and ERK signaling is dependent on KATP channels. Our data suggest that H2S suppresses the expression of CAPs via inhibition of inflammation in myometrium. Endogenous H2S is one of the key factors in maintenance of uterine quiescence during pregnancy.
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Affiliation(s)
| | | | - Huina Zhao
- Department of Obstetrics and GynecologyChanghai Hospital, Second Military Medical University, Shanghai, China.,Department of Obstetrics and GynecologySeventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | | | | | - Qianqian Sun
- Department of Obstetrics and GynecologyChanghai Hospital, Second Military Medical University, Shanghai, China
| | | | - Hang Gu
- Department of Obstetrics and GynecologyChanghai Hospital, Second Military Medical University, Shanghai, China
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Leucker TM, Nomura Y, Kim JH, Bhatta A, Wang V, Wecker A, Jandu S, Santhanam L, Berkowitz D, Romer L, Pandey D. Cystathionine γ-lyase protects vascular endothelium: a role for inhibition of histone deacetylase 6. Am J Physiol Heart Circ Physiol 2017; 312:H711-H720. [PMID: 28188215 DOI: 10.1152/ajpheart.00724.2016] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 02/01/2017] [Accepted: 02/03/2017] [Indexed: 01/21/2023]
Abstract
Endothelial cystathionine γ-lyase (CSEγ) contributes to cardiovascular homeostasis, mainly through production of H2S. However, the molecular mechanisms that control CSEγ gene expression in the endothelium during cardiovascular diseases are unclear. The aim of the current study is to determine the role of specific histone deacetylases (HDACs) in the regulation of endothelial CSEγ. Reduced CSEγ mRNA expression and protein abundance were observed in human aortic endothelial cells (HAEC) exposed to oxidized LDL (OxLDL) and in aortas from atherogenic apolipoprotein E knockout (ApoE-/-) mice fed a high-fat diet compared with controls. Intact murine aortic rings exposed to OxLDL (50 μg/ml) for 24 h exhibited impaired endothelium-dependent vasorelaxation that was blocked by CSEγ overexpression or the H2S donor NaHS. CSEγ expression was upregulated by pan-HDAC inhibitors and by class II-specific HDAC inhibitors, but not by other class-specific inhibitors. The HDAC6 selective inhibitor tubacin and HDAC6-specific siRNA increased CSEγ expression and blocked OxLDL-mediated reductions in endothelial CSEγ expression and CSEγ promoter activity, indicating that HDAC6 is a specific regulator of CSEγ expression. Consistent with this finding, HDAC6 mRNA, protein expression, and activity were upregulated in OxLDL-exposed HAEC, but not in human aortic smooth muscle cells. HDAC6 protein levels in aortas from high-fat diet-fed ApoE-/- mice were comparable to those in controls, whereas HDAC6 activity was robustly upregulated. Together, our findings indicate that HDAC6 is upregulated by atherogenic stimuli via posttranslational modifications and is a critical regulator of CSEγ expression in vascular endothelium. Inhibition of HDAC6 activity may improve endothelial function and prevent or reverse the development of atherosclerosis.NEW & NOTEWORTHY Oxidative injury to endothelial cells by oxidized LDL reduced cystathionine γ-lyase (CSEγ) expression and H2S production, leading to endothelial dysfunction, which was prevented by histone deacetylase 6 (HDAC6) inhibition. Our data suggest HDAC6 as a novel therapeutic target to prevent the development of atherosclerosis.
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Affiliation(s)
- Thorsten M Leucker
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Yohei Nomura
- Division of Cardiothoracic Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland; and
| | - Jae Hyung Kim
- Department of Anesthesiology and Pain Medicine, Ajou University School of Medicine, Suwon, South Korea
| | - Anil Bhatta
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Victor Wang
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Andrea Wecker
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Sandeep Jandu
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Lakshmi Santhanam
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Dan Berkowitz
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Lewis Romer
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Deepesh Pandey
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland;
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265
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Kanagy NL, Szabo C, Papapetropoulos A. Vascular biology of hydrogen sulfide. Am J Physiol Cell Physiol 2017; 312:C537-C549. [PMID: 28148499 DOI: 10.1152/ajpcell.00329.2016] [Citation(s) in RCA: 144] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 01/24/2017] [Accepted: 01/27/2017] [Indexed: 12/23/2022]
Abstract
Hydrogen sulfide (H2S) is a ubiquitous signaling molecule with important functions in many mammalian organs and systems. Observations in the 1990s ascribed physiological actions to H2S in the nervous system, proposing that this gasotransmitter acts as a neuromodulator. Soon after that, the vasodilating properties of H2S were demonstrated. In the past decade, H2S was shown to exert a multitude of physiological effects in the vessel wall. H2S is produced by vascular cells and exhibits antioxidant, antiapoptotic, anti-inflammatory, and vasoactive properties. In this concise review, we have focused on the impact of H2S on vascular structure and function with an emphasis on angiogenesis, vascular tone, vascular permeability and atherosclerosis. H2S reduces arterial blood pressure, limits atheromatous plaque formation, and promotes vascularization of ischemic tissues. Although the beneficial properties of H2S are well established, mechanistic insights into the molecular pathways implicated in disease prevention and treatment remain largely unexplored. Unraveling the targets and downstream effectors of H2S in the vessel wall in the context of disease will aid in translation of preclinical observations. In addition, acute regulation of H2S production is still poorly understood and additional work delineating the pathways regulating the enzymes that produce H2S will allow pharmacological manipulation of this pathway. As the field continues to grow, we expect that H2S-related compounds will find their way into clinical trials for diseases affecting the blood vessels.
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Affiliation(s)
- Nancy L Kanagy
- Vascular Physiology Group, Department of Cell Biology and Physiology, School of Medicine, University of New Mexico, Albuquerque, New Mexico
| | - Csaba Szabo
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, Texas
| | - Andreas Papapetropoulos
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece; and .,Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
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266
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Takashima M, Kanamori Y, Kodera Y, Morihara N, Tamura K. Aged garlic extract exerts endothelium-dependent vasorelaxant effect on rat aorta by increasing nitric oxide production. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2017; 24:56-61. [PMID: 28160862 DOI: 10.1016/j.phymed.2016.11.016] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Revised: 11/17/2016] [Accepted: 11/20/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Clinical trials have shown that aged garlic extract (AGE) is effective in reducing blood pressure of hypertensive patients. However, the mechanisms involved remain to be elucidated. PURPOSE The aim of the present study was to investigate the vasorelaxant effect of AGE on the aorta and its mechanism of action in order to clarify the blood pressure-lowering action of AGE. METHODS The vasorelaxant effect was evaluated in isolated rat aortic rings. After aortic rings were contracted by 3 × 10-6M norepinephrine (NE) for 30min, AGE and other test drugs were added to the aortic rings. All results were expressed as percentages of the maximal NE-induced contraction. RESULTS AGE induced the concentration-dependent vasorelaxation of isolated rat aortic rings that had been precontracted with norepinephrine. The effect of AGE was severely impaired in aortic rings lacking endothelium. In addition, the effect of AGE was inhibited by a nitric oxide synthase (NOS) inhibitor and a nitric oxide (NO) scavenger. Moreover, AGE treatment of aorta significantly increased the NO production. When various constituents of AGE were tested, the vasorelaxation of aorta was observed only in the presence of L-arginine, a substrate of NOS. CONCLUSION AGE causes endothelium-dependent vasorelaxation of aorta via stimulation of NO production and that L-arginine in AGE serves as a key agent for NOS-mediated NO production.
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Affiliation(s)
- Miyuki Takashima
- Drug Discovery Laboratory, Wakunaga Pharmaceutical Co. Ltd., 1624 Shimokotachi, Koda-cho, Akitakata, Hiroshima 739-1195, Japan.
| | - Yuta Kanamori
- Drug Discovery Laboratory, Wakunaga Pharmaceutical Co. Ltd., 1624 Shimokotachi, Koda-cho, Akitakata, Hiroshima 739-1195, Japan
| | - Yukihiro Kodera
- Drug Discovery Laboratory, Wakunaga Pharmaceutical Co. Ltd., 1624 Shimokotachi, Koda-cho, Akitakata, Hiroshima 739-1195, Japan
| | - Naoaki Morihara
- Drug Discovery Laboratory, Wakunaga Pharmaceutical Co. Ltd., 1624 Shimokotachi, Koda-cho, Akitakata, Hiroshima 739-1195, Japan
| | - Koichi Tamura
- Drug Discovery Laboratory, Wakunaga Pharmaceutical Co. Ltd., 1624 Shimokotachi, Koda-cho, Akitakata, Hiroshima 739-1195, Japan
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267
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Wang Y, Wang H, Zhao X, Jin Y, Xiong H, Yuan J, Wu J. A β-diketonate–europium(iii) complex-based fluorescent probe for highly sensitive time-gated luminescence detection of copper and sulfide ions in living cells. NEW J CHEM 2017. [DOI: 10.1039/c7nj00802c] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A strongly fluorescent β-diketonate–europium(iii) complex was developed for highly sensitive imaging of intracellular copper and sulfide ions with time-gated luminescence mode.
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Affiliation(s)
- Yiren Wang
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- China
| | - Huan Wang
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- China
| | - Xing Zhao
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- China
| | - Yuting Jin
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- China
| | - Houqing Xiong
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- China
| | - Jingli Yuan
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian 116024
- China
| | - Jing Wu
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- China
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268
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Hayashida R, Kondo K, Morita S, Unno K, Shintani S, Shimizu Y, Calvert JW, Shibata R, Murohara T. Diallyl Trisulfide Augments Ischemia-Induced Angiogenesis via an Endothelial Nitric Oxide Synthase-Dependent Mechanism. Circ J 2017; 81:870-878. [DOI: 10.1253/circj.cj-16-1097] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ryo Hayashida
- Department of Cardiology, Nagoya University Graduate School of Medicine
| | - Kazuhisa Kondo
- Department of Cardiology, Nagoya University Graduate School of Medicine
| | - Sumio Morita
- Department of Cardiology, Nagoya University Graduate School of Medicine
| | - Kazumasa Unno
- Department of Cardiology, Nagoya University Graduate School of Medicine
| | - Satoshi Shintani
- Department of Cardiology, Nagoya University Graduate School of Medicine
| | - Yuuki Shimizu
- Department of Cardiology, Nagoya University Graduate School of Medicine
- Division of Cardiothoracic Surgery, Department of Surgery, Emory University School of Medicine
| | - John W. Calvert
- Division of Cardiothoracic Surgery, Department of Surgery, Emory University School of Medicine
| | - Rei Shibata
- Department of Cardiology, Nagoya University Graduate School of Medicine
| | - Toyoaki Murohara
- Department of Cardiology, Nagoya University Graduate School of Medicine
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269
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Leung SWS, Vanhoutte PM. Endothelium-dependent hyperpolarization: age, gender and blood pressure, do they matter? Acta Physiol (Oxf) 2017; 219:108-123. [PMID: 26548576 DOI: 10.1111/apha.12628] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Revised: 09/21/2015] [Accepted: 11/02/2015] [Indexed: 12/14/2022]
Abstract
Under physiological conditions, the endothelium generates vasodilator signals [prostacyclin, nitric oxide NO and endothelium-dependent hyperpolarization (EDH)], for the regulation of vascular tone. The relative importance of these two signals depends on the diameter of the blood vessels: as the diameter of the arteries decreases, the contribution of EDH to the regulation of vascular tone increases. The mechanism involved in EDH varies with species and blood vessel types; nevertheless, activation of endothelial intermediate- and small-conductance calcium-activated potassium channels (IKCa and SKCa , respectively) is characteristic of the EDH pathway. IKCa - and SKCa -mediated EDH are reduced with endothelial dysfunction, which develops with ageing and hypertension, and is less pronounced in female than in age-matched male until after menopause. Impaired EDH-mediated relaxation is related to a reduced involvement of SKCa , so that the response becomes more dependent on IKCa . The latter depends on the activation of adenosine monophosphate-activated protein kinase (AMPK) and silent information regulator T1 (SIRT1), proteins associated with the process of cellular senescence and vascular signalling in response to the female hormone. An understanding of the role of AMPK and/or SIRT1 in EDH-like responses may help identifying effective pharmacological strategies to prevent the development of vascular complications of different aetiologies.
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Affiliation(s)
- S. W. S. Leung
- Department of Pharmacology & Pharmacy; University of Hong Kong; Hong Kong Hong Kong SAR China
| | - P. M. Vanhoutte
- Department of Pharmacology & Pharmacy; University of Hong Kong; Hong Kong Hong Kong SAR China
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270
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Functional and Molecular Insights of Hydrogen Sulfide Signaling and Protein Sulfhydration. J Mol Biol 2016; 429:543-561. [PMID: 28013031 DOI: 10.1016/j.jmb.2016.12.015] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 12/08/2016] [Accepted: 12/12/2016] [Indexed: 12/23/2022]
Abstract
Hydrogen sulfide (H2S), a novel gasotransmitter, is endogenously synthesized by multiple enzymes that are differentially expressed in the peripheral tissues and central nervous systems. H2S regulates a wide range of physiological processes, namely cardiovascular, neuronal, immune, respiratory, gastrointestinal, liver, and endocrine systems, by influencing cellular signaling pathways and sulfhydration of target proteins. This review focuses on the recent progress made in H2S signaling that affects mechanistic and functional aspects of several biological processes such as autophagy, inflammation, proliferation and differentiation of stem cell, cell survival/death, and cellular metabolism under both physiological and pathological conditions. Moreover, we highlighted the cross-talk between nitric oxide and H2S in several bilogical contexts.
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271
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Akoumianakis I, Tarun A, Antoniades C. Perivascular adipose tissue as a regulator of vascular disease pathogenesis: identifying novel therapeutic targets. Br J Pharmacol 2016; 174:3411-3424. [PMID: 27976387 DOI: 10.1111/bph.13666] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Revised: 10/04/2016] [Accepted: 10/28/2016] [Indexed: 12/23/2022] Open
Abstract
Adipose tissue (AT) is an active endocrine organ with the ability to dynamically secrete a wide range of adipocytokines. Importantly, its secretory profile is altered in various cardiovascular disease states. AT surrounding vessels, or perivascular AT (PVAT), is recognized in particular as an important local regulator of vascular function and dysfunction. Specifically, PVAT has the ability to sense vascular paracrine signals and respond by secreting a variety of vasoactive adipocytokines. Due to the crucial role of PVAT in regulating many aspects of vascular biology, it may constitute a novel therapeutic target for the prevention and treatment of vascular disease pathogenesis. Signalling pathways in PVAT, such as those using adiponectin, H2 S, glucagon-like peptide 1 or pro-inflammatory cytokines, are among the potential novel pharmacological therapeutic targets of PVAT. LINKED ARTICLES This article is part of a themed section on Molecular Mechanisms Regulating Perivascular Adipose Tissue - Potential Pharmacological Targets? To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.20/issuetoc.
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Affiliation(s)
- Ioannis Akoumianakis
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford
| | - Akansha Tarun
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford
| | - Charalambos Antoniades
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford
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272
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Aydinoglu F, Ogulener N. Characterization of relaxant mechanism of H2 S in mouse corpus cavernosum. Clin Exp Pharmacol Physiol 2016; 43:503-11. [PMID: 26845078 DOI: 10.1111/1440-1681.12554] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 01/28/2016] [Accepted: 01/29/2016] [Indexed: 01/22/2023]
Abstract
The aim of this study was to investigate the mechanism of H2 S-induced relaxation in mouse corpus cavernosal tissue. l-cysteine (10(-6) × 10(-3) mol/L) and exogenous H2 S (NaHS; 10(-6) to 10(-3) mol/L) induced concentration-dependent relaxation. l-cysteine-induced relaxations was reduced by d,l-propargylglycine, a cystathionine gamma lyase (CSE) inhibitor but not influenced by aminooxyacetic acid, a cystathionine beta synthase (CBS) inhibitor. l-cysteine induced relaxations, but not of those of H2 S diminished in endothelium-denuded tissues. N(ω) -nitro-l-arginine (l-NA; 10(-4) mol/L), a nitric oxide synthase inhibitor, and ODQ (10(-4) mol/L), a guanylyl cyclase inhibitor, increased the H2 S-induced relaxation. Zaprinast (5 × 10(-6) mol/L) and sildenafil (10(-6) mol/L), phosphodiesterase inhibitors, inhibited H2 S-induced relaxation. Adenylyl cyclase inhibitors N-ethylmaleimide (2.5 × 10(-5) mol/L) and SQ22536 (10(-4) mol/L) reduced relaxation to H2 S. Also, H2 S-induced relaxation was reduced by KCl (50 mmol/L), 4-aminopyridine (10(-3) mol/L), a Kv inhibitor, glibenclamide (10(-5) mol/L), a KATP inhibitor or barium chloride (10(-5) mol/L), a KIR inhibitor. However, H2 S-induced relaxation was not influenced by apamin (10(-6) mol/L), a SKC a (2+) inhibitor, charybdotoxin (10(-7) mol/L), an IKC a (2+) and BKC a (2+) inhibitor or combination of apamin and charybdotoxin. Nifedipine (10(-6) mol/L), an L-type calcium channel blocker and atropine (10(-6) mol/L), a muscarinic receptor blocker, inhibited H2 S-induced relaxation. However, H2 S-induced relaxation was not influenced by ouabain (10(-4) mol/L), a Na(+) /K(+) -ATPase inhibitor. This study suggests that H2 S endogenously synthesizes from l-cysteine by CSE endothelium-dependent in mouse corpus cavernosum tissue, and exogenous H2 S may cause endothelium-independent relaxations via activation of K channels (KATP channel, KV channels, KIR channels), L-type voltage-gated Ca(2+) channels, adenylyl cyclase/cAMP pathway and muscarinic receptor, and there is the interaction between H2 S and NO/cGMP.
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Affiliation(s)
- Fatma Aydinoglu
- Department of Pharmacology, Pharmacy Faculty, Çukurova University, Adana, Turkey
| | - Nuran Ogulener
- Department of Pharmacology, Medical Faculty, Çukurova University, Adana, Turkey
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273
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Woehlck HJ, Boettcher BT, Lauer KK, Cronin DC, Hong JC, Zimmerman MA, Kim J, Selim M. Hydroxocobalamin for Vasoplegic Syndrome in Liver Transplantation. ACTA ACUST UNITED AC 2016; 7:247-250. [DOI: 10.1213/xaa.0000000000000398] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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274
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Xia N, Li H. The role of perivascular adipose tissue in obesity-induced vascular dysfunction. Br J Pharmacol 2016; 174:3425-3442. [PMID: 27761903 PMCID: PMC5610151 DOI: 10.1111/bph.13650] [Citation(s) in RCA: 132] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2016] [Revised: 09/29/2016] [Accepted: 10/06/2016] [Indexed: 12/18/2022] Open
Abstract
Under physiological conditions, perivascular adipose tissue (PVAT) attenuates agonist‐induced vasoconstriction by releasing vasoactive molecules including hydrogen peroxide, angiotensin 1–7, adiponectin, methyl palmitate, hydrogen sulfide, NO and leptin. This anticontractile effect of PVAT is lost under conditions of obesity. The central mechanism underlying this PVAT dysfunction in obesity is likely to be an ‘obesity triad’ (consisting of PVAT hypoxia, inflammation and oxidative stress) that leads to the impairment of PVAT‐derived vasoregulators. The production of hydrogen sulfide, NO and adiponectin by PVAT is reduced in obesity, whereas the vasodilator response to leptin is impaired (vascular leptin resistance). Strikingly, the vasodilator response to acetylcholine is reduced only in PVAT‐containing, but not in PVAT‐free thoracic aorta isolated from diet‐induced obese mice, indicating a unique role for PVAT in obesity‐induced vascular dysfunction. Furthermore, PVAT dysfunction has also been observed in small arteries isolated from the gluteal/visceral fat biopsy samples of obese individuals. Therefore, PVAT may represent a new therapeutic target for vascular complications in obesity. A number of approaches are currently being tested under experimental conditions. Potential therapeutic strategies improving PVAT function include body weight reduction, enhancing PVAT hydrogen sulfide release (e.g. rosiglitazone, atorvastatin and cannabinoid CB1 receptor agonists) and NO production (e.g. arginase inhibitors), inhibition of the renin–angiotensin–aldosterone system, inhibition of inflammation with melatonin or cytokine antagonists, activators of AMP‐activated kinase (e.g. metformin, resveratrol and diosgenin) and adiponectin releasers or expression enhancers. Linked Articles This article is part of a themed section on Molecular Mechanisms Regulating Perivascular Adipose Tissue – Potential Pharmacological Targets? To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.20/issuetoc
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Affiliation(s)
- Ning Xia
- Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - Huige Li
- Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany.,Center for Translational Vascular Biology (CTVB), Johannes Gutenberg University, Mainz, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
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275
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Abstract
SIGNIFICANCE Hydrogen sulfide (H2S) has only recently gained recognition for its physiological effects. It is synthesized widely in the mammalian tissues and regulates several biologic processes ranging from development, angiogenesis, neurotransmission to protein synthesis. Recent Advances: The aim of this review is to critically evaluate the evidence for a role for H2S in kidney function and disease. CRITICAL ISSUES H2S regulates fundamental kidney physiologic processes such as glomerular filtration and sodium reabsorption. In kidney disease states H2S appears to play a complex role in a context-dependent manner. In some disease states such as ischemia-reperfusion and diabetic kidney disease it can serve as an agent that ameliorates kidney injury. In other diseases such as cis-platinum-induced kidney disease it may mediate kidney injury although more investigation is needed. Recent studies have revealed that the actions of nitric oxide and H2S may be integrated in kidney cells. FUTURE DIRECTIONS Further studies are needed to understand the full impact of H2S on kidney physiology. As it is endowed with the properties of regulating blood flow, oxidative stress, and inflammation, H2S should be investigated for its role in inflammatory and toxic diseases of the kidney. Such in-depth exploration may identify specific kidney diseases in which H2S may constitute a unique target for therapeutic intervention. Antioxid. Redox Signal. 25, 720-731.
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Affiliation(s)
- Denis Feliers
- 1 Division of Nephrology, Department of Medicine, University of Texas Health Science Center , San Antonio, Texas
| | - Hak Joo Lee
- 1 Division of Nephrology, Department of Medicine, University of Texas Health Science Center , San Antonio, Texas.,2 South Texas Veterans Healthcare System , San Antonio, Texas
| | - Balakuntalam S Kasinath
- 1 Division of Nephrology, Department of Medicine, University of Texas Health Science Center , San Antonio, Texas.,2 South Texas Veterans Healthcare System , San Antonio, Texas
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276
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Módis K, Ju Y, Ahmad A, Untereiner AA, Altaany Z, Wu L, Szabo C, Wang R. S-Sulfhydration of ATP synthase by hydrogen sulfide stimulates mitochondrial bioenergetics. Pharmacol Res 2016; 113:116-124. [PMID: 27553984 PMCID: PMC5107138 DOI: 10.1016/j.phrs.2016.08.023] [Citation(s) in RCA: 129] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 07/12/2016] [Accepted: 08/18/2016] [Indexed: 11/15/2022]
Abstract
Mammalian cells can utilize hydrogen sulfide (H2S) to support mitochondrial respiration. The aim of our study was to explore the potential role of S-sulfhydration (a H2S-induced posttranslational modification, also known as S-persulfidation) of the mitochondrial inner membrane protein ATP synthase (F1F0 ATP synthase/Complex V) in the regulation of mitochondrial bioenergetics. Using a biotin switch assay, we have detected S-sulfhydration of the α subunit (ATP5A1) of ATP synthase in response to exposure to H2S in vitro. The H2S generator compound NaHS induced S-sulfhydration of ATP5A1 in HepG2 and HEK293 cell lysates in a concentration-dependent manner (50-300μM). The activity of immunocaptured mitochondrial ATP synthase enzyme isolated from HepG2 and HEK293 cells was stimulated by NaHS at low concentrations (10-100nM). Site-directed mutagenesis of ATP5A1 in HEK293 cells demonstrated that cysteine residues at positions 244 and 294 are subject to S-sulfhydration. The double mutant ATP synthase protein (C244S/C294S) showed a significantly reduced enzyme activity compared to control and the single-cysteine-mutated recombinant proteins (C244S or C294S). To determine whether endogenous H2S plays a role in the basal S-sulfhydration of ATP synthase in vivo, we compared liver tissues harvested from wild-type mice and mice deficient in cystathionine-gamma-lyase (CSE, one of the three principal mammalian H2S-producing enzymes). Significantly reduced S-sulfhydration of ATP5A1 was observed in liver homogenates of CSE-/- mice, compared to wild-type mice, suggesting a physiological role for CSE-derived endogenous H2S production in the S-sulfhydration of ATP synthase. Various forms of critical illness (including burn injury) upregulate H2S-producing enzymes and stimulate H2S biosynthesis. In liver tissues collected from mice subjected to burn injury, we detected an increased S-sulfhydration of ATP5A1 at the early time points post-burn. At later time points (when systemic H2S levels decrease) S-sulfhydration of ATP5A1 decreased as well. In conclusion, H2S induces S-sulfhydration of ATP5A1 at C244 and C294. This post-translational modification may be a physiological mechanism to maintain ATP synthase in a physiologically activated state, thereby supporting mitochondrial bioenergetics. The sulfhydration of ATP synthase may be a dynamic process, which may be regulated by endogenous H2S levels under various pathophysiological conditions.
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Affiliation(s)
- Katalin Módis
- Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, ON, Canada; Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA; Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA
| | - YoungJun Ju
- Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, ON, Canada
| | - Akbar Ahmad
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA
| | - Ashley A Untereiner
- Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, ON, Canada; Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA
| | - Zaid Altaany
- Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, ON, Canada
| | - Lingyun Wu
- School of Human Kinesiology, Laurentian University, Sudbury, ON, Canada
| | - Csaba Szabo
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA.
| | - Rui Wang
- Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, ON, Canada; Department of Biology, Laurentian University, ON, Canada.
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277
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Yuan S, Kevil CG. Nitric Oxide and Hydrogen Sulfide Regulation of Ischemic Vascular Remodeling. Microcirculation 2016; 23:134-45. [PMID: 26381654 DOI: 10.1111/micc.12248] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2015] [Accepted: 09/13/2015] [Indexed: 12/22/2022]
Abstract
Blockage or restriction of blood flow through conduit arteries results in tissue ischemia downstream of the disturbed area. Local tissues can adapt to this challenge by stimulating vascular remodeling through angiogenesis and arteriogenesis thereby restoring blood perfusion and removal of wastes. Multiple molecular mechanisms of vascular remodeling during ischemia have been identified and extensively studied. However, therapeutic benefits from these findings and insights are limited due to the complexity of various signaling networks and a lack of understanding central metabolic regulators governing these responses. The gasotransmitters NO and H2 S have emerged as master regulators that influence multiple molecular targets necessary for ischemic vascular remodeling. In this review, we discuss how NO and H2 S are individually regulated under ischemia, what their roles are in angiogenesis and arteriogenesis, and how their interaction controls ischemic vascular remodeling.
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Affiliation(s)
- Shuai Yuan
- Departments of Pathology, Molecular and Cellular Physiology, and Cell Biology and Anatomy, LSU Health Shreveport, Shreveport, Louisiana, USA
| | - Christopher G Kevil
- Departments of Pathology, Molecular and Cellular Physiology, and Cell Biology and Anatomy, LSU Health Shreveport, Shreveport, Louisiana, USA
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278
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Cao X, Bian JS. The Role of Hydrogen Sulfide in Renal System. Front Pharmacol 2016; 7:385. [PMID: 27803669 PMCID: PMC5067532 DOI: 10.3389/fphar.2016.00385] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 10/03/2016] [Indexed: 12/21/2022] Open
Abstract
Hydrogen sulfide has gained recognition as the third gaseous signaling molecule after nitric oxide and carbon monoxide. This review surveys the emerging role of H2S in mammalian renal system, with emphasis on both renal physiology and diseases. H2S is produced redundantly by four pathways in kidney, indicating the abundance of this gaseous molecule in the organ. In physiological conditions, H2S was found to regulate the excretory function of the kidney possibly by the inhibitory effect on sodium transporters on renal tubular cells. Likewise, it also influences the release of renin from juxtaglomerular cells and thereby modulates blood pressure. A possible role of H2S as an oxygen sensor has also been discussed, especially at renal medulla. Alternation of H2S level has been implicated in various pathological conditions such as renal ischemia/reperfusion, obstructive nephropathy, diabetic nephropathy, and hypertensive nephropathy. Moreover, H2S donors exhibit broad beneficial effects in renal diseases although a few conflicts need to be resolved. Further research reveals that multiple mechanisms are underlying the protective effects of H2S, including anti-inflammation, anti-oxidation, and anti-apoptosis. In the review, several research directions are also proposed including the role of mitochondrial H2S in renal diseases, H2S delivery to kidney by targeting D-amino acid oxidase/3-mercaptopyruvate sulfurtransferase (DAO/3-MST) pathway, effect of drug-like H2S donors in kidney diseases and understanding the molecular mechanism of H2S. The completion of the studies in these directions will not only improves our understanding of renal H2S functions but may also be critical to translate H2S to be a new therapy for renal diseases.
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Affiliation(s)
| | - Jin-Song Bian
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of SingaporeSingapore, Singapore
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279
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Wang M, Hu Y, Fan Y, Guo Y, Chen F, Chen S, Li Q, Chen Z. Involvement of Hydrogen Sulfide in Endothelium-Derived Relaxing Factor-Mediated Responses in Rat Cerebral Arteries. J Vasc Res 2016; 53:172-185. [DOI: 10.1159/000448712] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 07/26/2016] [Indexed: 11/19/2022] Open
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280
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Naik JS, Osmond JM, Walker BR, Kanagy NL. Hydrogen sulfide-induced vasodilation mediated by endothelial TRPV4 channels. Am J Physiol Heart Circ Physiol 2016; 311:H1437-H1444. [PMID: 27765747 DOI: 10.1152/ajpheart.00465.2016] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 09/30/2016] [Indexed: 01/03/2023]
Abstract
Hydrogen sulfide (H2S) is a recently described gaseous vasodilator produced within the vasculature by the enzymes cystathionine γ-lyase and 3-mercaptopyruvate sulfurtransferase. Previous data demonstrate that endothelial cells (EC) are the source of endogenous H2S production and are required for H2S-induced dilation. However, the signal transduction pathway activated by H2S within EC has not been elucidated. TRPV4 and large-conductance Ca2+-activated K channels (BK channels) are expressed in EC. H2S-induced dilation is inhibited by luminal administration of iberiotoxin and disruption of the endothelium. Calcium influx through TRPV4 may activate these endothelial BK channels (eBK). We hypothesized that H2S-mediated vasodilation involves activation of TRPV4 within the endothelium. In pressurized, phenylephrine-constricted mesenteric arteries, H2S elicited a dose-dependent vasodilation blocked by inhibition of TRPV4 channels (GSK2193874A, 300 nM). H2S (1 μM) increased TRPV4-dependent (1.8-fold) localized calcium events in EC of pressurized arteries loaded with fluo-4 and Oregon Green. In pressurized EC tubes, H2S (1 μM) and the TRPV4 activator, GSK101679A (30 nM), increased calcium events 1.8- and 1.5-fold, respectively. H2S-induced an iberiotoxin-sensitive outward current measured using whole cell patch-clamp techniques in freshly dispersed EC. H2S increased K+ currents from 10 to 30 pA/pF at +150 mV. Treatment with Na2S increased the level of sulfhydration of TRPV4 channels in aortic ECs. These results demonstrate that H2S-mediated vasodilation involves activation of TRPV4-dependent Ca2+ influx and BK channel activation within EC. Activation of TRPV4 channels appears to cause calcium events that result in the opening of eBK channels, endothelial hyperpolarization, and subsequent vasodilation.
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Affiliation(s)
- Jay S Naik
- Department of Cell Biology and Physiology, University of New Mexico, Albuquerque, New Mexico
| | - Jessica M Osmond
- Department of Cell Biology and Physiology, University of New Mexico, Albuquerque, New Mexico
| | - Benjimen R Walker
- Department of Cell Biology and Physiology, University of New Mexico, Albuquerque, New Mexico
| | - Nancy L Kanagy
- Department of Cell Biology and Physiology, University of New Mexico, Albuquerque, New Mexico
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281
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Meng G, Xiao Y, Ma Y, Tang X, Xie L, Liu J, Gu Y, Yu Y, Park CM, Xian M, Wang X, Ferro A, Wang R, Moore PK, Zhang Z, Wang H, Han Y, Ji Y. Hydrogen Sulfide Regulates Krüppel-Like Factor 5 Transcription Activity via Specificity Protein 1 S-Sulfhydration at Cys664 to Prevent Myocardial Hypertrophy. J Am Heart Assoc 2016; 5:JAHA.116.004160. [PMID: 27638782 PMCID: PMC5079055 DOI: 10.1161/jaha.116.004160] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background Hydrogen sulfide (H2S) is a gasotransmitter that regulates multiple cardiovascular functions. Krüppel‐like factor 5 (KLF5) exerts diverse functions in the cardiovascular system. Whether and how H2S regulates KLF5 in myocardial hypertrophy is unknown. Methods and Results In our study, hypertrophic myocardial samples in the clinic were collected and underwent histological and molecular biological analysis. Spontaneously hypertensive rats and neonatal rat cardiomyocytes were studied for functional and signaling responses to GYY4137, an H2S‐releasing compound. Expression of cystathionine γ‐lyase, a principal enzyme for H2S generation in heart, decreased in human hypertrophic myocardium, whereas KLF5 expression increased. After GYY4137 administration for 4 weeks, myocardial hypertrophy was inhibited in spontaneously hypertensive rats, as demonstrated by improvement in cardiac structural parameters, heart mass, size of cardiac myocytes, and expression of atrial natriuretic peptide. H2S diminished expression of KLF5 in myocardium of spontaneously hypertensive rats and in hypertrophic cardiomyocytes. H2S also inhibits platelet‐derived growth factor A promoter activity, decreased recruitment of KLF5 to the platelet‐derived growth factor A promoter, and reduced atrial natriuretic peptide expression in angiotensin II–stimulated cardiomyocytes, and these effects are suppressed by KLF5 knockdown. KLF5 promoter activity and KLF5 expression was also reversed by H2S. H2S increased the S‐sulfhydration on specificity protein 1 in cardiomyocytes. Moreover, H2S decreased KLF5 promoter activity; reduced KLF5 mRNA expression; attenuated specificity protein 1 binding activity with KLF5 promoter; and inhibited hypertrophy after specificity protein 1 mutated at Cys659, Cys689, and Cys692 but not Cys664 overexpression. Conclusions These findings suggest that H2S regulates KLF5 transcription activity via specificity protein 1 S‐sulfhydration at Cys664 to prevent myocardial hypertrophy.
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Affiliation(s)
- Guoliang Meng
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University, Nanjing, China Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, China
| | - Yujiao Xiao
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University, Nanjing, China Department of Pathology, Jincheng People's Hospital, Jincheng, China
| | - Yan Ma
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University, Nanjing, China
| | - Xin Tang
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University, Nanjing, China
| | - Liping Xie
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University, Nanjing, China
| | - Jieqiong Liu
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University, Nanjing, China
| | - Yue Gu
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University, Nanjing, China
| | - Ying Yu
- Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Chung-Min Park
- Department of Chemistry, Washington State University, Pullman, WA
| | - Ming Xian
- Department of Chemistry, Washington State University, Pullman, WA
| | - Xin Wang
- Faculty of Life Sciences, The University of Manchester, UK
| | - Albert Ferro
- Cardiovascular Division, Department of Clinical Pharmacology, British Heart Foundation Centre of Research Excellence, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Rui Wang
- Department of Biology, Laurentian University, Sudbury, Canada
| | - Philip K Moore
- Department of Pharmacology, National University of Singapore, Singapore
| | - Zhiren Zhang
- Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Third Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hong Wang
- Department of Pharmacology, Centers for Metabolic Disease Research, Cardiovascular Research, and Thrombosis Research, Temple University School of Medicine, Philadelphia, PA
| | - Yi Han
- Department of Geriatrics, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yong Ji
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University, Nanjing, China School of Pharmacy, Nanjing Medical University, Nanjing, China
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282
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Yagdi E, Cerella C, Dicato M, Diederich M. Garlic-derived natural polysulfanes as hydrogen sulfide donors: Friend or foe? Food Chem Toxicol 2016; 95:219-33. [DOI: 10.1016/j.fct.2016.07.016] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Revised: 07/13/2016] [Accepted: 07/14/2016] [Indexed: 02/06/2023]
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283
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Potassium Channels in Regulation of Vascular Smooth Muscle Contraction and Growth. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2016; 78:89-144. [PMID: 28212804 DOI: 10.1016/bs.apha.2016.07.001] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Potassium channels importantly contribute to the regulation of vascular smooth muscle (VSM) contraction and growth. They are the dominant ion conductance of the VSM cell membrane and importantly determine and regulate membrane potential. Membrane potential, in turn, regulates the open-state probability of voltage-gated Ca2+ channels (VGCC), Ca2+ influx through VGCC, intracellular Ca2+, and VSM contraction. Membrane potential also affects release of Ca2+ from internal stores and the Ca2+ sensitivity of the contractile machinery such that K+ channels participate in all aspects of regulation of VSM contraction. Potassium channels also regulate proliferation of VSM cells through membrane potential-dependent and membrane potential-independent mechanisms. VSM cells express multiple isoforms of at least five classes of K+ channels that contribute to the regulation of contraction and cell proliferation (growth). This review will examine the structure, expression, and function of large conductance, Ca2+-activated K+ (BKCa) channels, intermediate-conductance Ca2+-activated K+ (KCa3.1) channels, multiple isoforms of voltage-gated K+ (KV) channels, ATP-sensitive K+ (KATP) channels, and inward-rectifier K+ (KIR) channels in both contractile and proliferating VSM cells.
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284
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Kimura H. Hydrogen polysulfide (H 2S n ) signaling along with hydrogen sulfide (H 2S) and nitric oxide (NO). J Neural Transm (Vienna) 2016; 123:1235-1245. [PMID: 27484215 DOI: 10.1007/s00702-016-1600-z] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 07/19/2016] [Indexed: 01/22/2023]
Abstract
Hydrogen sulfide (H2S) is a physiological mediator with various roles, including neuro-modulation, vascular tone regulation, and cytoprotection against ischemia-reperfusion injury, angiogenesis, and oxygen sensing. Hydrogen polysulfide (H2S n ), which possesses a higher number of sulfur atoms than H2S, recently emerged as a potential signaling molecule that regulates the activity of ion channels, a tumor suppressor, transcription factors, and protein kinases. Some of the previously reported effects of H2S are now attributed to the more potent H2S n . H2S n is produced by 3-mercaptopyruvate sulfurtransferase (3MST) from 3-mercaptopyruvate (3MP) and is generated by the chemical interaction of H2S with nitric oxide (NO). H2S n sulfhydrates (sulfurates) cysteine residues of target proteins and modifies their activity, whereas H2S sulfurates oxidized cysteine residues as well as reduces cysteine disulfide bonds. This review focuses on the recent progress made in studies concerning the production and physiological roles of H2S n and H2S.
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Affiliation(s)
- Hideo Kimura
- Department of Molecular Pharmacology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4-1-1 Ogawahigashi, Kodaira, Tokyo, 187-8502, Japan.
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285
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Hydrogen sulfide mediates the protection of dietary restriction against renal senescence in aged F344 rats. Sci Rep 2016; 6:30292. [PMID: 27456368 PMCID: PMC4960595 DOI: 10.1038/srep30292] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 07/01/2016] [Indexed: 12/02/2022] Open
Abstract
Renal aging is always accompanied by increased oxidative stress. Hydrogen sulfide (H2S) can be up-regulated by 50% dietary restriction (DR) for 7-day and can block mitochondrial oxidative stress. H2S production exerts a critical role in yeast, worm, and fruit fly models of DR-mediated longevity. In this study, we found that renal aging could be attenuated by 30% DR for 6-month (DR-6M) and life-long (DR-LL), but not for 6-week (DR-6W). The expressions of cystathionine-γ-lyase (CGL) and cystathionine-β- synthase (CBS) were improved by DR-6M and DR-LL. Endogenous H2S production shared the same trend with CBS and CGL, while glutathione (GSH) didn’t. When comparing efficiencies of DR for different durations, more evident production of H2S was found in DR-6M and DR-LL than in DR-6W. Finally the level of oxidative stress was improved by DR-6M and DR-LL rather than by DR-6W. It concluded that aged rats had the ability to produce enough H2S on 30% DR interventions protecting against renal aging, and the effect of DR for long-term were more significant than that of DR for short-term.
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286
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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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287
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Longen S, Richter F, Köhler Y, Wittig I, Beck KF, Pfeilschifter J. Quantitative Persulfide Site Identification (qPerS-SID) Reveals Protein Targets of H2S Releasing Donors in Mammalian Cells. Sci Rep 2016; 6:29808. [PMID: 27411966 PMCID: PMC4944133 DOI: 10.1038/srep29808] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 06/21/2016] [Indexed: 12/20/2022] Open
Abstract
H2S is an important signalling molecule involved in diverse biological processes. It mediates the formation of cysteine persulfides (R-S-SH), which affect the activity of target proteins. Like thiols, persulfides show reactivity towards electrophiles and behave similarly to other cysteine modifications in a biotin switch assay. In this manuscript, we report on qPerS-SID a mass spectrometry-based method allowing the isolation of persulfide containing peptides in the mammalian proteome. With this method, we demonstrated that H2S donors differ in their efficacy to induce persulfides in HEK293 cells. Furthermore, data analysis revealed that persulfide formation affects all subcellular compartments and various cellular processes. Negatively charged amino acids appeared more frequently adjacent to cysteines forming persulfides. We confirmed our proteomic data using pyruvate kinase M2 as a model protein and showed that several cysteine residues are prone to persulfide formation finally leading to its inactivation. Taken together, the site-specific identification of persulfides on a proteome scale can help to identify target proteins involved in H2S signalling and enlightens the biology of H2S and its releasing agents.
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Affiliation(s)
- Sebastian Longen
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
| | - Florian Richter
- Functional Proteomics, SFB 815 Core Unit, Goethe University Frankfurt, Frankfurt, Germany
| | - Yvette Köhler
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
| | - Ilka Wittig
- Functional Proteomics, SFB 815 Core Unit, Goethe University Frankfurt, Frankfurt, Germany
| | - Karl-Friedrich Beck
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
| | - Josef Pfeilschifter
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
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288
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Li YL, Zhou J, Zhang H, Luo Y, Long LH, Hu ZL, Chen JG, Wang F, Wu PF. Hydrogen Sulfide Promotes Surface Insertion of Hippocampal AMPA Receptor GluR1 Subunit via Phosphorylating at Serine-831/Serine-845 Sites Through a Sulfhydration-Dependent Mechanism. CNS Neurosci Ther 2016; 22:789-98. [PMID: 27380893 DOI: 10.1111/cns.12585] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2016] [Revised: 05/13/2016] [Accepted: 06/10/2016] [Indexed: 12/14/2022] Open
Abstract
AIMS Hydrogen sulfide (H2 S) has been widely accepted as a gas neuromodulator to regulate synaptic function. Herein, we set out to determine the effect of H2 S on α-amino-3-hydroxy-5-methylisoxazole-4-propionic acid receptor (AMPAR) and its mechanism. METHODS BS(3) protein cross-linking, Western blot, patch clamp, and biotin-switch assay. RESULTS Bath application of H2 S donor NaHS (50 and 100 μM) rapidly promoted surface insertion of hippocampal AMPAR GluR1 subunit. This effect can be abolished by dithiothreitol (DTT) and mimicked by Na2 S4 , indicating that a sulfhydration-dependent mechanism may be involved. NaHS increased APMAR-mediated EPSC and led to an elevation of GluR2-lacking AMPAR content. Notably, NaHS did not increase the sulfhydration of AMPAR subunits, but it significantly increased the phosphorylation of GluR1 at serine-831 and serine-845 sites. Postsynaptic signal pathways that control GluR1 phosphorylation, such as protein kinase A (PKA), protein kinase C, and calcium/calmodulin-dependent protein kinases II (CaMKII), were sulfhydrated, activated by NaHS, and these effects can be occluded by DTT. H2 S increased S-sulfhydration of protein phosphatase type 2A (PP2A), which may be partially involved in the activation of signal pathways. CONCLUSION Our data suggest that H2 S promotes surface insertion of AMPARs via phosphorylation of GluR1, which depends on a sulfhydration-mediated mechanism.
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Affiliation(s)
- Yuan-Long Li
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jun Zhou
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hai Zhang
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yi Luo
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Li-Hong Long
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.,Key Laboratory of Neurological Diseases (HUST), Ministry of Education of China, Wuhan, Hubei, China.,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, Hubei, China.,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhuang-Li Hu
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.,Key Laboratory of Neurological Diseases (HUST), Ministry of Education of China, Wuhan, Hubei, China.,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, Hubei, China.,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jian-Guo Chen
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.,Key Laboratory of Neurological Diseases (HUST), Ministry of Education of China, Wuhan, Hubei, China.,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, Hubei, China.,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Fang Wang
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.,Key Laboratory of Neurological Diseases (HUST), Ministry of Education of China, Wuhan, Hubei, China.,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, Hubei, China.,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Peng-Fei Wu
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.,Key Laboratory of Neurological Diseases (HUST), Ministry of Education of China, Wuhan, Hubei, China.,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, Hubei, China.,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei, China
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289
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Wedmann R, Onderka C, Wei S, Szijártó IA, Miljkovic JL, Mitrovic A, Lange M, Savitsky S, Yadav PK, Torregrossa R, Harrer EG, Harrer T, Ishii I, Gollasch M, Wood ME, Galardon E, Xian M, Whiteman M, Banerjee R, Filipovic MR. Improved tag-switch method reveals that thioredoxin acts as depersulfidase and controls the intracellular levels of protein persulfidation. Chem Sci 2016; 7:3414-3426. [PMID: 27170841 PMCID: PMC4845716 DOI: 10.1039/c5sc04818d] [Citation(s) in RCA: 132] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Accepted: 02/09/2016] [Indexed: 01/01/2023] Open
Abstract
Hydrogen sulfide (H2S) has emerged as a signalling molecule capable of regulating several important physiological functions such as blood pressure, neurotransmission and inflammation. The mechanisms behind these effects are still largely elusive and oxidative posttranslational modification of cysteine residues (protein persulfidation or S-sulfhydration) has been proposed as the main pathway for H2S-induced biological and pharmacological effects. As a signalling mechanism, persulfidation has to be controlled. Using an improved tag-switch assay for persulfide detection we show here that protein persulfide levels are controlled by the thioredoxin system. Recombinant thioredoxin showed an almost 10-fold higher reactivity towards cysteine persulfide than towards cystine and readily cleaved protein persulfides as well. This reaction resulted in H2S release suggesting that thioredoxin could be an important regulator of H2S levels from persulfide pools. Inhibition of the thioredoxin system caused an increase in intracellular persulfides, highlighting thioredoxin as a major protein depersulfidase that controls H2S signalling. Finally, using plasma from HIV-1 patients that have higher circulatory levels of thioredoxin, we could prove depersulfidase role in vivo.
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Affiliation(s)
- Rudolf Wedmann
- Department of Chemistry and Pharmacy , Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany .
| | - Constantin Onderka
- Department of Chemistry and Pharmacy , Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany .
| | - Shengwei Wei
- Department of Chemistry and Pharmacy , Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany .
| | | | - Jan Lj Miljkovic
- Department of Chemistry and Pharmacy , Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany .
| | | | - Mike Lange
- Department of Chemistry and Pharmacy , Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany .
| | - Sergey Savitsky
- Department of Chemistry and Pharmacy , Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany .
| | - Pramod Kumar Yadav
- Department of Biological Chemistry , University of Michigan , Ann Arbor , USA
| | - Roberta Torregrossa
- University of Exeter Medical School , St. Luke's Campus , Exeter , UK ; Biosciences , College of Life and Environmental Sciences of Biosciences , University of Exeter , Streatham Campus , Exeter , Devon , UK
| | - Ellen G Harrer
- Infectious Diseases Section , Department of Internal Medicine 3 , Universitätsklinikum Erlangen , Friedrich-Alexander-University, Erlangen-Nürnberg , Germany
| | - Thomas Harrer
- Infectious Diseases Section , Department of Internal Medicine 3 , Universitätsklinikum Erlangen , Friedrich-Alexander-University, Erlangen-Nürnberg , Germany
| | - Isao Ishii
- Department of Biochemistry , Graduate School of Pharmaceutical Sciences , Keio University , Tokyo , Japan
| | - Maik Gollasch
- Charité Campus Virchow , Nephrology/Intensive Care , Berlin , Germany
| | - Mark E Wood
- Biosciences , College of Life and Environmental Sciences of Biosciences , University of Exeter , Streatham Campus , Exeter , Devon , UK
| | - Erwan Galardon
- UMR CNRS 8601 , Université Paris Descartes , Sorbonne Paris Cité , Paris , France
| | - Ming Xian
- Department of Chemistry , Washington State University , Pullman , USA
| | - Matthew Whiteman
- University of Exeter Medical School , St. Luke's Campus , Exeter , UK
| | - Ruma Banerjee
- Department of Biological Chemistry , University of Michigan , Ann Arbor , USA
| | - Milos R Filipovic
- Department of Chemistry and Pharmacy , Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany . ; Université de Bordeaux , IBGC , UMR 5095 , F-33077 Bordeaux , France ; CNRS , IBGC , UMR 5095 , F-33077 Bordeaux , France
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290
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McManus S, Tejera N, Awwad K, Vauzour D, Rigby N, Fleming I, Cassidy A, Minihane AM. Differential effects of EPA versus DHA on postprandial vascular function and the plasma oxylipin profile in men. J Lipid Res 2016; 57:1720-7. [PMID: 27170732 PMCID: PMC5003154 DOI: 10.1194/jlr.m067801] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Indexed: 12/12/2022] Open
Abstract
Our objective was to investigate the impact of EPA versus DHA on arterial stiffness and reactivity and underlying mechanisms (with a focus on plasma oxylipins) in the postprandial state. In a three-arm crossover acute test meal trial, men (n = 26, 35-55 years) at increased CVD risk received a high-fat (42.4 g) test meal providing 4.16 g of EPA or DHA or control oil in random order. At 0 h and 4 h, blood samples were collected to quantify plasma fatty acids, long chain n-3 PUFA-derived oxylipins, nitrite and hydrogen sulfide, and serum lipids and glucose. Vascular function was assessed using blood pressure, reactive hyperemia index, pulse wave velocity, and augmentation index (AIx). The DHA-rich oil significantly reduced AIx by 13% (P = 0.047) with the decrease following EPA-rich oil intervention not reaching statistical significance. Both interventions increased EPA- and DHA-derived oxylipins in the acute postprandial state, with an (1.3-fold) increase in 19,20-dihydroxydocosapentaenoic acid evident after DHA intervention (P < 0.001). In conclusion, a single dose of DHA significantly improved postprandial arterial stiffness as assessed by AIx, which if sustained would be associated with a significant decrease in CVD risk. The observed increases in oxylipins provide a mechanistic insight into the AIx effect.
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Affiliation(s)
- Seán McManus
- Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich NR4 7UQ, United Kingdom
| | - Noemi Tejera
- Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich NR4 7UQ, United Kingdom
| | - Khader Awwad
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, 60590 Frankfurt, Germany
| | - David Vauzour
- Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich NR4 7UQ, United Kingdom Institute of Food Research, Norwich NR4 7UA, United Kingdom
| | - Neil Rigby
- Institute of Food Research, Norwich NR4 7UA, United Kingdom
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, 60590 Frankfurt, Germany
| | - Aedin Cassidy
- Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich NR4 7UQ, United Kingdom
| | - Anne Marie Minihane
- Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich NR4 7UQ, United Kingdom
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291
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Candela J, Velmurugan GV, White C. Hydrogen sulfide depletion contributes to microvascular remodeling in obesity. Am J Physiol Heart Circ Physiol 2016; 310:H1071-80. [DOI: 10.1152/ajpheart.00062.2016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 03/10/2016] [Indexed: 12/22/2022]
Abstract
Structural remodeling of the microvasculature occurs during obesity. Based on observations that impaired H2S signaling is associated with cardiovascular pathologies, the current study was designed to test the hypothesis that altered H2S homeostasis is involved in driving the remodeling process in a diet-induced mouse model of obesity. The structural and passive mechanical properties of mesenteric resistance arterioles isolated from 30-wk-old lean and obese mice were assessed using pressure myography, and vessel H2S levels were quantified using the H2S indicator sulfidefluor 7-AM. Remodeling gene expression was assessed using quantitative RT-PCR, and histological staining was used to quantify vessel collagen and elastin. Obesity was found to be associated with decreased vessel H2S concentration, inward hypertrophic remodeling, altered collagen-to-elastin ratio, and reduced vessel stiffness. In addition, mRNA levels of fibronectin, collagen types I and III, matrix metalloproteinases 2 and 9, and tissue inhibitor of metalloproteinase 1 were increased and elastin was decreased by obesity. Evidence that decreased H2S was responsible for the genetic changes was provided by experiments in which H2S levels were manipulated, either by inhibition of the H2S-generating enzyme cystathionine γ-lyase with dl-propargylglycine or by incubation with the H2S donor GYY4137. These data suggest that, during obesity, depletion of H2S is involved in orchestrating the genetic changes underpinning inward hypertrophic remodeling in the microvasculature.
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Affiliation(s)
- Joseph Candela
- Department of Physiology and Biophysics, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois
| | - Gopal V. Velmurugan
- Department of Physiology and Biophysics, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois
| | - Carl White
- Department of Physiology and Biophysics, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois
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292
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Qin YR, You SJ, Zhang Y, Li Q, Wang XH, Wang F, Hu LF, Liu CF. Hydrogen sulfide attenuates ferric chloride-induced arterial thrombosis in rats. Free Radic Res 2016; 50:654-65. [PMID: 26982248 DOI: 10.3109/10715762.2016.1164311] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Yi-Ren Qin
- Department of Neurology, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, The Second Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Neuroscience, Soochow University, Suzhou, China
| | - Shou-Jiang You
- Department of Neurology, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yan Zhang
- Department of Neurology, Kunshan Hospital Affiliated to Jiangsu University, Kunshan, China
| | - Qian Li
- Institute of Neuroscience, Soochow University, Suzhou, China
- Department of Pharmacology, School of Pharmaceutical Science, Soochow University, Suzhou, China
| | - Xian-Hui Wang
- Department of Neurology, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Fen Wang
- Institute of Neuroscience, Soochow University, Suzhou, China
| | - Li-Fang Hu
- Department of Neurology, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, The Second Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Neuroscience, Soochow University, Suzhou, China
- Department of Pharmacology, School of Pharmaceutical Science, Soochow University, Suzhou, China
| | - Chun-Feng Liu
- Department of Neurology, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, The Second Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Neuroscience, Soochow University, Suzhou, China
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293
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Wang MJ, Cai WJ, Zhu YC. Hydrogen sulphide in cardiovascular system: A cascade from interaction between sulphur atoms and signalling molecules. Life Sci 2016; 153:188-97. [PMID: 27071836 DOI: 10.1016/j.lfs.2016.03.057] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 03/20/2016] [Accepted: 03/31/2016] [Indexed: 02/01/2023]
Abstract
As a gasotransmitter, hydrogen sulphide exerts its extensive physiological and pathophysiological effects in mammals. The interaction between sulphur atoms and signalling molecules forms a cascade that modulates cellular functions and homeostasis. In this review, we focus on the signalling mechanism underlying the effect of hydrogen sulphide in the cardiovascular system and metabolism as well as the biological relevance to human diseases.
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Affiliation(s)
- Ming-Jie Wang
- Research Center on Aging and Medicine, Fudan University, Shanghai Key Laboratory of Bioactive Small Molecules, Department of Physiology and Pathophysiology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wen-Jie Cai
- Department of Basic Medicine, College of Medical Instruments and Foodstuff, University of Shanghai for Science and Technology, Shanghai, China
| | - Yi-Chun Zhu
- Research Center on Aging and Medicine, Fudan University, Shanghai Key Laboratory of Bioactive Small Molecules, Department of Physiology and Pathophysiology, Shanghai Medical College, Fudan University, Shanghai, China.
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294
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Park CM, Weerasinghe L, Day JJ, Fukuto JM, Xian M. Persulfides: current knowledge and challenges in chemistry and chemical biology. MOLECULAR BIOSYSTEMS 2016; 11:1775-85. [PMID: 25969163 DOI: 10.1039/c5mb00216h] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Recent studies conducted in hydrogen sulfide (H2S) signaling have revealed potential importance of persulfides (RSSH) in redox biology. The inherent instability of RSSH makes these species difficult to study and sometimes controversial results are reported. In this review article we summarize known knowledge about both small molecule persulfides and protein persulfides. Their fundamental physical and chemical properties such as preparation/formation and reactivity are discussed. The biological implications of persulfides and their detection methods are also discussed.
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Affiliation(s)
- Chung-Min Park
- Department of Chemistry, Washington State University, Pullman, WA 99164, USA.
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295
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Rasmussen KMB, Braunstein TH, Salomonsson M, Brasen JC, Sorensen CM. Contribution of K(+) channels to endothelium-derived hypolarization-induced renal vasodilation in rats in vivo and in vitro. Pflugers Arch 2016; 468:1139-1149. [PMID: 26965146 DOI: 10.1007/s00424-016-1805-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 02/25/2016] [Accepted: 02/29/2016] [Indexed: 01/20/2023]
Abstract
We investigated the mechanisms behind the endothelial-derived hyperpolarization (EDH)-induced renal vasodilation in vivo and in vitro in rats. We assessed the role of Ca(2+)-activated K(+) channels and whether K(+) released from the endothelial cells activates inward rectifier K(+) (Kir) channels and/or the Na(+)/K(+)-ATPase. Also, involvement of renal myoendothelial gap junctions was evaluated in vitro. Isometric tension in rat renal interlobar arteries was measured using a wire myograph. Renal blood flow was measured in isoflurane anesthetized rats. The EDH response was defined as the ACh-induced vasodilation assessed after inhibition of nitric oxide synthase and cyclooxygenase using L-NAME and indomethacin, respectively. After inhibition of small conductance Ca(2+)-activated K(+) channels (SKCa) and intermediate conductance Ca(2+)-activated K(+) channels (IKCa) (by apamin and TRAM-34, respectively), the EDH response in vitro was strongly attenuated whereas the EDH response in vivo was not significantly reduced. Inhibition of Kir channels and Na(+)/K(+)-ATPases (by ouabain and Ba(2+), respectively) significantly attenuated renal vasorelaxation in vitro but did not affect the response in vivo. Inhibition of gap junctions in vitro using carbenoxolone or 18α-glycyrrhetinic acid significantly reduced the endothelial-derived hyperpolarization-induced vasorelaxation. We conclude that SKCa and IKCa channels are important for EDH-induced renal vasorelaxation in vitro. Activation of Kir channels and Na(+)/K(+)-ATPases plays a significant role in the renal vascular EDH response in vitro but not in vivo. The renal EDH response in vivo is complex and may consist of several overlapping mechanisms some of which remain obscure.
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Affiliation(s)
- Kasper Moller Boje Rasmussen
- Institute of Biomedical Sciences, Division of Renal and Vascular Physiology, University of Copenhagen, Copenhagen, Denmark
| | - Thomas Hartig Braunstein
- Institute of Biomedical Sciences, Division of Renal and Vascular Physiology, University of Copenhagen, Copenhagen, Denmark
| | - Max Salomonsson
- Institute of Biomedical Sciences, Division of Renal and Vascular Physiology, University of Copenhagen, Copenhagen, Denmark
| | - Jens Christian Brasen
- Department of Electrical Engineering, Technical University of Denmark, Ørsteds Plads 349, 2800, Kgs. Lyngby, Denmark.
| | - Charlotte Mehlin Sorensen
- Institute of Biomedical Sciences, Division of Renal and Vascular Physiology, University of Copenhagen, Copenhagen, Denmark.
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296
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Judenherc-Haouzi A, Zhang XQ, Sonobe T, Song J, Rannals MD, Wang J, Tubbs N, Cheung JY, Haouzi P. Methylene blue counteracts H2S toxicity-induced cardiac depression by restoring L-type Ca channel activity. Am J Physiol Regul Integr Comp Physiol 2016; 310:R1030-44. [PMID: 26962024 DOI: 10.1152/ajpregu.00527.2015] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 03/08/2016] [Indexed: 11/22/2022]
Abstract
We have previously reported that methylene blue (MB) can counteract hydrogen sulfide (H2S) intoxication-induced circulatory failure. Because of the multifarious effects of high concentrations of H2S on cardiac function, as well as the numerous properties of MB, the nature of this interaction, if any, remains uncertain. The aim of this study was to clarify 1) the effects of MB on H2S-induced cardiac toxicity and 2) whether L-type Ca(2+) channels, one of the targets of H2S, could transduce some of the counteracting effects of MB. In sedated rats, H2S infused at a rate that would be lethal within 5 min (24 μM·kg(-1)·min(-1)), produced a rapid fall in left ventricle ejection fraction, determined by echocardiography, leading to a pulseless electrical activity. Blood concentrations of gaseous H2S reached 7.09 ± 3.53 μM when cardiac contractility started to decrease. Two to three injections of MB (4 mg/kg) transiently restored cardiac contractility, blood pressure, and V̇o2, allowing the animals to stay alive until the end of H2S infusion. MB also delayed PEA by several minutes following H2S-induced coma and shock in unsedated rats. Applying a solution containing lethal levels of H2S (100 μM) on isolated mouse cardiomyocytes significantly reduced cell contractility, intracellular calcium concentration ([Ca(2+)]i) transient amplitudes, and L-type Ca(2+) currents (ICa) within 3 min of exposure. MB (20 mg/l) restored the cardiomyocyte function, ([Ca(2+)]i) transient, and ICa The present results offer a new approach for counteracting H2S toxicity and potentially other conditions associated with acute inhibition of L-type Ca(2+) channels.
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Affiliation(s)
- Annick Judenherc-Haouzi
- Heart and Vascular Institute, Pennsylvania State University, College of Medicine, Hershey, Pennsylvania;
| | - Xue-Qian Zhang
- Center of Translational Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania; and
| | - Takashi Sonobe
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University, College of Medicine, Hershey, Pennsylvania
| | - Jianliang Song
- Center of Translational Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania; and
| | - Matthew D Rannals
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University, College of Medicine, Hershey, Pennsylvania
| | - JuFang Wang
- Center of Translational Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania; and
| | - Nicole Tubbs
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University, College of Medicine, Hershey, Pennsylvania
| | - Joseph Y Cheung
- Center of Translational Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania; and Department of Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania
| | - Philippe Haouzi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University, College of Medicine, Hershey, Pennsylvania
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297
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van Goor H, van den Born JC, Hillebrands JL, Joles JA. Hydrogen sulfide in hypertension. Curr Opin Nephrol Hypertens 2016; 25:107-13. [DOI: 10.1097/mnh.0000000000000206] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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298
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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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299
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Hydrogen Sulfide Signaling Axis as a Target for Prostate Cancer Therapeutics. Prostate Cancer 2016; 2016:8108549. [PMID: 27019751 PMCID: PMC4785274 DOI: 10.1155/2016/8108549] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 01/28/2016] [Indexed: 12/21/2022] Open
Abstract
Hydrogen sulfide (H2S) was originally considered toxic at elevated levels; however just in the past decade H2S has been proposed to be an important gasotransmitter with various physiological and pathophysiological roles in the body. H2S can be generated endogenously from L-cysteine by multiple enzymes, including cystathionine gamma-lyase, cystathionine beta-synthase, and 3-mercaptopyruvate sulfurtransferase in combination with cysteine aminotransferase. Prostate cancer is a major health concern and no effective treatment for prostate cancers is available. H2S has been shown to inhibit cell survival of androgen-independent, androgen-dependent, and antiandrogen-resistant prostate cancer cells through different mechanisms. Various H2S-releasing compounds, including sulfide salts, diallyl disulfide, diallyl trisulfide, sulforaphane, and other polysulfides, also have been shown to inhibit prostate cancer growth and metastasis. The expression of H2S-producing enzyme was reduced in both human prostate cancer tissues and prostate cancer cells. Androgen receptor (AR) signaling is indispensable for the development of castration resistant prostate cancer, and H2S was shown to inhibit AR transactivation and contributes to antiandrogen-resistant status. In this review, we summarized the current knowledge of H2S signaling in prostate cancer and described the molecular alterations, which may bring this gasotransmitter into the clinic in the near future for developing novel pharmacological and therapeutic interventions for prostate cancer.
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300
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van den Born JC, Hammes HP, Greffrath W, van Goor H, Hillebrands JL. Gasotransmitters in Vascular Complications of Diabetes. Diabetes 2016; 65:331-45. [PMID: 26798119 DOI: 10.2337/db15-1003] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In the past decades three gaseous signaling molecules-so-called gasotransmitters-have been identified: nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S). These gasotransmitters are endogenously produced by different enzymes in various cell types and play an important role in physiology and disease. Despite their specific functions, all gasotransmitters share the capacity to reduce oxidative stress, induce angiogenesis, and promote vasorelaxation. In patients with diabetes, a lower bioavailability of the different gasotransmitters is observed when compared with healthy individuals. As yet, it is unknown whether this reduction precedes or results from diabetes. The increased risk for vascular disease in patients with diabetes, in combination with the extensive clinical, financial, and societal burden, calls for action to either prevent or improve the treatment of vascular complications. In this Perspective, we present a concise overview of the current data on the bioavailability of gasotransmitters in diabetes and their potential role in the development and progression of diabetes-associated microvascular (retinopathy, neuropathy, and nephropathy) and macrovascular (cerebrovascular, coronary artery, and peripheral arterial diseases) complications. Gasotransmitters appear to have both inhibitory and stimulatory effects in the course of vascular disease development. This Perspective concludes with a discussion on gasotransmitter-based interventions as a therapeutic option.
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Affiliation(s)
- Joost C van den Born
- Department of Pathology and Medical Biology, Division of Pathology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Hans-Peter Hammes
- 5th Medical Department, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Wolfgang Greffrath
- Department of Neurophysiology, Centre for Biomedicine and Medical Technology Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Harry van Goor
- Department of Pathology and Medical Biology, Division of Pathology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Jan-Luuk Hillebrands
- Department of Pathology and Medical Biology, Division of Pathology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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