1
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Haouzi P, MacCann M, Brenner M, Mahon S, Bebarta VS, Chan A, Judenherc-Haouzi A, Tubbs N, Boss GR. Treatment of life-threatening H2S intoxication: Lessons from the trapping agent tetranitrocobinamide. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 96:103998. [PMID: 36228991 DOI: 10.1016/j.etap.2022.103998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
We sought to evaluate the efficacy of trapping free hydrogen sulfide (H2S) following severe H2S intoxication. Sodium hydrosulfide solution (NaHS, 20 mg/kg) was administered intraperitoneally in 69 freely moving rats. In a first group (protocol 1), 40 rats were randomly assigned to receive saline (n = 20) or the cobalt compound tetranitrocobinamide (TNCbi) (n = 20, 75 mg/kg iv), one minute into coma, when free H2S was still present in the blood. A second group of 27 rats received TNCbi or saline, following epinephrine, 5 min into coma, when the concentration of free H2S has drastically decreased in the blood. In protocol 1, TNCbi significantly increased immediate survival (65 vs 20 %, p < 0.01) while in protocol 2, administration of TNCbi led to the same outcome as untreated animals. We hypothesize that the decreased efficacy of TNCbi with time likely reflects the rapid spontaneous disappearance of the pool of free H2S in the blood following H2S exposure.
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Affiliation(s)
- Philippe Haouzi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University, College of Medicine, Hershey, PA, USA.
| | - Marissa MacCann
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University, College of Medicine, Hershey, PA, USA
| | - Matthew Brenner
- Beckman Laser Institute and Medical Clinic, University of California, Irvine, CA, USA; Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California, Irvine, CA, USA
| | - Sari Mahon
- Beckman Laser Institute and Medical Clinic, University of California, Irvine, CA, USA
| | - Vikhyat S Bebarta
- Department of Emergency Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Rocky Mountain Poison and Drug Center, Denver Health and Hospital Authority, Denver, CO, USA
| | - Adriano Chan
- Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Annick Judenherc-Haouzi
- Heart and Vascular Institute, Department of Medicine, Pennsylvania State University, College of Medicine, Hershey, PA, USA
| | - Nicole Tubbs
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University, College of Medicine, Hershey, PA, USA
| | - Gerry R Boss
- Department of Medicine, University of California, San Diego, La Jolla, CA, USA
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2
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Suzuki Y, Taguchi K, Okamoto W, Enoki Y, Komatsu T, Matsumoto K. Methemoglobin-albumin clusters for the treatment of hydrogen sulfide intoxication. J Control Release 2022; 349:304-314. [PMID: 35809661 DOI: 10.1016/j.jconrel.2022.07.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/27/2022] [Accepted: 07/01/2022] [Indexed: 11/28/2022]
Abstract
Hydrogen sulfide (H2S) has attracted significant attention as a seed in drug development. However, H2S is toxic and induces lethal acute intoxication. Here, we developed methemoglobin (metHb)-albumin clusters as detoxifying agents for H2S intoxication, which were designed based on the inherent binding property of metHb with H2S. The metHb-albumin clusters comprising an autoxidized ferric Hb center wrapped covalently with an average of three human serum albumins showed a similar H2S binding affinity to that of naked metHb. Owing to the H2S binding capability, metHb-albumin clusters suppressed cell death induced by H2S exposure while maintaining mitochondrial function in H9c2 cells. In addition, lethal H2S intoxication model mice were rescued by a single administration of metHb-albumin clusters, resulting from the recovery of cytochrome c oxidase activity. Furthermore, the metHb-albumin clusters possessed essential characteristics, such as adequate pharmacokinetic properties and biocompatibility, for their use as detoxifying agents against H2S intoxication. In conclusion, the results obtained in this study suggest that metHb-albumin clusters are promising detoxifying agents for H2S intoxication and that harnessing the inherent H2S binding properties of metHb is an innovative approach to develop detoxifying agents for H2S intoxication.
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Affiliation(s)
- Yuto Suzuki
- Faculty of Pharmacy, Keio University, Tokyo 105-8512, Japan
| | - Kazuaki Taguchi
- Faculty of Pharmacy, Keio University, Tokyo 105-8512, Japan.
| | - Wataru Okamoto
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, Tokyo 112-8551, Japan
| | - Yuki Enoki
- Faculty of Pharmacy, Keio University, Tokyo 105-8512, Japan
| | - Teruyuki Komatsu
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, Tokyo 112-8551, Japan
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3
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Cirino G, Szabo C, Papapetropoulos A. Physiological roles of hydrogen sulfide in mammalian cells, tissues and organs. Physiol Rev 2022; 103:31-276. [DOI: 10.1152/physrev.00028.2021] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
H2S belongs to the class of molecules known as gasotransmitters, which also includes nitric oxide (NO) and carbon monoxide (CO). Three enzymes are recognized as endogenous sources of H2S in various cells and tissues: cystathionine g-lyase (CSE), cystathionine β-synthase (CBS) and 3-mercaptopyruvate sulfurtransferase (3-MST). The current article reviews the regulation of these enzymes as well as the pathways of their enzymatic and non-enzymatic degradation and elimination. The multiple interactions of H2S with other labile endogenous molecules (e.g. NO) and reactive oxygen species are also outlined. The various biological targets and signaling pathways are discussed, with special reference to H2S and oxidative posttranscriptional modification of proteins, the effect of H2S on channels and intracellular second messenger pathways, the regulation of gene transcription and translation and the regulation of cellular bioenergetics and metabolism. The pharmacological and molecular tools currently available to study H2S physiology are also reviewed, including their utility and limitations. In subsequent sections, the role of H2S in the regulation of various physiological and cellular functions is reviewed. The physiological role of H2S in various cell types and organ systems are overviewed. Finally, the role of H2S in the regulation of various organ functions is discussed as well as the characteristic bell-shaped biphasic effects of H2S. In addition, key pathophysiological aspects, debated areas, and future research and translational areas are identified A wide array of significant roles of H2S in the physiological regulation of all organ functions emerges from this review.
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Affiliation(s)
- Giuseppe Cirino
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, Switzerland
| | - Andreas Papapetropoulos
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece & Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, Greece
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4
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Chen HJ, Qian L, Li K, Qin YZ, Zhou JJ, Ji XY, Wu DD. Hydrogen sulfide-induced post-translational modification as a potential drug target. Genes Dis 2022. [PMID: 37492730 PMCID: PMC10363594 DOI: 10.1016/j.gendis.2022.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Hydrogen sulfide (H2S) is one of the three known gas signal transducers, and since its potential physiological role was reported, the literature on H2S has been increasing. H2S is involved in processes such as vasodilation, neurotransmission, angiogenesis, inflammation, and the prevention of ischemia-reperfusion injury, and its mechanism remains to be further studied. At present, the role of post-translational processing of proteins has been considered as a possible mechanism for the involvement of H2S in a variety of physiological processes. Current studies have shown that H2S is involved in S-sulfhydration, phosphorylation, and S-nitrosylation of proteins, etc. This paper focuses on the effects of protein modification involving H2S on physiological and pathological processes, looking forward to providing guidance for subsequent research.
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5
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Miyazaki Y, Marutani E, Ikeda T, Ni X, Hanaoka K, Xian M, Ichinose F. A Sulfonyl Azide-Based Sulfide Scavenger Rescues Mice from Lethal Hydrogen Sulfide Intoxication. Toxicol Sci 2021; 183:393-403. [PMID: 34270781 DOI: 10.1093/toxsci/kfab088] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Exposure to hydrogen sulfide (H2S) can cause neurotoxicity and cardiopulmonary arrest. Resuscitating victims of sulfide intoxication is extremely difficult, and survivors often exhibit persistent neurological deficits. However, no specific antidote is available for sulfide intoxication. The objective of this study was to examine whether administration of a sulfonyl azide-based sulfide-specific scavenger, SS20, would rescue mice in models of H2S intoxication: ongoing exposure and post-cardiopulmonary arrest. In the ongoing exposure model, SS20 (1,250 µmol/kg) or vehicle was administered to awake CD-1 mice intraperitoneally at 10 minutes after breathing 790 ppm of H2S followed by another 30 minutes of H2S inhalation. Effects of SS20 on survival was assessed. In the post-cardiopulmonary arrest model, cardiopulmonary arrest was induced by an intraperitoneal administration of sodium sulfide nonahydrate (125 mg/kg) in anesthetized mice. After 1 minute of cardiopulmonary arrest, mice were resuscitated with intravenous administration of SS20 (250 µmol/kg) or vehicle. Effects of SS20 on survival, neurological outcomes, and plasma H2S levels were evaluated. Administration of SS20 during ongoing H2S inhalation improved 24-hour survival (6/6 [100%] in SS20 versus 1/6 [17%] in vehicle; P = 0.0043). Post-arrest administration of SS20 improved 7-day survival (4/10 [40%] in SS20 versus 0/10 [0%] in vehicle; P = 0.0038) and neurological outcomes after resuscitation. SS20 decreased plasma H2S levels to pre-arrest baseline immediately after reperfusion and shortened the time to return of spontaneous circulation and respiration. The current results suggest that SS20 is an effective antidote against lethal H2S intoxication, even when administered after cardiopulmonary arrest.
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Affiliation(s)
- Yusuke Miyazaki
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA
| | - Eizo Marutani
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA
| | - Takamitsu Ikeda
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA
| | - Xiang Ni
- Department of Chemistry, Brown University, Providence, RI
| | - Kenjiro Hanaoka
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Ming Xian
- Department of Chemistry, Brown University, Providence, RI
| | - Fumito Ichinose
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA
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6
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Roorda M, Miljkovic JL, van Goor H, Henning RH, Bouma HR. Spatiotemporal regulation of hydrogen sulfide signaling in the kidney. Redox Biol 2021; 43:101961. [PMID: 33848877 PMCID: PMC8065217 DOI: 10.1016/j.redox.2021.101961] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/15/2021] [Accepted: 03/27/2021] [Indexed: 12/12/2022] Open
Abstract
Hydrogen sulfide (H2S) has long been recognized as a putrid, toxic gas. However, as a result of intensive biochemical research in the past two decades, H2S is now considered to be the third gasotransmitter alongside nitric oxide (NO) and carbon monoxide (CO) in mammalian systems. H2S-producing enzymes are expressed in all organs, playing an important role in their physiology. In the kidney, H2S is a critical regulator of vascular and cellular function, although the mechanisms that affect (sub)cellular levels of H2S are not precisely understood. H2S modulates systemic and renal blood flow, glomerular filtration rate and the renin-angiotensin axis through direct inhibition of nitric oxide synthesis. Further, H2S affects cellular function by modulating protein activity via post-translational protein modification: a process termed persulfidation. Persulfidation modulates protein activity, protein localization and protein-protein interactions. Additionally, acute kidney injury (AKI) due to mitochondrial dysfunction, which occurs during hypoxia or ischemia-reperfusion (IR), is attenuated by H2S. H2S enhances ATP production, prevents damage due to free radicals and regulates endoplasmic reticulum stress during IR. In this review, we discuss current insights in the (sub)cellular regulation of H2S anabolism, retention and catabolism, with relevance to spatiotemporal regulation of renal H2S levels. Together, H2S is a versatile gasotransmitter with pleiotropic effects on renal function and offers protection against AKI. Unraveling the mechanisms that modulate (sub)cellular signaling of H2S not only expands fundamental insight in the regulation of functional effects mediated by H2S, but can also provide novel therapeutic targets to prevent kidney injury due to hypoxic or ischemic injury.
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Affiliation(s)
- Maurits Roorda
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Jan Lj Miljkovic
- Mitochondrial Biology Unit, Medical Research Council, University of Cambridge, Cambridge, United Kingdom
| | - Harry van Goor
- Department of Pathology and Medical Biology, University Medical Center Groningen and University of Groningen, the Netherlands
| | - Robert H Henning
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Hjalmar R Bouma
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
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7
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Haouzi P, Sonobe T, Judenherc-Haouzi A. Hydrogen sulfide intoxication induced brain injury and methylene blue. Neurobiol Dis 2019; 133:104474. [PMID: 31103557 DOI: 10.1016/j.nbd.2019.05.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 04/16/2019] [Accepted: 05/15/2019] [Indexed: 02/06/2023] Open
Abstract
Hydrogen sulfide (H2S) remains a chemical hazard in the gas and farming industry. It is easy to manufacture from common chemicals and thus represents a potential threat for the civilian population. It is also employed as a method of suicide, for which incidence has recently increased in the US. H2S is a mitochondrial poison and exerts its toxicity through mechanisms that are thought to result from its high affinity to various metallo-proteins (such as - but not exclusively- the mitochondrial cytochrome c oxidase) and interactions with cysteine residues of proteins. Ion channels with critical implications for the cardiac and the brain functions appear to be affected very early during and following H2S exposure, an effect which is rapidly reversible during a light intoxication. However, during severe H2S intoxication, a coma, associated with a reduction in cardiac contractility, develops within minutes or even seconds leading to death by complete electro-mechanical dissociation of the heart. If the level of intoxication is milder, a rapid and spontaneous recovery of the coma occurs as soon as the exposure stops. The risk, although probably very small, of developing long-term debilitating motor or cognitive deficits is present. One of the major challenges impeding our effort to offer an effective treatment against H2S intoxication after exposure is that the pool of free/soluble H2S almost immediately disappears from the body preventing agents trapping free H2S (cobalt or ferric compounds) to play their protective role. This paper (1) presents and discusses the neurological symptoms and lesions observed in various animals models and in humans following an acute exposure to sub-lethal or lethal levels of H2S, (2) reviews the potential interest of methylene blue (MB), a potent cyclic redox dye - currently used for the treatment of methemoglobinemia - which has potential rescuing effects on the mitochondrial activity, as an antidote against sulfide intoxication.
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Affiliation(s)
- Philippe Haouzi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University College of Medicine, Hershey, PA, USA.
| | - Takashi Sonobe
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Annick Judenherc-Haouzi
- Heart and Vascular Institute, Pennsylvania State University College of Medicine, Hershey, PA, USA
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8
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Yang X, Wang C, Zhang X, Chen S, Chen L, Lu S, Lu S, Yan X, Xiong K, Liu F, Yan J. Redox regulation in hydrogen sulfide action: From neurotoxicity to neuroprotection. Neurochem Int 2019; 128:58-69. [PMID: 31015021 DOI: 10.1016/j.neuint.2019.04.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 04/13/2019] [Accepted: 04/15/2019] [Indexed: 02/07/2023]
Affiliation(s)
- Xue Yang
- Department of Forensic Science,Changsha, Hunan, 410013, China
| | - Chudong Wang
- Department of Forensic Science,Changsha, Hunan, 410013, China
| | - Xudong Zhang
- Narcotics Division, Municipal Security Bureau, Changsha, Hunan, 410013, China
| | - Siqi Chen
- Department of Forensic Science,Changsha, Hunan, 410013, China
| | - Liangpei Chen
- Department of Forensic Science,Changsha, Hunan, 410013, China
| | - Shanshan Lu
- Department of Forensic Science,Changsha, Hunan, 410013, China; Histology and Embryology,Changsha, Hunan, 410013, China
| | - Shuang Lu
- Department of Forensic Science,Changsha, Hunan, 410013, China; Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| | - Xisheng Yan
- Department of Cardiovascular Medicine, Wuhan Third Hospital, Wuhan, 430060, China
| | - Kun Xiong
- Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| | - Fengxia Liu
- Department of Human Anatomy, School of Basic Medical Science, Xinjiang Medical University, Urumqi, 830001, China
| | - Jie Yan
- Department of Forensic Science,Changsha, Hunan, 410013, China; Department of Human Anatomy, School of Basic Medical Science, Xinjiang Medical University, Urumqi, 830001, China.
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9
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Cheung JY, Wang J, Zhang XQ, Song J, Davidyock JM, Prado FJ, Shanmughapriya S, Worth AM, Madesh M, Judenherc-Haouzi A, Haouzi P. Methylene Blue Counteracts H 2S-Induced Cardiac Ion Channel Dysfunction and ATP Reduction. Cardiovasc Toxicol 2019; 18:407-419. [PMID: 29603116 DOI: 10.1007/s12012-018-9451-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
We have previously demonstrated that methylene blue (MB) counteracts the effects of hydrogen sulfide (H2S) cardiotoxicity by improving cardiomyocyte contractility and intracellular Ca2+ homeostasis disrupted by H2S poisoning. In vivo, MB restores cardiac contractility severely depressed by sulfide and protects against arrhythmias, ranging from bundle branch block to ventricular tachycardia or fibrillation. To dissect the cellular mechanisms by which MB reduces arrhythmogenesis and improves bioenergetics in myocytes intoxicated with H2S, we evaluated the effects of H2S on resting membrane potential (Em), action potential (AP), Na+/Ca2+ exchange current (INaCa), depolarization-activated K+ currents and ATP levels in adult mouse cardiac myocytes and determined whether MB could counteract the toxic effects of H2S on myocyte electrophysiology and ATP. Exposure to toxic concentrations of H2S (100 µM) significantly depolarized Em, reduced AP amplitude, prolonged AP duration at 90% repolarization (APD90), suppressed INaCa and depolarization-activated K+ currents, and reduced ATP levels in adult mouse cardiac myocytes. Treating cardiomyocytes with MB (20 µg/ml) 3 min after H2S exposure restored Em, APD90, INaCa, depolarization-activated K+ currents, and ATP levels toward normal. MB improved mitochondrial membrane potential (∆ψm) and oxygen consumption rate in myocytes in which Complex I was blocked by rotenone. We conclude that MB ameliorated H2S-induced cardiomyocyte toxicity at multiple levels: (1) reversing excitation-contraction coupling defects (Ca2+ homeostasis and L-type Ca2+ channels); (2) reducing risks of arrhythmias (Em, APD, INaCa and depolarization-activated K+ currents); and (3) improving cellular bioenergetics (ATP, ∆ψm).
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MESH Headings
- Action Potentials
- Adenosine Triphosphate/metabolism
- Animals
- Arrhythmias, Cardiac/chemically induced
- Arrhythmias, Cardiac/metabolism
- Arrhythmias, Cardiac/physiopathology
- Arrhythmias, Cardiac/prevention & control
- Calcium Channels, L-Type/drug effects
- Calcium Channels, L-Type/metabolism
- Calcium Signaling/drug effects
- Energy Metabolism/drug effects
- Heart Rate/drug effects
- Hydrogen Sulfide/toxicity
- Ion Channels/drug effects
- Ion Channels/metabolism
- Membrane Potential, Mitochondrial/drug effects
- Methylene Blue/pharmacology
- Mice
- Mitochondria, Heart/drug effects
- Mitochondria, Heart/metabolism
- Myocardial Contraction/drug effects
- Myocytes, Cardiac/drug effects
- Myocytes, Cardiac/metabolism
- Oxygen Consumption/drug effects
- Potassium Channels, Voltage-Gated/drug effects
- Potassium Channels, Voltage-Gated/metabolism
- Sodium-Calcium Exchanger/drug effects
- Sodium-Calcium Exchanger/metabolism
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Affiliation(s)
- Joseph Y Cheung
- Center of Translational Medicine, Lewis Katz School of Medicine of Temple University, 3500 N. Broad Street, MERB 958, Philadelphia, PA, 19140, USA.
- Department of Medicine, Lewis Katz School of Medicine of Temple University, Philadelphia, PA, 19140, USA.
| | - JuFang Wang
- Center of Translational Medicine, Lewis Katz School of Medicine of Temple University, 3500 N. Broad Street, MERB 958, Philadelphia, PA, 19140, USA
| | - Xue-Qian Zhang
- Center of Translational Medicine, Lewis Katz School of Medicine of Temple University, 3500 N. Broad Street, MERB 958, Philadelphia, PA, 19140, USA
| | - Jianliang Song
- Center of Translational Medicine, Lewis Katz School of Medicine of Temple University, 3500 N. Broad Street, MERB 958, Philadelphia, PA, 19140, USA
| | - John M Davidyock
- Department of Medicine, Lewis Katz School of Medicine of Temple University, Philadelphia, PA, 19140, USA
| | - Fabian Jana Prado
- Center of Translational Medicine, Lewis Katz School of Medicine of Temple University, 3500 N. Broad Street, MERB 958, Philadelphia, PA, 19140, USA
| | - Santhanam Shanmughapriya
- Center of Translational Medicine, Lewis Katz School of Medicine of Temple University, 3500 N. Broad Street, MERB 958, Philadelphia, PA, 19140, USA
| | - Alison M Worth
- Center of Translational Medicine, Lewis Katz School of Medicine of Temple University, 3500 N. Broad Street, MERB 958, Philadelphia, PA, 19140, USA
| | - Muniswamy Madesh
- Center of Translational Medicine, Lewis Katz School of Medicine of Temple University, 3500 N. Broad Street, MERB 958, Philadelphia, PA, 19140, USA
| | - Annick Judenherc-Haouzi
- Heart and Vascular Institute, Pennsylvania State University College of Medicine, Hershey, PA, 17033, USA
| | - Philippe Haouzi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University College of Medicine, Hershey, PA, 17033, USA
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10
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On the Efficacy of Cardio-Pulmonary Resuscitation and Epinephrine Following Cyanide- and H 2S Intoxication-Induced Cardiac Asystole. Cardiovasc Toxicol 2019; 18:436-449. [PMID: 29644580 DOI: 10.1007/s12012-018-9454-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
This study was aimed at determining the efficacy of epinephrine, followed by chest compressions, in producing a return of spontaneous circulation (ROSC) during cyanide (CN)- or hydrogen sulfide (H2S)-induced toxic cardiac pulseless electrical activity (PEA) in the rat. Thirty-nine anesthetized rats were exposed to either intravenous KCN (n = 27) or H2S solutions (n = 12), at a rate that led to a PEA within less than 10 min. In the group intoxicated by CN, 20 rats were mechanically ventilated and received either epinephrine (0.1 mg/kg i.v. n = 10) followed by chest compressions or saline (n = 10, "control CN") when in PEA. PEA was defined as a systolic pressure below 20 mmHg and a pulse pressure of less than 5 mmHg for 1 min. In addition, seven spontaneously breathing rats were also exposed to the same CN protocol, but infusion was stopped when a central apnea occurred; then, as soon as a PEA occurred, epinephrine (0.1 mg/kg IV) was administered while providing manual chest compressions and mechanical ventilation (CPR). Finally, 12 rats were intoxicated with H2S, while mechanically ventilated, and received either saline (n = 6, "control H2S") or epinephrine (n = 6) with CPR when in PEA. None of the control-intoxicated animals resuscitated (10 rats in the control CN group and 6 in the control H2S group). In contrast, all the animals intoxicated with CN or H2S that received epinephrine followed by chest compressions, returned to effective circulation. In addition, half of the spontaneously breathing CN-intoxicated animals that achieved ROSC after epinephrine resumed spontaneous breathing. In all the animals achieving ROSC, blood pressure, cardiac output, peripheral blood flow and [Formula: see text]O2 returned toward baseline, but remained lower than the pre-intoxication levels (p < 0.01) with a persistent lactic acidosis. Epinephrine, along with CPR maneuvers, was highly effective in resuscitating rodents intoxicated with CN or H2S. Since epinephrine is readily available in any ambulance, its place as an important countermeasure against mitochondrial poisons should be advocated. It remains critical to determine whether the systematic administration of epinephrine to any victims found hypotensive following CN or H2S intoxication could prevent PEA, decrease post-ischemic brain injury and increase the efficacy of current antidotes by improving the circulatory status.
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11
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Mittra K, Singha A, Dey A. Mechanism of Reduction of Ferric Porphyrins by Sulfide: Identification of a Low Spin FeIII–SH Intermediate. Inorg Chem 2017; 56:3916-3925. [DOI: 10.1021/acs.inorgchem.6b02878] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kaustuv Mittra
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata, India 700032
| | - Asmita Singha
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata, India 700032
| | - Abhishek Dey
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata, India 700032
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12
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Haouzi P, Tubbs N, Rannals MD, Judenherc-Haouzi A, Cabell LA, McDonough JA, Sonobe T. Circulatory Failure During Noninhaled Forms of Cyanide Intoxication. Shock 2017; 47:352-362. [PMID: 27513083 PMCID: PMC5303192 DOI: 10.1097/shk.0000000000000732] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Our objective was to determine how circulatory failure develops following systemic administration of potassium cyanide (KCN). We used a noninhaled modality of intoxication, wherein the change in breathing pattern would not influence the diffusion of CN into the blood, akin to the effects of ingesting toxic levels of CN. In a group of 300 to 400 g rats, CN-induced coma (CN i.p., 7 mg/kg) produced a central apnea within 2 to 3 min along with a potent and prolonged gasping pattern leading to autoresuscitation in 38% of the animals. Motor deficits and neuronal necrosis were nevertheless observed in the surviving animals. To clarify the mechanisms leading to potential autoresuscitation versus asystole, 12 urethane-anesthetized rats were then exposed to the lowest possible levels of CN exposure that would lead to breathing depression within 7 to 8 min; this dose averaged 0.375 mg/kg/min i.v. At this level of intoxication, a cardiac depression developed several minutes only after the onset of the apnea, leading to cardiac asystole as PaO2 reached value approximately 15 Torr, unless breathing was maintained by mechanical ventilation or through spontaneous gasping. Higher levels of KCN exposure in 10 animals provoked a primary cardiac depression, which led to a rapid cardiac arrest by pulseless electrical activity (PEA) despite the maintenance of PaO2 by mechanical ventilation. These effects were totally unrelated to the potassium contained in KCN. It is concluded that circulatory failure can develop as a direct consequence of CN-induced apnea but in a narrow range of exposure. In this "low" range, maintaining pulmonary gas exchange after exposure, through mechanical ventilation (or spontaneous gasping), can reverse cardiac depression and restore spontaneous breathing. At higher level of intoxication, cardiac depression is to be treated as a specific and spontaneously irreversible consequence of CN exposure, leading to a PEA.
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Affiliation(s)
- Philippe Haouzi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Hershey, PA
| | - Nicole Tubbs
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Hershey, PA
| | - Matthew D. Rannals
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Hershey, PA
| | - Annick Judenherc-Haouzi
- Heart and Vascular Institute, Pennsylvania State University, College of Medicine, Hershey, PA
| | | | | | - Takashi Sonobe
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Hershey, PA
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Sonobe T, Haouzi P. H2S concentrations in the heart after acute H2S administration: methodological and physiological considerations. Am J Physiol Heart Circ Physiol 2016; 311:H1445-H1458. [PMID: 27638880 DOI: 10.1152/ajpheart.00464.2016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 09/15/2016] [Indexed: 11/22/2022]
Abstract
In this study, we have tried to characterize the limits of the approach typically used to determine H2S concentrations in the heart based on the amount of H2S evaporating from heart homogenates-spontaneously, after reaction with a strong reducing agent, or in a very acidic solution. Heart homogenates were prepared from male rats in control conditions or after H2S infusion induced a transient cardiogenic shock (CS) or cardiac asystole (CA). Using a method of determination of gaseous H2S with a detection limit of 0.2 nmol, we found that the process of homogenization could lead to a total disappearance of free H2S unless performed in alkaline conditions. Yet, after restoration of neutral pH, free H2S concentration from samples processed in alkaline and nonalkaline milieus were similar and averaged ∼0.2-0.4 nmol/g in both control and CS homogenate hearts and up to 100 nmol/g in the CA group. No additional H2S was released from control, CS, or CA hearts by using the reducing agent tris(2-carboxyethyl)phosphine or a strong acidic solution (pH < 2) to "free" H2S from combined pools. Of note, the reducing agent DTT produced a significant sulfide artifact and was not used. These data suggest that 1) free H2S found in heart homogenates is not a reflection of H2S present in a "living" heart and 2) the pool of combined sulfides, released in a strong reducing or acidic milieu, does not increase in the heart in a measurable manner even after toxic exposure to sulfide.
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Affiliation(s)
- Takashi Sonobe
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Pennsylvania State University, College of Medicine, Hershey, 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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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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Haouzi P, Sonobe T, Judenherc-Haouzi A. Developing effective countermeasures against acute hydrogen sulfide intoxication: challenges and limitations. Ann N Y Acad Sci 2016; 1374:29-40. [PMID: 26945701 DOI: 10.1111/nyas.13015] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 12/25/2015] [Accepted: 01/11/2016] [Indexed: 12/20/2022]
Abstract
Hydrogen sulfide (H2 S) is a chemical hazard in the gas and farming industry. As it is easy to manufacture from common chemicals, it has also become a method of suicide. H2 S exerts its toxicity through its high affinity with metalloproteins, such as cytochrome c oxidase and possibly via its interactions with cysteine residues of various proteins. The latter was recently proposed to acutely alter ion channels with critical implications for cardiac and brain functions. Indeed, during severe H2 S intoxication, a coma, associated with a reduction in cardiac contractility, develops within minutes or even seconds leading to death by complete electromechanical dissociation of the heart. In addition, long-term neurological deficits can develop owing to the direct toxicity of H2 S on neurons combined with the consequences of a prolonged apnea and circulatory failure. Here, we review the challenges impeding efforts to offer an effective treatment against H2 S intoxication using agents that trap free H2 S, and present novel pharmacological approaches aimed at correcting some of the most harmful consequences of H2 S intoxication.
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Affiliation(s)
- Philippe Haouzi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania
| | - Takashi Sonobe
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania
| | - Annick Judenherc-Haouzi
- Heart and Vascular Institute, Department of Medicine, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania
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Sonobe T, Chenuel B, Cooper TK, Haouzi P. Immediate and Long-Term Outcome of Acute H2S Intoxication Induced Coma in Unanesthetized Rats: Effects of Methylene Blue. PLoS One 2015; 10:e0131340. [PMID: 26115032 PMCID: PMC4482667 DOI: 10.1371/journal.pone.0131340] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Accepted: 06/01/2015] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Acute hydrogen sulfide (H2S) poisoning produces a coma, the outcome of which ranges from full recovery to severe neurological deficits. The aim of our study was to 1--describe the immediate and long-term neurological effects following H2S-induced coma in un-anesthetized rats, and 2--determine the potential benefit of methylene blue (MB), a compound we previously found to counteract acute sulfide cardiac toxicity. METHODS NaHS was administered IP in un-sedated rats to produce a coma (n = 34). One minute into coma, the rats received MB (4 mg/kg i.v.) or saline. The surviving rats were followed clinically and assigned to Morris water maze (MWM) and open field testing then sacrificed at day 7. RESULTS Sixty percent of the non-treated comatose rats died by pulseless electrical activity. Nine percent recovered with neurological deficits requiring euthanasia, their brain examination revealed major neuronal necrosis of the superficial and middle layers of the cerebral cortex and the posterior thalamus, with variable necrosis of the caudate putamen, but no lesions of the hippocampus or the cerebellum, in contrast to the typical distribution of post-ischemic lesions. The remaining animals displayed, on average, a significantly less effective search strategy than the control rats (n = 21) during MWM testing. Meanwhile, 75% of rats that received MB survived and could perform the MWM test (P<0.05 vs non-treated animals). The treated animals displayed a significantly higher occurrence of spatial search than the non-treated animals. However, a similar proportion of cortical necrosis was observed in both groups, with a milder clinical presentation following MB. CONCLUSION In conclusion, in rats surviving H2S induced coma, spatial search patterns were used less frequently than in control animals. A small percentage of rats presented necrotic neuronal lesions, which distribution differed from post-ischemic lesions. MB dramatically improved the immediate survival and spatial search strategy in the surviving rats.
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Affiliation(s)
- Takashi Sonobe
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Pennsylvania State University, College of Medicine, Hershey, PA, United States of America
| | - Bruno Chenuel
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Pennsylvania State University, College of Medicine, Hershey, PA, United States of America
| | - Timothy K. Cooper
- Department of Comparative Medicine, Pennsylvania State University, College of Medicine, Hershey, PA, United States of America
- Department of Pathology, Pennsylvania State University, College of Medicine, Hershey, PA, United States of America
| | - Philippe Haouzi
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Pennsylvania State University, College of Medicine, Hershey, PA, United States of America
- * E-mail:
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