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Zapolski T, Kornecki W, Jaroszyński A. The Influence of Balneotherapy Using Salty Sulfide-Hydrogen Sulfide Water on Selected Markers of the Cardiovascular System: A Prospective Study. J Clin Med 2024; 13:3526. [PMID: 38930055 PMCID: PMC11204439 DOI: 10.3390/jcm13123526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Background: The sulfide-hydrogen sulfide brine balneotherapy (HSBB), including a combination of dissolved hydrogen sulfide (H2S) gas, inorganic sulfur ions (S2-), and hydrosulfide ions (HS-), is one of the most important and most effective forms of spa treatment in patients with osteoarticular disorders (OADs). Some cardiovascular diseases (CVDs) are often considered to be contraindications to HSBB since the presence of thiol groups may lead to an increased quantity of reactive oxygen species (ROS), which damage the vascular endothelium, and endothelial dysfunction is considered to be the main cause of atherosclerosis. However, there are a number of literature reports suggesting this theory to be false. H2S is a member of the endogenous gaseous transmitter family and, since it is a relatively recent addition, it has the least well-known biological properties. H2S-NO interactions play an important role in oxidative stress in CVDs. The general objective of this study was to assess the cardiovascular safety of HSBB and analyze the effect of HSBB on selected cardiovascular risk markers. Methods: A total of 100 patients at the age of 76.3 (±7.5) years from the Włókniarz Sanatorium in Busko-Zdrój were initially included in the study. The following parameters were assessed: age, sex, height, body weight, body surface area (BSA), body mass index (BMI), systolic (SBP) and diastolic blood pressure (DBP), heart rate, the diagnosis of OAD that was the indication for balneotherapy, creatinine (CREAT), glomerular filtration rate (GFR), lipid panel, C-reactive protein (CRP), uric acid (UA), and fibrinogen (FIBR) and cardiovascular markers: (cardiac troponin T (cTnT), N-terminal pro-B-type natriuretic peptide (NT-proBNP). Results: A significant decrease in DBP and a trend towards SBP reduction were observed over the course of the study. A significant decrease was observed in CRP levels decreasing from 2.7 (±3.6) mg/L to 2.06 (±1.91) mg/L, whereas FIBR rose significantly from 2.95 (±0.59) g/L to 3.23 (±1.23) g/L. LDL-C levels decreased slightly, statistically significant, from 129.36 (±40.67) mg/dL to 123.74 (±36.14) mg/dL. HSBB did not affect the levels of evaluated cardiovascular biomarkers, namely NT-proBNP (137.41 (±176.52) pg/mL vs. 142.89 (±182.82) pg/mL; p = 0.477) and cTnT (9.64 (±4.13) vs. 9.65 (±3.91) ng/L; p = 0.948). A multiple regression analysis of pre-balneotherapy and post-balneotherapy values showed cTnT levels to be independently correlated only with CREAT levels and GFR values. None of the assessed parameters independently correlated with the NT-proBNP level. Conclusions: HSBB resulted in a statistically significant improvement in a subclinical pro-inflammatory state. HSBB has a beneficial effect in modifying key cardiovascular risk factors by reducing LDL-C levels and DBP values. HSBB has a neutral effect on cardiovascular ischemia/injury. Despite slightly elevated baseline levels of the biochemical marker of HF (NT-proBNP), HSBB causes no further increase in this marker. The use of HSBB in patients with OAD has either a neutral effect or a potentially beneficial effect on the cardiovascular system, which may constitute grounds for further studies to verify the current cardiovascular contraindications for this form of therapy.
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Affiliation(s)
- Tomasz Zapolski
- Department of Cardiology, Medical University of Lublin, 20-093 Lublin, Poland
| | | | - Andrzej Jaroszyński
- Department of Internal Medicine and Family Medicine, Collegium Medicum, Jan Kochanowski University in Kielce, 25-369 Kielce, Poland;
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Ni X, Marutani E, Shieh M, Lam Y, Ichinose F, Xian M. Selenium-Based Catalytic Scavengers for Concurrent Scavenging of H 2 S and Reactive Oxygen Species. Angew Chem Int Ed Engl 2024; 63:e202317487. [PMID: 38100749 PMCID: PMC10873471 DOI: 10.1002/anie.202317487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 12/17/2023]
Abstract
Hydrogen sulfide (H2 S) is an endogenous gasotransmitter that plays important roles in redox signaling. H2 S overproduction has been linked to a variety of disease states and therefore, H2 S-depleting agents, such as scavengers, are needed to understand the significance of H2 S-based therapy. It is known that elevated H2 S can induce oxidative stress with elevated reactive oxygen species (ROS) formation, such as in H2 S acute intoxication. We explored the possibility of developing catalytic scavengers to simultaneously remove H2 S and ROS. Herein, we studied a series of selenium-based molecules as catalytic H2 S/H2 O2 scavengers. Inspired by the high reactivity of selenoxide compounds towards H2 S, 14 diselenide/monoselenide compounds were tested. Several promising candidates such as S6 were identified. Their activities in buffers, as well as in plasma- and cell lysate-containing solutions were evaluated. We also studied the reaction mechanism of this scavenging process. Finally, the combination of the diselenide catalyst and photosensitizers was used to achieve light-induced H2 S removal. These Se-based scavengers can be useful tools for understanding H2 S/ROS regulations.
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Affiliation(s)
- Xiang Ni
- Department of Chemistry, Brown University, Providence, RI 02912, USA
| | - Eizo Marutani
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Meg Shieh
- Department of Chemistry, Brown University, Providence, RI 02912, USA
| | - Yannie Lam
- Department of Chemistry, Brown University, Providence, RI 02912, USA
| | - Fumito Ichinose
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Ming Xian
- Department of Chemistry, Brown University, Providence, RI 02912, USA
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Hansen AW, Venkatachalam KV. Sulfur-Element containing metabolic pathways in human health and crosstalk with the microbiome. Biochem Biophys Rep 2023; 35:101529. [PMID: 37601447 PMCID: PMC10439400 DOI: 10.1016/j.bbrep.2023.101529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/09/2023] [Accepted: 08/10/2023] [Indexed: 08/22/2023] Open
Abstract
In humans, methionine derived from dietary proteins is necessary for cellular homeostasis and regeneration of sulfur containing pathways, which produce inorganic sulfur species (ISS) along with essential organic sulfur compounds (OSC). In recent years, inorganic sulfur species have gained attention as key players in the crosstalk of human health and the gut microbiome. Endogenously, ISS includes hydrogen sulfide (H2S), sulfite (SO32-), thiosulfate (S2O32-), and sulfate (SO42-), which are produced by enzymes in the transsulfuration and sulfur oxidation pathways. Additionally, sulfate-reducing bacteria (SRB) in the gut lumen are notable H2S producers which can contribute to the ISS pools of the human host. In this review, we will focus on the systemic effects of sulfur in biological pathways, describe the contrasting mechanisms of sulfurylation versus phosphorylation on the hydroxyl of serine/threonine and tyrosine residues of proteins in post-translational modifications, and the role of the gut microbiome in human sulfur metabolism.
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Affiliation(s)
- Austin W. Hansen
- College of Allopathic Medicine, Nova Southeastern University, Fort Lauderdale, FL, 33328, USA
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Xu S, Shieh M, Paul BD, Xian M. Hydrogen sulfide: Recent development of its dual donors and hybrid drugs. Br J Pharmacol 2023:10.1111/bph.16211. [PMID: 37553774 PMCID: PMC10850433 DOI: 10.1111/bph.16211] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 07/27/2023] [Accepted: 08/01/2023] [Indexed: 08/10/2023] Open
Abstract
Hydrogen sulfide (H2 S) is an important gaseous signalling molecule known to be critically involved in regulating cellular redox homeostasis. As the beneficial and therapeutic effects of H2 S in pathophysiology, such as in cardiovascular and neurodegenerative diseases, have emerged, so too has the drive for the development of H2 S-releasing compounds (aka donors) and their therapeutic applications. Most reported donor compounds singularly release H2 S through biocompatible triggers. An emerging area in the field is the development of compounds that can co-deliver H2 S with other drugs or biologically relevant species, such as reactive oxygen and nitrogen species (ROS and RNS, respectively). These H2 S-based dual donors and hybrid drugs are expected to offset negative side effects from individual treatments or achieve synergistic effects rendering them more clinically effective. Additionally, considering that molecules exist and interact physiologically, dual donors may more accurately mimic biological systems as compared to single donors and allow for the elucidation of fundamental chemistry and biology. This review focuses on the recent advances in the development of H2 S-based dual donors and hybrid drugs along with their design principles and synergistic effects.
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Affiliation(s)
- Shi Xu
- Department of Chemistry, Brown University, Providence, Rhode Island, USA
| | - Meg Shieh
- Department of Chemistry, Brown University, Providence, Rhode Island, USA
| | - Bindu D Paul
- Department of Pharmacology and Molecular Sciences, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Lieber Institute for Brain Development, Baltimore, Maryland, USA
| | - Ming Xian
- Department of Chemistry, Brown University, Providence, Rhode Island, USA
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Cui Q, Pan TW, Shieh M, Kelly SS, Xu S, Qian WJ, Xian M. Controllable Cycloadditions between 2 H-(Thio)pyran-2-(thi)ones and Strained Alkynes: A Click-and-Release Strategy for COS/H 2S Generation. Org Lett 2022; 24:7334-7338. [PMID: 36190803 DOI: 10.1021/acs.orglett.2c02819] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this work, we carried out computational studies to predict the cycloaddition efficiency of strained alkynes with 2H-pyran-2-one and its three sulfur-containing analogues: 2H-pyran-2-thione, 2H-thiopyran-2-one, and 2H-thiopyran-2-thione. It was predicted that the decreased aromaticity of the substrate would yield higher reactivity. Experimental studies confirmed the calculation results, and 2H-pyan-2-thiones were found to be the most reactive substrates. This reaction proceeded effectively in aqueous buffers and in cellular environments. It also produced COS as the byproduct, which could be converted into hydrogen sulfide (H2S) in the presence of carbonate anhydrase. This click-and-release approach may serve as a unique way to deliver COS/H2S to specific locations.
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Affiliation(s)
- Qi Cui
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Tony W Pan
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Meg Shieh
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Shane S Kelly
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Shi Xu
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Wei-Jun Qian
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Ming Xian
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
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Malaeb H, Choucair I, Wang Z, Li XS, Li L, Boyd WC, Hine C, Tang WHW, Gogonea V, Hazen SL. Stable isotope dilution mass spectrometry quantification of hydrogen sulfide and thiols in biological matrices. Redox Biol 2022; 55:102401. [PMID: 35870340 PMCID: PMC9307673 DOI: 10.1016/j.redox.2022.102401] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/06/2022] [Accepted: 07/08/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Hydrogen sulfide (H2S), a gaseous signaling molecule that impacts multiple physiological processes including aging, is produced via select mammalian enzymes and enteric sulfur-reducing bacteria. H2S research is limited by the lack of an accurate internal standard-containing assay for its quantitation in biological matrices. METHODS After synthesizing [34S]H2S and developing sample preparation protocols that avoid sulfide contamination with the addition of thiol-containing standards or reducing reagents, we developed a stable isotope-dilution high performance liquid chromatography tandem-mass spectrometry (LC-MS/MS) method for the simultaneous quantification of Total H2S and other abundant thiols (cysteine, homocysteine, glutathione, glutamylcysteine, cysteinylglycine) in biological matrices, conducted a 20-day analytical validation/normal range study, and then both analyzed circulating Total H2S and thiols in plasma from 400 subjects, and within 20 volunteers before and after antibiotic-induced suppression of gut microbiota. RESULTS Using the new assay, all analytes showed minimal interference, no carryover, and excellent intra- and inter-day reproducibility (≤7.6%, and ≤12.7%, respectively), linearity (r2 > 0.997), recovery (90.9%-110%) and stability (90.0%-100.5%). Only circulating Total H2S levels showed significant age-associated reductions in both males and females (p < 0.001), and a marked reduction following gut microbiota suppression (mean 33.8 ± 17.7%, p < 0.001), with large variations in gut microbiota contribution among subjects (range 6.0-66.7% reduction with antibiotics). CONCLUSIONS A stable-isotope-dilution LC-MS/MS method is presented for the simultaneous quantification of Total H2S and multiple thiols in biological matrices. We then use this assay panel to show a striking age-related decline and gut microbiota contribution to circulating Total H2S levels in humans.
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Affiliation(s)
- Hind Malaeb
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Department of Chemistry, Cleveland State University, Cleveland, OH, USA; Center for Microbiome and Human Health, Cleveland Clinic, Cleveland, OH, USA
| | - Ibrahim Choucair
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Center for Microbiome and Human Health, Cleveland Clinic, Cleveland, OH, USA
| | - Zeneng Wang
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Center for Microbiome and Human Health, Cleveland Clinic, Cleveland, OH, USA
| | - Xinmin S Li
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Center for Microbiome and Human Health, Cleveland Clinic, Cleveland, OH, USA
| | - Lin Li
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Center for Microbiome and Human Health, Cleveland Clinic, Cleveland, OH, USA
| | | | - Christopher Hine
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Center for Microbiome and Human Health, Cleveland Clinic, Cleveland, OH, USA
| | - W H Wilson Tang
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Center for Microbiome and Human Health, Cleveland Clinic, Cleveland, OH, USA; Department of Cardiovascular Medicine, Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Valentin Gogonea
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Department of Chemistry, Cleveland State University, Cleveland, OH, USA; Center for Microbiome and Human Health, Cleveland Clinic, Cleveland, OH, USA.
| | - Stanley L Hazen
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Department of Chemistry, Cleveland State University, Cleveland, OH, USA; Center for Microbiome and Human Health, Cleveland Clinic, Cleveland, OH, USA; Department of Cardiovascular Medicine, Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA.
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Hu Q, Yammani RD, Brown-Harding H, Soto-Pantoja DR, Poole LB, Lukesh JC. Mitigation of doxorubicin-induced cardiotoxicity with an H2O2-Activated, H2S-Donating hybrid prodrug. Redox Biol 2022; 53:102338. [PMID: 35609400 PMCID: PMC9126844 DOI: 10.1016/j.redox.2022.102338] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/02/2022] [Accepted: 05/11/2022] [Indexed: 01/25/2023] Open
Affiliation(s)
- Qiwei Hu
- Department of Chemistry, Wake Forest University, Wake Downtown Campus, Winston-Salem, NC, 27101, USA
| | - Rama D Yammani
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | | | - David R Soto-Pantoja
- Department of Cancer Biology and Department of Surgery/Hypertension, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Leslie B Poole
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA.
| | - John C Lukesh
- Department of Chemistry, Wake Forest University, Wake Downtown Campus, Winston-Salem, NC, 27101, USA.
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Mhatre S, Opere CA, Singh S. Unmet needs in glaucoma therapy: The potential role of hydrogen sulfide and its delivery strategies. J Control Release 2022; 347:256-269. [PMID: 35526614 DOI: 10.1016/j.jconrel.2022.05.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 12/26/2022]
Abstract
Glaucoma is an optic neuropathy disorder marked by progressive degeneration of the retinal ganglion cells (RGC). It is a leading cause of blindness worldwide, prevailing in around 2.2% of the global population. The hallmark of glaucoma, intraocular pressure (IOP), is governed by the aqueous humor dynamics which plays a crucial role in the pathophysiology of the diesease. Glaucomatous eye has an IOP of more than 22 mmHg as compared to normotensive pressure of 10-21 mmHg. Currently used treatments focus on reducing the elevated IOP through use of classes of drugs that either increase aqueous humor outflow and/or decrease its production. However, effective treatments should not only reduce IOP, but also offer neuroprotection and regeneration of RGCs. Hydrogen Sulfide (H2S), a gasotransmitter with several endogenous functions in mammalian tissues, is being investigated for its potential application in glaucoma. In addition to decreasing IOP by increasing aqueous humor outflow, it scavenges reactive oxygen species, upregulates the cellular antioxidant glutathione and protects RGCs from excitotoxicity. Despite the potential of H2S in glaucoma, its delivery to anterior and posterior regions of the eye is a challenge due to its unique physicochemical properties. Firstly, development of any delivery system should not require an aqueous environment since many H2S donors are susceptible to burst release of the gas in contact with water, causing potential toxicity and adverse effects owing to its inherent toxicity at higher concentrations. Secondly, the release of the gas from the donor needs to be sustained for a prolonged period of time to reduce dosing frequency as per the requirements of regulatory bodies. Lastly, the delivery system should provide adequate bioavailability throughout its period of application. Hence, an ideal delivery system should aim to tackle all the above challenges related to barriers of ocular delivery and physicochemical properties of H2S itself. This review discusses the therapeutic potential of H2S, its delivery challenges and strategies to overcome the associated chalenges.
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Affiliation(s)
- Susmit Mhatre
- School of Pharmacy and Health Professions, Creighton University, Omaha, NE 68178, USA.
| | - Catherine A Opere
- School of Pharmacy and Health Professions, Creighton University, Omaha, NE 68178, USA.
| | - Somnath Singh
- School of Pharmacy and Health Professions, Creighton University, Omaha, NE 68178, USA.
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Zafonte RD, Wang L, Arbelaez CA, Dennison R, Teng YD. Medical Gas Therapy for Tissue, Organ, and CNS Protection: A Systematic Review of Effects, Mechanisms, and Challenges. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104136. [PMID: 35243825 PMCID: PMC9069381 DOI: 10.1002/advs.202104136] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 01/10/2022] [Indexed: 05/13/2023]
Abstract
Gaseous molecules have been increasingly explored for therapeutic development. Here, following an analytical background introduction, a systematic review of medical gas research is presented, focusing on tissue protections, mechanisms, data tangibility, and translational challenges. The pharmacological efficacies of carbon monoxide (CO) and xenon (Xe) are further examined with emphasis on intracellular messengers associated with cytoprotection and functional improvement for the CNS, heart, retina, liver, kidneys, lungs, etc. Overall, the outcome supports the hypothesis that readily deliverable "biological gas" (CO, H2 , H2 S, NO, O2 , O3 , and N2 O) or "noble gas" (He, Ar, and Xe) treatment may preserve cells against common pathologies by regulating oxidative, inflammatory, apoptotic, survival, and/or repair processes. Specifically, CO, in safe dosages, elicits neurorestoration via igniting sGC/cGMP/MAPK signaling and crosstalk between HO-CO, HIF-1α/VEGF, and NOS pathways. Xe rescues neurons through NMDA antagonism and PI3K/Akt/HIF-1α/ERK activation. Primary findings also reveal that the need to utilize cutting-edge molecular and genetic tactics to validate mechanistic targets and optimize outcome consistency remains urgent; the number of neurotherapeutic investigations is limited, without published results from large in vivo models. Lastly, the broad-spectrum, concurrent multimodal homeostatic actions of medical gases may represent a novel pharmaceutical approach to treating critical organ failure and neurotrauma.
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Affiliation(s)
- Ross D. Zafonte
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Neurotrauma Recovery Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
- Spaulding Research InstituteSpaulding Rehabilitation Hospital NetworkBostonMA02129USA
| | - Lei Wang
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Laboratory of SCI, Stem Cell and Recovery Neurobiology Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
| | - Christian A. Arbelaez
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Laboratory of SCI, Stem Cell and Recovery Neurobiology Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
| | - Rachel Dennison
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Laboratory of SCI, Stem Cell and Recovery Neurobiology Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
| | - Yang D. Teng
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Neurotrauma Recovery Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
- Spaulding Research InstituteSpaulding Rehabilitation Hospital NetworkBostonMA02129USA
- Laboratory of SCI, Stem Cell and Recovery Neurobiology Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
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Ni X, Kelly SS, Xu S, Xian M. The Path to Controlled Delivery of Reactive Sulfur Species. Acc Chem Res 2021; 54:3968-3978. [PMID: 34607436 DOI: 10.1021/acs.accounts.1c00506] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Reactive sulfur species (RSS) play regulatory roles in many physiological and pathological processes. Since the discovery of hydrogen sulfide (H2S) as a nitric oxide (NO)-like signaling molecule, understanding the chemical biology of H2S and H2S-related RSS, such as hydropersulfides (RSSH) and polysulfides (H2Sn), has become a fast-growing research field. However, the research on these RSS has technical difficulties due to their high reactivity and instability. To solve this problem, considerable efforts have been put into the development of unique RSS releasing compounds (e.g., donors) or in situ RSS generation systems. This Account tells the story of our research group's effort to develop novel RSS donors.We began with exploring molecular entities that were stable by themselves but could be triggered by biologically relevant factors, such as pH, thiols, light, or enzymes, to release H2S in a controllable fashion. These studies led to the discovery of a series of novel H2S donors. We later expanded our interests to other RSS including RSSH, H2Sn, RSeSH, HSNO, RSOH, etc. The fundamental chemistry of these RSS was studied and applied to the development of the corresponding donors. In addition to small molecule donors, we also worked on H2S-releasing biomaterials and their applications. This Account summarizes our work and systematically explains how each RSS donor template was proposed and evaluated. The Account covers the following key points: (1) rational chemistry design of each RSS donor template, (2) evaluation and mechanistic insights of each donor template, and (3) properties and biological applications of the donors.
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Affiliation(s)
- Xiang Ni
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Shane S. Kelly
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Shi Xu
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Ming Xian
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
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Abstract
PURPOSE Hydrogen sulfide (H2S) has many beneficial biological properties, including the ability to promote vasodilation. It has been shown to be released from stem cells and increased by hypoxia. Therefore, H2S may be an important paracrine factor in stem cell-mediated intestinal protection. We hypothesized that H2S created through conventional pathways would be a critical component of stem cell-mediated intestinal protection after ischemic injury. METHODS Human bone marrow-derived mesenchymal stem cells (BMSCs) were transfected with negative control siRNA (Scramble), or with siRNA to CBS, MPST, or CTH. Knockdown was confirmed with PCR and H2S gas assessed with AzMC fluorophore. Eight-week-old male mice then underwent intestinal ischemia for 60 min, after which time, perfusion was restored. BMSCs from each of the above groups were then placed into the mouse abdominal cavity before final closure. After 24 h, mice were reanesthetized and mesenteric perfusion was assessed by Laser Doppler Imaging (LDI). Animals were then sacrificed and intestines excised, placed in formalin, paraffin embedded, and stained with H & E. Intestines were then scored with a common mucosal injury grading scale. RESULTS PCR confirmed knockdown of conventional H2S-producing enzymes (CBS, MPST, CTH). H2S gas was decreased in MPST and CTH-transfected cells in normoxic conditions, but was not decreased compared with Scramble in any of the transfected groups in hypoxic conditions. BMSCs promoted increased mesenteric perfusion at 24 h postischemia compared with vehicle. Transfected stem cells provided equivalent protection. Histologic injury was improved with BMSCs compared with vehicle. CBS, MPST, and CTH knockdown cell lines did not have any worse histological injury compared with Scramble. CONCLUSIONS Knocking down conventional H2S-producing enzymes only impacted gas production in normoxic conditions. When cells were transfected in hypoxic conditions, as would be expected in the ischemic intestines, H2S gas was not depressed. These data, along with unchanged perfusion and histological injury parameters with conventional enzyme knockdown, would indicate that alternative H2S production pathways may be initiated during hypoxic and/or ischemic events.
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12
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Sokolov AS, Nekrasov PV, Shaposhnikov MV, Moskalev AA. Hydrogen sulfide in longevity and pathologies: Inconsistency is malodorous. Ageing Res Rev 2021; 67:101262. [PMID: 33516916 DOI: 10.1016/j.arr.2021.101262] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 01/18/2021] [Accepted: 01/24/2021] [Indexed: 02/08/2023]
Abstract
Hydrogen sulfide (H2S) is one of the biologically active gases (gasotransmitters), which plays an important role in various physiological processes and aging. Its production in the course of methionine and cysteine catabolism and its degradation are finely balanced, and impairment of H2S homeostasis is associated with various pathologies. Despite the strong geroprotective action of exogenous H2S in C. elegans, there are controversial effects of hydrogen sulfide and its donors on longevity in other models, as well as on stress resistance, age-related pathologies and aging processes, including regulation of senescence-associated secretory phenotype (SASP) and senescent cell anti-apoptotic pathways (SCAPs). Here we discuss that the translation potential of H2S as a geroprotective compound is influenced by a multiplicity of its molecular targets, pleiotropic biological effects, and the overlapping ranges of toxic and beneficial doses. We also consider the challenges of the targeted delivery of H2S at the required dose. Along with this, the complexity of determining the natural levels of H2S in animal and human organs and their ambiguous correlations with longevity are reviewed.
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Zhu C, Suarez SI, Lukesh JC. Illuminating and alleviating cellular oxidative stress with an ROS-activated, H2S-donating theranostic. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152944] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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14
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Pałasz A, Menezes IC, Worthington JJ. The role of brain gaseous neurotransmitters in anxiety. Pharmacol Rep 2021; 73:357-371. [PMID: 33713315 PMCID: PMC7994231 DOI: 10.1007/s43440-021-00242-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 02/12/2021] [Accepted: 02/20/2021] [Indexed: 12/14/2022]
Abstract
Although anxiety is perhaps one of the most significant current medical and social problems, the neurochemical mechanistic background of this common condition remains to be fully understood. Multifunctional regulatory gasotransmitters are novel, atypical inorganic factors of the brain that are involved in the mechanisms of anxiety responses. Nitric oxide (NO) signaling shows ambiguous action in animal models of anxiety, while NO donors exert anxiogenic or anxiolytic effect depending on their chemical structure, dose, treatment schedule and gas release rapidity. The majority of NO synthase inhibitors act as a relatively potent axiolytic agents, while hydrogen sulfide (H2S) and carbon monoxide (CO) delivered experimentally in the form of "slow" or "fast" releasing donors have recently been considered as anxiolytic neurotransmitters. In this comprehensive review we critically summarize the literature regarding the intriguing roles of NO, H2S and CO in the neuromolecular mechanisms of anxiety in the context of their putative, yet promising therapeutic application. A possible mechanism of gasotransmitter action at the level of anxiety-related synaptic transmission is also presented. Brain gasesous neuromediators urgently require further wide ranging studies to clarify their potential value for the current neuropharmacology of anxiety disorders.
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Affiliation(s)
- Artur Pałasz
- Department of Histology, School of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 18, 40-752, Katowice, Poland.
| | - Itiana Castro Menezes
- Department of Neurosciences and Behavior, Faculty of Medicine, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - John J Worthington
- Division of Biomedical and Life Sciences, Faculty of Health and Medicine, Lancaster University, Lancaster, LA1 4YQ, UK
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15
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Opoku-Damoah Y, Zhang R, Ta HT, Amilan Jose D, Sakla R, Xu ZP. Lipid-encapsulated upconversion nanoparticle for near-infrared light-mediated carbon monoxide release for cancer gas therapy. Eur J Pharm Biopharm 2021; 158:211-221. [DOI: 10.1016/j.ejpb.2020.11.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/15/2020] [Accepted: 11/22/2020] [Indexed: 12/16/2022]
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16
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Shah N, Zhou L. Regulation of Ion Channel Function by Gas Molecules. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1349:139-164. [DOI: 10.1007/978-981-16-4254-8_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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17
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Ornatowski W, Lu Q, Yegambaram M, Garcia AE, Zemskov EA, Maltepe E, Fineman JR, Wang T, Black SM. Complex interplay between autophagy and oxidative stress in the development of pulmonary disease. Redox Biol 2020; 36:101679. [PMID: 32818797 PMCID: PMC7451718 DOI: 10.1016/j.redox.2020.101679] [Citation(s) in RCA: 187] [Impact Index Per Article: 46.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/20/2020] [Accepted: 08/04/2020] [Indexed: 12/16/2022] Open
Abstract
The autophagic pathway involves the encapsulation of substrates in double-membraned vesicles, which are subsequently delivered to the lysosome for enzymatic degradation and recycling of metabolic precursors. Autophagy is a major cellular defense against oxidative stress, or related conditions that cause accumulation of damaged proteins or organelles. Selective forms of autophagy can maintain organelle populations or remove aggregated proteins. Dysregulation of redox homeostasis under pathological conditions results in excessive generation of reactive oxygen species (ROS), leading to oxidative stress and the associated oxidative damage of cellular components. Accumulating evidence indicates that autophagy is necessary to maintain redox homeostasis. ROS activates autophagy, which facilitates cellular adaptation and diminishes oxidative damage by degrading and recycling intracellular damaged macromolecules and dysfunctional organelles. The cellular responses triggered by oxidative stress include the altered regulation of signaling pathways that culminate in the regulation of autophagy. Current research suggests a central role for autophagy as a mammalian oxidative stress response and its interrelationship to other stress defense systems. Altered autophagy phenotypes have been observed in lung diseases such as chronic obstructive lung disease, acute lung injury, cystic fibrosis, idiopathic pulmonary fibrosis, and pulmonary arterial hypertension, and asthma. Understanding the mechanisms by which ROS regulate autophagy will provide novel therapeutic targets for lung diseases. This review highlights our current understanding on the interplay between ROS and autophagy in the development of pulmonary disease.
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Affiliation(s)
- Wojciech Ornatowski
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA
| | - Qing Lu
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA
| | | | - Alejandro E Garcia
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA
| | - Evgeny A Zemskov
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA
| | - Emin Maltepe
- Department of Pediatrics, The University of California, San Francisco, San Francisco, CA, USA
| | - Jeffrey R Fineman
- Department of Pediatrics, The University of California, San Francisco, San Francisco, CA, USA; Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA, USA
| | - Ting Wang
- Department of Internal Medicine, The University of Arizona Health Sciences, Phoenix, AZ, USA
| | - Stephen M Black
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA.
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Dilek N, Papapetropoulos A, Toliver-Kinsky T, Szabo C. Hydrogen sulfide: An endogenous regulator of the immune system. Pharmacol Res 2020; 161:105119. [PMID: 32781284 DOI: 10.1016/j.phrs.2020.105119] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/30/2020] [Accepted: 07/30/2020] [Indexed: 12/12/2022]
Abstract
Hydrogen sulfide (H2S) is now recognized as an endogenous signaling gasotransmitter in mammals. It is produced by mammalian cells and tissues by various enzymes - predominantly cystathionine β-synthase (CBS), cystathionine γ-lyase (CSE) and 3-mercaptopyruvate sulfurtransferase (3-MST) - but part of the H2S is produced by the intestinal microbiota (colonic H2S-producing bacteria). Here we summarize the available information on the production and functional role of H2S in the various cell types typically associated with innate immunity (neutrophils, macrophages, dendritic cells, natural killer cells, mast cells, basophils, eosinophils) and adaptive immunity (T and B lymphocytes) under normal conditions and as it relates to the development of various inflammatory and immune diseases. Special attention is paid to the physiological and the pathophysiological aspects of the oral cavity and the colon, where the immune cells and the parenchymal cells are exposed to a special "H2S environment" due to bacterial H2S production. H2S has many cellular and molecular targets. Immune cells are "surrounded" by a "cloud" of H2S, as a result of endogenous H2S production and exogenous production from the surrounding parenchymal cells, which, in turn, importantly regulates their viability and function. Downregulation of endogenous H2S producing enzymes in various diseases, or genetic defects in H2S biosynthetic enzyme systems either lead to the development of spontaneous autoimmune disease or accelerate the onset and worsen the severity of various immune-mediated diseases (e.g. autoimmune rheumatoid arthritis or asthma). Low, regulated amounts of H2S, when therapeutically delivered by small molecule donors, improve the function of various immune cells, and protect them against dysfunction induced by various noxious stimuli (e.g. reactive oxygen species or oxidized LDL). These effects of H2S contribute to the maintenance of immune functions, can stimulate antimicrobial defenses and can exert anti-inflammatory therapeutic effects in various diseases.
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Affiliation(s)
- Nahzli Dilek
- Chair of Pharmacology, Section of Medicine, University of Fribourg, Switzerland
| | - Andreas Papapetropoulos
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece
| | - Tracy Toliver-Kinsky
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA
| | - Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, Switzerland; Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA.
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MZe786 Rescues Cardiac Mitochondrial Activity in High sFlt-1 and Low HO-1 Environment. Antioxidants (Basel) 2020; 9:antiox9070598. [PMID: 32660064 PMCID: PMC7402164 DOI: 10.3390/antiox9070598] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/02/2020] [Accepted: 07/06/2020] [Indexed: 12/14/2022] Open
Abstract
Hypertensive disorder in pregnancy is a major cause of maternal and perinatal mortality worldwide. Women who have had preeclampsia are at three to four times higher risk in later life of developing high blood pressure and heart disease. Soluble Flt-1 (sFlt-1) is elevated in preeclampsia and may remain high postpartum in women with a history of preeclampsia. Heme oxygenase-1 (Hmox1/HO-1) exerts protective effects against oxidative stimuli and is compromised in the placenta of pregnant women with preeclampsia. We hypothesized that sFlt-1 inhibits cardiac mitochondrial activity in HO-1 deficient mice. HO-1 haplo-insufficient mice (Hmox1+/−) were injected with adenovirus encoding sFlt-1 (Ad-sFlt-1) or control virus (Ad-CMV). Subsequently, they were treated daily with either placebo or MZe786 for six days, when the heart tissue was harvested to assess cardiac mitochondrial activity. Here, we show that the loss of HO-1 disturbed cardiac mitochondrial respiration and reduced mitochondrial biogenesis. The overexpression of sFlt-1 resulted in the inhibition of the cardiac mitochondrial activity in Hmox1+/− mice. The present study demonstrates that the hydrogen sulfide (H2S) releasing molecule, MZe786, rescues mitochondrial activity by stimulating cardiac mitochondrial biogenesis and antioxidant defense in Hmox1−/− mice and in Hmox1+/− mice exposed to a high sFlt-1 environment.
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20
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Markel TA, Drucker NA, Jensen AR, Olson KR. Human Mesenchymal Stem Cell Hydrogen Sulfide Production Critically Impacts the Release of Other Paracrine Mediators After Injury. J Surg Res 2020; 254:75-82. [PMID: 32417499 DOI: 10.1016/j.jss.2020.04.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/09/2020] [Accepted: 04/11/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND The use of mesenchymal stem cells (MSCs) for treatment during ischemia is novel. Hydrogen sulfide (H2S) is an important paracrine mediator that is released from MSCs to facilitate angiogenesis and vasodilation. Three enzymes, cystathionine-beta-synthase (CBS), cystathionine-gamma-lyase (CSE), and 3-mercaptopyruvate-sulfurtransferase (MPST), are mainly responsible for H2S production. However, it is unclear how these enzymes impact the production of other critical growth factors and chemokines. We hypothesized that the enzymes responsible for H2S production in human MSCs would also critically regulate other growth factors and chemokines. MATERIALS AND METHODS Human MSCs were transfected with CBS, MPST, CSE, or negative control small interfering RNA. Knockdown of enzymes was confirmed by polymerase chain reaction. Cells were plated in 12-well plates at 100,000 cells per well and stimulated with tumor necrosis factor-α (TNF-α; 50 ng/mL), lipopolysaccharide (LPS; 200 ng/mL), or 5% hypoxia for 24 h. Supernatants were collected, and cytokines measured by multiplex beaded assay. Data were compared with the Mann-Whitney U-test, and P < 0.05 was significant. RESULTS TNF-α, LPS, and hypoxia effectively stimulated MSCs. Granulocyte colony-stimulating factor (GCSF), epidermal growth factor, fibroblast growth factor, granulocyte/monocyte colony-stimulating factor (GMCSF), vascular endothelial growth factor, and interferon gamma-inducible protein 10 were all significantly elevated when CSE was knocked down during TNF-α stimulation (P < 0.05). Knockdown of MPST during LPS stimulation more readily increased GCSF and epidermal growth factor but decreased GMCSF (P < 0.05). CBS knockdown decreased production of GCSF, fibroblast growth factor, GMCSF, and vascular endothelial growth factor (P < 0.05) after hypoxia. CONCLUSIONS The enzymes that produce H2S in MSCs are also responsible for the production of other stem cell paracrine mediators under stressful stimuli. Therefore, reprogramming MSCs to endogenously produce more H2S as a therapeutic intervention could also critically impact other paracrine mediators, which may alter the desired beneficial effects.
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Affiliation(s)
- Troy A Markel
- Section of Pediatric Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana; Riley Hospital for Children at Indiana University Health, Indianapolis, Indiana; Department of Physiology, Indiana University School of Medicine, South Bend, Indiana.
| | - Natalie A Drucker
- Section of Pediatric Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana; Department of Physiology, Indiana University School of Medicine, South Bend, Indiana
| | - Amanda R Jensen
- Section of Pediatric Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana; Department of Physiology, Indiana University School of Medicine, South Bend, Indiana
| | - Kenneth R Olson
- Section of Pediatric Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana; Riley Hospital for Children at Indiana University Health, Indianapolis, Indiana; Department of Physiology, Indiana University School of Medicine, South Bend, Indiana
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21
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Marutani E, Ichinose F. Emerging pharmacological tools to control hydrogen sulfide signaling in critical illness. Intensive Care Med Exp 2020; 8:5. [PMID: 32006269 PMCID: PMC6994583 DOI: 10.1186/s40635-020-0296-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 01/20/2020] [Indexed: 12/25/2022] Open
Abstract
Hydrogen sulfide (H2S) has long been known as a toxic environmental hazard. Discovery of physiological roles of H2S as a neurotransmitter by Kimura and colleagues triggered an intensive research in the biological roles of H2S in the past decades. Manipulation of H2S levels by inhibiting H2S synthesis or administration of H2S-releasing molecules revealed beneficial as well as harmful effects of H2S. As a result, it is now established that H2S levels are tightly controlled and too much or too little H2S levels cause harm. Nonetheless, translation of sulfide-based therapy to clinical practice has been stymied due to the very low therapeutic index of sulfide and the incomplete understanding of endogenous sulfide metabolism. One potential strategy to circumvent this problem is to use a safe and stable sulfide metabolite that may mediate effects of H2S. Alternatively, endogenous sulfide levels may be controlled using specific sulfide scavengers. In this review article, the role of endogenous H2S production and catabolism will be briefly reviewed followed by an introduction of thiosulfate and H2S scavengers as novel pharmacological tools to control H2S-dependent signaling.
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Affiliation(s)
- Eizo Marutani
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
| | - Fumito Ichinose
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
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22
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Giuffrè A, Tomé CS, Fernandes DGF, Zuhra K, Vicente JB. Hydrogen Sulfide Metabolism and Signaling in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1219:335-353. [PMID: 32130707 DOI: 10.1007/978-3-030-34025-4_17] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hydrogen sulfide (H2S), while historically perceived merely as a toxicant, has progressively emerged as a key regulator of numerous processes in mammalian physiology, exerting its signaling function essentially through interaction with and/or modification of proteins, targeting mainly cysteine residues and metal centers. As a gaseous signaling molecule that freely diffuses across aqueous and hydrophobic biological milieu, it has been designated the third 'gasotransmitter' in mammalian physiology. H2S is synthesized and detoxified by specialized endogenous enzymes that operate under a tight regulation, ensuring homeostatic levels of this otherwise toxic molecule. Indeed, imbalances in H2S levels associated with dysfunctional H2S metabolism have been growingly correlated with various human pathologies, from cardiovascular and neurodegenerative diseases to cancer. Several cancer cell lines and specimens have been shown to naturally overexpress one or more of the H2S-synthesizing enzymes. The resulting increased H2S levels have been proposed to promote cancer development through the regulation of various cancer-related processes, which led to the interest in pharmacological targeting of H2S metabolism. Herein are summarized some of the key observations that place H2S metabolism and signaling pathways at the forefront of the cellular mechanisms that support the establishment and development of a tumor within its complex and challenging microenvironment. Special emphasis is given to the mechanisms whereby H2S helps shaping cancer cell bioenergetic metabolism and affords resistance and adaptive mechanisms to hypoxia.
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Affiliation(s)
| | - Catarina S Tomé
- Instituto de Tecnologia Química e Biológica António Xavier, NOVA University of Lisbon, Oeiras, Portugal
| | - Dalila G F Fernandes
- Instituto de Tecnologia Química e Biológica António Xavier, NOVA University of Lisbon, Oeiras, Portugal
| | - Karim Zuhra
- CNR Institute of Molecular Biology and Pathology, Rome, Italy
- Department of Biochemical Sciences, Sapienza University of Rome, Rome, Italy
| | - João B Vicente
- Instituto de Tecnologia Química e Biológica António Xavier, NOVA University of Lisbon, Oeiras, Portugal.
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23
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Te Winkel J, John QE, Hosfield BD, Drucker NA, Das A, Olson KR, Markel TA. Mesenchymal stem cells promote mesenteric vasodilation through hydrogen sulfide and endothelial nitric oxide. Am J Physiol Gastrointest Liver Physiol 2019; 317:G441-G446. [PMID: 31343254 PMCID: PMC6842994 DOI: 10.1152/ajpgi.00132.2019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Mesenteric ischemia is a devastating process that can result in intestinal necrosis. Mesenchymal stem cells (MSCs) are becoming a promising treatment modality. We hypothesized that 1) MSCs would promote vasodilation of mesenteric arterioles, 2) hydrogen sulfide (H2S) would be a critical paracrine factor of stem cell-mediated vasodilation, 3) mesenteric vasodilation would be impaired in the absence of endothelial nitric oxide synthase (eNOS) within the host tissue, and 4) MSCs would improve the resistin-to-adiponectin ratio in mesenteric vessels. H2S was measured with a specific fluorophore (7-azido-3-methylcoumarin) in intact MSCs and in cells with the H2S-producing enzyme cystathionine β synthase (CBS) knocked down with siRNA. Mechanical responses of isolated second- and third-order mesenteric arteries (MAs) from wild-type and eNOS knockout (eNOSKO) mice were monitored with pressure myography, after which the vessels were snap frozen and later analyzed for resistin and adiponectin via multiplex beaded assay. Addition of MSCs to the myograph bath significantly increased vasodilation of norepinephrine-precontracted MAs. Knockdown of CBS in MSCs decreased H2S production by MSCs and also decreased MSC-initiated MA dilation. MSC-initiated vasodilation was further reduced in eNOSKO vessels. The MA resistin-to-adiponectin ratio was higher in eNOSKO vessels compared with wild-type. These results show that MSC treatment promotes dilation of MAs by an H2S-dependent mechanism. Furthermore, functional eNOS within the host mesenteric bed appears to be essential for maximum stem cell therapeutic benefit, which may be attributable, in part, to modifications in the resistin-to-adiponectin ratio.NEW & NOTEWORTHY Stem cells have been shown to improve survival, mesenteric perfusion, and histological injury scores following intestinal ischemia. These benefits may be due to the paracrine release of hydrogen sulfide. In an ex vivo pressure myography model, we observed that mesenteric arterial dilation improved with stem cell treatment. Hydrogen sulfide release from stem cells and endothelial nitric oxide synthase within the vessels were critical components of optimizing stem cell-mediated mesenteric artery dilation.
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Affiliation(s)
- Jan Te Winkel
- 1Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana,2Indiana University School of Medicine, Indianapolis, Indiana
| | - Quincy E. John
- 1Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana,2Indiana University School of Medicine, Indianapolis, Indiana
| | - Brian D. Hosfield
- 1Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana,2Indiana University School of Medicine, Indianapolis, Indiana
| | - Natalie A. Drucker
- 1Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana,2Indiana University School of Medicine, Indianapolis, Indiana
| | - Amitava Das
- 1Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana,2Indiana University School of Medicine, Indianapolis, Indiana,3Indiana Center for Regenerative Medicine and Engineering, Indianapolis, Indiana
| | - Ken R. Olson
- 4Indiana University School of Medicine, South Bend, Indiana
| | - Troy A. Markel
- 1Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana,2Indiana University School of Medicine, Indianapolis, Indiana,5Riley Hospital for Children at Indiana University Health, Indianapolis, Indiana
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24
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Lee TI, Kao YH, Baigalmaa L, Lee TW, Lu YY, Chen YC, Chao TF, Chen YJ. Sodium hydrosulphide restores tumour necrosis factor-α-induced mitochondrial dysfunction and metabolic dysregulation in HL-1 cells. J Cell Mol Med 2019; 23:7641-7650. [PMID: 31496037 PMCID: PMC6815823 DOI: 10.1111/jcmm.14637] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 06/27/2019] [Accepted: 08/06/2019] [Indexed: 01/22/2023] Open
Abstract
Tumour necrosis factor (TNF)‐α induces cardiac metabolic disorder and mitochondrial dysfunction. Hydrogen sulphide (H2S) contains anti‐inflammatory and biological effects in cardiomyocytes. This study investigated whether H2S modulates TNF‐α‐dysregulated mitochondrial function and metabolism in cardiomyocytes. HL‐1 cells were incubated with TNF‐α (25 ng/mL) with or without sodium hydrosulphide (NaHS, 0.1 mmol/L) for 24 hours. Cardiac peroxisome proliferator‐activated receptor (PPAR) isoforms, pro‐inflammatory cytokines, receptor for advanced glycation end products (RAGE) and fatty acid metabolism were evaluated through Western blotting. The mitochondrial oxygen consumption rate and adenosine triphosphate (ATP) production were investigated using Seahorse XF24 extracellular flux analyzer and bioluminescence assay. Fluorescence intensity using 2′, 7′‐dichlorodihydrofluorescein diacetate was used to evaluate mitochondrial oxidative stress. NaHS attenuated the impaired basal and maximal respiration, ATP production and ATP synthesis and enhanced mitochondrial oxidative stress in TNF‐α‐treated HL‐1 cells. TNF‐α‐treated HL‐1 cells exhibited lower expression of PPAR‐α, PPAR‐δ, phosphorylated 5′ adenosine monophosphate‐activated protein kinase‐α2, phosphorylated acetyl CoA carboxylase, carnitine palmitoyltransferase‐1, PPAR‐γ coactivator 1‐α and diacylglycerol acyltransferase 1 protein, but higher expression of PPAR‐γ, interleukin‐6 and RAGE protein than control or combined NaHS and TNF‐α‐treated HL‐1 cells. NaHS modulates the effects of TNF‐α on mitochondria and the cardiometabolic system, suggesting its therapeutic potential for inflammation‐induced cardiac dysfunction.
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Affiliation(s)
- Ting-I Lee
- Department of General Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Endocrinology and Metabolism, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Endocrinology and Metabolism, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Yu-Hsun Kao
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Medical Education and Research, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Lkhagva Baigalmaa
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ting-Wei Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Endocrinology and Metabolism, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Yen-Yu Lu
- Division of Cardiology, Department of Internal Medicine, Sijhih Cathay General Hospital, New Taipei City, Taiwan
| | - Yao-Chang Chen
- Department of Biomedical Engineering, National Defense Medical Center, Taipei, Taiwan
| | - Tze-Fan Chao
- Department of Medicine, Heart Rhythm Center and Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan.,Institute of Clinical Medicine and Cardiovascular Research Center, National Yang-Ming University, Taipei, Taiwan
| | - Yi-Jen Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Cardiovascular Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.,Cardiovascular Research Center, Wan Fang Hospital, Taipei Medical Univsersity, Taipei, Taiwan
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25
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Yang CT, Wang Y, Marutani E, Ida T, Ni X, Xu S, Chen W, Zhang H, Akaike T, Ichinose F, Xian M. Data-Driven Identification of Hydrogen Sulfide Scavengers. Angew Chem Int Ed Engl 2019; 58:10898-10902. [PMID: 31194894 DOI: 10.1002/anie.201905580] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 06/09/2019] [Indexed: 11/10/2022]
Abstract
Hydrogen sulfide (H2 S) is an important signaling molecule whose up- and down-regulation have specific biological consequences. Although significant advances in H2 S up-regulation, by the development of H2 S donors, have been achieved in recent years, precise H2 S down-regulation is still challenging. The lack of potent/specific inhibitors for H2 S-producing enzymes contributes to this problem. We expect the development of H2 S scavengers is an alternative approach to address this problem. Since chemical sensors and scavengers of H2 S share the same criteria, we constructed a H2 S sensor database, which summarizes key parameters of reported sensors. Data-driven analysis led to the selection of 30 potential compounds. Further evaluation of these compounds identified a group of promising scavengers, based on the sulfonyl azide template. The efficiency of these scavengers in in vitro and in vivo experiments was demonstrated.
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Affiliation(s)
- Chun-Tao Yang
- Affiliated Cancer Hospital & Institute, Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510095, China
| | - Yingying Wang
- Dept. Chemistry, Washington State University, Pullman, 99164, WA, USA
| | - Eizo Marutani
- Dept. Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital/Harvard Medical School, Boston, MA, 02114, USA
| | - Tomoaki Ida
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University, Sendai, 980-8575, Japan
| | - Xiang Ni
- Dept. Chemistry, Washington State University, Pullman, 99164, WA, USA
| | - Shi Xu
- Dept. Chemistry, Washington State University, Pullman, 99164, WA, USA
| | - Wei Chen
- Dept. Chemistry, Washington State University, Pullman, 99164, WA, USA
| | - Hui Zhang
- Affiliated Cancer Hospital & Institute, Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510095, China
| | - Takaaki Akaike
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University, Sendai, 980-8575, Japan
| | - Fumito Ichinose
- Dept. Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital/Harvard Medical School, Boston, MA, 02114, USA
| | - Ming Xian
- Dept. Chemistry, Washington State University, Pullman, 99164, WA, USA
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Yang C, Wang Y, Marutani E, Ida T, Ni X, Xu S, Chen W, Zhang H, Akaike T, Ichinose F, Xian M. Data‐Driven Identification of Hydrogen Sulfide Scavengers. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905580] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Chun‐tao Yang
- Affiliated Cancer Hospital & Institute, Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University Guangzhou 510095 China
| | - Yingying Wang
- Dept. Chemistry Washington State University Pullman 99164 WA USA
| | - Eizo Marutani
- Dept. Anesthesia Critical Care and Pain Medicine Massachusetts General Hospital/Harvard Medical School Boston MA 02114 USA
| | - Tomoaki Ida
- Department of Environmental Medicine and Molecular Toxicology Tohoku University Sendai 980-8575 Japan
| | - Xiang Ni
- Dept. Chemistry Washington State University Pullman 99164 WA USA
| | - Shi Xu
- Dept. Chemistry Washington State University Pullman 99164 WA USA
| | - Wei Chen
- Dept. Chemistry Washington State University Pullman 99164 WA USA
| | - Hui Zhang
- Affiliated Cancer Hospital & Institute, Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University Guangzhou 510095 China
| | - Takaaki Akaike
- Department of Environmental Medicine and Molecular Toxicology Tohoku University Sendai 980-8575 Japan
| | - Fumito Ichinose
- Dept. Anesthesia Critical Care and Pain Medicine Massachusetts General Hospital/Harvard Medical School Boston MA 02114 USA
| | - Ming Xian
- Dept. Chemistry Washington State University Pullman 99164 WA USA
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Zaorska E, Hutsch T, Gawryś-Kopczyńska M, Ostaszewski R, Ufnal M, Koszelewski D. Evaluation of thioamides, thiolactams and thioureas as hydrogen sulfide (H2S) donors for lowering blood pressure. Bioorg Chem 2019; 88:102941. [DOI: 10.1016/j.bioorg.2019.102941] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 04/08/2019] [Accepted: 04/18/2019] [Indexed: 01/15/2023]
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Hydrogen Sulfide Oxidation: Adaptive Changes in Mitochondria of SW480 Colorectal Cancer Cells upon Exposure to Hypoxia. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8102936. [PMID: 30838088 PMCID: PMC6374825 DOI: 10.1155/2019/8102936] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 12/10/2018] [Indexed: 02/06/2023]
Abstract
Hydrogen sulfide (H2S), a known inhibitor of cytochrome c oxidase (CcOX), plays a key signaling role in human (patho)physiology. H2S is synthesized endogenously and mainly metabolized by a mitochondrial sulfide-oxidizing pathway including sulfide:quinone oxidoreductase (SQR), whereby H2S-derived electrons are injected into the respiratory chain stimulating O2 consumption and ATP synthesis. Under hypoxic conditions, H2S has higher stability and is synthesized at higher levels with protective effects for the cell. Herein, working on SW480 colon cancer cells, we evaluated the effect of hypoxia on the ability of cells to metabolize H2S. The sulfide-oxidizing activity was assessed by high-resolution respirometry, measuring the stimulatory effect of sulfide on rotenone-inhibited cell respiration in the absence or presence of antimycin A. Compared to cells grown under normoxic conditions (air O2), cells exposed for 24 h to hypoxia (1% O2) displayed a 1.3-fold reduction in maximal sulfide-oxidizing activity and 2.7-fold lower basal O2 respiration. Based on citrate synthase activity assays, mitochondria of hypoxia-treated cells were 1.8-fold less abundant and displayed 1.4-fold higher maximal sulfide-oxidizing activity and 2.6-fold enrichment in SQR as evaluated by immunoblotting. We speculate that under hypoxic conditions mitochondria undergo these adaptive changes to protect cell respiration from H2S poisoning.
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Fu J, Cheng XH, Zhang L. Effect of hydrogen sulphide on inflammatory factors of the mitochondria after limb ischaemia-reperfusion injury in rats. Int Wound J 2019; 16:595-600. [PMID: 30693651 DOI: 10.1111/iwj.13068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 12/18/2018] [Accepted: 12/28/2018] [Indexed: 12/24/2022] Open
Abstract
The goal of this study was to evaluate the effect of hydrogen sulphide on inflammatory factors and the energy metabolism of mitochondria after limb reperfusion injury in rats. Sixty Wistar rats were divided into three groups: the sham operated group, the control group (the ischaemia-reperfusion injury [IRI] + normal saline group), and the experimental group (the IRI + H2 S group). An experimental rat model of limb IRI was established. Skeletal muscle samples were collected to observe the content of necrotic products (including myoglobin (MB), lysophosphatidylcholine (LPC), and lipid peroxidation (LPO)); blood samples were collected to observe changes in the contents of interleukin-1 (IL-1), Interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α); and the mitochondria of skeletal muscle cells were extracted for mitochondrial transmembrane potential measurement and adenosine triphosphate (ATP) content determination. The results underwent further statistical analysis. The contents of MB, LPC, and LPO in the limb skeletal muscle, liver, lung, and kidney tissues of rats in the control group were significantly increased (P < 0.05) after IRI, which was markedly attenuated by treatment with hydrogen sulphide (P < 0.05). Ischaemia/reperfusion of the lower extremities in rats triggered a significant increase in serum levels of IL-1, IL-6, and TNF-α, which was significantly inhibited by treatment with H2 S during ischaemia/reperfusion. In addition, the inhibitory effect tended to be time-dependent. After limb ischaemia/reperfusion, the mitochondrial transmembrane potential of skeletal muscle cells in the control group decreased significantly (P < 0.05), while the potential energy of the mitochondrial membrane in the experimental group was significantly higher than that in the control group (P < 0.05). The content of ATP in mitochondria of skeletal muscle cells of ischaemia-reperfusion rats in the control group was significantly lower than that in the sham operated group (P < 0.05), while the content of ATP of mitochondria in the experimental group after H2 S treatment was significantly higher than the control group (P < 0.05). Hydrogen sulphide can alleviate the injury of skeletal muscle and distal organs after limb ischaemia-reperfusion and reduce local inflammatory reaction, which is essential in alleviating mitochondrial transmembrane potential and energy metabolism disorder during reperfusion injury. The purpose of the study is to summarise the available information and provide theoretical support for the application of hydrogen sulphide in the treatment of limb IRI in skeletal muscle and distal organs.
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Affiliation(s)
- Jun Fu
- Department of Anesthesiology, Renmin Hospital, Hubei University of Medicine, Shiyan, China
| | - Xin-Hua Cheng
- Department of Microscopic Orthopaedic, Renmin Hospital, Hubei University of Medicine, Shiyan, China
| | - Lei Zhang
- Department of Orthopedic Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, China
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Abdulle AE, van Goor H, Mulder DJ. Hydrogen Sulfide: A Therapeutic Option in Systemic Sclerosis. Int J Mol Sci 2018; 19:E4121. [PMID: 30572591 PMCID: PMC6320961 DOI: 10.3390/ijms19124121] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/07/2018] [Accepted: 12/17/2018] [Indexed: 12/11/2022] Open
Abstract
Systemic sclerosis (SSc) is a lethal disease that is characterized by auto-immunity, vascular injury, and progressive fibrosis of multiple organ systems. Despite the fact that the exact etiology of SSc remains unknown, oxidative stress has been associated with a large range of SSc-related complications. In addition to the well-known detrimental properties of reactive oxygen species (ROS), gasotransmitters (e.g., nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H₂S)) are also thought to play an important role in SSc. Accordingly, the diverse physiologic actions of NO and CO and their role in SSc have been previously studied. Recently, multiple studies have also shown the importance of the third gasotransmitter H₂S in both vascular physiology and pathophysiology. Interestingly, homocysteine (which is converted into H₂S through the transsulfuration pathway) is often found to be elevated in SSc patients; suggesting defects in the transsulfuration pathway. Hydrogen sulfide, which is known to have several effects, including a strong antioxidant and vasodilator effect, could potentially play a prominent role in the initiation and progression of vasculopathy. A better understanding of the actions of gasotransmitters, like H₂S, in the development of SSc-related vasculopathy, could help to create early interventions to attenuate the disease course. This paper will review the role of H₂S in vascular (patho-)physiology and potential disturbances in SSc. Moreover, current data from experimental animal studies will be reviewed. Lastly, we will evaluate potential interventional strategies.
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Affiliation(s)
- Amaal Eman Abdulle
- Department of Internal Medicine, Division Vascular Medicine, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands.
| | - Harry van Goor
- Department of Pathology and Medical Biology, Section Pathology, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands.
| | - Douwe J Mulder
- Department of Internal Medicine, Division Vascular Medicine, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands.
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Selenium-Binding Protein 1 in Human Health and Disease. Int J Mol Sci 2018; 19:ijms19113437. [PMID: 30400135 PMCID: PMC6274749 DOI: 10.3390/ijms19113437] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 10/05/2018] [Accepted: 10/31/2018] [Indexed: 12/19/2022] Open
Abstract
Selenium-binding protein 1 (SBP1) is a highly conserved protein that covalently binds selenium. SBP1 may play important roles in several fundamental physiological functions, including protein degradation, intra-Golgi transport, cell differentiation, cellular motility, redox modulation, and the metabolism of sulfur-containing molecules. SBP1 expression is often reduced in many cancer types compared to the corresponding normal tissues and low levels of SBP1 are frequently associated with poor clinical outcome. In this review, the transcriptional regulation of SBP1, the different physiological roles reported for SBP1, as well as the implications of SBP1 function in cancer and other diseases are presented.
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Why is Skeletal Muscle Regeneration Impaired after Myonecrosis Induced by Viperid Snake Venoms? Toxins (Basel) 2018; 10:toxins10050182. [PMID: 29723952 PMCID: PMC5983238 DOI: 10.3390/toxins10050182] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 04/22/2018] [Accepted: 04/25/2018] [Indexed: 12/12/2022] Open
Abstract
Skeletal muscle regeneration after myonecrosis involves the activation, proliferation and fusion of myogenic cells, and a coordinated inflammatory response encompassing phagocytosis of necrotic cell debris, and the concerted synthesis of cytokines and growth factors. Myonecrosis often occurs in snakebite envenomings. In the case of venoms that cause myotoxicity without affecting the vasculature, such as those of many elapid snakes, regeneration proceeds successfully. In contrast, in envenomings by most viperid snakes, which affect the vasculature and extracellular matrix in addition to muscle fibers, regeneration is largely impaired and, therefore, the muscle mass is reduced and replaced by fibro-adipose tissue. This review discusses possible causes for such poor regenerative outcome including: (a) damage to muscle microvasculature, which causes tissue hypoxia and affects the inflammatory response and the timely removal of necrotic tissue; (b) damage to intramuscular nerves, which results in atrophy of regenerating fibers; (c) degradation of muscle cell basement membrane, compromising the spatial niche for proliferating myoblasts; (d) widespread degradation of the extracellular matrix; and (e) persistence of venom components in the damaged tissue, which may affect myogenic cells at critical points in the regenerative process. Understanding the causes of poor muscle regeneration may pave the way for the development of novel therapeutic interventions aimed at fostering the regenerative process in envenomed patients.
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Zhao F, Lei F, Zhang S, Yan X, Wang W, Zheng Y. Hydrogen sulfide alleviates placental injury induced by maternal cigarette smoke exposure during pregnancy in rats. Nitric Oxide 2018; 74:102-111. [DOI: 10.1016/j.niox.2017.07.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 05/28/2017] [Accepted: 07/10/2017] [Indexed: 12/25/2022]
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Karwi QG, Bice JS, Baxter GF. Pre- and postconditioning the heart with hydrogen sulfide (H 2S) against ischemia/reperfusion injury in vivo: a systematic review and meta-analysis. Basic Res Cardiol 2018; 113:6. [PMID: 29242986 PMCID: PMC5730622 DOI: 10.1007/s00395-017-0664-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 12/08/2017] [Indexed: 02/07/2023]
Abstract
Conditioning-like infarct limitation by enhanced level of hydrogen sulfide (H2S) has been demonstrated in many animal models of myocardial ischemia/reperfusion injury (MIRI) in vivo. We sought to evaluate the effect of H2S on myocardial infarction across in vivo pre-clinical studies of MIRI using a comprehensive systematic review followed by meta-analysis. Embase, Pubmed and Web of Science were searched for pre-clinical investigation of the effect of H2S on MIRI in vivo. Retained records (6031) were subjected to our pre-defined inclusion criteria then were objectively critiqued. Thirty-two reports were considered eligible to be included in this study and were grouped, based on the time of H2S application, into preconditioning and postconditioning groups. Data were pooled using random effect meta-analysis. We also investigated the possible impact of different experimental variables and the risk of bias on the observed effect size. Preconditioning with H2S (n = 23) caused a significant infarct limitation of - 20.25% (95% CI - 25.02, - 15.47). Similarly, postconditioning with H2S (n = 40) also limited infarct size by - 21.61% (95% CI - 24.17, - 19.05). This cardioprotection was also robust and consistent following sensitivity analyses where none of the pre-defined experimental variables had a significant effect on the observed infarct limitation. H2S shows a significant infarct limitation across in vivo pre-clinical studies of MIRI which include data from 825 animals. This infarct-sparing effect is robust and consistent when H2S is applied before ischemia or at reperfusion, independently on animal size or sulfide source. Validating this infarct limitation using large animals from standard medical therapy background and with co-morbidities should be the way forward.
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Affiliation(s)
- Qutuba G Karwi
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Redwood Building, King Edward VII Avenue, Cardiff, CF10 3NB, UK.
- Department of Pharmacology, College of Medicine, University of Diyala, Diyala, Iraq.
| | - Justin S Bice
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Redwood Building, King Edward VII Avenue, Cardiff, CF10 3NB, UK
| | - Gary F Baxter
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Redwood Building, King Edward VII Avenue, Cardiff, CF10 3NB, UK
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Severino B, Corvino A, Fiorino F, Luciano P, Frecentese F, Magli E, Saccone I, Di Vaio P, Citi V, Calderone V, Servillo L, Casale R, Cirino G, Vellecco V, Bucci M, Perissutti E, Santagada V, Caliendo G. 1,2,4-Thiadiazolidin-3,5-diones as novel hydrogen sulfide donors. Eur J Med Chem 2018; 143:1677-1686. [DOI: 10.1016/j.ejmech.2017.10.068] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 10/03/2017] [Accepted: 10/24/2017] [Indexed: 11/29/2022]
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Mutations in SELENBP1, encoding a novel human methanethiol oxidase, cause extraoral halitosis. Nat Genet 2017; 50:120-129. [PMID: 29255262 PMCID: PMC5742538 DOI: 10.1038/s41588-017-0006-7] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 11/08/2017] [Indexed: 12/23/2022]
Abstract
Selenium-binding protein 1 (SELENBP1) has been associated with several cancers, although its exact role is unknown. We show that SELENBP1 is a methanethiol oxidase (MTO), related to the MTO in methylotrophic bacteria, that converts methanethiol to H2O2, formaldehyde, and H2S, an activity not previously known to exist in humans. We identified mutations in SELENBP1 in five patients with cabbage-like breath odor. The malodor was attributable to high levels of methanethiol and dimethylsulfide, the main odorous compounds in their breath. Elevated urinary excretion of dimethylsulfoxide was associated with MTO deficiency. Patient fibroblasts had low SELENBP1 protein levels and were deficient in MTO enzymatic activity; these effects were reversed by lentivirus-mediated expression of wild-type SELENBP1. Selenbp1-knockout mice showed biochemical characteristics similar to those in humans. Our data reveal a potentially frequent inborn error of metabolism that results from MTO deficiency and leads to a malodor syndrome.
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Caenorhabditis elegans HIF-1 Is Broadly Required for Survival in Hydrogen Sulfide. G3-GENES GENOMES GENETICS 2017; 7:3699-3704. [PMID: 28889102 PMCID: PMC5677155 DOI: 10.1534/g3.117.300146] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Hydrogen sulfide is common in the environment, and is also endogenously produced by animal cells. Although hydrogen sulfide is often toxic, exposure to low levels of hydrogen sulfide improves outcomes in a variety of mammalian models of ischemia-reperfusion injury. In Caenorhabditis elegans, the initial transcriptional response to hydrogen sulfide depends on the hif-1 transcription factor, and hif-1 mutant animals die when exposed to hydrogen sulfide. In this study, we use rescue experiments to identify tissues in which hif-1 is required to survive exposure to hydrogen sulfide. We find that expression of hif-1 from the unc-14 promoter is sufficient to survive hydrogen sulfide. Although unc-14 is generally considered to be a pan-neuronal promoter, we show that it is active in many nonneuronal cells as well. Using other promoters, we show that pan-neuronal expression of hif-1 is not sufficient to survive exposure to hydrogen sulfide. Our data suggest that hif-1 is required in many different tissues to direct the essential response to hydrogen sulfide.
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38
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Reprint of: Hydrogen sulfide in stroke: Protective or deleterious? Neurochem Int 2017; 107:78-87. [DOI: 10.1016/j.neuint.2016.11.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 11/24/2016] [Accepted: 11/28/2016] [Indexed: 11/20/2022]
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39
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Chan SJ, Wong PTH. Hydrogen sulfide in stroke: Protective or deleterious? Neurochem Int 2017; 105:1-10. [DOI: 10.1016/j.neuint.2016.11.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 11/24/2016] [Accepted: 11/28/2016] [Indexed: 02/07/2023]
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40
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Karwi QG, Bornbaum J, Boengler K, Torregrossa R, Whiteman M, Wood ME, Schulz R, Baxter GF. AP39, a mitochondria-targeting hydrogen sulfide (H 2 S) donor, protects against myocardial reperfusion injury independently of salvage kinase signalling. Br J Pharmacol 2017; 174:287-301. [PMID: 27930802 DOI: 10.1111/bph.13688] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 11/30/2016] [Accepted: 12/05/2016] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND AND PURPOSE H2 S protects myocardium against ischaemia/reperfusion injury. This protection may involve the cytosolic reperfusion injury salvage kinase (RISK) pathway, but direct effects on mitochondrial function are possible. Here, we investigated the potential cardioprotective effect of a mitochondria-specific H2 S donor, AP39, at reperfusion against ischaemia/reperfusion injury. EXPERIMENTAL APPROACH Anaesthetized rats underwent myocardial ischaemia (30 min)/reperfusion (120 min) with randomization to receive interventions before reperfusion: vehicle, AP39 (0.01, 0.1, 1 μmol·kg-1 ), or control compounds AP219 and ADT-OH (1 μmol·kg-1 ). LY294002, L-NAME or ODQ were used to investigate the involvement of the RISK pathway. Myocardial samples harvested 5 min after reperfusion were analysed for RISK protein phosphorylation and isolated cardiac mitochondria were used to examine the direct mitochondrial effects of AP39. KEY RESULTS AP39, dose-dependently, reduced infarct size. Inhibition of either PI3K/Akt, eNOS or sGC did not affect this effect of AP39. Western blot analysis confirmed that AP39 did not induce phosphorylation of Akt, eNOS, GSK-3β or ERK1/2. In isolated subsarcolemmal and interfibrillar mitochondria, AP39 significantly attenuated mitochondrial ROS generation without affecting respiratory complexes I or II. Furthermore, AP39 inhibited mitochondrial permeability transition pore (PTP) opening and co-incubation of mitochondria with AP39 and cyclosporine A induced an additive inhibitory effect on the PTP. CONCLUSION AND IMPLICATIONS AP39 protects against reperfusion injury independently of the cytosolic RISK pathway. This cardioprotective effect could be mediated by inhibiting PTP via a cyclophilin D-independent mechanism. Thus, selective delivery of H2 S to mitochondria may be therapeutically applicable for employing the cardioprotective utility of H2 S.
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Affiliation(s)
- Qutuba G Karwi
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK.,College of Medicine, University of Diyala, Diyala, Iraq
| | - Julia Bornbaum
- Institute of Physiology, Justus-Liebig-University, Giessen, Germany
| | - Kerstin Boengler
- Institute of Physiology, Justus-Liebig-University, Giessen, Germany
| | - Roberta Torregrossa
- Medical School, University of Exeter, Exeter, UK.,School of Biosciences, University of Exeter, Exeter, UK
| | | | - Mark E Wood
- School of Biosciences, University of Exeter, Exeter, UK
| | - Rainer Schulz
- Institute of Physiology, Justus-Liebig-University, Giessen, Germany
| | - Gary F Baxter
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK
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41
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Papapetropoulos A, Foresti R, Ferdinandy P. Pharmacology of the 'gasotransmitters' NO, CO and H2S: translational opportunities. Br J Pharmacol 2016; 172:1395-6. [PMID: 25891246 DOI: 10.1111/bph.13005] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Affiliation(s)
- Andreas Papapetropoulos
- Faculty of Pharmacy, University of Athens, Athens, Greece; 'George P. Livanos and Marianthi Simou Laboratories', Evangelismos Hospital, 1st Department of Critical Care and Pulmonary Services, University of Athens, Greece
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Horsman JW, Miller DL. Mitochondrial Sulfide Quinone Oxidoreductase Prevents Activation of the Unfolded Protein Response in Hydrogen Sulfide. J Biol Chem 2015; 291:5320-5. [PMID: 26677221 DOI: 10.1074/jbc.m115.697102] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Indexed: 11/06/2022] Open
Abstract
Hydrogen sulfide (H2S) is an endogenously produced gaseous molecule with important roles in cellular signaling. In mammals, exogenous H2S improves survival of ischemia/reperfusion. We have previously shown that exposure to H2S increases the lifespan and thermotolerance in Caenorhabditis elegans, and improves protein homeostasis in low oxygen. The mitochondrial SQRD-1 (sulfide quinone oxidoreductase) protein is a highly conserved enzyme involved in H2S metabolism. SQRD-1 is generally considered important to detoxify H2S. Here, we show that SQRD-1 is also required to maintain protein translation in H2S. In sqrd-1 mutant animals, exposure to H2S leads to phosphorylation of eIF2α and inhibition of protein synthesis. In contrast, global protein translation is not altered in wild-type animals exposed to lethally high H2S or in hif-1(ia04) mutants that die when exposed to low H2S. We demonstrate that both gcn-2 and pek-1 kinases are involved in the H2S-induced phosphorylation of eIF2α. Both ER and mitochondrial stress responses are activated in sqrd-1 mutant animals exposed to H2S, but not in wild-type animals. We speculate that SQRD-1 activity in H2S may coordinate proteostasis responses in multiple cellular compartments.
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Affiliation(s)
- Joseph W Horsman
- From the Department of Biochemistry, University of Washington School of Medicine, Seattle, Washington 98195
| | - Dana L Miller
- From the Department of Biochemistry, University of Washington School of Medicine, Seattle, Washington 98195
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43
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Meng G, Ma Y, Xie L, Ferro A, Ji Y. Emerging role of hydrogen sulfide in hypertension and related cardiovascular diseases. Br J Pharmacol 2015; 172:5501-11. [PMID: 25204754 PMCID: PMC4667855 DOI: 10.1111/bph.12900] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2014] [Revised: 08/18/2014] [Accepted: 08/28/2014] [Indexed: 12/31/2022] Open
Abstract
Hydrogen sulfide (H2 S) has traditionally been viewed as a highly toxic gas; however, recent studies have implicated H2 S as a third member of the gasotransmitter family, exhibiting properties similar to NO and carbon monoxide. Accumulating evidence has suggested that H2 S influences a wide range of physiological and pathological processes, among which blood vessel relaxation, cardioprotection and atherosclerosis have been particularly studied. In the cardiovascular system, H2 S production is predominantly catalyzed by cystathionine γ-lyase (CSE). Decreased endogenous H2 S levels have been found in hypertensive patients and animals, and CSE(-/-) mice develop hypertension with age, suggesting that a deficiency in H2 S contributes importantly to BP regulation. H2 S supplementation attenuates hypertension in different hypertensive animal models. The mechanism by which H2 S was originally proposed to attenuate hypertension was by virtue of its action on vascular tone, which may be related to effects on different ion channels. Both H2 S and NO cause vasodilatation and there is cross-talk between these two molecules to regulate BP. Suppression of oxidative stress may also contribute to antihypertensive effects of H2 S. This review also summarizes the state of research on H2 S and hypertension in China. A better understanding of the role of H2 S in hypertension and related cardiovascular diseases will allow novel strategies to be devised for their treatment.
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Affiliation(s)
- Guoliang Meng
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, State Key Laboratory of Reproductive Medicine, Atherosclerosis Research CentreNanjing Medical UniversityNanjingChina
| | - Yan Ma
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, State Key Laboratory of Reproductive Medicine, Atherosclerosis Research CentreNanjing Medical UniversityNanjingChina
| | - Liping Xie
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, State Key Laboratory of Reproductive Medicine, Atherosclerosis Research CentreNanjing Medical UniversityNanjingChina
| | - Albert Ferro
- Department of Clinical PharmacologyCardiovascular DivisionSchool of MedicineKing's College LondonLondonUK
| | - Yong Ji
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, State Key Laboratory of Reproductive Medicine, Atherosclerosis Research CentreNanjing Medical UniversityNanjingChina
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Hydrogen sulfide-induced itch requires activation of Cav3.2 T-type calcium channel in mice. Sci Rep 2015; 5:16768. [PMID: 26602811 PMCID: PMC4658482 DOI: 10.1038/srep16768] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 10/19/2015] [Indexed: 01/02/2023] Open
Abstract
The contributions of gasotransmitters to itch sensation are largely unknown. In this
study, we aimed to investigate the roles of hydrogen sulfide (H2S), a
ubiquitous gasotransmitter, in itch signaling. We found that intradermal injection
of H2S donors NaHS or Na2S, but not GYY4137 (a slow-releasing
H2S donor), dose-dependently induced scratching behavior in a
μ-opioid receptor-dependent and histamine-independent manner in mice.
Interestingly, NaHS induced itch via unique mechanisms that involved
capsaicin-insensitive A-fibers, but not TRPV1-expressing C-fibers that are
traditionally considered for mediating itch, revealed by depletion of
TRPV1-expressing C-fibers by systemic resiniferatoxin treatment. Moreover, local
application of capsaizapine (TRPV1 blocker) or HC-030031 (TRPA1 blocker) had no
effects on NaHS-evoked scratching. Strikingly, pharmacological blockade and
silencing of Cav3.2 T-type calcium channel by mibefradil, ascorbic acid,
zinc chloride or Cav3.2 siRNA dramatically decreased NaHS-evoked
scratching. NaHS induced robust alloknesis (touch-evoked itch), which was inhibited
by T-type calcium channels blocker mibefradil. Compound 48/80-induced itch was
enhanced by an endogenous precursor of H2S (L-cysteine) but attenuated by
inhibitors of H2S-producing enzymes cystathionine γ-lyase and
cystathionine β-synthase. These results indicated that H2S,
as a novel nonhistaminergic itch mediator, may activates Cav3.2 T-type
calcium channel, probably located at A-fibers, to induce scratching and alloknesis
in mice.
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Medkour Y, Svistkova V, Titorenko VI. Cell-Nonautonomous Mechanisms Underlying Cellular and Organismal Aging. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2015; 321:259-97. [PMID: 26811290 DOI: 10.1016/bs.ircmb.2015.09.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cell-autonomous mechanisms underlying cellular and organismal aging in evolutionarily distant eukaryotes have been established; these mechanisms regulate longevity-defining processes within a single eukaryotic cell. Recent findings have provided valuable insight into cell-nonautonomous mechanisms modulating cellular and organismal aging in eukaryotes across phyla; these mechanisms involve a transmission of various longevity factors between different cells, tissues, and organisms. Herein, we review such cell-nonautonomous mechanisms of aging in eukaryotes. We discuss the following: (1) how low molecular weight transmissible longevity factors modulate aging and define longevity of cells in yeast populations cultured in liquid media or on solid surfaces, (2) how communications between proteostasis stress networks operating in neurons and nonneuronal somatic tissues define longevity of the nematode Caenorhabditis elegans by modulating the rates of aging in different tissues, and (3) how different bacterial species colonizing the gut lumen of C. elegans define nematode longevity by modulating the rate of organismal aging.
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Affiliation(s)
- Younes Medkour
- Department of Biology, Concordia University, Montreal, Quebec, Canada
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Li C, Hu M, Wang Y, Lu H, Deng J, Yan X. Hydrogen sulfide preconditioning protects against myocardial ischemia/reperfusion injury in rats through inhibition of endo/sarcoplasmic reticulum stress. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:7740-7751. [PMID: 26339339 PMCID: PMC4555667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 06/22/2015] [Indexed: 06/05/2023]
Abstract
Ischemia reperfusion (I/R) injury is a major cause of myocardial damage. Hydrogen sulfide (H2S), a gaseous signal molecule, has drawn considerable attention for its role in various pathophysiological processes. Multiple lines of evidence reveal the protective effects of H2S in various models of cardiac injury, however, the exact mechanism underlying this protective effect of H2S against myocardial I/R injury is not fully understood. The present study was designed to investigate whether H2S preconditioning attenuates myocardial I/R injury in rats and whether the observed protection is associated with reduced endo/sarcoplasmic reticulum (ER/SR) stress. We found that H2S preconditioning significantly reduced myocardial infarct size, preserved left ventricular function, and inhibited I/R-induced cardiomyocyte apoptosis in vivo. Furthermore, H2S preconditioning significantly attenuated I/R-induced ER/SR stress responses, including the increased expression of glucose-regulated protein 78, C/EBP homologous protein, and activate transcription factor in myocardium. Additionally, we demonstrate that H2S preconditioning attenuates ER/SR stress and inhibits cardiomyocyte apoptosis in an in vitro model of hypoxia/reoxygenation in rat H9c2 cardiac myocytes. In conclusion, these results suggest that H2S-attenuated ER/SR stress plays an important role in its protective effects against I/R-induced myocardial injury.
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Affiliation(s)
- Changyong Li
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Min Hu
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Yuan Wang
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Huan Lu
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Jing Deng
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Xiaohong Yan
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
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Hydrogen Sulfide Donor GYY4137 Protects against Myocardial Fibrosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:691070. [PMID: 26078813 PMCID: PMC4442292 DOI: 10.1155/2015/691070] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Revised: 12/12/2014] [Accepted: 12/12/2014] [Indexed: 01/06/2023]
Abstract
Hydrogen sulfide (H2S) is a gasotransmitter which regulates multiple cardiovascular functions. However, the precise roles of H2S in modulating myocardial fibrosis in vivo and cardiac fibroblast proliferation in vitro remain unclear. We investigated the effect of GYY4137, a slow-releasing H2S donor, on myocardial fibrosis. Spontaneously hypertensive rats (SHR) were administrated with GYY4137 by intraperitoneal injection daily for 4 weeks. GYY4137 decreased systolic blood pressure and inhibited myocardial fibrosis in SHR as evidenced by improved cardiac collagen volume fraction (CVF) in the left ventricle (LV), ratio of perivascular collagen area (PVCA) to lumen area (LA) in perivascular regions, reduced hydroxyproline concentration, collagen I and III mRNA expression, and cross-linked collagen. GYY4137 also inhibited angiotensin II- (Ang II-) induced neonatal rat cardiac fibroblast proliferation, reduced the number of fibroblasts in S phase, decreased collagen I and III mRNA expression and protein synthesis, attenuated oxidative stress, and suppressed α-smooth muscle actin (α-SMA), transforming growth factor-β1 (TGF-β1) expression as well as Smad2 phosphorylation. These results indicate that GYY4137 improves myocardial fibrosis perhaps by a mechanism involving inhibition of oxidative stress, blockade of the TGF-β1/Smad2 signaling pathway, and decrease in α-SMA expression in cardiac fibroblasts.
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Mitochondria-targeted hydrogen sulfide donor AP39 improves neurological outcomes after cardiac arrest in mice. Nitric Oxide 2015; 49:90-6. [PMID: 25960429 DOI: 10.1016/j.niox.2015.05.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 04/21/2015] [Accepted: 05/02/2015] [Indexed: 11/22/2022]
Abstract
AIMS Mitochondria-targeted hydrogen sulfide donor AP39, [(10-oxo-10-(4-(3-thioxo-3H-1,2-dithiol-5yl)phenoxy)decyl) triphenylphosphonium bromide], exhibits cytoprotective effects against oxidative stress in vitro. We examined whether or not AP39 improves the neurological function and long term survival in mice subjected to cardiac arrest (CA) and cardiopulmonary resuscitation (CPR). METHODS Adult C57BL/6 male mice were subjected to 8 min of CA and subsequent CPR. We examined the effects of AP39 (10, 100, 1000 nmol kg(-1)) or vehicle administered intravenously at 2 min before CPR (Experiment 1). Systemic oxidative stress levels, mitochondrial permeability transition, and histological brain injury were assessed. We also examined the effects of AP39 (10, 1000 nmol kg(-1)) or vehicle administered intravenously at 1 min after return of spontaneous circulation (ROSC) (Experiment 2). ROSC was defined as the return of sinus rhythm with a mean arterial pressure >40 mm Hg lasting at least 10 seconds. RESULTS Vehicle treated mice subjected to CA/CPR had poor neurological function and 10-day survival rate (Experiment 1; 15%, Experiment 2; 23%). Administration of AP39 (100 and 1000 nmol kg(-1)) 2 min before CPR significantly improved the neurological function and 10-day survival rate (54% and 62%, respectively) after CA/CPR. Administration of AP39 before CPR attenuated mitochondrial permeability transition pore opening, reactive oxygen species generation, and neuronal degeneration after CA/CPR. Administration of AP39 1 min after ROSC at 10 nmol kg(-1), but not at 1000 nmol kg(-1), significantly improved the neurological function and 10-day survival rate (69%) after CA/CPR. CONCLUSION The current results suggest that administration of mitochondria-targeted sulfide donor AP39 at the time of CPR or after ROSC improves the neurological function and long term survival rates after CA/CPR by maintaining mitochondrial integrity and reducing oxidative stress.
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