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Chen Y, Cao W, Li B, Qiao X, Wang X, Yang G, Li S. The potential role of hydrogen sulfide in regulating macrophage phenotypic changes via PINK1/parkin-mediated mitophagy in sepsis-related cardiorenal syndrome. Immunopharmacol Immunotoxicol 2024; 46:139-151. [PMID: 37971696 DOI: 10.1080/08923973.2023.2281901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 11/04/2023] [Indexed: 11/19/2023]
Abstract
OBJECTIVE Sepsis is one of major reasons of cardiorenal syndrome type 5 (CRS-5), resulting in irreversible tissue damage and organ dysfunction. Macrophage has been demonstrated to play key role in the pathophysiology of sepsis, highlighting the need to identify therapeutic targets for modulating macrophage phenotype in sepsis. METHODS AND RESULTS In this study, a rapid-releasing hydrogen sulfide (H2S) donor NaSH, and a slow-releasing H2S compound S-propargyl-cysteine (SPRC) which is derived from garlic, have been studied for the immune-regulatory effects on macrophages. The NaSH and SPRC showed the potential to protect the heart and kidney from tissue injury induced by LPS. The immunohistochemistry of F4/80+ revealed that the infiltration of macrophages in the heart and kidney tissues of LPS-treated mice was reduced by NaSH and SPRC. In addition, in the LPS-triggered inflammatory cascade of RAW264.7 macrophage cells, NaSH and SPRC exhibited significantly inhibitory effects on the secretion of inflammatory cytokines, production of reactive oxygen species (ROS), and regulation of the macrophage phenotype from M1-like to M2-like. Moreover, autophagy, a crucial process involved in the elimination of impaired proteins and organelles during oxidative stress and immune response, was induced by NaSH and SPRC in the presence of LPS stimulation. Consequently, there was an increase in the number of mitochondria and an improvement in mitochondrial membrane potential. This process was mainly mediated by PINK1/Parkin pathway mediated mitophagy. DISCUSSION These results demonstrated that the immunoregulatory effects of H2S donors were through the PINK1/Parkin-mediated mitophagy pathway. Overall, our study provided a new therapeutic direction in LPS-induced cardiorenal injury.
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Affiliation(s)
- Yuxuan Chen
- Department of Cell Biology, Shandong University, Jinan, China
- Shandong Institute of Endocrinology and Metabolic Diseases, Shandong First Medical University, Jinan, China
- Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Wei Cao
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University, Jinan, China
| | - Bin Li
- Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xiaofei Qiao
- Department of Cell Biology, Shandong University, Jinan, China
| | - Xiangdong Wang
- Department of Cell Biology, Shandong University, Jinan, China
| | - Guang Yang
- Department of Joint Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Siying Li
- Department of Cell Biology, Shandong University, Jinan, China
- Shandong Institute of Endocrinology and Metabolic Diseases, Shandong First Medical University, Jinan, China
- Central Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Key Laboratory of Cardiovascular Disease Proteomics, Qilu Hospital of Shandong University, Jinan, China
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Bahrami-Taghanaki HR, Hoseinzadeh H, Hamedi S, Nejad-Bajestani MJ, Esmaeilzadeh N, Abdollahzadeh H, Hoseini-asil S, Haghighi G, Bojdi A. The effect of Phytopaj ) Ferula assa-foetida L. oleo gum resin and tragacanth( in patients with COVID-19: A randomized clinical trial. AVICENNA JOURNAL OF PHYTOMEDICINE 2024; 14:152-165. [PMID: 38966627 PMCID: PMC11221772 DOI: 10.22038/ajp.2023.22800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 11/04/2022] [Accepted: 11/20/2022] [Indexed: 07/06/2024]
Abstract
Objective Exogenous hydrogen sulfide (H2S) has a positive effect on respiratory diseases. Oleo-gum of Ferula assa-foetida contains this compound. This study assessed the effects of Ferula assa-foetida L. oleo gum resin and tragacanth (Phytopaj) on patients with COVID-19. Materials and Methods A randomized, single-blinded, controlled trial (RCT) phase 2 was conducted in Mashhad on hospitalized COVID-19 patients. In this RCT, 122 patients were randomly assigned to either receive a 14-day oral phytopaj plus ordinary treatment or ordinary treatment only. Changes in peripheral blood lymphocyte count (LC) and blood oxygen saturation (PO2) were the endpoints. Results Mean±SD of PO2 in Phytopaj comparison ordinary treatment before intervention was 91.86±4.62 and 91.41±9.18, after the intervention it was 93.22±4.26 and 91.91±5.92 mmHg; before intervention, mean±SD of peripheral blood lymphocyte count was 1015.90±500.55, and 1104.28±543.61, and after intervention, it was 1652.27±921.38 and 1326.12±719.28/μL respectively. Conclusion Phyopaj is most useful in moderate stages of Covid19, and it is not recommended for elderly patients and patients with comorbidity until more insight is gained.
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Affiliation(s)
- Hamid Reza Bahrami-Taghanaki
- Department of Complementary and Chinese Medicine, Faculty of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamidreza Hoseinzadeh
- Department of Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shokouhsadat Hamedi
- Department of Clinical Persian Pharmacy, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Jafari Nejad-Bajestani
- Department of Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Nayereh Esmaeilzadeh
- Department of Epidemiology, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hasan Abdollahzadeh
- Department of Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyedehmasoume Hoseini-asil
- Department of Infectious Diseases and Tropical Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gholamreza Haghighi
- Department of Traditional Medicine, School of Medicine, Zabol University of Medical Sciences, Zabol, Iran
| | - Amin Bojdi
- Department of Infectious Diseases and Tropical Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Hasanpour M, Safari H, Mohammadpour AH, Iranshahy M, Dehghan Nayyeri MJ, Farhadi F, Emami B, Iranshahi M. Efficacy of Covexir® (Ferula foetida oleo-gum) treatment in symptomatic improvement of patients with mild to moderate COVID-19: A randomized, double-blind, placebo-controlled trial. Phytother Res 2022; 36:4504-4515. [PMID: 35896167 PMCID: PMC9353293 DOI: 10.1002/ptr.7567] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 06/27/2022] [Accepted: 07/05/2022] [Indexed: 12/13/2022]
Abstract
The SARS-CoV-2 COVID-19 pandemic has emerged as an unprecedented emergency state in healthcare system and global challenge. In recent decade, the function of exogenous H2 S in the treatment of respiratory diseases has been investigated using H2 S-donor agents. Ferula foetida is a medicinal plant that is traditionally used in respiratory diseases including asthma and viral respiratory diseases. The oleo-gum of this plant is a rich source of several organic sulfides including thiophenes, disulfides and polysulfide derivatives, which can act as H2 S-donor agents. The purpose of this study was to investigate the efficacy of Covexir® (F. foetida oleo-gum) treatment as a rich source of H2 S-donor compounds in clinical presentations of patients with COVID-19. The efficacy of Covexir® was evaluated in a randomized, double-blind, placebo-controlled trial in outpatients with COVID-19. Covexir® could significantly inhibit cough when compared to the placebo group (p < .01 and p < 001, respectively). Moreover, there was a significant difference (p < 001) between the two groups in dyspnea symptom at follow-up interval of 7 day after receiving Covexir®. Furthermore, on days 3 and 7, statistically significant differences were observed in myalgia, anorexia, anosmia, and sense of taste severity between two groups. Our findings revealed that Covexir® was very safe in the treatment of COVID-19 patients with mild to moderate symptoms and it can be recommended to improve clinical presentations of patients with COVID-19 such as cough, shortness of breath, myalgia, anorexia, anosmia, and sense of taste.
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Affiliation(s)
- Maede Hasanpour
- Biotechnology Research Center, Pharmaceutical Technology InstituteMashhad University of Medical SciencesMashhadIran
| | - Hossein Safari
- Hasheminezhad HospitalMashhad University of Medical SciencesMashhadIran
| | | | - Milad Iranshahy
- Department of Pharmacognosy, School of PharmacyMashhad University of Medical SciencesMashhadIran
| | | | - Faegheh Farhadi
- Department of Pharmacognosy, School of PharmacyMashhad University of Medical SciencesMashhadIran,Herbal and Traditional Medicines Research CenterKerman University of Medical SciencesKermanIran
| | - Bahareh Emami
- Biotechnology Research Center, Pharmaceutical Technology InstituteMashhad University of Medical SciencesMashhadIran
| | - Mehrdad Iranshahi
- Biotechnology Research Center, Pharmaceutical Technology InstituteMashhad University of Medical SciencesMashhadIran
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Iciek M, Bilska-Wilkosz A, Kozdrowicki M, Górny M. Reactive Sulfur Compounds in the Fight against COVID-19. Antioxidants (Basel) 2022; 11:antiox11061053. [PMID: 35739949 PMCID: PMC9220020 DOI: 10.3390/antiox11061053] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/20/2022] [Accepted: 05/24/2022] [Indexed: 02/04/2023] Open
Abstract
The SARS-CoV-2 coronavirus pandemic outbreak in 2019 resulted in the need to search for an effective and safe strategy for treating infected patients, relieving symptoms, and preventing severe disease. SARS-CoV-2 is an RNA virus that can cause acute respiratory failure and thrombosis, as well as impair circulatory system function. Permanent damage to the heart muscle or other cardiovascular disorders may occur during or after the infection. The severe course of the disease is associated with the release of large amounts of pro-inflammatory cytokines. Due to their documented anti-inflammatory, antioxidant, and antiviral effects, reactive sulfur compounds, including hydrogen sulfide (H2S), lipoic acid (LA), N-acetylcysteine (NAC), glutathione (GSH), and some other lesser-known sulfur compounds, have attracted the interest of scientists for the treatment and prevention of the adverse effects of diseases caused by SARS-CoV-2. This article reviews current knowledge about various endogenous or exogenous reactive sulfur compounds and discusses the possibility, or in some cases the results, of their use in the treatment or prophylaxis of COVID-19.
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Cirino G, Szabo C, Papapetropoulos A. Physiological roles of hydrogen sulfide in mammalian cells, tissues and organs. Physiol Rev 2022; 103:31-276. [DOI: 10.1152/physrev.00028.2021] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
H2S belongs to the class of molecules known as gasotransmitters, which also includes nitric oxide (NO) and carbon monoxide (CO). Three enzymes are recognized as endogenous sources of H2S in various cells and tissues: cystathionine g-lyase (CSE), cystathionine β-synthase (CBS) and 3-mercaptopyruvate sulfurtransferase (3-MST). The current article reviews the regulation of these enzymes as well as the pathways of their enzymatic and non-enzymatic degradation and elimination. The multiple interactions of H2S with other labile endogenous molecules (e.g. NO) and reactive oxygen species are also outlined. The various biological targets and signaling pathways are discussed, with special reference to H2S and oxidative posttranscriptional modification of proteins, the effect of H2S on channels and intracellular second messenger pathways, the regulation of gene transcription and translation and the regulation of cellular bioenergetics and metabolism. The pharmacological and molecular tools currently available to study H2S physiology are also reviewed, including their utility and limitations. In subsequent sections, the role of H2S in the regulation of various physiological and cellular functions is reviewed. The physiological role of H2S in various cell types and organ systems are overviewed. Finally, the role of H2S in the regulation of various organ functions is discussed as well as the characteristic bell-shaped biphasic effects of H2S. In addition, key pathophysiological aspects, debated areas, and future research and translational areas are identified A wide array of significant roles of H2S in the physiological regulation of all organ functions emerges from this review.
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Affiliation(s)
- Giuseppe Cirino
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, Switzerland
| | - Andreas Papapetropoulos
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece & Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, Greece
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Pozzi G, Gobbi G, Masselli E, Carubbi C, Presta V, Ambrosini L, Vitale M, Mirandola P. Buffering Adaptive Immunity by Hydrogen Sulfide. Cells 2022; 11:cells11030325. [PMID: 35159135 PMCID: PMC8834412 DOI: 10.3390/cells11030325] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/14/2022] [Accepted: 01/16/2022] [Indexed: 02/06/2023] Open
Abstract
T cell-mediated adaptive immunity is designed to respond to non-self antigens and pathogens through the activation and proliferation of various T cell populations. T helper 1 (Th1), Th2, Th17 and Treg cells finely orchestrate cellular responses through a plethora of paracrine and autocrine stimuli that include cytokines, autacoids, and hormones. Hydrogen sulfide (H2S) is one of these mediators able to induce/inhibit immunological responses, playing a role in inflammatory and autoimmune diseases, neurological disorders, asthma, acute pancreatitis, and sepsis. Both endogenous and exogenous H2S modulate numerous important cell signaling pathways. In monocytes, polymorphonuclear, and T cells H2S impacts on activation, survival, proliferation, polarization, adhesion pathways, and modulates cytokine production and sensitivity to chemokines. Here, we offer a comprehensive review on the role of H2S as a natural buffer able to maintain over time a functional balance between Th1, Th2, Th17 and Treg immunological responses.
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Affiliation(s)
- Giulia Pozzi
- Anatomy Unit, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy; (G.P.); (G.G.); (C.C.); (V.P.); (L.A.); (M.V.)
| | - Giuliana Gobbi
- Anatomy Unit, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy; (G.P.); (G.G.); (C.C.); (V.P.); (L.A.); (M.V.)
| | - Elena Masselli
- Anatomy Unit, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy; (G.P.); (G.G.); (C.C.); (V.P.); (L.A.); (M.V.)
- University Hospital of Parma, AOU-PR, Via Gramsci 14, 43126 Parma, Italy
- Correspondence: (E.M.); (P.M.)
| | - Cecilia Carubbi
- Anatomy Unit, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy; (G.P.); (G.G.); (C.C.); (V.P.); (L.A.); (M.V.)
| | - Valentina Presta
- Anatomy Unit, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy; (G.P.); (G.G.); (C.C.); (V.P.); (L.A.); (M.V.)
| | - Luca Ambrosini
- Anatomy Unit, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy; (G.P.); (G.G.); (C.C.); (V.P.); (L.A.); (M.V.)
| | - Marco Vitale
- Anatomy Unit, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy; (G.P.); (G.G.); (C.C.); (V.P.); (L.A.); (M.V.)
- University Hospital of Parma, AOU-PR, Via Gramsci 14, 43126 Parma, Italy
- Italian Foundation for the Research in Balneology, Via Po 22, 00198 Rome, Italy
| | - Prisco Mirandola
- Anatomy Unit, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy; (G.P.); (G.G.); (C.C.); (V.P.); (L.A.); (M.V.)
- Correspondence: (E.M.); (P.M.)
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7
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Corvino A, Citi V, Fiorino F, Frecentese F, Magli E, Perissutti E, Santagada V, Calderone V, Martelli A, Gorica E, Brogi S, Colombo FF, Capello CN, Araujo Ferreira HH, Rimoli MG, Sodano F, Rolando B, Pavese F, Petti A, Muscará MN, Caliendo G, Severino B. H 2S donating corticosteroids: Design, synthesis and biological evaluation in a murine model of asthma. J Adv Res 2022; 35:267-277. [PMID: 35024201 PMCID: PMC8721254 DOI: 10.1016/j.jare.2021.05.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/27/2021] [Accepted: 05/17/2021] [Indexed: 12/13/2022] Open
Abstract
Introduction Hydrogen sulfide (H2S) is a fundamental biological endogenous gas-mediator in the respiratory system. It regulates pivotal patho-physiological processes such as oxidative stress, pulmonary circulation, airway tone and inflammation. Objectives We herein describe the design and synthesis of molecular hybrids obtained by the condensation of several corticosteroids with different hydrogen sulfide releasing moieties. Methods All the molecules are characterized for their ability to release H2S both via amperometric approach and using a fluorescent probe. The chemical stability of the newly synthesized hybrid molecules has been investigated at differing pH values and in human serum. Results Prednisone-TBZ hybrid (compound 7) was selected for further evaluations. The obtained results from the in vitro and in vivo studies clearly show evidence in favor of the anti-inflammatory properties of the released H2S. Conclusions The protective effect on airway remodeling makes the hybrid Prednisone-TBZ (compound 7) as a promising therapeutic option in reducing allergic asthma symptoms and exacerbations.
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Affiliation(s)
- Angela Corvino
- Department of Pharmacy, School of Medicine, University of Naples «Federico II», Via D. Montesano, 49, 80131 Napoli, Italy
| | - Valentina Citi
- Department of Pharmacy, University of Pisa, via Bonanno, 6, I-56126 Pisa, Italy
| | - Ferdinando Fiorino
- Department of Pharmacy, School of Medicine, University of Naples «Federico II», Via D. Montesano, 49, 80131 Napoli, Italy
| | - Francesco Frecentese
- Department of Pharmacy, School of Medicine, University of Naples «Federico II», Via D. Montesano, 49, 80131 Napoli, Italy
| | - Elisa Magli
- Department of Pharmacy, School of Medicine, University of Naples «Federico II», Via D. Montesano, 49, 80131 Napoli, Italy
| | - Elisa Perissutti
- Department of Pharmacy, School of Medicine, University of Naples «Federico II», Via D. Montesano, 49, 80131 Napoli, Italy
| | - Vincenzo Santagada
- Department of Pharmacy, School of Medicine, University of Naples «Federico II», Via D. Montesano, 49, 80131 Napoli, Italy
| | - Vincenzo Calderone
- Department of Pharmacy, University of Pisa, via Bonanno, 6, I-56126 Pisa, Italy
| | - Alma Martelli
- Department of Pharmacy, University of Pisa, via Bonanno, 6, I-56126 Pisa, Italy
| | - Era Gorica
- Department of Pharmacy, University of Pisa, via Bonanno, 6, I-56126 Pisa, Italy
| | - Simone Brogi
- Department of Pharmacy, University of Pisa, via Bonanno, 6, I-56126 Pisa, Italy
| | | | | | | | - Maria Grazia Rimoli
- Department of Pharmacy, School of Medicine, University of Naples «Federico II», Via D. Montesano, 49, 80131 Napoli, Italy
| | - Federica Sodano
- Department of Drug Science and Technology, University of Torino, Via Pietro Giuria, 9, 10125 Torino, Italy
| | - Barbara Rolando
- Department of Drug Science and Technology, University of Torino, Via Pietro Giuria, 9, 10125 Torino, Italy
| | - Francesca Pavese
- Genetic S.p.A., Via della Monica, 26 – 84083 Castel San Giorgio (SA), Italy
| | - Antonio Petti
- Genetic S.p.A., Via della Monica, 26 – 84083 Castel San Giorgio (SA), Italy
| | - Marcelo Nicolás Muscará
- Department of Pharmacology, Institute of Biomedical Sciences, University of Sao Paulo, São Paulo 05508-000, SP, Brazil
| | - Giuseppe Caliendo
- Department of Pharmacy, School of Medicine, University of Naples «Federico II», Via D. Montesano, 49, 80131 Napoli, Italy
| | - Beatrice Severino
- Department of Pharmacy, School of Medicine, University of Naples «Federico II», Via D. Montesano, 49, 80131 Napoli, Italy
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Pacitti D, Scotton CJ, Kumar V, Khan H, Wark PAB, Torregrossa R, Hansbro PM, Whiteman M. Gasping for Sulfide: A Critical Appraisal of Hydrogen Sulfide in Lung Disease and Accelerated Aging. Antioxid Redox Signal 2021; 35:551-579. [PMID: 33736455 DOI: 10.1089/ars.2021.0039] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Hydrogen sulfide (H2S) is a gaseous signaling molecule involved in a plethora of physiological and pathological processes. It is primarily synthesized by cystathionine-β-synthase, cystathionine-γ-lyase, and 3-mercaptopyruvate sulfurtransferase as a metabolite of the transsulfuration pathway. H2S has been shown to exert beneficial roles in lung disease acting as an anti-inflammatory and antiviral and to ameliorate cell metabolism and protect from oxidative stress. H2S interacts with transcription factors, ion channels, and a multitude of proteins via post-translational modifications through S-persulfidation ("sulfhydration"). Perturbation of endogenous H2S synthesis and/or levels have been implicated in the development of accelerated lung aging and diseases, including asthma, chronic obstructive pulmonary disease, and fibrosis. Furthermore, evidence indicates that persulfidation is decreased with aging. Here, we review the use of H2S as a biomarker of lung pathologies and discuss the potential of using H2S-generating molecules and synthesis inhibitors to treat respiratory diseases. Furthermore, we provide a critical appraisal of methods of detection used to quantify H2S concentration in biological samples and discuss the challenges of characterizing physiological and pathological levels. Considerations and caveats of using H2S delivery molecules, the choice of generating molecules, and concentrations are also reviewed. Antioxid. Redox Signal. 35, 551-579.
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Affiliation(s)
- Dario Pacitti
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, University of Exeter, Exeter, United Kingdom
| | - Chris J Scotton
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, University of Exeter, Exeter, United Kingdom
| | - Vinod Kumar
- Priority Research Centre for Healthy Lungs and Hunter Medical Research Institute, The University of Newcastle, Newcastle, Australia
| | - Haroon Khan
- Priority Research Centre for Healthy Lungs and Hunter Medical Research Institute, The University of Newcastle, Newcastle, Australia
| | - Peter A B Wark
- Priority Research Centre for Healthy Lungs and Hunter Medical Research Institute, The University of Newcastle, Newcastle, Australia
| | - Roberta Torregrossa
- Priority Research Centre for Healthy Lungs and Hunter Medical Research Institute, The University of Newcastle, Newcastle, Australia
| | - Philip M Hansbro
- Faculty of Science, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, Australia
| | - Matthew Whiteman
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, University of Exeter, Exeter, United Kingdom
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The Role of H 2S in the Gastrointestinal Tract and Microbiota. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1315:67-98. [PMID: 34302689 DOI: 10.1007/978-981-16-0991-6_4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The pathways and mechanisms of the production of H2S in the gastrointestinal tract are briefly described, including endogenous H2S produced by the organism and H2S from microorganisms in the gastrointestinal tract. In addition, the physiological regulatory functions of H2S on gastrointestinal motility, sensation, secretion and absorption, endocrine system, proliferation and differentiation of stem cells, and the possible mechanisms involved are introduced. In view of the complexity of biosynthesis, physiological roles, and the mechanism of H2S, this chapter focuses on the interactions and dynamic balance among H2S, gastrointestinal microorganisms, and the host. Finally, we focus on some clinical gastrointestinal diseases, such as inflammatory bowel disease, colorectal cancer, functional gastrointestinal disease, which might occur or develop when the above balance is broken. Pharmacological regulation of H2S or the intestinal microorganisms related to H2S might provide new therapeutic approaches for some gastrointestinal diseases.
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10
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The Role of Hydrogen Sulfide in Respiratory Diseases. Biomolecules 2021; 11:biom11050682. [PMID: 34062820 PMCID: PMC8147381 DOI: 10.3390/biom11050682] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 04/27/2021] [Accepted: 04/27/2021] [Indexed: 02/08/2023] Open
Abstract
Respiratory diseases are leading causes of death and disability around the globe, with a diverse range of health problems. Treatment of respiratory diseases and infections has been verified to be thought-provoking because of the increasing incidence and mortality rate. Hydrogen sulfide (H2S) is one of the recognized gaseous transmitters involved in an extensive range of cellular functions, and physiological and pathological processes in a variety of diseases, including respiratory diseases. Recently, the therapeutic potential of H2S for respiratory diseases has been widely investigated. H2S plays a vital therapeutic role in obstructive respiratory disease, pulmonary fibrosis, emphysema, pancreatic inflammatory/respiratory lung injury, pulmonary inflammation, bronchial asthma and bronchiectasis. Although the therapeutic role of H2S has been extensively studied in various respiratory diseases, a concrete literature review will have an extraordinary impact on future therapeutics. This review provides a comprehensive overview of the effective role of H2S in respiratory diseases. Besides, we also summarized H2S production in the lung and its metabolism processes in respiratory diseases.
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11
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Schiliro M, Bartman CM, Pabelick C. Understanding hydrogen sulfide signaling in neonatal airway disease. Expert Rev Respir Med 2021; 15:351-372. [PMID: 33086886 PMCID: PMC10599633 DOI: 10.1080/17476348.2021.1840981] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 10/20/2020] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Airway dysfunction leading to chronic lung disease is a common consequence of premature birth and mechanisms responsible for early and progressive airway remodeling are not completely understood. Current therapeutic options are only partially effective in reducing the burden of neonatal airway disease and premature decline of lung function. Gasotransmitter hydrogen sulfide (H2S) has been recently recognized for its therapeutic potential in lung diseases. AREAS COVERED Contradictory to its well-known toxicity at high concentrations, H2S has been characterized to have anti-inflammatory, antioxidant, and antiapoptotic properties at physiological concentrations. In the respiratory system, endogenous H2S production participates in late lung development and exogenous H2S administration has a protective role in a variety of diseases such as acute lung injury and chronic pulmonary hypertension and fibrosis. Literature searches performed using NCBI PubMed without publication date limitations were used to construct this review, which highlights the dichotomous role of H2S in the lung, and explores its promising beneficial effects in lung diseases. EXPERT OPINION The emerging role of H2S in pathways involved in chronic lung disease of prematurity along with its recent use in animal models of BPD highlight H2S as a potential novel candidate in protecting lung function following preterm birth.
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Affiliation(s)
- Marta Schiliro
- Departments of Anesthesiology, Mayo Clinic, Rochester, MN, USA
| | | | - Christina Pabelick
- Departments of Anesthesiology, Mayo Clinic, Rochester, MN, USA
- Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
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12
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Citi V, Martelli A, Brancaleone V, Brogi S, Gojon G, Montanaro R, Morales G, Testai L, Calderone V. Anti-inflammatory and antiviral roles of hydrogen sulfide: Rationale for considering H 2 S donors in COVID-19 therapy. Br J Pharmacol 2020; 177:4931-4941. [PMID: 32783196 PMCID: PMC7436626 DOI: 10.1111/bph.15230] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/19/2020] [Accepted: 08/02/2020] [Indexed: 12/15/2022] Open
Abstract
The COVID-19 pandemic caused by SARS-Cov-2 demands rapid, safe and effective therapeutic options. In the last decades, the endogenous gasotransmitter hydrogen sulfide (H2 S) has emerged as modulator of several biological functions and its deficiency has been associated with different disorders. Therefore, many H2 S-releasing agents have been developed as potential therapeutic tools for diseases related with impaired H2 S production and/or activity. Some of these compounds are in advanced clinical trials. Presently, the pivotal role of H2 S in modulating the inflammatory response and pro-inflammatory cytokine cascade is well recognized, and the usefulness of some H2 S-donors for the treatment of acute lung inflammation has been reported. Recent data is elucidating several mechanisms of action, which may account for antiviral effects of H2 S. Noteworthy, some preliminary clinical results suggest an inverse relationship between endogenous H2 S levels and severity of COVID-19. Therefore, repurposing of H2 S-releasing drugs may be a potential therapeutic opportunity for treatment of COVID-19. LINKED ARTICLES: This article is part of a themed issue on The Pharmacology of COVID-19. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.21/issuetoc.
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Affiliation(s)
| | | | | | - Simone Brogi
- Department of PharmacyUniversity of PisaPisaItaly
| | | | | | | | - Lara Testai
- Department of PharmacyUniversity of PisaPisaItaly
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13
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Xu JW, Gao DD, Peng L, Qiu ZE, Ke LJ, Zhu YX, Zhang YL, Zhou WL. The gasotransmitter hydrogen sulfide inhibits transepithelial anion secretion of pregnant mouse endometrial epithelium. Nitric Oxide 2019; 90:37-46. [PMID: 31175932 DOI: 10.1016/j.niox.2019.05.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 05/24/2019] [Accepted: 05/29/2019] [Indexed: 01/08/2023]
Abstract
Endometrial epithelium exhibits a robust ion transport activity required for dynamical regulation of uterine fluid environment and thus embryo implantation. However, there still lacks a thorough understanding of the ion transport processes and regulatory mechanism in peri-implantation endometrial epithelium. As a gaseous signaling molecule or gasotransmitter, hydrogen sulfide (H2S) regulates a myriad of cellular and physiological processes in various tissues, including the modulation of ion transport proteins in epithelium. This study aimed to investigate the effects of H2S on ion transport across mouse endometrial epithelium and its possible role in embryo implantation. The existence of endogenous H2S in pregnant mouse uterus was tested by the detection of two key H2S-generating enzymes and measurement of H2S production rate in tissue homogenates. Transepithelial ion transport processes were electrophysiologically assessed in Ussing chambers on early pregnant mouse endometrial epithelial layers, demonstrating that H2S suppressed the anion secretion by blocking cystic fibrosis transmembrane conductance regulator (CFTR). H2S increased intracellular Cl- concentration ([Cl-]i) in mouse endometrial epithelial cells, which was abolished by pretreatment with the CFTR selective inhibitor CFTRinh-172. The cAMP level in mouse endometrial epithelial cells was not affected by H2S, indicating that H2S blocked CFTR in a cAMP-independent way. In vivo study showed that interference with H2S synthesis impaired embryo implantation. In conclusion, our study demonstrated that H2S inhibits the transepithelial anion secretion of early pregnant mouse endometrial epithelium via blockade of CFTR, contributing to the preparation for embryo implantation.
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Affiliation(s)
- Jia-Wen Xu
- School of Life Sciences, Sun Yat-sen University, 510006, No. 132, Waihuan Dong Road, Higher Education Mega Center, Guangzhou, China
| | - Dong-Dong Gao
- School of Life Sciences, Sun Yat-sen University, 510006, No. 132, Waihuan Dong Road, Higher Education Mega Center, Guangzhou, China
| | - Lei Peng
- School of Life Sciences, Sun Yat-sen University, 510006, No. 132, Waihuan Dong Road, Higher Education Mega Center, Guangzhou, China
| | - Zhuo-Er Qiu
- School of Life Sciences, Sun Yat-sen University, 510006, No. 132, Waihuan Dong Road, Higher Education Mega Center, Guangzhou, China
| | - Li-Jiao Ke
- School of Life Sciences, Sun Yat-sen University, 510006, No. 132, Waihuan Dong Road, Higher Education Mega Center, Guangzhou, China
| | - Yun-Xin Zhu
- School of Life Sciences, Sun Yat-sen University, 510006, No. 132, Waihuan Dong Road, Higher Education Mega Center, Guangzhou, China
| | - Yi-Lin Zhang
- School of Life Sciences, Sun Yat-sen University, 510006, No. 132, Waihuan Dong Road, Higher Education Mega Center, Guangzhou, China.
| | - Wen-Liang Zhou
- School of Life Sciences, Sun Yat-sen University, 510006, No. 132, Waihuan Dong Road, Higher Education Mega Center, Guangzhou, China.
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14
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Viegas J, Esteves AF, Cardoso EM, Arosa FA, Vitale M, Taborda-Barata L. Biological Effects of Thermal Water-Associated Hydrogen Sulfide on Human Airways and Associated Immune Cells: Implications for Respiratory Diseases. Front Public Health 2019; 7:128. [PMID: 31231626 PMCID: PMC6560203 DOI: 10.3389/fpubh.2019.00128] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 05/08/2019] [Indexed: 12/20/2022] Open
Abstract
Natural mineral (thermal) waters have been used for centuries as treatment for various diseases. However, the scientific background of such therapeutic action is mostly empiric and based on knowledge acquired over time. Among the various types of natural mineral waters, sulfurous thermal waters (STWs) are the most common type in the center of Portugal. STWs are characterized by high pH, poor mineralization, and the presence of several ions and salts, such as bicarbonate, sodium, fluoride, silica, and carbonate. Furthermore, these waters are indicated as a good option for the treatment of various illnesses, namely respiratory diseases (e.g., allergic rhinitis, asthma, and chronic obstructive pulmonary disease). From the sulfide species present in these waters, hydrogen sulfide (H2S) stands out due to its abundance. In healthy conditions, H2S-related enzymes (e.g., cystathionine β-synthase and cystathionine γ-lyase) are expressed in human lungs, where they have mucolytic, antioxidant, anti-inflammatory, and antibacterial roles, thus contributing to airway epithelium homeostasis. These roles occur mainly through S-sulfhydration, a post-translational modification through which H2S is able to change the activity of several targets, such as ion channels, second messengers, proteins, among others. However, in respiratory diseases the metabolism of H2S is altered, which seems to contribute somehow to the respiratory deterioration. Moreover, H2S has been regarded as a good biomarker of airway dysfunction and severity, and can be measured in serum, sputum, and exhaled air. Hence, in this review we will recapitulate the effects of STWs on lung epithelial-immune crosstalk through the action of its main component, H2S.
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Affiliation(s)
- Joana Viegas
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal
| | - Ana Filipa Esteves
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal
| | - Elsa M Cardoso
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.,FCS-Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal.,Escola Superior da Saúde, IPG-Instituto Politécnico da Guarda, Guarda, Portugal
| | - Fernando A Arosa
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.,FCS-Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal
| | - Marco Vitale
- DiMeC-Department of Medicine & Surgery, University of Parma, Parma, Italy.,FoRST-Fondazione per la Ricerca Scientifica Termale, Rome, Italy
| | - Luís Taborda-Barata
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.,NuESA-Health & Environment Study Group, Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal.,Department of Immunoallergology, CHUCB-Cova da Beira University Hospital Centre, Covilhã, Portugal
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15
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Peptides for Skin Protection and Healing in Amphibians. Molecules 2019; 24:molecules24020347. [PMID: 30669405 PMCID: PMC6359409 DOI: 10.3390/molecules24020347] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 01/16/2019] [Accepted: 01/17/2019] [Indexed: 01/04/2023] Open
Abstract
Amphibian skin is not to be considered a mere tegument; it has a multitude of functions related to respiration, osmoregulation, and thermoregulation, thus allowing the individuals to survive and thrive in the terrestrial environment. Moreover, amphibian skin secretions are enriched with several peptides, which defend the skin from environmental and pathogenic insults and exert many other biological effects. In this work, the beneficial effects of amphibian skin peptides are reviewed, in particular their role in speeding up wound healing and in protection from oxidative stress and UV irradiation. A better understanding of why some species seem to resist several environmental insults can help to limit the ongoing amphibian decline through the development of appropriate strategies, particularly against pathologies such as viral and fungal infections.
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16
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Gao DD, Xu JW, Qin WB, Peng L, Qiu ZE, Wang LL, Lan CF, Cao XN, Xu JB, Zhu YX, Tang YG, Zhang YL, Zhou WL. Cellular Mechanism Underlying Hydrogen Sulfide Mediated Epithelial K + Secretion in Rat Epididymis. Front Physiol 2019; 9:1886. [PMID: 30666217 PMCID: PMC6330343 DOI: 10.3389/fphys.2018.01886] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 12/12/2018] [Indexed: 01/10/2023] Open
Abstract
As a novel gasotransmitter, hydrogen sulfide (H2S) elicits various physiological actions including smooth muscle relaxation and promotion of transepithelial ion transport. However, the pro-secretory function of H2S in the male reproductive system remains largely unclear. The aim of this study is to elucidate the possible roles of H2S in modulating rat epididymal intraluminal ionic microenvironment essential for sperm storage. The results revealed that endogenous H2S-generating enzymes cystathionine β-synthetase (CBS) and cystathionine γ-lyase (CSE) were both expressed in rat epididymis. CBS located predominantly in epithelial cells whilst CSE expressed primarily in smooth muscle cells. The relative expression level of CBS and CSE escalated from caput to cauda regions of epididymis, which was paralleled to the progressively increasing production of endogenous H2S. The effect of H2S on epididymal epithelial ion transportation was investigated using short-circuit current (ISC), measurement of intracellular ion concentration and in vivo rat epididymal microperfusion. Our data showed that H2S induced transepithelial K+ secretion via adenosine triphosphate-sensitive K+ (KATP) channel and large conductance Ca2+-activated K+ (BKCa) channel. Transient receptor potential vanilloid 4 (TRPV4) channel-mediated Ca2+ influx was implicated in the activation of BKCa channel. In vivo studies further demonstrated that H2S promoted K+ secretion in rat epididymal epithelium. Inhibition of endogenous H2S synthesis caused a significant decrease in K+ concentration of cauda epididymal intraluminal fluid. Moreover, our data demonstrated that high extracellular K+ concentration actively depressed the motility of cauda epididymal sperm in a pH-independent manner. Collectively, the present study demonstrated that H2S was vital to the formation of high K+ concentration in epididymal intraluminal fluid by promoting the transepithelial K+ secretion, which might contribute to the maintenance of the cauda epididymal sperm in quiescent dormant state before ejaculation.
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Affiliation(s)
- Dong-Dong Gao
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jia-Wen Xu
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Wei-Bing Qin
- Key Laboratory of Male Reproductive and Genetics, National Health and Family Planning Commission, Guangzhou, China
| | - Lei Peng
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Zhuo-Er Qiu
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Long-Long Wang
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Chong-Feng Lan
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Xiao-Nian Cao
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jian-Bang Xu
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yun-Xin Zhu
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yun-Ge Tang
- Key Laboratory of Male Reproductive and Genetics, National Health and Family Planning Commission, Guangzhou, China
| | - Yi-Lin Zhang
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Wen-Liang Zhou
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
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17
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Xu Y, Ma N, Wei P, Zeng Z, Meng J. Expression of hydrogen sulfide synthases and Hh signaling pathway components correlate with the clinicopathological characteristics of papillary thyroid cancer patients. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2018; 11:1818-1824. [PMID: 31938289 PMCID: PMC6958160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Accepted: 02/12/2018] [Indexed: 06/10/2023]
Abstract
OBJECTIVE To examine whether the expression levels of endogenous H2S synthases and hedgehog (Hh) signaling pathway components correlate with the clinicopathological characteristics of papillary thyroid cancer (PTC) patients. METHODS A retrospective analysis was conducted of clinicopathological data obtained from 176 patients diagnosed with PTC, and immunohistochemical methods were used to detect the expression levels of endogenous H2S synthases cystathionine γ-lyase (CSE), cystathionine β-synthase (CBS), and 3-mercaptopyruvate sulfurtransferase (MPST), as well as three molecules in the Hh signaling pathway: sonic hedgehog (SHH), patched (PTCH), and smoothened (SMO). Specimens of PTC tissue (n=176) and normal para-cancerous thyroid tissue (n=134) were obtained from 176 patients who underwent a total thyroidectomy or thyroid glandular follicle and isthmus resection and analyzed by immunohistochemical methods for their levels of CSE, CBS, MPST, SHH, PTCH, and SMO expression. RESULTS We found that CSE was overexpressed in PTC tissues, while CBS and MPST were only slightly expressed in PTC tissues at levels similar to those in adjacent normal tissues. The levels of CSE expression were positively correlated with tumor size, extrathyroidal extension (ETE), and lymph node metastasis (LNM), but were not correlated with patient gender, age, or TNM stage. SHH, PTCH, and SMO Hh signaling pathway components were widely expressed in PTC tissues, and their expression correlated with larger tumor size, ETE, and LNM, but not with patient gender, age, or TNM stage, suggesting that activation of the Hh signaling pathway is involved in thyroid tumor progression. CONCLUSIONS These data suggest that a high level of CSE expression accompanied by Hh signaling pathway activation is involved in the pathogenesis and progression of PTC.
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Affiliation(s)
- Yan Xu
- Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical UniversityGuangzhou, China
| | - Na Ma
- Department of Physiology, Guangdong Pharmaceutical UniversityGuangzhou 510006, China
| | - Peng Wei
- Department of Physiology, Guangdong Pharmaceutical UniversityGuangzhou 510006, China
| | - Zhi Zeng
- Department of Physiology, Guangdong Pharmaceutical UniversityGuangzhou 510006, China
| | - Jinlan Meng
- Department of Physiology, Guangdong Pharmaceutical UniversityGuangzhou 510006, China
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18
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Bazhanov N, Ansar M, Ivanciuc T, Garofalo RP, Casola A. Hydrogen Sulfide: A Novel Player in Airway Development, Pathophysiology of Respiratory Diseases, and Antiviral Defenses. Am J Respir Cell Mol Biol 2017; 57:403-410. [PMID: 28481637 PMCID: PMC5650090 DOI: 10.1165/rcmb.2017-0114tr] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 05/04/2017] [Indexed: 12/28/2022] Open
Abstract
Hydrogen sulfide (H2S) is a biologically relevant signaling molecule in mammals. Along with the volatile substances nitric oxide (NO) and carbon monoxide (CO), H2S is defined as a gasotransmitter. It plays a physiological role in a variety of functions, including synaptic transmission, vascular tone, angiogenesis, inflammation, and cellular signaling. The generation of H2S is catalyzed by cystathionine β-synthase (CBS), cystathionine γ-lyase (CSE), and 3-mercaptopyruvate sulfurtransferase (3-MST). The expression of CBS and CSE is tissue specific, with CBS being expressed predominantly in the brain, and CSE in peripheral tissues, including lungs. CSE expression and activity are developmentally regulated, and recent studies suggest that CSE plays an important role in lung alveolarization during fetal development. In the respiratory tract, endogenous H2S has been shown to participate in the regulation of important functions such as airway tone, pulmonary circulation, cell proliferation or apoptosis, fibrosis, oxidative stress, and inflammation. In the past few years, changes in the generation of H2S have been linked to the pathogenesis of a variety of acute and chronic inflammatory lung diseases, including asthma and chronic obstructive pulmonary disease. Recently, our laboratory made the critical discovery that cellular H2S exerts broad-spectrum antiviral activity both in vitro and in vivo, in addition to independent antiinflammatory activity. These findings have important implications for the development of novel therapeutic strategies for viral respiratory infections, as well as other inflammatory lung diseases, especially in light of recent significant efforts to generate controlled-release H2S donors for clinical therapeutic applications.
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Affiliation(s)
| | | | | | - Roberto P. Garofalo
- Departments of Pediatrics and
- Microbiology and Immunology, and
- Sealy Center for Molecular Medicine, University of Texas Medical Branch, Galveston, Texas
| | - Antonella Casola
- Departments of Pediatrics and
- Microbiology and Immunology, and
- Sealy Center for Molecular Medicine, University of Texas Medical Branch, Galveston, Texas
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19
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H 2S is a key antisecretory molecule against cholera toxin-induced diarrhoea in mice: Evidence for non-involvement of the AC/cAMP/PKA pathway and AMPK. Nitric Oxide 2017; 76:152-163. [PMID: 28943473 DOI: 10.1016/j.niox.2017.09.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 09/18/2017] [Accepted: 09/20/2017] [Indexed: 01/18/2023]
Abstract
Hydrogen sulphide (H2S) is a gasotransmitter that participates in various physiological and pathophysiological processes within the gastrointestinal tract. We studied the effects and possible mechanism of action of H2S in secretory diarrhoea caused by cholera toxin (CT). The possible mechanisms of action of H2S were investigated using an intestinal fluid secretion model in isolated intestinal loops on anaesthetized mice treated with CT. NaHS and Lawesson's reagent and l-cysteine showed antisecretory activity through reduction of intestinal fluid secretion and loss of Cl- induced by CT. Pretreatment with an inhibitor of cystathionine-γ-lyase (CSE), dl-propargylglycine (PAG), reversed the effect of l-cysteine and caused severe intestinal secretion. Co-treatment with PAG and a submaximal dose of CT increased intestinal fluid secretion, thus supporting the role of H2S in the pathophysiology of cholera. CT increased the expression of CSE and the production of H2S. Pretreatment with PAG did not reverse the effect of SQ 22536 (an AC inhibitor), bupivacaine (inhibitor of cAMP production), KT-5720 (a PKA inhibitor), and AICAR (an AMPK activator). The treatment with Forskolin does not reverse the effects of the H2S donors. Co-treatment with either NaHS or Lawesson's reagent and dorsomorphin (an AMPK inhibitor) did not reverse the effect of the H2S donors. H2S has antisecretory activity and is an essential molecule for protection against the intestinal secretion induced by CT. Thus, H2S donor drugs are promising candidates for cholera therapy. However, more studies are needed to elucidate the possible mechanism of action.
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20
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Zhao H, Pan P, Yang Y, Ge H, Chen W, Qu J, Shi J, Cui G, Liu X, Feng H, Chen Y. Endogenous hydrogen sulphide attenuates NLRP3 inflammasome-mediated neuroinflammation by suppressing the P2X7 receptor after intracerebral haemorrhage in rats. J Neuroinflammation 2017; 14:163. [PMID: 28821266 PMCID: PMC5563049 DOI: 10.1186/s12974-017-0940-4] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 08/10/2017] [Indexed: 12/31/2022] Open
Abstract
Background Emerging studies have demonstrated the important physiological and pathophysiological roles of hydrogen sulphide (H2S) as a gasotransmitter for NOD-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome-associated neuroinflammation in the central nervous system. However, the effects of H2S on neuroinflammation after intracerebral haemorrhage (ICH), especially on the NLRP3 inflammasome, remain unknown. Methods We employed a Sprague–Dawley rat of collagenase-induced ICH in the present study. The time course of H2S content and the spatial expression of cystathionine-β-synthase (CBS) after ICH, the effects of endogenous and exogenous H2S after ICH, the effects of endogenous and exogenous H2S on NLRP3 inflammasome activation under P2X7 receptor (P2X7R) overexpression after ICH, and the involvement of the P2X7R in the mechanism by which microglia-derived H2S prevented NLRP3 inflammasome activation were investigated. Results We found ICH induced significant downregulation of endogenous H2S production in the brain, which may be the result of decreasing in CBS, the predominant cerebral H2S-generating enzyme. Administration of S-adenosyl-l-methionine (SAM), a CBS-specific agonist, or sodium hydrosulfide (NaHS), a classical exogenous H2S donor, not only restored brain and plasma H2S content but also attenuated brain oedema, microglial accumulation and neurological deficits at 1 day post-ICH by inhibiting the P2X7R/NLRP3 inflammasome cascade. Endogenous H2S production, which was derived mainly by microglia and above treatments, was verified by adenovirus-overexpressed P2X7R and in vitro primary microglia studies. Conclusions These results indicated endogenous H2S synthesis was impaired after ICH, which plays a pivotal role in the P2X7R/NLRP3 inflammasome-associated neuroinflammatory response in the pathogenesis of secondary brain injury. Maintaining appropriate H2S concentrations in the central nervous system may represent a potential therapeutic strategy for managing post-ICH secondary brain injury and associated neurological deficits.
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Affiliation(s)
- Hengli Zhao
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Pengyu Pan
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Yang Yang
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Hongfei Ge
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Weixiang Chen
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Jie Qu
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Jiantao Shi
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Gaoyu Cui
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Xin Liu
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Hua Feng
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
| | - Yujie Chen
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, 29 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
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21
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Perniss A, Preiss K, Nier M, Althaus M. Hydrogen sulfide stimulates CFTR in Xenopus oocytes by activation of the cAMP/PKA signalling axis. Sci Rep 2017; 7:3517. [PMID: 28615646 PMCID: PMC5471219 DOI: 10.1038/s41598-017-03742-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2016] [Accepted: 05/05/2017] [Indexed: 12/27/2022] Open
Abstract
Hydrogen sulfide (H2S) has been recognized as a signalling molecule which affects the activity of ion channels and transporters in epithelial cells. The cystic fibrosis transmembrane conductance regulator (CFTR) is an epithelial anion channel and a key regulator of electrolyte and fluid homeostasis. In this study, we investigated the regulation of CFTR by H2S. Human CFTR was heterologously expressed in Xenopus oocytes and its activity was electrophysiologically measured by microelectrode recordings. The H2S-forming sulphur salt Na2S as well as the slow-releasing H2S-liberating compound GYY4137 increased transmembrane currents of CFTR-expressing oocytes. Na2S had no effect on native, non-injected oocytes. The effect of Na2S was blocked by the CFTR inhibitor CFTR_inh172, the adenylyl cyclase inhibitor MDL 12330A, and the protein kinase A antagonist cAMPS-Rp. Na2S potentiated CFTR stimulation by forskolin, but not that by IBMX. Na2S enhanced CFTR stimulation by membrane-permeable 8Br-cAMP under inhibition of adenylyl cyclase-mediated cAMP production by MDL 12330A. These data indicate that H2S activates CFTR in Xenopus oocytes by inhibiting phosphodiesterase activity and subsequent stimulation of CFTR by cAMP-dependent protein kinase A. In epithelia, an increased CFTR activity may correspond to a pro-secretory response to H2S which may be endogenously produced by the epithelium or H2S-generating microflora.
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Affiliation(s)
- Alexander Perniss
- Institute for Animal Physiology, Justus-Liebig-University, Giessen, Germany.,Institute for Anatomy and Cell Biology, Justus-Liebig-University, Giessen, Germany
| | - Kathrin Preiss
- Institute for Animal Physiology, Justus-Liebig-University, Giessen, Germany
| | - Marcel Nier
- Institute for Animal Physiology, Justus-Liebig-University, Giessen, Germany
| | - Mike Althaus
- Institute for Animal Physiology, Justus-Liebig-University, Giessen, Germany. .,School of Biology, Newcastle University, Newcastle upon Tyne, United Kingdom.
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22
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Krause NC, Kutsche HS, Santangelo F, DeLeon ER, Dittrich NP, Olson KR, Althaus M. Hydrogen sulfide contributes to hypoxic inhibition of airway transepithelial sodium absorption. Am J Physiol Regul Integr Comp Physiol 2016; 311:R607-17. [DOI: 10.1152/ajpregu.00177.2016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Accepted: 07/13/2016] [Indexed: 01/23/2023]
Abstract
In lung epithelial cells, hypoxia decreases the expression and activity of sodium-transporting molecules, thereby reducing the rate of transepithelial sodium absorption. The mechanisms underlying the sensing of hypoxia and subsequent coupling to sodium-transporting molecules remain unclear. Hydrogen sulfide (H2S) has recently been recognized as a cellular signaling molecule whose intracellular concentrations critically depend on oxygen levels. Therefore, it was questioned whether endogenously produced H2S contributes to hypoxic inhibition of sodium transport. In electrophysiological Ussing chamber experiments, hypoxia was established by decreasing oxygen concentrations in the chambers. Hypoxia concentration dependently and reversibly decreased amiloride-sensitive sodium absorption by cultured H441 monolayers and freshly dissected porcine tracheal epithelia due to inhibition of basolateral Na+/K+-ATPase. Exogenous application of H2S by the sulfur salt Na2S mimicked the effect of hypoxia and inhibited amiloride-sensitive sodium absorption by both tissues in an oxygen-dependent manner. Hypoxia increased intracellular concentrations of H2S and decreased the concentration of polysulfides. Pretreatment with the cystathionine-γ-lyase inhibitor d/l-propargylglycine (PAG) decreased hypoxic inhibition of sodium transport by H441 monolayers, whereas inhibition of cystathionine-β-synthase (with aminooxy-acetic acid; AOAA) or 3-mercaptopyruvate sulfurtransferase (with aspartate) had no effect. Inhibition of all of these H2S-generating enzymes with a combination of AOAA, PAG, and aspartate decreased the hypoxic inhibition of sodium transport by H441 cells and pig tracheae and decreased H2S production by tracheae. These data suggest that airway epithelial cells endogenously produce H2S during hypoxia, and this contributes to hypoxic inhibition of transepithelial sodium absorption.
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Affiliation(s)
- Nicole C. Krause
- Institute for Animal Physiology, Justus-Liebig-University, Giessen, Germany; and
| | - Hanna S. Kutsche
- Institute for Animal Physiology, Justus-Liebig-University, Giessen, Germany; and
| | - Fabrizio Santangelo
- Institute for Animal Physiology, Justus-Liebig-University, Giessen, Germany; and
| | - Eric R. DeLeon
- Department of Physiology, Indiana University School of Medicine-South Bend, South Bend, Indiana
| | - Nikolaus P. Dittrich
- Institute for Animal Physiology, Justus-Liebig-University, Giessen, Germany; and
| | - Kenneth R. Olson
- Department of Physiology, Indiana University School of Medicine-South Bend, South Bend, Indiana
| | - Mike Althaus
- Institute for Animal Physiology, Justus-Liebig-University, Giessen, Germany; and
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