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Tian D, Meng J, Li L, Xue H, Geng Q, Miao Y, Xu M, Wang R, Zhang X, Wu Y. Hydrogen sulfide ameliorates senescence in vascular endothelial cells through ameliorating inflammation and activating PPARδ/SGLT2/STAT3 signaling pathway. Acta Biochim Biophys Sin (Shanghai) 2023; 55:1358-1369. [PMID: 37587757 PMCID: PMC10520484 DOI: 10.3724/abbs.2023156] [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: 11/28/2022] [Accepted: 02/13/2023] [Indexed: 08/18/2023] Open
Abstract
Mounting evidence demonstrates that hydrogen sulfide (H 2S) promotes anti-inflammatory molecules and inhibits pro-inflammatory cytokines in endothelial cells (ECs). This study aims to investigate the favorable action of H 2S on endothelial function in senescence by inhibiting the production of inflammatory molecules. Senescent ECs exhibit a reduction in H 2S, endothelial nitric oxide synthase (eNOS) and peroxisome proliferator-activated receptor δ (PPARδ), coupled with increased inflammatory molecules, sodium glucose transporter type 2 (SGLT2) and phosphorylation of STAT3, which could be reversed by the administration of a slow but sustained release agent of H 2S, GYY4137. Decreased production of eNOS and upregulated p-STAT3 and SGLT2 levels in senescent ECs are reversed by replenishment of the SGLT2 inhibitor EMPA and the PPARδ agonist GW501516. The PPARδ antagonist GSK0660 attenuates eNOS expression and increases the production of p-STAT3 and SGLT2. However, supplementation with GYY4137 has no beneficial effect on GSK0660-treated ECs. GYY4137, GW501516 and EMPA preserve endothelial-dependent relaxation (EDR) in D-gal-treated aortae, while GSK0660 destroys aortic relaxation even with GYY4137 supplementation. In summary, senescent ECs manifest aggravated the expressions of the inflammatory molecules SGLT2 and p-STAT3 and decreased the productions of PPARδ, eNOS and CSE. H 2S ameliorates endothelial dysfunction through the anti-inflammatory effect of the PPARδ/SGLT2/p-STAT3 signaling pathway in senescent ECs and may be a potential therapeutic target for anti-ageing treatment.
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Affiliation(s)
- Danyang Tian
- Department of PhysiologyHebei Medical UniversityShijiazhuang050017China
- Department of PharmacologyTianjin Key Laboratory of Inflammatory BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjin300070China
| | - Jinqi Meng
- Department of SportsHebei Medical UniversityShijiazhuang050017China
| | - Lin Li
- College of PharmacyHebei Medical UniversityShijiazhuang050017China
| | - Hongmei Xue
- Department of PhysiologyHebei Medical UniversityShijiazhuang050017China
| | - Qi Geng
- Hebei Key Lab of Laboratory Animal ScienceHebei Medical UniversityShijiazhuang050017China
| | - Yuxin Miao
- Department of PhysiologyHebei Medical UniversityShijiazhuang050017China
| | - Meng Xu
- Department of PhysiologyHebei Medical UniversityShijiazhuang050017China
| | - Ru Wang
- Department of PhysiologyHebei Medical UniversityShijiazhuang050017China
| | - Xiangjian Zhang
- Hebei Collaborative Innovation Center for Cardio-Cerebrovascular DiseaseShijiazhuang050017China
| | - Yuming Wu
- Department of PhysiologyHebei Medical UniversityShijiazhuang050017China
- Hebei Collaborative Innovation Center for Cardio-Cerebrovascular DiseaseShijiazhuang050017China
- The Key Laboratory of Neural and Vascular BiologyMinistry of EducationShijiazhuang050017China
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2
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Fusobacterium Nucleatum-Induced Tumor Mutation Burden Predicts Poor Survival of Gastric Cancer Patients. Cancers (Basel) 2022; 15:cancers15010269. [PMID: 36612265 PMCID: PMC9818776 DOI: 10.3390/cancers15010269] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/24/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
Co-infection of Helicobacter pylori and Fusobacterium nucleatum is a microbial biomarker for poor prognosis of gastric cancer patients. Fusobacterium nucleatum is associated with microsatellite instability and the accumulation of mutations in colorectal cancer. Here, we investigated the mutation landscape of Fusobacterium nucleatum-positive resected gastric cancer tissues using Illumina TruSight Oncology 500 comprehensive panel. Sequencing data were processed to identify the small nucleotide variants, small insertions and deletions, and unstable microsatellite sites. The bioinformatic algorithm also calculated copy number gains of preselected genes and tumor mutation burden. The recurrent genetic aberrations were identified in this study cohort. For gene amplification events, ERBB2, cell cycle regulators, and specific FGF ligands and receptors were the most frequently amplified genes. Pathogenic activation mutations of ERBB2, ERBB3, and PIK3CA, as well as loss-of-function of TP53, were identified in multiple patients. Furthermore, Fusobacterium nucleatum infection is positively correlated with a higher tumor mutation burden. Survival analysis showed that the combination of Fusobacterium nucleatum infection and high tumor mutation burden formed an extremely effective biomarker to predict poor prognosis. Our results indicated that the ERBB2-PIK3-AKT-mTOR pathway is frequently activated in gastric cancer and that Fusobacterium nucleatum and high mutation burden are strong biomarkers of poor prognosis for gastric cancer patients.
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Wang Y, Zhao X, Chen Y, James TD, Wang G, Zhang H. Synergistically activated dual-locked fluorescent probes to monitor H 2S-induced DNA damage. Chem Commun (Camb) 2022; 58:10500-10503. [PMID: 36043365 DOI: 10.1039/d2cc04247a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Naphthalimide-based fluorescent probes (NAN0-N3 and NAN6-N3) were developed with dual locked fluorescence. Here, ≥1.9 × 10-2 mM of H2S and ≥2.2 × 10-2 μg mL-1 of DNA could unlock a highly sensitive off-on fluorescence response through synergistic changes of the molecular structure and conformation. As such, the probes could monitor DNA damage induced by the overexpression of H2S, and were able to evaluate the degree of apoptosis of living cells mediated by H2S-induced mtDNA or nDNA damage.
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Affiliation(s)
- Yafu Wang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering Institution, Henan Normal University, Xinxiang, 453007, China.
| | - Xiaoli Zhao
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering Institution, Henan Normal University, Xinxiang, 453007, China.
| | - Yuehua Chen
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering Institution, Henan Normal University, Xinxiang, 453007, China.
| | - Tony D James
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering Institution, Henan Normal University, Xinxiang, 453007, China. .,Department of Chemistry, University of Bath, Bath, BA2 7AY, UK
| | - Ge Wang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453007, China
| | - Hua Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering Institution, Henan Normal University, Xinxiang, 453007, China.
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4
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Liu S, Ding SR, Niu YH, Sun PJ, Qing HD, Li LL, Wang WZ. Two new 3D lanthanide-organic frameworks based on rod-shaped metal-carboxylate chain SBU: Synthesis, characterization and luminescent detection of Fe3+ and S2− in aqueous solution. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Su Z, Kong L, Dai Y, Tang J, Mei J, Qian Z, Ma Y, Li Q, Ju S, Wang J, Fan W, Zhu C. Bioresponsive nano-antibacterials for H 2S-sensitized hyperthermia and immunomodulation against refractory implant-related infections. SCIENCE ADVANCES 2022; 8:eabn1701. [PMID: 35394829 PMCID: PMC8993125 DOI: 10.1126/sciadv.abn1701] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 02/16/2022] [Indexed: 05/20/2023]
Abstract
There is an increasingly growing demand for nonantibiotic strategies to overcome drug resistance in bacterial biofilm infections. Here, a novel "gas-sensitized hyperthermia" strategy is proposed for appreciable bacteria killing by the smart design of a metal-organic framework (MOF)-sealed Prussian blue-based nanocarrier (MSDG). Once the biofilm microenvironment (BME) is reached, the acidity-activated MOF degradation allows the release of diallyl trisulfide and subsequent glutathione-responsive generation of hydrogen sulfide (H2S) gas. Upon near-infrared irradiation, H2S-sensitized hyperthermia arising from MSDG can efficiently eliminate biofilms through H2S-induced extracellular DNA damage and heat-induced bacterial death. The generated H2S in the biofilm can stimulate the polarization of macrophages toward M2 phenotype for reshaping immune microenvironment. Subsequently, the secretion of abundant regeneration-related cytokines from M2 macrophages accelerates tissue regeneration by reversing the infection-induced pro-inflammatory environment in an implant-related infection model. Collectively, such BME-responsive nano-antibacterials can achieve biofilm-specific H2S-sensitized thermal eradiation and immunomodulatory tissue remodeling, thus realizing the renaissance of precision treatment of refractory implant-related infections.
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Affiliation(s)
- Zheng Su
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
| | - Lingtong Kong
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
| | - Yong Dai
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
| | - Jin Tang
- Department of Clinical Laboratory, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai Jiao Tong University, Shanghai 200233, China
- Corresponding author. (J.T.); (J.W.); (W.F.); (C.Z.)
| | - Jiawei Mei
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
| | - Zhengzheng Qian
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, China
| | - Yuanyuan Ma
- Jiangsu Key Laboratory of Molecular and Functional Imaging, Department of Radiology, Zhongda Hospital, Medical School of Southeast University, 87 DingJiaQiao Road, Nanjing 210009, China
| | - Qianming Li
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
| | - Shenghong Ju
- Jiangsu Key Laboratory of Molecular and Functional Imaging, Department of Radiology, Zhongda Hospital, Medical School of Southeast University, 87 DingJiaQiao Road, Nanjing 210009, China
| | - Jiaxing Wang
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai Jiao Tong University, Shanghai 200233, China
- Corresponding author. (J.T.); (J.W.); (W.F.); (C.Z.)
| | - Wenpei Fan
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, China
- Corresponding author. (J.T.); (J.W.); (W.F.); (C.Z.)
| | - Chen Zhu
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
- Corresponding author. (J.T.); (J.W.); (W.F.); (C.Z.)
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Lim DRX, Chen Y, Ng LF, Gruber J, Gan Y. Glutathione catabolism by
Enterobacteriaceae
species to hydrogen sulfide adversely affects viability of host systems in the presence of 5’fluorodeoxyuridine. Mol Microbiol 2022; 117:1089-1103. [PMID: 35279884 PMCID: PMC9313583 DOI: 10.1111/mmi.14893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 11/29/2022]
Abstract
Reduced glutathione (GSH) plays an essential role in relieving oxidative insult from the generation of free radicals via normal physiological processes. However, GSH can be exploited by bacteria as a signalling molecule for the regulation of virulence. We describe findings arising from a serendipitous observation that when GSH and Escherichia coli were incubated with 5′fluorodeoxyuridine (FUdR)‐synchronised populations of Caenorhabditis elegans, the nematodes underwent rapid death. Death was mediated by the production of hydrogen sulphide mainly through the action of tnaA, a tryptophanase‐encoding gene in E. coli. Other Enterobacteriaceae species possess similar cysteine desulfhydrases that can catabolise l‐cysteine‐containing compounds to hydrogen sulphide and mediate nematode killing when worms had been pre‐treated with FUdR. When colonic epithelial cell lines were infected, hydrogen sulphide produced by these bacteria in the presence of GSH was also able to inhibit ATP synthesis in these cells particularly when cells had been treated with FUdR. Therefore, bacterial production of hydrogen sulphide could act in concert with a commonly used genotoxic cancer drug to exert host cell impairment. Hydrogen sulphide also increases bacterial adhesion to the intestinal cells. These findings could have implications for patients undergoing chemotherapy using FUdR analogues that could result in intestinal damage.
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Affiliation(s)
- Daniel Rui Xiang Lim
- Department of Biochemistry, Yong Loo Lin School of Medicine National University of Singapore Singapore
| | - Yahua Chen
- Department of Biochemistry, Yong Loo Lin School of Medicine National University of Singapore Singapore
| | - Li Fang Ng
- Science Divisions, Yale NUS College Singapore 138527 Singapore
| | - Jan Gruber
- Department of Biochemistry, Yong Loo Lin School of Medicine National University of Singapore Singapore
- Science Divisions, Yale NUS College Singapore 138527 Singapore
| | - Yunn‐Hwen Gan
- Department of Biochemistry, Yong Loo Lin School of Medicine National University of Singapore Singapore
- Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine National University of Singapore Singapore
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7
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Badri H, Polya DA, Povey AC. Geochemical compositional controls on DNA strand breaks induced in in vitro cell-free assays by crushed rock powders from the Panasqueira mine area, Portugal. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:2631-2647. [PMID: 32648060 PMCID: PMC8275547 DOI: 10.1007/s10653-020-00653-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 06/24/2020] [Indexed: 06/11/2023]
Abstract
DNA strand breaks are a common form of DNA damage that can contribute to chromosomal instability or gene mutations. Such strand breaks may be caused by exposure to heavy metals. The aim of this study was to assess the level of DNA strand breaks caused by µm-scale solid particles of known chemical composition with elevated heavy metals/metalloids, notably arsenic, using an in vitro cell-free DNA plasmid scission assay. These samples were incubated with and without H2O2 to see whether damage occurs directly or indirectly through the Fenton reaction. Levels of DNA damage in the absence of H2O2 were < 10%, but in the presence of H2O2, all samples showed higher levels of damage ranging from 10 to 100% suggesting that damage was being incurred through the Fenton reaction. Using bivariate correlation analysis and multiple linear regression, manganese oxide (MnO), sulphur (S), copper (Cu), and zinc (Zn) concentrations in the particulates were found to be the most significant predictors of DNA damage. The mechanism of this DNA damage formation has yet to be thoroughly investigated but is hypothesised to be due to reactive oxygen species formation. Further work is required to assess the extent of contribution of reactive oxygen species to this DNA damage, but this study highlights the potential role of chemistry and/or mineralogy to the extent and/or nature of DNA damage caused by particulates.
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Affiliation(s)
- Hatim Badri
- Department of Earth and Environmental Sciences and Williamson Research Centre for Molecular Environmental Science, University of Manchester, Williamson Building, Oxford Road, Manchester, M13 9PL, UK
- Department of Environmental Health, College of Public Health and Health Informatics, Umm Al-Qura University, Makkah, Saudi Arabia
| | - David A Polya
- Department of Earth and Environmental Sciences and Williamson Research Centre for Molecular Environmental Science, University of Manchester, Williamson Building, Oxford Road, Manchester, M13 9PL, UK.
| | - Andrew C Povey
- Division of Population Health, Health Services Research and Primary Care, School of Health Sciences, Faculty of Medicine, Biology and Health, University of Manchester, Manchester, M13 9PL, UK
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8
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Szabo C. Hydrogen Sulfide, an Endogenous Stimulator of Mitochondrial Function in Cancer Cells. Cells 2021; 10:cells10020220. [PMID: 33499368 PMCID: PMC7911547 DOI: 10.3390/cells10020220] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/12/2022] Open
Abstract
Hydrogen sulfide (H2S) has a long history as toxic gas and environmental hazard; inhibition of cytochrome c oxidase (mitochondrial Complex IV) is viewed as a primary mode of its cytotoxic action. However, studies conducted over the last two decades unveiled multiple biological regulatory roles of H2S as an endogenously produced mammalian gaseous transmitter. Cystathionine γ-lyase (CSE), cystathionine β-synthase (CBS) and 3-mercaptopyruvate sulfurtransferase (3-MST) are currently viewed as the principal mammalian H2S-generating enzymes. In contrast to its inhibitory (toxicological) mitochondrial effects, at lower (physiological) concentrations, H2S serves as a stimulator of electron transport in mammalian mitochondria, by acting as an electron donor—with sulfide:quinone oxidoreductase (SQR) being the immediate electron acceptor. The mitochondrial roles of H2S are significant in various cancer cells, many of which exhibit high expression and partial mitochondrial localization of various H2S producing enzymes. In addition to the stimulation of mitochondrial ATP production, the roles of endogenous H2S in cancer cells include the maintenance of mitochondrial organization (protection against mitochondrial fission) and the maintenance of mitochondrial DNA repair (via the stimulation of the assembly of mitochondrial DNA repair complexes). The current article overviews the state-of-the-art knowledge regarding the mitochondrial functions of endogenously produced H2S in cancer cells.
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Affiliation(s)
- Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, CH-1700 Fribourg, Switzerland
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9
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Gorini F, Bustaffa E, Chatzianagnostou K, Bianchi F, Vassalle C. Hydrogen sulfide and cardiovascular disease: Doubts, clues, and interpretation difficulties from studies in geothermal areas. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 743:140818. [PMID: 32758850 DOI: 10.1016/j.scitotenv.2020.140818] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/10/2020] [Accepted: 07/06/2020] [Indexed: 06/11/2023]
Abstract
Hydrogen sulfide (H2S) represents one of the main pollutants originating from both geologic phenomena such as volcanoes, geysers, fumaroles and hot springs, and geothermal plants that produce heat and electricity. Many increasing data suggest that H2S retains a variety of biological properties, and modulates many pathways related to cardiovascular pathophysiology although its role as beneficial/adverse determinant on cardiovascular disease (CVD) is not clearly established. In this review, the current knowledge on the association between H2S exposure and risk of CVD in geothermal areas has been examined. The few epidemiological studies carried out in geothermal areas suggest, in some cases, a protective role of H2S towards CVD, while in others a positive association between exposure to H2S and increased incidence of CVD. Most of the studies have an ecological design that does not allow to produce evidence to support a causal relationship and also often lack for an adequate adjustment for individual CVD risk factors. The review has also considered the potential role of two other aspects not sufficiently explored in this relationship: the production of endogenous H2S that is a gasotransmitter producing beneficial effects on cardiovascular function at low concentration and the intake of H2S-releasing drugs for the treatment of patients affected by hypertension, inflammatory diseases, and CVD. Thus, a threshold effect of H2S and the shift of action as beneficial/adverse determinant given by the synergy of exogenous exposure and endogenous production cannot be excluded. In this complex scenario, an effort is warranted in the future to include a more comprehensive evaluation of risk for CVD in relation to H2S emissions, especially in geothermal areas.
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Affiliation(s)
- Francesca Gorini
- Unit of Environmental Epidemiology and Diseases Registries, Institute of Clinical Physiology, National Research Council, IFC-CNR, via Moruzzi 1, Pisa 56124, Italy.
| | - Elisa Bustaffa
- Unit of Environmental Epidemiology and Diseases Registries, Institute of Clinical Physiology, National Research Council, IFC-CNR, via Moruzzi 1, Pisa 56124, Italy
| | | | - Fabrizio Bianchi
- Unit of Environmental Epidemiology and Diseases Registries, Institute of Clinical Physiology, National Research Council, IFC-CNR, via Moruzzi 1, Pisa 56124, Italy
| | - Cristina Vassalle
- Gabriele Monasterio Foundation for the Medical and Public Health Research, via Moruzzi 1, Pisa 56124, Italy
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10
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Rahman MA, Glasgow JN, Nadeem S, Reddy VP, Sevalkar RR, Lancaster JR, Steyn AJC. The Role of Host-Generated H 2S in Microbial Pathogenesis: New Perspectives on Tuberculosis. Front Cell Infect Microbiol 2020; 10:586923. [PMID: 33330130 PMCID: PMC7711268 DOI: 10.3389/fcimb.2020.586923] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 10/13/2020] [Indexed: 12/14/2022] Open
Abstract
For centuries, hydrogen sulfide (H2S) was considered primarily as a poisonous gas and environmental hazard. However, with the discovery of prokaryotic and eukaryotic enzymes for H2S production, breakdown, and utilization, H2S has emerged as an important signaling molecule in a wide range of physiological and pathological processes. Hence, H2S is considered a gasotransmitter along with nitric oxide (•NO) and carbon monoxide (CO). Surprisingly, despite having overlapping functions with •NO and CO, the role of host H2S in microbial pathogenesis is understudied and represents a gap in our knowledge. Given the numerous reports that followed the discovery of •NO and CO and their respective roles in microbial pathogenesis, we anticipate a rapid increase in studies that further define the importance of H2S in microbial pathogenesis, which may lead to new virulence paradigms. Therefore, this review provides an overview of sulfide chemistry, enzymatic production of H2S, and the importance of H2S in metabolism and immunity in response to microbial pathogens. We then describe our current understanding of the role of host-derived H2S in tuberculosis (TB) disease, including its influences on host immunity and bioenergetics, and on Mycobacterium tuberculosis (Mtb) growth and survival. Finally, this review discusses the utility of H2S-donor compounds, inhibitors of H2S-producing enzymes, and their potential clinical significance.
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Affiliation(s)
| | - Joel N Glasgow
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Sajid Nadeem
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Vineel P Reddy
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Ritesh R Sevalkar
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Jack R Lancaster
- Department of Pharmacology and Chemical Biology, Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Adrie J C Steyn
- Africa Health Research Institute, Durban, South Africa.,Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States.,Centers for AIDS Research and Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, United States
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11
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Balne PK, Sinha NR, Hofmann AC, Martin LM, Mohan RR. Characterization of hydrogen sulfide toxicity to human corneal stromal fibroblasts. Ann N Y Acad Sci 2020; 1480:207-218. [PMID: 32954509 PMCID: PMC9250278 DOI: 10.1111/nyas.14498] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 08/23/2020] [Accepted: 08/31/2020] [Indexed: 12/14/2022]
Abstract
Hydrogen sulfide gas (H2 S) is a chemical weapon and a common environmental pollutant. H2 S intoxication is lethal to humans and animals. H2 S contact to the eye can cause vision loss. However, the molecular mechanisms associated with H2 S toxicity to the cornea remain unclear, and no specific therapy exists to mitigate ocular damage from H2 S. Here, we report H2 S-induced cytotoxicity and the parameters contributing to the molecular mechanisms associated with corneal toxicity using primary human corneal stromal fibroblasts (hCSFs) in vitro. Sodium hydrosulfide (NaSH) was used as a source of H2 S, and the cytotoxicity of H2 S was determined by treating hCSF cells with varying concentrations of NaSH (0-10 mM) for 0-72 hours. Changes in cell proliferation, oxidative stress factors, and the expression of inflammatory and fibrotic genes were studied using standard commercial kits and qRT-PCR. NaSH exposure to hCSFs showed dose- and time-dependent cytotoxicity. The IC50 of NaSH was determined to be 5.35 mM. NaSH 5.35 mM exposure led to significantly decreased cytochrome c oxidase activity, increased ROS production, and increased expression of inflammatory and fibrotic genes in hCSF cells. H2 S/NaSH exposure alters normal mitochondrial function, oxidative stress, and inflammatory and fibrotic gene responses in corneal stromal fibroblasts in vitro.
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Affiliation(s)
- Praveen K. Balne
- Harry S. Truman Memorial Veterans’ Hospital, Columbia, Missouri
- One-Health Vision Research Program, Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, Missouri
| | - Nishant R. Sinha
- Harry S. Truman Memorial Veterans’ Hospital, Columbia, Missouri
- One-Health Vision Research Program, Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, Missouri
| | - Alexandria C. Hofmann
- One-Health Vision Research Program, Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, Missouri
| | - Lynn M. Martin
- Harry S. Truman Memorial Veterans’ Hospital, Columbia, Missouri
- One-Health Vision Research Program, Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, Missouri
| | - Rajiv R. Mohan
- Harry S. Truman Memorial Veterans’ Hospital, Columbia, Missouri
- One-Health Vision Research Program, Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, Missouri
- Mason Eye Institute, School of Medicine, University of Missouri, Columbia, Missouri
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12
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Oxidative, Reductive, and Nitrosative Stress Effects on Epigenetics and on Posttranslational Modification of Enzymes in Cardiometabolic Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:8819719. [PMID: 33204398 PMCID: PMC7649698 DOI: 10.1155/2020/8819719] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/09/2020] [Accepted: 10/16/2020] [Indexed: 02/07/2023]
Abstract
Oxidative (OS), reductive (RS), and nitrosative (NSS) stresses produce carbonylation, glycation, glutathionylation, sulfhydration, nitration, and nitrosylation reactions. OS, RS, and NSS are interrelated since RS results from an overactivation of antioxidant systems and NSS is the result of the overactivation of the oxidation of nitric oxide (NO). Here, we discuss the general characteristics of the three types of stress and the way by which the reactions they induce (a) damage the DNA structure causing strand breaks or inducing the formation of 8-oxo-d guanosine; (b) modify histones; (c) modify the activities of the enzymes that determine the establishment of epigenetic cues such as DNA methyl transferases, histone methyl transferases, acetyltransferases, and deacetylases; (d) alter DNA reparation enzymes by posttranslational mechanisms; and (e) regulate the activities of intracellular enzymes participating in metabolic reactions and in signaling pathways through posttranslational modifications. Furthermore, the three types of stress may establish new epigenetic marks through these reactions. The development of cardiometabolic disorders in adult life may be programed since early stages of development by epigenetic cues which may be established or modified by OS, RS, and NSS. Therefore, the three types of stress participate importantly in mediating the impact of the early life environment on later health and heritability. Here, we discuss their impact on cardiometabolic diseases. The epigenetic modifications induced by these stresses depend on union and release of chemical residues on a DNA sequence and/or on amino acid residues in proteins, and therefore, they are reversible and potentially treatable.
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Ghosh G, Greer A. A fluorinated phosphite traps alkoxy radicals photogenerated at the air/solid interface of a nanoparticle. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Goutam Ghosh
- Department of Chemistry Brooklyn College Brooklyn New York USA
- Ph.D. Program in Chemistry The Graduate Center of the City University of New York New York New York USA
| | - Alexander Greer
- Department of Chemistry Brooklyn College Brooklyn New York USA
- Ph.D. Program in Chemistry The Graduate Center of the City University of New York New York New York USA
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Bernardini C, La Mantia D, Nesci S, Salaroli R, Algieri C, Pagliarani A, Zannoni A, Forni M. Effects of Hydrogen Sulfide Donor NaHS on Porcine Vascular Wall-Mesenchymal Stem Cells. Int J Mol Sci 2020; 21:E5267. [PMID: 32722269 PMCID: PMC7432345 DOI: 10.3390/ijms21155267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 02/07/2023] Open
Abstract
Hydrogen sulfide (H2S) is now considered not only for its toxicity, but also as an endogenously produced gas transmitter with multiple physiological roles, also in maintaining and regulating stem cell physiology. In the present work, we evaluated the effect of a common H2S donor, NaHS, on porcine vascular wall-mesenchymal stem cells (pVW-MSCs). pVW-MSCs were treated for 24 h with increasing doses of NaHS, and the cell viability, cell cycle, and reactive oxygen species (ROS) production were evaluated. Moreover, the long-term effects of NaHS administration on the noteworthy characteristics of pVW-MSCs were analyzed. The MTT test revealed no alteration in cell viability, however, the cell cycle analysis demonstrated that the highest NaHS dose tested (300 μM) determined a block in S phase, which did not depend on the ROS production. Moreover, NaHS (10 μM), continuously administered in culture for 21 days, was able to significantly reduce NG2, Nestin and PDGFR-β expression. The pro-angiogenic attitude of pVW-MSCs was partially reduced by NaHS: the cells maintained the ability to grow in spheroid and sprouting from that, but endothelial markers (Factor VIII and CD31) were reduced. In conclusion, NaHS can be toxic for pVW-MSCs in high doses, while in low doses, it influences cellular physiology, by affecting the gene expression with a slowing down of the endothelial lineage.
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Affiliation(s)
- Chiara Bernardini
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Debora La Mantia
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Salvatore Nesci
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Roberta Salaroli
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Cristina Algieri
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Alessandra Pagliarani
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Augusta Zannoni
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
- Health Sciences and Technologies—Interdepartmental Center for Industrial Research (CIRI-SDV), Alma Mater Studiorum—University of Bologna, 40100 Bologna, Italy
| | - Monica Forni
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
- Health Sciences and Technologies—Interdepartmental Center for Industrial Research (CIRI-SDV), Alma Mater Studiorum—University of Bologna, 40100 Bologna, Italy
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Mirzaei H, O'Brien A, Tasnim N, Ravishankara A, Tahmooressi H, Hoorfar M. Topical review on monitoring tetrahydrocannabinol in breath. J Breath Res 2020; 14:034002. [PMID: 31842004 DOI: 10.1088/1752-7163/ab6229] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Legalization of cannabis for recreational use has compelled governments to seek new tools to accurately monitor Δ9-tetrahydrocannabinol (Δ9-THC) and understand its effect on impairment. Various methods have been employed to measure Δ9-THC, and its respective metabolites, in different biological matrices. Recently, breath analysis has gained interest as a non-invasive method for the detection of chemicals that are either produced as part of biological processes or are absorbed from the environment. Existing breath analyzers function by analyzing previously collected samples or by direct real-time analysis. Portable hand-held devices are of particular interest for law enforcement and personal use. This paper reviews and compares both commercially available and prototype devices that proclaim Δ9-THC detection in exhaled breath using methods such as Field Asymmetric Ion Mobility Spectrometry, Semiconductor-Enriched Single-Walled Carbon Nanotube chemiresistors, Liquid Chromatography Tandem-mass Spectrometry, microfluidic-based artificial olfaction, and optical-based gas sensing.
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Liu T, Mukosera GT, Blood AB. The role of gasotransmitters in neonatal physiology. Nitric Oxide 2019; 95:29-44. [PMID: 31870965 DOI: 10.1016/j.niox.2019.12.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 11/07/2019] [Accepted: 12/17/2019] [Indexed: 12/12/2022]
Abstract
The gasotransmitters, nitric oxide (NO), hydrogen sulfide (H2S), and carbon monoxide (CO), are endogenously-produced volatile molecules that perform signaling functions throughout the body. In biological tissues, these small, lipid-permeable molecules exist in free gaseous form for only seconds or less, and thus they are ideal for paracrine signaling that can be controlled rapidly by changes in their rates of production or consumption. In addition, tissue concentrations of the gasotransmitters are influenced by fluctuations in the level of O2 and reactive oxygen species (ROS). The normal transition from fetus to newborn involves a several-fold increase in tissue O2 tensions and ROS, and requires rapid morphological and functional adaptations to the extrauterine environment. This review summarizes the role of gasotransmitters as it pertains to newborn physiology. Particular focus is given to the vasculature, ventilatory, and gastrointestinal systems, each of which uniquely illustrate the function of gasotransmitters in the birth transition and newborn periods. Moreover, given the relative lack of studies on the role that gasotransmitters play in the newborn, particularly that of H2S and CO, important gaps in knowledge are highlighted throughout the review.
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Affiliation(s)
- Taiming Liu
- Department of Pediatrics, Division of Neonatology, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA
| | - George T Mukosera
- Department of Pediatrics, Division of Neonatology, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA
| | - Arlin B Blood
- Department of Pediatrics, Division of Neonatology, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA; Lawrence D. Longo Center for Perinatal Biology, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA.
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17
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Xiao AY, Maynard MR, Piett CG, Nagel ZD, Alexander JS, Kevil CG, Berridge MV, Pattillo CB, Rosen LR, Miriyala S, Harrison L. Sodium sulfide selectively induces oxidative stress, DNA damage, and mitochondrial dysfunction and radiosensitizes glioblastoma (GBM) cells. Redox Biol 2019; 26:101220. [PMID: 31176262 PMCID: PMC6556549 DOI: 10.1016/j.redox.2019.101220] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 05/04/2019] [Accepted: 05/13/2019] [Indexed: 12/21/2022] Open
Abstract
Glioblastoma (GBM) has a poor prognosis despite intensive treatment with surgery and chemoradiotherapy. Previous studies using dose-escalated radiotherapy have demonstrated improved survival; however, increased rates of radionecrosis have limited its use. Development of radiosensitizers could improve patient outcome. In the present study, we report the use of sodium sulfide (Na2S), a hydrogen sulfide (H2S) donor, to selectively kill GBM cells (T98G and U87) while sparing normal human cerebral microvascular endothelial cells (hCMEC/D3). Na2S also decreased mitochondrial respiration, increased oxidative stress and induced γH2AX foci and oxidative base damage in GBM cells. Since Na2S did not significantly alter T98G capacity to perform non-homologous end-joining or base excision repair, it is possible that GBM cell killing could be attributed to increased damage induction due to enhanced reactive oxygen species production. Interestingly, Na2S enhanced mitochondrial respiration, produced a more reducing environment and did not induce high levels of DNA damage in hCMEC/D3. Taken together, this data suggests involvement of mitochondrial respiration in Na2S toxicity in GBM cells. The fact that survival of LN-18 GBM cells lacking mitochondrial DNA (ρ0) was not altered by Na2S whereas the survival of LN-18 ρ+ cells was compromised supports this conclusion. When cells were treated with Na2S and photon or proton radiation, GBM cell killing was enhanced, which opens the possibility of H2S being a radiosensitizer. Therefore, this study provides the first evidence that H2S donors could be used in GBM therapy to potentiate radiation-induced killing. Sodium sulfide selectively kills GBM cells by inducing DNA damage. Sodium sulfide induces mitochondrial dysfunction and oxidative stress in GBM cells. Toxicity to sodium sulfide is dependent on mitochondrial respiration. Sodium sulfide radiosensitizes GBM cells to photon and proton radiation.
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Affiliation(s)
- Adam Y Xiao
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, Shreveport, LA, 71130, USA
| | - Matthew R Maynard
- Radiation Oncology, Willis-Knighton Cancer Center, Shreveport, LA, 71103, USA
| | - Cortt G Piett
- Harvard University, School of Public Health, Boston, MA, 02115, USA
| | - Zachary D Nagel
- Harvard University, School of Public Health, Boston, MA, 02115, USA
| | - J Steven Alexander
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, Shreveport, LA, 71130, USA
| | - Christopher G Kevil
- Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA, 71130, USA
| | | | - Christopher B Pattillo
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, Shreveport, LA, 71130, USA
| | - Lane R Rosen
- Radiation Oncology, Willis-Knighton Cancer Center, Shreveport, LA, 71103, USA
| | - Sumitra Miriyala
- Department of Cell Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA, 71130, USA
| | - Lynn Harrison
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, Shreveport, LA, 71130, USA.
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Zhang R, Billingsley MM, Mitchell MJ. Biomaterials for vaccine-based cancer immunotherapy. J Control Release 2018; 292:256-276. [PMID: 30312721 PMCID: PMC6355332 DOI: 10.1016/j.jconrel.2018.10.008] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 10/06/2018] [Accepted: 10/08/2018] [Indexed: 12/28/2022]
Abstract
The development of therapeutic cancer vaccines as a means to generate immune reactivity against tumors has been explored since the early discovery of tumor-specific antigens by Georg Klein in the 1960s. However, challenges including weak immunogenicity, systemic toxicity, and off-target effects of cancer vaccines remain as barriers to their broad clinical translation. Advances in the design and implementation of biomaterials are now enabling enhanced efficacy and reduced toxicity of cancer vaccines by controlling the presentation and release of vaccine components to immune cells and their microenvironment. Here, we discuss the rational design and clinical status of several classes of cancer vaccines (including DNA, mRNA, peptide/protein, and cell-based vaccines) along with novel biomaterial-based delivery technologies that improve their safety and efficacy. Further, strategies for designing new platforms for personalized cancer vaccines are also considered.
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Affiliation(s)
- Rui Zhang
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Margaret M Billingsley
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Michael J Mitchell
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, United States; Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States.
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19
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Yuan S, Shen X, Kevil CG. Beyond a Gasotransmitter: Hydrogen Sulfide and Polysulfide in Cardiovascular Health and Immune Response. Antioxid Redox Signal 2017; 27:634-653. [PMID: 28398086 PMCID: PMC5576200 DOI: 10.1089/ars.2017.7096] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
SIGNIFICANCE Hydrogen sulfide (H2S) metabolism leads to the formation of oxidized sulfide species, including polysulfide, persulfide, and others. Evidence is emerging that many biological effects of H2S may indeed be due to polysulfide and persulfide activation of signaling pathways and reactivity with discrete small molecules. Recent Advances: Exogenous oxidized sulfide species, including polysulfides, are more reactive than H2S with a wide range of molecules. Importantly, endogenous polysulfide and persulfide formation has been reported to occur via transsulfuration enzymes, cystathionine γ-lyase (CSE) and cystathionine β-synthase (CBS). CRITICAL ISSUES In light of the recent understanding of oxidized sulfide metabolite formation and reactivity, comparatively few studies have been reported comparing cellular biological and in vivo effects of H2S donors versus polysulfide and persulfide donors. Likewise, it is equally unclear when, how, and to what extent persulfide and polysulfide formation occurs in vivo under pathophysiological conditions. FUTURE DIRECTIONS Additional studies regarding persulfide and polysulfide formation and molecular reactions are needed in nearly all aspects of biology to better understand how sulfide metabolites contribute to key chemical biology reactions involved in cardiovascular health and immune responses. Antioxid. Redox Signal. 27, 634-653.
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Affiliation(s)
- Shuai Yuan
- 1 Department of Cell Biology and Anatomy, LSU Health Sciences Center Shreveport , Shreveport, Louisiana
| | - Xinggui Shen
- 2 Department of Pathology and Translational Pathobiology, LSU Health Sciences Center Shreveport , Shreveport, Louisiana
| | - Christopher G Kevil
- 2 Department of Pathology and Translational Pathobiology, LSU Health Sciences Center Shreveport , Shreveport, Louisiana
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Misak A, Grman M, Bacova Z, Rezuchova I, Hudecova S, Ondriasova E, Krizanova O, Brezova V, Chovanec M, Ondrias K. Polysulfides and products of H 2S/S-nitrosoglutathione in comparison to H 2S, glutathione and antioxidant Trolox are potent scavengers of superoxide anion radical and produce hydroxyl radical by decomposition of H 2O 2. Nitric Oxide 2017; 76:136-151. [PMID: 28951200 DOI: 10.1016/j.niox.2017.09.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 09/20/2017] [Accepted: 09/20/2017] [Indexed: 01/20/2023]
Abstract
Exogenous and endogenously produced sulfide derivatives, such as H2S/HS-/S2-, polysulfides and products of the H2S/S-nitrosoglutathione interaction (S/GSNO), affect numerous biological processes in which superoxide anion (O2-) and hydroxyl (OH) radicals play an important role. Their cytoprotective-antioxidant and contrasting pro-oxidant-toxic effects have been reported. Therefore, the aim of our work was to contribute to resolving this apparent inconsistency by studying sulfide derivatives/free radical interactions and their consequent biological effects compared to the antioxidants glutathione (GSH) and Trolox. Using the electron paramagnetic resonance (EPR) spin trapping technique and O2-, we found that a polysulfide (Na2S4) and S/GSNO were potent scavengers of O2- and cPTIO radicals compared to H2S (Na2S), GSH and Trolox, and S/GSNO scavenged the DEPMPO-OH radical. As detected by the EPR spectra of DEPMPO-OH, the formation of OH in physiological solution by S/GSNO was suggested. All the studied sulfide derivatives, but not Trolox or GSH, had a bell-shaped potency to decompose H2O2 and produced OH in the following order: S/GSNO > Na2S4 ≥ Na2S > GSH = Trolox = 0, but they scavenged OH at higher concentrations. In studies of the biological consequences of these sulfide derivatives/H2O2 properties, we found the following: (i) S/GSNO alone and all sulfide derivatives in the presence of H2O2 cleaved plasmid DNA; (ii) S/GSNO interfered with viral replication and consequently decreased the infectivity of viruses; (iii) the sulfide derivatives induced apoptosis in A2780 cells but inhibited apoptosis induced by H2O2; and (iv) Na2S4 modulated intracellular calcium in A87MG cells, which depended on the order of Na2S4/H2O2 application. We suggest that the apparent inconsistency of the cytoprotective-antioxidant and contrasting pro-oxidant-toxic biological effects of sulfide derivatives results from their time- and concentration-dependent radical production/scavenging properties and their interactions with O2-, OH and H2O2. The results imply a direct involvement of sulfide derivatives in O2- and H2O2/OH free radical pathways modulating antioxidant/toxic biological processes.
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Affiliation(s)
- Anton Misak
- Institute of Clinical and Translational Research, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Marian Grman
- Institute of Clinical and Translational Research, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Zuzana Bacova
- Institute of Experimental Endocrinology, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Ingeborg Rezuchova
- Institute of Virology, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Sona Hudecova
- Institute of Clinical and Translational Research, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Elena Ondriasova
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Comenius University, Bratislava, Slovak Republic
| | - Olga Krizanova
- Institute of Clinical and Translational Research, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Vlasta Brezova
- Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, Slovak Republic
| | - Miroslav Chovanec
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Karol Ondrias
- Institute of Clinical and Translational Research, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovak Republic.
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Klatt JM, de Beer D, Häusler S, Polerecky L. Cyanobacteria in Sulfidic Spring Microbial Mats Can Perform Oxygenic and Anoxygenic Photosynthesis Simultaneously during an Entire Diurnal Period. Front Microbiol 2016; 7:1973. [PMID: 28018309 PMCID: PMC5156726 DOI: 10.3389/fmicb.2016.01973] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 11/24/2016] [Indexed: 12/04/2022] Open
Abstract
We used microsensors to study the regulation of anoxygenic and oxygenic photosynthesis (AP and OP, respectively) by light and sulfide in a cyanobacterium dominating microbial mats from cold sulfidic springs. Both photosynthetic modes were performed simultaneously over all H2S concentrations (1–2200 μM) and irradiances (4–52 μmol photons m-2 s-1) tested. AP increased with H2S concentration while the sum of oxygenic and anoxygenic photosynthetic rates was constant at each light intensity. Thus, the total photosynthetically driven electron transport rate was solely controlled by the irradiance level. The partitioning between the rates of these two photosynthetic modes was regulated by both light and H2S concentration. The plastoquinone pool (PQ) receives electrons from sulfide:quinone:reductase (SQR) in AP and from photosystem II (PSII) in OP. It is thus the link in the electron transport chain where both pathways intersect, and the compound that controls their partitioning. We fitted our data with a model of the photosynthetic electron transport that includes the kinetics of plastoquinone reduction and oxidation. The model results confirmed that the observed partitioning between photosynthetic modes can be explained by a simple kinetic control based on the affinity of SQR and PSII toward PQ. The SQR enzyme and PSII have similar affinities toward PQ, which explains the concurrent OP and AP over an astonishingly wide range of H2S concentrations and irradiances. The elegant kinetic control of activity makes the cyanobacterium successful in the fluctuating spring environment. We discuss how these specific regulation mechanisms may have played a role in ancient H2S-rich oceans.
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Affiliation(s)
- Judith M Klatt
- Microsensor Group, Max-Planck-Institute for Marine MicrobiologyBremen, Germany; Geomicrobiology Lab, Department of Earth and Environmental Sciences, University of Michigan, Ann ArborMI, USA
| | - Dirk de Beer
- Microsensor Group, Max-Planck-Institute for Marine Microbiology Bremen, Germany
| | - Stefan Häusler
- Microsensor Group, Max-Planck-Institute for Marine Microbiology Bremen, Germany
| | - Lubos Polerecky
- Microsensor Group, Max-Planck-Institute for Marine MicrobiologyBremen, Germany; Department of Earth Sciences - Geochemistry, Faculty of Geosciences, Utrecht UniversityUtrecht, Netherlands
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Viswanatharaju Ruddraraju K, Parsons ZD, Lewis CD, Gates KS. Allylation and Alkylation of Biologically Relevant Nucleophiles by Diallyl Sulfides. J Org Chem 2016; 82:776-780. [DOI: 10.1021/acs.joc.6b02517] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
| | - Zachary D. Parsons
- Department
of Chemistry, University of Missouri, 125 Chemistry Building, Missouri 65211, United States
| | - Calvin D. Lewis
- Department
of Chemistry, University of Missouri, 125 Chemistry Building, Missouri 65211, United States
| | - Kent S. Gates
- Department
of Chemistry, University of Missouri, 125 Chemistry Building, Missouri 65211, United States
- Department
of Biochemistry, University of Missouri, 125 Chemistry Building, Columbia, Missouri 65211, United States
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El Sayed S, Milani M, Milanese C, Licchelli M, Martínez-Máñez R, Sancenón F. Anions as Triggers in Controlled Release Protocols from Mesoporous Silica Nanoparticles Functionalized with Macrocyclic Copper(II) Complexes. Chemistry 2016; 22:13935-13945. [DOI: 10.1002/chem.201601024] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Indexed: 12/24/2022]
Affiliation(s)
- Sameh El Sayed
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM); Unidad Mixta Universidad Politécnica de Valencia-Universidad de Valencia; Spain
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- CIBER de Bioingeniería; Biomateriales y Nanomedicina (CIBER-BBN)
- Dipartimento di Chimica; Università di Pavia; via Taramelli 12 27100 Pavia Italy
| | - Michele Milani
- Dipartimento di Chimica; Università di Pavia; via Taramelli 12 27100 Pavia Italy
| | - Chiara Milanese
- Dipartimento di Chimica; Università di Pavia; via Taramelli 12 27100 Pavia Italy
| | - Maurizio Licchelli
- Dipartimento di Chimica; Università di Pavia; via Taramelli 12 27100 Pavia Italy
| | - Ramón Martínez-Máñez
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM); Unidad Mixta Universidad Politécnica de Valencia-Universidad de Valencia; Spain
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- CIBER de Bioingeniería; Biomateriales y Nanomedicina (CIBER-BBN)
| | - Félix Sancenón
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM); Unidad Mixta Universidad Politécnica de Valencia-Universidad de Valencia; Spain
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- CIBER de Bioingeniería; Biomateriales y Nanomedicina (CIBER-BBN)
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Jiang J, Chan A, Ali S, Saha A, Haushalter KJ, Lam WLM, Glasheen M, Parker J, Brenner M, Mahon SB, Patel HH, Ambasudhan R, Lipton SA, Pilz RB, Boss GR. Hydrogen Sulfide--Mechanisms of Toxicity and Development of an Antidote. Sci Rep 2016; 6:20831. [PMID: 26877209 PMCID: PMC4753484 DOI: 10.1038/srep20831] [Citation(s) in RCA: 132] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 01/08/2016] [Indexed: 12/22/2022] Open
Abstract
Hydrogen sulfide is a highly toxic gas—second only to carbon monoxide as a cause of inhalational deaths. Its mechanism of toxicity is only partially known, and no specific therapy exists for sulfide poisoning. We show in several cell types, including human inducible pluripotent stem cell (hiPSC)-derived neurons, that sulfide inhibited complex IV of the mitochondrial respiratory chain and induced apoptosis. Sulfide increased hydroxyl radical production in isolated mouse heart mitochondria and F2-isoprostanes in brains and hearts of mice. The vitamin B12 analog cobinamide reversed the cellular toxicity of sulfide, and rescued Drosophila melanogaster and mice from lethal exposures of hydrogen sulfide gas. Cobinamide worked through two distinct mechanisms: direct reversal of complex IV inhibition and neutralization of sulfide-generated reactive oxygen species. We conclude that sulfide produces a high degree of oxidative stress in cells and tissues, and that cobinamide has promise as a first specific treatment for sulfide poisoning.
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Affiliation(s)
- Jingjing Jiang
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Adriano Chan
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Sameh Ali
- Department of Anesthesiology, University of California San Diego, La Jolla, California, USA.,VA San Diego Healthcare System, San Diego, California, USA.,Center for Aging and Associated Diseases, Helmy Institute of Medical Sciences, Zewail City of Science and Technology, Giza, Egypt
| | - Arindam Saha
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Kristofer J Haushalter
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, California, USA
| | - Wai-Ling Macrina Lam
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Megan Glasheen
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - James Parker
- Neurodegenerative Disease Center, The Scintillon Institute, San Diego, California, USA
| | - Matthew Brenner
- Beckman Laser Institute, University of California Irvine, Irvine, California, USA
| | - Sari B Mahon
- Beckman Laser Institute, University of California Irvine, Irvine, California, USA
| | - Hemal H Patel
- Department of Anesthesiology, University of California San Diego, La Jolla, California, USA.,VA San Diego Healthcare System, San Diego, California, USA
| | - Rajesh Ambasudhan
- Neurodegenerative Disease Center, The Scintillon Institute, San Diego, California, USA
| | - Stuart A Lipton
- Neurodegenerative Disease Center, The Scintillon Institute, San Diego, California, USA.,Department of Neurosciences, University of California San Diego, La Jolla, California, USA
| | - Renate B Pilz
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Gerry R Boss
- Department of Medicine, University of California San Diego, La Jolla, California, USA
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25
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Evison BJ, Actis ML, Fujii N. A clickable psoralen to directly quantify DNA interstrand crosslinking and repair. Bioorg Med Chem 2016; 24:1071-8. [PMID: 26833244 DOI: 10.1016/j.bmc.2016.01.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/06/2016] [Accepted: 01/17/2016] [Indexed: 11/26/2022]
Abstract
DNA interstrand crosslinks (ICLs) represent physical obstacles to advancing replication forks and transcription complexes. A range of ICL-inducing agents have successfully been incorporated into cancer therapeutics. While studies have adopted UVA-activated psoralens as model ICL-inducing agents for investigating ICL repair, direct detection of the lesion has often been tempered by tagging the psoralen scaffold with a relatively large reporter group that may perturb the biological activity of the parent psoralen. Here a minimally-modified psoralen probe was prepared featuring a small alkyne handle suitable for click chemistry. The psoralen probe, designated 8-propargyloxypsoralen (8-POP), can be activated by UVA in vitro to generate ICLs that are susceptible to post-labeling with an azide-tagged fluorescent reporter via a copper-catalyzed reaction. A modified alkaline comet assay demonstrated that UVA-activated 8-POP proficiently generated ICLs in cells. Cellular 8-POP-DNA lesions were amenable to click-mediated ligation to fluorescent reporters in situ, which permitted their detection and quantitation by fluorescence microscopy and flow cytometry. Small molecule DNA repair inhibitors to 8-POP-treated cells attenuated the removal of 8-POP-DNA lesions, validating 8-POP as an appropriate probe for investigating cellular ICL repair. The post-labeling strategy applied in this study is inexpensive, rapid and highly modular in nature with the potential for multiple applications in DNA repair studies.
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Affiliation(s)
- Benjamin J Evison
- Department of Chemical Biology and Therapeutics, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Marcelo L Actis
- Department of Chemical Biology and Therapeutics, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Naoaki Fujii
- Department of Chemical Biology and Therapeutics, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA.
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26
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Guo Z, Chen G, Zeng G, Li Z, Chen A, Wang J, Jiang L. Fluorescence chemosensors for hydrogen sulfide detection in biological systems. Analyst 2015; 140:1772-86. [PMID: 25529122 DOI: 10.1039/c4an01909a] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A comprehensive review of the development of H2S fluorescence-sensing strategies, including sensors based on chemical reactions and fluorescence resonance energy transfer (FRET), is presented. The advantages and disadvantages of fluorescence-sensing strategies are compared with those of traditional methods. Fluorescence chemosensors, especially those used in FRET sensing, are highly promising because of their low cost, technical simplicity, and their use in real-time sulfide imaging in living cells. Potential applications based on sulfate reduction to H2S, the relationship between sulfate-reducing bacteria activity and H2S yield, and real-time detection of sulfate-reducing bacteria activity using fluorescence sensors are described. The current challenges, such as low sensitivity and poor stability, are discussed.
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Affiliation(s)
- Zhi Guo
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, P.R. China.
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Yang X, Du J, Li Y. A cost-efficient and portable sulfide device with in situ integrating gas-permeable porous tube isolation and long path absorbance detection. Talanta 2015; 141:207-11. [DOI: 10.1016/j.talanta.2015.04.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2015] [Revised: 03/25/2015] [Accepted: 04/02/2015] [Indexed: 01/17/2023]
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Terzić V, Padovani D, Balland V, Artaud I, Galardon E. Electrophilic sulfhydration of 8-nitro-cGMP involves sulfane sulfur. Org Biomol Chem 2015; 12:5360-4. [PMID: 24955554 DOI: 10.1039/c4ob00868e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The formation of 8-SH-cGMP from the reaction between hydrogen sulfide and 8-nitro-guanosine-3',5'-cyclic monophosphate in the presence of thiols does not take place by nucleophilic attack of the hydrosulfide anion, as previously proposed, but first involves the formation of reactive species containing sulfane sulfur, like persulfides.
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Affiliation(s)
- V Terzić
- UMR 8601, LCBPT, CNRS-Université Paris Descartes, Sorbonne Paris Cité, 45 rue des Sts Pères, 75006 Paris, France.
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El Sayed S, de la Torre C, Santos-Figueroa LE, Martínez-Máñez R, Sancenón F, Orzáez M, Costero AM, Parra M, Gil S. 2,4-dinitrophenyl ether-containing chemodosimeters for the selective and sensitive ‘in vitro’ and ‘in vivo’ detection of hydrogen sulfide. Supramol Chem 2014. [DOI: 10.1080/10610278.2014.977286] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Sameh El Sayed
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València, Universitat de València
- Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022Valencia, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Cristina de la Torre
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València, Universitat de València
- Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022Valencia, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Luis E. Santos-Figueroa
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València, Universitat de València
- Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022Valencia, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Ramón Martínez-Máñez
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València, Universitat de València
- Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022Valencia, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Félix Sancenón
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València, Universitat de València
- Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022Valencia, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Mar Orzáez
- Laboratorio de Péptidos y Proteinas, Centro de Investigación Príncipe Felipe, Autopista El Saler, Valencia, Spain
| | - Ana M. Costero
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València, Universitat de València
- Departamento de Química Orgánica, Universitat de València, Dr. Moliner 50, 46100 Burjassot, Valencia, Spain
| | - Margarita Parra
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València, Universitat de València
- Departamento de Química Orgánica, Universitat de València, Dr. Moliner 50, 46100 Burjassot, Valencia, Spain
| | - Salvador Gil
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València, Universitat de València
- Departamento de Química Orgánica, Universitat de València, Dr. Moliner 50, 46100 Burjassot, Valencia, Spain
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30
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Toohey JI, Cooper AJL. Thiosulfoxide (sulfane) sulfur: new chemistry and new regulatory roles in biology. Molecules 2014; 19:12789-813. [PMID: 25153879 PMCID: PMC4170951 DOI: 10.3390/molecules190812789] [Citation(s) in RCA: 116] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Revised: 08/11/2014] [Accepted: 08/12/2014] [Indexed: 11/24/2022] Open
Abstract
The understanding of sulfur bonding is undergoing change. Old theories on hypervalency of sulfur and the nature of the chalcogen-chalcogen bond are now questioned. At the same time, there is a rapidly expanding literature on the effects of sulfur in regulating biological systems. The two fields are inter-related because the new understanding of the thiosulfoxide bond helps to explain the newfound roles of sulfur in biology. This review examines the nature of thiosulfoxide (sulfane, S0) sulfur, the history of its regulatory role, its generation in biological systems, and its functions in cells. The functions include synthesis of cofactors (molybdenum cofactor, iron-sulfur clusters), sulfuration of tRNA, modulation of enzyme activities, and regulating the redox environment by several mechanisms (including the enhancement of the reductive capacity of glutathione). A brief review of the analogous form of selenium suggests that the toxicity of selenium may be due to over-reduction caused by the powerful reductive activity of glutathione perselenide.
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Affiliation(s)
| | - Arthur J L Cooper
- Department of Biochemistry and Molecular Biology, New York Medical College, Valhalla, NY 10595, USA.
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31
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Huang WT, Zhang JR, Xie WY, Shi Y, Luo HQ, Li NB. Fuzzy logic sensing of G-quadruplex DNA and its cleavage reagents based on reduced graphene oxide. Biosens Bioelectron 2014; 57:117-24. [DOI: 10.1016/j.bios.2014.01.055] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Revised: 01/27/2014] [Accepted: 01/28/2014] [Indexed: 12/11/2022]
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Santos-Figueroa LE, de laTorre C, El Sayed S, Sancenón F, Martínez-Máñez R, Costero AM, Gil S, Parra M. A Chemosensor Bearing Sulfonyl Azide Moieties for Selective Chromo-Fluorogenic Hydrogen Sulfide Recognition in Aqueous Media and in Living Cells. European J Org Chem 2014. [DOI: 10.1002/ejoc.201301514] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Santos-Figueroa LE, de la Torre C, El Sayed S, Sancenón F, Martínez-Máñez R, Costero AM, Gil S, Parra M. Highly Selective Fluorescence Detection of Hydrogen Sulfide by Using an Anthracene-Functionalized Cyclam-CuIIComplex. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201301306] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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P39 Protoporphyrin modification by biological thiols and hydrogen sulfide. Nitric Oxide 2013. [DOI: 10.1016/j.niox.2013.06.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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35
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Hourihan JM, Kenna JG, Hayes JD. The gasotransmitter hydrogen sulfide induces nrf2-target genes by inactivating the keap1 ubiquitin ligase substrate adaptor through formation of a disulfide bond between cys-226 and cys-613. Antioxid Redox Signal 2013; 19:465-81. [PMID: 23145493 DOI: 10.1089/ars.2012.4944] [Citation(s) in RCA: 176] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AIMS The signaling molecule hydrogen sulfide (H2S) protects cells against oxidative stress and activates NF-E2 p45-related factor 2 (Nrf2), a transcription factor that regulates antioxidant genes. We sought to establish whether H2S requires Nrf2 to protect against oxidative stress, and whether activation of Nrf2 by H2S involves antagonism of Kelch-like ECH-associated protein-1 (Keap1), a redox-sensitive ubiquitin ligase substrate adaptor that represses Nrf2 under normal homeostatic conditions. RESULTS H2S stabilizes Nrf2 protein and induces Nrf2-target genes via an antioxidant-/electrophile-response element. In mouse embryonic fibroblasts, the ability of H2S to protect against cell death caused by the redox-cycling agent menadione is dependent on Nrf2. Moreover, Nrf2 regulates murine genes involved in the production of H2S (Cystathionine-beta-synthase [Cbs] and Cystathionine-gamma-lyase [Cse]) and the degradation of H2S (Sulfide:quinone reductase-like [yeast] [Sqrdl]). We found that H2S stabilizes Nrf2 through inhibition of Keap1, an event that requires covalent modification of amino acids C226 and C613 in the substrate adaptor. Upregulation of Nrf2 by H2S partially involves the production of H2O2, which inhibits Keap1 by stimulating the formation of an intramolecular disulfide bond between C226 and C613. The Keap1 C226 and C613 residues are also S-sulfhydrated by H2S, and this may entail reduction of the C226-C613 disulfide bridge formed by H2O2. INNOVATION Upregulation of Nrf2 by H2S and H2O2 involves inactivation of Keap1 through modification of C226 and C613. CONCLUSION Inhibition of Keap1 by H2S leads to Nrf2-mediated induction of cytoprotective genes. Nrf2 controls Cbs, Cse, and Sqrdl, suggesting that a feedback loop exists between Nrf2 and H2S.
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Affiliation(s)
- John M Hourihan
- Jacqui Wood Cancer Centre, Division of Cancer Research, Ninewells Hospital and Medical School, University of Dundee , Dundee, Scotland, United Kingdom
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36
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Li Q, Lancaster JR. Chemical foundations of hydrogen sulfide biology. Nitric Oxide 2013; 35:21-34. [PMID: 23850631 DOI: 10.1016/j.niox.2013.07.001] [Citation(s) in RCA: 204] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 06/22/2013] [Accepted: 07/02/2013] [Indexed: 12/16/2022]
Abstract
Following nitric oxide (nitrogen monoxide) and carbon monoxide, hydrogen sulfide (or its newer systematic name sulfane, H2S) became the third small molecule that can be both toxic and beneficial depending on the concentration. In spite of its impressive therapeutic potential, the underlying mechanisms for its beneficial effects remain unclear. Any novel mechanism has to obey fundamental chemical principles. H2S chemistry was studied long before its biological relevance was discovered, however, with a few exceptions, these past works have received relatively little attention in the path of exploring the mechanistic conundrum of H2S biological functions. This review calls attention to the basic physical and chemical properties of H2S, focuses on the chemistry between H2S and its three potential biological targets: oxidants, metals and thiol derivatives, discusses the applications of these basics into H2S biology and methodology, and introduces the standard terminology to this youthful field.
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Affiliation(s)
- Qian Li
- Department of Anesthesiology, University of Alabama at Birmingham, United States; Center for Free Radical Biology, University of Alabama at Birmingham, United States.
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Nagy P, Pálinkás Z, Nagy A, Budai B, Tóth I, Vasas A. Chemical aspects of hydrogen sulfide measurements in physiological samples. Biochim Biophys Acta Gen Subj 2013; 1840:876-91. [PMID: 23769856 DOI: 10.1016/j.bbagen.2013.05.037] [Citation(s) in RCA: 195] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 05/23/2013] [Accepted: 05/26/2013] [Indexed: 12/15/2022]
Abstract
BACKGROUND Owing to recent discoveries of many hydrogen sulfide-mediated physiological processes, sulfide biology is in the focus of scientific research. However, the promiscuous chemical properties of sulfide pose complications for biological studies, which led to accumulation of controversial observations in the literature. SCOPE OF REVIEW We intend to provide an overview of fundamental thermodynamic and kinetic features of sulfide redox- and coordination-chemical reactions and protonation equilibria in relation to its biological functions. In light of these chemical properties we review the strengths and limitations of the most commonly used sulfide detection methods and recently developed fluorescent probes. We also give a personal perspective on blood and tissue sulfide measurements based on proposed biomolecule-sulfide interactions and point out important chemical aspects of handling sulfide reagent solutions. MAJOR CONCLUSIONS The diverse chemistries of sulfide detection methods resulted in orders of magnitude differences in measured physiological sulfide levels. Investigations that were aimed to dissect the underlying molecular reasons responsible for these controversies made the important recognition that there are large sulfide reserves in biological systems. These sulfide pools are tightly regulated in a dynamic manner and they are likely to play a major role in regulation of endogenous-sulfide-mediated biological functions and avoiding toxic side effects. GENERAL SIGNIFICANCE Working with sulfide is challenging, because it requires considerable amounts of chemical knowledge to adequately handle reagent sulfide solutions and interpret biological observations. Therefore, we propose that a rigorous chemical approach could aid the reconciliation of the increasing number of controversies in sulfide biology. This article is part of a Special Issue entitled Current methods to study reactive oxygen species - pros and cons and biophysics of membrane proteins. Guest Editor: Christine Winterbourn.
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Affiliation(s)
- Péter Nagy
- Department of Molecular Immunology and Toxicology, National Institute of Oncology, Ráth György utca 7-9, Budapest 1122, Hungary.
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El Sayed S, Torre CDL, Santos-Figueroa LE, Pérez-Payá E, Martínez-Máñez R, Sancenón F, Costero AM, Parra M, Gil S. A new fluorescent “turn-on” chemodosimeter for the detection of hydrogen sulfide in water and living cells. RSC Adv 2013. [DOI: 10.1039/c3ra45822a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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