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Nishimura A, Tang X, Zhou L, Ito T, Kato Y, Nishida M. Sulfur metabolism as a new therapeutic target of heart failure. J Pharmacol Sci 2024; 155:75-83. [PMID: 38797536 DOI: 10.1016/j.jphs.2024.04.005] [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: 03/22/2024] [Revised: 04/07/2024] [Accepted: 04/21/2024] [Indexed: 05/29/2024] Open
Abstract
Sulfur-based redox signaling has long attracted attention as critical mechanisms underlying the development of cardiac diseases and resultant heart failure. Especially, post-translational modifications of cysteine (Cys) thiols in proteins mediate oxidative stress-dependent cardiac remodeling including myocardial hypertrophy, senescence, and interstitial fibrosis. However, we recently revealed the existence of Cys persulfides and Cys polysulfides in cells and tissues, which show higher redox activities than Cys and substantially contribute to redox signaling and energy metabolism. We have established simple evaluation methods that can detect polysulfides in proteins and inorganic polysulfides in cells and revealed that polysulfides abundantly expressed in normal hearts are dramatically catabolized by exposure to ischemic/hypoxic and environmental electrophilic stress, which causes vulnerability of the heart to mechanical load. Accumulation of hydrogen sulfide, a nucleophilic catabolite of persulfides/polysulfides, may lead to reductive stress in ischemic hearts, and perturbation of polysulfide catabolism can improve chronic heart failure after myocardial infarction in mice. This review focuses on the (patho)physiological role of sulfur metabolism in hearts, and proposes that sulfur catabolism during ischemic/hypoxic stress has great potential as a new therapeutic strategy for the treatment of ischemic heart failure.
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Affiliation(s)
- Akiyuki Nishimura
- National Institute for Physiological Sciences, National Institutes of Natural Sciences (NINS), Okazaki, 444-8787, Japan; Exploratory Research Center on Life and Living Systems, NINS, Okazaki, 444-8787, Japan; SOKENDAI (The Graduate University for Advanced Studies), Okazaki, 444-8787, Japan.
| | - Xiaokang Tang
- National Institute for Physiological Sciences, National Institutes of Natural Sciences (NINS), Okazaki, 444-8787, Japan; Exploratory Research Center on Life and Living Systems, NINS, Okazaki, 444-8787, Japan; SOKENDAI (The Graduate University for Advanced Studies), Okazaki, 444-8787, Japan
| | - Liuchenzi Zhou
- National Institute for Physiological Sciences, National Institutes of Natural Sciences (NINS), Okazaki, 444-8787, Japan; Exploratory Research Center on Life and Living Systems, NINS, Okazaki, 444-8787, Japan; SOKENDAI (The Graduate University for Advanced Studies), Okazaki, 444-8787, Japan
| | - Tomoya Ito
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Yuri Kato
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Motohiro Nishida
- National Institute for Physiological Sciences, National Institutes of Natural Sciences (NINS), Okazaki, 444-8787, Japan; Exploratory Research Center on Life and Living Systems, NINS, Okazaki, 444-8787, Japan; SOKENDAI (The Graduate University for Advanced Studies), Okazaki, 444-8787, Japan; Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, 812-8582, Japan.
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Knoke LR, Leichert LI. Global approaches for protein thiol redox state detection. Curr Opin Chem Biol 2023; 77:102390. [PMID: 37797572 DOI: 10.1016/j.cbpa.2023.102390] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 08/14/2023] [Accepted: 08/31/2023] [Indexed: 10/07/2023]
Abstract
Due to its nucleophilicity, the thiol group of cysteine is chemically very versatile. Hence, cysteine often has important functions in a protein, be it as the active site or, in extracellular proteins, as part of a structural disulfide. Within the cytosol, cysteines are typically reduced. But the nucleophilicity of its thiol group makes it also particularly prone to post-translational oxidative modifications. These modifications often lead to an alteration of the function of the affected protein and are reversible in vivo, e.g. by the thioredoxin and glutaredoxin system. The in vivo-reversible nature of these modifications and their genesis in the presence of localized high oxidant levels led to the paradigm of thiol-based redox regulation, the adaptation, and modulation of the cellular metabolism in response to oxidative stimuli by thiol oxidation in regulative proteins. Consequently, the proteomic study of these oxidative posttranslational modifications of cysteine plays an indispensable role in redox biology.
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Affiliation(s)
- Lisa R Knoke
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry, Microbial Biochemistry, Universitätsstrasse 150, 44780 Bochum, Germany
| | - Lars I Leichert
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry, Microbial Biochemistry, Universitätsstrasse 150, 44780 Bochum, Germany.
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Organelle-Targeted Fluorescent Probes for Sulfane Sulfur Species. Antioxidants (Basel) 2023; 12:antiox12030590. [PMID: 36978838 PMCID: PMC10045342 DOI: 10.3390/antiox12030590] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/19/2023] [Accepted: 02/22/2023] [Indexed: 03/02/2023] Open
Abstract
Sulfane sulfurs, which include hydropersulfides (RSSH), hydrogen polysulfides (H2Sn, n > 1), and polysulfides (RSnR, n > 2), play important roles in cellular redox biology and are closely linked to hydrogen sulfide (H2S) signaling. While most studies on sulfane sulfur detection have focused on sulfane sulfurs in the whole cell, increasing the recognition of the effects of reactive sulfur species on the functions of various subcellular organelles has emerged. This has driven a need for organelle-targeted detection methods. However, the detection of sulfane sulfurs, particularly of RSSH and H2Sn, in biological systems is still a challenge due to their low endogenous concentrations and instabilities. In this review, we summarize the development and design of organelle-targeted fluorescent sulfane sulfur probes, examine their organelle-targeting strategies and choices of fluorophores (e.g., ratiometric, near-infrared, etc.), and discuss their mechanisms and ability to detect endogenous and exogenous sulfane sulfur species. We also present the advantages and limitations of the probes and propose directions for future work on this topic.
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Szabo C. Novel Regulatory Roles of Hydrogen Sulfide in Health and Disease. Biomolecules 2022; 12:biom12101372. [PMID: 36291581 PMCID: PMC9599174 DOI: 10.3390/biom12101372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
Affiliation(s)
- Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, CH-1700 Fribourg, Switzerland
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Shieh M, Ni X, Xu S, Lindahl SP, Yang M, Matsunaga T, Flaumenhaft R, Akaike T, Xian M. Shining a light on SSP4: A comprehensive analysis and biological applications for the detection of sulfane sulfurs. Redox Biol 2022; 56:102433. [PMID: 35987086 PMCID: PMC9411671 DOI: 10.1016/j.redox.2022.102433] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/02/2022] [Accepted: 08/04/2022] [Indexed: 11/29/2022] Open
Abstract
Fluorescent probes are useful tools for the detection of sulfane sulfurs in biological systems. In this work, we report the development of SSP4, a widely used probe generated in our laboratory. We describe its evolution, preparation, and physical/chemical properties. Fluorescence analyses of SSP4 determined its high selectivity and sensitivity to sulfane sulfurs, even with the interfering presence of other species, such as amino acids and metal ions. Protocols for using SSP4 in a relatively quick and simple manner for the detection of persulfidated proteins, including papain, BSA, and GAPDH were developed. The method was then applied to human protein disulfide isomerase (PDI), leading to the discovery that persulfidation can occur at PDI's non-active site cysteines, and that PDI reductase activity is affected by sulfane sulfur treatment. Protocols for using SSP4 for the bioimaging of exogenous and endogenous sulfane sulfurs in different -cell lines were also established. These results should guide further applications of SSP4.
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Affiliation(s)
- Meg Shieh
- Department of Chemistry, Brown University, Providence, RI, 02912, USA
| | - Xiang Ni
- Department of Chemistry, Brown University, Providence, RI, 02912, USA
| | - Shi Xu
- Department of Chemistry, Brown University, Providence, RI, 02912, USA
| | - Stephen P Lindahl
- Department of Chemistry, Brown University, Providence, RI, 02912, USA
| | - Moua Yang
- Division of Hemostasis and Thrombosis, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02115, USA
| | - Tetsuro Matsunaga
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan
| | - Robert Flaumenhaft
- Division of Hemostasis and Thrombosis, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02115, USA
| | - Takaaki Akaike
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan
| | - Ming Xian
- Department of Chemistry, Brown University, Providence, RI, 02912, USA.
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