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Lau N, Pluth MD. Reactive sulfur species (RSS): persulfides, polysulfides, potential, and problems. Curr Opin Chem Biol 2019; 49:1-8. [DOI: 10.1016/j.cbpa.2018.08.012] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 08/14/2018] [Accepted: 08/22/2018] [Indexed: 10/28/2022]
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102
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Buondonno I, Gazzano E, Tavanti E, Chegaev K, Kopecka J, Fanelli M, Rolando B, Fruttero R, Gasco A, Hattinger C, Serra M, Riganti C. Endoplasmic reticulum-targeting doxorubicin: a new tool effective against doxorubicin-resistant osteosarcoma. Cell Mol Life Sci 2019; 76:609-625. [PMID: 30430199 PMCID: PMC11105372 DOI: 10.1007/s00018-018-2967-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 09/26/2018] [Accepted: 11/05/2018] [Indexed: 12/29/2022]
Abstract
Doxorubicin is one of the most effective drugs for the first-line treatment of high-grade osteosarcoma. Several studies have demonstrated that the major cause for doxorubicin resistance in osteosarcoma is the increased expression of the drug efflux transporter ABCB1/P-glycoprotein (Pgp). We recently identified a library of H2S-releasing doxorubicins (Sdox) that were more effective than doxorubicin against resistant osteosarcoma cells. Here we investigated the molecular mechanisms of the higher efficacy of Sdox in human osteosarcoma cells with increasing resistance to doxorubicin. Differently from doxorubicin, Sdox preferentially accumulated within the endoplasmic reticulum (ER), and its accumulation was only modestly reduced in Pgp-expressing osteosarcoma cells. The increase in doxorubicin resistance was paralleled by the progressive down-regulation of genes of ER-associated protein degradation/ER-quality control (ERAD/ERQC), two processes that remove misfolded proteins and protect cell from ER stress-triggered apoptosis. Sdox, that sulfhydrated ER-associated proteins and promoted their subsequent ubiquitination, up-regulated ERAD/ERQC genes. This up-regulation, however, was insufficient to protect cells, since Sdox activated ER stress-dependent apoptotic pathways, e.g., the C/EBP-β LIP/CHOP/PUMA/caspases 12-7-3 axis. Sdox also promoted the sulfhydration of Pgp that was subsequently ubiquitinated: this process further enhanced Sdox retention and toxicity in resistant cells. Our work suggests that Sdox overcomes doxorubicin resistance in osteosarcoma cells by at least two mechanisms: it induces the degradation of Pgp following its sulfhydration and produces a huge misfolding of ER-associated proteins, triggering ER-dependent apoptosis. Sdox may represent the prototype of innovative anthracyclines, effective against doxorubicin-resistant/Pgp-expressing osteosarcoma cells by perturbing the ER functions.
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Affiliation(s)
- Ilaria Buondonno
- Department of Oncology, University of Torino, Via Santena 5/bis, 10126, Torino, Italy
| | - Elena Gazzano
- Department of Oncology, University of Torino, Via Santena 5/bis, 10126, Torino, Italy
| | - Elisa Tavanti
- Laboratory of Experimental Oncology, Pharmacogenomics and Pharmacogenetics Research Unit, Orthopaedic Rizzoli Institute I.R.C.C.S, Bologna, Italy
| | - Konstantin Chegaev
- Department of Drug Science and Technology, University of Torino, Torino, Italy
| | - Joanna Kopecka
- Department of Oncology, University of Torino, Via Santena 5/bis, 10126, Torino, Italy
| | - Marilù Fanelli
- Laboratory of Experimental Oncology, Pharmacogenomics and Pharmacogenetics Research Unit, Orthopaedic Rizzoli Institute I.R.C.C.S, Bologna, Italy
| | - Barbara Rolando
- Department of Drug Science and Technology, University of Torino, Torino, Italy
| | - Roberta Fruttero
- Department of Drug Science and Technology, University of Torino, Torino, Italy
| | - Alberto Gasco
- Department of Drug Science and Technology, University of Torino, Torino, Italy
| | - Claudia Hattinger
- Laboratory of Experimental Oncology, Pharmacogenomics and Pharmacogenetics Research Unit, Orthopaedic Rizzoli Institute I.R.C.C.S, Bologna, Italy
| | - Massimo Serra
- Laboratory of Experimental Oncology, Pharmacogenomics and Pharmacogenetics Research Unit, Orthopaedic Rizzoli Institute I.R.C.C.S, Bologna, Italy
| | - Chiara Riganti
- Department of Oncology, University of Torino, Via Santena 5/bis, 10126, Torino, Italy.
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103
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Bogdándi V, Ida T, Sutton TR, Bianco C, Ditrói T, Koster G, Henthorn HA, Minnion M, Toscano JP, van der Vliet A, Pluth MD, Feelisch M, Fukuto JM, Akaike T, Nagy P. Speciation of reactive sulfur species and their reactions with alkylating agents: do we have any clue about what is present inside the cell? Br J Pharmacol 2019; 176:646-670. [PMID: 29909607 PMCID: PMC6346080 DOI: 10.1111/bph.14394] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 05/18/2018] [Accepted: 06/05/2018] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND AND PURPOSE: Posttranslational modifications of cysteine residues represent a major aspect of redox biology, and their reliable detection is key in providing mechanistic insights. The metastable character of these modifications and cell lysis-induced artifactual oxidation render current state-of-the-art protocols to rely on alkylation-based stabilization of labile cysteine derivatives before cell/tissue rupture. An untested assumption in these procedures is that for all cysteine derivatives, alkylation rates are faster than their dynamic interchange. However, when the interconversion of cysteine derivatives is not rate limiting, electrophilic labelling is under Curtin-Hammett control; hence, the final alkylated mixture may not represent the speciation that prevailed before alkylation. EXPERIMENTAL APPROACH Buffered aqueous solutions of inorganic, organic, cysteine, GSH and GAPDH polysulfide species were used. Additional experiments in human plasma and serum revealed that monobromobimane can extract sulfide from the endogenous sulfur pool by shifting speciation equilibria, suggesting caution should be exercised when interpreting experimental results using this tool. KEY RESULTS In the majority of cases, the speciation of alkylated polysulfide/thiol derivatives depended on the experimental conditions. Alkylation perturbed sulfur speciation in both a concentration- and time-dependent manner and strong alkylating agents cleaved polysulfur chains. Moreover, the labelling of sulfenic acids with dimedone also affected cysteine speciation, suggesting that part of the endogenous pool of products previously believed to represent sulfenic acid species may represent polysulfides. CONCLUSIONS AND IMPLICATIONS We highlight methodological caveats potentially arising from these pitfalls and conclude that current derivatization strategies often fail to adequately capture physiological speciation of sulfur species. LINKED ARTICLES This article is part of a themed section on Chemical Biology of Reactive Sulfur Species. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v176.4/issuetoc.
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Affiliation(s)
- Virág Bogdándi
- Department of Molecular Immunology and ToxicologyNational Institute of OncologyBudapestHungary
| | - Tomoaki Ida
- Department of Environmental Medicine and Molecular ToxicologyTohoku University Graduate School of MedicineSendaiJapan
| | - Thomas R Sutton
- Clinical and Experimental Sciences, Faculty of MedicineUniversity Hospital Southampton NHS Foundation Trust, University of SouthamptonSouthamptonUK
| | | | - Tamás Ditrói
- Department of Molecular Immunology and ToxicologyNational Institute of OncologyBudapestHungary
| | - Grielof Koster
- Clinical and Experimental Sciences, Faculty of MedicineUniversity Hospital Southampton NHS Foundation Trust, University of SouthamptonSouthamptonUK
| | - Hillary A Henthorn
- Department of Chemistry and Biochemistry, Materials Science Institute, Institute of Molecular BiologyUniversity of OregonEugeneORUSA
| | - Magda Minnion
- Clinical and Experimental Sciences, Faculty of MedicineUniversity Hospital Southampton NHS Foundation Trust, University of SouthamptonSouthamptonUK
| | - John P Toscano
- Department of ChemistryJohns Hopkins UniversityBaltimoreMDUSA
| | - Albert van der Vliet
- Department of Pathology and Laboratory Medicine, Robert Larner, M.D. College of MedicineUniversity of VermontBurlingtonVTUSA
| | - Michael D Pluth
- Department of Chemistry and Biochemistry, Materials Science Institute, Institute of Molecular BiologyUniversity of OregonEugeneORUSA
| | - Martin Feelisch
- Clinical and Experimental Sciences, Faculty of MedicineUniversity Hospital Southampton NHS Foundation Trust, University of SouthamptonSouthamptonUK
| | - Jon M Fukuto
- Department of ChemistrySonoma State UniversityRohnert ParkCAUSA
| | - Takaaki Akaike
- Department of Environmental Medicine and Molecular ToxicologyTohoku University Graduate School of MedicineSendaiJapan
| | - Péter Nagy
- Department of Molecular Immunology and ToxicologyNational Institute of OncologyBudapestHungary
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104
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Longchamp A, Mirabella T, Arduini A, MacArthur MR, Das A, Treviño-Villarreal JH, Hine C, Ben-Sahra I, Knudsen NH, Brace LE, Reynolds J, Mejia P, Tao M, Sharma G, Wang R, Corpataux JM, Haefliger JA, Ahn KH, Lee CH, Manning BD, Sinclair DA, Chen CS, Ozaki CK, Mitchell JR. Amino Acid Restriction Triggers Angiogenesis via GCN2/ATF4 Regulation of VEGF and H 2S Production. Cell 2019; 173:117-129.e14. [PMID: 29570992 DOI: 10.1016/j.cell.2018.03.001] [Citation(s) in RCA: 204] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 01/17/2018] [Accepted: 02/27/2018] [Indexed: 12/15/2022]
Abstract
Angiogenesis, the formation of new blood vessels by endothelial cells (ECs), is an adaptive response to oxygen/nutrient deprivation orchestrated by vascular endothelial growth factor (VEGF) upon ischemia or exercise. Hypoxia is the best-understood trigger of VEGF expression via the transcription factor HIF1α. Nutrient deprivation is inseparable from hypoxia during ischemia, yet its role in angiogenesis is poorly characterized. Here, we identified sulfur amino acid restriction as a proangiogenic trigger, promoting increased VEGF expression, migration and sprouting in ECs in vitro, and increased capillary density in mouse skeletal muscle in vivo via the GCN2/ATF4 amino acid starvation response pathway independent of hypoxia or HIF1α. We also identified a requirement for cystathionine-γ-lyase in VEGF-dependent angiogenesis via increased hydrogen sulfide (H2S) production. H2S mediated its proangiogenic effects in part by inhibiting mitochondrial electron transport and oxidative phosphorylation, resulting in increased glucose uptake and glycolytic ATP production.
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Affiliation(s)
- Alban Longchamp
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Surgery and the Heart and Vascular Center, Brigham & Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Teodelinda Mirabella
- Tissue Microfabrication Lab, Department of Biomedical Engineering, Boston University, Boston, MA, USA; Wyss Institute for Biologically Inspired Engineering, Boston, MA, USA
| | - Alessandro Arduini
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Michael R MacArthur
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Abhirup Das
- Glenn Center for the Biological Mechanisms of Aging, Department of Genetics, Harvard Medical School, Boston, MA 02115, USA; Laboratory for Ageing Research, Department of Pharmacology, School of Medical Sciences, University of New South Wales, Sydney NSW 2052, Australia
| | | | - Christopher Hine
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Issam Ben-Sahra
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Nelson H Knudsen
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Lear E Brace
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Justin Reynolds
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Pedro Mejia
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Ming Tao
- Department of Surgery and the Heart and Vascular Center, Brigham & Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Gaurav Sharma
- Department of Surgery and the Heart and Vascular Center, Brigham & Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Rui Wang
- Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, ON, Canada
| | - Jean-Marc Corpataux
- Department of Vascular Surgery, Laboratory of Experimental Medicine, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Jacques-Antoine Haefliger
- Department of Vascular Surgery, Laboratory of Experimental Medicine, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Kyo Han Ahn
- Department of Chemistry, Postech, 77 Cheongam-Ro, Nam-Gu, Pohang, 37673, Republic of Korea
| | - Chih-Hao Lee
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Brendan D Manning
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - David A Sinclair
- Glenn Center for the Biological Mechanisms of Aging, Department of Genetics, Harvard Medical School, Boston, MA 02115, USA; Laboratory for Ageing Research, Department of Pharmacology, School of Medical Sciences, University of New South Wales, Sydney NSW 2052, Australia
| | - Christopher S Chen
- Tissue Microfabrication Lab, Department of Biomedical Engineering, Boston University, Boston, MA, USA; Wyss Institute for Biologically Inspired Engineering, Boston, MA, USA
| | - C Keith Ozaki
- Department of Surgery and the Heart and Vascular Center, Brigham & Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - James R Mitchell
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
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105
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Kouroussis E, Adhikari B, Zivanovic J, Filipovic MR. Measurement of Protein Persulfidation: Improved Tag-Switch Method. Methods Mol Biol 2019; 2007:37-50. [PMID: 31148105 DOI: 10.1007/978-1-4939-9528-8_4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Hydrogen sulfide (H2S) is an endogenously produced signaling gasotransmitter, generated by the enzymes cystathionine γ-lyase, cystathionine β-synthase, and 3-mercaptopyruvate sulfurtransferase. The involvement of H2S in numerous physiological, as well as pathophysiological conditions, was established over the past decade. However, the exact mechanism(s) of regulation of the biological functions by H2S are under active investigations. It is proposed that the oxidative posttranslational modification of protein cysteine residues, known as persulfidation, could be the main mechanism of action of H2S. Protein persulfides show similar reactivity to thiols, which represents one of the main obstacles in the development of a reliable method for detection of this specific protein modification. Subsequently, having a selective method for persulfide detection is of utmost importance in order to fully understand the physiological and pathophysiological role of H2S. Several methods have been proposed for the detection of protein persulfidation, all of which are highlighted in this chapter. Furthermore, we provide a detailed description and protocol for the first selective persulfide labeling method, a tag-switch method, developed in our group.
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Affiliation(s)
- Emilia Kouroussis
- Université de Bordeaux, IBGC, CNRS UMR 5095, Bordeaux, France
- Institut de Biochimie et Génétique Cellulaires, CNRS, UMR 5095, Bordeaux, France
| | - Bikash Adhikari
- Université de Bordeaux, IBGC, CNRS UMR 5095, Bordeaux, France
- Institut de Biochimie et Génétique Cellulaires, CNRS, UMR 5095, Bordeaux, France
| | - Jasmina Zivanovic
- Université de Bordeaux, IBGC, CNRS UMR 5095, Bordeaux, France
- Institut de Biochimie et Génétique Cellulaires, CNRS, UMR 5095, Bordeaux, France
| | - Milos R Filipovic
- Université de Bordeaux, IBGC, CNRS UMR 5095, Bordeaux, France.
- Institut de Biochimie et Génétique Cellulaires, CNRS, UMR 5095, Bordeaux, France.
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106
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Chhabra A, Mishra S, Kumar G, Gupta A, Keshri GK, Bharti B, Meena RN, Prabhakar AK, Singh DK, Bhargava K, Sharma M. Glucose-6-phosphate dehydrogenase is critical for suppression of cardiac hypertrophy by H 2S. Cell Death Discov 2018; 4:6. [PMID: 29531803 PMCID: PMC5841415 DOI: 10.1038/s41420-017-0010-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Accepted: 11/16/2017] [Indexed: 12/11/2022] Open
Abstract
Hydrogen Sulfide (H2S), recently identified as the third endogenously produced gaseous messenger, is a promising therapeutic prospect for multiple cardio-pathological states, including myocardial hypertrophy. The molecular niche of H2S in normal or diseased cardiac cells is, however, sparsely understood. Here, we show that β-adrenergic receptor (β-AR) overstimulation, known to produce hypertrophic effects in cardiomyocytes, rapidly decreased endogenous H2S levels. The preservation of intracellular H2S levels under these conditions strongly suppressed hypertrophic responses to adrenergic overstimulation, thus suggesting its intrinsic role in this process. Interestingly, unbiased global transcriptome sequencing analysis revealed an integrated metabolic circuitry, centrally linked by NADPH homeostasis, as the direct target of intracellular H2S augmentation. Within these gene networks, glucose-6-phosphate dehydrogenase (G6PD), the first and rate-limiting enzyme (producing NADPH) in pentose phosphate pathway, emerged as the critical node regulating cellular effects of H2S. Utilizing both cellular and animal model systems, we show that H2S-induced elevated G6PD activity is critical for the suppression of cardiac hypertrophy in response to adrenergic overstimulation. We also describe experimental evidences suggesting multiple processes/pathways involved in regulation of G6PD activity, sustained over extended duration of time, in response to endogenous H2S augmentation. Our data, thus, revealed H2S as a critical endogenous regulator of cardiac metabolic circuitry, and also mechanistic basis for its anti-hypertrophic effects.
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Affiliation(s)
- Aastha Chhabra
- Peptide and Proteomics Division, Defence Institute of Physiology and Allied Sciences (DIPAS), Delhi, India
| | - Shalini Mishra
- Peptide and Proteomics Division, Defence Institute of Physiology and Allied Sciences (DIPAS), Delhi, India
| | - Gaurav Kumar
- Peptide and Proteomics Division, Defence Institute of Physiology and Allied Sciences (DIPAS), Delhi, India
| | - Asheesh Gupta
- Biochemical Pharmacology Division, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi, India
| | - Gaurav Kumar Keshri
- Biochemical Pharmacology Division, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi, India
| | - Brij Bharti
- Peptide and Proteomics Division, Defence Institute of Physiology and Allied Sciences (DIPAS), Delhi, India
| | - Ram Niwas Meena
- Peptide and Proteomics Division, Defence Institute of Physiology and Allied Sciences (DIPAS), Delhi, India
| | - Amit Kumar Prabhakar
- Peptide and Proteomics Division, Defence Institute of Physiology and Allied Sciences (DIPAS), Delhi, India
| | | | - Kalpana Bhargava
- Peptide and Proteomics Division, Defence Institute of Physiology and Allied Sciences (DIPAS), Delhi, India
| | - Manish Sharma
- Peptide and Proteomics Division, Defence Institute of Physiology and Allied Sciences (DIPAS), Delhi, India
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107
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Hydrogen Sulfide Biochemistry and Interplay with Other Gaseous Mediators in Mammalian Physiology. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:6290931. [PMID: 30050658 PMCID: PMC6040266 DOI: 10.1155/2018/6290931] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 03/13/2018] [Indexed: 01/06/2023]
Abstract
Hydrogen sulfide (H2S) has emerged as a relevant signaling molecule in physiology, taking its seat as a bona fide gasotransmitter akin to nitric oxide (NO) and carbon monoxide (CO). After being merely regarded as a toxic poisonous molecule, it is now recognized that mammalian cells are equipped with sophisticated enzymatic systems for H2S production and breakdown. The signaling role of H2S is mainly related to its ability to modify different protein targets, particularly by promoting persulfidation of protein cysteine residues and by interacting with metal centers, mostly hemes. H2S has been shown to regulate a myriad of cellular processes with multiple physiological consequences. As such, dysfunctional H2S metabolism is increasingly implicated in different pathologies, from cardiovascular and neurodegenerative diseases to cancer. As a highly diffusible reactive species, the intra- and extracellular levels of H2S have to be kept under tight control and, accordingly, regulation of H2S metabolism occurs at different levels. Interestingly, even though H2S, NO, and CO have similar modes of action and parallel regulatory targets or precisely because of that, there is increasing evidence of a crosstalk between the three gasotransmitters. Herein are reviewed the biochemistry, metabolism, and signaling function of hydrogen sulfide, as well as its interplay with the other gasotransmitters, NO and CO.
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108
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Shen J, Walsh BJC, Flores-Mireles AL, Peng H, Zhang Y, Zhang Y, Trinidad JC, Hultgren SJ, Giedroc DP. Hydrogen Sulfide Sensing through Reactive Sulfur Species (RSS) and Nitroxyl (HNO) in Enterococcus faecalis. ACS Chem Biol 2018; 13:1610-1620. [PMID: 29712426 PMCID: PMC6088750 DOI: 10.1021/acschembio.8b00230] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Recent studies of hydrogen sulfide (H2S) signaling implicate low molecular weight (LMW) thiol persulfides and other reactive sulfur species (RSS) as signaling effectors. Here, we show that a CstR protein from the human pathogen Enterococcus faecalis ( E. faecalis), previously identified in Staphylococcus aureus ( S. aureus), is an RSS-sensing repressor that transcriptionally regulates a cst-like operon in response to both exogenous sulfide stress and Angeli's salt, a precursor of nitroxyl (HNO). E. faecalis CstR reacts with coenzyme A persulfide (CoASSH) to form interprotomer disulfide and trisulfide bridges between C32 and C61', which negatively regulate DNA binding to a consensus CstR DNA operator. A Δ cstR strain exhibits deficiency in catheter colonization in a catheter-associated urinary tract infection (CAUTI) mouse model, suggesting sulfide regulation and homeostasis is critical for pathogenicity. Cellular polysulfide metabolite profiling of sodium sulfide-stressed E. faecalis confirms an increase in both inorganic polysulfides and LMW thiols and persulfides sensed by CstR. The cst-like operon encodes two authentic thiosulfate sulfurtransferases and an enzyme we characterize here as an NADH and FAD-dependent coenzyme A (CoA) persulfide reductase (CoAPR) that harbors an N-terminal CoA disulfide reductase (CDR) domain and a C-terminal rhodanese homology domain (RHD). Both cysteines in the CDR (C42) and RHD (C508) domains are required for CoAPR activity and complementation of a sulfide-induced growth phenotype of a S. aureus strain lacking cstB, encoding a nonheme FeII persulfide dioxygenase. We propose that S. aureus CstB and E. faecalis CoAPR employ orthogonal chemistries to lower CoASSH that accumulates under conditions of cellular sulfide toxicity and signaling.
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Affiliation(s)
- Jiangchuan Shen
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
- Biochemistry Graduate Program, Indiana University, Bloomington, Indiana 47405, United States
| | - Brenna J. C. Walsh
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Ana Lidia Flores-Mireles
- Department of Molecular Microbiology and Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, Missouri 63011, United States
| | - Hui Peng
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
- Biochemistry Graduate Program, Indiana University, Bloomington, Indiana 47405, United States
| | - Yifan Zhang
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
- Biochemistry Graduate Program, Indiana University, Bloomington, Indiana 47405, United States
| | - Yixiang Zhang
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
- Laboratory for Biological Mass Spectrometry, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Jonathan C. Trinidad
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
- Laboratory for Biological Mass Spectrometry, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Scott J. Hultgren
- Department of Molecular Microbiology and Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, Missouri 63011, United States
| | - David P. Giedroc
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
- Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, Indiana 47405, United States
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109
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Fujii S, Sawa T, Motohashi H, Akaike T. Persulfide synthases that are functionally coupled with translation mediate sulfur respiration in mammalian cells. Br J Pharmacol 2018; 176:607-615. [PMID: 29748969 DOI: 10.1111/bph.14356] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 04/16/2018] [Accepted: 04/26/2018] [Indexed: 12/13/2022] Open
Abstract
Cysteine persulfide and polysulfide are produced in cells and exist in abundance in both low MW and protein fractions. However, the mechanism of regulation of the formation of cellular cysteine polysulfides and the physiological functions of cysteine persulfides/polysulfides produced in cells are not fully understood. We recently demonstrated that cysteinyl-tRNA synthetase (CARS) is a novel cysteine persulfide synthase. CARS is involved in protein polysulfidation that is coupled with translation. In particular, mitochondria function in biogenesis and bioenergetics is also supported and up-regulated by cysteine persulfide derived from mitochondrial CARS (also known as CARS2). Here, we provide an overview of recent advances in reactive persulfide research and our understanding of the mechanisms underlying the formation and the physiological roles of reactive persufides, with a primary focus on the formation of cysteine persulfide by CARS and the most fundamental mitochondrial bioenergetics mediated by persulfides, that is, sulfur respiration. LINKED ARTICLES: This article is part of a themed section on Chemical Biology of Reactive Sulfur Species. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v176.4/issuetoc.
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Affiliation(s)
- Shigemoto Fujii
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Tomohiro Sawa
- Department of Microbiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Hozumi Motohashi
- Department of Gene Expression Regulation, IDAC, Tohoku University, Sendai, Japan
| | - Takaaki Akaike
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai, Japan
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110
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Zhang D, Wang X, Tian X, Zhang L, Yang G, Tao Y, Liang C, Li K, Yu X, Tang X, Tang C, Zhou J, Kong W, Du J, Huang Y, Jin H. The Increased Endogenous Sulfur Dioxide Acts as a Compensatory Mechanism for the Downregulated Endogenous Hydrogen Sulfide Pathway in the Endothelial Cell Inflammation. Front Immunol 2018; 9:882. [PMID: 29760703 PMCID: PMC5936987 DOI: 10.3389/fimmu.2018.00882] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 04/09/2018] [Indexed: 02/04/2023] Open
Abstract
Endogenous hydrogen sulfide (H2S) and sulfur dioxide (SO2) are regarded as important regulators to control endothelial cell function and protect endothelial cell against various injuries. In our present study, we aimed to investigate the effect of endogenous H2S on the SO2 generation in the endothelial cells and explore its significance in the endothelial inflammation in vitro and in vivo. The human umbilical vein endothelial cell (HUVEC) line (EA.hy926), primary HUVECs, primary rat pulmonary artery endothelial cells (RPAECs), and purified aspartate aminotransferase (AAT) protein from pig heart were used for in vitro experiments. A rat model of monocrotaline (MCT)-induced pulmonary vascular inflammation was used for in vivo experiments. We found that endogenous H2S deficiency caused by cystathionine-γ-lyase (CSE) knockdown increased endogenous SO2 level in endothelial cells and enhanced the enzymatic activity of AAT, a major SO2 synthesis enzyme, without affecting the expressions of AAT1 and AAT2. While H2S donor could reverse the CSE knockdown-induced increase in the endogenous SO2 level and AAT activity. Moreover, H2S donor directly inhibited the activity of purified AAT protein, which was reversed by a thiol reductant DTT. Mechanistically, H2S donor sulfhydrated the purified AAT1/2 protein and rescued the decrease in the sulfhydration of AAT1/2 protein in the CSE knockdown endothelial cells. Furthermore, an AAT inhibitor l-aspartate-β-hydroxamate (HDX), which blocked the upregulation of endogenous SO2/AAT generation induced by CSE knockdown, aggravated CSE knockdown-activated nuclear factor-κB pathway in the endothelial cells and its downstream inflammatory factors including ICAM-1, TNF-α, and IL-6. In in vivo experiment, H2S donor restored the deficiency of endogenous H2S production induced by MCT, and reversed the upregulation of endogenous SO2/AAT pathway via sulfhydrating AAT1 and AAT2. In accordance with the results of the in vitro experiment, HDX exacerbated the pulmonary vascular inflammation induced by the broken endogenous H2S production in MCT-treated rat. In conclusion, for the first time, the present study showed that H2S inhibited endogenous SO2 generation by inactivating AAT via the sulfhydration of AAT1/2; and the increased endogenous SO2 generation might play a compensatory role when H2S/CSE pathway was downregulated, thereby exerting protective effects in endothelial inflammatory responses in vitro and in vivo.
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Affiliation(s)
- Da Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Xiuli Wang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Xiaoyu Tian
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Lulu Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Guosheng Yang
- Animal Center, Peking University First Hospital, Beijing, China
| | - Yinghong Tao
- Animal Center, Peking University First Hospital, Beijing, China
| | - Chen Liang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Kun Li
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, China
| | - Xiaoqi Yu
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, China
| | - Xinjing Tang
- State Key Laboratory of Natural and Biomimetic Drugs, Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Chaoshu Tang
- Department of Physiology and Pathophysiology, Peking University Health Science Centre, Beijing, China.,Key Laboratory of Molecular Cardiology, Ministry of Education, Beijing, China
| | - Jing Zhou
- Department of Physiology and Pathophysiology, Peking University Health Science Centre, Beijing, China.,Key Laboratory of Molecular Cardiology, Ministry of Education, Beijing, China
| | - Wei Kong
- Department of Physiology and Pathophysiology, Peking University Health Science Centre, Beijing, China.,Key Laboratory of Molecular Cardiology, Ministry of Education, Beijing, China
| | - Junbao Du
- Department of Pediatrics, Peking University First Hospital, Beijing, China.,Key Laboratory of Molecular Cardiology, Ministry of Education, Beijing, China
| | - Yaqian Huang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Hongfang Jin
- Department of Pediatrics, Peking University First Hospital, Beijing, China
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111
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Meng G, Zhao S, Xie L, Han Y, Ji Y. Protein S-sulfhydration by hydrogen sulfide in cardiovascular system. Br J Pharmacol 2018; 175:1146-1156. [PMID: 28432761 PMCID: PMC5866969 DOI: 10.1111/bph.13825] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Revised: 03/13/2017] [Accepted: 04/12/2017] [Indexed: 12/23/2022] Open
Abstract
Hydrogen sulfide (H2 S), independently of any specific transporters, has a number of biological effects on the cardiovascular system. However, until now, the detailed mechanism of H2 S was not clear. Recently, a novel post-translational modification induced by H2 S, named S-sulfhydration, has been proposed. S-sulfhydration is the chemical modification of specific cysteine residues of target proteins by H2 S. There are several methods for detecting S-sulfhydration, such as the modified biotin switch assay, maleimide assay with fluorescent thiol modifying regents, tag-switch method and mass spectrometry. H2 S induces S-sulfhydration on enzymes or receptors (such as p66Shc, phospholamban, protein tyrosine phosphatase 1B, mitogen-activated extracellular signal-regulated kinase 1 and ATP synthase subunit α), transcription factors (such as specific protein-1, kelch-like ECH-associating protein 1, NF-κB and interferon regulatory factor-1), and ion channels (such as voltage-activated Ca2+ channels, transient receptor potential channels and ATP-sensitive K+ channels) in the cardiovascular system. Although significant progress has been achieved in delineating the role of protein S-sulfhydration by H2 S in the cardiovascular system, more proteins with detailed cysteine sites of S-sulfhydration as well as physiological function need to be investigated in further studies. This review mainly summarizes the role and possible mechanism of S-sulfhydration in the cardiovascular system. The S-sulfhydrated proteins may be potential novel targets for therapeutic intervention and drug design in the cardiovascular system, which may accelerate the development and application of H2 S-related drugs in the future. LINKED ARTICLES This article is part of a themed section on Spotlight on Small Molecules in Cardiovascular Diseases. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v175.8/issuetoc.
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Affiliation(s)
- Guoliang Meng
- Department of Pharmacology, School of PharmacyNantong UniversityNantongChina
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of PharmacyNanjing Medical UniversityNanjingChina
| | - Shuang Zhao
- Key Laboratory of Cardiovascular Disease and Molecular InterventionNanjing Medical UniversityNanjingChina
| | - Liping Xie
- Key Laboratory of Cardiovascular Disease and Molecular InterventionNanjing Medical UniversityNanjingChina
| | - Yi Han
- Department of GeriatricsFirst Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Yong Ji
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of PharmacyNanjing Medical UniversityNanjingChina
- Key Laboratory of Cardiovascular Disease and Molecular InterventionNanjing Medical UniversityNanjingChina
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112
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Pal VK, Bandyopadhyay P, Singh A. Hydrogen sulfide in physiology and pathogenesis of bacteria and viruses. IUBMB Life 2018; 70:393-410. [PMID: 29601123 PMCID: PMC6029659 DOI: 10.1002/iub.1740] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 02/14/2018] [Accepted: 03/02/2018] [Indexed: 12/18/2022]
Abstract
An increasing number of studies have established hydrogen sulfide (H2S) gas as a major cytoprotectant and redox modulator. Following its discovery, H2S has been found to have pleiotropic effects on physiology and human health. H2S acts as a gasotransmitter and exerts its influence on gastrointestinal, neuronal, cardiovascular, respiratory, renal, and hepatic systems. Recent discoveries have clearly indicated the importance of H2S in regulating vasorelaxation, angiogenesis, apoptosis, ageing, and metabolism. Contrary to studies in higher organisms, the role of H2S in the pathophysiology of infectious agents such as bacteria and viruses has been less studied. Bacterial and viral infections are often accompanied by changes in the redox physiology of both the host and the pathogen. Emerging studies indicate that bacterial-derived H2S constitutes a defense system against antibiotics and oxidative stress. The H2S signaling pathway also seems to interfere with redox-based events affected on infection with viruses. This review aims to summarize recent advances on the emerging role of H2S gas in the bacterial physiology and viral infections. Such studies have opened up new research avenues exploiting H2S as a potential therapeutic intervention.
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Affiliation(s)
- Virender Kumar Pal
- Department of Microbiology and Cell Biology, Centre for Infectious Disease Research, Indian Institute of Science (IISc), Bangalore, India
| | - Parijat Bandyopadhyay
- Department of Microbiology and Cell Biology, Centre for Infectious Disease Research, Indian Institute of Science (IISc), Bangalore, India
| | - Amit Singh
- Department of Microbiology and Cell Biology, Centre for Infectious Disease Research, Indian Institute of Science (IISc), Bangalore, India
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113
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Paul BD, Snyder SH. Gasotransmitter hydrogen sulfide signaling in neuronal health and disease. Biochem Pharmacol 2018; 149:101-109. [PMID: 29203369 PMCID: PMC5868969 DOI: 10.1016/j.bcp.2017.11.019] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 11/29/2017] [Indexed: 01/17/2023]
Abstract
Hydrogen sulfide is a gaseous signaling molecule or gasotransmitter which plays important roles in a wide spectrum of physiologic processes in the brain and peripheral tissues. Unlike nitric oxide and carbon monoxide, the other major gasotransmitters, research on hydrogen sulfide is still in its infancy. One of the modes by which hydrogen sulfide signals is via a posttranslational modification termed sulfhydration/persulfidation, which occurs on reactive cysteine residues on target proteins, where the reactive SH group is converted to an SSH group. Sulfhydration is a substantially prevalent modification, which modulates the structure or function of proteins being modified. Thus, precise control of endogenous hydrogen sulfide production and metabolism is critical for maintenance of optimal cellular function, with excess generation and paucity, both contributing to pathology. Dysregulation of the reverse transsulfuration pathway which generates hydrogen sulfide occurs in several neurodegenerative diseases such as Parkinson's disease, Huntington's disease and Alzheimer's disease. Accordingly, treatment with donors of hydrogen sulfide or stimulation of the reverse transsulfuration have proved beneficial in several neurodegenerative states. In this review we focus on hydrogen sulfide mediated neuronal signaling processes that contribute to neuroprotection.
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Affiliation(s)
- Bindu D Paul
- The Solomon H. Snyder Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
| | - Solomon H Snyder
- The Solomon H. Snyder Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Department of Pharmacology and Molecular Sciences, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Department of Psychiatry, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
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114
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Libiad M, Motl N, Akey DL, Sakamoto N, Fearon ER, Smith JL, Banerjee R. Thiosulfate sulfurtransferase-like domain-containing 1 protein interacts with thioredoxin. J Biol Chem 2018; 293:2675-2686. [PMID: 29348167 PMCID: PMC5827441 DOI: 10.1074/jbc.ra117.000826] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 01/16/2018] [Indexed: 12/11/2022] Open
Abstract
Rhodanese domains are structural modules present in the sulfurtransferase superfamily. These domains can exist as single units, in tandem repeats, or fused to domains with other activities. Despite their prevalence across species, the specific physiological roles of most sulfurtransferases are not known. Mammalian rhodanese and mercaptopyruvate sulfurtransferase are perhaps the best-studied members of this protein superfamily and are involved in hydrogen sulfide metabolism. The relatively unstudied human thiosulfate sulfurtransferase-like domain-containing 1 (TSTD1) protein, a single-domain cytoplasmic sulfurtransferase, was also postulated to play a role in the sulfide oxidation pathway using thiosulfate to form glutathione persulfide, for subsequent processing in the mitochondrial matrix. Prior kinetic analysis of TSTD1 was performed at pH 9.2, raising questions about relevance and the proposed model for TSTD1 function. In this study, we report a 1.04 Å resolution crystal structure of human TSTD1, which displays an exposed active site that is distinct from that of rhodanese and mercaptopyruvate sulfurtransferase. Kinetic studies with a combination of sulfur donors and acceptors reveal that TSTD1 exhibits a low Km for thioredoxin as a sulfane sulfur acceptor and that it utilizes thiosulfate inefficiently as a sulfur donor. The active site exposure and its interaction with thioredoxin suggest that TSTD1 might play a role in sulfide-based signaling. The apical localization of TSTD1 in human colonic crypts, which interfaces with sulfide-releasing microbes, and the overexpression of TSTD1 in colon cancer provide potentially intriguing clues as to its role in sulfide metabolism.
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Affiliation(s)
- Marouane Libiad
- Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109
| | - Nicole Motl
- Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109
| | - David L Akey
- Life Sciences Institute, University of Michigan Medical Center, Ann Arbor, Michigan 48109
| | - Naoya Sakamoto
- Department of Molecular Pathology, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8551, Japan
| | - Eric R Fearon
- Departments of Internal Medicine, Human Genetics, and Pathology, University of Michigan Medical Center, Ann Arbor, Michigan 48109
| | - Janet L Smith
- Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109; Life Sciences Institute, University of Michigan Medical Center, Ann Arbor, Michigan 48109
| | - Ruma Banerjee
- Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109.
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115
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Chen N, Liu J, Qiao Z, Liu Y, Yang Y, Jiang C, Wang X, Wang C. Chemical proteomic profiling of protein N-homocysteinylation with a thioester probe. Chem Sci 2018; 9:2826-2830. [PMID: 29732068 PMCID: PMC5914431 DOI: 10.1039/c8sc00221e] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 02/13/2018] [Indexed: 12/20/2022] Open
Abstract
Hyperhomocysteinemia (HHcy) refers to a medical condition of abnormally high level of homocysteine (Hcy) in blood (>15 μmol L-1) and has been clinically implicated with cardiovascular diseases and neurodegenerative disorders. Excessive Hcy can be converted to a reactive thioester intermediate, Hcy thiolactone (HTL), which selectively reacts with protein lysine residues ("N-homocysteinylation") and this non-enzymatic modification largely contributes to manifestations of HHcy. However, the proteome-wide detection of protein N-homocysteinylation remains a challenge to date. In this work, we report a chemoselective reaction to label and enrich N-homocysteinylation from complex proteome samples as inspired by native chemical ligation for protein synthesis. Alkynyl thioester probes are synthesized and the reaction is validated with small molecule and purified protein models successfully. We performed quantitative chemical proteomics to identify more than 800 N-homocysteinylated proteins as well as 304 N-homocysteinylated sites directly from HTL-treated HeLa cells. The chemical proteomics strategies will facilitate functional study of protein N-homocysteinylations in the HHcy-implicated diseases.
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Affiliation(s)
- Nan Chen
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China .
| | - Jinmin Liu
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China .
| | - Zeyu Qiao
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China .
| | - Yuan Liu
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China .
| | - Yue Yang
- Department of Physiology and Pathophysiology , School of Basic Medical Sciences , Peking University , Beijing , 100191 , China
| | - Changtao Jiang
- Department of Physiology and Pathophysiology , School of Basic Medical Sciences , Peking University , Beijing , 100191 , China
| | - Xian Wang
- Department of Physiology and Pathophysiology , School of Basic Medical Sciences , Peking University , Beijing , 100191 , China
| | - Chu Wang
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China . .,Peking-Tsinghua Center for Life Sciences , Peking University , Beijing , 100871 , China
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116
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Filipovic MR, Zivanovic J, Alvarez B, Banerjee R. Chemical Biology of H 2S Signaling through Persulfidation. Chem Rev 2018; 118:1253-1337. [PMID: 29112440 PMCID: PMC6029264 DOI: 10.1021/acs.chemrev.7b00205] [Citation(s) in RCA: 599] [Impact Index Per Article: 99.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Signaling by H2S is proposed to occur via persulfidation, a posttranslational modification of cysteine residues (RSH) to persulfides (RSSH). Persulfidation provides a framework for understanding the physiological and pharmacological effects of H2S. Due to the inherent instability of persulfides, their chemistry is understudied. In this review, we discuss the biologically relevant chemistry of H2S and the enzymatic routes for its production and oxidation. We cover the chemical biology of persulfides and the chemical probes for detecting them. We conclude by discussing the roles ascribed to protein persulfidation in cell signaling pathways.
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Affiliation(s)
- Milos R. Filipovic
- Univeristy of Bordeaux, IBGC, UMR 5095, F-33077 Bordeaux, France
- CNRS, IBGC, UMR 5095, F-33077 Bordeaux, France
| | - Jasmina Zivanovic
- Univeristy of Bordeaux, IBGC, UMR 5095, F-33077 Bordeaux, France
- CNRS, IBGC, UMR 5095, F-33077 Bordeaux, France
| | - Beatriz Alvarez
- Laboratorio de Enzimología, Facultad de Ciencias and Center for Free Radical and Biomedical Research, Universidad de la Republica, 11400 Montevideo, Uruguay
| | - Ruma Banerjee
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109-0600, United States
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117
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N-Acetyl Cysteine Functions as a Fast-Acting Antioxidant by Triggering Intracellular H 2S and Sulfane Sulfur Production. Cell Chem Biol 2018; 25:447-459.e4. [PMID: 29429900 DOI: 10.1016/j.chembiol.2018.01.011] [Citation(s) in RCA: 247] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 12/04/2017] [Accepted: 01/11/2018] [Indexed: 12/11/2022]
Abstract
The cysteine prodrug N-acetyl cysteine (NAC) is widely used as a pharmacological antioxidant and cytoprotectant. It has been reported to lower endogenous oxidant levels and to protect cells against a wide range of pro-oxidative insults. As NAC itself is a poor scavenger of oxidants, the molecular mechanisms behind the antioxidative effects of NAC have remained uncertain. Here we show that NAC-derived cysteine is desulfurated to generate hydrogen sulfide, which in turn is oxidized to sulfane sulfur species, predominantly within mitochondria. We provide evidence suggesting the possibility that sulfane sulfur species produced by 3-mercaptopyruvate sulfurtransferase and sulfide:quinone oxidoreductase are the actual mediators of the immediate antioxidative and cytoprotective effects provided by NAC.
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118
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Kekulandara DN, Samarasinghe KTG, Munkanatta Godage DNP, Ahn YH. Clickable glutathione using tetrazine-alkene bioorthogonal chemistry for detecting protein glutathionylation. Org Biomol Chem 2018; 14:10886-10893. [PMID: 27812596 DOI: 10.1039/c6ob02050j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Protein glutathionylation is one of the major cysteine oxidative modifications in response to reactive oxygen species (ROS). We recently developed a clickable glutathione approach for detecting glutathionylation by using a glutathione synthetase mutant (GS M4) that synthesizes azido-glutathione (γGlu-Cys-azido-Ala) in situ in cells. In order to demonstrate the versatility of clickable glutathione and to increase the chemical tools for detecting glutathionylation, we sought to develop clickable glutathione that uses tetrazine-alkene bioorthogonal chemistry. Here we report two alkene-containing glycine surrogates (allyl-Gly and allyl-Ser) for the biosynthesis of clickable glutathione and their use for detection, enrichment, and identification of glutathionylated proteins. Our results provide chemical tools (allyl-Gly and allyl-Ser for GS M4) for versatile characterization of protein glutathionylation. In addition, we show that the active site of GS can be tuned to introduce a small size chemical tag on glutathione for exploring glutathione function in cells.
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Affiliation(s)
| | | | | | - Young-Hoon Ahn
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA.
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119
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Aroca A, Gotor C, Romero LC. Hydrogen Sulfide Signaling in Plants: Emerging Roles of Protein Persulfidation. FRONTIERS IN PLANT SCIENCE 2018; 9:1369. [PMID: 30283480 PMCID: PMC6157319 DOI: 10.3389/fpls.2018.01369] [Citation(s) in RCA: 137] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Accepted: 08/29/2018] [Indexed: 05/20/2023]
Abstract
Hydrogen sulfide (H2S) has been largely referred as a toxic gas and environmental hazard, but recent years, it has emerged as an important gas-signaling molecule with effects on multiple physiological processes in both animal and plant systems. The regulatory functions of H2S in plants are involved in important processes such as the modulation of defense responses, plant growth and development, and the regulation of senescence and maturation. The main signaling pathway involving sulfide has been proven to be through protein persulfidation (alternatively called S-sulfhydration), in which the thiol group of cysteine (-SH) in proteins is modified into a persulfide group (-SSH). This modification may cause functional changes in protein activities, structures, and subcellular localizations of the target proteins. New shotgun proteomic approaches and bioinformatic analyses have revealed that persulfidated cysteines regulate important biological processes, highlighting their importance in cell signaling, since about one in 20 proteins in Arabidopsis is persulfidated. During oxidative stress, an increased persulfidation has been reported and speculated that persulfidation is the protective mechanism for protein oxidative damage. Nevertheless, cysteine residues are also oxidized to different post-translational modifications such S-nitrosylation or S-sulfenylation, which seems to be interconvertible. Thus, it must imply a tight cysteine redox regulation essential for cell survival. This review is aimed to focus on the current knowledge of protein persulfidation and addresses the regulation mechanisms that are disclosed based on the knowledge from other cysteine modifications.
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120
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Eelen G, de Zeeuw P, Treps L, Harjes U, Wong BW, Carmeliet P. Endothelial Cell Metabolism. Physiol Rev 2018; 98:3-58. [PMID: 29167330 PMCID: PMC5866357 DOI: 10.1152/physrev.00001.2017] [Citation(s) in RCA: 329] [Impact Index Per Article: 54.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 06/19/2017] [Accepted: 06/22/2017] [Indexed: 02/06/2023] Open
Abstract
Endothelial cells (ECs) are more than inert blood vessel lining material. Instead, they are active players in the formation of new blood vessels (angiogenesis) both in health and (life-threatening) diseases. Recently, a new concept arose by which EC metabolism drives angiogenesis in parallel to well-established angiogenic growth factors (e.g., vascular endothelial growth factor). 6-Phosphofructo-2-kinase/fructose-2,6-bisphosphatase-3-driven glycolysis generates energy to sustain competitive behavior of the ECs at the tip of a growing vessel sprout, whereas carnitine palmitoyltransferase 1a-controlled fatty acid oxidation regulates nucleotide synthesis and proliferation of ECs in the stalk of the sprout. To maintain vascular homeostasis, ECs rely on an intricate metabolic wiring characterized by intracellular compartmentalization, use metabolites for epigenetic regulation of EC subtype differentiation, crosstalk through metabolite release with other cell types, and exhibit EC subtype-specific metabolic traits. Importantly, maladaptation of EC metabolism contributes to vascular disorders, through EC dysfunction or excess angiogenesis, and presents new opportunities for anti-angiogenic strategies. Here we provide a comprehensive overview of established as well as newly uncovered aspects of EC metabolism.
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Affiliation(s)
- Guy Eelen
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Pauline de Zeeuw
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Lucas Treps
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Ulrike Harjes
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Brian W Wong
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Peter Carmeliet
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
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121
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A Unique ISR Program Determines Cellular Responses to Chronic Stress. Mol Cell 2017; 68:885-900.e6. [PMID: 29220654 DOI: 10.1016/j.molcel.2017.11.007] [Citation(s) in RCA: 112] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 09/27/2017] [Accepted: 11/07/2017] [Indexed: 02/05/2023]
Abstract
The integrated stress response (ISR) is a homeostatic mechanism induced by endoplasmic reticulum (ER) stress. In acute/transient ER stress, decreased global protein synthesis and increased uORF mRNA translation are followed by normalization of protein synthesis. Here, we report a dramatically different response during chronic ER stress. This chronic ISR program is characterized by persistently elevated uORF mRNA translation and concurrent gene expression reprogramming, which permits simultaneous stress sensing and proteostasis. The program includes PERK-dependent switching to an eIF3-dependent translation initiation mechanism, resulting in partial, but not complete, translational recovery, which, together with transcriptional reprogramming, selectively bolsters expression of proteins with ER functions. Coordination of transcriptional and translational reprogramming prevents ER dysfunction and inhibits "foamy cell" development, thus establishing a molecular basis for understanding human diseases associated with ER dysfunction.
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122
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Fohlen B, Tavernier Q, Huynh TM, Caradeuc C, Le Corre D, Bertho G, Cholley B, Pallet N. Real-Time and Non-invasive Monitoring of the Activation of the IRE1α-XBP1 Pathway in Individuals with Hemodynamic Impairment. EBioMedicine 2017; 27:284-292. [PMID: 29276149 PMCID: PMC5828547 DOI: 10.1016/j.ebiom.2017.12.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 12/07/2017] [Accepted: 12/19/2017] [Indexed: 02/06/2023] Open
Abstract
Many stressors that are encountered upon kidney injury are likely to trigger endoplasmic reticulum (ER) stress, subsequently activating transcriptional, translational and metabolic reprogramming. Monitoring early cellular adaptive responses engaged after hemodynamic impairment yields may represent a clinically relevant approach. However, a non-invasive method for detecting the ER stress response has not been developed. We combined a metabolomic approach with genetic marker analyses using urine from individuals undergoing scheduled cardiac surgery under cardiopulmonary bypass to investigate the feasibility and significance of monitoring the ER stress response in the kidney. We developed an original method based on fragment analysis that measures urinary levels of the spliced X-box binding protein 1 (sXBP1) mRNA as a proxy of inositol-requiring enzyme 1α (IRE1α) activity because sXBP1 is absolutely sensitive and specific for ER stress. The early engagement of the ER stress response after ischemic stress is critical for protecting against tissue damage, and individuals who mount a robust adaptive response are protected against AKI. The clinical consequences of our findings are of considerable importance because ER stress is involved in numerous conditions that lead to AKI and chronic kidney disease; in addition, the detection of ER stress is straightforward and immediately available in routine practice. Endoplasmic Reticulum (ER) stress is involved in the pathophysiology of numerous kidney diseases. We developed a method based on fragment analysis that measures urinary levels of XBP1 mRNA to detect renal ER stress. ER stress occurs early after cardiopulmonary bypass, a procedure leading to acute kidney injury. The detection of renal ER stress in this context can predict the occurrence of acute kidney injury.
The better care of patients with kidney disease requires the identification of biomarkers of ongoing tissue injury to provide therapies to slow disease progression. In this study, we have developed for the first time a non-invasive (urinary) biomarker of a protective cellular process called Endoplasmic Reticulum stress that occurs early in the kidney after ischemic injury. Renal ischemic injury follows cardiac surgery and could lead to acute kidney injury. Our results indicate that the early detection of individuals who do not activate Endoplasmic Reticulum stress could help to identify individuals who will develop acute kidney injury.
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Affiliation(s)
- Baptiste Fohlen
- Department d'Anésthésie et de Réanimation Cardiovasculaire, Hôpital Européen Georges Pompidou, Paris, France; Assistance Publique-Hôpitaux de Paris (APHP), Paris, France; Université Paris Descartes, Paris, France
| | - Quentin Tavernier
- Université Paris Descartes, Paris, France; Institut National de la Santé et la Recherche Médicale (INSERM) U1147, Paris, France
| | - Thi-Mum Huynh
- Department d'Anésthésie et de Réanimation Cardiovasculaire, Hôpital Européen Georges Pompidou, Paris, France; Assistance Publique-Hôpitaux de Paris (APHP), Paris, France; Université Paris Descartes, Paris, France
| | - Cédric Caradeuc
- Université Paris Descartes, Paris, France; Centre National pour le Recherche Scientifique (CNRS) U8601, Paris, France
| | - Delphine Le Corre
- Université Paris Descartes, Paris, France; Institut National de la Santé et la Recherche Médicale (INSERM) U1147, Paris, France
| | - Gildas Bertho
- Université Paris Descartes, Paris, France; Centre National pour le Recherche Scientifique (CNRS) U8601, Paris, France
| | - Bernard Cholley
- Department d'Anésthésie et de Réanimation Cardiovasculaire, Hôpital Européen Georges Pompidou, Paris, France; Assistance Publique-Hôpitaux de Paris (APHP), Paris, France; Université Paris Descartes, Paris, France
| | - Nicolas Pallet
- Assistance Publique-Hôpitaux de Paris (APHP), Paris, France; Université Paris Descartes, Paris, France; Institut National de la Santé et la Recherche Médicale (INSERM) U1147, Paris, France; Service de Néphrologie, Hôpital Européen Georges Pompidou, Paris, France; Service de Biochimie, Hôpital Européen Georges Pompidou, Paris, France.
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123
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Cupriavidus necator H16 Uses Flavocytochrome c Sulfide Dehydrogenase To Oxidize Self-Produced and Added Sulfide. Appl Environ Microbiol 2017; 83:AEM.01610-17. [PMID: 28864655 DOI: 10.1128/aem.01610-17] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 08/28/2017] [Indexed: 12/11/2022] Open
Abstract
Production of sulfide (H2S, HS-, and S2-) by heterotrophic bacteria during aerobic growth is a common phenomenon. Some bacteria with sulfide:quinone oxidoreductase (SQR) and persulfide dioxygenase (PDO) can oxidize self-produced sulfide to sulfite and thiosulfate, but other bacteria without these enzymes release sulfide into the medium, from which H2S can volatilize into the gas phase. Here, we report that Cupriavidus necator H16, with the fccA and fccB genes encoding flavocytochrome c sulfide dehydrogenases (FCSDs), also oxidized self-produced H2S. A mutant in which fccA and fccB were deleted accumulated and released H2S. When fccA and fccB were expressed in Pseudomonas aeruginosa strain Pa3K with deletions of its sqr and pdo genes, the recombinant rapidly oxidized sulfide to sulfane sulfur. When PDO was also cloned into the recombinant, the recombinant with both FCSD and PDO oxidized sulfide to sulfite and thiosulfate. Thus, the proposed pathway is similar to the pathway catalyzed by SQR and PDO, in which FCSD oxidizes sulfide to polysulfide, polysulfide spontaneously reacts with reduced glutathione (GSH) to produce glutathione persulfide (GSSH), and PDO oxidizes GSSH to sulfite, which chemically reacts with polysulfide to produce thiosulfate. About 20.6% of sequenced bacterial genomes contain SQR, and only 3.9% contain FCSD. This is not a surprise, since SQR is more efficient in conserving energy because it passes electrons from sulfide oxidation into the electron transport chain at the quinone level, while FCSD passes electrons to cytochrome c The transport of electrons from the latter to O2 conserves less energy. FCSDs are grouped into three subgroups, well conserved at the taxonomic level. Thus, our data show the diversity in sulfide oxidation by heterotrophic bacteria.IMPORTANCE Heterotrophic bacteria with SQR and PDO can oxidize self-produced sulfide and do not release H2S into the gas phase. C. necator H16 has FCSD but not SQR, and it does not release H2S. We confirmed that the bacterium used FCSD for the oxidation of self-produced sulfide. The bacterium also oxidized added sulfide. The common presence of SQRs, FCSDs, and PDOs in heterotrophic bacteria suggests the significant role of heterotrophic bacteria in sulfide oxidation, participating in sulfur biogeochemical cycling. Further, FCSDs have been identified in anaerobic photosynthetic bacteria and chemolithotrophic bacteria, but their physiological roles are unknown. We showed that heterotrophic bacteria use FCSDs to oxidize self-produced sulfide and extraneous sulfide, and they may be used for H2S bioremediation.
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124
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Aroca A, Benito JM, Gotor C, Romero LC. Persulfidation proteome reveals the regulation of protein function by hydrogen sulfide in diverse biological processes in Arabidopsis. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:4915-4927. [PMID: 28992305 PMCID: PMC5853657 DOI: 10.1093/jxb/erx294] [Citation(s) in RCA: 155] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 07/28/2017] [Indexed: 05/20/2023]
Abstract
Hydrogen sulfide-mediated signaling pathways regulate many physiological and pathophysiological processes in mammalian and plant systems. The molecular mechanism by which hydrogen sulfide exerts its action involves the post-translational modification of cysteine residues to form a persulfidated thiol motif, a process called protein persulfidation. We have developed a comparative and quantitative proteomic analysis approach for the detection of endogenous persulfidated proteins in wild-type Arabidopsis and L-CYSTEINE DESULFHYDRASE 1 mutant leaves using the tag-switch method. The 2015 identified persulfidated proteins were isolated from plants grown under controlled conditions, and therefore, at least 5% of the entire Arabidopsis proteome may undergo persulfidation under baseline conditions. Bioinformatic analysis revealed that persulfidated cysteines participate in a wide range of biological functions, regulating important processes such as carbon metabolism, plant responses to abiotic and biotic stresses, plant growth and development, and RNA translation. Quantitative analysis in both genetic backgrounds reveals that protein persulfidation is mainly involved in primary metabolic pathways such as the tricarboxylic acid cycle, glycolysis, and the Calvin cycle, suggesting that this protein modification is a new regulatory component in these pathways.
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Affiliation(s)
| | - Juan M Benito
- Instituto de Investigaciones Química, Consejo Superior de Investigaciones Científicas y Universidad de Sevilla, Avenida Américo Vespucio, Sevilla, Spain
| | | | - Luis C Romero
- Instituto de Bioquímica Vegetal y Fotosíntesis
- Correspondence:
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125
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Peng H, Zhang Y, Palmer LD, Kehl-Fie TE, Skaar EP, Trinidad JC, Giedroc DP. Hydrogen Sulfide and Reactive Sulfur Species Impact Proteome S-Sulfhydration and Global Virulence Regulation in Staphylococcus aureus. ACS Infect Dis 2017; 3:744-755. [PMID: 28850209 DOI: 10.1021/acsinfecdis.7b00090] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Hydrogen sulfide (H2S) is thought to protect bacteria from oxidative stress, but a comprehensive understanding of its function in bacteria is largely unexplored. In this study, we show that the human pathogen Staphylococcus aureus (S. aureus) harbors significant effector molecules of H2S signaling, reactive sulfur species (RSS), as low molecular weight persulfides of bacillithiol, coenzyme A, and cysteine, and significant inorganic polysulfide species. We find that proteome S-sulfhydration, a post-translational modification (PTM) in H2S signaling, is widespread in S. aureus. RSS levels modulate the expression of secreted virulence factors and the cytotoxicity of the secretome, consistent with an S-sulfhydration-dependent inhibition of DNA binding by MgrA, a global virulence regulator. Two previously uncharacterized thioredoxin-like proteins, denoted TrxP and TrxQ, are S-sulfhydrated in sulfide-stressed cells and are capable of reducing protein hydrodisulfides, suggesting that this PTM is potentially regulatory in S. aureus. In conclusion, our results reveal that S. aureus harbors a pool of proteome- and metabolite-derived RSS capable of impacting protein activities and gene regulation and that H2S signaling can be sensed by global regulators to affect the expression of virulence factors.
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Affiliation(s)
- Hui Peng
- Department of Chemistry, Indiana University, 800 E. Kirkwood Drive, Bloomington, Indiana 47405-7102, United States
- Graduate Program in Biochemistry, Indiana University, 212 S. Hawthorne Drive, Bloomington, Indiana 47405, United States
| | - Yixiang Zhang
- Department of Chemistry, Indiana University, 800 E. Kirkwood Drive, Bloomington, Indiana 47405-7102, United States
- Laboratory for Biological Mass Spectrometry,
Department of Chemistry, Indiana University, Simon Hall 120B, 212 S. Hawthorne
Drive, Bloomington, Indiana 47405, United States
| | - Lauren D. Palmer
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, 1161 21st Avenue South, Nashville, Tennessee 37232-2363, United States
| | - Thomas E. Kehl-Fie
- Department of Microbiology, University of Illinois Urbana−Champaign, 601 South Goodwin Avenue, Urbana, Illinois 61801, United States
| | - Eric P. Skaar
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, 1161 21st Avenue South, Nashville, Tennessee 37232-2363, United States
| | - Jonathan C. Trinidad
- Department of Chemistry, Indiana University, 800 E. Kirkwood Drive, Bloomington, Indiana 47405-7102, United States
- Laboratory for Biological Mass Spectrometry,
Department of Chemistry, Indiana University, Simon Hall 120B, 212 S. Hawthorne
Drive, Bloomington, Indiana 47405, United States
| | - David P. Giedroc
- Department of Chemistry, Indiana University, 800 E. Kirkwood Drive, Bloomington, Indiana 47405-7102, United States
- Department
of Molecular and Cellular Biochemistry, Indiana University, 212 S. Hawthorne Drive, Bloomington, Indiana 47405, United States
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126
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Luna-Sánchez M, Hidalgo-Gutiérrez A, Hildebrandt TM, Chaves-Serrano J, Barriocanal-Casado E, Santos-Fandila Á, Romero M, Sayed RK, Duarte J, Prokisch H, Schuelke M, Distelmaier F, Escames G, Acuña-Castroviejo D, López LC. CoQ deficiency causes disruption of mitochondrial sulfide oxidation, a new pathomechanism associated with this syndrome. EMBO Mol Med 2017; 9:78-95. [PMID: 27856619 PMCID: PMC5210161 DOI: 10.15252/emmm.201606345] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Coenzyme Q (CoQ) is a key component of the mitochondrial respiratory chain, but it also has several other functions in the cellular metabolism. One of them is to function as an electron carrier in the reaction catalyzed by sulfide:quinone oxidoreductase (SQR), which catalyzes the first reaction in the hydrogen sulfide oxidation pathway. Therefore, SQR may be affected by CoQ deficiency. Using human skin fibroblasts and two mouse models with primary CoQ deficiency, we demonstrate that severe CoQ deficiency causes a reduction in SQR levels and activity, which leads to an alteration of mitochondrial sulfide metabolism. In cerebrum of Coq9R239X mice, the deficit in SQR induces an increase in thiosulfate sulfurtransferase and sulfite oxidase, as well as modifications in the levels of thiols. As a result, biosynthetic pathways of glutamate, serotonin, and catecholamines were altered in the cerebrum, and the blood pressure was reduced. Therefore, this study reveals the reduction in SQR activity as one of the pathomechanisms associated with CoQ deficiency syndrome.
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Affiliation(s)
- Marta Luna-Sánchez
- Departmento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada, Spain .,Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Agustín Hidalgo-Gutiérrez
- Departmento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada, Spain.,Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | | | - Julio Chaves-Serrano
- Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Eliana Barriocanal-Casado
- Departmento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada, Spain.,Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | | | - Miguel Romero
- Departmento de Farmacología, Facultad de Farmacia, Instituto de Investigación Biosanitaria de Granada, Universidad de Granada, Granada, Spain
| | - Ramy Ka Sayed
- Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain.,Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt
| | - Juan Duarte
- Departmento de Farmacología, Facultad de Farmacia, Instituto de Investigación Biosanitaria de Granada, Universidad de Granada, Granada, Spain
| | - Holger Prokisch
- Institute of Human Genetics, Technische Universität München, München, Germany
| | - Markus Schuelke
- Department of Neuropediatrics, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Felix Distelmaier
- Department of General Pediatrics, Heinrich-Heine-University, Düsseldorf, Germany
| | - Germaine Escames
- Departmento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada, Spain.,Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Darío Acuña-Castroviejo
- Departmento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada, Spain.,Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Luis C López
- Departmento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada, Spain .,Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
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127
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Zhang D, Du J, Tang C, Huang Y, Jin H. H 2S-Induced Sulfhydration: Biological Function and Detection Methodology. Front Pharmacol 2017; 8:608. [PMID: 28932194 PMCID: PMC5592224 DOI: 10.3389/fphar.2017.00608] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Accepted: 08/22/2017] [Indexed: 12/11/2022] Open
Abstract
At appropriate concentrations, hydrogen sulfide, a well-known gasotransmitter, plays important roles in both physiology and pathophysiology. Increasing evidence suggests that modifying thiol groups of specific cysteines in target proteins via sulfhydration or persulfidation is one of the important mechanisms responsible for the biological functions of hydrogen sulfide. A variety of key proteins of different cellular pathways in mammals have been reported to be sulfhydrated by hydrogen sulfide to participate and regulate the processes of cell survival/death, cell differentiation, cell proliferation/hypertrophy, cellular metabolism, mitochondrial bioenergetics/biogenesis, endoplasmic reticulum stress, vasorelaxtion, inflammation, oxidative stress, etc. Moreover, S-sulfhydration also exerts many biological functions through the cross-talk with other post-translational modifications including phosphorylation, S-nitrosylation and tyrosine nitration. This review summarizes recent studies of hydrogen sulfide-induced sulfhydration as a posttranslational modification, an important biological function of hydrogen sulfide, and sulfhydrated proteins are introduced. Additionally, we discuss the main methods of detecting sulfhydration of proteins.
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Affiliation(s)
- Da Zhang
- Department of Pediatrics, Peking University First HospitalBeijing, China
| | - Junbao Du
- Department of Pediatrics, Peking University First HospitalBeijing, China.,Key Laboratory of Molecular Cardiology, Ministry of EducationBeijing, China
| | - Chaoshu Tang
- Key Laboratory of Molecular Cardiology, Ministry of EducationBeijing, China.,Department of Physiology and Pathophysiology, Peking University Health Science CenterBeijing, China
| | - Yaqian Huang
- Department of Pediatrics, Peking University First HospitalBeijing, China
| | - Hongfang Jin
- Department of Pediatrics, Peking University First HospitalBeijing, China
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128
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Motl N, Skiba MA, Kabil O, Smith JL, Banerjee R. Structural and biochemical analyses indicate that a bacterial persulfide dioxygenase-rhodanese fusion protein functions in sulfur assimilation. J Biol Chem 2017; 292:14026-14038. [PMID: 28684420 PMCID: PMC5572905 DOI: 10.1074/jbc.m117.790170] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 06/26/2017] [Indexed: 11/06/2022] Open
Abstract
Hydrogen sulfide (H2S) is a signaling molecule that is toxic at elevated concentrations. In eukaryotes, it is cleared via a mitochondrial sulfide oxidation pathway, which comprises sulfide quinone oxidoreductase, persulfide dioxygenase (PDO), rhodanese, and sulfite oxidase and converts H2S to thiosulfate and sulfate. Natural fusions between the non-heme iron containing PDO and rhodanese, a thiol sulfurtransferase, exist in some bacteria. However, little is known about the role of the PDO-rhodanese fusion (PRF) proteins in sulfur metabolism. Herein, we report the kinetic properties and the crystal structure of a PRF from the Gram-negative endophytic bacterium Burkholderia phytofirmans The crystal structures of wild-type PRF and a sulfurtransferase-inactivated C314S mutant with and without glutathione were determined at 1.8, 2.4, and 2.7 Å resolution, respectively. We found that the two active sites are distant and do not show evidence of direct communication. The B. phytofirmans PRF exhibited robust PDO activity and preferentially catalyzed sulfur transfer in the direction of thiosulfate to sulfite and glutathione persulfide; sulfur transfer in the reverse direction was detectable only under limited turnover conditions. Together with the kinetic data, our bioinformatics analysis reveals that B. phytofirmans PRF is poised to metabolize thiosulfate to sulfite in a sulfur assimilation pathway rather than in sulfide stress response as seen, for example, with the Staphylococcus aureus PRF or sulfide oxidation and disposal as observed with the homologous mammalian proteins.
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Affiliation(s)
- Nicole Motl
- From the Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109-0600
| | - Meredith A Skiba
- From the Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109-0600; Life Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109
| | - Omer Kabil
- From the Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109-0600
| | - Janet L Smith
- From the Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109-0600; Life Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109
| | - Ruma Banerjee
- From the Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109-0600.
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129
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Shimizu T, Masuda S. Characterization of redox-active cysteine residues of persulfide-responsive transcriptional repressor SqrR. Commun Integr Biol 2017. [PMCID: PMC5595413 DOI: 10.1080/19420889.2017.1329786] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- Takayuki Shimizu
- Graduate School of Bioscience & Biotechnology, Tokyo Institute of Technology, Kanagawa, Japan
| | - Shinji Masuda
- Center for Biological Resources and Informatics, Tokyo Institute of Technology, Kanagawa, Japan
- Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo, Japan
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130
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Giedroc DP. A new player in bacterial sulfide-inducible transcriptional regulation. Mol Microbiol 2017; 105:347-352. [PMID: 28612383 DOI: 10.1111/mmi.13726] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 06/07/2017] [Indexed: 12/28/2022]
Abstract
Although hydrogen sulfide (H2 S) is perhaps best known as a toxic gas, the electron-rich H2 S functions as an energy source and electron donor for chemolithotrophic and photosynthetic bacteria, via sulfide oxidation, and is a universal substrate for cysteine biosynthesis. These distinct harmful and beneficial roles of H2 S suggest the need to 'sense' prevailing concentrations of sulfide and downstream reactive sulfur species (RSS) and regulate the expression of genes mediating sulfide homeostasis. The paper by Li et al. in this issue of Molecular Microbiology adds Cupriavidus FisR to an expanding repertoire of regulatory mechanisms that bacteria have evolved to sense cellular RSS and mitigate their deleterious effects.
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Affiliation(s)
- David P Giedroc
- Department of Chemistry, Indiana University, Bloomington, IN, 47405-7102, USA.,Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, IN, 47405-7102, USA
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131
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Sulfide Homeostasis and Nitroxyl Intersect via Formation of Reactive Sulfur Species in Staphylococcus aureus. mSphere 2017; 2:mSphere00082-17. [PMID: 28656172 PMCID: PMC5480029 DOI: 10.1128/msphere.00082-17] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 06/02/2017] [Indexed: 12/30/2022] Open
Abstract
Hydrogen sulfide (H2S) is a toxic molecule and a recently described gasotransmitter in vertebrates whose function in bacteria is not well understood. In this work, we describe the transcriptomic response of the major human pathogen Staphylococcus aureus to quantified changes in levels of cellular organic reactive sulfur species, which are effector molecules involved in H2S signaling. We show that nitroxyl (HNO), a recently described signaling intermediate proposed to originate from the interplay of H2S and nitric oxide, also induces changes in cellular sulfur speciation and transition metal homeostasis, thus linking sulfide homeostasis to an adaptive response to antimicrobial reactive nitrogen species. Staphylococcus aureus is a commensal human pathogen and a major cause of nosocomial infections. As gaseous signaling molecules, endogenous hydrogen sulfide (H2S) and nitric oxide (NO·) protect S. aureus from antibiotic stress synergistically, which we propose involves the intermediacy of nitroxyl (HNO). Here, we examine the effect of exogenous sulfide and HNO on the transcriptome and the formation of low-molecular-weight (LMW) thiol persulfides of bacillithiol, cysteine, and coenzyme A as representative of reactive sulfur species (RSS) in wild-type and ΔcstR strains of S. aureus. CstR is a per- and polysulfide sensor that controls the expression of a sulfide oxidation and detoxification system. As anticipated, exogenous sulfide induces the cst operon but also indirectly represses much of the CymR regulon which controls cysteine metabolism. A zinc limitation response is also observed, linking sulfide homeostasis to zinc bioavailability. Cellular RSS levels impact the expression of a number of virulence factors, including the exotoxins, particularly apparent in the ΔcstR strain. HNO, like sulfide, induces the cst operon as well as other genes regulated by exogenous sulfide, a finding that is traced to a direct reaction of CstR with HNO and to an endogenous perturbation in cellular RSS, possibly originating from disassembly of Fe-S clusters. More broadly, HNO induces a transcriptomic response to Fe overload, Cu toxicity, and reactive oxygen species and reactive nitrogen species and shares similarity with the sigB regulon. This work reveals an H2S/NO· interplay in S. aureus that impacts transition metal homeostasis and virulence gene expression. IMPORTANCE Hydrogen sulfide (H2S) is a toxic molecule and a recently described gasotransmitter in vertebrates whose function in bacteria is not well understood. In this work, we describe the transcriptomic response of the major human pathogen Staphylococcus aureus to quantified changes in levels of cellular organic reactive sulfur species, which are effector molecules involved in H2S signaling. We show that nitroxyl (HNO), a recently described signaling intermediate proposed to originate from the interplay of H2S and nitric oxide, also induces changes in cellular sulfur speciation and transition metal homeostasis, thus linking sulfide homeostasis to an adaptive response to antimicrobial reactive nitrogen species.
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132
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Yadav V, Gao XH, Willard B, Hatzoglou M, Banerjee R, Kabil O. Hydrogen sulfide modulates eukaryotic translation initiation factor 2α (eIF2α) phosphorylation status in the integrated stress-response pathway. J Biol Chem 2017. [PMID: 28637872 DOI: 10.1074/jbc.m117.778654] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Hydrogen sulfide (H2S) regulates various physiological processes, including neuronal activity, vascular tone, inflammation, and energy metabolism. Moreover, H2S elicits cytoprotective effects against stressors in various cellular models of injury. However, the mechanism of the signaling pathways mediating the cytoprotective functions of H2S is not well understood. We previously uncovered a heme-dependent metabolic switch for transient induction of H2S production in the trans-sulfuration pathway. Here, we demonstrate that increased endogenous H2S production or its exogenous administration modulates major components of the integrated stress response promoting a metabolic state primed for stress response. We show that H2S transiently increases phosphorylation of eukaryotic translation initiation factor 2 (eIF2α) resulting in inhibition of general protein synthesis. The H2S-induced increase in eIF2α phosphorylation was mediated at least in part by inhibition of protein phosphatase-1 (PP1c) via persulfidation at Cys-127. Overexpression of a PP1c cysteine mutant (C127S-PP1c) abrogated the H2S effect on eIF2α phosphorylation. Our data support a model in which H2S exerts its cytoprotective effect on ISR signaling by inducing a transient adaptive reprogramming of global mRNA translation. Although a transient increase in endogenous H2S production provides cytoprotection, its chronic increase such as in cystathionine β-synthase deficiency may pose a problem.
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Affiliation(s)
- Vinita Yadav
- From the Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Xing-Huang Gao
- the Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio 44106, and
| | - Belinda Willard
- the Proteomics and Metabolomics Laboratory, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44106
| | - Maria Hatzoglou
- the Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio 44106, and
| | - Ruma Banerjee
- From the Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Omer Kabil
- From the Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109,
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Duan J, Gaffrey MJ, Qian WJ. Quantitative proteomic characterization of redox-dependent post-translational modifications on protein cysteines. MOLECULAR BIOSYSTEMS 2017; 13:816-829. [PMID: 28357434 PMCID: PMC5493446 DOI: 10.1039/c6mb00861e] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Protein thiols play a crucial role in redox signaling, in the regulation of enzymatic activity and protein function, and in maintaining redox homeostasis in living systems. The unique chemical reactivity of the thiol group makes protein cysteines susceptible to reactions with reactive oxygen and nitrogen species that form various reversible and irreversible post-translational modifications (PTMs). The reversible PTMs in particular are major components of redox signaling and are involved in the regulation of various cellular processes under physiological and pathological conditions. The biological significance of these redox PTMs in both healthy and disease states has been increasingly recognized. Herein, we review recent advances in quantitative proteomic approaches for investigating redox PTMs in complex biological systems, including general considerations of sample processing, chemical or affinity enrichment strategies, and quantitative approaches. We also highlight a number of redox proteomic approaches that enable effective profiling of redox PTMs for specific biological applications. Although technical limitations remain, redox proteomics is paving the way to a better understanding of redox signaling and regulation in both healthy and disease states.
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Affiliation(s)
- Jicheng Duan
- Integrative Omics Group, Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99352, USA.
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134
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Catalytic promiscuity and heme-dependent redox regulation of H 2S synthesis. Curr Opin Chem Biol 2017; 37:115-121. [PMID: 28282633 DOI: 10.1016/j.cbpa.2017.02.021] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 02/19/2017] [Accepted: 02/20/2017] [Indexed: 02/06/2023]
Abstract
The view of enzymes as punctilious catalysts has been shifting as examples of their promiscuous behavior increase. However, unlike a number of cases where the physiological relevance of breached substrate specificity is questionable, the very synthesis of H2S relies on substrate and reaction promiscuity, which presents the enzymes with a multitude of substrate and reaction choices. The transsulfuration pathway, a major source of H2S, is inherently substrate-ambiguous. A heme-regulated switch embedded in the first enzyme in the pathway can help avert the stochastic production of cysteine versus H2S and control switching between metabolic tracks to meet cellular needs. This review discusses the dominant role of enzyme promiscuity in pathways that double as sulfur catabolic and H2S synthetic tracks.
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135
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Guo R, Wu Z, Jiang J, Liu C, Wu B, Li X, Li T, Mo H, He S, Li S, Yan H, Huang R, You Q, Wu K. New mechanism of lipotoxicity in diabetic cardiomyopathy: Deficiency of Endogenous H 2 S Production and ER stress. Mech Ageing Dev 2017; 162:46-52. [DOI: 10.1016/j.mad.2016.11.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 11/01/2016] [Accepted: 11/15/2016] [Indexed: 12/26/2022]
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Shimizu T, Shen J, Fang M, Zhang Y, Hori K, Trinidad JC, Bauer CE, Giedroc DP, Masuda S. Sulfide-responsive transcriptional repressor SqrR functions as a master regulator of sulfide-dependent photosynthesis. Proc Natl Acad Sci U S A 2017; 114:2355-2360. [PMID: 28196888 PMCID: PMC5338557 DOI: 10.1073/pnas.1614133114] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Sulfide was used as an electron donor early in the evolution of photosynthesis, with many extant photosynthetic bacteria still capable of using sulfur compounds such as hydrogen sulfide (H2S) as a photosynthetic electron donor. Although enzymes involved in H2S oxidation have been characterized, mechanisms of regulation of sulfide-dependent photosynthesis have not been elucidated. In this study, we have identified a sulfide-responsive transcriptional repressor, SqrR, that functions as a master regulator of sulfide-dependent gene expression in the purple photosynthetic bacterium Rhodobacter capsulatus SqrR has three cysteine residues, two of which, C41 and C107, are conserved in SqrR homologs from other bacteria. Analysis with liquid chromatography coupled with an electrospray-interface tandem-mass spectrometer reveals that SqrR forms an intramolecular tetrasulfide bond between C41 and C107 when incubated with the sulfur donor glutathione persulfide. SqrR is oxidized in sulfide-stressed cells, and tetrasulfide-cross-linked SqrR binds more weakly to a target promoter relative to unmodified SqrR. C41S and C107S R. capsulatus SqrRs lack the ability to respond to sulfide, and constitutively repress target gene expression in cells. These results establish that SqrR is a sensor of H2S-derived reactive sulfur species that maintain sulfide homeostasis in this photosynthetic bacterium and reveal the mechanism of sulfide-dependent transcriptional derepression of genes involved in sulfide metabolism.
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Affiliation(s)
- Takayuki Shimizu
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Kanagawa 226-8501, Japan
| | - Jiangchuan Shen
- Department of Chemistry, Indiana University, Bloomington, IN 47405-7102
- Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, IN 47405
| | - Mingxu Fang
- Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, IN 47405
| | - Yixiang Zhang
- Department of Chemistry, Indiana University, Bloomington, IN 47405-7102
- Laboratory for Biological Mass Spectrometry, Indiana University, Bloomington, IN 47405-7102
| | - Koichi Hori
- School of Life Science and Technology, Tokyo Institute of Technology, Kanagawa 226-8501, Japan
| | - Jonathan C Trinidad
- Department of Chemistry, Indiana University, Bloomington, IN 47405-7102
- Laboratory for Biological Mass Spectrometry, Indiana University, Bloomington, IN 47405-7102
| | - Carl E Bauer
- Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, IN 47405
| | - David P Giedroc
- Department of Chemistry, Indiana University, Bloomington, IN 47405-7102
- Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, IN 47405
| | - Shinji Masuda
- Center for Biological Resources and Informatics, Tokyo Institute of Technology, Kanagawa 226-8501, Japan;
- Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo 152-8551, Japan
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137
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Nikonorova IA, Al-Baghdadi RJT, Mirek ET, Wang Y, Goudie MP, Wetstein BB, Dixon JL, Hine C, Mitchell JR, Adams CM, Wek RC, Anthony TG. Obesity challenges the hepatoprotective function of the integrated stress response to asparaginase exposure in mice. J Biol Chem 2017; 292:6786-6798. [PMID: 28242759 DOI: 10.1074/jbc.m116.768408] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 02/17/2017] [Indexed: 01/12/2023] Open
Abstract
Obesity increases risk for liver toxicity by the anti-leukemic agent asparaginase, but the mechanism is unknown. Asparaginase activates the integrated stress response (ISR) via sensing amino acid depletion by the eukaryotic initiation factor 2 (eIF2) kinase GCN2. The goal of this work was to discern the impact of obesity, alone versus alongside genetic disruption of the ISR, on mechanisms of liver protection during chronic asparaginase exposure in mice. Following diet-induced obesity, biochemical analysis of livers revealed that asparaginase provoked hepatic steatosis that coincided with activation of another eIF2 kinase PKR-like endoplasmic reticulum kinase (PERK), a major ISR transducer to ER stress. Genetic loss of Gcn2 intensified hepatic PERK activation to asparaginase, yet surprisingly, mRNA levels of key ISR gene targets such as Atf5 and Trib3 failed to increase. Instead, mechanistic target of rapamycin complex 1 (mTORC1) signal transduction was unleashed, and this coincided with liver dysfunction reflected by a failure to maintain hydrogen sulfide production or apolipoprotein B100 (ApoB100) expression. In contrast, obese mice lacking hepatic activating transcription factor 4 (Atf4) showed an exaggerated ISR and greater loss of endogenous hydrogen sulfide but normal inhibition of mTORC1 and maintenance of ApoB100 during asparaginase exposure. In both genetic mouse models, expression and phosphorylation of Sestrin2, an ATF4 gene target, was increased by asparaginase, suggesting mTORC1 inhibition during asparaginase exposure is not driven via eIF2-ATF4-Sestrin2. In conclusion, obesity promotes a maladaptive ISR during asparaginase exposure. GCN2 functions to repress mTORC1 activity and maintain ApoB100 protein levels independently of Atf4 expression, whereas hydrogen sulfide production is promoted via GCN2-ATF4 pathway.
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Affiliation(s)
| | - Rana J T Al-Baghdadi
- the Endocrinology and Animal Biosciences Graduate Program, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08901
| | | | | | | | | | - Joseph L Dixon
- From the Department of Nutritional Sciences, and.,the Rutgers Center for Lipid Research, New Jersey Institute for Food, Nutrition and Health, New Brunswick, New Jersey 08901
| | - Christopher Hine
- the Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115
| | - James R Mitchell
- the Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115
| | - Christopher M Adams
- the Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242, and
| | - Ronald C Wek
- the Department of Biochemistry and Molecular Biology, Indiana University, School of Medicine, Indianapolis, Indiana 46202
| | - Tracy G Anthony
- From the Department of Nutritional Sciences, and .,the Endocrinology and Animal Biosciences Graduate Program, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08901.,the Rutgers Center for Lipid Research, New Jersey Institute for Food, Nutrition and Health, New Brunswick, New Jersey 08901
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138
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Augustyn KDC, Jackson MR, Jorns MS. Use of Tissue Metabolite Analysis and Enzyme Kinetics To Discriminate between Alternate Pathways for Hydrogen Sulfide Metabolism. Biochemistry 2017; 56:986-996. [PMID: 28107627 DOI: 10.1021/acs.biochem.6b01093] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Hydrogen sulfide (H2S) is an endogenously synthesized signaling molecule that is enzymatically metabolized in mitochondria. The metabolism of H2S maintains optimal concentrations of the gasotransmitter and produces sulfane sulfur (S0)-containing metabolites that may be functionally important in signaling. Sulfide:quinone oxidoreductase (SQOR) catalyzes the initial two-electron oxidation of H2S to S0 using coenzyme Q as the electron acceptor in a reaction that requires a third substrate to act as the acceptor of S0. We discovered that sulfite is a highly efficient acceptor and proposed that sulfite is the physiological acceptor in a reaction that produces thiosulfate, a known metabolic intermediate. This model has been challenged by others who assume that the intracellular concentration of sulfite is very low, a scenario postulated to favor reaction of SQOR with a considerably poorer acceptor, glutathione. In this study, we measured the intracellular concentration of sulfite and other metabolites in mammalian tissues. The values observed for sulfite in rat liver (9.2 μM) and heart (38 μM) are orders of magnitude higher than previously assumed. We discovered that the apparent kinetics of oxidation of H2S by SQOR with glutathione as the S0 acceptor reflect contributions from other SQOR-catalyzed reactions, including a novel glutathione:CoQ reductase reaction. We used observed metabolite levels and steady-state kinetic parameters to simulate rates of oxidation of H2S by SQOR at physiological concentrations of different S0 acceptors. The results show that the reaction with sulfite as the S0 acceptor is a major pathway in liver and heart and provide insight into the potential dynamics of H2S metabolism.
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Affiliation(s)
- Kristie D Cox Augustyn
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine , Philadelphia, Pennsylvania 19102, United States
| | - Michael R Jackson
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine , Philadelphia, Pennsylvania 19102, United States
| | - Marilyn Schuman Jorns
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine , Philadelphia, Pennsylvania 19102, United States
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139
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Ziosi M, Di Meo I, Kleiner G, Gao XH, Barca E, Sanchez-Quintero MJ, Tadesse S, Jiang H, Qiao C, Rodenburg RJ, Scalais E, Schuelke M, Willard B, Hatzoglou M, Tiranti V, Quinzii CM. Coenzyme Q deficiency causes impairment of the sulfide oxidation pathway. EMBO Mol Med 2017; 9:96-111. [PMID: 27856618 PMCID: PMC5210092 DOI: 10.15252/emmm.201606356] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 09/15/2016] [Accepted: 10/19/2016] [Indexed: 01/16/2023] Open
Abstract
Coenzyme Q (CoQ) is an electron acceptor for sulfide-quinone reductase (SQR), the first enzyme of the hydrogen sulfide oxidation pathway. Here, we show that lack of CoQ in human skin fibroblasts causes impairment of hydrogen sulfide oxidation, proportional to the residual levels of CoQ. Biochemical and molecular abnormalities are rescued by CoQ supplementation in vitro and recapitulated by pharmacological inhibition of CoQ biosynthesis in skin fibroblasts and ADCK3 depletion in HeLa cells. Kidneys of Pdss2kd/kd mice, which only have ~15% residual CoQ concentrations and are clinically affected, showed (i) reduced protein levels of SQR and downstream enzymes, (ii) accumulation of hydrogen sulfides, and (iii) glutathione depletion. These abnormalities were not present in brain, which maintains ~30% residual CoQ and is clinically unaffected. In Pdss2kd/kd mice, we also observed low levels of plasma and urine thiosulfate and increased blood C4-C6 acylcarnitines. We propose that impairment of the sulfide oxidation pathway induced by decreased levels of CoQ causes accumulation of sulfides and consequent inhibition of short-chain acyl-CoA dehydrogenase and glutathione depletion, which contributes to increased oxidative stress and kidney failure.
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Affiliation(s)
- Marcello Ziosi
- Department of Neurology, Columbia University Medical Center, New York, NY, USA
| | - Ivano Di Meo
- Unit of Molecular Neurogenetics, IRCCS Foundation Neurological Institute "Carlo Besta", Milan, Italy
| | - Giulio Kleiner
- Department of Neurology, Columbia University Medical Center, New York, NY, USA
| | - Xing-Huang Gao
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, OH, USA
| | - Emanuele Barca
- Department of Neurology, Columbia University Medical Center, New York, NY, USA
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | | | - Saba Tadesse
- Department of Neurology, Columbia University Medical Center, New York, NY, USA
| | - Hongfeng Jiang
- Irving Institute for Clinical and Translational Research, Columbia University Medical Center, New York, NY, USA
| | - Changhong Qiao
- Irving Institute for Clinical and Translational Research, Columbia University Medical Center, New York, NY, USA
| | - Richard J Rodenburg
- Department of Pediatrics, Radboud Center for Mitochondrial Medicine (RCMM), RadboudUMC, Nijmegen, The Netherlands
| | - Emmanuel Scalais
- Division of Paediatric Neurology, Department of Paediatrics, Centre Hospitalier de Luxembourg, Luxembourg City, Luxembourg
| | - Markus Schuelke
- Department of Neuropediatrics and NeuroCure Clinical Research Center, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Belinda Willard
- Mass Spectrometry Laboratory for Protein Sequencing, Learner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Maria Hatzoglou
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, OH, USA
| | - Valeria Tiranti
- Unit of Molecular Neurogenetics, IRCCS Foundation Neurological Institute "Carlo Besta", Milan, Italy
| | - Catarina M Quinzii
- Department of Neurology, Columbia University Medical Center, New York, NY, USA
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140
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Redox Signaling Regulated by Cysteine Persulfide and Protein Polysulfidation. Molecules 2016; 21:molecules21121721. [PMID: 27983699 PMCID: PMC6273478 DOI: 10.3390/molecules21121721] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 12/08/2016] [Accepted: 12/09/2016] [Indexed: 12/21/2022] Open
Abstract
For decades, reactive persulfide species including cysteine persulfide (CysSSH) have been known to exist endogenously in organisms. However, the physiological significance of endogenous persulfides remains poorly understood. That cystathionine β-synthase and cystathionine γ-lyase produced CysSSH from cystine was recently demonstrated. An endogenous sulfur transfer system involving CysSSH evidently generates glutathione persulfide (GSSH) that exists at concentrations greater than 100 μM in vivo. Because reactive persulfide species such as CysSSH and GSSH have higher nucleophilicity than parental cysteine (Cys) and glutathione do, these reactive species exhibit strong scavenging activities against oxidants, e.g., hydrogen peroxide, and electrophiles, which contributes to redox signaling regulation. Also, several papers indicated that various proteins and enzymes have Cys polysulfides including CysSSH at their specific Cys residues, which is called protein polysulfidation. Apart from the redox signaling regulatory mechanism, another plausible function of protein polysulfidation is providing protection for protein thiol residues against irreversible chemical modification caused by oxidants and electrophiles. Elucidation of the redox signaling regulatory mechanism of reactive persulfide species including small thiol molecules and thiol-containing proteins should lead to the development of new therapeutic strategies and drug discoveries for oxidative and electrophilic stress-related diseases.
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141
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Davuluri G, Krokowski D, Guan BJ, Kumar A, Thapaliya S, Singh D, Hatzoglou M, Dasarathy S. Metabolic adaptation of skeletal muscle to hyperammonemia drives the beneficial effects of l-leucine in cirrhosis. J Hepatol 2016; 65:929-937. [PMID: 27318325 PMCID: PMC5069194 DOI: 10.1016/j.jhep.2016.06.004] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 06/06/2016] [Accepted: 06/07/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Increased skeletal muscle ammonia uptake with loss of muscle mass adversely affects clinical outcomes in cirrhosis. Hyperammonemia causes reduced protein synthesis and sarcopenia but the cellular responses to impaired proteostasis and molecular mechanism of l-leucine induced adaptation to ammonia induced stress were determined. METHODS Response to activation of amino acid deficiency sensor, GCN2, in the skeletal muscle from cirrhotic patients and the portacaval anastomosis (PCA) rat were quantified. During hyperammonemia and l-leucine supplementation, protein synthesis, phosphorylation of eIF2α, mTORC1 signaling, l-leucine transport and response to l-leucine supplementation were quantified. Adaptation to cellular stress via ATF4 and its target GADD34 were also determined. RESULTS Activation of the eIF2α kinase GCN2 and impaired mTORC1 signaling were observed in skeletal muscle from cirrhotic patients and PCA rats. Ammonia activated GCN2 mediated eIF2α phosphorylation (eIF2α-P) and impaired mTORC1 signaling that inhibit protein synthesis in myotubes and MEFs. Adaptation to ammonia induced stress did not involve translational reprogramming by activation transcription factor 4 (ATF4) dependent induction of the eIF2α-P phosphatase subunit GADD34. Instead, ammonia increased expression of the leucine/glutamine exchanger SLC7A5, l-leucine uptake and intracellular l-leucine levels, the latter not being sufficient to rescue the inhibition of protein synthesis, due to potentially enhanced mitochondrial sequestration of l-leucine. l-leucine supplementation rescued protein synthesis inhibition caused by hyperammonemia. CONCLUSIONS Response to hyperammonemia is reminiscent of the cellular response to amino acid starvation, but lacks the adaptive ATF4 dependent integrated stress response (ISR). Instead, hyperammonemia-induced l-leucine uptake was an adaptive response to the GCN2-mediated decreased protein synthesis. LAY SUMMARY Sarcopenia or skeletal muscle loss is the most frequent complication in cirrhosis but there are no treatments because the cause(s) of muscle loss in liver disease are not known. Results from laboratory experiments in animals and muscle cells were validated in human patients with cirrhosis to show that ammonia plays a key role in causing muscle loss in patients with cirrhosis. We identified a novel stress response to ammonia in the muscle that decreases muscle protein content that can be reversed by supplementation with the amino acid l-leucine.
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Affiliation(s)
- Gangarao Davuluri
- Departments of Pathobiology, Gastroenterology and Hepatology, Cleveland Clinic, Cleveland OH
| | - Dawid Krokowski
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland OH
| | - Bo-Jhih Guan
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland OH
| | - Avinash Kumar
- Departments of Pathobiology, Gastroenterology and Hepatology, Cleveland Clinic, Cleveland OH
| | - Samjhana Thapaliya
- Departments of Pathobiology, Gastroenterology and Hepatology, Cleveland Clinic, Cleveland OH
| | - Dharmvir Singh
- Departments of Pathobiology, Gastroenterology and Hepatology, Cleveland Clinic, Cleveland OH
| | - Maria Hatzoglou
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland OH
| | - Srinivasan Dasarathy
- Departments of Pathobiology, Gastroenterology and Hepatology, Cleveland Clinic, Cleveland OH
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142
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Katsouda A, Bibli SI, Pyriochou A, Szabo C, Papapetropoulos A. Regulation and role of endogenously produced hydrogen sulfide in angiogenesis. Pharmacol Res 2016; 113:175-185. [PMID: 27569706 DOI: 10.1016/j.phrs.2016.08.026] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 08/05/2016] [Accepted: 08/24/2016] [Indexed: 01/16/2023]
Abstract
Recent studies have implicated endogenously produced H2S in the angiogenic process. On one hand, pharmacological inhibition and silencing of the enzymes involved in H2S synthesis attenuate the angiogenic properties of endothelial cells, including proliferation, migration and tube-like structure network formation. On the other hand, enhanced production of H2S by substrate supplementation or over-expression of H2S-producing enzymes leads to enhanced angiogenic responses in cultured endothelial cells. Importantly, H2S up-regulates expression of the key angiogenic factor vascular endothelial growth factor (VEGF) and contributes to the angiogenic signaling in response to VEGF. The signaling pathways mediating H2S-induced angiogenesis include mitogen-activated protein kinases, phosphoinositide-3 kinase, nitric oxide/cGMP-regulated cascades and ATP-sensitive potassium channels. Endogenously produced H2S has also been shown to facilitate neovascularization in prototypical model systems in vivo, and to contribute to wound healing, post-ischemic angiogenesis in the heart and other tissues, as well as in tumor angiogenesis. Targeting of H2S synthesizing enzymes might offer novel therapeutic opportunities for angiogenesis-related diseases.
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Affiliation(s)
- Antonia Katsouda
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece, Greece; Center of Clinical, Experimental Surgery & Translational Research, Biomedical Research Foundation of the Academy of Athens, Greece
| | - Sofia-Iris Bibli
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece, Greece
| | - Anastasia Pyriochou
- Laboratory of Molecular Pharmacology, Department of Pharmacy, University of Patras, Greece
| | - Csaba Szabo
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA
| | - Andreas Papapetropoulos
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece, Greece; Center of Clinical, Experimental Surgery & Translational Research, Biomedical Research Foundation of the Academy of Athens, Greece.
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143
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Longen S, Richter F, Köhler Y, Wittig I, Beck KF, Pfeilschifter J. Quantitative Persulfide Site Identification (qPerS-SID) Reveals Protein Targets of H2S Releasing Donors in Mammalian Cells. Sci Rep 2016; 6:29808. [PMID: 27411966 PMCID: PMC4944133 DOI: 10.1038/srep29808] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 06/21/2016] [Indexed: 12/20/2022] Open
Abstract
H2S is an important signalling molecule involved in diverse biological processes. It mediates the formation of cysteine persulfides (R-S-SH), which affect the activity of target proteins. Like thiols, persulfides show reactivity towards electrophiles and behave similarly to other cysteine modifications in a biotin switch assay. In this manuscript, we report on qPerS-SID a mass spectrometry-based method allowing the isolation of persulfide containing peptides in the mammalian proteome. With this method, we demonstrated that H2S donors differ in their efficacy to induce persulfides in HEK293 cells. Furthermore, data analysis revealed that persulfide formation affects all subcellular compartments and various cellular processes. Negatively charged amino acids appeared more frequently adjacent to cysteines forming persulfides. We confirmed our proteomic data using pyruvate kinase M2 as a model protein and showed that several cysteine residues are prone to persulfide formation finally leading to its inactivation. Taken together, the site-specific identification of persulfides on a proteome scale can help to identify target proteins involved in H2S signalling and enlightens the biology of H2S and its releasing agents.
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Affiliation(s)
- Sebastian Longen
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
| | - Florian Richter
- Functional Proteomics, SFB 815 Core Unit, Goethe University Frankfurt, Frankfurt, Germany
| | - Yvette Köhler
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
| | - Ilka Wittig
- Functional Proteomics, SFB 815 Core Unit, Goethe University Frankfurt, Frankfurt, Germany
| | - Karl-Friedrich Beck
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
| | - Josef Pfeilschifter
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
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144
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Kabil O, Yadav V, Banerjee R. Heme-dependent Metabolite Switching Regulates H2S Synthesis in Response to Endoplasmic Reticulum (ER) Stress. J Biol Chem 2016; 291:16418-16423. [PMID: 27365395 DOI: 10.1074/jbc.c116.742213] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Indexed: 12/31/2022] Open
Abstract
Substrate ambiguity and relaxed reaction specificity underlie the diversity of reactions catalyzed by the transsulfuration pathway enzymes, cystathionine β-synthase (CBS) and γ-cystathionase (CSE). These enzymes either commit sulfur metabolism to cysteine synthesis from homocysteine or utilize cysteine and/or homocysteine for synthesis of H2S, a signaling molecule. We demonstrate that a kinetically controlled heme-dependent metabolite switch in CBS regulates these competing reactions where by cystathionine, the product of CBS, inhibits H2S synthesis by the second enzyme, CSE. Under endoplasmic reticulum stress conditions, induction of CSE and up-regulation of the CBS inhibitor, CO, a product of heme oxygenase-1, flip the operating preference of CSE from cystathionine to cysteine, transiently stimulating H2S production. In contrast, genetic deficiency of CBS leads to chronic stimulation of H2S production. This metabolite switch from cystathionine to cysteine and/or homocysteine renders H2S synthesis by CSE responsive to the known modulators of CBS: S-adenosylmethionine, NO, and CO. Used acutely, it regulates H2S synthesis; used chronically, it might contribute to disease pathology.
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Affiliation(s)
- Omer Kabil
- From the Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Vinita Yadav
- From the Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Ruma Banerjee
- From the Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109
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145
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Fusakio ME, Willy JA, Wang Y, Mirek ET, Al Baghdadi RJT, Adams CM, Anthony TG, Wek RC. Transcription factor ATF4 directs basal and stress-induced gene expression in the unfolded protein response and cholesterol metabolism in the liver. Mol Biol Cell 2016; 27:1536-51. [PMID: 26960794 PMCID: PMC4850040 DOI: 10.1091/mbc.e16-01-0039] [Citation(s) in RCA: 145] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 03/03/2016] [Indexed: 12/22/2022] Open
Abstract
Disturbances in protein folding and membrane compositions in the endoplasmic reticulum (ER) elicit the unfolded protein response (UPR). Each of three UPR sensory proteins-PERK (PEK/EIF2AK3), IRE1, and ATF6-is activated by ER stress. PERK phosphorylation of eIF2 represses global protein synthesis, lowering influx of nascent polypeptides into the stressed ER, coincident with preferential translation of ATF4 (CREB2). In cultured cells, ATF4 induces transcriptional expression of genes directed by the PERK arm of the UPR, including genes involved in amino acid metabolism, resistance to oxidative stress, and the proapoptotic transcription factor CHOP (GADD153/DDIT3). In this study, we characterize whole-body and tissue-specific ATF4-knockout mice and show in liver exposed to ER stress that ATF4 is not required for CHOP expression, but instead ATF6 is a primary inducer. RNA-Seq analysis indicates that ATF4 is responsible for a small portion of the PERK-dependent UPR genes and reveals a requirement for expression of ATF4 for expression of genes involved in oxidative stress response basally and cholesterol metabolism both basally and under stress. Consistent with this pattern of gene expression, loss of ATF4 resulted in enhanced oxidative damage, and increased free cholesterol in liver under stress accompanied by lowered cholesterol in sera.
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Affiliation(s)
- Michael E Fusakio
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202
| | - Jeffrey A Willy
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202
| | - Yongping Wang
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ 08901
| | - Emily T Mirek
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ 08901
| | | | - Christopher M Adams
- Departments of Internal Medicine and Molecular Physiology and Biophysics, University of Iowa, and Iowa City Veterans Affairs Medical Center, Iowa City, IA 52246
| | - Tracy G Anthony
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ 08901
| | - Ronald C Wek
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202
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