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Gorecka-Mazur A, Krygowska-Wajs A, Furgala A, Li J, Misselwitz B, Pietraszko W, Kwinta B, Yilmaz B. Associations between gut microbiota characteristics and non-motor symptoms following pharmacological and surgical treatments in Parkinson's disease patients. Neurogastroenterol Motil 2024; 36:e14846. [PMID: 38873926 DOI: 10.1111/nmo.14846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 04/22/2024] [Accepted: 06/03/2024] [Indexed: 06/15/2024]
Abstract
BACKGROUND The gut microbiota has been implicated in Parkinson's disease (PD), with alterations observed in microbial composition and reduced microbial species richness, which may influence gastrointestinal symptoms in PD patients. It remains to be determined whether the severity of gastrointestinal symptoms correlates with microbiota variations in PD patients treated pharmacologically or with subthalamic nucleus deep brain stimulation (STN-DBS) therapy. This study aims to explore how these treatments affect gut microbiota and gastrointestinal symptoms in PD, identifying specific microbial differences associated with each treatment modality. METHODS A total of 42 individuals diagnosed with PD, along with 38 age-matched household control participants, contributed stool samples for microbiota characterization. Differences in the gut microbiota across various groups of PD patients and their households were identified through comprehensive sequencing of the 16S rRNA gene amplicon sequencing. KEY RESULTS Differences in microbial communities were observed between PD patients and controls, as well as between PD patients receiving pharmacological treatment and those with STN-DBS. Pharmacologically treated advanced PD patients have higher gastrointestinal dysfunctions. Gut microbiota profile linked to STN-DBS and reduced levodopa consumption, characterized by its anti-inflammatory properties, might play a role in diminishing gastrointestinal dysfunction relative to only pharmacological treatments. CONCLUSIONS & INFERENCES Advanced PD patients on medication exhibit more gastrointestinal issues, despite relatively stable microbial diversity, indicating a complex interaction between gut microbiota, PD progression, and treatment effects. An imbalanced gut-brain axis, particularly due to reduced butyrate production, may lead to constipation by affecting the enteric nervous system, which emphasizes the need to incorporate gut microbiome insights into treatment strategies.
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Affiliation(s)
| | - Anna Krygowska-Wajs
- Department of Neurology, Medical College, Jagiellonian University, Kraków, Poland
| | - Agata Furgala
- Department of Pathophysiology, Jagiellonian University, Collegium Medicum, Kraków, Poland
| | - Jiaqi Li
- Department of Visceral Surgery and Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
- Maurice Müller Laboratories, Department for Biomedical Research, University of Bern, Bern, Switzerland
| | - Benjamin Misselwitz
- Department of Visceral Surgery and Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
- Maurice Müller Laboratories, Department for Biomedical Research, University of Bern, Bern, Switzerland
| | - Wojciech Pietraszko
- Department of Neurosurgery and Neurotraumatology, Medical College, Jagiellonian University, Kraków, Poland
| | - Borys Kwinta
- Department of Neurosurgery and Neurotraumatology, Medical College, Jagiellonian University, Kraków, Poland
| | - Bahtiyar Yilmaz
- Department of Visceral Surgery and Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
- Maurice Müller Laboratories, Department for Biomedical Research, University of Bern, Bern, Switzerland
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2
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Su T, Lang Y, Ren J, Yin X, Zhang W, Cui L. Exploring the Relationship Between Sporadic Creutzfeldt-Jakob Disease and Gut Microbiota Through a Mendelian Randomization Study. Mol Neurobiol 2024:10.1007/s12035-024-04376-1. [PMID: 39052184 DOI: 10.1007/s12035-024-04376-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Accepted: 07/17/2024] [Indexed: 07/27/2024]
Abstract
Observational studies have shown gut microbiota changes in sporadic Creutzfeldt-Jakob disease patients, but the causal relationship remains unknown. We aimed to determine any causal links between gut microbiota and this prion disease. Using Mendelian randomization analysis, we examined the causal relationship between gut microbiota composition and sporadic Creutzfeldt-Jakob disease. Data on gut microbiota (N = 18,340) and disease cases (5208) were obtained. Various analysis methods were used, including inverse variance weighted, Mendelian randomization-Egger, weighted median, simple mode, and weighted mode. In addition, MR-PRESSO was used to evaluate horizontal pleiotropy and detect outliers. Pleiotropy and heterogeneity were assessed, and reverse analysis was conducted. Negative associations were found between sporadic Creutzfeldt-Jakob disease and family Defluviitaleaceae, family Ruminococcaceae, genus Butyricicoccus, genus Desulfovibrio, and genus Eubacterium nodatum. Genus Lachnospiraceae UCG010 showed a positive correlation. Reverse analysis indicated genetic associations between the disease and decreased levels of family Peptococcaceae, genus Faecalibacterium, and genus Phascolarctobacterium, as well as increased levels of genus Butyrivibrio. No pleiotropy, heterogeneity, outliers, or weak instrument bias were observed. This study revealed bidirectional causal effects between specific gut microbiota components and sporadic Creutzfeldt-Jakob disease. Certain components demonstrated inhibitory effects on disease pathogenesis, while others were positively associated with the disease. Modulating gut microbiota may provide new insights into prion disease therapies. Further research is needed to clarify mechanisms and explore treatments for sporadic Creutzfeldt-Jakob disease.
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Affiliation(s)
- Tengfei Su
- Department of Neurology, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yue Lang
- Department of Neurology, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Jiaxin Ren
- Department of Neurology, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Xiang Yin
- Department of Neurology, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Weiguanliu Zhang
- Department of Neurology, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Li Cui
- Department of Neurology, The First Hospital of Jilin University, Changchun, Jilin Province, China.
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3
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Myszkowska J, Klotz K, Leandro P, Kruger WD, Froese DS, Baumgartner MR, Spiekerkoetter U, Hannibal L. Real-time detection of enzymatically formed hydrogen sulfide by pathogenic variants of cystathionine beta-synthase using hemoglobin I of Lucina pectinata as a biosensor. Free Radic Biol Med 2024:S0891-5849(24)00577-X. [PMID: 39067625 DOI: 10.1016/j.freeradbiomed.2024.07.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 06/23/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
Classical homocystinuria is a rare disease caused by mutations in cystathionine β-synthase( CBS) gene (OMIM 613381). CBS catalyzes the first step of the transsulfuration pathway that converts homocysteine (Hcy) into cystathionine (Cysta) via a number of co-substrates and mechanisms. Formation of Cysta by condensation of Hcy and cysteine (Cys) produces a molar equivalent of hydrogen sulfide (H2S). H2S plays important roles in cognitive and vascular functions. Clinically, patients with CBS deficiency present with vascular, ocular, neurological and skeletal impairments. Biochemically, CBS deficiency manifests with elevated Hcy and reduced concentration of Cysta in plasma and urine. A number of pathogenic variants of human CBS have been characterized by their residual enzymatic activity, but very few studies have examined H2S production by pathogenic CBS variants, possibly due to technical hurdles in H2S detection and quantification. We describe a method for the real-time, continuous quantification of H2S formed by wild-type and pathogenic variants of human recombinant CBS, as well as by fibroblast extracts from healthy controls and patients diagnosed with CBS deficiency. The method takes advantage of the specificity and high affinity of hemoglobin I of the clam Lucina pectinata toward H2S and is based on UV-visible spectrophotometry. Comparison with the gold-standard, end-point H2S quantification method employing monobromobimane, as well as correlations with CBS enzymatic activity determined by LC-MS/MS showed agreement and correlation, and permitted the direct, time-resolved determination of H2S production rates by purified human recombinant CBS and by CBS present in fibroblast extracts. Rates of H2S production were highest for wild-type CBS, and lower for pathogenic variants. This method enables the examination of structural determinants of CBS that are important for H2S production and its possible relevance to the clinical outcome of patients.
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Affiliation(s)
- Joanna Myszkowska
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany
| | - Katharina Klotz
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany
| | - Paula Leandro
- Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa. Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Warren D Kruger
- Fox Chase Cancer Center, 333 Cottman Ave., Philadelphia, PA 19111, USA
| | - D Sean Froese
- Division of Metabolism and Children's Research Center, University Children's Hospital Zurich, University of Zurich, 8032, Zurich, Switzerland
| | - Matthias R Baumgartner
- Division of Metabolism and Children's Research Center, University Children's Hospital Zurich, University of Zurich, 8032, Zurich, Switzerland
| | - Ute Spiekerkoetter
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany
| | - Luciana Hannibal
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
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4
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Qi Q, Zhang H, Jin Z, Wang C, Xia M, Chen B, Lv B, Peres Diaz L, Li X, Feng R, Qiu M, Li Y, Meseguer D, Zheng X, Wang W, Song W, Huang H, Wu H, Chen L, Schneeberger M, Yu X. Hydrogen sulfide produced by the gut microbiota impairs host metabolism via reducing GLP-1 levels in male mice. Nat Metab 2024:10.1038/s42255-024-01068-x. [PMID: 39030389 DOI: 10.1038/s42255-024-01068-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 05/21/2024] [Indexed: 07/21/2024]
Abstract
Dysbiosis of the gut microbiota has been implicated in the pathogenesis of metabolic syndrome (MetS) and may impair host metabolism through harmful metabolites. Here, we show that Desulfovibrio, an intestinal symbiont enriched in patients with MetS, suppresses the production of the gut hormone glucagon-like peptide 1 (GLP-1) through the production of hydrogen sulfide (H2S) in male mice. Desulfovibrio-derived H2S is found to inhibit mitochondrial respiration and induce the unfolded protein response in intestinal L cells, thereby hindering GLP-1 secretion and gene expression. Remarkably, blocking Desulfovibrio and H2S with an over-the-counter drug, bismuth subsalicylate, improves GLP-1 production and ameliorates diet-induced metabolic disorder in male mice. Together, our study uncovers that Desulfovibrio-derived H2S compromises GLP-1 production, shedding light on the gut-relayed mechanisms by which harmful microbiota-derived metabolites impair host metabolism in MetS and suggesting new possibilities for treating MetS.
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Affiliation(s)
- Qingqing Qi
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
| | - Huijie Zhang
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
| | - Zheyu Jin
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
| | - Changchun Wang
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
| | - Mengyu Xia
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
| | - Bandy Chen
- Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT, USA
| | - Bomin Lv
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
- Human Phenome Institute, Fudan University, Shanghai, China
| | - Ludmila Peres Diaz
- Department of Immunobiology, Institute for Biomolecular Design and Discovery, Yale University School of Medicine, New Haven, CT, USA
| | - Xue Li
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
| | - Ru Feng
- Renji Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mengdi Qiu
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
| | - Yang Li
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - David Meseguer
- Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT, USA
| | - Xiaojiao Zheng
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Wang
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
| | - Wei Song
- Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China
| | - He Huang
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Hao Wu
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China
- Human Phenome Institute, Fudan University, Shanghai, China
| | - Lei Chen
- Renji Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Marc Schneeberger
- Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT, USA.
| | - Xiaofei Yu
- State Key Laboratory of Genetic Engineering, Fudan Microbiome Center, School of Life Sciences, Fudan University, Shanghai, China.
- Shanghai Engineering Research Center of Industrial Microorganisms, Fudan University, Shanghai, China.
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5
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Kanemaru E, Shimoda K, Marutani E, Morita M, Miranda M, Miyazaki Y, Sinow C, Sharma R, Dong F, Bloch DB, Akaike T, Ichinose F. Exclusion of sulfide:quinone oxidoreductase from mitochondria causes Leigh-like disease in mice by impairing sulfide metabolism. J Clin Invest 2024; 134:e170994. [PMID: 38870029 PMCID: PMC11290971 DOI: 10.1172/jci170994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 06/11/2024] [Indexed: 06/15/2024] Open
Abstract
Leigh syndrome is the most common inherited mitochondrial disease in children and is often fatal within the first few years of life. In 2020, mutations in the gene encoding sulfide:quinone oxidoreductase (SQOR), a mitochondrial protein, were identified as a cause of Leigh syndrome. Here, we report that mice with a mutation in the gene encoding SQOR (SqorΔN/ΔN mice), which prevented SQOR from entering mitochondria, had clinical and pathological manifestations of Leigh syndrome. SqorΔN/ΔN mice had increased blood lactate levels that were associated with markedly decreased complex IV activity and increased hydrogen sulfide (H2S) levels. Because H2S is produced by both gut microbiota and host tissue, we tested whether metronidazole (a broad-spectrum antibiotic) or a sulfur-restricted diet rescues SqorΔN/ΔN mice from developing Leigh syndrome. Daily treatment with metronidazole alleviated increased H2S levels, normalized complex IV activity and blood lactate levels, and prolonged the survival of SqorΔN/ΔN mice. Similarly, a sulfur-restricted diet normalized blood lactate levels and inhibited the development of Leigh syndrome. Taken together, these observations suggest that mitochondrial SQOR is essential to prevent systemic accumulation of H2S. Metronidazole administration and a sulfur-restricted diet may be therapeutic approaches to treatment of patients with Leigh syndrome caused by mutations in SQOR.
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Affiliation(s)
- Eiki Kanemaru
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Kakeru Shimoda
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Eizo Marutani
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Masanobu Morita
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Maria Miranda
- Howard Hughes Medical Institute, Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, USA
| | - Yusuke Miyazaki
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Claire Sinow
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Rohit Sharma
- Howard Hughes Medical Institute, Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, USA
| | - Fangcong Dong
- Howard Hughes Medical Institute, Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, USA
| | - Donald B. Bloch
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
- Department of Medicine, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Takaaki Akaike
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Fumito Ichinose
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
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6
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Arturo Tozzi, Minella R. Dynamics and metabolic effects of intestinal gases in healthy humans. Biochimie 2024; 221:81-90. [PMID: 38325747 DOI: 10.1016/j.biochi.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/06/2024] [Accepted: 02/03/2024] [Indexed: 02/09/2024]
Abstract
Many living beings use exogenous and/or endogenous gases to attain evolutionary benefits. We make a comprehensive assessment of one of the major gaseous reservoirs in the human body, i.e., the bowel, providing extensive data that may serve as reference for future studies. We assess the intestinal gases in healthy humans, including their volume, composition, source and local distribution in proximal as well as distal gut. We analyse each one of the most abundant intestinal gases including nitrogen, oxygen, nitric oxide, carbon dioxide, methane, hydrogen, hydrogen sulfide, sulfur dioxide and cyanide. For every gas, we describe diffusive patterns, active trans-barrier transport dynamics, chemical properties, intra-/extra-intestinal metabolic effects mediated by intracellular, extracellular, paracrine and distant actions. Further, we highlight the local and systemic roles of gasotransmitters, i.e., signalling gaseous molecules that can freely diffuse through the intestinal cellular membranes. Yet, we provide testable hypotheses concerning the still unknown effects of some intestinal gases on the myenteric and submucosal neurons.
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Affiliation(s)
- Arturo Tozzi
- Center for Nonlinear Science, Department of Physics, University of North Texas, 1155 Union Circle, #311427, Denton, TX, 76203-5017, USA.
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7
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Longtine AG, Greenberg NT, Bernaldo de Quirós Y, Brunt VE. The gut microbiome as a modulator of arterial function and age-related arterial dysfunction. Am J Physiol Heart Circ Physiol 2024; 326:H986-H1005. [PMID: 38363212 PMCID: PMC11279790 DOI: 10.1152/ajpheart.00764.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/26/2024] [Accepted: 02/13/2024] [Indexed: 02/17/2024]
Abstract
The arterial system is integral to the proper function of all other organs and tissues. Arterial function is impaired with aging, and arterial dysfunction contributes to the development of numerous age-related diseases, including cardiovascular diseases. The gut microbiome has emerged as an important regulator of both normal host physiological function and impairments in function with aging. The purpose of this review is to summarize more recently published literature demonstrating the role of the gut microbiome in supporting normal arterial development and function and in modulating arterial dysfunction with aging in the absence of overt disease. The gut microbiome can be altered due to a variety of exposures, including physiological aging processes. We explore mechanisms by which the gut microbiome may contribute to age-related arterial dysfunction, with a focus on changes in various gut microbiome-related compounds in circulation. In addition, we discuss how modulating circulating levels of these compounds may be a viable therapeutic approach for improving artery function with aging. Finally, we identify and discuss various experimental considerations and research gaps/areas of future research.
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Affiliation(s)
- Abigail G Longtine
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
| | - Nathan T Greenberg
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
| | - Yara Bernaldo de Quirós
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
- Instituto Universitario de Sanidad Animal y Seguridad Alimentaria, Universidad de las Palmas de Gran Canaria, Las Palmas, Spain
| | - Vienna E Brunt
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States
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8
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Hanna DA, Diessl J, Guha A, Kumar R, Andren A, Lyssiotis C, Banerjee R. H 2S preconditioning induces long-lived perturbations in O 2 metabolism. Proc Natl Acad Sci U S A 2024; 121:e2319473121. [PMID: 38478695 PMCID: PMC10962982 DOI: 10.1073/pnas.2319473121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 01/30/2024] [Indexed: 03/26/2024] Open
Abstract
Hydrogen sulfide exposure in moderate doses can induce profound but reversible hypometabolism in mammals. At a cellular level, H2S inhibits the electron transport chain (ETC), augments aerobic glycolysis, and glutamine-dependent carbon utilization via reductive carboxylation; however, the durability of these changes is unknown. We report that despite its volatility, H2S preconditioning increases P50(O2), the O2 pressure for half-maximal cellular respiration, and has pleiotropic effects on oxidative metabolism that persist up to 24 to 48 h later. Notably, cyanide, another complex IV inhibitor, does not induce this type of metabolic memory. Sulfide-mediated prolonged fractional inhibition of complex IV by H2S is modulated by sulfide quinone oxidoreductase, which commits sulfide to oxidative catabolism. Since induced hypometabolism can be beneficial in disease settings that involve insufficient or interrupted blood flow, our study has important implications for attenuating reperfusion-induced ischemic injury and/or prolonging the shelf life of biologics like platelets.
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Affiliation(s)
- David A. Hanna
- Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, MI48109-0600
| | - Jutta Diessl
- Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, MI48109-0600
| | - Arkajit Guha
- Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, MI48109-0600
| | - Roshan Kumar
- Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, MI48109-0600
| | - Anthony Andren
- Department of Molecular and Integrative Physiology, University of Michigan Medical Center, Ann Arbor, MI48109-0600
| | - Costas Lyssiotis
- Department of Molecular and Integrative Physiology, University of Michigan Medical Center, Ann Arbor, MI48109-0600
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI48109-0600
- Department of Rogel Cancer Center, University of Michigan Medical Center, Ann Arbor, MI48109-0600
| | - Ruma Banerjee
- Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, MI48109-0600
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9
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Hill D, Niu Y, Apsey H, Olonisakin O, Palmer RE, Alexander S. Development of CuO/Cu 4(OH) 6SO 4 Nanoparticle Mixtures to Optimize the H 2S Adsorption. ACS APPLIED ENGINEERING MATERIALS 2024; 2:305-312. [PMID: 38419977 PMCID: PMC10897877 DOI: 10.1021/acsaenm.3c00575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 03/02/2024]
Abstract
In this paper, we report the H2S adsorption behavior of a sorbent composed of mixtures of tenorite (CuO) and brochantite [Cu4(OH)6SO4]. These materials are readily prepared through the addition of NaOH(aq) to CuSO4(aq). They can be loaded onto polymer foams to create effective filters that can remove malodorous H2S gas, as evidenced by breakthrough tests. X-ray diffraction shows that the ratio of the two compounds in the mixture can be finely tuned by varying the amount of NaOH(aq) that is added to the reaction mixture. X-ray photoelectron spectroscopy shows that brochantite, like tenorite, has the ability to chemically adsorb H2S. Correlation of the H2S breakthrough data with scanning transmission electron microscopy measurements shows that the most effective sorbents contain nanoscale needle-like particles. These are likely to be formed largely by the tenorite phase. The samples with the greatest H2S adsorption efficacy contained less than 20% tenorite in the mixture, where these particles had the greatest abundance. The application of this sorbent onto porous substrates to create effective filters, along with the synthetic ease of its production, could allow this methodology to find use in a number of areas where H2S poses a problem. This could include areas where protective clothing is required to adsorb the gas from environments where there is a high level of H2S, for example, in wastewater treatment plants, oil and gas wells, or in the medical sector, where it could be deployed as filter media.
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Affiliation(s)
- Donald Hill
- Energy
Safety Research Institute (ESRI), Faculty of Science and Engineering, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, U.K.
| | - Yubiao Niu
- Nanomaterials
Lab, Faculty of Science and Engineering, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, U.K.
| | - Henry Apsey
- Energy
Safety Research Institute (ESRI), Faculty of Science and Engineering, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, U.K.
| | - Omotoke Olonisakin
- Energy
Safety Research Institute (ESRI), Faculty of Science and Engineering, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, U.K.
| | - Richard E. Palmer
- Nanomaterials
Lab, Faculty of Science and Engineering, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, U.K.
| | - Shirin Alexander
- Energy
Safety Research Institute (ESRI), Faculty of Science and Engineering, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, U.K.
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10
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Sun X, Tian S, Yan S, Sun W, Miao J, Yue Y, Han S, Huang S, Xu N, Diao J, Zhou Z, Zhu W. Bifidobacterium mediate gut microbiota-remedied intestinal barrier damage caused by cyproconazole in zebrafish (Danio rerio). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169556. [PMID: 38135070 DOI: 10.1016/j.scitotenv.2023.169556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/14/2023] [Accepted: 12/18/2023] [Indexed: 12/24/2023]
Abstract
The widespread use of cyproconazole (CPZ) enhances food security but may pose potential risks to non-target organisms. Therefore, we applied Multi-omics techniques to reveal the response of the intestinal barrier to CPZ exposure and explore whether the Bifidobacterium intervention experiment can repair the damage. First, we found that exposure to CPZ at environmentally relevant concentrations led to intestinal injury phenotype, significantly down-regulated intestinal protein gene expression, and up-regulated pro-inflammatory gene expression, further causing intestinal dysbacteriosis and metabolic disorders. In particular, by combining analysis of gut microbiota and metabolites, we noticed acetate, a key metabolite, which decreased sharply after exposure to high concentration of CPZ. Expectedly, after supplementing with Bifidobacterium (a core bacterium that produces acetate), we noticed that the acetate content was quickly restored. Further, we also verified that the increase in acetate content after Bifidobacterium supplementation at least partially promoted IL-22 secretion, which in turn stimulated the secretion of β-defensins (zfbd-1, zfbd-2, zfbd-3), thereby repairing the intestinal damage. In conclusion, our work confirms the potential of Bifidobacterium to improve intestinal damage and metabolic dysbiosis caused by CPZ exposure. It provides directional recommendations for the application of probiotics to repair the toxicological risk of pesticide exposure.
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Affiliation(s)
- Xiaoxuan Sun
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Sinuo Tian
- Institute of Quality Standard and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Sen Yan
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Wei Sun
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Jiyan Miao
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Yifan Yue
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Shihang Han
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Shiran Huang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Ning Xu
- Beijing Advanced Innovation Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Jinling Diao
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Zhiqiang Zhou
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Wentao Zhu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
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11
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Li Z, Crook NC. Chips, guts, and gas: unraveling volatile microbial mysteries in real time! Trends Biotechnol 2024; 42:144-146. [PMID: 38158308 DOI: 10.1016/j.tibtech.2023.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/15/2023] [Accepted: 12/15/2023] [Indexed: 01/03/2024]
Abstract
Exploring the gastrointestinal role of hydrogen sulfide (H2S) is difficult because of its volatility and the absence of a precisely controllable model system for manipulating the gut environment. Hayes et al. address this issue by engineering Escherichia coli to titrate H2S levels in a gas-impermeable gut-on-chip device.
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Affiliation(s)
- Zidan Li
- Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27606, USA
| | - Nathan C Crook
- Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27606, USA.
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12
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Villanueva-Millan MJ, Leite G, Morales W, Sanchez M, Parodi G, Weitsman S, Celly S, Cohrs D, Do H, Barlow GM, Mathur R, Rezaie A, Pimentel M. Hydrogen Sulfide Producers Drive a Diarrhea-Like Phenotype and a Methane Producer Drives a Constipation-Like Phenotype in Animal Models. Dig Dis Sci 2024; 69:426-436. [PMID: 38060167 PMCID: PMC10861391 DOI: 10.1007/s10620-023-08197-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 08/23/2023] [Indexed: 12/08/2023]
Abstract
BACKGROUND We recently demonstrated that diarrhea-predominant irritable bowel syndrome (IBS-D) subjects have higher relative abundance (RA) of hydrogen sulfide (H2S)-producing Fusobacterium and Desulfovibrio species, and constipation-predominant IBS (IBS-C) subjects have higher RA of methanogen Methanobrevibacter smithii. AIMS In this study, we investigate the effects of increased methanogens or H2S producers on stool phenotypes in rat models. METHODS Adult Sprague-Dawley rats were fed high-fat diet (HFD) for 60 days to increase M. smithii levels, then gavaged for 10 days with water (controls) or methanogenesis inhibitors. To increase H2S producers, rats were gavaged with F. varium or D. piger. Stool consistency (stool wet weight (SWW)) and gas production were measured. 16S rRNA gene sequencing was performed on stool samples. RESULTS In HFD diet-fed rats (N = 30), stool M. smithii levels were increased (P < 0.001) after 52 days, correlating with significantly decreased SWW (P < 0.0001) at 59 days (R = - 0.38, P = 0.037). Small bowel M. smithii levels decreased significantly in lovastatin lactone-treated rats (P < 0.0006), and SWW increased (normalized) in lovastatin hydroxyacid-treated rats (P = 0.0246), vs. controls (N = 10/group). SWW increased significantly in D. piger-gavaged rats (N = 16) on day 10 (P < 0.0001), and in F. varium-gavaged rats (N = 16) at all timepoints, vs. controls, with increased stool H2S production. 16S sequencing revealed stool microbiota alterations in rats gavaged with H2S producers, with higher relative abundance (RA) of other H2S producers, particularly Lachnospiraceae and Bilophila in F. varium-gavaged rats, and Sutterella in D. piger-gavaged rats. CONCLUSIONS These findings suggest that increased M. smithii levels result in a constipation-like phenotype in a rat model that is partly reversible with methanogenesis inhibitors, whereas gavage with H2S producers D. piger or F. varium results in increased colonization with other H2S producers and diarrhea-like phenotypes. This supports roles for the increased RA of methanogens and H2S producers identified in IBS-C and IBS-D subjects, respectively, in contributing to stool phenotypes.
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Affiliation(s)
- Maria J Villanueva-Millan
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Gabriela Leite
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Walter Morales
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Maritza Sanchez
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Gonzalo Parodi
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Stacy Weitsman
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Shreya Celly
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Daniel Cohrs
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Huongly Do
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Gillian M Barlow
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
| | - Ruchi Mathur
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
- Division of Endocrinology, Diabetes and Metabolism, Cedars-Sinai, Los Angeles, CA, USA
| | - Ali Rezaie
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai, Los Angeles, CA, USA
| | - Mark Pimentel
- Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, 770 N. San Vicente Blvd, Suite G271, West Hollywood, CA, 90069, USA.
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai, Los Angeles, CA, USA.
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Bartman CM, Schiliro M, Nesbitt L, Lee KK, Prakash YS, Pabelick CM. Exogenous hydrogen sulfide attenuates hyperoxia effects on neonatal mouse airways. Am J Physiol Lung Cell Mol Physiol 2024; 326:L52-L64. [PMID: 37987780 PMCID: PMC11279744 DOI: 10.1152/ajplung.00196.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/16/2023] [Accepted: 11/07/2023] [Indexed: 11/22/2023] Open
Abstract
Supplemental O2 remains a necessary intervention for many premature infants (<34 wk gestation). Even moderate hyperoxia (<60% O2) poses a risk for subsequent airway disease, thereby predisposing premature infants to pediatric asthma involving chronic inflammation, airway hyperresponsiveness (AHR), airway remodeling, and airflow obstruction. Moderate hyperoxia promotes AHR via effects on airway smooth muscle (ASM), a cell type that also contributes to impaired bronchodilation and remodeling (proliferation, altered extracellular matrix). Understanding mechanisms by which O2 initiates long-term airway changes in prematurity is critical for therapeutic advancements for wheezing disorders and asthma in babies and children. Immature or dysfunctional antioxidant systems in the underdeveloped lungs of premature infants thereby heightens susceptibility to oxidative stress from O2. The novel gasotransmitter hydrogen sulfide (H2S) is involved in antioxidant defense and has vasodilatory effects with oxidative stress. We previously showed that exogenous H2S exhibits bronchodilatory effects in human developing airway in the context of hyperoxia exposure. Here, we proposed that exogenous H2S would attenuate effects of O2 on airway contractility, thickness, and remodeling in mice exposed to hyperoxia during the neonatal period. Using functional [flexiVent; precision-cut lung slices (PCLS)] and structural (histology; immunofluorescence) analyses, we show that H2S donors mitigate the effects of O2 on developing airway structure and function, with moderate O2 and H2S effects on developing mouse airways showing a sex difference. Our study demonstrates the potential applicability of low-dose H2S toward alleviating the detrimental effects of hyperoxia on the premature lung.NEW & NOTEWORTHY Chronic airway disease is a short- and long-term consequence of premature birth. Understanding effects of O2 exposure during the perinatal period is key to identify targetable mechanisms that initiate and sustain adverse airway changes. Our findings show a beneficial effect of exogenous H2S on developing mouse airway structure and function with notable sex differences. H2S donors alleviate effects of O2 on airway hyperreactivity, contractility, airway smooth muscle thickness, and extracellular matrix deposition.
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Affiliation(s)
- Colleen M Bartman
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, United States
| | - Marta Schiliro
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, United States
- Department of Anesthesiology and Critical Care Medicine, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Lisa Nesbitt
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Kenge K Lee
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Y S Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, United States
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Christina M Pabelick
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, United States
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
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14
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Zhang L, Ma XG. A Comprehensive Review on Biotransformation, Interaction, and Health of Gut Microbiota and Bioactive Components. Comb Chem High Throughput Screen 2024; 27:1551-1565. [PMID: 37916626 DOI: 10.2174/0113862073257733231011072004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 08/25/2023] [Accepted: 09/06/2023] [Indexed: 11/03/2023]
Abstract
BACKGROUND The relationship between gut microbiota and bioactive components has become the research focus in the world. We attempted to clarify the relationship between biotransformation and metabolites of gut microbiota and bioactive components, and explore the metabolic pathway and mechanism of bioactive ingredients in vivo, which will provide an important theoretical basis for the clinical research of bioactive ingredients and rationality of drugs, and also provide an important reference for the development of new drugs with high bioavailability. METHODS The related references of this review on microbiota and bioactive components were collected from both online and offline databases, such as ScienceDirect, PubMed, Elsevier, Willy, SciFinder, Google Scholar, Web of Science, Baidu Scholar, SciHub, Scopus, and CNKI. RESULTS This review summarized the biotransformation of bioactive components under the action of gut microbiota, including flavonoids, terpenoids, phenylpropanoids, alkaloids, steroids, and other compounds. The interaction of bioactive components and gut microbiota is a key link for drug efficacy. Relevant research is crucial to clarify bioactive components and their mechanisms, which involve the complex interaction among bioactive components, gut microbiota, and intestinal epithelial cells. This review also summarized the individualized, precise, and targeted intervention of gut microbiota in the field of intestinal microorganisms from the aspects of dietary fiber, microecological agents, fecal microbiota transplantation, and postbiotics. It will provide an important reference for intestinal microecology in the field of nutrition and health for people. CONCLUSION To sum up, the importance of human gut microbiota in the research of bioactive components metabolism and transformation has attracted the attention of scholars all over the world. It is believed that with the deepening of research, human gut microbiota will be more widely used in the pharmacodynamic basis, drug toxicity relationship, new drug discovery, drug absorption mechanism, and drug transport mechanism in the future.
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Affiliation(s)
- Lin Zhang
- Department of Medical Nursing, Jiyuan Vocational and Technical College, 459000 Jiyuan, Henan, P.R. China
| | - Xiao-Gen Ma
- Department of Medical Nursing, Jiyuan Vocational and Technical College, 459000 Jiyuan, Henan, P.R. China
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15
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Craven H, Erlandsson H, McGuinness D, McGuinness D, Mafra D, Ijaz U, Bergman P, Shiels P, Stenvinkel P. A normative microbiome is not restored following kidney transplantation. Clin Sci (Lond) 2023; 137:1563-1575. [PMID: 37756543 PMCID: PMC10582644 DOI: 10.1042/cs20230779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/22/2023] [Accepted: 09/26/2023] [Indexed: 09/29/2023]
Abstract
Dialysis and kidney transplantation (Ktx) mitigate some of the physiological deficits in chronic kidney disease (CKD), but it remains to be determined if these mitigate microbial dysbiosis and the production of inflammatory microbial metabolites, which contribute significantly to the uraemic phenotype. We have investigated bacterial DNA signatures present in the circulation of CKD patients and those receiving a KTx. Our data are consistent with increasing dysbiosis as CKD progresses, with an accompanying increase in trimethylamine (TMA) producing pathobionts Pseudomonas and Bacillus. Notably, KTx patients displayed a significantly different microbiota compared with CKD5 patients, which surprisingly included further increase in TMA producing Bacillus and loss of salutogenic Lactobacilli. Only two genera (Viellonella and Saccharimonidales) showed significant differences in abundance following KTx that may reflect a reciprocal relationship between TMA producers and utilisers, which supersedes restoration of a normative microbiome. Our metadata analysis confirmed that TMA N-oxide (TMAO) along with one carbon metabolism had significant impact upon both inflammatory burden and the composition of the microbiome. This indicates that these metabolites are key to shaping the uraemic microbiome and might be exploited in the development of dietary intervention strategies to both mitigate the physiological deficits in CKD and enable the restoration of a more salutogenic microbiome.
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Affiliation(s)
- Hannah Craven
- University of Glasgow, College of Medical, Veterinary and Life Sciences, School of Molecular Biosciences, Davidson Bld, Glasgow, U.K
| | - Helen Erlandsson
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Dagmara McGuinness
- University of Glasgow, College of Medical, Veterinary and Life Sciences, School of Molecular Biosciences, Davidson Bld, Glasgow, U.K
| | | | - Denise Mafra
- Fluminense Federal University (UFF), Niterói, RJ, Brazil
| | | | - Peter Bergman
- Department of Laboratory Medicine, Division of Clinical Immunology, Karolinska Institutet, Stockholm, Sweden
- Department of Clinical immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Paul G. Shiels
- University of Glasgow, College of Medical, Veterinary and Life Sciences, School of Molecular Biosciences, Davidson Bld, Glasgow, U.K
| | - Peter Stenvinkel
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
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16
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Hanna DA, Diessl J, Guha A, Kumar R, Andren A, Lyssiotis C, Banerjee R. H 2 S preconditioning induces long-lived perturbations in O 2 metabolism. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.20.563353. [PMID: 37904965 PMCID: PMC10614939 DOI: 10.1101/2023.10.20.563353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Hydrogen sulfide exposure in moderate doses can induce profound but reversible hypometabolism in mammals. At a cellular level, H 2 S inhibits the electron transport chain (ETC), augments aerobic glycolysis, and glutamine-dependent carbon utilization via reductive carboxylation; however, the durability of these changes is unknown. We report that despite its volatility, H 2 S preconditioning increases P 50(O2) , the O 2 pressure for half maximal cellular respiration, and has pleiotropic effects on oxidative metabolism that persist up to 24-48 h later. Notably, cyanide, another complex IV inhibitor, does not induce this type of metabolic memory. Sulfide-mediated prolonged fractional inhibition of complex IV by H 2 S is modulated by sulfide quinone oxidoreductase, which commits sulfide to oxidative catabolism. Since induced hypometabolism can be beneficial in disease settings that involve insufficient or interrupted blood flow, our study has important implications for attenuating reperfusion-induced ischemic injury, and/or prolonging shelf life of biologics like platelets.
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17
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Khan S, Aziz S, Waqas M, Kakar MA, Ahmad S. Targeted vaccine development against Bilophila wadsworthia to curb colon diseases: A multiepitope approach based on reverse vaccinology and computational analysis. Int J Biol Macromol 2023; 250:126002. [PMID: 37506789 DOI: 10.1016/j.ijbiomac.2023.126002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 07/30/2023]
Abstract
The presence of excessive hydrogen sulfide (H2S)-producing bacteria, particularly Bilophila wadsworthia in appendices, is linked to a weaker colonic mucus barrier, inflammatory bowel disease, and colorectal cancer. Thus, targeting this bacterium could reduce sulfide levels and address associated health concerns. Here, we utilized reverse vaccinology and immunoinformatics to design a chimeric vaccine against B. wadsworthia, focusing on membrane-bound and extracellular proteins. Subtractive proteome analysis identified 18 potential vaccine candidates (PVCs), from which six B-cell, eight CD8+ T cell, and six CD4+ T cell epitopes were predicted. Chosen epitopes were assessed for immunological properties and cross-reactivity with human and mouse proteomes. Subsequently, these epitopes were fused with appropriate linkers, PADRE epitope, TAT peptide, and Cholera Toxin B subunit adjuvant to form a robust multi-epitope vaccine (MEV). The MEV's tertiary structure was modelled and validated for reliable analysis. Molecular docking and dynamics simulations demonstrated stable binding of MEV with Toll-like receptor 4. The MEV showed favorable physicochemical characteristics, high expression potential in Escherichia coli, broad population coverage (∼98 %), and cross-protection against different B. wadsworthia strains. Immune simulation suggested induction of strong B and T cell responses, including primary, secondary, and tertiary immune responses. Further experimental studies are necessary to validate these findings.
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Affiliation(s)
- Sara Khan
- Institute of Biotechnology and Genetic Engineering, The University of Agriculture, Peshawar 25130, Pakistan
| | - Shahkaar Aziz
- Institute of Biotechnology and Genetic Engineering, The University of Agriculture, Peshawar 25130, Pakistan
| | - Muhammad Waqas
- Department of Biotechnology and genetic Engineering, Hazara University, Mansehra 21120, Pakistan; Natural and Medical Sciences Research Center, University of Nizwa, Birkat-ul-Mouz 616, Nizwa, Oman
| | | | - Sohail Ahmad
- Institute of Biotechnology and Genetic Engineering, The University of Agriculture, Peshawar 25130, Pakistan.
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18
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Alenezi T, Fu Y, Alrubaye B, Alanazi T, Almansour A, Wang H, Sun X. Potent Bile Acid Microbial Metabolites Modulate Clostridium perfringens Virulence. Pathogens 2023; 12:1202. [PMID: 37887718 PMCID: PMC10610205 DOI: 10.3390/pathogens12101202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/19/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023] Open
Abstract
Clostridium perfringens is a versatile pathogen, inducing diseases in the skin, intestine (such as chicken necrotic enteritis (NE)), and other organs. The classical sign of NE is the foul smell gas in the ballooned small intestine. We hypothesized that deoxycholic acid (DCA) reduced NE by inhibiting C. perfringens virulence signaling pathways. To evaluate the hypothesis, C. perfringens strains CP1 and wild-type (WT) HN13 and its mutants were cultured with different bile acids, including DCA and isoallolithocholic acid (isoalloLCA). Growth, hydrogen sulfide (H2S) production, and virulence gene expression were measured. Notably, isoalloLCA was more potent in reducing growth, H2S production, and virulence gene expression in CP1 and WT HN13 compared to DCA, while other bile acids were less potent compared to DCA. Interestingly, there was a slightly different impact between DCA and isoalloLCA on the growth, H2S production, and virulence gene expression in the three HN13 mutants, suggesting possibly different signaling pathways modulated by the two bile acids. In conclusion, DCA and isoalloLCA reduced C. perfringens virulence by transcriptionally modulating the pathogen signaling pathways. The findings could be used to design new strategies to prevent and treat C. perfringens-induced diseases.
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Affiliation(s)
- Tahrir Alenezi
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (T.A.); (Y.F.); (B.A.); (T.A.); (A.A.); (H.W.)
- Cell and Molecular Biology, University of Arkansas, Fayetteville, AR 72701, USA
- College of Medical Applied Sciences, The Northern Border University, Arar 91431, Saudi Arabia
| | - Ying Fu
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (T.A.); (Y.F.); (B.A.); (T.A.); (A.A.); (H.W.)
| | - Bilal Alrubaye
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (T.A.); (Y.F.); (B.A.); (T.A.); (A.A.); (H.W.)
| | - Thamer Alanazi
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (T.A.); (Y.F.); (B.A.); (T.A.); (A.A.); (H.W.)
- Cell and Molecular Biology, University of Arkansas, Fayetteville, AR 72701, USA
| | - Ayidh Almansour
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (T.A.); (Y.F.); (B.A.); (T.A.); (A.A.); (H.W.)
- Cell and Molecular Biology, University of Arkansas, Fayetteville, AR 72701, USA
| | - Hong Wang
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (T.A.); (Y.F.); (B.A.); (T.A.); (A.A.); (H.W.)
- Cell and Molecular Biology, University of Arkansas, Fayetteville, AR 72701, USA
| | - Xiaolun Sun
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (T.A.); (Y.F.); (B.A.); (T.A.); (A.A.); (H.W.)
- Cell and Molecular Biology, University of Arkansas, Fayetteville, AR 72701, USA
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19
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Ye H, Borusak S, Eberl C, Krasenbrink J, Weiss AS, Chen SC, Hanson BT, Hausmann B, Herbold CW, Pristner M, Zwirzitz B, Warth B, Pjevac P, Schleheck D, Stecher B, Loy A. Ecophysiology and interactions of a taurine-respiring bacterium in the mouse gut. Nat Commun 2023; 14:5533. [PMID: 37723166 PMCID: PMC10507020 DOI: 10.1038/s41467-023-41008-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 08/21/2023] [Indexed: 09/20/2023] Open
Abstract
Taurine-respiring gut bacteria produce H2S with ambivalent impact on host health. We report the isolation and ecophysiological characterization of a taurine-respiring mouse gut bacterium. Taurinivorans muris strain LT0009 represents a new widespread species that differs from the human gut sulfidogen Bilophila wadsworthia in its sulfur metabolism pathways and host distribution. T. muris specializes in taurine respiration in vivo, seemingly unaffected by mouse diet and genotype, but is dependent on other bacteria for release of taurine from bile acids. Colonization of T. muris in gnotobiotic mice increased deconjugation of taurine-conjugated bile acids and transcriptional activity of a sulfur metabolism gene-encoding prophage in other commensals, and slightly decreased the abundance of Salmonella enterica, which showed reduced expression of galactonate catabolism genes. Re-analysis of metagenome data from a previous study further suggested that T. muris can contribute to protection against pathogens by the commensal mouse gut microbiota. Together, we show the realized physiological niche of a key murine gut sulfidogen and its interactions with selected gut microbiota members.
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Affiliation(s)
- Huimin Ye
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Doctoral School in Microbiology and Environmental Science, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
| | - Sabrina Borusak
- Department of Biology and Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany
| | - Claudia Eberl
- Max-von-Pettenkofer Institute, Ludwig Maximilian University Munich, Munich, Germany
| | - Julia Krasenbrink
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Doctoral School in Microbiology and Environmental Science, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
| | - Anna S Weiss
- Max-von-Pettenkofer Institute, Ludwig Maximilian University Munich, Munich, Germany
| | - Song-Can Chen
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
| | - Buck T Hanson
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Austrian Competence Centre for Feed and Food Quality, Safety and Innovation FFoQSI GmbH, Tulln, Austria
- Institute of Food Safety, Food Technology and Veterinary Public Health, University of Veterinary Medicine, Vienna, Austria
| | - Bela Hausmann
- Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Craig W Herbold
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Te Kura Pūtaiao Koiora, School of Biological Sciences, Te Whare Wānanga o Waitaha, University of Canterbury, Christchurch, New Zealand
| | - Manuel Pristner
- Department of Food Chemistry and Toxicology, University of Vienna, Vienna, Austria
| | - Benjamin Zwirzitz
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Austrian Competence Centre for Feed and Food Quality, Safety and Innovation FFoQSI GmbH, Tulln, Austria
- Institute of Food Safety, Food Technology and Veterinary Public Health, University of Veterinary Medicine, Vienna, Austria
- Institute of Food Science, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Benedikt Warth
- Department of Food Chemistry and Toxicology, University of Vienna, Vienna, Austria
- Exposome Austria, Research Infrastructure and National EIRENE Hub, Vienna, Austria
| | - Petra Pjevac
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria
| | - David Schleheck
- Department of Biology and Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany
| | - Bärbel Stecher
- Max-von-Pettenkofer Institute, Ludwig Maximilian University Munich, Munich, Germany
- German Center for Infection Research (DZIF), partner site Ludwig Maximilian University Munich, Munich, Germany
| | - Alexander Loy
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria.
- Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria.
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20
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Camilleri M, BouSaba J. Potential Value of Biomarker-Based Approaches for Evaluation and Management of Costly Functional Gastrointestinal Diseases. Clin Gastroenterol Hepatol 2023; 21:2462-2472. [PMID: 37164114 PMCID: PMC10524924 DOI: 10.1016/j.cgh.2023.04.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/18/2023] [Accepted: 04/24/2023] [Indexed: 05/12/2023]
Affiliation(s)
- Michael Camilleri
- Clinical Enteric Neuroscience Translational and Epidemiological Research, Mayo Clinic, Rochester, Minnesota.
| | - Joelle BouSaba
- Clinical Enteric Neuroscience Translational and Epidemiological Research, Mayo Clinic, Rochester, Minnesota
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21
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Darra A, Singh V, Jena A, Popli P, Nada R, Gupta P, Bhadada SK, Singh AK, Sharma V, Bhattacharya A, Agrawal A, Dutta U. Hyperglycemia is associated with duodenal dysbiosis and altered duodenal microenvironment. Sci Rep 2023; 13:11038. [PMID: 37419941 PMCID: PMC10329043 DOI: 10.1038/s41598-023-37720-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 06/26/2023] [Indexed: 07/09/2023] Open
Abstract
The gut microbiome influences the pathogenesis and course of metabolic disorders such as diabetes. While it is likely that duodenal mucosa associated microbiota contributes to the genesis and progression of increased blood sugar, including the pre-diabetic stage, it is much less studied than stool. We investigated paired stool and duodenal microbiota in subjects with hyperglycemia (HbA1c ≥ 5.7% and fasting plasma glucose > 100 mg/dl) compared to normoglycemic. We found patients with hyperglycemia (n = 33) had higher duodenal bacterial count (p = 0.008), increased pathobionts and reduction in beneficial flora compared to normoglycemic (n = 21). The microenvironment of duodenum was assessed by measuring oxygen saturation using T-Stat, serum inflammatory markers and zonulin for gut permeability. We observed that bacterial overload was correlated with increased serum zonulin (p = 0.061) and higher TNF-α (p = 0.054). Moreover, reduced oxygen saturation (p = 0.021) and a systemic proinflammatory state [increased total leukocyte count (p = 0.031) and reduced IL-10 (p = 0.015)] characterized the duodenum of hyperglycemic. Unlike stool flora, the variability in duodenal bacterial profile was associated with glycemic status and was predicted by bioinformatic analysis to adversely affect nutrient metabolism. Our findings offer new understanding of the compositional changes in the small intestine bacteria by identifying duodenal dysbiosis and altered local metabolism as potentially early events in hyperglycemia.
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Affiliation(s)
- Aarti Darra
- CSIR- Institute of Genomics and Integrative Biology, New Delhi, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Vandana Singh
- CSIR- Institute of Genomics and Integrative Biology, New Delhi, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Anuraag Jena
- Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012, India
| | - Priyanka Popli
- Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012, India
| | - Ritambhra Nada
- Department of Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Pankaj Gupta
- Department of Radiodiagnosis, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sanjay Kumar Bhadada
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Anupam Kumar Singh
- Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012, India
| | - Vishal Sharma
- Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012, India
| | - Anish Bhattacharya
- Department of Nuclear Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Anurag Agrawal
- CSIR- Institute of Genomics and Integrative Biology, New Delhi, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Usha Dutta
- Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012, India.
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22
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Tain YL, Hou CY, Chang-Chien GP, Lin S, Hsu CN. Protection by Means of Perinatal Oral Sodium Thiosulfate Administration against Offspring Hypertension in a Rat Model of Maternal Chronic Kidney Disease. Antioxidants (Basel) 2023; 12:1344. [PMID: 37507884 PMCID: PMC10376339 DOI: 10.3390/antiox12071344] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/08/2023] [Accepted: 06/22/2023] [Indexed: 07/30/2023] Open
Abstract
Hydrogen sulfide (H2S) and related reactive sulfur species are implicated in chronic kidney disease (CKD) and hypertension. Offspring born to CKD-afflicted mothers could develop hypertension coinciding with disrupted H2S and nitric oxide (NO) signaling pathways as well as gut microbiota. Thiosulfate, a precursor of H2S and an antioxidant, has shown anti-hypertensive effects. This study aimed to investigate the protective effects of sodium thiosulfate (STS) in a rat model of maternal CKD-induced hypertension. Before mating, CKD was induced through feeding 0.5% adenine chow for 3 weeks. Mother rats were given a vehicle or STS at a dosage of 2 g/kg/day in drinking water throughout gestation and lactation. Perinatal STS treatment protected 12-week-old offspring from maternal CKD-primed hypertension. The beneficial effects of STS could partially be explained by the enhancement of both H2S and NO signaling pathways and alterations in gut microbiota. Not only increasing beneficial microbes but maternal STS treatment also mediates several hypertension-associated intestinal bacteria. In conclusion, perinatal treatment with STS improves maternal CKD-primed offspring hypertension, suggesting that early-life RSS-targeting interventions have potential preventive and therapeutic benefits, awaiting future translational research.
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Affiliation(s)
- You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- College of Medicine, Chang Gung University, Taoyuan 330, Taiwan
| | - Chih-Yao Hou
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung 811, Taiwan
| | - Guo-Ping Chang-Chien
- Center for Environmental Toxin and Emerging-Contaminant Research, Cheng Shiu University, Kaohsiung 833, Taiwan
- Institute of Environmental Toxin and Emerging-Contaminant, Cheng Shiu University, Kaohsiung 833, Taiwan
- Super Micro Mass Research and Technology Center, Cheng Shiu University, Kaohsiung 833, Taiwan
| | - Sufan Lin
- Center for Environmental Toxin and Emerging-Contaminant Research, Cheng Shiu University, Kaohsiung 833, Taiwan
- Institute of Environmental Toxin and Emerging-Contaminant, Cheng Shiu University, Kaohsiung 833, Taiwan
- Super Micro Mass Research and Technology Center, Cheng Shiu University, Kaohsiung 833, Taiwan
| | - Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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23
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Lyu Z, Hu Y, Guo Y, Liu D. Modulation of bone remodeling by the gut microbiota: a new therapy for osteoporosis. Bone Res 2023; 11:31. [PMID: 37296111 DOI: 10.1038/s41413-023-00264-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 04/01/2023] [Accepted: 04/18/2023] [Indexed: 06/12/2023] Open
Abstract
The gut microbiota (GM) plays a crucial role in maintaining the overall health and well-being of the host. Recent studies have demonstrated that the GM may significantly influence bone metabolism and degenerative skeletal diseases, such as osteoporosis (OP). Interventions targeting GM modification, including probiotics or antibiotics, have been found to affect bone remodeling. This review provides a comprehensive summary of recent research on the role of GM in regulating bone remodeling and seeks to elucidate the regulatory mechanism from various perspectives, such as the interaction with the immune system, interplay with estrogen or parathyroid hormone (PTH), the impact of GM metabolites, and the effect of extracellular vesicles (EVs). Moreover, this review explores the potential of probiotics as a therapeutic approach for OP. The insights presented may contribute to the development of innovative GM-targeted therapies for OP.
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Affiliation(s)
- Zhengtian Lyu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Yongfei Hu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Yuming Guo
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Dan Liu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
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24
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Chen CJ, Cheng MC, Hsu CN, Tain YL. Sulfur-Containing Amino Acids, Hydrogen Sulfide, and Sulfur Compounds on Kidney Health and Disease. Metabolites 2023; 13:688. [PMID: 37367846 DOI: 10.3390/metabo13060688] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/28/2023] Open
Abstract
Hydrogen sulfide (H2S) plays a decisive role in kidney health and disease. H2S can ben synthesized via enzymatic and non-enzymatic pathways, as well as gut microbial origins. Kidney disease can originate in early life induced by various maternal insults throughout the process, namely renal programming. Sulfur-containing amino acids and sulfate are essential in normal pregnancy and fetal development. Dysregulated H2S signaling behind renal programming is linked to deficient nitric oxide, oxidative stress, the aberrant renin-angiotensin-aldosterone system, and gut microbiota dysbiosis. In animal models of renal programming, treatment with sulfur-containing amino acids, N-acetylcysteine, H2S donors, and organosulfur compounds during gestation and lactation could improve offspring's renal outcomes. In this review, we summarize current knowledge regarding sulfide/sulfate implicated in pregnancy and kidney development, current evidence supporting the interactions between H2S signaling and underlying mechanisms of renal programming, and recent advances in the beneficial actions of sulfide-related interventions on the prevention of kidney disease. Modifying H2S signaling is the novel therapeutic and preventive approach to reduce the global burden of kidney disease; however, more work is required to translate this into clinical practice.
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Affiliation(s)
- Chih-Jen Chen
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Ming-Chou Cheng
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
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25
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Aziz S, Waqas M, Iqbal A, Halim SA, Abdellattif MH, Khan A, Al-Harrasi A. Structure-based identification of potential substrate antagonists for isethionate sulfite-lyase enzyme of Bilophila Wadsworthia: Towards novel therapeutic intervention to curb gut-associated illness. Int J Biol Macromol 2023; 240:124428. [PMID: 37062383 DOI: 10.1016/j.ijbiomac.2023.124428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/03/2023] [Accepted: 04/09/2023] [Indexed: 04/18/2023]
Abstract
Bilophila wadsworthia is one of the prominent sources of hydrogen sulfide (H2S) production in appendices, excessive levels of which can result in a weaker colonic mucus barrier, inflammatory bowel disease, and colorectal cancer. Isethionate sulfite-lyase (IslA) enzyme catalyzes H2S production by cleaving CS bond in isethionate, producing acetaldehyde and sulfite. In this study, we aimed to identify potential substrate antagonists for IsIA using a structure-based drug design. Initially, pharmacophore-based computational screening of the ZINC20 database yielded 66 hits that were subjected to molecular docking targeting the isethionate binding site of IsIA. Based on striking docking scores, nine compounds showed strong interaction with critical IsIA residues (Arg189, Gln193, Glu470, Cys468, and Arg678), drug-like features, appropriate adsorption, metabolism, excretion, and excretion profile with non-toxicity. Molecular dynamics simulations uncovered the significant impact of binding the compounds on protein conformational dynamics. Finally, binding free energies revealed substantial binding affinity (ranging from -35.23 to -53.88 kcal/mol) of compounds (ZINC913876497, ZINC913856647, ZINC914263733, ZINC914137795, ZINC915757996, ZINC914357083, ZINC913934833, ZINC9143362047, and ZINC913854740) for IsIA. The compounds proposed herein through a multi-faceted computational strategy can be experimentally validated as potential substrate antagonists of B. wadsworthia's IsIA for developing new medications to curb gut-associated illness in the future.
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Affiliation(s)
- Shahkaar Aziz
- Institute of Biotechnology and Genetic Engineering, The University of Agriculture, Peshawar, Pakistan
| | - Muhammad Waqas
- Department of Biotechnology and Genetic Engineering, Hazara University, Mansehra, Pakistan; Natural and Medical Sciences Research Center, University of Nizwa, Birkat-ul-Mouz, Nizwa, Oman
| | - Aqib Iqbal
- Institute of Biotechnology and Genetic Engineering, The University of Agriculture, Peshawar, Pakistan; Department of Biotechnology, Abdul Wali Khan University Mardan, Mardan, Pakistan.
| | - Sobia Ahsan Halim
- Natural and Medical Sciences Research Center, University of Nizwa, Birkat-ul-Mouz, Nizwa, Oman
| | - Magda H Abdellattif
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Ajmal Khan
- Natural and Medical Sciences Research Center, University of Nizwa, Birkat-ul-Mouz, Nizwa, Oman.
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, Birkat-ul-Mouz, Nizwa, Oman.
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26
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Dordevic D, Capikova J, Dordevic S, Tremlová B, Gajdács M, Kushkevych I. Sulfur content in foods and beverages and its role in human and animal metabolism: A scoping review of recent studies. Heliyon 2023; 9:e15452. [PMID: 37123936 PMCID: PMC10130226 DOI: 10.1016/j.heliyon.2023.e15452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/24/2023] [Accepted: 04/10/2023] [Indexed: 05/02/2023] Open
Abstract
Sulfur is a vital element that all living things require, being a component of proteins and other bio-organic substances. The various kinds and varieties of microbes in nature allow for the transformation of this element. It also should be emphasized that volatile sulfur compounds are typically present in food in trace amounts. Life cannot exist without sulfur, yet it also poses a potential health risk. The colon's sulfur metabolism, which is managed by eukaryotic cells, is much better understood than the S metabolism in gastrointestinal bacteria. Numerous additional microbial processes are anticipated to have an impact on the content and availability of sulfated compounds, as well as intestinal S metabolism. Hydrogen sulfide is the sulfur derivative that has attracted the most attention in relation to colonic health, but it is still unclear whether it is beneficial or harmful. Several lines of evidence suggest that sulfate-reducing bacteria or exogenous hydrogen sulfide may be the root cause of intestinal ailments, including inflammatory bowel diseases and colon cancer. Taurine serves a variety of biological and physiological purposes, including roles in inflammation and protection, additionally, low levels of taurine can be found in bodily fluids, and taurine is the primary sulfur component present in muscle tissue (serum and urine). The aim of this scoping review was to compile data from the most pertinent scientific works about S compounds' existence in food and their metabolic processes. The importance of S compounds in various food products and how these compounds can impact metabolic processes are both stressed in this paper.
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Affiliation(s)
- Dani Dordevic
- Department of Plant Origin Food Sciences, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 612 42, Brno, Czech Republic
| | - Jana Capikova
- Department of Plant Origin Food Sciences, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 612 42, Brno, Czech Republic
| | - Simona Dordevic
- Department of Plant Origin Food Sciences, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 612 42, Brno, Czech Republic
| | - Bohuslava Tremlová
- Department of Plant Origin Food Sciences, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 612 42, Brno, Czech Republic
| | - Márió Gajdács
- Department of Oral Biology and Experimental Dental Research, Faculty of Dentistry, University of Szeged, Tisza Lajos krt. 64-66, 6720, Szeged, Hungary
| | - Ivan Kushkevych
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kamenice 753/5, 62500, Brno, Czech Republic
- Corresponding author.
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27
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Wang X, Wang S, Y F, Yang W, Tang G, Cui M, Xu X. Intraperitoneal injection of β-glucan during the suckling period improved the intestinal health of newly weaned rabbits by enhancing immune responses. Livest Sci 2023. [DOI: 10.1016/j.livsci.2023.105214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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28
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Anese M, Alongi M, Cervantes-Flores M, Simental-Mendía LE, Martínez-Aguilar G, Valenzuela-Ramírez AA, Rojas-Contreras JA, Guerrero-Romero F, Gamboa-Gómez CI. Influence of coffee roasting degree on inflammatory and oxidative stress markers in high-fructose and saturated fat-fed rats. Food Res Int 2023; 165:112530. [PMID: 36869534 DOI: 10.1016/j.foodres.2023.112530] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 01/09/2023] [Accepted: 01/21/2023] [Indexed: 01/30/2023]
Abstract
The objective of this study was to evaluate the effect of roasting coffee degree on inflammatory (NF-kβ F-6 and TNF-α) and stress oxidative markers (malondialdehyde (MDA), nitric oxide (NO) end product concentrations, catalase (CAT), and superoxide dismutase (SOD) in high-fructose and saturated fat (HFSFD)-fed rats. Roasting was performed using hot air circulation (200 °C) for 45 and 60 min, obtaining dark and very dark coffee, respectively. Male Wistar rats were randomly assigned to receive a) unroasted coffee, b) dark coffee, c) very dark coffee, or distilled water for the control group (n = 8). Coffee brews (7.4 mL/per day equivalent to 75 mL/day in humans) were given by gavage for sixteen weeks. All treated groups significantly decreased NF-kβ F-6 (∼30 % for unroasted, ∼50 % for dark, and ∼ 75 % for very dark group) and TNF-α in the liver compared with the control group. Additionally, TNF-α showed a significant reduction in all treatment groups (∼26 % for unroasted and dark groups, and ∼ 39 % for very dark group) in adipose tissue (AT) compared with the negative control. Regarding oxidative stress makers, all coffee brews exerted antioxidant effects in serum, AT, liver, kidney, and heart. Our results revealed that the anti-inflammatory and antioxidant effects of coffee vary according to the roasting degree in HFSFD-fed rats.
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Affiliation(s)
- Monica Anese
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, Via Sondrio 2/A, 33100 Udine, Italy
| | - Marilisa Alongi
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, Via Sondrio 2/A, 33100 Udine, Italy
| | - Maribel Cervantes-Flores
- Faculty of Chemical Sciences, Universidad Juárez del Estado de Durango, Avenida Veterinaria S/N. Col. Valle del Sur. C.P. 34120, Durango, Mexico
| | - Luis E Simental-Mendía
- Biomedical Research Unit, Mexican Social Security Institute at Durango, Canoas 100. Col. Los Ángeles CP 34067, Durango, Mexico
| | - Gerardo Martínez-Aguilar
- Biomedical Research Unit, Mexican Social Security Institute at Durango, Canoas 100. Col. Los Ángeles CP 34067, Durango, Mexico
| | | | - Juan A Rojas-Contreras
- TecNM/Instituto Tecnológico de Durango, Felipe Pescador 1830 Ote., 34080 Durango, Dgo., Mexico
| | - Fernando Guerrero-Romero
- Biomedical Research Unit, Mexican Social Security Institute at Durango, Canoas 100. Col. Los Ángeles CP 34067, Durango, Mexico.
| | - Claudia I Gamboa-Gómez
- Biomedical Research Unit, Mexican Social Security Institute at Durango, Canoas 100. Col. Los Ángeles CP 34067, Durango, Mexico.
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29
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Hodgkinson K, El Abbar F, Dobranowski P, Manoogian J, Butcher J, Figeys D, Mack D, Stintzi A. Butyrate's role in human health and the current progress towards its clinical application to treat gastrointestinal disease. Clin Nutr 2023; 42:61-75. [PMID: 36502573 DOI: 10.1016/j.clnu.2022.10.024] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 10/17/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
Abstract
Butyrate is a key energy source for colonocytes and is produced by the gut microbiota through fermentation of dietary fiber. Butyrate is a histone deacetylase inhibitor and also signals through three G-protein coupled receptors. It is clear that butyrate has an important role in gastrointestinal health and that butyrate levels can impact both host and microbial functions that are intimately coupled with each other. Maintaining optimal butyrate levels improves gastrointestinal health in animal models by supporting colonocyte function, decreasing inflammation, maintaining the gut barrier, and promoting a healthy microbiome. Butyrate has also shown protective actions in the context of intestinal diseases such as inflammatory bowel disease, graft-versus-host disease of the gastrointestinal tract, and colon cancer, whereas lower levels of butyrate and/or the microbes which are responsible for producing this metabolite are associated with disease and poorer health outcomes. However, clinical efforts to increase butyrate levels in humans and reverse these negative outcomes have generated mixed results. This article discusses our current understanding of the molecular mechanisms of butyrate action with a focus on the gastrointestinal system, the links between host and microbial factors, and the efforts that are currently underway to apply the knowledge gained from the bench to bedside.
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Affiliation(s)
- Kendra Hodgkinson
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Faiha El Abbar
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Peter Dobranowski
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Juliana Manoogian
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - James Butcher
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Daniel Figeys
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; School of Pharmaceutical Sciences, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - David Mack
- Department of Paediatrics, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8L1, Canada; Children's Hospital of Eastern Ontario Inflammatory Bowel Disease Centre and Research Institute, Ottawa, ON K1H 8L1, Canada
| | - Alain Stintzi
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada.
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30
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Methanogens and Hydrogen Sulfide Producing Bacteria Guide Distinct Gut Microbe Profiles and Irritable Bowel Syndrome Subtypes. Am J Gastroenterol 2022; 117:2055-2066. [PMID: 36114762 PMCID: PMC9722381 DOI: 10.14309/ajg.0000000000001997] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 08/16/2022] [Indexed: 01/30/2023]
Abstract
INTRODUCTION Irritable bowel syndrome (IBS) includes diarrhea-predominant (IBS-D) and constipation-predominant (IBS-C) subtypes. We combined breath testing and stool microbiome sequencing to identify potential microbial drivers of IBS subtypes. METHODS IBS-C and IBS-D subjects from 2 randomized controlled trials (NCT03763175 and NCT04557215) were included. Baseline breath carbon dioxide, hydrogen (H 2 ), methane (CH 4 ), and hydrogen sulfide (H 2 S) levels were measured by gas chromatography, and baseline stool microbiome composition was analyzed by 16S rRNA sequencing. Microbial metabolic pathways were analyzed using Kyoto Encyclopedia of Genes and Genomes collection databases. RESULTS IBS-C subjects had higher breath CH 4 that correlated with higher gut microbial diversity and higher relative abundance (RA) of stool methanogens, predominantly Methanobrevibacter , as well as higher absolute abundance of Methanobrevibacter smithii in stool. IBS-D subjects had higher breath H 2 that correlated with lower microbial diversity and higher breath H 2 S that correlated with higher RA of H 2 S-producing bacteria, including Fusobacterium and Desulfovibrio spp. The predominant H 2 producers were different in these distinct microtypes, with higher RA of Ruminococcaceae and Christensenellaceae in IBS-C/CH 4 + (which correlated with Methanobacteriaceae RA) and higher Enterobacteriaceae RA in IBS-D. Finally, microbial metabolic pathway analysis revealed enrichment of Kyoto Encyclopedia of Genes and Genomes modules associated with methanogenesis and biosynthesis of methanogenesis cofactor F420 in IBS-C/CH 4 + subjects, whereas modules associated with H 2 S production, including sulfate reduction pathways, were enriched in IBS-D. DISCUSSION Our findings identify distinct gut microtypes linked to breath gas patterns in IBS-C and IBS-D subjects, driven by methanogens such as M. smithii and H 2 S producers such as Fusobacterium and Desulfovibrio spp, respectively.
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Bamboo Salt and Triple Therapy Synergistically Inhibit Helicobacter pylori-Induced Gastritis In Vivo: A Preliminary Study. Int J Mol Sci 2022; 23:ijms232213997. [PMID: 36430475 PMCID: PMC9696544 DOI: 10.3390/ijms232213997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/10/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
Helicobacter pylori infections are a major cause of gastrointestinal disorders, including gastric ulcers, gastritis, and gastric cancer. Triple therapy, using two antibiotics and a proton pump inhibitor, is recommended for the treatment of H. pylori infections. However, antibiotic resistance in H. pylori is an emerging issue. Bamboo salt, a traditional Korean salt made by baking solar sea salt in bamboo barrels, can ameliorate the symptoms of various gastrointestinal diseases. Herein, we compared the anti-H. pylori activity of triple therapy (clarithromycin, metronidazole, and omeprazole), solar salt, and bamboo salt in vivo as a preliminary study. Four-week-old C57BL/6 male mice were inoculated for eight weeks with the H. pylori Sydney Strain 1 (SS-1) and orally administered triple therapy drugs and salts for five days. The transcript levels of the H. pylori-expressed gene CagA and inflammatory cytokines Tnfα and Il-1β significantly decreased in the bamboo salt treated mice than those in the H. pylori-infected control group. This effect was further enhanced by using triple therapy and bamboo salt together. Solar salt caused modest inhibition of H. pylori-induced inflammation. We also demonstrated the synergistic effects of bamboo salt and triple therapy against H. pylori. Thus, bamboo salt may be a potential candidate agent against the treatment of H. pylori-associated gastritis.
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Tain YL, Hou CY, Chang-Chien GP, Lin S, Hsu CN. Perinatal Garlic Oil Supplementation Averts Rat Offspring Hypertension Programmed by Maternal Chronic Kidney Disease. Nutrients 2022; 14:4624. [PMID: 36364887 PMCID: PMC9657312 DOI: 10.3390/nu14214624] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/27/2022] [Accepted: 11/01/2022] [Indexed: 07/30/2023] Open
Abstract
Garlic (Allium sativum) is a functional food, having hydrogen sulfide (H2S)-releasing capacity, which exhibits considerable effects on hypertension and gut microbiota. H2S is strongly associated with hypertension and chronic kidney disease (CKD). Maternal CKD leads to hypertension in adult rat progeny, which was linked to disruption of the gut microbiota. This study validated the benefits of perinatal garlic oil supplementation against offspring hypertension induced by maternal CKD via modulation of H2S signaling, nitric oxide (NO), and the gut microbiota. Before pregnancy, female rats received a 0.5% adenine diet for 3 weeks to develop an animal model to mimic human CKD. Garlic oil (100 mg/kg/day) or vehicle was administered to pregnant rats by oral gavage during gestation and lactation. Perinatal garlic oil supplementation protected against maternal CKD-induced hypertension in offspring at 12 weeks of age. The beneficial effects of garlic oil are associated with enhanced H2S signaling, increased NO bioavailability, and shifts in gut microbiota. Perinatal garlic oil supplementation reduces abundance of genera Variovorax, Nocardia, Sphingomonas, and Rhodococcus. Our findings provide insight into the role of early H2S-targeted intervention as a preventive strategy in hypertension for further translational research.
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Affiliation(s)
- You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- College of Medicine, Chang Gung University, Taoyuan 330, Taiwan
| | - Chih-Yao Hou
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung 811, Taiwan
| | - Guo-Ping Chang-Chien
- Institute of Environmental Toxin and Emerging-Contaminant, Cheng Shiu University, Kaohsiung 833, Taiwan
- Center for Environmental Toxin and Emerging-Contaminant Research, Cheng Shiu University, Kaohsiung 833, Taiwan
- Super Micro Mass Research and Technology Center, Cheng Shiu University, Kaohsiung 833, Taiwan
| | - Sufan Lin
- Institute of Environmental Toxin and Emerging-Contaminant, Cheng Shiu University, Kaohsiung 833, Taiwan
- Center for Environmental Toxin and Emerging-Contaminant Research, Cheng Shiu University, Kaohsiung 833, Taiwan
- Super Micro Mass Research and Technology Center, Cheng Shiu University, Kaohsiung 833, Taiwan
| | - Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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Hydrogen Sulfide Regulates SERCA2a Ubiquitylation via Muscle RING Finger-1 S-Sulfhydration to Affect Cardiac Contractility in db/db Mice. Cells 2022; 11:cells11213465. [DOI: 10.3390/cells11213465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/27/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
Hydrogen sulfide (H2S), as a gasotransmitter, is involved in various pathophysiological processes. Diabetic cardiomyopathy (DCM) is a major complication of diabetes mellitus (DM), which leads to structural and functional abnormalities of the myocardium and eventually causes heart failure (HF). Systolic and diastolic dysfunction are fundamental features of heart failure. SERCA2a, as a key enzyme for calcium transport in the endoplasmic reticulum (ER), affects the process of myocardial relaxation and contraction. H2S can protect the cardiac function against diabetic hearts, however, its mechanisms are unclear. This study found that exogenous H2S affects cellular calcium transport by regulating the H2S/MuRF1/SERCA2a/cardiac contractile pathway. Our results showed that, compared with the db/db mice, exogenous H2S restored the protein expression levels of CSE and SERCA2a, and the activity of SERCA2a, while reducing cytosolic calcium concentrations and MuRF1 expression. We demonstrated that MuRF1 could interact with SERCA2a via co-immunoprecipitation. Using LC-MS/MS protein ubiquitylation analysis, we identified 147 proteins with increased ubiquitination levels, including SERCA2a, in the cardiac tissues of the db/db mice compared with NaHS-treated db/db mice. Our studies further revealed that NaHS administration modified MuRF1 S-sulfhydration and enhanced the activity and expression of SERCA2a. Under hyperglycemia and hyperlipidemia, overexpression of the MuRF1-Cys44 mutant plasmid reduced the S-sulfhydration level of MuRF1 and decreased the ubiquitination level of SERCA2a and the intracellular Ca2+ concentration. These findings suggested that H2S modulates SERCA2a ubiquitination through MuRF1 S-sulfhydration of Cys44 to prevent decreased myocardial contractility due to increased cytosolic calcium.
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Gáll T, Nagy P, Garai D, Potor L, Balla GJ, Balla G, Balla J. Overview on hydrogen sulfide-mediated suppression of vascular calcification and hemoglobin/heme-mediated vascular damage in atherosclerosis. Redox Biol 2022; 57:102504. [PMID: 36240620 PMCID: PMC9576974 DOI: 10.1016/j.redox.2022.102504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 12/04/2022] Open
Abstract
Vulnerable atherosclerotic plaques with hemorrhage considerably contribute to cardiovascular morbidity and mortality. Calcification is the main characteristic of advanced atherosclerotic lesions and calcified aortic valve disease (CAVD). Lyses of red blood cells and hemoglobin (Hb) release occur in human hemorrhagic complicated lesions. During the interaction of cell-free Hb with plaque constituents, Hb is oxidized to ferric and ferryl states accompanied by oxidative changes of the globin moieties and heme release. Accumulation of both ferryl-Hb and metHb has been observed in atherosclerotic plaques. The oxidation hotspots in the globin chain are the cysteine and tyrosine amino acids associated with the generation of Hb dimers, tetramers and polymers. Moreover, fragmentation of Hb occurs leading to the formation of globin-derived peptides. A series of these pro-atherogenic cellular responses can be suppressed by hydrogen sulfide (H2S). Since H2S has been explored to exhibit a wide range of physiologic functions to maintain vascular homeostasis, it is not surprising that H2S may play beneficial effects in the progression of atherosclerosis. In the present review, we summarize the findings about the effects of H2S on atherosclerosis and CAVD with a special emphasis on the oxidation of Hb/heme in atherosclerotic plaque development and vascular calcification.
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Affiliation(s)
- Tamás Gáll
- Division of Nephrology, Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Hungary; ELKH-UD Vascular Pathophysiology Research Group, 11003, University of Debrecen, Hungary; Kálmán Laki Doctoral School, University of Debrecen, Debrecen, Hungary
| | - Péter Nagy
- Department of Molecular Immunology and Toxicology, National Institute of Oncology, Budapest, Hungary; Institute of Oncochemistry, University of Debrecen, Hungary
| | - Dorottya Garai
- Department of Molecular Immunology and Toxicology, National Institute of Oncology, Budapest, Hungary
| | - László Potor
- Division of Nephrology, Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Hungary; ELKH-UD Vascular Pathophysiology Research Group, 11003, University of Debrecen, Hungary; Kálmán Laki Doctoral School, University of Debrecen, Debrecen, Hungary
| | | | - György Balla
- Department of Pediatrics, Faculty of Medicine, University of Debrecen, Hungary; ELKH-UD Vascular Pathophysiology Research Group, 11003, University of Debrecen, Hungary; Kálmán Laki Doctoral School, University of Debrecen, Debrecen, Hungary
| | - József Balla
- Division of Nephrology, Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Hungary; ELKH-UD Vascular Pathophysiology Research Group, 11003, University of Debrecen, Hungary; Kálmán Laki Doctoral School, University of Debrecen, Debrecen, Hungary.
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Genetic Determinants of Hydrogen Sulfide Biosynthesis in Fusobacterium nucleatum Are Required for Bacterial Fitness, Antibiotic Sensitivity, and Virulence. mBio 2022; 13:e0193622. [PMID: 36073813 PMCID: PMC9600241 DOI: 10.1128/mbio.01936-22] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The Gram-negative anaerobe Fusobacterium nucleatum is a major producer of hydrogen sulfide (H2S), a volatile sulfur compound that causes halitosis. Here, we dissected the genetic determinants of H2S production and its role in bacterial fitness and virulence in this important member of the oral microbiome. F. nucleatum possesses four enzymes, CysK1, CysK2, Hly, and MegL, that presumably metabolize l-cysteine to H2S, and CysK1 was previously shown to account for most H2S production in vitro, based on correlations of enzymatic activities with gene expression at mid-log phase. Our molecular studies showed that cysK1 and megL were highly expressed at the late exponential growth phase, concomitant with high-level H2S production, while the expression levels of the other genes remained substantially lower during all growth phases. Although the genetic deletion of cysK1 without supplementation with a CysK1-catalyzed product, lanthionine, caused cell death, the conditional ΔcysK1 mutant and a mutant lacking hly were highly proficient in H2S production. In contrast, a mutant devoid of megL showed drastically reduced H2S production, and a cysK2 mutant showed only minor deficiencies. Intriguingly, the exposure of these mutants to various antibiotics revealed that only the megL mutant displayed altered susceptibility compared to the parental strain: partial sensitivity to nalidixic acid and resistance to kanamycin. Most significantly, the megL mutant was attenuated in virulence in a mouse model of preterm birth, with considerable defects in the spread to amniotic fluid and the colonization of the placenta and fetus. Evidently, the l-methionine γ-lyase MegL is a major H2S-producing enzyme in fusobacterial cells that significantly contributes to fusobacterial virulence and antibiotic susceptibility.
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Thanki KK, Johnson P, Higgins EJ, Maskey M, Phillips C, Dash S, Almenas FA, Govar AA, Tian B, Villéger R, Beswick E, Wang R, Szabo C, Chao C, Pinchuk IV, Hellmich MR, Módis K. Deletion of cystathionine-γ-lyase in bone marrow-derived cells promotes colitis-associated carcinogenesis. Redox Biol 2022; 55:102417. [PMID: 35933902 PMCID: PMC9357841 DOI: 10.1016/j.redox.2022.102417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/27/2022] [Accepted: 07/17/2022] [Indexed: 11/24/2022] Open
Abstract
Ulcerative colitis (UC) is characterized by widespread relapsing inflammation of the colonic mucosa. Colitis-associated cancer (CAC) is one of the most serious complications of a prolonged history of UC. Hydrogen sulfide (H2S) has emerged as an important physiological mediator of gastrointestinal homeostasis, limiting mucosal inflammation and promoting tissue healing in response to injury. Inhibition of cystathionine-γ-lyase (CSE)-dependent H2S production in animal models of UC has been shown to exacerbate colitis and delay tissue repair. It is unknown whether CSE plays a role in CAC, or the downregulation of CSE expression and/or activity promotes CAC development. In humans, we observed a significant decrease in CSE expression in colonic biopsies from patients with UC. Using the dextran sodium sulfate (DSS) model of epithelium injury-induced colitis and global CSE KO mouse strain, we demonstrated that CSE is critical in limiting mucosal inflammation and stimulating epithelial cell proliferation in response to injury. In vitro studies showed that CSE activity stimulates epithelial cell proliferation, basal and cytokine-stimulated cell migration, as well as cytokine regulation of transepithelial permeability. In the azoxymethane (AOM)/DSS model of CAC, the loss of CSE expression accelerated both the development and progression of CAC. The increased tumor multiplicity and severity of CAC observed in CSE-KO mice were associated with reduced levels of mucosal IL-10 expression and increased levels of IL-6. Restoring CSE expression in bone marrow (BM) cells of CSE-KO mice through reciprocal BM transplantation raised mucosal IL-10 expression, decreased IL-6 level, and reduced the number of aberrant crypt foci and tumors in AOM/DSS-treated mice. These studies demonstrate that CSE expression in BM cells plays a critical role in suppressing CAC in mice. Furthermore, the data suggest that the inhibitory effects of CSE on the development of CAC are due, in part, to the modulation of mucosal pro-and anti-inflammatory cytokine expression.
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Affiliation(s)
- Ketan K Thanki
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA.
| | - Paul Johnson
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA.
| | - Edward J Higgins
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA.
| | - Manjit Maskey
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA.
| | - Ches'Nique Phillips
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA.
| | - Swetaleena Dash
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA.
| | | | | | - Bing Tian
- Department of Internal Medicine, University of Texas Medical, Galveston, TX, USA.
| | - Romain Villéger
- Department of Internal Medicine, University of Texas Medical, Galveston, TX, USA.
| | - Ellen Beswick
- Department of Internal Medicine, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, USA.
| | - Rui Wang
- Department of Biology, York University, Toronto, ON, Canada.
| | - Csaba Szabo
- Chair of Pharmacology, Section of Science and Medicine, University of Fribourg, Fribourg, Switzerland.
| | - Celia Chao
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA.
| | - Irina V Pinchuk
- Department of Internal Medicine, University of Texas Medical, Galveston, TX, USA.
| | - Mark R Hellmich
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA.
| | - Katalin Módis
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA.
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Reactive sulfur species and their significance in health and disease. Biosci Rep 2022; 42:231692. [PMID: 36039860 PMCID: PMC9484011 DOI: 10.1042/bsr20221006] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 08/23/2022] [Accepted: 08/25/2022] [Indexed: 11/23/2022] Open
Abstract
Reactive sulfur species (RSS) have been recognized in the last two decades as very important molecules in redox regulation. They are involved in metabolic processes and, in this way, they are responsible for maintenance of health. This review summarizes current information about the essential biological RSS, including H2S, low molecular weight persulfides, protein persulfides as well as organic and inorganic polysulfides, their synthesis, catabolism and chemical reactivity. Moreover, the role of RSS disturbances in various pathologies including vascular diseases, chronic kidney diseases, diabetes mellitus Type 2, neurological diseases, obesity, chronic obstructive pulmonary disease and in the most current problem of COVID-19 is presented. The significance of RSS in aging is also mentioned. Finally, the possibilities of using the precursors of various forms of RSS for therapeutic purposes are discussed.
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Modesto A, Cameron NR, Varghese C, Peters N, Stokes B, Phillips A, Bissett I, O'Grady G. Meta-Analysis of the Composition of Human Intestinal Gases. Dig Dis Sci 2022; 67:3842-3859. [PMID: 34623578 DOI: 10.1007/s10620-021-07254-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 09/13/2021] [Indexed: 12/09/2022]
Abstract
BACKGROUND Understanding intestinal gases volume and composition may contribute to diagnosing digestive diseases and the microbiome's status. This meta-analysis aimed to define the composition of human intestinal gases and changes associated with diet. METHODS Studies were identified by systematic research of the MEDLINE(Ovid), Scopus, and Cochrane databases. Studies that measured the concentration of intestinal gases in healthy adult humans were retrieved. The JBI critical appraisal tool was used to evaluate the risk of bias. The primary outcomes analysed were the concentration of the most prevalent colonic gases. Participants were divided into groups according to dietary fibre content. RESULTS Eleven studies were included. The following gases were identified in similar concentrations across all studies (mean ± standard deviation): nitrogen (65.1 ± 20.89%), oxygen (2.3 ± 0.98%), carbon dioxide (9.9 ± 1.6%), hydrogen (2.9 ± 0.7%), and methane (14.4 ± 3.7%). Differences according to the dietary fibre were observed, with a positive correlation between fibre and volume of gas produced, particularly in fermented gases (carbon dioxide, hydrogen, and methane). DISCUSSION The meta-analysis has found defined concentrations of the five most common gases present in human colonic gas. Limitations included heterogenic methodologies, a low number of participants, and few recent studies. These findings may be helpful in diagnostic applications where colonic gas volume and composition are crucial factors, including functional disorders, microbiome analyses, and bowel perforation diagnostics.
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Affiliation(s)
- Andre Modesto
- Department of Surgery, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, 1023, New Zealand
| | - Nelle-Rose Cameron
- Department of Surgery, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, 1023, New Zealand
| | - Chris Varghese
- Department of Surgery, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, 1023, New Zealand
| | - Nicolas Peters
- Auckland Bioengineering Institute, The University of Auckland, Auckland, 1010, New Zealand
| | - Bruce Stokes
- Auckland Bioengineering Institute, The University of Auckland, Auckland, 1010, New Zealand
| | - Anthony Phillips
- Faculty of Science, The University of Auckland, Auckland, 1010, New Zealand
| | - Ian Bissett
- Department of Surgery, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, 1023, New Zealand
| | - Greg O'Grady
- Department of Surgery, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, 1023, New Zealand. .,Auckland Bioengineering Institute, The University of Auckland, Auckland, 1010, New Zealand.
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Ramírez GA, Keshri J, Vahrson I, Garber AI, Berrang ME, Cox NA, González-Cerón F, Aggrey SE, Oakley BB. Cecal Microbial Hydrogen Cycling Potential Is Linked to Feed Efficiency Phenotypes in Chickens. Front Vet Sci 2022; 9:904698. [PMID: 35799838 PMCID: PMC9255636 DOI: 10.3389/fvets.2022.904698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 05/19/2022] [Indexed: 11/24/2022] Open
Abstract
In chickens, early life exposure to environmental microbes has long-lasting impacts on gastrointestinal (GI) microbiome development and host health and growth, via mechanisms that remain uncharacterized. In this study, we demonstrated that administrating a fecal microbiome transplant (FMT) from adults to day-of-hatch chicks results in significantly higher body mass of birds and decreased residual feed intake (RFI), implying enhanced feed efficiency, at 6 weeks of age. To assess the potential mechanisms through which FMT affects adult bird phenotype, we combined 16 S rRNA gene amplification, metagenomic, and comparative genomic approaches to survey the composition and predicted activities of the resident microbiome of various GI tract segments. Early life FMT exposure had a long-lasting significant effect on the microbial community composition and function of the ceca but not on other GI segments. Within the ceca of 6-week-old FMT birds, hydrogenotrophic microbial lineages and genes were most differentially enriched. The results suggest that thermodynamic regulation in the cecum, in this case via hydrogenotrophic methanogenic and sulfur-cycling lineages, potentially serving as hydrogen sinks, may enhance fermentative efficiency and dietary energy harvest capacity. Our study provides a specific mechanism of action through which early-life microbiome transplants modulate market-relevant phenotypes in poultry and, thereby, may represent a significant advance toward microbiome-focused sustainable agriculture.
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Affiliation(s)
- Gustavo Antonio Ramírez
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA, United States
- Leon H. Charney School of Marine Sciences, Haifa University, Haifa, Israel
| | - Jitendra Keshri
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA, United States
| | - Isabella Vahrson
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA, United States
| | - Arkadiy I. Garber
- School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | - Mark E. Berrang
- Poultry Microbiological Safety and Processing Research Unit, USDA Agricultural Research Service, Athens, GA, United States
| | - Nelson A. Cox
- Poultry Microbiological Safety and Processing Research Unit, USDA Agricultural Research Service, Athens, GA, United States
| | - Fernando González-Cerón
- Departamento de Zootecnia, Chapingo Autonomous University, Estado de Mexico, Mexico
- NutriGenomics Laboratory, Department of Poultry Science, University of Georgia, Athens, GA, United States
| | - Samuel E. Aggrey
- NutriGenomics Laboratory, Department of Poultry Science, University of Georgia, Athens, GA, United States
| | - Brian B. Oakley
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA, United States
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Chen L, Gao Y, Zhao Y, Yang G, Wang C, Zhao Z, Li S. Chondroitin sulfate stimulates the secretion of H 2S by Desulfovibrio to improve insulin sensitivity in NAFLD mice. Int J Biol Macromol 2022; 213:631-638. [PMID: 35667460 DOI: 10.1016/j.ijbiomac.2022.05.195] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/12/2022] [Accepted: 05/30/2022] [Indexed: 01/21/2023]
Abstract
Hydrogen sulfide (H2S) is a bioactive gas regulating insulin secretion and sensitivity, produced by sulfate-reducing bacteria in the gut. The present study investigated the effect of chondroitin sulfate (CS) treatment, which indirectly increased the H2S production on nonalcoholic fatty liver disease (NAFLD). A 7-week CS supplementation had beneficial effects on body weight gain, liver function, hepatic histology, and serum lipid levels. CS could ameliorate diet-induced insulin resistance and improve insulin sensitivity via the AKT pathway, and modulate gut microbiota composition, especially increased the abundance of Desulfovibrio and elevated levels of hydrogen sulfide (H2S). Collectively, these findings suggested that CS treatment was positively correlated with Desulfovibrio in the gut, and the metabolic H2S flowed into the liver via the gut-liver axis, thereby triggering the AKT signaling pathway and improving insulin resistance. Thus, CS-induced alterations in the gut microbiota seem a promising for ameliorating NAFLD.
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Affiliation(s)
- Long Chen
- Institute of Animal Nutrition and Feed, Jilin Academy of Agricultural Sciences, Changchun 130033, PR China
| | - Yansong Gao
- Institute of Agricultural Products Processing Technology, Jilin Academy of Agricultural Sciences/National R&D Center for Milk Processing, Changchun 130033, PR China
| | - Yujuan Zhao
- Institute of Agricultural Products Processing Technology, Jilin Academy of Agricultural Sciences/National R&D Center for Milk Processing, Changchun 130033, PR China
| | - Ge Yang
- Institute of Agricultural Products Processing Technology, Jilin Academy of Agricultural Sciences/National R&D Center for Milk Processing, Changchun 130033, PR China
| | - Chao Wang
- Institute of Agricultural Products Processing Technology, Jilin Academy of Agricultural Sciences/National R&D Center for Milk Processing, Changchun 130033, PR China
| | - Zijian Zhao
- Institute of Agricultural Products Processing Technology, Jilin Academy of Agricultural Sciences/National R&D Center for Milk Processing, Changchun 130033, PR China.
| | - Shengyu Li
- Institute of Agricultural Products Processing Technology, Jilin Academy of Agricultural Sciences/National R&D Center for Milk Processing, Changchun 130033, PR China.
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Moon JS, Hong JH, Jung YJ, Ferrannini E, Nauck MA, Lim S. SGLT-2 inhibitors and GLP-1 receptor agonists in metabolic dysfunction-associated fatty liver disease. Trends Endocrinol Metab 2022; 33:424-442. [PMID: 35491295 DOI: 10.1016/j.tem.2022.03.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/22/2022] [Accepted: 03/11/2022] [Indexed: 02/07/2023]
Abstract
Metabolic dysfunction-associated fatty liver disease (MAFLD) is a chronic condition that affects nearly one billion people globally, characterized by triacylglycerol accumulation in the liver as a consequence of metabolic abnormalities (obesity and impaired glucose regulation). Low-grade inflammation, oxidative stress, mitochondrial dysfunction, and dysbiosis in gut microbiota are involved in the etiology of MAFLD, and both cardiovascular events and hepatic complications are the long-term consequences. In the absence of approved therapies for this condition, sodium-glucose cotransporter 2 inhibitors (SGLT-2 Is) and glucagon-like peptide 1 receptor agonists (GLP-1 RAs) have the specific advantage of lowering body weight and providing cardiovascular benefits. Here, we discuss potential roles for SGLT-2 Is and GLP-1 RAs in the prevention and treatment of intrahepatic triacylglycerol accumulation and associated inflammation and/or fibrosis.
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Affiliation(s)
- Jun Sung Moon
- Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Republic of Korea
| | - Jun Hwa Hong
- Department of Internal Medicine, Eulji University Hospital, School of Medicine, Daejeon, Republic of Korea
| | - Yong Jin Jung
- Department of Internal Medicine, Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | | | - Michael A Nauck
- Diabetes Division, Katholisches Klinikum Bochum, St Josef Hospital (Ruhr-University, Bochum), Bochum, Germany.
| | - Soo Lim
- Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam, Republic of Korea.
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42
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Ni SJ, Yao ZY, Wei X, Heng X, Qu SY, Zhao X, Qi YY, Ge PY, Xu CP, Yang NY, Cao Y, Zhu HX, Guo R, Zhang QC. Vagus nerve stimulated by microbiota-derived hydrogen sulfide mediates the regulation of berberine on microglia in transient middle cerebral artery occlusion rats. Phytother Res 2022; 36:2964-2981. [PMID: 35583808 DOI: 10.1002/ptr.7490] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 03/08/2022] [Accepted: 04/19/2022] [Indexed: 11/05/2022]
Abstract
Amelioration of neuroinflammation via modulating microglia is a promising approach for cerebral ischemia therapy. The aim of the present study was to explore gut-brain axis signals in berberine-modulating microglia polarization following cerebral ischemia. The potential pathway was determined through analyzing the activation of the vagus nerve, hydrogen sulfide (H2 S) metabolism, and cysteine persulfides of transient receptor potential vanilloid 1 (TRPV1) receptor. The cerebral microenvironment feature was explored with a metabolomics assay. The data indicated that berberine ameliorated behavioral deficiency in transient middle cerebral artery occlusion rats through modulating microglia polarization and neuroinflammation depending on microbiota. Enhanced vagus nerve activity following berberine treatment was blocked by antibiotic cocktails, capsazepine, or sodium molybdate, respectively. Berberine-induced H2 S production was responsible for vagus nerve stimulation achieved through assimilatory and dissimilatory sulfate reduction with increased synthetic enzymes. Sulfation of the TRPV1 receptor resulted in vagus nerve activation and promoted the c-fos and ChAT in the nucleus tractus solitaries with berberine. Sphingolipid metabolism is the primary metabolic characteristic with berberine in the cerebral cortex, hippocampus, and cerebral spinal fluid disrupted by antibiotics. Berberine, in conclusion, modulates microglia polarization in a microbiota-dependent manner. H2 S stimulates the vagus nerve through TRPV1 is responsible for the berberine-induced gut-brain axis signal transmission. Sphingolipid metabolism might mediate the neuroinflammation amelioration following vagus afferent fiber activation.
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Affiliation(s)
- Sai-Jia Ni
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Zeng-Ying Yao
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaotong Wei
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xia Heng
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing, China
| | - Shu-Yue Qu
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xin Zhao
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yi-Yu Qi
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ping-Yuan Ge
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing, China
| | - Cai-Ping Xu
- Nanjing Sinolife Bio-tech Co., Ltd, Nanjing, China
| | - Nian-Yun Yang
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yi Cao
- Institute of Literature in Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Hua-Xu Zhu
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing, China
| | - Rui Guo
- School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Qi-Chun Zhang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
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43
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Jangid A, Fukuda S, Suzuki Y, Taylor TD, Ohno H, Prakash T. Shotgun metagenomic sequencing revealed the prebiotic potential of a grain-based diet in mice. Sci Rep 2022; 12:6748. [PMID: 35468931 PMCID: PMC9038746 DOI: 10.1038/s41598-022-10762-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 04/06/2022] [Indexed: 12/12/2022] Open
Abstract
In the present study, we elucidated the effect of grain-based (GB) diet containing both soluble and insoluble fibers and purified ingredients-based (PIB) diet containing only insoluble fiber, namely cellulose on mice gut microbiome using whole shotgun based metagenomic sequencing. Although the fiber content in both diet types is the same (5%) the presence of soluble fiber only in the GB diet differentiates it from the PIB diet. The taxonomic analysis of sequenced reads reveals a significantly higher enrichment of probiotic Lactobacilli in the GB group as compared to the PIB group. Further, the enhancement of energy expensive cellular processes namely, cell cycle control, cell division, chromosome partitioning, and transcription is observed in the GB group which could be due to the metabolization of the soluble fiber for faster energy production. In contrast, a higher abundance of cellulolytic bacterial community namely, the members of family Lachnospiraceae and Ruminococcaceae and the metabolism functions are found in the PIB group. The PIB group shows a significant increase in host-derived oligosaccharide metabolism functions indicating that they might first target the host-derived oligosaccharides and self-stored glycogen in addition to utilising the available cellulose. In addition to the beneficial microbial community variations, both the groups also exhibited an increased abundance of opportunistic pathobionts which could be due to an overall low amount of fiber in the diet. Furthermore, backtracing analysis identified probiotic members of Lactobacillus, viz., L. crispatus ST1, L. fermentum CECT 5716, L. gasseri ATCC 33323, L. johnsonii NCC 533 and L. reuteri 100-23 in the GB group, while Bilophila wadsworthia 3_1_6, Desulfovibrio piger ATCC 29098, Clostridium symbiosum WAL-14163, and Ruminococcaceae bacterium D16 in the PIB group. These data suggest that Lactobacilli, a probiotic community of microorganisms, are the predominant functional contributors in the gut of GB diet-fed mice, whereas pathobionts too coexisted with commensals in the gut microbiome of the PIB group. Thus at 5% fiber, GB modifies the gut microbial ecology more effectively than PIB and the inclusion of soluble fiber in the GB diet may be one of the primary factors responsible for this impact.
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Affiliation(s)
- Aditi Jangid
- BioX Centre and School of Basic Sciences, Indian Institute of Technology Mandi, Kamand, Mandi, Himachal Pradesh, 175005, India
| | - Shinji Fukuda
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Yamagata, 997-0052, Japan.,Laboratory for Intestinal Ecosystem, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan.,Gut Environmental Design Group, Kanagawa Institute of Industrial Science and Technology, Kawasaki, Kanagawa, 210-0821, Japan.,Transborder Medical Research Center, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yutaka Suzuki
- Department of Computational Biology and Medical Sciences, The University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa, Chiba, 277-8562, Japan
| | - Todd D Taylor
- Laboratory for Microbiome Sciences, RIKEN Center for Integrative Medical Sciences, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Hiroshi Ohno
- Laboratory for Intestinal Ecosystem, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan.,Gut Environmental Design Group, Kanagawa Institute of Industrial Science and Technology, Kawasaki, Kanagawa, 210-0821, Japan
| | - Tulika Prakash
- BioX Centre and School of Basic Sciences, Indian Institute of Technology Mandi, Kamand, Mandi, Himachal Pradesh, 175005, India. .,Laboratory for Microbiome Sciences, RIKEN Center for Integrative Medical Sciences, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan.
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44
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Rodríguez-Romero JDJ, Durán-Castañeda AC, Cárdenas-Castro AP, Sánchez-Burgos JA, Zamora-Gasga VM, Sáyago-Ayerdi SG. What we know about protein gut metabolites: Implications and insights for human health and diseases. Food Chem X 2022; 13:100195. [PMID: 35499004 PMCID: PMC9039920 DOI: 10.1016/j.fochx.2021.100195] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/10/2021] [Accepted: 12/22/2021] [Indexed: 12/18/2022] Open
Abstract
Gut microbiota is a complex ecosystem of symbiotic bacteria that contribute to human metabolism and supply intestinal metabolites, whose production is mainly influenced by the diet. Dietary patterns characterized by a high intake of protein promotes the growth of proteolytic bacteria's, which produce metabolites from undigested protein fermentation. Microbioal protein metabolites can regulate immune, metabolic and neuronal responses in different target organs. Metabolic pathways of these compounds and their mechanisms of action on different pathologies can lead to the discovery of new diagnostic techniques, drugs and the potential use as functional ingredients in food. This review discusses the potential mechanisms by which amino acid catabolism is involved in microbial protein metabolites. In addition, results from several studies on the association of products from the intestinal metabolism of indigestible proteins and the state of health or disease of the host are revised.
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Affiliation(s)
- José de Jesús Rodríguez-Romero
- Tecnológico Nacional de México, Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, División de Estudios de Posgrado, Av. Tecnológico No 2595, Col. Lagos del Country CP 63175, Tepic, Nayarit, México
| | - Alba Cecilia Durán-Castañeda
- Tecnológico Nacional de México, Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, División de Estudios de Posgrado, Av. Tecnológico No 2595, Col. Lagos del Country CP 63175, Tepic, Nayarit, México
| | - Alicia Paulina Cárdenas-Castro
- Tecnológico Nacional de México, Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, División de Estudios de Posgrado, Av. Tecnológico No 2595, Col. Lagos del Country CP 63175, Tepic, Nayarit, México
| | - Jorge Alberto Sánchez-Burgos
- Tecnológico Nacional de México, Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, División de Estudios de Posgrado, Av. Tecnológico No 2595, Col. Lagos del Country CP 63175, Tepic, Nayarit, México
| | - Victor Manuel Zamora-Gasga
- Tecnológico Nacional de México, Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, División de Estudios de Posgrado, Av. Tecnológico No 2595, Col. Lagos del Country CP 63175, Tepic, Nayarit, México
| | - Sonia Guadalupe Sáyago-Ayerdi
- Tecnológico Nacional de México, Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, División de Estudios de Posgrado, Av. Tecnológico No 2595, Col. Lagos del Country CP 63175, Tepic, Nayarit, México
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45
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Głowacka U, Magierowska K, Wójcik D, Hankus J, Szetela M, Cieszkowski J, Korbut E, Danielak A, Surmiak M, Chmura A, Wallace JL, Magierowski M. Microbiome Profile and Molecular Pathways Alterations in Gastrointestinal Tract by Hydrogen Sulfide-Releasing Nonsteroidal Anti-Inflammatory Drug (ATB-352): Insight into Possible Safer Polypharmacy. Antioxid Redox Signal 2022; 36:189-210. [PMID: 33678013 DOI: 10.1089/ars.2020.8240] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Aims: Nonsteroidal anti-inflammatory drugs, including ketoprofen, induce adverse effects within the gastrointestinal (GI)-tract. Hydrogen sulfide (H2S) is an antioxidative gaseous mediator contributing to GI-protection. We aimed to evaluate the GI safety of a novel H2S-releasing derivative of ketoprofen (ATB-352) versus classic ketoprofen and the molecular mechanisms of their activity after chronic treatment in experimental animal models. Results: Ketoprofen (10 mg/kg/day) administered intragastrically for 7 days in contrast with ATB-352 (14 mg/kg/day) reduced mucosal H2S content inducing GI damage with significantly increased injury score, altered intestinal microbiome profile, and modulation of more than 50% of 36 investigated molecular sensors (e.g., mammalian target of rapamycin or suppressor of cytokine signaling 3 [SOCS3]). Polypharmacy with aspirin (10 mg/kg/day) enhanced ketoprofen toxicity not affecting GI safety of ATB-352. Omeprazole (20 mg/kg/day) decreased ketoprofen-induced injury to the level of ATB-352 alone. Both compounds combined or not with aspirin or omeprazole maintained the ability to inhibit cyclooxygenase (COX) activity manifested by decreased prostaglandin production. Innovation and Conclusions: Ketoprofen-induced H2S-production decrease and intestinal microbiome profile alterations lead to GI toxicity observed on macro-/microscopic and molecular levels. Ketoprofen but not ATB-352 requires concomitant treatment with omeprazole to eliminate GI adverse effects. ATB-352 applied alone or in a polypharmacy setting with aspirin effectively inhibited COX and maintained GI safety due to H2S-release. Neither compound affected DNA oxidation in the GI mucosa, but ATB-352 had lower impact on molecular oxidative/inflammatory response pathways and intestinal microbiome. The GI safety of ATB-352 could be due to the involvement of heme oxygenase 1 and SOCS3 pathway activation. Antioxid. Redox Signal. 36, 189-210.
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Affiliation(s)
- Urszula Głowacka
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | | | - Dagmara Wójcik
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Jerzy Hankus
- Department of Pathomorphology, Jagiellonian University Medical College, Cracow, Poland
| | - Małgorzata Szetela
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Jakub Cieszkowski
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Edyta Korbut
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Aleksandra Danielak
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Marcin Surmiak
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland.,Department of Internal Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Anna Chmura
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - John L Wallace
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
| | - Marcin Magierowski
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
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46
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Buret AG, Allain T, Motta JP, Wallace JL. Effects of Hydrogen Sulfide on the Microbiome: From Toxicity to Therapy. Antioxid Redox Signal 2022; 36:211-219. [PMID: 33691464 PMCID: PMC8861923 DOI: 10.1089/ars.2021.0004] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Significance: Hydrogen sulfide (H2S), an important regulator of physiology and health, helps resolve inflammation and promotes tissue repair in the gastrointestinal tract. Recent Advances: Gut microbiota live as a multispecies biofilm in close interaction with the upper mucus layer lining the epithelium. The relative abundance, spatial organization, and function of these microorganisms affect a broad range of health outcomes. This article provides a state-of-the-art review of our understanding of the cross talk between H2S, the gut microbiota, and health. H2S can have toxic or therapeutic effects, depending on its concentration and source. When produced at excessive concentrations by local microbiota, H2S may cause mucus disruption and inflammation and contribute to development of cancer. In contrast, low levels of endogenous or exogenous H2S directly stabilize mucus layers, prevent fragmentation and adherence of the microbiota biofilm to the epithelium, inhibit the release of invasive pathobionts, and help resolve inflammation and tissue injury. Although scarce, research findings suggest that dietary H2S obtained from plants or ingestion of the H2S precursor, L-cysteine, may also modulate the abundance and function of microbiota. Critical Issues: A critical issue is the lack of understanding of the metagenomic, transcriptomic, and proteomic alterations that characterize the interactions between H2S and gut microbiota to shape health outcomes. Future Directions: The ambivalent roles of H2S in the gut offer a fertile ground for research on such critical issues. The findings will improve our understanding of how H2S modulates the microbiota to affect body function and will help identify novel therapeutic strategies. Antioxid. Redox Signal. 36, 211-219.
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Affiliation(s)
- Andre G Buret
- Host-Parasite Interactions Program, Inflammation Research Network, Biological Sciences, University of Calgary, Calgary, Canada.,Antibe Therapeutics, Inc., Toronto, Canada
| | - Thibault Allain
- Host-Parasite Interactions Program, Inflammation Research Network, Biological Sciences, University of Calgary, Calgary, Canada
| | - Jean-Paul Motta
- Institute of Digestive Health Research, IRSD, INSERM U1220, Toulouse, France
| | - John L Wallace
- Host-Parasite Interactions Program, Inflammation Research Network, Biological Sciences, University of Calgary, Calgary, Canada.,Antibe Therapeutics, Inc., Toronto, Canada
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47
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Zhou Y, Mazur F, Liang K, Chandrawati R. Sensitivity and Selectivity Analysis of Fluorescent Probes for Hydrogen Sulfide Detection. Chem Asian J 2022; 17:e202101399. [PMID: 35018736 PMCID: PMC9306468 DOI: 10.1002/asia.202101399] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/07/2022] [Indexed: 11/09/2022]
Abstract
Hydrogen sulfide (H2S) is a gasotransmitter known to regulate physiological and pathological processes. Abnormal H2S levels have been associated with a range of conditions, including Parkinson's and Alzheimer's diseases, cardiovascular and renal diseases, bacterial and viral infections, as well as cancer. Therefore, fast and sensitive H2S detection is of significant clinical importance. Fluorescent H2S probes hold great potential among the currently developed detection methods because of their high sensitivity, selectivity, and biocompatibility. However, many proposed probes do not provide a gold standard for proper use and selection. Consequently, issues arise when applying the probes in different conditions. Therefore, we systematically evaluated four commercially available probes (WSP‐1, WSP‐5, CAY, and P3), considering their detection range, sensitivity, selectivity, and performance in different environments. Furthermore, their capacity for endogenous H2S imaging in live cells was demonstrated.
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Affiliation(s)
- Yingzhu Zhou
- University of New South Wales - Kensington Campus: University of New South Wales, School of Chemical Engineering, AUSTRALIA
| | - Federico Mazur
- University of New South Wales - Kensington Campus: University of New South Wales, School of Chemical Engineering, AUSTRALIA
| | - Kang Liang
- University of New South Wales - Kensington Campus: University of New South Wales, School of Chemical Engineering, AUSTRALIA
| | - Rona Chandrawati
- University of New South Wales, Chemical Engineering, Science and Engineering Building E8, 2052, Sydney, AUSTRALIA
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48
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Sukul P, Grzegorzewski S, Broderius C, Trefz P, Mittlmeier T, Fischer DC, Miekisch W, Schubert JK. Physiological and metabolic effects of healthy female aging on exhaled breath biomarkers. iScience 2022; 25:103739. [PMID: 35141500 PMCID: PMC8810402 DOI: 10.1016/j.isci.2022.103739] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 11/12/2021] [Accepted: 01/05/2022] [Indexed: 11/30/2022] Open
Abstract
Healthy aging driven physio-metabolic events in females hold the key to complex in vivo mechanistic links and systemic cross talks. Effects from basic changes at genome, proteome, metabolome, and lipidome levels are often reflected at the upstream phenome (e.g., breath volatome) cascades. Here, we have analyzed exhaled volatile metabolites (measured via real time mass spectrometry based breathomics) data from 204 healthy females, aged between 07 and 80 years. Age related substance-specific differences were observed in breath biomarkers. Exhalation of blood-borne endogenous organosulfur, short-chain fatty acids, alcohols, aldehydes, alkene, ketones and exogenous nitriles, terpenes, and aromatics have denominated interplay between endocrine differences, energy homeostasis, systemic microbial diversity, oxidative stress, and lifestyle. Overall marker expressions were suppressed under daily oral contraception. Young homosexual/lesbian adults turned out as breathomic outliers. Previously proposed disease-specific breath biomarkers should be reevaluated upon aging effects. Breathomics offers a noninvasive window toward system-wide understanding and personalized monitoring of aging i.e., translatable to gerontology. Physio-metabolic effects of female aging are reflected in breath VOC markers Overall VOC expressions were suppressed in adults under oral contraceptive pills Young homosexual/lesbian adults were breathomic outliers Clinical interpretations of breath VOCs as biomarker, must consider age effects
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49
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Mao Z, Huang Y, Li B, Tomoya K, Shinmori H, Zeng X, Gu Z, Yao J. Hydrogen sulfide as a potent scavenger of toxicant acrolein. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 229:113111. [PMID: 34952378 DOI: 10.1016/j.ecoenv.2021.113111] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/07/2021] [Accepted: 12/19/2021] [Indexed: 06/14/2023]
Abstract
Acrolein (ACR) is a metabolic byproduct in vivo and a ubiquitous environmental toxicant. It is implicated in the initiation and development of many diseases through multiple mechanisms, including the induction of oxidative stress. Currently, our understanding of the body defense mechanism against ACR toxicity is still limited. Given that hydrogen sulfide (H2S) has strong antioxidative actions and it shares several properties of ACR scavenger glutathione (GSH), we, therefore, tested whether H2S could be involved in ACR detoxification. Taking advantage of two cell lines that produced different levels of endogenous H2S, we found that the severity of ACR toxicity was reversely correlated with H2S-producing ability. In further support of the role of H2S, supplementing cells with exogenous H2S increased cell resistance to ACR, whereas inhibition of endogenous H2S sensitized cells to ACR. In vivo experiments showed that inhibition of endogenous H2S with CSE inhibitor markedly increased mouse susceptibility to the toxicity of cyclophosphamide and ACR, as evidenced by the increased mortality and worsened organ injury. Further analysis revealed that H2S directly reacted with ACR. It promoted ACR clearance and prevented ACR-initiated protein carbonylation. Collectively, this study characterized H2S as a presently unrecognized endogenous scavenger of ACR and suggested that H2S can be exploited to prevent and treat ACR-associated diseases.
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Affiliation(s)
- Zhimin Mao
- Institute of Reproductive Medicine, Nantong University, Nantong, China; Division of Molecular Signaling, Department of the Advanced Biomedical Research, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Kofu, Japan.
| | - Yanru Huang
- Division of Molecular Signaling, Department of the Advanced Biomedical Research, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Kofu, Japan
| | - Bingqian Li
- Institute of Reproductive Medicine, Nantong University, Nantong, China
| | - Kazutoshi Tomoya
- Department of Biotechnology, Faculty of Life and Environmental Sciences, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Kofu, Japan
| | - Hideyuki Shinmori
- Department of Biotechnology, Faculty of Life and Environmental Sciences, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Kofu, Japan
| | - Xuhui Zeng
- Institute of Reproductive Medicine, Nantong University, Nantong, China
| | - Zhifeng Gu
- Department of Rheumatology, The Affiliated Hospital of Nantong University, Nantong, China
| | - Jian Yao
- Division of Molecular Signaling, Department of the Advanced Biomedical Research, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Kofu, Japan.
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50
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Han S, Zhang H, Wang J, Yang L, Lan M, Wang B, Song X. Rational Development of Dual-Ratiometric Fluorescent Probes for Distinguishing between H 2S and SO 2 in Living Organisms. Anal Chem 2021; 93:15209-15215. [PMID: 34726378 DOI: 10.1021/acs.analchem.1c03963] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
For better investigating the complicated relationships between H2S and SO2, simultaneously detecting and visualizing them with good selectivity is crucial. However, most sensing mechanisms for H2S and SO2 probes are based on the addition reactions with the double bonds, which have no selectivity. In this work, by introducing an active triple bond into 4-dicyanovinyl-7-diethylamino-coumarin, we construct two unique sensors for not only distinguishing between H2S and SO2 but also sensing H2S and SO2 in a dual-ratiometric manner. Moreover, the modified sensor was successfully applied in living cells and zebrafish for discriminating H2S and SO2.
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Affiliation(s)
- Shaohui Han
- College of Chemistry & Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Hui Zhang
- School of Pharmacy, Guangxi Medical University, Nanning 530021, China
| | - Jingpei Wang
- College of Chemistry & Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Lei Yang
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi, Shandong 276005, China
| | - Minhuan Lan
- College of Chemistry & Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Benhua Wang
- College of Chemistry & Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Xiangzhi Song
- College of Chemistry & Chemical Engineering, Central South University, Changsha, Hunan 410083, China.,Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, Central South University, Changsha, Hunan 410083, China
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