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Murdaca G, Tagliafico L, Page E, Paladin F, Gangemi S. Gender Differences in the Interplay between Vitamin D and Microbiota in Allergic and Autoimmune Diseases. Biomedicines 2024; 12:1023. [PMID: 38790985 PMCID: PMC11117902 DOI: 10.3390/biomedicines12051023] [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: 04/02/2024] [Revised: 04/22/2024] [Accepted: 05/01/2024] [Indexed: 05/26/2024] Open
Abstract
The synergic role of vitamin D and the intestinal microbiota in the regulation of the immune system has been thoroughly described in the literature. Vitamin D deficiency and intestinal dysbiosis have shown a pathogenetic role in the development of numerous immune-mediated and allergic diseases. The physiological processes underlying aging and sex have proven to be capable of having a negative influence both on vitamin D values and the biodiversity of the microbiome. This leads to a global increase in levels of systemic inflammatory markers, with potential implications for all immune-mediated diseases and allergic conditions. Our review aims to collect and analyze the relationship between vitamin D and the intestinal microbiome with the immune system and the diseases associated with it, emphasizing the effect mediated by sexual hormones and aging.
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Affiliation(s)
- Giuseppe Murdaca
- Department of Internal Medicine, University of Genova, 16132 Genova, Italy (E.P.)
- Allergology and Clinical Immunology Unit, San Bartolomeo Hospital, 19038 Sarzana, Italy
| | - Luca Tagliafico
- Department of Internal Medicine, University of Genova, 16132 Genova, Italy (E.P.)
- Ospedale Policlinico San Martino IRCCS, Largo Rosanna Benzi 10, 16132 Genova, Italy
| | - Elena Page
- Department of Internal Medicine, University of Genova, 16132 Genova, Italy (E.P.)
- Ospedale Policlinico San Martino IRCCS, Largo Rosanna Benzi 10, 16132 Genova, Italy
| | - Francesca Paladin
- Elderly and Disabeld Department, San Paolo Hospital, 17100 Savona, Italy
| | - Sebastiano Gangemi
- School and Operative Unit of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy
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R Muralitharan R, Nakai ME, Snelson M, Zheng T, Dinakis E, Xie L, Jama H, Paterson M, Shihata W, Wassef F, Vinh A, Drummond GR, Kaye DM, Mackay CR, Marques FZ. Influence of angiotensin II on the gut microbiome: Modest effects in comparison to experimental factors. Cardiovasc Res 2024:cvae062. [PMID: 38518247 DOI: 10.1093/cvr/cvae062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/12/2023] [Accepted: 01/08/2024] [Indexed: 03/24/2024] Open
Abstract
INTRODUCTION Animal models are regularly used to test the role of the gut microbiome in hypertension. Small-scale pre-clinical studies have investigated changes to the gut microbiome in the angiotensin II hypertensive model. However, the gut microbiome is influenced by internal and external experimental factors which are not regularly considered in the study design. Once these factors are accounted for, it is unclear if microbiome signatures are reproduceable. We aimed to determine the influence of angiotensin II treatment on the gut microbiome using a large and diverse cohort of mice and to quantify the magnitude by which other factors contribute to microbiome variations. METHODS AND RESULTS We conducted a retrospective study to establish a diverse mouse cohort resembling large human studies. We sequenced the V4 region of the 16S rRNA gene from 538 samples across the gastrointestinal tract of 303 male and female C57BL/6J mice randomised into sham or angiotensin II treatment from different genotypes, diets, animal facilities, and age groups. Analysing over 17 million sequencing reads, we observed that angiotensin II treatment influenced α-diversity (P = 0.0137) and β-diversity (i.e., composition of the microbiome, P < 0.001). Bacterial abundance analysis revealed patterns consistent with a reduction in short-chain fatty acid-producers, microbial metabolites that lower blood pressure. Furthermore, animal facility, genotype, diet, age, sex, intestinal sampling site, and sequencing batch had significant effects on both α- and β-diversity (all P < 0.001). Sampling site (6.8%) and diet (6%) had the largest impact on the microbiome, while angiotensin II and sex had the smallest effect (each 0.4%). CONCLUSIONS Our large-scale data confirmed findings from small-scale studies that angiotensin II impacted the gut microbiome. However, this effect was modest relative to most of the other factors studied. Accounting for these factors in future pre-clinical hypertensive studies will increase the likelihood that microbiome findings are replicable and translatable.
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Affiliation(s)
- Rikeish R Muralitharan
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
- Institute for Medical Research, Ministry of Health Malaysia, Kuala Lumpur, Malaysia
| | - Michael E Nakai
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Matthew Snelson
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
- Victorian Heart Institute, Monash University, Melbourne, Australia
| | - Tenghao Zheng
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Evany Dinakis
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Liang Xie
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Hamdi Jama
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Madeleine Paterson
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Waled Shihata
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Flavia Wassef
- Department of Microbiology, Anatomy, Physiology, La Trobe University, Melbourne, Australia
| | - Antony Vinh
- Department of Microbiology, Anatomy, Physiology, La Trobe University, Melbourne, Australia
| | - Grant R Drummond
- Department of Microbiology, Anatomy, Physiology, La Trobe University, Melbourne, Australia
| | - David M Kaye
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia
- Department of Cardiology, Alfred Hospital, Melbourne, Australia
- Central Clinical School, Faculty of Medicine Nursing and Health Sciences, Monash University, Melbourne, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biodiscovery Institute, Monash University, Melbourne, Australia
- Department of Biochemistry, Monash University, Melbourne, Australia
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
- Victorian Heart Institute, Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia
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Wang Y, Huang X, Xia S, Huang Q, Wang J, Ding M, Mo Y, Yang J. Gender differences and risk factors for acute kidney injury following cardiac surgery: A single center retrospective cohort study. Heliyon 2023; 9:e22177. [PMID: 38046157 PMCID: PMC10686869 DOI: 10.1016/j.heliyon.2023.e22177] [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: 03/10/2023] [Revised: 10/19/2023] [Accepted: 11/06/2023] [Indexed: 12/05/2023] Open
Abstract
Background We studied AKI incidence and prognosis in cardiac surgery patients under and over 60 years old. Methods We studied AKI in patients who underwent cardiac surgery at the First Affiliated Hospital of Wenzhou Medical University between Jan 2020 and Dec 2021, using improved global prognostic criteria for diagnosis. Results After analyzing 781 patients (402 males, 379 females), AKI incidence after surgery was 30.22 %. Adjusting for propensity scores revealed no significant difference in AKI incidence between young males (24.1 %) and females (19.3 %). However, young females had higher AKI stages. Among older patients, AKI incidence was comparable between males (43.4 %) and females (42.2 %), but females had longer intubation times. Independent risk factors for AKI included age, male gender, and BMI, while intraoperative hemoglobin level was protective. Conclusions No gender gap in AKI frequency for <60 years old and ≥60 years old post-cardiac surgery, yet women display increased AKI severity and extended intubation duration.
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Affiliation(s)
- Yichuan Wang
- Department of Anesthesiology, The First Affiliated Hospital of Soochow University, China
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, China
| | - Xuliang Huang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, China
| | - Shanshan Xia
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, China
| | - Qingqing Huang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, China
| | - Jue Wang
- Department of Cardiac Surgery, The First Affiliated Hospital of Wenzhou Medical University, China
| | - Maochao Ding
- Department of Human Anatomy, Wenzhou Medical University, China
| | - Yunchang Mo
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, China
| | - Jianping Yang
- Department of Anesthesiology, The First Affiliated Hospital of Soochow University, China
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Moleón J, González-Correa C, Robles-Vera I, Miñano S, de la Visitación N, Barranco AM, Martín-Morales N, O’Valle F, Mayo-Martínez L, García A, Toral M, Jiménez R, Romero M, Duarte J. Targeting the gut microbiota with dietary fibers: a novel approach to prevent the development cardiovascular complications linked to systemic lupus erythematosus in a preclinical study. Gut Microbes 2023; 15:2247053. [PMID: 37615336 PMCID: PMC10453983 DOI: 10.1080/19490976.2023.2247053] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 07/04/2023] [Accepted: 08/08/2023] [Indexed: 08/25/2023] Open
Abstract
This study is to investigate whether dietary fiber intake prevents vascular and renal damage in a genetic mouse model of systemic lupus erythematosus (SLE), and the contribution of gut microbiota in the protective effects. Female NZBWF1 (SLE) mice were treated with resistant-starch (RS) or inulin-type fructans (ITF). In addition, inoculation of fecal microbiota from these experimental groups to recipient normotensive female C57Bl/6J germ-free (GF) mice was performed. Both fiber treatments, especially RS, prevented the development of hypertension, renal injury, improved the aortic relaxation induced by acetylcholine, and the vascular oxidative stress. RS and ITF treatments increased the proportion of acetate- and butyrate-producing bacteria, respectively, improved colonic inflammation and integrity, endotoxemia, and decreased helper T (Th)17 proportion in mesenteric lymph nodes (MLNs), blood, and aorta in SLE mice. However, disease activity (splenomegaly and anti-ds-DNA) was unaffected by both fibers. T cell priming and Th17 differentiation in MLNs and increased Th17 infiltration was linked to aortic endothelial dysfunction and hypertension after inoculation of fecal microbiota from SLE mice to GF mice, without changes in proteinuria and autoimmunity. All these effects were lower in GF mice after fecal inoculation from fiber-treated SLE mice. In conclusion, these findings support that fiber consumption prevented the development of hypertension by rebalancing of dysfunctional gut-immune system-vascular wall axis in SLE.
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Affiliation(s)
- Javier Moleón
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
| | - Cristina González-Correa
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
| | - Iñaki Robles-Vera
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Sofía Miñano
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
| | - Néstor de la Visitación
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Antonio Manuel Barranco
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
| | - Natividad Martín-Morales
- Department of Pathology, School of Medicine, Instituto de Biopatología y Medicina Regenerativa (IBIMER) University of Granada, Granada, Spain
| | - Francisco O’Valle
- Department of Pathology, School of Medicine, Instituto de Biopatología y Medicina Regenerativa (IBIMER) University of Granada, Granada, Spain
- Ciber de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Laura Mayo-Martínez
- Centre for Metabolomics and Bioanalysis (CEMBIO), Faculty of Pharmacy, Universidad San Pablo CEU, CEU Universities. Campus Monteprincipe, Boadilla del Monte, San Pablo, Spain
| | - Antonia García
- Centre for Metabolomics and Bioanalysis (CEMBIO), Faculty of Pharmacy, Universidad San Pablo CEU, CEU Universities. Campus Monteprincipe, Boadilla del Monte, San Pablo, Spain
| | - Marta Toral
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
- Ciber de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Rosario Jiménez
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
- Ciber de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Miguel Romero
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
| | - Juan Duarte
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
- Ciber de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
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Muralitharan RR, Snelson M, Meric G, Coughlan MT, Marques FZ. Guidelines for microbiome studies in renal physiology. Am J Physiol Renal Physiol 2023; 325:F345-F362. [PMID: 37440367 DOI: 10.1152/ajprenal.00072.2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/28/2023] [Accepted: 07/07/2023] [Indexed: 07/15/2023] Open
Abstract
Gut microbiome research has increased dramatically in the last decade, including in renal health and disease. The field is moving from experiments showing mere association to causation using both forward and reverse microbiome approaches, leveraging tools such as germ-free animals, treatment with antibiotics, and fecal microbiota transplantations. However, we are still seeing a gap between discovery and translation that needs to be addressed, so that patients can benefit from microbiome-based therapies. In this guideline paper, we discuss the key considerations that affect the gut microbiome of animals and clinical studies assessing renal function, many of which are often overlooked, resulting in false-positive results. For animal studies, these include suppliers, acclimatization, baseline microbiota and its normalization, littermates and cohort/cage effects, diet, sex differences, age, circadian differences, antibiotics and sweeteners, and models used. Clinical studies have some unique considerations, which include sampling, gut transit time, dietary records, medication, and renal phenotypes. We provide best-practice guidance on sampling, storage, DNA extraction, and methods for microbial DNA sequencing (both 16S rRNA and shotgun metagenome). Finally, we discuss follow-up analyses, including tools available, metrics, and their interpretation, and the key challenges ahead in the microbiome field. By standardizing study designs, methods, and reporting, we will accelerate the findings from discovery to translation and result in new microbiome-based therapies that may improve renal health.
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Affiliation(s)
- Rikeish R Muralitharan
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Victoria, Australia
- Institute for Medical Research, Ministry of Health Malaysia, Kuala Lumpur, Malaysia
| | - Matthew Snelson
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Guillaume Meric
- Cambridge-Baker Systems Genomics Initiative, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia
- Department of Cardiometabolic Health, University of Melbourne, Melbourne, Victoria, Australia
- Department of Medical Sciences, Molecular Epidemiology and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
- Department of Cardiovascular Research Translation and Implementation, La Trobe University, Melbourne, Victoria, Australia
| | - Melinda T Coughlan
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Parkville, Victoria, Australia
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Victoria, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
- Victorian Heart Institute, Monash University, Melbourne, Victoria, Australia
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Lv J, Wang J, Yu Y, Zhao M, Yang W, Liu J, Zhao Y, Yang Y, Wang G, Guo L, Zhao H. Alterations of gut microbiota are associated with blood pressure: a cross-sectional clinical trial in Northwestern China. J Transl Med 2023; 21:429. [PMID: 37391847 PMCID: PMC10311887 DOI: 10.1186/s12967-023-04176-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 04/30/2023] [Indexed: 07/02/2023] Open
Abstract
BACKGROUND The human gut microbiota (GM) is involved in the pathogenesis of hypertension (HTN), and could be affected by various factors, including sex and geography. However, available data directly linking GM to HTN based on sex differences are limited. METHODS This study investigated the GM characteristics in HTN subjects in Northwestern China, and evaluate the associations of GM with blood pressure levels based on sex differences. A total of 87 HTN subjects and 45 controls were recruited with demographic and clinical characteristics documented. Fecal samples were collected for 16S rRNA gene sequencing and metagenomic sequencing. RESULTS GM diversity was observed higher in females compared to males, and principal coordinate analysis showed an obvious segregation of females and males. Four predominant phyla of fecal GM included Firmicutes, Bacteroidetes, Actinobacteria and Proteobacteria. LEfSe analysis indicated that phylum unidentified_Bacteria was enriched in HTN females, while Leuconostocaceae, Weissella and Weissella_cibaria were enriched in control females (P < 0.05). Functionally, ROC analysis revealed that Cellular Processes (0.796, 95% CI 0.620 ~ 0.916), Human Diseases (0.773, 95% CI 0.595 ~ 0.900), Signal transduction (0.806, 95% CI 0.631 ~ 0.922) and Two-component system (0.806, 95% CI 0.631 ~ 0.922) could differentiate HTN females as effective functional classifiers, which were also positively correlated with systolic blood pressure levels. CONCLUSIONS This work provides evidence of fecal GM characteristics in HTN females and males in a northwestern Chinese population, further supporting the notion that GM dysbiosis may participate in the pathogenesis of HTN, and the role of sex differences should be considered. Trial registration Chinese Clinical Trial Registry, ChiCTR1800019191. Registered 30 October 2018 - Retrospectively registered, http://www.chictr.org.cn/ .
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Affiliation(s)
- Jing Lv
- Department of Clinical Laboratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Jihan Wang
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China
| | - Yan Yu
- Department of Clinical Laboratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Mengyao Zhao
- Department of Clinical Laboratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Wenjuan Yang
- Department of Clinical Laboratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Junye Liu
- Department of Clinical Laboratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Yan Zhao
- Department of Clinical Laboratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Yanjie Yang
- Department of Cardiology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Guodong Wang
- Department of Quality Control, Xi'an Mental Health Center, Xi'an, China
| | - Lei Guo
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China.
| | - Heping Zhao
- Department of Clinical Laboratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China.
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Afolabi JM, Kanthakumar P, Williams JD, Kumar R, Soni H, Adebiyi A. Post-injury Inhibition of Endothelin-1 Dependent Renal Vasoregulation Mitigates Rhabdomyolysis-Induced Acute Kidney Injury. FUNCTION 2023; 4:zqad022. [PMID: 37342410 PMCID: PMC10278989 DOI: 10.1093/function/zqad022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 04/30/2023] [Accepted: 05/01/2023] [Indexed: 06/22/2023] Open
Abstract
In patients with rhabdomyolysis, the overwhelming release of myoglobin into the circulation is the primary cause of kidney injury. Myoglobin causes direct kidney injury as well as severe renal vasoconstriction. An increase in renal vascular resistance (RVR) results in renal blood flow (RBF) and glomerular filtration rate (GFR) reduction, tubular injury, and acute kidney injury (AKI). The mechanisms that underlie rhabdomyolysis-induced AKI are not fully understood but may involve the local production of vasoactive mediators in the kidney. Studies have shown that myoglobin stimulates endothelin-1 (ET-1) production in glomerular mesangial cells. Circulating ET-1 is also increased in rats subjected to glycerol-induced rhabdomyolysis. However, the upstream mechanisms of ET-1 production and downstream effectors of ET-1 actions in rhabdomyolysis-induced AKI remain unclear. Vasoactive ET-1 is generated by ET converting enzyme 1 (ECE-1)-induced proteolytic processing of inactive big ET to biologically active peptides. The downstream ion channel effectors of ET-1-induced vasoregulation include the transient receptor potential cation channel, subfamily C member 3 (TRPC3). This study demonstrates that glycerol-induced rhabdomyolysis in Wistar rats promotes ECE-1-dependent ET-1 production, RVR increase, GFR decrease, and AKI. Rhabdomyolysis-induced increases in RVR and AKI in the rats were attenuated by post-injury pharmacological inhibition of ECE-1, ET receptors, and TRPC3 channels. CRISPR/Cas9-mediated knockout of TRPC3 channels attenuated ET-1-induced renal vascular reactivity and rhabdomyolysis-induced AKI. These findings suggest that ECE-1-driven ET-1 production and downstream activation of TRPC3-dependent renal vasoconstriction contribute to rhabdomyolysis-induced AKI. Hence, post-injury inhibition of ET-1-mediated renal vasoregulation may provide therapeutic targets for rhabdomyolysis-induced AKI.
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Affiliation(s)
- Jeremiah M Afolabi
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Praghalathan Kanthakumar
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Jada D Williams
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Ravi Kumar
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Hitesh Soni
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Adebowale Adebiyi
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA
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Abstract
A large body of evidence has emerged in the past decade supporting a role for the gut microbiome in the regulation of blood pressure. The field has moved from association to causation in the last 5 years, with studies that have used germ-free animals, antibiotic treatments and direct supplementation with microbial metabolites. The gut microbiome can regulate blood pressure through several mechanisms, including through gut dysbiosis-induced changes in microbiome-associated gene pathways in the host. Microbiota-derived metabolites are either beneficial (for example, short-chain fatty acids and indole-3-lactic acid) or detrimental (for example, trimethylamine N-oxide), and can activate several downstream signalling pathways via G protein-coupled receptors or through direct immune cell activation. Moreover, dysbiosis-associated breakdown of the gut epithelial barrier can elicit systemic inflammation and disrupt intestinal mechanotransduction. These alterations activate mechanisms that are traditionally associated with blood pressure regulation, such as the renin-angiotensin-aldosterone system, the autonomic nervous system, and the immune system. Several methodological and technological challenges remain in gut microbiome research, and the solutions involve minimizing confounding factors, establishing causality and acting globally to improve sample diversity. New clinical trials, precision microbiome medicine and computational methods such as Mendelian randomization have the potential to enable leveraging of the microbiome for translational applications to lower blood pressure.
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Henry Dasinger J, Joe B, Abais-Battad JM. Microbiota-associated mechanisms underlying sexual dimorphism in hypertension. MICROBIOTA AND HOST 2023; 1:e230016. [PMID: 38107627 PMCID: PMC10723812 DOI: 10.1530/mah-23-0016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Consistent research over the last 20 years has shown that there are clear sex differences in the pathogenesis of hypertension, the leading risk factor for the development of cardiovascular diseases. More recently, there is evidence in both humans and experimental animal models that causally implicates the gut microbiota in hypertension. It therefore follows that sex differences in the gut microbiota may mediate the extent of disease between sexes. This new field is rapidly changing and advancing, and the purpose of this review is to cover the most up-to-date evidence regarding the sexual dimorphism of the gut microbiota and its potential influence on the differential manifestation of hypertension in males versus females. Emphasis will be placed on the mechanisms thought to contribute to these sex differences in both the gut microbiota and hypertension, including sex steroid hormones, gut-derived metabolites, the immune system, and pregnancy.
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Affiliation(s)
| | - Bina Joe
- Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences
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Wang J, Chen J, Li L, Zhang H, Pang D, Ouyang H, Jin X, Tang X. Clostridium butyricum and Bifidobacterium pseudolongum Attenuate the Development of Cardiac Fibrosis in Mice. Microbiol Spectr 2022; 10:e0252422. [PMID: 36318049 PMCID: PMC9769846 DOI: 10.1128/spectrum.02524-22] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 09/22/2022] [Indexed: 11/05/2022] Open
Abstract
Cardiac fibrosis is an integral aspect of every form of cardiovascular diseases, which is one of the leading causes of death worldwide. It is urgent to explore new effective drugs and treatments. In this paper, transverse aortic constriction (TAC)-induced cardiac fibrosis was significantly alleviated by a cocktail of antibiotics to clear the intestinal flora, indicating that the gut microbiota was associated with the disease process of cardiac fibrosis. We transplanted feces from sham-operated and TAC-treated mice to mice treated with a cocktail of antibiotics. We found that TAC-treated gut microbiota dysbiosis cannot cause cardiac fibrosis on its own. Interestingly, healthy fecal microbiota transplantation could alleviate cardiac fibrosis, indicating that targeted probiotics and related metabolite intervention may restore a normal microenvironment for the treatment or prevention of cardiac fibrosis. We used 16S rRNA sequencing of fecal samples and discovered that butyric acid-producing bacteria and Bifidobacterium pseudolongum were the dominant bacteria in the group with the lowest degree of cardiac fibrosis. Moreover, we demonstrated that sodium butyrate prevented the development of cardiac fibrosis. The effect of Clostridium butyricum (butyric acid-producing bacteria) was better than that of B. pseudolongum on cardiac fibrosis. Surprisingly, the cocktail of two probiotics had a stronger ability than a single probiotic. In conclusion, therapies targeting the gut microbiota and metabolites such as probiotics present new strategies for treating cardiovascular disease. IMPORTANCE Cardiac fibrosis is a basic process in cardiac remodeling. It is related to almost all types of cardiovascular diseases (CVD) and has become an important global health problem. Basic research and a number of clinical studies have shown that myocardial fibrosis can be prevented and reversed to a certain extent. It is urgent to explore new effective drugs and treatments. We indicated a causal relationship between cardiac fibrosis and gut microbiota. Gut microbiota dysbiosis cannot cause cardiac fibrosis on its own. Interestingly, healthy fecal microbiota transplantation could alleviate cardiac fibrosis. According to our findings, the combined use of butyric acid-producing bacteria and B. pseudolongum can help prevent cardiac fibrosis. Therapies targeting the gut microbiota and metabolites, such as probiotics, represent new strategies for treating cardiovascular disease.
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Affiliation(s)
- Jiaqi Wang
- College of Animal Sciences, Jilin University, Changchun, People’s Republic of China
| | - Jiahuan Chen
- College of Animal Sciences, Jilin University, Changchun, People’s Republic of China
| | - Linquan Li
- College of Animal Sciences, Jilin University, Changchun, People’s Republic of China
| | - Huanyu Zhang
- College of Animal Sciences, Jilin University, Changchun, People’s Republic of China
| | - Daxin Pang
- College of Animal Sciences, Jilin University, Changchun, People’s Republic of China
| | - Hongsheng Ouyang
- College of Animal Sciences, Jilin University, Changchun, People’s Republic of China
| | - Xuemin Jin
- State Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun China
| | - Xiaochun Tang
- College of Animal Sciences, Jilin University, Changchun, People’s Republic of China
- Chongqing Research Institute of Jilin University, Chongqing, People’s Republic of China
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11
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Maffei S, Forini F, Canale P, Nicolini G, Guiducci L. Gut Microbiota and Sex Hormones: Crosstalking Players in Cardiometabolic and Cardiovascular Disease. Int J Mol Sci 2022; 23:ijms23137154. [PMID: 35806159 PMCID: PMC9266921 DOI: 10.3390/ijms23137154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 06/23/2022] [Accepted: 06/24/2022] [Indexed: 01/27/2023] Open
Abstract
The available evidence indicates a close connection between gut microbiota (GM) disturbance and increased risk of cardiometabolic (CM) disorders and cardiovascular (CV) disease. One major objective of this narrative review is to discuss the key contribution of dietary regimen in determining the GM biodiversity and the implications of GM dysbiosis for the overall health of the CV system. In particular, emerging molecular pathways are presented, linking microbiota-derived signals to the local activation of the immune system as the driver of a systemic proinflammatory state and permissive condition for the onset and progression of CM and CV disease. We further outline how the cross-talk between sex hormones and GM impacts disease susceptibility, thereby offering a mechanistic insight into sexual dimorphism observed in CVD. A better understanding of these relationships could help unravel novel disease targets and pave the way to the development of innovative, low-risk therapeutic strategies based on diet interventions, GM manipulation, and sex hormone analogues.
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Affiliation(s)
- Silvia Maffei
- Department of Gynecological and Cardiovascular Endocrinology, CNR-Tuscany Region, G. Monasterio Foundation, Via G. Moruzzi 1, 56124 Pisa, Italy;
| | - Francesca Forini
- CNR Institute of Clinical Physiology, Via G Moruzzi 1, 56124 Pisa, Italy; (P.C.); (G.N.); (L.G.)
- Correspondence:
| | - Paola Canale
- CNR Institute of Clinical Physiology, Via G Moruzzi 1, 56124 Pisa, Italy; (P.C.); (G.N.); (L.G.)
| | - Giuseppina Nicolini
- CNR Institute of Clinical Physiology, Via G Moruzzi 1, 56124 Pisa, Italy; (P.C.); (G.N.); (L.G.)
| | - Letizia Guiducci
- CNR Institute of Clinical Physiology, Via G Moruzzi 1, 56124 Pisa, Italy; (P.C.); (G.N.); (L.G.)
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12
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Del Castillo-Izquierdo Á, Mayneris-Perxachs J, Fernández-Real JM. Bidirectional relationships between the gut microbiome and sexual traits. Am J Physiol Cell Physiol 2022; 322:C1223-C1229. [PMID: 35508190 DOI: 10.1152/ajpcell.00116.2022] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/20/2022] [Accepted: 04/21/2022] [Indexed: 11/22/2022]
Abstract
The human gut microbiota is known to be shaped by a variety of environmental factors (diet, drugs, geography, and sanitation) and host intrinsic factors (age and sexual development). The differences in gut microbiota between sexes are minimal before adulthood and late adulthood, and marked during adulthood. For instance, consistent higher relative abundances of Akkermansia and Ruminococcus have been observed in adult women compared with men and most studies have found higher relative abundances of Prevotella and Fusobacterium (linked to a diet rich in animal proteins) in adult men compared with women. The gut microbiota taxonomy and functionality present in women is more similar to men once reached the menopause. In fact, specific taxa have been associated with the levels of different sexual hormones and their precursors in blood. The gut microbiota composition and circulating testosterone levels are also tightly linked to the extent that microbial signatures can predict its levels in blood. At the same time, the gut microbiota participates in the metabolism of sexual hormones, with some bacteria being able to metabolize gonadal steroid hormones (one example is 3β-hydroxysteroid dehydrogenase, a testosterone degrading enzyme). In summary, the relationships between the gut microbiome and sexual traits are bidirectional. In addition, other phenotypes and cultural gender-related factors could drive sex-related differences. It is important to note that other members of the microbiome (Archaea, viruses, and fungi) have been largely unexplored in relation to this sexual dimorphism. More research is needed on this topic.
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Affiliation(s)
- Ángela Del Castillo-Izquierdo
- Department of Diabetes, Endocrinology and Nutrition, Dr. Josep Trueta University Hospital, Girona, Spain
- Nutrition, Eumetabolism and Health Group, Girona Biomedical Research Institute (IDIBGI), Girona, Spain
- CIBERobn Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Spain
| | - Jordi Mayneris-Perxachs
- Department of Diabetes, Endocrinology and Nutrition, Dr. Josep Trueta University Hospital, Girona, Spain
- Nutrition, Eumetabolism and Health Group, Girona Biomedical Research Institute (IDIBGI), Girona, Spain
- CIBERobn Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Spain
| | - José Manuel Fernández-Real
- Department of Diabetes, Endocrinology and Nutrition, Dr. Josep Trueta University Hospital, Girona, Spain
- Nutrition, Eumetabolism and Health Group, Girona Biomedical Research Institute (IDIBGI), Girona, Spain
- CIBERobn Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Spain
- Department of Medical Sciences, School of Medicine, University of Girona, Girona, Spain
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13
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Mei X, Mell B, Cheng X, Yeo JY, Yang T, Chiu N, Joe B. Beyond the Gastrointestinal Tract: Oral and Sex-Specific Skin Microbiota Are Associated with Hypertension in Rats with Genetic Disparities. Physiol Genomics 2022; 54:242-250. [PMID: 35503026 DOI: 10.1152/physiolgenomics.00169.2021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Current knowledge of the link between microbiota and hypertension is limited to the gut. Besides the gut, oral cavity and skin are other locations where sodium chloride (NaCl) is in direct contact with microbiota. While oral nitrate reducing-bacteria generate nitric oxide, which lead to vasodilation and lowering of blood pressure (BP), the skin excretes sodium via sweat glands and is an important site for sodium and BP homeostasis. However, knowledge on the contributions of oral and skin microbiota to BP regulation, is limited. Therefore, the current study was conducted to compare the tripartite relationship between site, sex, and genetic effects on the composition of oral, skin and gut microbiota impacting hypertension. Microbiota were profiled from the oral cavity, skin and feces of both male and female hypertensive Dahl salt-sensitive (S) and congenic rats with genomic substitutions on rat chromosomes (RNO) 1, 5, 9 and 10, demonstrating disparate BP effects. Sex-specific differences in β-diversity were observed only in skin microbiota. The most abundant taxa of the oral and skin microbiota were Actinobacteria and Cyanobacteria, respectively. Oral Actinobacteria were inversely associated with BP. While the abundance of oral Actinobacteria was upregulated by the BP locus on RNO10 in both sexes, depletion of skin Cyanobacteria decreased the protection from hypertension in the RNO5 female, but not male, congenic strain. In conclusion, this is the first study to identify specific microbiota in sites other than gut as contributors to BP regulation. Notably, both oral Actinobacteria and skin Cyanobacteria were beneficial for lowering BP.
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Affiliation(s)
- Xue Mei
- Program in Physiological Genomics, Center for Hypertension and Personalized Medicine, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, United States
| | - Blair Mell
- Program in Physiological Genomics, Center for Hypertension and Personalized Medicine, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, United States
| | - Xi Cheng
- Program in Physiological Genomics, Center for Hypertension and Personalized Medicine, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, United States
| | - Ji-Youn Yeo
- Program in Physiological Genomics, Center for Hypertension and Personalized Medicine, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, United States
| | - Tao Yang
- Program in Physiological Genomics, Center for Hypertension and Personalized Medicine, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, United States
| | - Nathaline Chiu
- Program in Physiological Genomics, Center for Hypertension and Personalized Medicine, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, United States
| | - Bina Joe
- Program in Physiological Genomics, Center for Hypertension and Personalized Medicine, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, United States
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14
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Méndez-Albiñana P, Martínez-González Á, Camacho-Rodríguez L, Ferreira-Lazarte Á, Villamiel M, Rodrigues-Díez R, Balfagón G, García-Redondo AB, Prieto-Nieto MI, Blanco-Rivero J. Supplementation with the Symbiotic Formulation Prodefen® Increases Neuronal Nitric Oxide Synthase and Decreases Oxidative Stress in Superior Mesenteric Artery from Spontaneously Hypertensive Rats. Antioxidants (Basel) 2022; 11:antiox11040680. [PMID: 35453365 PMCID: PMC9029967 DOI: 10.3390/antiox11040680] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/23/2022] [Accepted: 03/25/2022] [Indexed: 12/23/2022] Open
Abstract
In recent years, gut dysbiosis has been related to some peripheral vascular alterations linked to hypertension. In this work, we explore whether gut dysbiosis is related to vascular innervation dysfunction and altered nitric oxide (NO) production in the superior mesenteric artery, one of the main vascular beds involved in peripheral vascular resistance. For this purpose, we used spontaneously hypertensive rats, either treated or not with the commercial synbiotic formulation Prodefen® (108 colony forming units/day, 4 weeks). Prodefen® diminished systolic blood pressure and serum endotoxin, as well as the vasoconstriction elicited by electrical field stimulation (EFS), and enhanced acetic and butyric acid in fecal samples, and the vasodilation induced by the exogenous NO donor DEA-NO. Unspecific nitric oxide synthase (NOS) inhibitor L-NAME increased EFS-induced vasoconstriction more markedly in rats supplemented with Prodefen®. Both neuronal NO release and neuronal NOS activity were enhanced by Prodefen®, through a hyperactivation of protein kinase (PK)A, PKC and phosphatidylinositol 3 kinase-AKT signaling pathways. The superoxide anion scavenger tempol increased both NO release and DEA-NO vasodilation only in control animals. Prodefen® caused an increase in both nuclear erythroid related factor 2 and superoxide dismutase activities, consequently reducing both superoxide anion and peroxynitrite releases. In summary, Prodefen® could be an interesting non-pharmacological approach to ameliorate hypertension.
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Affiliation(s)
- Pablo Méndez-Albiñana
- Department of Physiology, School of Medicine, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (P.M.-A.); (Á.M.-G.); (L.C.-R.); (G.B.); (A.B.G.-R.)
- Group of Chemistry and Functionality of Carbohydrates and Derivatives, Food Science Research Institute (CIAL) (CSIC-UAM), 28049 Madrid, Spain; (Á.F.-L.); (M.V.)
| | - Ángel Martínez-González
- Department of Physiology, School of Medicine, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (P.M.-A.); (Á.M.-G.); (L.C.-R.); (G.B.); (A.B.G.-R.)
| | - Laura Camacho-Rodríguez
- Department of Physiology, School of Medicine, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (P.M.-A.); (Á.M.-G.); (L.C.-R.); (G.B.); (A.B.G.-R.)
| | - Álvaro Ferreira-Lazarte
- Group of Chemistry and Functionality of Carbohydrates and Derivatives, Food Science Research Institute (CIAL) (CSIC-UAM), 28049 Madrid, Spain; (Á.F.-L.); (M.V.)
| | - Mar Villamiel
- Group of Chemistry and Functionality of Carbohydrates and Derivatives, Food Science Research Institute (CIAL) (CSIC-UAM), 28049 Madrid, Spain; (Á.F.-L.); (M.V.)
| | - Raquel Rodrigues-Díez
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, 28029 Madrid, Spain;
- Research Institute University Hospital la Paz (IdIPaz), 28029 Madrid, Spain
- Center for Biomedical Research Network (CIBER) in Cardiovascular Diseases, 28029 Madrid, Spain
| | - Gloria Balfagón
- Department of Physiology, School of Medicine, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (P.M.-A.); (Á.M.-G.); (L.C.-R.); (G.B.); (A.B.G.-R.)
- Research Institute University Hospital la Paz (IdIPaz), 28029 Madrid, Spain
- Center for Biomedical Research Network (CIBER) in Cardiovascular Diseases, 28029 Madrid, Spain
| | - Ana B. García-Redondo
- Department of Physiology, School of Medicine, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (P.M.-A.); (Á.M.-G.); (L.C.-R.); (G.B.); (A.B.G.-R.)
- Research Institute University Hospital la Paz (IdIPaz), 28029 Madrid, Spain
- Center for Biomedical Research Network (CIBER) in Cardiovascular Diseases, 28029 Madrid, Spain
| | - Mª Isabel Prieto-Nieto
- Research Institute University Hospital la Paz (IdIPaz), 28029 Madrid, Spain
- Department of General and Digestive Surgery, Hospital Universitario la Paz, 28046 Madrid, Spain
- Correspondence: (M.I.P.-N.); (J.B.-R.); Tel.: +34-91-497-5446 (J.B.-R.)
| | - Javier Blanco-Rivero
- Department of Physiology, School of Medicine, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (P.M.-A.); (Á.M.-G.); (L.C.-R.); (G.B.); (A.B.G.-R.)
- Research Institute University Hospital la Paz (IdIPaz), 28029 Madrid, Spain
- Center for Biomedical Research Network (CIBER) in Cardiovascular Diseases, 28029 Madrid, Spain
- Correspondence: (M.I.P.-N.); (J.B.-R.); Tel.: +34-91-497-5446 (J.B.-R.)
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15
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Donertas Ayaz B, Oliveira AC, Malphurs WL, Redler T, de Araujo AM, Sharma RK, Sirmagul B, Zubcevic J. Central Administration of Hydrogen Sulfide Donor NaHS Reduces Iba1-Positive Cells in the PVN and Attenuates Rodent Angiotensin II Hypertension. Front Neurosci 2021; 15:690919. [PMID: 34602965 PMCID: PMC8479468 DOI: 10.3389/fnins.2021.690919] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 08/10/2021] [Indexed: 12/21/2022] Open
Abstract
Hydrogen sulfide (H2S) is a gaseous signaling molecule with neuromodulatory, anti-inflammatory, and anti-hypertensive effects. Here, we investigate whether chronic intracerebroventricular (ICV) infusion of sodium hydrosulfide (NaHS), an H2S donor, can alleviate angiotensin II (Ang II)-induced hypertension (HTN), improve autonomic function, and impact microglia in the paraventricular nucleus (PVN) of the hypothalamus, a brain region associated with autonomic control of blood pressure (BP) and neuroinflammation in HTN. Chronic delivery of Ang II (200 ng/kg/min, subcutaneous) for 4 weeks produced a typical increase in BP and sympathetic drive and elevated the number of ionized calcium binding adaptor molecule 1-positive (Iba1+) cells in the PVN of male, Sprague-Dawley rats. ICV co-infusion of NaHS (at 30 and/or 60 nmol/h) significantly attenuated these effects of Ang II. Ang II also increased the abundance of cecal Deltaproteobacteria and Desulfovibrionales, among others, which was prevented by ICV NaHS co-infusion at 30 and 60 nmol/h. We observed no differences in circulating H2S between the groups. Our results suggest that central H2S may alleviate rodent HTN independently from circulating H2S via effects on autonomic nervous system and PVN microglia.
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Affiliation(s)
- Basak Donertas Ayaz
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, United States
- Department of Pharmacology, College of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Aline C. Oliveira
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Wendi L. Malphurs
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, United States
| | - Ty Redler
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, United States
| | - Alan Moreira de Araujo
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL, United States
| | - Ravindra K. Sharma
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Basar Sirmagul
- Department of Pharmacology, College of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Jasenka Zubcevic
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, United States
- Department of Physiology and Pharmacology, Center for Hypertension and Precision Medicine, College of Medicine, University of Toledo, Toledo, OH, United States
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16
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Gut Microbiota Has a Crucial Role in the Development of Hypertension and Vascular Dysfunction in Toll-like Receptor 7-Driven Lupus Autoimmunity. Antioxidants (Basel) 2021; 10:antiox10091426. [PMID: 34573058 PMCID: PMC8472682 DOI: 10.3390/antiox10091426] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/02/2021] [Accepted: 09/03/2021] [Indexed: 12/12/2022] Open
Abstract
Our group has investigated the involvement of gut microbiota in hypertension in a murine model of systemic lupus erythematosus induced by Toll-like receptor (TLR)-7 activation. Female BALB/c mice were randomly assigned to four experimental groups: an untreated control (CTR), a group treated with the TLR7 agonist imiquimod (IMQ), IMQ-treated with vancomycin, and IMQ-treated with a cocktail of broad-spectrum antibiotics. We carried out faecal microbiota transplant (FMT) from donor CTR or IMQ mice to recipient IMQ or CTR animals, respectively. Vancomycin inhibited the increase in blood pressure; improved kidney injury, endothelial function, and oxidative stress; and reduced T helper (Th)17 infiltration in aortas from IMQ-treated mice. The rise in blood pressure and vascular complications present in IMQ mice were also observed in the CTR mice recipients of IMQ microbiota. Reduced relative populations of Sutterella and Anaerovibrio were associated with high blood pressure in our animals, which were increased after stool transplantation of healthy microbiota to IMQ mice. The reduced endothelium-dependent vasodilator responses to acetylcholine induced by IMQ microbiota were normalized after interleukin-17 neutralization. In conclusion, gut microbiota plays a role in the TLR7-driven increase in Th17 cell, endothelial dysfunction, vascular inflammation, and hypertension. The vascular changes induced by IMQ microbiota were initiated by Th17 infiltrating the vasculature.
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17
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Arthur RA, Dos Santos Bezerra R, Ximenez JPB, Merlin BL, de Andrade Morraye R, Neto JV, Fava NMN, Figueiredo DLA, de Biagi CAO, Montibeller MJ, Guimarães JB, Alves EG, Schreiner M, da Costa TS, da Silva CFL, Malheiros JM, da Silva LHB, Ribas GT, Achallma DO, Braga CM, Andrade KFA, do Carmo Alves Martins V, Dos Santos GVN, Granatto CF, Terin UC, Sanches IH, Ramos DE, Garay-Malpartida HM, de Souza GMP, Slavov SN, Silva WA. Microbiome and oral squamous cell carcinoma: a possible interplay on iron metabolism and its impact on tumor microenvironment. Braz J Microbiol 2021; 52:1287-1302. [PMID: 34002353 PMCID: PMC8324744 DOI: 10.1007/s42770-021-00491-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 04/06/2021] [Indexed: 12/23/2022] Open
Abstract
There is increasing evidence showing positive association between changes in oral microbiome and the occurrence of oral squamous cell carcinoma (OSCC). Alcohol- and nicotine-related products can induce microbial changes but are still unknown if these changes are related to cancerous lesion sites. In an attempt to understand how these changes can influence the OSCC development and maintenance, the aim of this study was to investigate the oral microbiome linked with OSCC as well as to identify functional signatures and associate them with healthy or precancerous and cancerous sites. Our group used data of oral microbiomes available in public repositories. The analysis included data of oral microbiomes from electronic cigarette users, alcohol consumers, and precancerous and OSCC samples. An R-based pipeline was used for taxonomic and functional prediction analysis. The Streptococcus spp. genus was the main class identified in the healthy group. Haemophilus spp. predominated in precancerous lesions. OSCC samples revealed a higher relative abundance compared with the other groups, represented by an increased proportion of Fusobacterium spp., Prevotella spp., Haemophilus spp., and Campylobacter spp. Venn diagram analysis showed 52 genera exclusive of OSCC samples. Both precancerous and OSCC samples seemed to present a specific associated functional pattern. They were menaquinone-dependent protoporphyrinogen oxidase pattern enhanced in the former and both 3',5'-cyclic-nucleotide phosphodiesterase (purine metabolism) and iron(III) transport system ATP-binding protein enhanced in the latter. We conclude that although precancerous and OSCC samples present some differences on microbial profile, both microbiomes act as "iron chelators-like" potentially contributing to tumor growth.
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Affiliation(s)
- Rodrigo Alex Arthur
- Preventive and Community Dentistry Department, Faculty of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, 90035-003, Brazil
| | - Rafael Dos Santos Bezerra
- Postgraduate Program in Clinical Oncology, Stem Cells and Cell Therapy, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
- Center for Cell-Based Therapy (CEPID/FAPESP), Molecular Genetics and Bioinformatics Laboratory - MGBL, National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, 14049-900, Brazil
| | - João Paulo Bianchi Ximenez
- Center for Cell-Based Therapy (CEPID/FAPESP), Molecular Genetics and Bioinformatics Laboratory - MGBL, National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, 14049-900, Brazil
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Bruna Laís Merlin
- Department of Entomology and Acarology, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, 13418-900, Brazil
| | - Raphael de Andrade Morraye
- Center for Cell-Based Therapy (CEPID/FAPESP), Molecular Genetics and Bioinformatics Laboratory - MGBL, National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, 14049-900, Brazil
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
- Ribeirão Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, 14049-900, Brazil
| | - João Valentini Neto
- Department of Nutrition, School of Public Health, University of Sao Paulo, São Paulo, SP, 01246-904, Brazil
| | - Natália Melo Nasser Fava
- Department of Hydraulics and Sanitation, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, 13563-120, Brazil
| | - David Livingstone Alves Figueiredo
- Institute for Cancer Research (IPEC), Guarapuava, PR, 85015-430, Brazil
- Department of Medicine, UNICENTRO, Guarapuava, PR, 85015-430, Brazil
| | - Carlos Alberto Oliveira de Biagi
- Center for Cell-Based Therapy (CEPID/FAPESP), Molecular Genetics and Bioinformatics Laboratory - MGBL, National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, 14049-900, Brazil
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Maria Jara Montibeller
- Department of Food and Nutrition, School of Pharmaceutical Sciences, São Paulo State University, Araraquara, SP, Brazil
| | - Jhefferson Barbosa Guimarães
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of Sao Paulo, Ribeirão Preto, SP, Brazil
| | - Ellen Gomes Alves
- Undergraduate in Biological Sciences, Institute of Health Sciences, Universidade Paulista, Ribeirão Preto, SP, Brazil
| | - Monique Schreiner
- Graduate Program in Bioinformatics, Professional and Technological Education Sector, Federal University of Paraná, Curitiba, PR, Brazil
| | - Tiago Silva da Costa
- Department of Biological Sciences and Health, Federal University of Amapá, Macapá, AP, Brazil
| | - Charlie Felipe Liberati da Silva
- Graduate Program in Bioinformatics, Professional and Technological Education Sector, Federal University of Paraná, Curitiba, PR, Brazil
| | | | - Luan Henrique Burda da Silva
- Graduate Program in Bioinformatics, Professional and Technological Education Sector, Federal University of Paraná, Curitiba, PR, Brazil
| | - Guilherme Taborda Ribas
- Graduate Program in Bioinformatics, Professional and Technological Education Sector, Federal University of Paraná, Curitiba, PR, Brazil
| | - Daisy Obispo Achallma
- Laboratorios de Investigación y Desarrollo, FARVET, Chincha Alta, Ica, Perú & Centro de Investigación de Genética y Biología Molecular (CIGBM), Universidad de San Martín de Porres, Lima, Perú
| | - Camila Margalho Braga
- Graduate Program in Parasitic Biology in the Amazon, Pará State University, Belém, PA, Brazil
| | - Karen Flaviane Assis Andrade
- Department of Electrical and Biomedical Engineering, Institute of Technology, Federal University of Pará, Belém, PA, Brazil
| | | | | | | | | | - Igor Henrique Sanches
- Institute of Pathology Tropical and Public Health, Federal University of Goiás, Goiânia, GO, Brazil
| | - Diana Estefania Ramos
- Department of Oral; Maxillofacial Surgery, and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | | | - Gabriela Marcelino Pereira de Souza
- Center for Cell-Based Therapy (CEPID/FAPESP), Molecular Genetics and Bioinformatics Laboratory - MGBL, National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, 14049-900, Brazil
| | - Svetoslav Nanev Slavov
- Center for Cell-Based Therapy (CEPID/FAPESP), Molecular Genetics and Bioinformatics Laboratory - MGBL, National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, 14049-900, Brazil
| | - Wilson Araújo Silva
- Center for Cell-Based Therapy (CEPID/FAPESP), Molecular Genetics and Bioinformatics Laboratory - MGBL, National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, 14049-900, Brazil.
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil.
- Center for Cell-Based Therapy (CEPID/FAPESP), Molecular Genetics and Bioinformatics Laboratory - MGBL, Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501 - 14051-140 Ribeirão Preto, São Paulo, Brasil.
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18
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Dinakis E, Nakai M, Gill PA, Yiallourou S, Sata Y, Muir J, Carrington M, Head GA, Kaye DM, Marques FZ. The Gut Microbiota and Their Metabolites in Human Arterial Stiffness. Heart Lung Circ 2021; 30:1716-1725. [PMID: 34452845 DOI: 10.1016/j.hlc.2021.07.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 07/21/2021] [Accepted: 07/26/2021] [Indexed: 01/13/2023]
Abstract
AIM Gut microbiota-derived metabolites, such as short-chain fatty acids (SCFAs) have vasodilator properties in animal and human ex vivo arteries. However, the role of the gut microbiota and SCFAs in arterial stiffness in humans is still unclear. Here we aimed to determine associations between the gut microbiome, SCFA and their G-protein coupled sensing receptors (GPCRs) in relation to human arterial stiffness. METHODS Ambulatory arterial stiffness index (AASI) was determined from ambulatory blood pressure (BP) monitoring in 69 participants from regional and metropolitan regions in Australia (55.1% women; mean, 59.8± SD, 7.26 years of age). The gut microbiome was determined by 16S rRNA sequencing, SCFA levels by gas chromatography, and GPCR expression in circulating immune cells by real-time PCR. RESULTS There was no association between metrics of bacterial α and β diversity and AASI or AASI quartiles in men and women. We identified two main bacteria taxa that were associated with AASI quartiles: Lactobacillus spp. was only present in the lowest quartile, while Clostridium spp. was present in all quartiles but the lowest. AASI was positively associated with higher levels of plasma, but not faecal, butyrate. Finally, we identified that the expression of GPR43 (FFAR2) and GPR41 (FFAR3) in circulating immune cells were negatively associated with AASI. CONCLUSIONS Our results suggest that arterial stiffness is associated with lower levels of the metabolite-sensing receptors GPR41/GPR43 in humans, blunting its response to BP-lowering metabolites such as butyrate. The role of Lactobacillus spp. and Clostridium spp., as well as butyrate-sensing receptors GPR41/GPR43, in human arterial stiffness needs to be determined.
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Affiliation(s)
- Evany Dinakis
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Melbourne, Vic, Australia
| | - Michael Nakai
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Melbourne, Vic, Australia
| | - Paul A Gill
- Department of Gastroenterology, Monash University, Melbourne, Vic, Australia
| | - Stephanie Yiallourou
- Preclinical Disease and Prevention, Baker Heart and Diabetes Institute, Melbourne, Vic, Australia
| | - Yusuke Sata
- Neuropharmacology Laboratory, Baker Heart and Diabetes Institute, Melbourne, Vic, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences, Monash University, Melbourne, Vic, Australia; Department of Cardiology, Alfred Hospital, Melbourne, Vic, Australia
| | - Jane Muir
- Department of Gastroenterology, Monash University, Melbourne, Vic, Australia
| | - Melinda Carrington
- Preclinical Disease and Prevention, Baker Heart and Diabetes Institute, Melbourne, Vic, Australia
| | - Geoffrey A Head
- Neuropharmacology Laboratory, Baker Heart and Diabetes Institute, Melbourne, Vic, Australia; Department of Pharmacology, Faculty of Medicine Nursing and Health Sciences, Monash University, Melbourne, Vic, Australia
| | - David M Kaye
- Central Clinical School, Faculty of Medicine Nursing and Health Sciences, Monash University, Melbourne, Vic, Australia; Department of Cardiology, Alfred Hospital, Melbourne, Vic, Australia; Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Vic, Australia
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Melbourne, Vic, Australia; Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Vic, Australia.
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19
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Beale AL, O'Donnell JA, Nakai ME, Nanayakkara S, Vizi D, Carter K, Dean E, Ribeiro RV, Yiallourou S, Carrington MJ, Marques FZ, Kaye DM. The Gut Microbiome of Heart Failure With Preserved Ejection Fraction. J Am Heart Assoc 2021; 10:e020654. [PMID: 34212778 PMCID: PMC8403331 DOI: 10.1161/jaha.120.020654] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background Risk factors for heart failure with preserved ejection fraction (HFpEF) include hypertension, age, sex, and obesity. Emerging evidence suggests that the gut microbiota independently contributes to each one of these risk factors, potentially mediated via gut microbial‐derived metabolites such as short‐chain fatty acids. In this study, we determined whether the gut microbiota were associated with HFpEF and its risk factors. Methods and Results We recruited 26 patients with HFpEF and 67 control participants from 2 independent communities. Patients with HFpEF were diagnosed by exercise right heart catheterization. We assessed the gut microbiome by bacterial 16S rRNA sequencing and food intake by the food frequency questionnaire. There was a significant difference in α‐diversity (eg, number of microbes) and β‐diversity (eg, type and abundance of microbes) between both cohorts of controls and patients with HFpEF (P=0.001). We did not find an association between β‐diversity and specific demographic or hemodynamic parameters or risk factors for HFpEF. The Firmicutes to Bacteroidetes ratio, a commonly used marker of gut dysbiosis, was lower, but not significantly so (P=0.093), in the patients with HFpEF. Compared with controls, the gut microbiome of patients with HFpEF was depleted of bacteria that are short‐chain fatty acid producers. Consistent with this, participants with HFpEF consumed less dietary fiber (17.6±7.7 versus 23.2±8.8 g/day; P=0.016). Conclusions We demonstrate key changes in the gut microbiota in patients with HFpEF, including the depletion of bacteria that generate metabolites known to be important for cardiovascular homeostasis. Further studies are required to validate the role of these gut microbiota and metabolites in the pathophysiology of HFpEF.
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Affiliation(s)
- Anna L Beale
- Heart Failure Research Group Baker Heart and Diabetes Institute Melbourne Australia.,Department of Cardiology Alfred Hospital Melbourne Australia.,Faculty of Medicine Nursing and Health Sciences Monash University Melbourne Australia
| | - Joanne A O'Donnell
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science Monash University Melbourne Australia
| | - Michael E Nakai
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science Monash University Melbourne Australia
| | - Shane Nanayakkara
- Heart Failure Research Group Baker Heart and Diabetes Institute Melbourne Australia.,Department of Cardiology Alfred Hospital Melbourne Australia
| | - Donna Vizi
- Department of Cardiology Alfred Hospital Melbourne Australia
| | - Kaye Carter
- Department of Cardiology Alfred Hospital Melbourne Australia
| | - Eliza Dean
- Department of Cardiology Alfred Hospital Melbourne Australia
| | - Rosilene V Ribeiro
- School of Life and Environmental Sciences, Charles Perkins Centre University of Sydney Australia
| | - Stephanie Yiallourou
- Pre-Clinical Disease and Prevention Baker Heart and Diabetes Institute Melbourne Australia
| | - Melinda J Carrington
- Pre-Clinical Disease and Prevention Baker Heart and Diabetes Institute Melbourne Australia
| | - Francine Z Marques
- Heart Failure Research Group Baker Heart and Diabetes Institute Melbourne Australia.,Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science Monash University Melbourne Australia
| | - David M Kaye
- Heart Failure Research Group Baker Heart and Diabetes Institute Melbourne Australia.,Department of Cardiology Alfred Hospital Melbourne Australia.,Faculty of Medicine Nursing and Health Sciences Monash University Melbourne Australia
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20
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Silva CBP, Elias-Oliveira J, McCarthy CG, Wenceslau CF, Carlos D, Tostes RC. Ethanol: striking the cardiovascular system by harming the gut microbiota. Am J Physiol Heart Circ Physiol 2021; 321:H275-H291. [PMID: 34142885 DOI: 10.1152/ajpheart.00225.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Ethanol consumption represents a significant public health problem, and excessive ethanol intake is a risk factor for cardiovascular disease (CVD), one of the leading causes of death and disability worldwide. The mechanisms underlying the effects of ethanol on the cardiovascular system are complex and not fully comprehended. The gut microbiota and their metabolites are indispensable symbionts essential for health and homeostasis and therefore, have emerged as potential contributors to ethanol-induced cardiovascular system dysfunction. By mechanisms that are not completely understood, the gut microbiota modulates the immune system and activates several signaling pathways that stimulate inflammatory responses, which in turn, contribute to the development and progression of CVD. This review summarizes preclinical and clinical evidence on the effects of ethanol in the gut microbiota and discusses the mechanisms by which ethanol-induced gut dysbiosis leads to the activation of the immune system and cardiovascular dysfunction. The cross talk between ethanol consumption and the gut microbiota and its implications are detailed. In summary, an imbalance in the symbiotic relationship between the host and the commensal microbiota in a holobiont, as seen with ethanol consumption, may contribute to CVD. Therefore, manipulating the gut microbiota, by using antibiotics, probiotics, prebiotics, and fecal microbiota transplantation might prove a valuable opportunity to prevent/mitigate the deleterious effects of ethanol and improve cardiovascular health and risk prevention.
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Affiliation(s)
- Carla B P Silva
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Jefferson Elias-Oliveira
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Cameron G McCarthy
- Department of Physiology and Pharmacology, The University of Toledo College of Medicine and Life Sciences, Toledo, Ohio
| | - Camilla F Wenceslau
- Department of Physiology and Pharmacology, The University of Toledo College of Medicine and Life Sciences, Toledo, Ohio
| | - Daniela Carlos
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Rita C Tostes
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
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21
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de la Visitación N, Robles-Vera I, Toral M, Gómez-Guzmán M, Sánchez M, Moleón J, González-Correa C, Martín-Morales N, O'Valle F, Jiménez R, Romero M, Duarte J. Gut microbiota contributes to the development of hypertension in a genetic mouse model of systemic lupus erythematosus. Br J Pharmacol 2021; 178:3708-3729. [PMID: 33931880 DOI: 10.1111/bph.15512] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 03/15/2021] [Accepted: 04/25/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND AND PURPOSE Hypertension is an important cardiovascular risk factor that is prevalent in the systemic lupus erythematosus patient population. Here, we have investigated whether intestinal microbiota is involved in hypertension in a genetic mouse model of systemic lupus erythematosus. EXPERIMENTAL APPROACH Twenty-six-week-old female NZW/LacJ (control) and NZBWF1 (F1 hybrid of New Zealand Black and New Zealand White strains; systemic lupus erythematosus) mice were treated for 6 weeks with a broad-spectrum antibiotic mixture or with vancomycin. Faecal microbiota transplantation was performed from donor systemic lupus erythematosus group to recipient to germ-depleted or germ-free mice. KEY RESULTS Antibiotic treatment inhibited the development of hypertension and renal injury, improved endothelial dysfunction and vascular oxidative stress, and decreased aortic Th17 infiltration in NZBWF1 mice. High BP and vascular complications found in systemic lupus erythematosus mice, but not autoimmunity, kidney inflammation and endotoxemia, were reproduced by the transfer of gut microbiota from systemic lupus erythematosus donors to germ-free or germ-depleted mice. Increased proportions of Bacteroides were linked with high BP in these mice. The reduced endothelium-dependent vasodilator responses to acetylcholine and the high BP induced by microbiota from hypertensive systemic lupus erythematosus mice were inhibited after IL-17 neutralization. CONCLUSION AND IMPLICATIONS Changes in T-cell populations, endothelial function, vascular inflammation and hypertension driven by a genetic systemic lupus erythematosus background can be modified by antibiotic-induced changes in gut microbiota. The vascular changes induced by hypertensive systemic lupus erythematosus microbiota were mediated by Th17 infiltration in the vasculature.
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Affiliation(s)
- Néstor de la Visitación
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
| | - Iñaki Robles-Vera
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
| | - Marta Toral
- Gene Regulation in Cardiovascular Remodeling and Inflammation Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Ciber de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Manuel Gómez-Guzmán
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain.,Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Manuel Sánchez
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain.,Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Javier Moleón
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
| | - Cristina González-Correa
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
| | | | - Francisco O'Valle
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain.,Department of Pathology, School of Medicine, University of Granada, Granada, Spain
| | - Rosario Jiménez
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain.,Ciber de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain.,Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Miguel Romero
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain.,Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Juan Duarte
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, Granada, Spain.,Ciber de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain.,Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
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22
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Animal Models for DOHaD Research: Focus on Hypertension of Developmental Origins. Biomedicines 2021; 9:biomedicines9060623. [PMID: 34072634 PMCID: PMC8227380 DOI: 10.3390/biomedicines9060623] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 12/11/2022] Open
Abstract
Increasing evidence suggests that fetal programming through environmental exposure during a critical window of early life leads to long-term detrimental outcomes, by so-called developmental origins of health and disease (DOHaD). Hypertension can originate in early life. Animal models are essential for providing convincing evidence of a causal relationship between diverse early-life insults and the developmental programming of hypertension in later life. These insults include nutritional imbalances, maternal illnesses, exposure to environmental chemicals, and medication use. In addition to reviewing the various insults that contribute to hypertension of developmental origins, this review focuses on the benefits of animal models in addressing the underlying mechanisms by which early-life interventions can reprogram disease processes and prevent the development of hypertension. Our understanding of hypertension of developmental origins has been enhanced by each of these animal models, narrowing the knowledge gap between animal models and future clinical translation.
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23
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de Oliveira Y, Cavalcante RGS, Cavalcanti Neto MP, Magnani M, Braga VDA, de Souza EL, de Brito Alves JL. Oral administration of Lactobacillus fermentum post-weaning improves the lipid profile and autonomic dysfunction in rat offspring exposed to maternal dyslipidemia. Food Funct 2021; 11:5581-5594. [PMID: 32524104 DOI: 10.1039/d0fo00514b] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Maternal dyslipidemia alters the gut microbiota composition and contributes to the development of arterial hypertension (AH) in offspring. Here, we evaluated the effects of a new Lactobacillus fermentum probiotic formulation given post-weaning on cardiometabolic parameters and gut microbiota in male and female rat offspring from dams exposed to maternal dyslipidemia during pregnancy and lactation. METHODS Wistar rats (n = 14) were fed with a control diet (CTL = 7) or a dyslipidemic diet (DLP = 7) during pregnancy and lactation. After weaning, male and female offspring received a standard diet up to 90 days of life. Rats were allocated into three groups: CTL group + saline solution (n = 14); DLP group + saline solution (n = 14) and DLP group receiving a probiotic cocktail (n = 14). A vehicle or probiotic formulation containing L. fermentum 139, L. fermentum 263 and L. fermentum 296 (ratio 1 : 1 : 1, 1 × 109 CFU mL-1) was administered daily by oral gavage for 8 weeks. RESULTS The intervention with the probiotic formulation of L. fermentum in male and female offspring reduced total cholesterol (TC) and increased HDL-c, but did not affect the insulin resistance induced by maternal dyslipidemia. Additionally, the male and female rats that received the probiotic formulation of L. fermentum demonstrated improvement in fecal Lactobacillus sp. counts, blood pressure and sympathetic tone, without affecting baroreflex modulation. CONCLUSION The probiotic formulation containing L. fermentum improved the lipid profile and autonomic dysfunction in male and female offspring exposed to maternal dyslipidemia.
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Affiliation(s)
- Yohanna de Oliveira
- Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa, Brazil.
| | | | | | - Marciane Magnani
- Department of Food Engineering, Technology Center, Federal University of Paraíba, Joao Pessoa, Brazil
| | - Valdir de Andrade Braga
- Department of Biotechnology, Biotechnology Center, Federal University of Paraíba, João Pessoa, Brazil and Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden
| | - Evandro Leite de Souza
- Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa, Brazil.
| | - José Luiz de Brito Alves
- Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa, Brazil.
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24
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Loutradis C, Pickup L, Law JP, Dasgupta I, Townend JN, Cockwell P, Sharif A, Sarafidis P, Ferro CJ. Acute kidney injury is more common in men than women after accounting for socioeconomic status, ethnicity, alcohol intake and smoking history. Biol Sex Differ 2021; 12:30. [PMID: 33832522 PMCID: PMC8034098 DOI: 10.1186/s13293-021-00373-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/19/2021] [Indexed: 12/03/2022] Open
Abstract
Background The association of several comorbidities, including diabetes mellitus, hypertension, cardiovascular disease, heart failure and chronic kidney or liver disease, with acute kidney injury (AKI) is well established. Evidence on the effect of sex and socioeconomic factors are scarce. This study was designed to examine the association of sex and socioeconomic factors with AKI and AKI-related mortality and further to evaluate the additional relationship with other possible risk factors for AKI occurrence. Methods We included 3534 patients (1878 males with mean age 61.1 ± 17.7 and 1656 females 1656 with mean age 60.3 ± 20.0 years) admitted to Queen Elizabeth or Heartlands Hospitals, Birmingham, between October 2013 and January 2016. Patients were prospectively followed-up for a median 47.70 [IQR, 18.20] months. Study-endpoints were incidence of AKI, based on KDIGO-AKI Guidelines, and all-cause mortality. Data acquisition was automated, and information on mortality was collected from the Hospital Episode Statistics and Office of National Statistics. Socioeconomic status was evaluated with the Index of Multiple Deprivation (IMD). Results Incidence of AKI was higher in men compared to women (11.3% vs 7.1%; P < 0.001). Model regression analysis revealed significant association of male sex with higher AKI risk (OR, 1.659; 95% CI, 1.311–2.099; P < 0.001); this association remained significant after adjustment for age, eGFR, IMD, smoking, alcohol consumption, ethnicity, existing comorbidities and treatment (OR, 1.599; 95% CI, 1.215–2.103; P = 0.001). All-cause mortality was higher in patients with compared to those without AKI. Males with AKI had higher mortality rates in the first 6-month and 1-year periods after the index AKI event. The association of male sex with mortality was independent of socioeconomic factors but was not statistically significant after adjustment for existing comorbidities. Conclusions Men are at higher risk of AKI and this association is independent from existing risk factors for AKI. The association between male sex and AKI-related mortality was not independent from existing comorbidities. A better understanding of factors associated with AKI may help accurately identify high-risk patients. Supplementary Information The online version contains supplementary material available at 10.1186/s13293-021-00373-4.
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Affiliation(s)
- Charalampos Loutradis
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK. .,Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
| | - Luke Pickup
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Edgbaston, Birmingham, B15 2TT, UK.,Warwick Medical School, University of Warwick, Coventry, CV4 7HL, UK
| | - Jonathan P Law
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK.,Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Edgbaston, Birmingham, B15 2TT, UK
| | - Indranil Dasgupta
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK.,Warwick Medical School, University of Warwick, Coventry, CV4 7HL, UK
| | - Jonathan N Townend
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Edgbaston, Birmingham, B15 2TT, UK.,Department of Cardiology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK
| | - Paul Cockwell
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK
| | - Adnan Sharif
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK
| | - Pantelis Sarafidis
- Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Charles J Ferro
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK.,Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Edgbaston, Birmingham, B15 2TT, UK
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25
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Li J, Yang X, Zhou X, Cai J. The Role and Mechanism of Intestinal Flora in Blood Pressure Regulation and Hypertension Development. Antioxid Redox Signal 2021; 34:811-830. [PMID: 32316741 DOI: 10.1089/ars.2020.8104] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Significance: Hypertension (HTN) has a complex etiology that is characterized by genetic and environmental factors. It has become a global health burden leading to cardiovascular diseases and kidney diseases, ultimately progressing to premature death. Accumulating evidence indicated that gut microbiome was associated with metabolic disorders and inflammation, which were closely linked to HTN. Recent Advances: Recent studies using bacterial genomic analysis and fecal microbiota transplantation as well as many lines of seminal evidence demonstrated that aberrant gut microbiome was significantly associated with HTN. The intestinal microbiome of both patients and animals with HTN had decreased bacterial diversity, disordered microbial structure and functions, and altered end products of fermentation. Gut dysbiosis and metabolites of the gut microbiota play an important role in blood pressure (BP) control, and they are therefore responsible for developing HTN. Critical Issues: This study aimed at focusing on the recent advances in understanding the role played by gut bacteria and the mechanisms underlying the pathological milieu that induced elevated BP and led to HTN pathogenesis. Potential intervention strategies targeting the correction of gut dysbiosis to improve HTN development were summarized. Future Directions: Larger numbers of fecal transplants from participants with HTN should be carried out to examine the magnitude of BP changes with the replacement of the gut microbiome. The proposed mechanisms for the gut in regulating BP remain to be verified. Whether intervention strategies using probiotics, dietary interventions, bacteriophages, and fecal transplants are feasible for individuals with HTN remains to be explored. Antioxid. Redox Signal. 34, 811-830.
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Affiliation(s)
- Jing Li
- Heart Center, Beijing ChaoYang Hospital, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Hypertension, Beijing, China
| | - Xinchun Yang
- Heart Center, Beijing ChaoYang Hospital, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Hypertension, Beijing, China
| | - Xin Zhou
- Department of Cardiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Jun Cai
- State Key Laboratory of Cardiovascular Disease of China, Hypertension Center, National Center for Cardiovascular Diseases of China, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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26
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Canale MP, Noce A, Di Lauro M, Marrone G, Cantelmo M, Cardillo C, Federici M, Di Daniele N, Tesauro M. Gut Dysbiosis and Western Diet in the Pathogenesis of Essential Arterial Hypertension: A Narrative Review. Nutrients 2021; 13:nu13041162. [PMID: 33915885 PMCID: PMC8066853 DOI: 10.3390/nu13041162] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/23/2021] [Accepted: 03/26/2021] [Indexed: 12/12/2022] Open
Abstract
Metabolic syndrome is a cluster of the most dangerous cardiovascular (CV) risk factors including visceral obesity, insulin resistance, hyperglycemia, alterations in lipid metabolism and arterial hypertension (AH). In particular, AH plays a key role in the complications associated with metabolic syndrome. High salt intake is a well-known risk factor for AH and CV diseases. Vasoconstriction, impaired vasodilation, extracellular volume expansion, inflammation, and an increased sympathetic nervous system (SNS) activity are the mechanisms involved in the pathogenesis of AH, induced by Western diet. Gut dysbiosis in AH is associated with reduction of short chain fatty acid-producing bacteria: acetate, butyrate and propionate, which activate different pathways, causing vasoconstriction, impaired vasodilation, salt and water retention and a consequent high blood pressure. Moreover, increased trimethylamine N-oxide and lipopolysaccharides trigger chronic inflammation, which contributes to endothelial dysfunction and target organs damage. Additionally, a high salt-intake diet impacts negatively on gut microbiota composition. A bidirectional neuronal pathway determines the “brain–gut” axis, which, in turn, influences blood pressure levels. Then, we discuss the possible adjuvant novel treatments related to gut microbiota modulation for AH control.
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Affiliation(s)
- Maria Paola Canale
- Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (M.P.C.); (M.F.)
| | - Annalisa Noce
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (M.D.L.); (G.M.); (N.D.D.)
- Correspondence: (A.N.); (M.T.); Tel.: +39-06-2090-2194 (A.N.); +39-06-2090-2982 (M.T.)
| | - Manuela Di Lauro
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (M.D.L.); (G.M.); (N.D.D.)
| | - Giulia Marrone
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (M.D.L.); (G.M.); (N.D.D.)
- PhD School of Applied Medical, Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Maria Cantelmo
- School of Specialization in Geriatrics, University of Rome Tor Vergata, 00133 Rome, Italy;
| | - Carmine Cardillo
- Department of Internal Medicine and Geriatrics, Policlinico A. Gemelli IRCCS, 00168 Roma, Italy;
| | - Massimo Federici
- Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (M.P.C.); (M.F.)
| | - Nicola Di Daniele
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (M.D.L.); (G.M.); (N.D.D.)
| | - Manfredi Tesauro
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (M.D.L.); (G.M.); (N.D.D.)
- Correspondence: (A.N.); (M.T.); Tel.: +39-06-2090-2194 (A.N.); +39-06-2090-2982 (M.T.)
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Angoa-Pérez M, Kuhn DM. Evidence for Modulation of Substance Use Disorders by the Gut Microbiome: Hidden in Plain Sight. Pharmacol Rev 2021; 73:571-596. [PMID: 33597276 PMCID: PMC7896134 DOI: 10.1124/pharmrev.120.000144] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The gut microbiome modulates neurochemical function and behavior and has been implicated in numerous central nervous system (CNS) diseases, including developmental, neurodegenerative, and psychiatric disorders. Substance use disorders (SUDs) remain a serious threat to the public well-being, yet gut microbiome involvement in drug abuse has received very little attention. Studies of the mechanisms underlying SUDs have naturally focused on CNS reward circuits. However, a significant body of research has accumulated over the past decade that has unwittingly provided strong support for gut microbiome participation in drug reward. β-Lactam antibiotics have been employed to increase glutamate transporter expression to reverse relapse-induced release of glutamate. Sodium butyrate has been used as a histone deacetylase inhibitor to prevent drug-induced epigenetic alterations. High-fat diets have been used to alter drug reward because of the extensive overlap of the circuitry mediating them. This review article casts these approaches in a different light and makes a compelling case for gut microbiome modulation of SUDs. Few factors alter the structure and composition of the gut microbiome more than antibiotics and a high-fat diet, and butyrate is an endogenous product of bacterial fermentation. Drugs such as cocaine, alcohol, opiates, and psychostimulants also modify the gut microbiome. Therefore, their effects must be viewed on a complex background of cotreatment-induced dysbiosis. Consideration of the gut microbiome in SUDs should have the beneficial effects of expanding the understanding of SUDs and aiding in the design of new therapies based on opposing the effects of abused drugs on the host's commensal bacterial community. SIGNIFICANCE STATEMENT: Proposed mechanisms underlying substance use disorders fail to acknowledge the impact of drugs of abuse on the gut microbiome. β-Lactam antibiotics, sodium butyrate, and high-fat diets are used to modify drug seeking and reward, overlooking the notable capacity of these treatments to alter the gut microbiome. This review aims to stimulate research on substance abuse-gut microbiome interactions by illustrating how drugs of abuse share with antibiotics, sodium butyrate, and fat-laden diets the ability to modify the host microbial community.
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Affiliation(s)
- Mariana Angoa-Pérez
- Research and Development Service, John D. Dingell VA Medical Center, and Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, Michigan
| | - Donald M Kuhn
- Research and Development Service, John D. Dingell VA Medical Center, and Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, Michigan
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Kumar RK, Yang Y, Contreras AG, Garver H, Bhattacharya S, Fink GD, Rockwell CE, Watts SW. Phenotypic Changes in T Cell and Macrophage Subtypes in Perivascular Adipose Tissues Precede High-Fat Diet-Induced Hypertension. Front Physiol 2021; 12:616055. [PMID: 33815135 PMCID: PMC8010306 DOI: 10.3389/fphys.2021.616055] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 02/22/2021] [Indexed: 01/03/2023] Open
Abstract
Perivascular adipose tissue (PVAT) may connect adiposity to hypertension because of its vasoactive functions and proximity to blood vessels. We hypothesized that immune cell changes in PVATs precede the development of high fat diet (HFD)-induced hypertension. Both sexes of Dahl S rat become equally hypertensive when fed a HFD. Further, both sexes would have similar immune cell composition in PVATs with the development and progression of hypertension. Male and female Dahl S rats were fed a regular (10% calories from fat; CD) diet or a HFD (60%) from weaning. PVATs from around the thoracic aorta (APVAT) and small mesenteric vessels (MRPVAT) were harvested at 10 weeks (pre-hypertensive), 17 weeks (onset), or 24 (hypertensive) weeks on diet. RNA-sequencing in MRPVAT at 24 weeks indicated sex-differences with HFD (>CD) and diet-differences in males (>females). The top 2 out of 7 immune processes with the maximum number of differentially expressed genes (DEGs) were associated with immune effector processes and leukocyte activation. Macrophages and T cells (and their activation status), neutrophils, mast, B and NK cells were measured by flow cytometry. Sex-specific changes in the number of CD4 memory T cells (males > females) and M2-like macrophages (females > males) in PVATs occur with a HFD before hypertension developed. Sex-differences became more prominent with the development and progression of hypertension, driven by the diet (HFD > CD). These findings suggest that though the magnitudes of increased blood pressure were equivalent in both sexes, the associated phenotypic changes in the immune subsets within the PVATs were different in the male vs. the female with the development and progression of hypertension.
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Affiliation(s)
- Ramya Kalyana Kumar
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
| | - Yongliang Yang
- Department of Biomedical Engineering, Michigan State University, East Lansing, MI, United States.,Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, United States
| | - Andres G Contreras
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States.,Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, MI, United States
| | - Hannah Garver
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
| | - Sudin Bhattacharya
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States.,Department of Biomedical Engineering, Michigan State University, East Lansing, MI, United States.,Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, United States.,Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
| | - Gregory D Fink
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
| | - Cheryl E Rockwell
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
| | - Stephanie W Watts
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
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Robles-Vera I, Toral M, Duarte J. Microbiota and Hypertension: Role of the Sympathetic Nervous System and the Immune System. Am J Hypertens 2020; 33:890-901. [PMID: 32614942 DOI: 10.1093/ajh/hpaa103] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 05/11/2020] [Accepted: 06/26/2020] [Indexed: 12/13/2022] Open
Abstract
There are numerous studies indicating a direct association between hypertension and gut microbiota in both animal models and humans. In this review, we focused on the imbalance in the gut microbiota composition relative to healthy state or homeostasis, termed dysbiosis, associated with hypertension and discuss the current knowledge regarding how microbiota regulates blood pressure (BP), involving the sympathetic nervous system and the immune system. The profile of ecological parameters and bacterial genera composition of gut dysbiosis in hypertension varies according to the experimental model of hypertension. Recent evidence supports that gut microbiota can protect or promote the development of hypertension by interacting with gut secondary lymph organs and altering T helper 17/regulatory T cells polarization, with subsequent changes in T cells infiltration in vascular tissues. Here, we also describe the bidirectional communication between the microbiome and the host via the sympathetic nervous system and its role in BP regulation. Dysbiosis in hypertension is mainly associated with reduced proportions of short-chain fatty acid-producing bacteria, mainly acetate- and butyrate-producing bacteria, and an increased enrichment of the genes for lipopolysaccharide biosynthesis and export, lending to moderate endotoxemia. The role of these metabolic and structural products in both immune and sympathetic system regulation and vascular inflammation was also analyzed. Overall, gut microbiota is now recognized as a well-established target to dietary interventions with prebiotics or probiotics to reduce BP.
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Affiliation(s)
- Iñaki Robles-Vera
- Department of Pharmacology, School of Pharmacy, University of Granada, Granada, Spain
| | - Marta Toral
- Gene Regulation in Cardiovascular Remodeling and Inflammation Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- CIBER-Enfermedades Cardiovasculares (CiberCV), Madrid, Spain
| | - Juan Duarte
- Department of Pharmacology, School of Pharmacy, University of Granada, Granada, Spain
- CIBER-Enfermedades Cardiovasculares (CiberCV), Madrid, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
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Muralitharan RR, Jama HA, Xie L, Peh A, Snelson M, Marques FZ. Microbial Peer Pressure: The Role of the Gut Microbiota in Hypertension and Its Complications. HYPERTENSION (DALLAS, TEX. : 1979) 2020; 76:1674-1687. [PMID: 33012206 DOI: 10.1161/hypertensionaha.120.14473] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
There is increasing evidence of the influence of the gut microbiota on hypertension and its complications, such as chronic kidney disease, stroke, heart failure, and myocardial infarction. This is not surprising considering that the most common risk factors for hypertension, such as age, sex, medication, and diet, can also impact the gut microbiota. For example, sodium and fermentable fiber have been studied in relation to both hypertension and the gut microbiota. By combining second- and, now, third-generation sequencing with metabolomics approaches, metabolites, such as short-chain fatty acids and trimethylamine N-oxide, and their producers, have been identified and are now known to affect host physiology and the cardiovascular system. The receptors that bind these metabolites have also been explored with positive findings-examples include known short-chain fatty acid receptors, such as G-protein coupled receptors GPR41, GPR43, GPR109a, and OLF78 in mice. GPR41 and OLF78 have been shown to have inverse roles in blood pressure regulation, whereas GPR43 and GPR109A have to date been demonstrated to impact cardiac function. New treatment options in the form of prebiotics (eg, dietary fiber), probiotics (eg, Lactobacillus spp.), and postbiotics (eg, the short-chain fatty acids acetate, propionate, and butyrate) have all been demonstrated to be beneficial in lowering blood pressure in animal models, but the underlying mechanisms remain poorly understood and translation to hypertensive patients is still lacking. Here, we review the evidence for the role of the gut microbiota in hypertension, its risk factors, and cardiorenal complications and identify future directions for this exciting and fast-evolving field.
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Affiliation(s)
- Rikeish R Muralitharan
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
- Institute for Medical Research, Ministry of Health Malaysia, Kuala Lumpur, Malaysia (R.R.M.)
| | - Hamdi A Jama
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (H.A.J., F.Z.M.)
| | - Liang Xie
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Australia (L.X.)
| | - Alex Peh
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
| | - Matthew Snelson
- Department of Diabetes, Central Clinical School (M.S.), Monash University, Melbourne, Australia
| | - Francine Z Marques
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., H.A.J., L.X., A.P., F.Z.M.), Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (H.A.J., F.Z.M.)
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Mayneris-Perxachs J, Arnoriaga-Rodríguez M, Luque-Córdoba D, Priego-Capote F, Pérez-Brocal V, Moya A, Burokas A, Maldonado R, Fernández-Real JM. Gut microbiota steroid sexual dimorphism and its impact on gonadal steroids: influences of obesity and menopausal status. MICROBIOME 2020; 8:136. [PMID: 32951609 PMCID: PMC7504665 DOI: 10.1186/s40168-020-00913-x] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Gonadal steroid hormones have been suggested as the underlying mechanism responsible for the sexual dimorphism observed in metabolic diseases. Animal studies have also evidenced a causal role of the gut microbiome and metabolic health. However, the role of sexual dimorphism in the gut microbiota and the potential role of the microbiome in influencing sex steroid hormones and shaping sexually dimorphic susceptibility to disease have been largely overlooked. Although there is some evidence of sex-specific differences in the gut microbiota diversity, composition, and functionality, the results are inconsistent. Importantly, most of these studies have not taken into account the gonadal steroid status. Therefore, we investigated the gut microbiome composition and functionality in relation to sex, menopausal status, and circulating sex steroids. RESULTS No significant differences were found in alpha diversity indices among pre- and post-menopausal women and men, but beta diversity differed among groups. The gut microbiota from post-menopausal women was more similar to men than to pre-menopausal women. Metagenome functional analyses revealed no significant differences between post-menopausal women and men. Gonadal steroids were specifically associated with these differences. Hence, the gut microbiota of pre-menopausal women was more enriched in genes from the steroid biosynthesis and degradation pathways, with the former having the strongest fold change among all associated pathways. Microbial steroid pathways also had significant associations with the plasma levels of testosterone and progesterone. In addition, a specific microbiome signature was able to predict the circulating testosterone levels at baseline and after 1-year follow-up. In addition, this microbiome signature could be transmitted from humans to antibiotic-induced microbiome-depleted male mice, being able to predict donor's testosterone levels 4 weeks later, implying that the microbiota profile of the recipient mouse was influenced by the donor's gender. Finally, obesity eliminated most of the differences observed among non-obese pre-menopausal women, post-menopausal women, and men in the gut microbiota composition (Bray-Curtis and weighted unifrac beta diversity), functionality, and the gonadal steroid status. CONCLUSIONS The present findings evidence clear differences in the gut microbial composition and functionality between men and women, which is eliminated by both menopausal and obesity status. We also reveal a tight link between the gut microbiota composition and the circulating levels of gonadal steroids, particularly testosterone. Video Abstract.
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Affiliation(s)
- Jordi Mayneris-Perxachs
- Department of Endocrinology, Diabetes and Nutrition, Departament de Ciències Mèdiques, Hospital of Girona "Dr JosepTrueta", Girona Biomedical Research Institute (IdibGi), University of Girona, Carretera de França s/n, 17007, Girona, Spain
- CIBERobn Pathophysiology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain
| | - María Arnoriaga-Rodríguez
- Department of Endocrinology, Diabetes and Nutrition, Departament de Ciències Mèdiques, Hospital of Girona "Dr JosepTrueta", Girona Biomedical Research Institute (IdibGi), University of Girona, Carretera de França s/n, 17007, Girona, Spain
- CIBERobn Pathophysiology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain
| | - Diego Luque-Córdoba
- Maimónides Institute of Biomedical Research (IMIBIC), Reina Sofía University Hospital, University of Cordoba, Cordoba, Spain
- CIBERfes Frailty and Healthy Aging, Instituto de Salud Carlos III, Madrid, Spain
| | - Feliciano Priego-Capote
- Maimónides Institute of Biomedical Research (IMIBIC), Reina Sofía University Hospital, University of Cordoba, Cordoba, Spain
- CIBERfes Frailty and Healthy Aging, Instituto de Salud Carlos III, Madrid, Spain
| | - Vicente Pérez-Brocal
- Department of Genomics and Health, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO-Public Health), Valencia, Spain
- CIBER in Epidemiology and Public Health (CIBEResp), Madrid, Spain
| | - Andrés Moya
- Department of Genomics and Health, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO-Public Health), Valencia, Spain
- CIBER in Epidemiology and Public Health (CIBEResp), Madrid, Spain
- Institute for Integrative Systems Biology (I2SysBio), The University of Valencia and The Spanish National Research Council (CSIC-UVEG), Valencia, Spain
| | - Aurelijus Burokas
- Laboratory of Neuropharmacology, Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain
- Present address: Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Rafael Maldonado
- Laboratory of Neuropharmacology, Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
| | - José-Manuel Fernández-Real
- Department of Endocrinology, Diabetes and Nutrition, Departament de Ciències Mèdiques, Hospital of Girona "Dr JosepTrueta", Girona Biomedical Research Institute (IdibGi), University of Girona, Carretera de França s/n, 17007, Girona, Spain.
- CIBERobn Pathophysiology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain.
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Justina VD, Giachini FR, Sullivan JC, Webb RC. Toll-Like Receptors Contribute to Sex Differences in Blood Pressure Regulation. J Cardiovasc Pharmacol 2020; 76:255-266. [PMID: 32902942 PMCID: PMC7751064 DOI: 10.1097/fjc.0000000000000869] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Toll-like receptors (TLRs) play an important role in the innate immune system, and recently, they have been shown to be involved in the regulation of blood pressure. The incidence of hypertension is higher in men, and it increases in postmenopausal women. In fact, premenopausal women are protected from cardiovascular disease compared with age-matched men, and it is well established that this protective effect is lost with menopause. However, the molecular mechanisms underlying this protection in women are unknown. Whether or not it could be related to differential activation of the innate immune system remains to be elucidated. This review focuses on (1) the differences between men and women in TLR activation and (2) whether TLR activation may influence the regulation of blood pressure in a sex-dependent manner.
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Affiliation(s)
- Vanessa Dela Justina
- Graduate Program in Biological Sciences, Federal University of Goiás, Goiânia, Brazil
| | - Fernanda R. Giachini
- Graduate Program in Biological Sciences, Federal University of Goiás, Goiânia, Brazil
- Institute of Health Sciences and Health, Universidad Federal De Mato Grosso, Barra Do Garcas, Brazil
| | - Jennifer C. Sullivan
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, GA
| | - R. Clinton Webb
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, GA
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Gender-associated differences in oral microbiota and salivary biochemical parameters in response to feeding. J Physiol Biochem 2020; 77:155-166. [PMID: 32648199 DOI: 10.1007/s13105-020-00757-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 06/30/2020] [Indexed: 01/12/2023]
Abstract
Saliva plays a key role in food absorption and digestion mainly due to both its enzymes and microbiota. The main objective of this study was to compare the oral microbiota and salivary parameters between men and women in response to feeding. To answer this question, we set up a pilot study on 10 male and 10 female subjects to examine the role of saliva in glycaemia physiology. Biological parameters and the microbiotal composition of saliva were analyzed in fasted and fed states. The results show that the level of blood glucose was not different between men and women in the fasted state (88.00 mg/dL ± 6.38 vs 87.00 mg/dL ±8.07, p = 0.9149) or in the fed state (102.44 mg/dL ± 14.03 vs 116.9 mg/dL ± 25, p = 0.1362). Free fatty acids (FFA 0.15 mmol/L ± 0.15 vs 0.07 mmol/L ± 0.07, p = 0,0078), cholesterol (0.53 mmol/L ± 0.30 vs 0.15 mmol/L ± 0.14, p < 0.0001), and total saliva proteins (13.2 g/L ± 4.31 vs 9.02 g/L ± 6.98, p = 0.0168) were decreased after feeding, as well as the saliva lipase (27.89 U/L ± 25.7 vs 12.28 U/L ± 4.85, p = 0.0126). A very significant increase in the relative abundance of Streptococcaceae (24.56 ± 9.32 vs 13.53 ± 7.47, p = 0.00055) and a decrease in Prevotellaceae (34.45 ± 9.30 vs 17.43 ± 9.03, p = 0.00055) were observed in the fed condition. When investigating gender-related differences in the fasted state, men showed higher levels of cholesterol (0.71 mmol/L ± 0.26 vs 0.40 mmol/L ± 0.27, p = 0.0329), FFA (0.25 mmol/L ± 0.18 vs 0.08 mmol/L ± 0.06, p = 0.0049), and triglycerides (0.24 mmol/L ± 0.15 vs 0.09 mmol/L ± 0.04, p = 0.006) than women. Finally, differences could be observed in saliva microbiota between men and women in the fasted condition but even more in the fed condition, where Porphyromonas and Capnocytophaga were overrepresented in the male salivary samples compared with female saliva. Thus, biological parameters and microbiota in saliva could be the signatures of the feeding conditions and sex gender status.
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de Oliveira Silva F, Lemos TC, Sandôra D, Monteiro M, Perrone D. Fermentation of soybean meal improves isoflavone metabolism after soy biscuit consumption by adults. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:2991-2998. [PMID: 32048288 DOI: 10.1002/jsfa.10328] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 01/27/2020] [Accepted: 02/12/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Urinary excretion of isoflavones and their metabolites after the consumption of soybean meal (SBM) and fermented soybean meal (FSBM) biscuits was investigated in humans in a randomized double-blinded crossover clinical trial. RESULTS Aglycones were the most abundant metabolites in urine in both treatments. After FSBM consumption, total urinary excretion of aglycones and metabolites was 54% higher when compared to SBM biscuits. All metabolites were more rapidly excreted after FSBM biscuit consumption when compared to SBM biscuits. Urinary recovery of isoflavones was higher after FSBM biscuit consumption, reaching 67%. Women excreted higher amounts of colonic metabolites and lower amounts of aglycones than men. The prevalence of O-demethylangolensin-producer, equol-producer and nonproducer metabotypes was 56%, 11% and 36% after SBM consumption and 72%, 11% and 17% after FSBM consumption, respectively. CONCLUSIONS Together, our findings indicate that fermentation improves isoflavone bioavailability and possibly reduces the impact of gut microbiota on the metabolism of isoflavones. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Fabricio de Oliveira Silva
- Laboratório de Bioquímica Nutricional e de Alimentos, Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório de Desenvolvimento e Análise Sensorial de Alimentos, Department of Natural Products and Food, Pharmacy Faculty, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Thayane Cc Lemos
- Laboratório de Bioquímica Nutricional e de Alimentos, Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório de Alimentos Funcionais, Nutrition Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Diego Sandôra
- Laboratório de Bioquímica Nutricional e de Alimentos, Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mariana Monteiro
- Laboratório de Alimentos Funcionais, Nutrition Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Daniel Perrone
- Laboratório de Bioquímica Nutricional e de Alimentos, Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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Klinge CM. Estrogenic control of mitochondrial function. Redox Biol 2020; 31:101435. [PMID: 32001259 PMCID: PMC7212490 DOI: 10.1016/j.redox.2020.101435] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 01/14/2020] [Accepted: 01/16/2020] [Indexed: 12/15/2022] Open
Abstract
Sex-based differences in human disease are caused in part by the levels of endogenous sex steroid hormones which regulate mitochondrial metabolism. This review updates a previous review on how estrogens regulate metabolism and mitochondrial function that was published in 2017. Estrogens are produced by ovaries and adrenals, and in lesser amounts by adipose, breast stromal, and brain tissues. At the cellular level, the mechanisms by which estrogens regulate diverse cellular functions including reproduction and behavior is by binding to estrogen receptors α, β (ERα and ERβ) and G-protein coupled ER (GPER1). ERα and ERβ are transcription factors that bind genomic and mitochondrial DNA to regulate gene transcription. A small proportion of ERα and ERβ interact with plasma membrane-associated signaling proteins to activate intracellular signaling cascades that ultimately alter transcriptional responses, including mitochondrial morphology and function. Although the mechanisms and targets by which estrogens act directly and indirectly to regulate mitochondrial function are not fully elucidated, it is clear that estradiol regulates mitochondrial metabolism and morphology via nuclear and mitochondrial-mediated events, including stimulation of nuclear respiratory factor-1 (NRF-1) transcription that will be reviewed here. NRF-1 is a transcription factor that interacts with coactivators including peroxisome proliferator-activated receptor gamma, coactivator 1 alpha (PGC-1α) to regulate nuclear-encoded mitochondrial genes. One NRF-1 target is TFAM that binds mtDNA to regulate its transcription. Nuclear-encoded miRNA and lncRNA regulate mtDNA-encoded and nuclear-encoded transcripts that regulate mitochondrial function, thus acting as anterograde signals. Other estrogen-regulated mitochondrial activities including bioenergetics, oxygen consumption rate (OCR), and extracellular acidification (ECAR), are reviewed.
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Affiliation(s)
- Carolyn M Klinge
- Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, 40292, KY, USA.
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Jama HA, Marques FZ. Don't Take It With a Pinch of Salt: How Sodium Increases Blood Pressure via the Gut Microbiota. Circ Res 2020; 126:854-856. [PMID: 32213140 DOI: 10.1161/circresaha.120.316816] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Hamdi A Jama
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia (H.A.J., F.Z.M.).,Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (H.A.J., F.Z.M.)
| | - Francine Z Marques
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia (H.A.J., F.Z.M.).,Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (H.A.J., F.Z.M.)
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Man AWC, Li H, Xia N. Resveratrol and the Interaction between Gut Microbiota and Arterial Remodelling. Nutrients 2020; 12:nu12010119. [PMID: 31906281 PMCID: PMC7019510 DOI: 10.3390/nu12010119] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 12/23/2019] [Accepted: 12/25/2019] [Indexed: 12/15/2022] Open
Abstract
Arterial remodelling refers to the alteration in the structure of blood vessel that contributes to the progression of hypertension and other cardiovascular complications. Arterial remodelling is orchestrated by the crosstalk between the endothelium and vascular smooth muscle cells (VSMC). Vascular inflammation participates in arterial remodelling. Resveratrol is a natural polyphenol that possesses anti-oxidant and anti-inflammatory properties and has beneficial effects in both the endothelium and VSMC. Resveratrol has been studied for the protective effects in arterial remodelling and gut microbiota, respectively. Gut microbiota plays a critical role in the immune system and inflammatory processes. Gut microbiota may also regulate vascular remodelling in cardiovascular complications via affecting endothelium function and VSMC proliferation. Currently, there is new evidence showing that gut microbiota regulate the proliferation of VSMC and the formation of neointimal hyperplasia in response to injury. The change in population of the gut microbiota, as well as their metabolites (e.g., short-chain fatty acids) could critically contribute to VSMC proliferation, cell cycle progression, and migration. Recent studies have provided strong evidence that correlate the effects of resveratrol in arterial remodelling and gut microbiota. This review aims to summarize recent findings on the resveratrol effects on cardiovascular complications focusing on arterial remodelling and discuss the possible interactions of resveratrol and the gut microbiota that modulate arterial remodelling.
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Affiliation(s)
- Andy W C Man
- Department of Pharmacology, Johannes Gutenberg University Medical Center, 55131 Mainz, Germany
| | - Huige Li
- Department of Pharmacology, Johannes Gutenberg University Medical Center, 55131 Mainz, Germany
| | - Ning Xia
- Department of Pharmacology, Johannes Gutenberg University Medical Center, 55131 Mainz, Germany
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Marques FZ, Jama HA, Tsyganov K, Gill PA, Rhys-Jones D, Muralitharan RR, Muir J, Holmes A, Mackay CR. Guidelines for Transparency on Gut Microbiome Studies in Essential and Experimental Hypertension. Hypertension 2019; 74:1279-1293. [DOI: 10.1161/hypertensionaha.119.13079] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Hypertension is a complex and modifiable condition in which environmental factors contribute to both onset and progression. Recent evidence has accumulated for roles of diet and the gut microbiome as environmental factors in blood pressure regulation. However, this is complex because gut microbiomes are a unique feature of each individual reflecting that individual’s developmental and environmental history creating caveats for both experimental models and human studies. Here, we describe guidelines for conducting gut microbiome studies in experimental and clinical hypertension. We provide a complete guide for authors on proper design, analyses, and reporting of gut microbiota/microbiome and metabolite studies and checklists that can be used by reviewers and editors to support robust reporting and interpretation. We discuss factors that modulate the gut microbiota in animal (eg, cohort, controls, diet, developmental age, housing, sex, and models used) and human studies (eg, blood pressure measurement and medication, body mass index, demographic characteristics including age, cultural identification, living structure, sex and socioeconomic environment, and exclusion criteria). We also provide best practice advice on sampling, storage of fecal/cecal samples, DNA extraction, sequencing methods (including metagenomics and 16S rRNA), and computational analyses. Finally, we discuss the measurement of short-chain fatty acids, metabolites produced by the gut microbiota, and interpretation of data. These guidelines should support better transparency, reproducibility, and translation of findings in the field of gut microbiota/microbiome in hypertension and cardiovascular disease.
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Affiliation(s)
- Francine Z. Marques
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (F.Z.M., H.A.J.)
| | - Hamdi A. Jama
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (F.Z.M., H.A.J.)
| | - Kirill Tsyganov
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
| | - Paul A. Gill
- Translational Nutrition Science in the Department of Gastroenterology, Central Clinical School (P.A.G., J.M., D.R-J.), Monash University, Melbourne, Australia
| | - Dakota Rhys-Jones
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
| | - Rikeish R. Muralitharan
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
- Institute for Medical Research, Ministry of Health Malaysia, Kuala Lumpur, Malaysia (R.R.M.)
| | - Jane Muir
- Translational Nutrition Science in the Department of Gastroenterology, Central Clinical School (P.A.G., J.M., D.R-J.), Monash University, Melbourne, Australia
| | - Andrew Holmes
- Charles Perkin Centre and School of Life and Environmental Sciences, University of Sydney, Australia (A.H.)
| | - Charles R. Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute (C.R.M.), Monash University, Melbourne, Australia
- Department of Biochemistry and Molecular Biology (C.R.M.), Monash University, Melbourne, Australia
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Circulating Metabolites Originating from Gut Microbiota Control Endothelial Cell Function. Molecules 2019; 24:molecules24213992. [PMID: 31694161 PMCID: PMC6864778 DOI: 10.3390/molecules24213992] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 10/15/2019] [Accepted: 11/03/2019] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular functionality strictly depends on endothelial cell trophism and proper biochemical function. Any condition (environmental, pharmacological/toxicological, physical, or neuro-humoral) that changes the vascular endothelium has great consequences for the organism’s wellness and on the outcome and evolution of severe cardiovascular pathologies. Thus, knowledge of the mechanisms, both endogenous and external, that affect endothelial dysfunction is pivotal to preventing and treating these disorders. In recent decades, significant attention has been focused on gut microbiota and how these symbiotic microorganisms can influence host health and disease development. Indeed, dysbiosis has been reported to be at the base of a range of different pathologies, including pathologies of the cardiovascular system. The study of the mechanism underlying this relationship has led to the identification of a series of metabolites (released by gut bacteria) that exert different effects on all the components of the vascular system, and in particular on endothelial cells. The imbalance of factors promoting or blunting endothelial cell viability and function and angiogenesis seems to be a potential target for the development of new therapeutic interventions. This review highlights the circulating factors identified to date, either directly produced by gut microbes or resulting from the metabolism of diet derivatives as polyphenols.
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Relationship between Nutrition and Alcohol Consumption with Blood Pressure: The ESTEBAN Survey. Nutrients 2019; 11:nu11061433. [PMID: 31242675 PMCID: PMC6627946 DOI: 10.3390/nu11061433] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 06/19/2019] [Accepted: 06/24/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Dietary interventions are recommended for the prevention of hypertension. The aim of this study was to evaluate and quantify the relationship between alcohol consumption and the DASH (Dietary Approaches to Stop Hypertension) score with blood pressure (BP) stratified by gender. METHODS Cross-sectional analyses were performed using data from 2105 adults from the ESTEBAN survey, a representative sample of the French population. Pearson correlation analyses were used to assess the correlation between the DASH score and alcohol with BP. Regressions were adjusted by age, treatment, socio-economic level, tobacco, exercise, Body mass index (BMI), and cardiovascular risk factors and diseases. RESULTS The DASH score was negatively correlated with systolic (SBP) and diastolic BP (DBP) (p < 0.0001). Alcohol was positively associated with increased BP only in men. The worst quintile of the DASH score was associated with an 1.8 mmHg increase in SBP and an 0.6 mmHg increase in SBP compared to the greatest quintile in men and with a 1.5 mmHg increase in SBP and an 0.4 mmHg increase in SBP in women. Male participants in the worst quintile of alcohol consumption showed an increase of 3.0 mmHg in SBP and 0.8 mmHg in DBP compared to those in the greatest quintile. CONCLUSION A high DASH score and a reduction in alcohol consumption could be effective nutritional strategies for the prevention of hypertension.
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