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Miyauchi H, Geisberger S, Luft FC, Wilck N, Stegbauer J, Wiig H, Dechend R, Jantsch J, Kleinewietfeld M, Kempa S, Müller DN. Sodium as an Important Regulator of Immunometabolism. Hypertension 2024; 81:426-435. [PMID: 37675565 PMCID: PMC10863658 DOI: 10.1161/hypertensionaha.123.19489] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
Salt sensitivity concerns blood pressure alterations after a change in salt intake (sodium chloride). The heart is a pump, and vessels are tubes; sodium can affect both. A high salt intake increases cardiac output, promotes vascular dysfunction and capillary rarefaction, and chronically leads to increased systemic vascular resistance. More recent findings suggest that sodium also acts as an important second messenger regulating energy metabolism and cellular functions. Besides endothelial cells and fibroblasts, sodium also affects innate and adaptive immunometabolism, immune cell function, and influences certain microbes and microbiota-derived metabolites. We propose the idea that the definition of salt sensitivity should be expanded beyond high blood pressure to cellular and molecular salt sensitivity.
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Affiliation(s)
- Hidetaka Miyauchi
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany (H.M., S.G., F.C.L., N.W., R.D., S.K., D.N.M.)
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
- Experimental and Clinical Research Center, a joint cooperation of Max Delbrück Center for Molecular Medicine and Charité-Universitätsmedizin Berlin, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
- German Centre for Cardiovascular Research, Partner Site Berlin, Germany (H.M., N.W., R.D., D.N.M.)
| | - Sabrina Geisberger
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany (H.M., S.G., F.C.L., N.W., R.D., S.K., D.N.M.)
| | - Friedrich C. Luft
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany (H.M., S.G., F.C.L., N.W., R.D., S.K., D.N.M.)
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
- Experimental and Clinical Research Center, a joint cooperation of Max Delbrück Center for Molecular Medicine and Charité-Universitätsmedizin Berlin, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
| | - Nicola Wilck
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany (H.M., S.G., F.C.L., N.W., R.D., S.K., D.N.M.)
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
- Experimental and Clinical Research Center, a joint cooperation of Max Delbrück Center for Molecular Medicine and Charité-Universitätsmedizin Berlin, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
- German Centre for Cardiovascular Research, Partner Site Berlin, Germany (H.M., N.W., R.D., D.N.M.)
| | - Johannes Stegbauer
- Department of Nephrology, Faculty of Medicine, University Hospital, Heinrich-Heine-University, Düsseldorf, Germany (J.S.)
- CARID, Cardiovascular Research Institute Düsseldorf, Medical Faculty and University Hospital, Düsseldorf, Germany (J.S.)
| | - Helge Wiig
- Department of Biomedicine, University of Bergen, Norway (H.W.)
| | - Ralf Dechend
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany (H.M., S.G., F.C.L., N.W., R.D., S.K., D.N.M.)
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
- Experimental and Clinical Research Center, a joint cooperation of Max Delbrück Center for Molecular Medicine and Charité-Universitätsmedizin Berlin, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
- German Centre for Cardiovascular Research, Partner Site Berlin, Germany (H.M., N.W., R.D., D.N.M.)
- HELIOS Clinic, Department of Cardiology and Nephrology, Berlin, Germany (R.D.)
| | - Jonathan Jantsch
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg and University of Regensburg, Germany (J.J.)
- Institute for Medical Microbiology, Immunology, and Hygiene, and Center for Molecular Medicine Cologne, University Hospital Cologne and Faculty of Medicine, University of Cologne, Germany (J.J.)
| | - Markus Kleinewietfeld
- VIB Laboratory of Translational Immunomodulation, VIB Center for Inflammation Research, Hasselt University, Diepenbeek, Belgium (M.K.)
- Department of Immunology, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium (M.K.)
- University Multiple Sclerosis Center, Hasselt University/Campus Diepenbeek, Belgium (M.K.)
| | - Stefan Kempa
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany (H.M., S.G., F.C.L., N.W., R.D., S.K., D.N.M.)
| | - Dominik N. Müller
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany (H.M., S.G., F.C.L., N.W., R.D., S.K., D.N.M.)
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
- Experimental and Clinical Research Center, a joint cooperation of Max Delbrück Center for Molecular Medicine and Charité-Universitätsmedizin Berlin, Germany (H.M., F.C.L., N.W., R.D., D.N.M.)
- German Centre for Cardiovascular Research, Partner Site Berlin, Germany (H.M., N.W., R.D., D.N.M.)
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Bronzini M, Maglione A, Rosso R, Matta M, Masuzzo F, Rolla S, Clerico M. Feeding the gut microbiome: impact on multiple sclerosis. Front Immunol 2023; 14:1176016. [PMID: 37304278 PMCID: PMC10248010 DOI: 10.3389/fimmu.2023.1176016] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/02/2023] [Indexed: 06/13/2023] Open
Abstract
Multiple sclerosis (MS) is a multifactorial neurological disease characterized by chronic inflammation and immune-driven demyelination of the central nervous system (CNS). The rising number of MS cases in the last decade could be partially attributed to environmental changes, among which the alteration of the gut microbiome driven by novel dietary habits is now of particular interest. The intent of this review is to describe how diet can impact the development and course of MS by feeding the gut microbiome. We discuss the role of nutrition and the gut microbiota in MS disease, describing preclinical studies on experimental autoimmune encephalomyelitis (EAE) and clinical studies on dietary interventions in MS, with particular attention to gut metabolites-immune system interactions. Possible tools that target the gut microbiome in MS, such as the use of probiotics, prebiotics and postbiotics, are analyzed as well. Finally, we discuss the open questions and the prospects of these microbiome-targeted therapies for people with MS and for future research.
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Affiliation(s)
- Matteo Bronzini
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
| | - Alessandro Maglione
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
| | - Rachele Rosso
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
| | - Manuela Matta
- San Luigi Gonzaga University Hospital, Orbassano, Italy
| | | | - Simona Rolla
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
| | - Marinella Clerico
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
- San Luigi Gonzaga University Hospital, Orbassano, Italy
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3
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Khandekar D, Dahunsi DO, Manzanera Esteve IV, Reid S, Rathmell JC, Titze J, Tiriveedhi V. Low-Salt Diet Reduces Anti-CTLA4 Mediated Systemic Immune-Related Adverse Events while Retaining Therapeutic Efficacy against Breast Cancer. BIOLOGY 2022; 11:810. [PMID: 35741331 PMCID: PMC9219826 DOI: 10.3390/biology11060810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/14/2022] [Accepted: 05/23/2022] [Indexed: 11/16/2022]
Abstract
Immune checkpoint inhibitor (ICI) therapy has revolutionized the breast cancer treatment landscape. However, ICI-induced systemic inflammatory immune-related adverse events (irAE) remain a major clinical challenge. Previous studies in our laboratory and others have demonstrated that a high-salt (HS) diet induces inflammatory activation of CD4+T cells leading to anti-tumor responses. In our current communication, we analyzed the impact of dietary salt modification on therapeutic and systemic outcomes in breast-tumor-bearing mice following anti-cytotoxic T-lymphocyte-associated protein 4 (CTLA4) monoclonal antibody (mAb) based ICI therapy. As HS diet and anti-CTLA4 mAb both exert pro-inflammatory activation of CD4+T cells, we hypothesized that a combination of these would lead to enhanced irAE response, while low-salt (LS) diet through blunting peripheral inflammatory action of CD4+T cells would reduce irAE response. We utilized an orthotopic murine breast tumor model by injecting Py230 murine breast cancer cells into syngeneic C57Bl/6 mice. In an LS diet cohort, anti-CTLA4 mAb treatment significantly reduced tumor progression (day 35, 339 ± 121 mm3), as compared to isotype mAb (639 ± 163 mm3, p < 0.05). In an HS diet cohort, treatment with anti-CTLA4 reduced the survival rate (day 80, 2/15) compared to respective normal/regular salt (NS) diet cohort (8/15, p < 0.05). Further, HS plus anti-CTLA4 mAb caused an increased expression of inflammatory cytokines (IFNγ and IL-1β) in lung infiltrating and peripheral circulating CD4+T cells. This inflammatory activation of CD4+T cells in the HS plus anti-CTLA4 cohort was associated with the upregulation of inflammasome complex activity. However, an LS diet did not induce any significant irAE response in breast-tumor-bearing mice upon treatment with anti-CTLA4 mAb, thus suggesting the role of high-salt diet in irAE response. Importantly, CD4-specific knock out of osmosensitive transcription factor NFAT5 using CD4cre/creNFAT5flox/flox transgenic mice caused a downregulation of high-salt-mediated inflammatory activation of CD4+T cells and irAE response. Taken together, our data suggest that LS diet inhibits the anti-CTLA4 mAb-induced irAE response while retaining its anti-tumor efficacy.
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Affiliation(s)
- Durga Khandekar
- Department of Biological Sciences, Tennessee State University, Nashville, TN 37209, USA;
| | - Debolanle O. Dahunsi
- Department Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232, USA; (D.O.D.); (J.C.R.)
| | | | - Sonya Reid
- Division of Hematology and Oncology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA;
| | - Jeffrey C. Rathmell
- Department Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232, USA; (D.O.D.); (J.C.R.)
| | - Jens Titze
- Program in Cardiovascular and Metabolic Disorders, Duke-NUS Medical School, Singapore 169857, Singapore;
- Division of Nephrology, School of Medicine, Duke University, Durham, NC 27710, USA
| | - Venkataswarup Tiriveedhi
- Department of Biological Sciences, Tennessee State University, Nashville, TN 37209, USA;
- Division of Pharmacology, Vanderbilt University, Nashville, TN 37240, USA
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Gholami A, Ghanbari A, Rezaei S, Baradaran HR, Khatibzadeh S, Parsaeian M, Hariri M, Zamaninour N, Sheidaei A, Abdollahi M, Mirmiran P, Ghayour-Mobarhan M, Ostovar A, Mohammadifard N, Khosravi A, Namayandeh SM, Farzadfar F. National and sub-national trends of salt intake in Iranians from 2000 to 2016: a systematic analysis. Arch Public Health 2022; 80:120. [PMID: 35418114 PMCID: PMC9006553 DOI: 10.1186/s13690-022-00871-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 03/24/2022] [Indexed: 02/08/2023] Open
Abstract
Background One fifth of the global burden of cardiovascular diseases (CVDs) in 2017 was attributable to excessive salt intake. As a member of the World Health Organization (WHO), Iran has committed itself to a 30% reduction in salt intake by 2025. Evidence on the amount and trend of salt intake among the Iranian population at national and sub-national levels is scarce. This study aimed to estimate the Iranian population’s salt intake during 2000–2016 at the national and sub-national levels, by sex and age groups. Methods Data on national and sub-national mean salt intake was obtained through systematically searching the literature and contacting the research studies’ principal investigators. Data collected through various methods were harmonized using the cross-walk method. Bayesian hierarchical and spatio-temporal-age regression models and simulation analysis were used to estimate the mean salt intake and its uncertainty interval across sex, age, year, and province. Results National age-sex standardized mean salt intake decreased from 10·53 g/day (95% uncertainty interval [UI]: 10·2 to 10·9) in 2000 to 9·41 (9·2 to 10·6) in 2016 (percent change: − 9·8% [− 21·1–3·1]). The age-standardized mean salt intake in women had decreased from 9·8 g/day (95% UI: 9·0–10·6) in 2000 to 9·1 g/day (8·6–9·7) in 2016 (percent change: − 6·6% [− 19·0–7·9]). The same measure in men was 11·1 g/day in 2000 (95% UI: 10·3–11·8) and 9·7 g/day (9·1–10·2) in 2016 (percent change: − 12·7% [− 23·0 – -0·9]). Age-sex standardized mean salt intake at the sub-national level in 2016 varied from 8·0 (95% UI: 7·0–9·0) to 10·5 (10·0–11·1). The difference between the provinces with the highest and the lowest levels of salt intake in 2016 was 31·3%. Conclusion Salt intake decreased in Iran from 2000 to 2016, while persistently exceeding the recommended values. This declining trend was more pronounced between 2010 and 2016, which might be attributed to Iran’s compliance to WHO’s Action Plan for reducing NCDs. Supplementary Information The online version contains supplementary material available at 10.1186/s13690-022-00871-w.
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Affiliation(s)
- Ali Gholami
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.,Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Ghanbari
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahabeddin Rezaei
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamid Reza Baradaran
- Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.,Ageing Clinical and Experimental Research Team, Institute of Applied Health Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
| | - Shahab Khatibzadeh
- The Heller School for Social Policy and Management, Brandeis University, Waltham, MA, USA
| | - Mahboubeh Parsaeian
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mitra Hariri
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Negar Zamaninour
- Minimally Invasive Surgery Research Center, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Ali Sheidaei
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Morteza Abdollahi
- Social Determinants of Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parvin Mirmiran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Ghayour-Mobarhan
- Metabolic Syndrome Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Afshin Ostovar
- Osteoporosis Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Noushin Mohammadifard
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Khosravi
- Hypertension Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Seyedeh Mahdieh Namayandeh
- Research Center of Prevention and Epidemiology of Non-Communicable Diseases, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Farshad Farzadfar
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. .,Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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5
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Role of Oxidative Stress in Vascular Low-Grade Inflammation Initiation Due to Acute Salt Loading in Young Healthy Individuals. Antioxidants (Basel) 2022; 11:antiox11030444. [PMID: 35326095 PMCID: PMC8944840 DOI: 10.3390/antiox11030444] [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: 01/13/2022] [Revised: 02/20/2022] [Accepted: 02/21/2022] [Indexed: 02/01/2023] Open
Abstract
This study aimed to investigate the effect of 7-day high-salt (HS) and the specific role of oxidative stress on vascular low-grade inflammation initiation in young salt-resistant healthy individuals. 30 young healthy individuals adhered to a 7-day low-salt (LS) diet (3.5 g salt/day), followed by a 7-day high-salt (HS) diet (~14.7 g salt/day) protocol. Pro- and anti-inflammatory cytokines, frequencies of peripheral blood Th17 and Treg cells, Th17/Treg ratio, enzymes SGK1, and p38/MAP kinase, as well as biomarkers of endothelial activation and oxidative stress, were measured before and after the 7-day HS diet protocol. Short-term HS diet significantly increased serum level of pro-inflammatory cytokines INF-γ, TNF-α, IL-9, and IL-17A levels, but also of anti-inflammatory cytokines IL-10 and TGF-β1. Relative amount of total SGK1 significantly increased, following the 7-day HS diet. Increased oxidative stress level, following HS diet, was negatively associated with the frequency of Treg cells. The increase in relative amount of total SGK1 in peripheral mononuclear cells following 7-day HS diet suggests lymphocyte (re)activation, in response to HS intake, resulting in enhanced production of pro-inflammatory (IL-17, INF-γ), but also anti-inflammatory cytokines (IL-10 and TGF-β1). Increased oxidative stress, due to HS loading, alters immune regulatory mechanisms, presumably via effects on Treg cells.
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Abdelhamid L, Luo XM. Diet and Hygiene in Modulating Autoimmunity During the Pandemic Era. Front Immunol 2022; 12:749774. [PMID: 35069526 PMCID: PMC8766844 DOI: 10.3389/fimmu.2021.749774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 12/13/2021] [Indexed: 12/11/2022] Open
Abstract
The immune system is an efficiently toned machinery that discriminates between friends and foes for achieving both host defense and homeostasis. Deviation of immune recognition from foreign to self and/or long-lasting inflammatory responses results in the breakdown of tolerance. Meanwhile, educating the immune system and developing immunological memory are crucial for mounting defensive immune responses while protecting against autoimmunity. Still to elucidate is how diverse environmental factors could shape autoimmunity. The emergence of a world pandemic such as SARS-CoV-2 (COVID-19) not only threatens the more vulnerable individuals including those with autoimmune conditions but also promotes an unprecedented shift in people's dietary approaches while urging for extraordinary hygiene measures that likely contribute to the development or exacerbation of autoimmunity. Thus, there is an urgent need to understand how environmental factors modulate systemic autoimmunity to better mitigate the incidence and or severity of COVID-19 among the more vulnerable populations. Here, we discuss the effects of diet (macronutrients and micronutrients) and hygiene (the use of disinfectants) on autoimmunity with a focus on systemic lupus erythematosus.
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Affiliation(s)
- Leila Abdelhamid
- Department of Biomedical Sciences and Pathobiology, College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
- Department of Microbiology, College of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Xin M. Luo
- Department of Biomedical Sciences and Pathobiology, College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
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7
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Bao W, Lin Y, Chen Z. The Peripheral Immune System and Traumatic Brain Injury: Insight into the role of T-helper cells. Int J Med Sci 2021; 18:3644-3651. [PMID: 34790036 PMCID: PMC8579286 DOI: 10.7150/ijms.46834] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 08/17/2021] [Indexed: 12/15/2022] Open
Abstract
Emerging evidence suggests that immune-inflammatory processes are key elements in the physiopathological events associated with traumatic brain injury (TBI). TBI is followed by T-cell-specific immunological changes involving several subsets of T-helper cells and the cytokines they produce; these processes can have opposite effects depending on the disease course and cytokine concentrations. Efforts are underway to identify the T-helper cells and cytokine profiles associated with prognosis. These predictors may eventually serve as effective treatment targets to decrease morbidity and mortality and to improve the management of TBI patients. Here, we review the immunological response to TBI, the possible molecular mechanisms of this response, and therapeutic strategies to address it.
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Affiliation(s)
| | | | - Zuobing Chen
- Department of Rehabilitation Medicine, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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8
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Basdeki ED, Kollias A, Mitrou P, Tsirimiagkou C, Georgakis MK, Chatzigeorgiou A, Argyris A, Karatzi K, Manios Y, Sfikakis PP, Protogerou AD. Does Sodium Intake Induce Systemic Inflammatory Response? A Systematic Review and Meta-Analysis of Randomized Studies in Humans. Nutrients 2021; 13:nu13082632. [PMID: 34444792 PMCID: PMC8399701 DOI: 10.3390/nu13082632] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/13/2021] [Accepted: 07/27/2021] [Indexed: 12/29/2022] Open
Abstract
Experimental studies suggest that sodium induced inflammation might be another missing link leading to atherosclerosis. To test the hypothesis that high daily sodium intake induces systemic inflammatory response in humans, we performed a systematic review according to PRISMA guidelines of randomized controlled trials (RCTs) that examined the effect of high versus low sodium dose (HSD vs. LSD), as defined per study, on plasma circulating inflammatory biomarkers. Eight RCTs that examined CRP, TNF-a and IL-6 were found. Meta-analysis testing the change of each biomarker in HSD versus LSD was possible for CRP (n = 5 studies), TNF-a (n = 4 studies) and IL-6 (n = 4 studies). The pooled difference (95% confidence intervals) per biomarker was for: CRP values of 0.1(−0.3, 0.4) mg/L; TNF-a −0.7(−5.0, 3.6) pg/mL; IL-6 −1.1(−3.3 to 1.1) pg/mL. Importantly, there was inconsistency between RCTs regarding major population characteristics and the applied methodology, including a very wide range of LSD (460 to 6740 mg/day) and HSD (2800 to 7452 mg/day). Although our results suggest that the different levels of daily sodium intake are not associated with significant changes in the level of systemic inflammation in humans, this outcome may result from methodological issues. Based on these identified methodological issues we propose that future RCTs should focus on young healthy participants to avoid confounding effects of comorbidities, should have three instead of two arms (very low, “normal” and high) of daily sodium intake with more than 100 participants per arm, whereas an intervention duration of 14 days is adequate.
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Affiliation(s)
- Eirini D. Basdeki
- Cardiovascular Prevention & Research Unit, Clinic & Laboratory of Pathophysiology, Department of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.D.B.); (C.T.); (A.A.)
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University of Athens, 17671 Kallithea, Greece;
| | - Anastasios Kollias
- Hypertension Center STRIDE-7, Third Department of Medicine, School of Medicine, National and Kapodistrian University of Athens, Sotiria Hospital, 11527 Athens, Greece;
| | | | - Christiana Tsirimiagkou
- Cardiovascular Prevention & Research Unit, Clinic & Laboratory of Pathophysiology, Department of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.D.B.); (C.T.); (A.A.)
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University of Athens, 17671 Kallithea, Greece;
| | - Marios K. Georgakis
- Institute for Stroke and Dementia Research, University Hospital, Ludwig Maximilians University, 81377 Munich, Germany;
| | - Antonios Chatzigeorgiou
- Department of Physiology, Medical School, National & Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Antonios Argyris
- Cardiovascular Prevention & Research Unit, Clinic & Laboratory of Pathophysiology, Department of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.D.B.); (C.T.); (A.A.)
| | - Kalliopi Karatzi
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece;
| | - Yannis Manios
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University of Athens, 17671 Kallithea, Greece;
| | - Petros P. Sfikakis
- First Department of Propaedeutic and Internal Medicine, Athens University Medical School, Laiko Hospital, 11527 Athens, Greece;
| | - Athanase D. Protogerou
- Cardiovascular Prevention & Research Unit, Clinic & Laboratory of Pathophysiology, Department of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.D.B.); (C.T.); (A.A.)
- Correspondence: ; Tel.: +30-210-746-2566
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9
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Kuan R, Agrawal DK, Thankam FG. Treg cells in atherosclerosis. Mol Biol Rep 2021; 48:4897-4910. [PMID: 34117978 DOI: 10.1007/s11033-021-06483-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 06/08/2021] [Indexed: 12/22/2022]
Abstract
Atherosclerosis involves both innate and adaptive immunity. Here, we provide an overview of the role of regulatory T (Treg) cells in atherosclerotic diseases. Treg cells and their inhibitory cytokines, IL-10 and TGF-β, have been identified in atherosclerotic lesions and to inhibit progression through lipoprotein metabolism modulation. Treg cells have also been found to convert to T follicular helper (Tfh) cells and promote atherosclerosis progression. Treg cell involvement in different stages of atherosclerotic progression and Treg cell-mediated modulation of plaque development occurs via inflammation suppression and atheroma formation has been focused. Moreover, existing knowledge suggests that Treg cells are likely involved in the pathology of other specific circumstances including in-stent restenosis, neointimal hyperplasia, vessel graft failure, and ischemic arterial injury; however, there remain gaps regarding their specific contribution. Hence, advancements in the knowledge regarding Treg cells in diverse aspects of atherosclerosis offer translational significance for the management of atherosclerosis and associated diseases.
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Affiliation(s)
- Rebecca Kuan
- Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA, 91766-1854, USA
| | - Devendra K Agrawal
- Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA, 91766-1854, USA
| | - Finosh G Thankam
- Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA, 91766-1854, USA.
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10
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Pérez-Sáez MJ, Uffing A, Leon J, Murakami N, Watanabe A, Borges TJ, Sabbisetti VS, Cureton P, Kenyon V, Keating L, Yee K, Fernandes Satiro CA, Serena G, Hildebrandt F, Riella CV, Libermann TA, Wang M, Pascual J, Bonventre JV, Cravedil P, Fasano A, Riella LV. Immunological Impact of a Gluten-Free Dairy-Free Diet in Children With Kidney Disease: A Feasibility Study. Front Immunol 2021; 12:624821. [PMID: 34149688 PMCID: PMC8208082 DOI: 10.3389/fimmu.2021.624821] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 05/04/2021] [Indexed: 12/20/2022] Open
Abstract
Kidney disease affects 10% of the world population and is associated with increased mortality. Steroid-resistant nephrotic syndrome (SRNS) is a leading cause of end-stage kidney disease in children, often failing standard immunosuppression. Here, we report the results of a prospective study to investigate the immunological impact and safety of a gluten-free and dairy-free (GF/DF) diet in children with SRNS. The study was organized as a four-week summer camp implementing a strict GF/DF diet with prospective collection of blood, urine and stool in addition to whole exome sequencing WES of DNA of participants. Using flow cytometry, proteomic assays and microbiome metagenomics, we show that GF/DF diet had a major anti-inflammatory effect in all participants both at the protein and cellular level with 4-fold increase in T regulatory/T helper 17 cells ratio and the promotion of a favorable regulatory gut microbiota. Overall, GF/DF can have a significant anti-inflammatory effect in children with SRNS and further trials are warranted to investigate this potential dietary intervention in children with SRNS.
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Affiliation(s)
- María José Pérez-Sáez
- Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States.,Servicio de Nefrología, Hospital del Mar, Barcelona, Spain
| | - Audrey Uffing
- Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Juliette Leon
- Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Naoka Murakami
- Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Andreia Watanabe
- Department of Pediatrics, Pediatric Nephrology Unit, Instituto da Criança, Hospital das Clínicas - University of São Paulo Medical School (USP), São Paulo, Brazil
| | - Thiago J Borges
- Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States.,Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, MA, United States
| | - Venkata S Sabbisetti
- Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Pamela Cureton
- Center for Celiac Research and Treatment, Massachusetts General Hospital for Children, Harvard Medical School, Boston, MA, United States
| | - Victoria Kenyon
- Center for Celiac Research and Treatment, Massachusetts General Hospital for Children, Harvard Medical School, Boston, MA, United States
| | - Leigh Keating
- Experimental Therapeutics/Interventional Trials Center, Boston Children's Hospital, Boston, MA, United States
| | - Karen Yee
- Center for Clinical Investigation, Brigham & Women's Hospital, Boston, MA, United States
| | - Carla Aline Fernandes Satiro
- Division of Nutrition, Instituto da Criança, Hospital das Clínicas - University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - Gloria Serena
- Center for Celiac Research and Treatment, Massachusetts General Hospital for Children, Harvard Medical School, Boston, MA, United States
| | - Friedhelm Hildebrandt
- Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States
| | - Cristian V Riella
- Renal Division, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Towia A Libermann
- Beth Israel Deaconess Medical Center Genomics, Proteomics, Bioinformatics and Systems Biology Center, Division of Interdisciplinary Medicine and Biotechnology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Minxian Wang
- Medical and Population Genetics Program, Broad Institute of Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
| | - Julio Pascual
- Servicio de Nefrología, Hospital del Mar, Barcelona, Spain
| | - Joseph V Bonventre
- Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Paolo Cravedil
- Renal Division, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Alessio Fasano
- Center for Celiac Research and Treatment, Massachusetts General Hospital for Children, Harvard Medical School, Boston, MA, United States
| | - Leonardo V Riella
- Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States.,Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, MA, United States.,Division of Nephrology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
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11
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Cui C, Zhang D, Sun K, Li H, Xu L, Lin G, Guo Y, Hu J, Chen J, Nong L, Cai Y, Yu D, Yang W, Wang P, Sun Y. Propofol maintains Th17/Treg cell balance and reduces inflammation in rats with traumatic brain injury via the miR‑145‑3p/NFATc2/NF‑κB axis. Int J Mol Med 2021; 48:135. [PMID: 34036377 PMCID: PMC8148094 DOI: 10.3892/ijmm.2021.4968] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 04/02/2021] [Indexed: 02/07/2023] Open
Abstract
Propofol is a commonly used intravenous anesthetic. The aim of the study was to examine the mechanism of propofol in traumatic brain injury (TBI) by regulating interleukin (IL)‑17 activity and maintaining the Th17/Treg balance. A rat model with moderate TBI was established using the weight‑drop method. Rats with TBI were regularly injected with propofol and their brain injuries were monitored. The peripheral blood of rats was collected to measure the Th17/Treg ratio. MicroRNA (miR)‑145‑3p expression was detected in the brain tissues of rats and antagomiR‑145‑3p was injected into the lateral ventricles of their brains to verify the effect of miR‑145‑3p on brain injury. The downstream target of miR‑145‑3p was predicted. The targeting relationship between miR‑145‑3p and nuclear factor of activated T cells c2 (NFATc2) was confirmed. NFATC2 expression and phosphorylation of NF‑κB pathway‑related proteins were measured. Propofol alleviated brain injury in rats with TBI and maintained the Th17/Treg balance. Propofol upregulated miR‑145‑3p expression in rat brains, while the inhibition of miR‑145‑3p reversed the effect of propofol on brain injury. A binding relationship was observed between miR‑145‑3p and NFATc2. Furthermore, propofol decreased the phosphorylation of p65 and IκBα, and inhibited activation of the NF‑κB pathway in the brains of rats with TBI. In conclusion, propofol maintained Th17/Treg balance and reduced inflammation in the rats with TBI via the miR‑145‑3p/NFATc2/NF‑κB axis.
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Affiliation(s)
- Can Cui
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Dengwen Zhang
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Ke Sun
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Haifeng Li
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Liqian Xu
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Gen Lin
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Yuanbo Guo
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Jiaqi Hu
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Jieyuan Chen
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Lidan Nong
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Yujin Cai
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Dongnan Yu
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Wei Yang
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Peng Wang
- Department of Neurosurgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Yi Sun
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
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12
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Abstract
The presence of immune cells is a morphological hallmark of rapidly progressive glomerulonephritis, a disease group that includes anti-glomerular basement membrane glomerulonephritis, lupus nephritis, and anti-neutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis. The cellular infiltrates include cells from both the innate and the adaptive immune responses. The latter includes CD4+ and CD8+ T cells. In the past, CD4+ T cell subsets were viewed as terminally differentiated lineages with limited flexibility. However, it is now clear that Th17 cells can in fact have a high degree of plasticity and convert, for example, into pro-inflammatory Th1 cells or anti-inflammatory Tr1 cells. Interestingly, Th17 cells in experimental GN display limited spontaneous plasticity. Here we review the literature of CD4+ T cell plasticity focusing on immune-mediated kidney disease. We point out the key findings of the past decade, in particular that targeting pathogenic Th17 cells by anti-CD3 injection can be a tool to modulate the CD4+ T cell response. This anti-CD3 treatment can trigger a regulatory phenotype in Th17 cells and transdifferentiation of Th17 cells into immunosuppressive IL-10-expressing Tr1 cells (Tr1exTh17 cells). Thus, targeting Th17 cell plasticity could be envisaged as a new therapeutic approach in patients with glomerulonephritis.
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13
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Basile DP, Ullah MM, Collet JA, Mehrotra P. T helper 17 cells in the pathophysiology of acute and chronic kidney disease. Kidney Res Clin Pract 2021; 40:12-28. [PMID: 33789382 PMCID: PMC8041630 DOI: 10.23876/j.krcp.20.185] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 11/13/2020] [Indexed: 12/14/2022] Open
Abstract
Both acute and chronic kidney disease have a strong underlying inflammatory component. This review focuses primarily on T helper 17 (Th17) cells as mediators of inflammation and their potential to modulate acute and chronic kidney disease. We provide updated information on factors and signaling pathways that promote Th17 cell differentiation with specific reference to kidney disease. We highlight numerous clinical studies that have investigated Th17 cells in the setting of human kidney disease and provide updated summaries from various experimental animal models of kidney disease indicating an important role for Th17 cells in renal fibrosis and hypertension. We focus on the pleiotropic effects of Th17 cells in different renal cell types as potentially relevant to the pathogenesis of kidney disease. Finally, we highlight studies that present contrasting roles for Th17 cells in kidney disease progression.
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Affiliation(s)
- David P Basile
- Department of Anatomy, Cell Biology & Physiology, Indiana University of Medicine, Indianapolis, IN, United States
| | - Md Mahbub Ullah
- Department of Anatomy, Cell Biology & Physiology, Indiana University of Medicine, Indianapolis, IN, United States
| | - Jason A Collet
- Department of Anatomy, Cell Biology & Physiology, Indiana University of Medicine, Indianapolis, IN, United States
| | - Purvi Mehrotra
- Department of Anatomy, Cell Biology & Physiology, Indiana University of Medicine, Indianapolis, IN, United States
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14
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Basile DP, Abais-Battad JM, Mattson DL. Contribution of Th17 cells to tissue injury in hypertension. Curr Opin Nephrol Hypertens 2021; 30:151-158. [PMID: 33394732 PMCID: PMC8221512 DOI: 10.1097/mnh.0000000000000680] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Hypertension has been demonstrated to be a chief contributor to morbidity and mortality throughout the world. Although the cause of hypertension is multifactorial, emerging evidence, obtained in experimental studies, as well as observational studies in humans, points to the role of inflammation and immunity. Many aspects of immune function have now been implicated in hypertension and end-organ injury; this review will focus upon the recently-described role of Th17 cells in this pathophysiological response. RECENT FINDINGS Studies in animal models and human genetic studies point to a role in the adaptive immune system as playing a contributory role in hypertension and renal tissue damage. Th17 cells, which produce the cytokine IL17, are strongly pro-inflammatory cells, which may contribute to tissue damage if expressed in chronic disease conditions. The activity of these cells may be enhanced by physiological factors associated with hypertension such as dietary salt or Ang II. This activity may culminate in the increased sodium retaining activity and exacerbation of inflammation and renal fibrosis via multiple cellular mechanisms. SUMMARY Th17 cells are a distinct component of the adaptive immune system that may strongly enhance pathways leading to increased sodium reabsorption, elevated vascular tone and end-organ damage. Moreover, this pathway may lend itself towards specific targeting for treatment of kidney disease and hypertension.
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Affiliation(s)
- David P Basile
- Department of Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, Indianapolis, Indiana
| | | | - David L Mattson
- Department of Physiology, Medical College of Georgia, Augusta, Georgia, USA
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15
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Matthias J, Heink S, Picard F, Zeiträg J, Kolz A, Chao YY, Soll D, de Almeida GP, Glasmacher E, Jacobsen ID, Riedel T, Peters A, Floess S, Huehn J, Baumjohann D, Huber M, Korn T, Zielinski CE. Salt generates antiinflammatory Th17 cells but amplifies pathogenicity in proinflammatory cytokine microenvironments. J Clin Invest 2021; 130:4587-4600. [PMID: 32484796 DOI: 10.1172/jci137786] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/14/2020] [Indexed: 12/16/2022] Open
Abstract
Th cells integrate signals from their microenvironment to acquire distinct specialization programs for efficient clearance of diverse pathogens or for immunotolerance. Ionic signals have recently been demonstrated to affect T cell polarization and function. Sodium chloride (NaCl) was proposed to accumulate in peripheral tissues upon dietary intake and to promote autoimmunity via the Th17 cell axis. Here, we demonstrate that high-NaCl conditions induced a stable, pathogen-specific, antiinflammatory Th17 cell fate in human T cells in vitro. The p38/MAPK pathway, involving NFAT5 and SGK1, regulated FoxP3 and IL-17A expression in high-NaCl conditions. The NaCl-induced acquisition of an antiinflammatory Th17 cell fate was confirmed in vivo in an experimental autoimmune encephalomyelitis (EAE) mouse model, which demonstrated strongly reduced disease symptoms upon transfer of T cells polarized in high-NaCl conditions. However, NaCl was coopted to promote murine and human Th17 cell pathogenicity, if T cell stimulation occurred in a proinflammatory and TGF-β-low cytokine microenvironment. Taken together, our findings reveal a context-dependent, dichotomous role for NaCl in shaping Th17 cell pathogenicity. NaCl might therefore prove beneficial for the treatment of chronic inflammatory diseases in combination with cytokine-blocking drugs.
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Affiliation(s)
- Julia Matthias
- Institute of Virology, Technical University of Munich, Munich, Germany.,German Center for Infection Research, Partner Site Munich, Munich, Germany.,Department of Cellular Immunoregulation, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Sylvia Heink
- Klinikum rechts der Isar, Department of Experimental Neuroimmunology, Technical University of Munich, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Felix Picard
- Institute for Medical Microbiology and Hygiene, University of Marburg, Marburg, Germany
| | - Julia Zeiträg
- Institute for Immunology, Biomedical Center, Faculty of Medicine, Ludwig Maximilian University of Munich (LMU Munich), Planegg-Martinsried, Germany
| | - Anna Kolz
- Institute of Clinical Neuroimmunology, Hospital and Biomedical Center of LMU Munich, Planegg-Martinsried, Germany
| | - Ying-Yin Chao
- Institute of Virology, Technical University of Munich, Munich, Germany.,German Center for Infection Research, Partner Site Munich, Munich, Germany.,TranslaTUM, Technical University of Munich, Munich, Germany
| | - Dominik Soll
- Institute of Virology, Technical University of Munich, Munich, Germany.,German Center for Infection Research, Partner Site Munich, Munich, Germany
| | - Gustavo P de Almeida
- Institute of Virology, Technical University of Munich, Munich, Germany.,German Center for Infection Research, Partner Site Munich, Munich, Germany.,TranslaTUM, Technical University of Munich, Munich, Germany
| | - Elke Glasmacher
- Roche Innovation Center Munich, pRED, Large Molecule Research, Penzberg, Germany
| | - Ilse D Jacobsen
- Research Group Microbial Immunology, Leibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute, Jena, Germany.,Institute of Microbiology, Friedrich Schiller University, Jena, Germany
| | - Thomas Riedel
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig and German Center for Infection Research, Partner Site Hannover-Braunschweig, Hannover-Braunschweig, Germany
| | - Anneli Peters
- Institute of Clinical Neuroimmunology, Hospital and Biomedical Center of LMU Munich, Planegg-Martinsried, Germany
| | - Stefan Floess
- Department of Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Jochen Huehn
- Department of Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Dirk Baumjohann
- Institute for Immunology, Biomedical Center, Faculty of Medicine, Ludwig Maximilian University of Munich (LMU Munich), Planegg-Martinsried, Germany
| | - Magdalena Huber
- Institute for Medical Microbiology and Hygiene, University of Marburg, Marburg, Germany
| | - Thomas Korn
- Klinikum rechts der Isar, Department of Experimental Neuroimmunology, Technical University of Munich, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Christina E Zielinski
- Institute of Virology, Technical University of Munich, Munich, Germany.,German Center for Infection Research, Partner Site Munich, Munich, Germany.,Department of Cellular Immunoregulation, Charité - Universitätsmedizin Berlin, Berlin, Germany.,TranslaTUM, Technical University of Munich, Munich, Germany
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16
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Singh P, Stephenson R, Castillo A, Majid DSA. High-salt intake reduces renal tissue levels of inflammatory cytokines in mice. Physiol Rep 2021; 8:e14621. [PMID: 33345460 PMCID: PMC7750173 DOI: 10.14814/phy2.14621] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/28/2020] [Accepted: 10/01/2020] [Indexed: 12/24/2022] Open
Abstract
High salt (HS) intake is usually considered as an aggravating factor to induce inflammatory renal injury. However, the changes in the renal levels of inflammatory cytokines during HS intake is not yet clearly defined. We hypothesize that HS increases renal levels of tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6) but decreases interleukin-10 (IL-10; anti-inflammatory cytokine) and these responses exacerbate in NO deficient conditions. Both wild-type (WT) and endothelial NO synthase knockout (eNOSKO) mice (~8 weeks old, n = 6 in each group) were given normal-salt (NS; 0.3% NaCl) and HS (4% NaCl) containing diets for 2 weeks. Systolic blood pressure (SBP) was determined by tail-cuff plethysmography and urine collections were made using metabolic cages. Basal SBP was higher in eNOSKO than WT mice (131 ± 7 vs 117 ± 3 mmHg; p < .05). HS intake for 2 weeks increased SBP in eNOSKO (161 ± 5 mmHg) but not in WT mice. In NS groups, the cytokine levels in renal tissues (measured using ELISA kits and expressed in pg/mg protein) were significantly higher in eNOSKO than WT mice (TNF-α, 624 ± 67 vs. 325 ± 73; IL-6, 619 ± 106 vs. 166 ± 61; IL-10, 6,087 ± 567 vs. 3,929 ± 378). Interestingly, these cytokine levels in HS groups were significantly less both in WT (TNF-α, 114 ± 17; IL-6, 81 ± 14; IL-10, 865 ± 130) and eNOSKO (TNF-α, 115 ± 18; IL-6, 56 ± 7; IL-10, 882 ± 141) mice. These findings indicate that HS induces downregulation of cytokines in the kidney. Such HS-induced reduction in cytokines, particularly TNF-α (a natriuretic agent), would facilitate more salt-retention, and thus, leading to salt-sensitive hypertension in NO deficient conditions.
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Affiliation(s)
- Purnima Singh
- Department of Physiology, Hypertension and Renal Centre of ExcellenceTulane University School of MedicineNew OrleansLAUSA
| | - Roxan Stephenson
- Department of Physiology, Hypertension and Renal Centre of ExcellenceTulane University School of MedicineNew OrleansLAUSA
| | - Alexander Castillo
- Department of Physiology, Hypertension and Renal Centre of ExcellenceTulane University School of MedicineNew OrleansLAUSA
| | - Dewan S. A. Majid
- Department of Physiology, Hypertension and Renal Centre of ExcellenceTulane University School of MedicineNew OrleansLAUSA
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17
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Wenstedt EFE, Remmerswaal EBM, van der Bom-Baylon ND, Schrooten EM, Bemelman FJ, Vogt L. The effect of high-salt diet on t-lymphocyte subpopulations in healthy males-A pilot study. J Clin Hypertens (Greenwich) 2020; 22:2152-2155. [PMID: 32960505 PMCID: PMC7756710 DOI: 10.1111/jch.14049] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/13/2020] [Accepted: 08/31/2020] [Indexed: 01/06/2023]
Abstract
Animal studies show that high‐salt diet affects T‐cell subpopulations, but evidence in humans is scarce and contradictory. This pilot study investigated the effect of a 2‐week high‐salt diet on T‐cell subpopulations (ie, γδ T cells, Th17 cells, and regulatory T cells) in five healthy males. The mean (SD) age of the participants was 33 (2) years, with normal body mass index, kidney function, and baseline blood pressure. In terms of phenotype, there was an isolated increase of CD69 expression in Vδ1 T cells (P = .04), which is an early activation marker. There were no statistically significant changes or trends in any of the other tested markers or in the Th17 or regulatory T‐cell subsets. The increase in CD69 was strongly correlated to increases in 24‐hour urinary sodium excretion (r = .93, P = .02). These results of this pilot may motivate the use of longer dietary salt interventions in future studies on salt and adaptive immune cells.
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Affiliation(s)
- Eliane F E Wenstedt
- Department of Internal Medicine, Section of Nephrology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Ester B M Remmerswaal
- Department of Experimental Immunology, Amsterdam Infection & Immunity Institute (AI&II), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Nelly D van der Bom-Baylon
- Department of Experimental Immunology, Amsterdam Infection & Immunity Institute (AI&II), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Esmee M Schrooten
- Department of Internal Medicine, Section of Nephrology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Frederike J Bemelman
- Department of Internal Medicine, Section of Nephrology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Liffert Vogt
- Department of Internal Medicine, Section of Nephrology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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18
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Rondanelli M, Perdoni F, Peroni G, Caporali R, Gasparri C, Riva A, Petrangolini G, Faliva MA, Infantino V, Naso M, Perna S, Rigon C. Ideal food pyramid for patients with rheumatoid arthritis: A narrative review. Clin Nutr 2020; 40:661-689. [PMID: 32928578 DOI: 10.1016/j.clnu.2020.08.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/20/2020] [Accepted: 08/21/2020] [Indexed: 12/19/2022]
Abstract
Emerging literature suggests that diet plays an important modulatory role in rheumatoid arthritis (RA) because diet is an environmental factor that affects inflammation, antigen presentation, antioxidant defense mechanisms and gut microbiota. Patients with RA frequently ask their doctors about which diets to follow, and even in the absence of advice from their physicians, many patients are undertaking various dietary interventions. Given this background, the aim of this review is to evaluate the evidence to date regarding the ideal dietary approach for management of RA in order to reduce the counteracting inflammation, and to construct a food pyramid for patients with RA. The pyramid shows that carbohydrates should be consumed every day (3 portions of whole grains, preferably gluten free), together with fruits and vegetables (5 portions; among which fruit, berries and citrus fruit are to be preferred, and among the vegetables, green leafy ones.), light yogurt (125 ml), skim milk (200 ml), 1 glass (125 ml) of wine and extra virgin olive oil; weekly, fish (3 portions), white meat (3 portions), legumes (2 portions) eggs (2 portions), seasoned cheeses (2 portions), and red or processed meats (once a week). At the top of the pyramid, there are two pennants: one green means that subjects with RA need some personalized supplementation (vitamin D and omega 3) and one red means that there are some foods that are banned (salt and sugar). The food pyramid allows patients to easily figure out what to eat.
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Affiliation(s)
- Mariangela Rondanelli
- IRCCS Mondino Foundation, Pavia, 27100 Italy; Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, 27100 Italy.
| | - Federica Perdoni
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona ''Istituto Santa Margherita'', University of Pavia, Pavia, 27100 Italy.
| | - Gabriella Peroni
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona ''Istituto Santa Margherita'', University of Pavia, Pavia, 27100 Italy.
| | - Roberto Caporali
- Department of Clinical Sciences and Community Health, University of Milan, Milan 20122, Italy; Clinical Rheumatology Unit Gaetano Pini Hospital, Milan 20122, Italy.
| | - Clara Gasparri
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona ''Istituto Santa Margherita'', University of Pavia, Pavia, 27100 Italy.
| | - Antonella Riva
- Research and Development Department, Indena SpA, Milan, Italy.
| | | | - Milena Anna Faliva
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona ''Istituto Santa Margherita'', University of Pavia, Pavia, 27100 Italy.
| | - Vittoria Infantino
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, 27100 Italy.
| | - Maurizio Naso
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona ''Istituto Santa Margherita'', University of Pavia, Pavia, 27100 Italy.
| | - Simone Perna
- Department of Biology, University of Bahrain, College of Science, Sakhir Campus P. O. Box 32038 Bahrain.
| | - Chiara Rigon
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona ''Istituto Santa Margherita'', University of Pavia, Pavia, 27100 Italy.
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19
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Venter C, Eyerich S, Sarin T, Klatt KC. Nutrition and the Immune System: A Complicated Tango. Nutrients 2020; 12:E818. [PMID: 32204518 PMCID: PMC7146186 DOI: 10.3390/nu12030818] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/09/2020] [Accepted: 03/13/2020] [Indexed: 02/07/2023] Open
Abstract
Enthusiasm exists for the potential of diet to impact the immune system, prevent disease and its therapeutic potential. Herein, we describe the challenge to nutrition scientists in defining this relationship through case studies of diets and nutrients in the context of allergic and autoimmune diseases. Moderate-quality evidence exists from both human intervention and observational studies to suggest that diet and individual nutrients can influence systemic markers of immune function and inflammation; numerous challenges exist for demonstrating the impact of defined diets and nutrient interventions on clearly influencing immune-mediated-clinical disease endpoints. A growing body of evidence suggests that further consideration of dietary patterns, immune system and gut microbiome composition and function, and subsequent epigenetic modifications are needed to improve our understanding of diet-immune system interactions.
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Affiliation(s)
- Carina Venter
- Section of Allergy & Immunology, School of Medicine, University of Colorado Denver, Children’s Hospital Colorado, Anschutz Medical Campus, 13123 East 16th Avenue, Aurora, CO 80045, USA;
| | - Stefanie Eyerich
- Center of Allergy and Environment (ZAUM), Technical University and Helmholtz Center Munich, Biedersteinerstrass 29, 80802 Munich, Germany;
| | - Tara Sarin
- Section of Allergy & Immunology, School of Medicine, University of Colorado Denver, Children’s Hospital Colorado, Anschutz Medical Campus, 13123 East 16th Avenue, Aurora, CO 80045, USA;
| | - Kevin C. Klatt
- USDA/ARS Children’s Nutrition Research Center, Baylor College of Medicine, Houston, TX 77030, USA;
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20
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Evans RDR, Antonelou M, Henderson S, Walsh SB, Salama AD. Emerging evidence of an effect of salt on innate and adaptive immunity. Nephrol Dial Transplant 2019; 34:2007-2014. [PMID: 30521016 DOI: 10.1093/ndt/gfy362] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 10/18/2018] [Indexed: 02/02/2023] Open
Abstract
Salt intake as part of a western diet currently exceeds recommended limits, and the small amount found in the natural diet enjoyed by our Paleolithic ancestors. Excess salt is associated with the development of hypertension and cardiovascular disease, but other adverse effects of excess salt intake are beginning to be recognized, including the development of autoimmune and inflammatory disease. Over the last decade there has been an increasing body of evidence demonstrating that salt affects multiple components of both the innate and adaptive immune systems. In this review we outline the recent laboratory, animal and human data, highlighting the effect of salt on immunity, with a particular focus on the relevance to inflammatory kidney disease.
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Affiliation(s)
- Rhys D R Evans
- Department of Renal Medicine, University College London (UCL), London, UK
| | - Marilina Antonelou
- Department of Renal Medicine, University College London (UCL), London, UK
| | - Scott Henderson
- Department of Renal Medicine, University College London (UCL), London, UK
| | - Stephen B Walsh
- Department of Renal Medicine, University College London (UCL), London, UK
| | - Alan D Salama
- Department of Renal Medicine, University College London (UCL), London, UK
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21
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Ma P, Zha S, Shen X, Zhao Y, Li L, Yang L, Lei M, Liu W. NFAT5 mediates hypertonic stress-induced atherosclerosis via activating NLRP3 inflammasome in endothelium. Cell Commun Signal 2019; 17:102. [PMID: 31429763 PMCID: PMC6701070 DOI: 10.1186/s12964-019-0406-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 07/28/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND How high-salt intake leads to the occurrence of many cardiovascular diseases such as atherosclerosis is a fundamental question in pathology. Here we postulated that high-salt-induced NFAT5 controls the inflammasome activation by directly regulating NLRP3, which mediates the expression of inflammatory- and adhesion-related genes in vascular endothelium, resulting in the formation of atherosclerosis. METHODS Atherosclerosis-prone apolipoprotein E-deficient (ApoE-/-) mice which accumulate cholesterol ester-enriched particles in the blood due to poor lipoprotein clearance capacity were used as the atherosclerosis model in vivo. Cultured endothelial cells (ECs) and monocytes under high-salt condition were used to explore the atheroprone role of the activation of NFAT5-NLRP3 inflammasome in vascular endothelium in vitro. Bioinformatic analysis and chromatin immunoprecipitation assay were used to identify the DNA binding sites of NFAT5 on promoters of NLRP3 and IL-1β. RESULTS We first observe that high-salt intake promotes atherosclerosis formation in the aortas of ApoE-/- mice, through inducing the expression of NFAT5, NLRP3, and IL-1β in endothelium. Overexpression of NFAT5 activates NLRP3-inflammasome and increases the secretion of IL-1β in ECs partly via ROS. Chromatin immunoprecipitation assay demonstrates that NFAT5 directly binds to the promoter regions of NLRP3 and IL-1β in endothelial cells subjected to the high-salt environment. CONCLUSIONS Our study identifies NFAT5 as a new and essential transcription factor that is required for the early activation of NLRP3-inflammasome-mediated endothelium innate immunity, contributing to the formation of atherosclerosis under hypertonic stress induction.
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Affiliation(s)
- Pingping Ma
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, 400044, China
| | - Shenfang Zha
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, 400044, China
| | - Xinkun Shen
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, 400044, China
| | - Yulan Zhao
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, 400044, China
| | - Li Li
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, 400044, China
| | - Li Yang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, 400044, China
| | - Mingxing Lei
- Integrative Stem Cell Center, China Medical University Hospital, China Medical University, Taichung, 40402, Taiwan. .,Institute of New Drug Development, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung, 40402, Taiwan.
| | - Wanqian Liu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, 400044, China.
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22
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Phelan S, Abrams B, Wing RR. Prenatal Intervention with Partial Meal Replacement Improves Micronutrient Intake of Pregnant Women with Obesity. Nutrients 2019; 11:nu11051071. [PMID: 31091748 PMCID: PMC6567022 DOI: 10.3390/nu11051071] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 05/09/2019] [Accepted: 05/10/2019] [Indexed: 12/28/2022] Open
Abstract
A behavioral lifestyle intervention with partial meal replacement reduced excess gestational weight gain in ethnically diverse women with overweight/obesity, but the effects on micronutrient intake remained unknown. A secondary analysis of a randomized, controlled trial tested whether the intervention improved micronutrient intake relative to usual care. Pregnant women (n = 211; 30.5 years of age, body mass index, BMI, of 32.0 kg/m2) were enrolled and randomized within site and ethnicity (40% were Hispanic) into intervention (n = 102) or usual care (n = 109) groups. Two 24 h dietary recalls were conducted on random days at study entry and late pregnancy (35–36 weeks gestation). Nutrient adequacy was defined using the Estimated Average Requirement cut-point method. At study entry and including prenatal vitamins, ≥90% of participants reported inadequate intake of vitamins D and E and iron; 40–50% reported inadequate intake of calcium, protein, vitamins A, C, B6, folate, magnesium, and zinc. From study entry to late pregnancy, the behavioral intervention with partial meal replacement increased the overall intake of vitamins A, E, and D and copper and reduced the odds of inadequate intake of calcium (odds ratio (OR) = 0.37 (0.18, 0.76)), vitamins A (OR = 0.39 (0.21, 0.72)) and E (OR = 0.17 (0.06, 0.48)), and magnesium (OR = 0.36 (0.20, 0.65)). A behavioral intervention with partial meal replacement during pregnancy improved the intake of several micronutrients in Hispanic and non-Hispanic women with overweight/obesity.
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Affiliation(s)
- Suzanne Phelan
- Department of Kinesiology & Public Health, California Polytechnic State University, 1 Grand Ave, San Luis Obispo, CA 93407, USA.
| | - Barbara Abrams
- Division of Epidemiology, University of California at Berkeley School of Public Health, 2121 Berkeley Way #5302, Berkeley, CA 94720-7360, USA.
| | - Rena R Wing
- Warren Alpert Medical School at Brown University Department of Psychiatry and Human Behavior, 197 Richmond Street, Providence, RI 02906, USA.
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23
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Fels J, Kusche-Vihrog K. Endothelial Nanomechanics in the Context of Endothelial (Dys)function and Inflammation. Antioxid Redox Signal 2019; 30:945-959. [PMID: 29433330 PMCID: PMC6354603 DOI: 10.1089/ars.2017.7327] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Accepted: 08/31/2017] [Indexed: 12/31/2022]
Abstract
SIGNIFICANCE Stiffness of endothelial cells is closely linked to the function of the vasculature as it regulates the release of vasoactive substances such as nitric oxide (NO) and reactive oxygen species. The outer layer of endothelial cells, consisting of the glycocalyx above and the cortical zone beneath the plasma membrane, is a vulnerable compartment able to adapt its nanomechanical properties to any changes of forces exerted by the adjacent blood stream. Sustained stiffening of this layer contributes to the development of endothelial dysfunction and vascular pathologies. Recent Advances: The development of specific techniques to quantify the mechanical properties of cells enables the detailed investigation of the mechanistic link between structure and function of cells. CRITICAL ISSUES Challenging the mechanical stiffness of cells, for instance, by inflammatory mediators can lead to the development of endothelial dysfunction. Prevention of sustained stiffening of the outer layer of endothelial cells in turn improves endothelial function. FUTURE DIRECTIONS The mechanical properties of cells can be used as critical marker and test system for the proper function of the vascular system. Pharmacological substances, which are able to improve endothelial nanomechanics and function, could take a new importance in the prevention and treatment of vascular diseases. Thus, detailed knowledge acquisition about the structure/function relationship of endothelial cells and the underlying signaling pathways should be promoted.
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Affiliation(s)
- Johannes Fels
- Institute of Cell Dynamics and Imaging, University of Münster, Münster, Germany
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24
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Herman BA, Ferguson KM, Fernandez JVB, Kauffman S, Spicher JT, King RJ, Halterman JA. NFAT5 is differentially expressed in Sprague-Dawley rat tissues in response to high salt and high fructose diets. Genet Mol Biol 2019; 42:452-464. [PMID: 30816906 PMCID: PMC6726159 DOI: 10.1590/1678-4685-gmb-2018-0120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 07/24/2018] [Indexed: 12/31/2022] Open
Abstract
Current diets contain an increasing amount of salt and high fructose corn syrup,
but it remains unclear as to how dietary salt and fructose affect organ function
at the molecular level. This study aimed to test the hypothesis that consumption
of high salt and fructose diets would increase tissue-specific expression of two
critical osmotically-regulated genes, nuclear factor of activated T-cells 5
(NFAT5) and aldose reductase (AR). Fifty
Sprague-Dawley rats were placed on a control, 4% NaCl, 8% NaCl, or 64% fructose
diet for eight weeks. Fourteen different tissue samples were harvested and
snap-frozen, followed by RNA purification, cDNA synthesis, and
NFAT5 and AR gene expression
quantification by real-time PCR.Our findings demonstrate that
NFAT5 and AR expression are up-regulated
in the kidney medulla, liver, brain, and adipose tissue following consumption of
a high salt diet. NFAT5 expression is also up-regulated in the
kidney cortex following consumption of a 64% fructose diet. These findings
highlight the kidney medulla, liver, brain, and adipose tissue as being
“salt-responsive” tissues and reveal that a high fructose diet can lead to
enhanced NFAT5 expression in the kidney cortex. Further
characterization of signaling mechanisms involved could help elucidate how these
diets affect organ function long term.
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Affiliation(s)
- Braden A Herman
- Department of Biology, Eastern Mennonite University, Harrisonburg, VA, USA
| | - Kaylee M Ferguson
- Department of Biology, Eastern Mennonite University, Harrisonburg, VA, USA
| | - Jared V B Fernandez
- Master's in Biomedicine Program, Eastern Mennonite University, Harrisonburg, VA, USA
| | - Samantha Kauffman
- Department of Biology, Eastern Mennonite University, Harrisonburg, VA, USA
| | - Jason T Spicher
- Department of Biology, Eastern Mennonite University, Harrisonburg, VA, USA
| | - Rachel J King
- Department of Biology, Eastern Mennonite University, Harrisonburg, VA, USA
| | - Julia A Halterman
- Department of Biology, Eastern Mennonite University, Harrisonburg, VA, USA.,Master's in Biomedicine Program, Eastern Mennonite University, Harrisonburg, VA, USA
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25
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Lee N, Kim D, Kim WU. Role of NFAT5 in the Immune System and Pathogenesis of Autoimmune Diseases. Front Immunol 2019; 10:270. [PMID: 30873159 PMCID: PMC6401628 DOI: 10.3389/fimmu.2019.00270] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 01/31/2019] [Indexed: 12/29/2022] Open
Abstract
The nuclear factor of activated T cells (NFAT5), also known as a tonicity-responsive enhancer-binding protein, was originally identified as a key transcription factor involved in maintaining cellular homeostasis against hypertonic and hyperosmotic environments. Although NFAT5 has been expressed and studied in various types of hyperosmolar tissues, evidence has emerged that NFAT5 plays a role in the development and activation of immune cells, especially T cells and macrophages. The immune-regulatory function of NFAT5 is achieved by inducing different target genes and different signaling pathways in both tonicity-dependent and -independent manners. Particularly in response to hyperosmotic stress, NFAT5 induces the generation of pathogenic TH17 cells and pro-inflammatory macrophages, contributing to autoimmune and inflammatory diseases. Meanwhile, with tonicity-independent stimuli, including activation of the Toll-like receptors and inflammatory cytokines, NFAT5 also can be activated and promotes immune cell survival, proliferation, migration, and angiogenesis. Moreover, under isotonic conditions, NFAT5 has been implicated in the pathogenesis of a variety of inflammatory and autoimmune diseases including rheumatoid arthritis. This review describes the current knowledge of NFAT5, focusing on its immune-regulatory functions, and it highlights the importance of NFAT5 as a novel therapeutic target for chronic inflammatory diseases.
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Affiliation(s)
- Naeun Lee
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, South Korea
| | - Donghyun Kim
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, South Korea.,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,Institute of Infectious Diseases, Seoul National University College of Medicine, Seoul, South Korea
| | - Wan-Uk Kim
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, South Korea.,Division of Rheumatology, Department of Internal Medicine, The Catholic University of Korea, Seoul, South Korea
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26
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Lee JU, Kim LK, Choi JM. Revisiting the Concept of Targeting NFAT to Control T Cell Immunity and Autoimmune Diseases. Front Immunol 2018; 9:2747. [PMID: 30538703 PMCID: PMC6277705 DOI: 10.3389/fimmu.2018.02747] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 11/08/2018] [Indexed: 01/15/2023] Open
Abstract
The nuclear factor of activated T cells (NFAT) family of transcription factors, which includes NFAT1, NFAT2, and NFAT4, are well-known to play important roles in T cell activation. Most of NFAT proteins are controlled by calcium influx upon T cell receptor and costimulatory signaling results increase of IL-2 and IL-2 receptor. NFAT3 however is not shown to be expressed in T cells and NFAT5 has not much highlighted in T cell functions yet. Recent studies demonstrate that the NFAT family proteins involve in function of lineage-specific transcription factors during differentiation of T helper 1 (Th1), Th2, Th17, regulatory T (Treg), and follicular helper T cells (Tfh). They have been studied to make physical interaction with the other transcription factors like GATA3 or Foxp3 and they also regulate Th cell signature gene expressions by direct binding on promotor region of target genes. From last decades, NFAT functions in T cells have been targeted to develop immune modulatory drugs for controlling T cell immunity in autoimmune diseases like cyclosporine A, FK506, etc. Due to their undesirable side defects, only limited application is available in human diseases. This review focuses on the recent advances in development of NFAT targeting drug as well as our understanding of each NFAT family protein in T cell biology. We also discuss updated detail molecular mechanism of NFAT functions in T cells, which would lead us to suggest an idea for developing specific NFAT inhibitors as a therapeutic drug for autoimmune diseases.
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Affiliation(s)
- Jae-Ung Lee
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, South Korea.,Research Institute for Natural Sciences, Hanyang University, Seoul, South Korea
| | - Li-Kyung Kim
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, South Korea.,Research Institute for Natural Sciences, Hanyang University, Seoul, South Korea
| | - Je-Min Choi
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, South Korea.,Research Institute for Natural Sciences, Hanyang University, Seoul, South Korea
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27
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Affiliation(s)
- Eliane F.E. Wenstedt
- From the Division of Nephrology, Department of Internal Medicine, Amsterdam Cardiovascular Sciences, Academic Medical Center, University of Amsterdam, The Netherlands
| | - Rik H.G. Olde Engberink
- From the Division of Nephrology, Department of Internal Medicine, Amsterdam Cardiovascular Sciences, Academic Medical Center, University of Amsterdam, The Netherlands
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28
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Afsar B, Kuwabara M, Ortiz A, Yerlikaya A, Siriopol D, Covic A, Rodriguez-Iturbe B, Johnson RJ, Kanbay M. Salt Intake and Immunity. Hypertension 2018; 72:19-23. [PMID: 29760151 DOI: 10.1161/hypertensionaha.118.11128] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Baris Afsar
- From the Department of Nephrology, Suleyman Demirel University School of Medicine, Isparta, Turkey (B.A.)
| | - Masanari Kuwabara
- Department of Medicine (M. Kuwabara, R.J.J.).,Department of Cardiology, Toranomon Hospital, Tokyo, Japan (M. Kuwabara)
| | - Alberto Ortiz
- Dialysis Unit, School of Medicine, IIS-Fundacion Jimenez Diaz, Universidad Autónoma de Madrid, Spain (A.O.)
| | - Aslihan Yerlikaya
- Department of Internal Medicine, Koc University School of Medicine, Istanbul, Turkey (A.Y.)
| | - Dimitrie Siriopol
- Department of Nephrology, Dialysis and Renal Transplant Center, "Dr C.I. Parhon" University Hospital, "Grigore T. Popa" University of Medicine and Pharmacy, Iasi, Romania (D.S., A.C.)
| | - Adrian Covic
- Department of Nephrology, Dialysis and Renal Transplant Center, "Dr C.I. Parhon" University Hospital, "Grigore T. Popa" University of Medicine and Pharmacy, Iasi, Romania (D.S., A.C.)
| | - Bernardo Rodriguez-Iturbe
- Division of Renal Diseases and Hypertension (B.R.-I.), University of Colorado Anschutz Medical Campus, Aurora, CO.,Renal Service, Hospital Universitario, Universidad del Zulia and Instituto Venezolano de Investigaciones Científicas (IVIC)-Zulia, Maracaibo (B.R.-I.)
| | | | - Mehmet Kanbay
- Division of Nephrology, Department of Medicine, Koc University School of Medicine, Istanbul, Turkey (M. Kanbay).
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29
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Zongyi Y, Funian Z, Hao L, Xin W, Ying C, Jialin Z, Yongfeng L, Baifeng L. Interleukin-35 mitigates the function of murine transplanted islet cells via regulation of Treg/Th17 ratio. PLoS One 2017; 12:e0189617. [PMID: 29236782 PMCID: PMC5728515 DOI: 10.1371/journal.pone.0189617] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 11/29/2017] [Indexed: 12/19/2022] Open
Abstract
Pancreatic islet transplantation is a promising treatment for type 1 diabetes (T1D). Interleukin-35 (IL-35) is a recently discovered cytokine that exhibits potent immunosuppressive functions. However, the role of IL-35 in islet transplant rejection remains to be elucidated. In this study, we isolated islet cells of BALB/c mouse and purified CD4+ T cell subsets of a C57BL/6 mouse. The model for islet transplantation was established in vitro by co-culture of the islet cells and CD4+ T cells. IL-35 (20 ng/ml) was administered every other day. Following co-culture, the islet function and Treg/Th17 ratio were analyzed on days 1, 3, and 5. Furthermore, the Th17/Treg ratio was modulated (1:0–2), and the function of islet cells as well as proliferation of Th17 cells were analyzed. T cell sorting was performed using the magnetic bead sorting method; Treg and Th17 count using flow cytometry; cell proliferation detection using the carboxyfluorescein diacetate succinimidyl ester (CFSE) method, and islet function test using the sugar stimulation test. Results showed that Th17 counts increased in the co-culture system. However, after administration of IL-35, the number of Treg cells increased significantly compared to that in the control group (50.7% of total CD4+ T cells on day 5 in IL-35 group vs. 9.5% in control group) whereas the proliferation rate of Th17 cells was significantly inhibited (0.3% in IL-35 group vs. 7.2% in control group on day 5). Reducing the Th17/Treg ratio significantly improved the function of transplanted islets. Treg inhibited Th17 proliferation and IL-35 enhanced this inhibitory effect. IL-35 mitigates the function of murine transplanted islet cells via regulation of the Treg/Th17 ratio. This might serve as a potential therapeutic strategy for in-vivo islet transplant rejection and T1D.
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Affiliation(s)
- Yin Zongyi
- Department of Hepatobiliary Surgery and Organ Transplantation, the First Hospital of China Medical University, Shenyang, China
- Department of Hepatobiliary Surgery, Shenzhen University General Hospital, Shenzhen, China
| | - Zou Funian
- Department of Hepatobiliary Surgery and Organ Transplantation, the First Hospital of China Medical University, Shenyang, China
| | - Li Hao
- Department of Hepatobiliary Surgery and Organ Transplantation, the First Hospital of China Medical University, Shenyang, China
| | - Wang Xin
- Department of Hepatobiliary Surgery and Organ Transplantation, the First Hospital of China Medical University, Shenyang, China
| | - Cheng Ying
- Department of Hepatobiliary Surgery and Organ Transplantation, the First Hospital of China Medical University, Shenyang, China
- National Key Lab. of General Surgery, the First Hospital of China Medical University, Shenyang, China
- Multiple Organ Transplantation Institute of the First Hospital of China Medical University, Shenyang, China
| | - Zhang Jialin
- Department of Hepatobiliary Surgery and Organ Transplantation, the First Hospital of China Medical University, Shenyang, China
- National Key Lab. of General Surgery, the First Hospital of China Medical University, Shenyang, China
- Multiple Organ Transplantation Institute of the First Hospital of China Medical University, Shenyang, China
| | - Liu Yongfeng
- Department of Hepatobiliary Surgery and Organ Transplantation, the First Hospital of China Medical University, Shenyang, China
- National Key Lab. of General Surgery, the First Hospital of China Medical University, Shenyang, China
- Multiple Organ Transplantation Institute of the First Hospital of China Medical University, Shenyang, China
| | - Li Baifeng
- Department of Hepatobiliary Surgery and Organ Transplantation, the First Hospital of China Medical University, Shenyang, China
- National Key Lab. of General Surgery, the First Hospital of China Medical University, Shenyang, China
- Multiple Organ Transplantation Institute of the First Hospital of China Medical University, Shenyang, China
- * E-mail:
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30
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The impact of salt intake during and after pregnancy. Hypertens Res 2017; 41:1-5. [PMID: 29046520 DOI: 10.1038/hr.2017.90] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 06/27/2017] [Accepted: 06/28/2017] [Indexed: 12/25/2022]
Abstract
Although high blood pressure before pregnancy is associated with a risk of gestational hypertension and preeclampsia, no convincing evidence has been produced to show that dietary salt reduction helps in the prevention and treatment of hypertension during pregnancy. Thus the current guidelines do not recommend a sodium restriction during pregnancy to prevent gestational hypertension and the development of preeclampsia. However, the long-term impact of hypertensive disorders of pregnancy for life-threatening diseases later in life is a critical issue. Gestational hypertension could contribute to the risk of developing hypertension later in life, and recent studies have suggested that gestational hypertension and preeclampsia are linked to cardiovascular complications. In this article, we provide an overview of the current perspectives on the salt intake of pregnant women and consider both the short-term influence and the impact beyond the perinatal period.
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31
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Extraoral Taste Receptor Discovery: New Light on Ayurvedic Pharmacology. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017. [PMID: 28642799 PMCID: PMC5469997 DOI: 10.1155/2017/5435831] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
More and more research studies are revealing unexpectedly important roles of taste for health and pathogenesis of various diseases. Only recently it has been shown that taste receptors have many extraoral locations (e.g., stomach, intestines, liver, pancreas, respiratory system, heart, brain, kidney, urinary bladder, pancreas, adipose tissue, testis, and ovary), being part of a large diffuse chemosensory system. The functional implications of these taste receptors widely dispersed in various organs or tissues shed a new light on several concepts used in ayurvedic pharmacology (dravyaguna vijnana), such as taste (rasa), postdigestive effect (vipaka), qualities (guna), and energetic nature (virya). This review summarizes the significance of extraoral taste receptors and transient receptor potential (TRP) channels for ayurvedic pharmacology, as well as the biological activities of various types of phytochemical tastants from an ayurvedic perspective. The relative importance of taste (rasa), postdigestive effect (vipaka), and energetic nature (virya) as ethnopharmacological descriptors within Ayurveda boundaries will also be discussed.
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32
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Schierke F, Wyrwoll MJ, Wisdorf M, Niedzielski L, Maase M, Ruck T, Meuth SG, Kusche-Vihrog K. Nanomechanics of the endothelial glycocalyx contribute to Na +-induced vascular inflammation. Sci Rep 2017; 7:46476. [PMID: 28406245 PMCID: PMC5390251 DOI: 10.1038/srep46476] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 03/20/2017] [Indexed: 12/11/2022] Open
Abstract
High dietary salt (NaCl) is a known risk factor for cardiovascular pathologies and inflammation. High plasma Na+ concentrations (high Na+) have been shown to stiffen the endothelial cortex and decrease nitric oxide (NO) release, a hallmark of endothelial dysfunction. Here we report that chronic high Na+ damages the endothelial glycocalyx (eGC), induces release of inflammatory cytokines from the endothelium and promotes monocyte adhesion. Single cell force spectroscopy reveals that high Na+ enhances vascular adhesion protein-1 (VCAM-1)-dependent adhesion forces between monocytes and endothelial surface, giving rise to increased numbers of adherent monocytes on the endothelial surface. Mineralocorticoid receptor antagonism with spironolactone prevents high Na+-induced eGC deterioration, decreases monocyte-endothelium interactions, and restores endothelial function, indicated by increased release of NO. Whereas high Na+ decreases NO release, it induces endothelial release of the pro-inflammatory cytokines IL-1ß and TNFα. However, in contrast to chronic salt load (hours), in vivo and in vitro, an acute salt challenge (minutes) does not impair eGC function. This study identifies the eGC as important mediator of inflammatory processes and might further explain how dietary salt contributes to endothelialitis and cardiovascular pathologies by linking endothelial nanomechanics with vascular inflammation.
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Affiliation(s)
- Florian Schierke
- Institute of Physiology II, University of Münster, 48149 Münster, Germany
| | - Margot J Wyrwoll
- Institute of Physiology II, University of Münster, 48149 Münster, Germany
| | - Martin Wisdorf
- Institute of Physiology II, University of Münster, 48149 Münster, Germany
| | - Leon Niedzielski
- Institute of Physiology II, University of Münster, 48149 Münster, Germany
| | - Martina Maase
- Institute of Physiology II, University of Münster, 48149 Münster, Germany
| | - Tobias Ruck
- Department of Neurology, University of Münster, 48149 Münster, Germany
| | - Sven G Meuth
- Department of Neurology, University of Münster, 48149 Münster, Germany
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梁 仔, 菅 洪, 林 谦, 罗 赛, 张 小. [Postoperative changes of Th17/Treg balance in patients with intracranial aneurysm rupture]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2016; 37:546-550. [PMID: 28446412 PMCID: PMC6744094 DOI: 10.3969/j.issn.1673-4254.2017.04.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Indexed: 06/07/2023]
Abstract
OBJECTIVE To observe the dynamic changes of Th17/Treg balance in patients following surgical intervention for intracranial aneurysm rupture. METHODS The percentage of Th cells and the intracellular IL-17 level, Treg cell percentage and transforming growth factor -β1 (TGF-β1) levels were examined in 73 patients with rupture of aneurysms before and at 24 h, 72 h and 1 week after operation, with 62 patients with unruptured aneurysms and 65 healthy volunteers as the control. The correlations among the immune cells, cytokines and clinical characteristics of the patients (NIHSS, ADL and hospitalization stay) were analyzed. RESULTS Th17 percentage and intracellular IL-17 levels were significantly higher in the patients with ruptured and unruptured aneurysms than in the healthy volunteers, and were significantly higher in patients with ruptured aneurysms than in those with unruptured aneurysms. Treg cell percentage and TGF-β1 level were significantly lower in patients with aneurysms than in the healthy volunteers, and were lower in patients with ruptured aneurysms than in those with uruptured aneurysms (P<0.05). Patients with intracranial aneurysm rupture showed significantly increased Th17 cell percentage and IL-17 level but significantly lowered Treg cell percentage and TGF-β1 at 24 h following the surgery (P<0.05); these changes were reversed significantly at 72 h and 1 week after the surgery. Th17 cell percentage and IL-17 level were positively correlated with NIHSS and the length of postoperative hospital stay but inversely correlated with ADL; Treg cell percentage and TGF-β1 were inversely correlated with NIHSS and hospital stay but positively with ADL (P<0.05). CONCLUSION In patients with intracranial aneurysms, the systemic immune inflammatory response is highlighted by excessive Th17 cells and insufficient Treg cells, which are closely related with the outcomes of the patients following surgical intervention. Evaluation of Th17/Treg balance and the cytokine levels can help to assess the prognosis of patients with aneurysm rupture.
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Affiliation(s)
- 仔 梁
- 广东医科大学附属廉江医院廉江市人民医院神经外科,广东 廉江 524400Department of Neurosurgery, Lianjiang Hospital Affiliated to Guangdong Medical University/Lianjiang People's Hospital, Lianjiang 524400, China
| | - 洪健 菅
- 南方医科大学南方医院急诊科,广东 广州 5105153Department of Emergency Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 谦益 林
- 南方医科大学第一临床医学院,广东 广州 510515First Clinical College, Southern Medical University, Guangzhou 510515, China
| | - 赛华 罗
- 广东医科大学附属廉江医院廉江市人民医院神经外科,广东 廉江 524400Department of Neurosurgery, Lianjiang Hospital Affiliated to Guangdong Medical University/Lianjiang People's Hospital, Lianjiang 524400, China
| | - 小鹏 张
- 广州军区广州总医院神经外科,广东 广州 510010Department of Neurosurgery, General Hospital of Guangzhou Military Command, Guangzhou 510010, China
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