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Zwierzchowski G, Haxhiaj K, Wójcik R, Wishart DS, Ametaj BN. Identifying Predictive Biomarkers of Subclinical Mastitis in Dairy Cows through Urinary Metabotyping. Metabolites 2024; 14:205. [PMID: 38668333 PMCID: PMC11051925 DOI: 10.3390/metabo14040205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 03/22/2024] [Accepted: 03/30/2024] [Indexed: 04/28/2024] Open
Abstract
Mastitis is a significant infectious disease in dairy cows, resulting in milk yield loss and culling. Early detection of mastitis-prone cows is crucial for implementing effective preventive measures before disease onset. Current diagnosis of subclinical mastitis (SCM) relies on somatic cell count assessment post-calving, lacking predictive capabilities. This study aimed to identify metabolic changes in pre-SCM cows through targeted metabolomic analysis of urine samples collected 8 wks and 4 wks before calving, using mass spectrometry. A nested case-control design was employed, involving a total of 145 multiparous dairy cows, with disease occurrence monitored pre- and postpartum. Among them, 15 disease-free cows served as healthy controls (CON), while 10 cows exclusively had SCM, excluding those with additional diseases. Urinary metabolite profiling revealed multiple alterations in acylcarnitines, amino acids, and organic acids in pre-SCM cows. Metabotyping identified 27 metabolites that distinguished pre-SCM cows from healthy CON cows at both 8 and 4 wks before parturition. However, only four metabolites per week showed significant alterations (p < 0.005). Notably, a panel of four serum metabolites (asymmetric dimethylarginine, proline, leucine, and homovanillate) at 8 wks prepartum, and another panel (asymmetric dimethylarginine, methylmalonate, citrate, and spermidine) at 4 wks prepartum, demonstrated predictive ability as urinary biomarkers for SCM risk (AUC = 0.88; p = 0.02 and AUC = 0.88; p = 0.03, respectively). In conclusion, our findings indicate that metabolite testing can identify cows at risk of SCM as early as 8 and 4 wks before parturition. Validation of the two identified metabolite panels is warranted to implement these predictive biomarkers, facilitate early intervention strategies, and improve dairy cow management to mitigate the impact of SCM. Further research is needed to confirm the efficacy and applicability of these biomarkers in practical farm settings.
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Affiliation(s)
- Grzegorz Zwierzchowski
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada; (G.Z.); (K.H.)
- Faculty of Biology and Biotechnology, University of Warmia and Mazury, 1a Oczapowskiego Str., 10-719 Olsztyn, Poland
| | - Klevis Haxhiaj
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada; (G.Z.); (K.H.)
| | - Roman Wójcik
- Faculty of Veterinary Medicine, University of Warmia and Mazury, 1a Oczapowskiego Str., 10-719 Olsztyn, Poland;
| | - David S. Wishart
- Department of Biological and Computer Sciences, University of Alberta, Edmonton, AB T6G 2P5, Canada;
| | - Burim N. Ametaj
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada; (G.Z.); (K.H.)
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Huang PY, Hsu BG, Lai YH, Wang CH, Tsai JP. Serum Trimethylamine N-Oxide Level Is Positively Associated with Aortic Stiffness Measured by Carotid-Femoral Pulse Wave Velocity in Patients Undergoing Maintenance Hemodialysis. Toxins (Basel) 2023; 15:572. [PMID: 37755998 PMCID: PMC10538077 DOI: 10.3390/toxins15090572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/09/2023] [Accepted: 09/15/2023] [Indexed: 09/28/2023] Open
Abstract
Trimethylamine N-oxide (TMAO) is a biomarker that is effective in predicting major adverse cardiovascular (CV) events. Age-related vascular problems are significantly affected by aortic stiffness (AS), which is independently linked to CV morbidity and mortality. This study aimed to determine the association between serum TMAO levels and carotid-femoral pulse wave velocity (cfPWV) in patients receiving hemodialysis (HD) therapy. In total, 115 patients with HD were enrolled in this study. The AS group included patients whose cfPWV was >10 m/s. Using high-performance liquid chromatography and mass spectrometry, the levels of serum TMAO were measured. The AS group included 42 (36.5%) patients, and compared with the non-AS group, the rates of diabetes, hypertension, older age, systolic blood pressure, serum glucose, and TMAO levels were high. In the multivariate logistic regression analysis, serum TMAO and age were independently linked with AS after correcting for the factors significantly associated with AS. Following multivariate stepwise linear regression analysis, serum TMAO in these individuals was found to be strongly correlated with cfPWV values (p < 0.001). In patients on chronic HD, serum TMAO level is an independent measure of AS and strongly correlated with cfPWV.
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Affiliation(s)
- Po-Yu Huang
- Division of Nephrology, Department of Internal Medicine, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi 62247, Taiwan;
| | - Bang-Gee Hsu
- Division of Nephrology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97004, Taiwan; (B.-G.H.); (Y.-H.L.); (C.-H.W.)
- School of Medicine, Tzu Chi University, Hualien 97004, Taiwan
| | - Yu-Hsien Lai
- Division of Nephrology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97004, Taiwan; (B.-G.H.); (Y.-H.L.); (C.-H.W.)
- School of Medicine, Tzu Chi University, Hualien 97004, Taiwan
| | - Chih-Hsien Wang
- Division of Nephrology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97004, Taiwan; (B.-G.H.); (Y.-H.L.); (C.-H.W.)
- School of Medicine, Tzu Chi University, Hualien 97004, Taiwan
| | - Jen-Pi Tsai
- Division of Nephrology, Department of Internal Medicine, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi 62247, Taiwan;
- School of Medicine, Tzu Chi University, Hualien 97004, Taiwan
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3
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Ferreira P, Vaja R, Lopes-Pires M, Crescente M, Yu H, Nüsing R, Liu B, Zhou Y, Yaqoob M, Zhang A, Rickman M, Longhurst H, White WE, Knowles RB, Chan MV, Warner TD, Want E, Kirkby NS, Mitchell JA. Renal Function Underpins the Cyclooxygenase-2: Asymmetric Dimethylarginine Axis in Mouse and Man. Kidney Int Rep 2023; 8:1231-1238. [PMID: 37284684 PMCID: PMC10239776 DOI: 10.1016/j.ekir.2023.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 06/08/2023] Open
Abstract
Introduction Through the production of prostacyclin, cyclooxygenase (COX)-2 protects the cardiorenal system. Asymmetric dimethylarginine (ADMA), is a biomarker of cardiovascular and renal disease. Here we determined the relationship between COX-2/prostacyclin, ADMA, and renal function in mouse and human models. Methods We used plasma from COX-2 or prostacyclin synthase knockout mice and from a unique individual lacking COX-derived prostaglandins (PGs) because of a loss of function mutation in cytosolic phospholipase A2 (cPLA2), before and after receiving a cPLA2-replete transplanted donor kidney. ADMA, arginine, and citrulline were measured using ultra-high performance liquid-chromatography tandem mass spectrometry. ADMA and arginine were also measured by enzyme-linked immunosorbent assay (ELISA). Renal function was assessed by measuring cystatin C by ELISA. ADMA and prostacyclin release from organotypic kidney slices were also measured by ELISA. Results Loss of COX-2 or prostacyclin synthase in mice increased plasma levels of ADMA, citrulline, arginine, and cystatin C. ADMA, citrulline, and arginine positively correlated with cystatin C. Plasma ADMA, citrulline, and cystatin C, but not arginine, were elevated in samples from the patient lacking COX/prostacyclin capacity compared to levels in healthy volunteers. Renal function, ADMA, and citrulline were returned toward normal range when the patient received a genetically normal kidney, capable of COX/prostacyclin activity; and cystatin C positively correlated with ADMA and citrulline. Levels of ADMA and prostacyclin in conditioned media of kidney slices were not altered in tissue from COX-2 knockout mice compared to wildtype controls. Conclusion In human and mouse models, where renal function is compromised because of loss of COX-2/PGI2 signaling, ADMA levels are increased.
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Affiliation(s)
- Plinio Ferreira
- National Heart and Lung Institute, Imperial College London, United Kingdom
| | - Ricky Vaja
- National Heart and Lung Institute, Imperial College London, United Kingdom
| | - Maria Lopes-Pires
- National Heart and Lung Institute, Imperial College London, United Kingdom
| | - Marilena Crescente
- Blizard Institute, Barts, and The London School of Medicine and Dentistry, London, United Kingdom
- Department of Life Sciences, Manchester Metropolitan University, Manchester, United Kingdom
| | - He Yu
- Deparment of Pharmacology, Medical Sciences Division, University of Oxford, Oxford, United Kingdom
| | - Rolf Nüsing
- Clinical Pharmacology and Pharmacotherapy Department, Goethe University, Frankfurt, Germany
| | - Bin Liu
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China
| | - Yingbi Zhou
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China
| | - Magdi Yaqoob
- Blizard Institute, Barts, and The London School of Medicine and Dentistry, London, United Kingdom
| | - Anran Zhang
- National Heart and Lung Institute, Imperial College London, United Kingdom
| | - Matthew Rickman
- National Heart and Lung Institute, Imperial College London, United Kingdom
| | - Hilary Longhurst
- Department of Medicine, University of Auckland, and Department of Immunology, Auckland City Hospital, Auckland, New Zealand
| | - William E. White
- Blizard Institute, Barts, and The London School of Medicine and Dentistry, London, United Kingdom
| | - Rebecca B. Knowles
- Blizard Institute, Barts, and The London School of Medicine and Dentistry, London, United Kingdom
| | - Melissa V. Chan
- Blizard Institute, Barts, and The London School of Medicine and Dentistry, London, United Kingdom
| | - Timothy D. Warner
- Blizard Institute, Barts, and The London School of Medicine and Dentistry, London, United Kingdom
| | - Elizabeth Want
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, United Kingdom
| | - Nicholas S. Kirkby
- National Heart and Lung Institute, Imperial College London, United Kingdom
| | - Jane A. Mitchell
- National Heart and Lung Institute, Imperial College London, United Kingdom
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Reyes LZ, Winterberg PD, George RP, Kelleman M, Harris F, Jo H, Brown LAS, Morris CR. Arginine Dysregulation and Myocardial Dysfunction in a Mouse Model and Children with Chronic Kidney Disease. Nutrients 2023; 15:2162. [PMID: 37432321 PMCID: PMC10181438 DOI: 10.3390/nu15092162] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/21/2023] [Accepted: 04/25/2023] [Indexed: 07/12/2023] Open
Abstract
Cardiovascular disease is the leading cause of death in chronic kidney disease (CKD). Arginine, the endogenous precursor for nitric oxide synthesis, is produced in the kidneys. Arginine bioavailability contributes to endothelial and myocardial dysfunction in CKD. Plasma from 129X1/SvJ mice with and without CKD (5/6th nephrectomy), and banked plasma from children with and without CKD were analyzed for amino acids involved in arginine metabolism, ADMA, and arginase activity. Echocardiographic measures of myocardial function were compared with plasma analytes. In a separate experiment, a non-specific arginase inhibitor was administered to mice with and without CKD. Plasma citrulline and glutamine concentrations correlated with multiple measures of myocardial dysfunction. Plasma arginase activity was significantly increased in CKD mice at 16 weeks vs. 8 weeks (p = 0.002) and ventricular strain improved after arginase inhibition in mice with CKD (p = 0.03). In children on dialysis, arginase activity was significantly increased vs. healthy controls (p = 0.04). Increasing ADMA correlated with increasing RWT in children with CKD (r = 0.54; p = 0.003). In a mouse model, and children, with CKD, arginine dysregulation correlates with myocardial dysfunction.
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Affiliation(s)
- Loretta Z. Reyes
- Division of Pediatric Nephrology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
| | - Pamela D. Winterberg
- Division of Pediatric Nephrology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
| | - Roshan Punnoose George
- Division of Pediatric Nephrology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
| | - Michael Kelleman
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Frank Harris
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Hanjoong Jo
- Division of Cardiology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Lou Ann S. Brown
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Claudia R. Morris
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
- Division of Pediatric Emergency Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA
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Calvani R, Gervasoni J, Picca A, Ciciarello F, Galluzzo V, Coelho-Júnior HJ, Di Mario C, Gremese E, Lomuscio S, Paglionico AM, Santucci L, Tolusso B, Urbani A, Marini F, Marzetti E, Landi F, Tosato M. Effects of l-Arginine Plus Vitamin C Supplementation on l-Arginine Metabolism in Adults with Long COVID: Secondary Analysis of a Randomized Clinical Trial. Int J Mol Sci 2023; 24:ijms24065078. [PMID: 36982151 PMCID: PMC10049539 DOI: 10.3390/ijms24065078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/28/2023] [Accepted: 03/02/2023] [Indexed: 03/09/2023] Open
Abstract
Altered l-arginine metabolism has been described in patients with COVID-19 and has been associated with immune and vascular dysfunction. In the present investigation, we determined the serum concentrations of l-arginine, citrulline, ornithine, monomethyl-l-arginine (MMA), and symmetric and asymmetric dimethylarginine (SDMA, ADMA) in adults with long COVID at baseline and after 28-days of l-arginine plus vitamin C or placebo supplementation enrolled in a randomized clinical trial, compared with a group of adults without previous history of SARS-CoV-2-infection. l-arginine-derived markers of nitric oxide (NO) bioavailability (i.e., l-arginine/ADMA, l-arginine/citrulline+ornithine, and l-arginine/ornithine) were also assayed. Partial least squares discriminant analysis (PLS–DA) models were built to characterize systemic l-arginine metabolism and assess the effects of the supplementation. PLS–DA allowed discrimination of participants with long COVID from healthy controls with 80.2 ± 3.0% accuracy. Lower markers of NO bioavailability were found in participants with long COVID. After 28 days of l-arginine plus vitamin C supplementation, serum l-arginine concentrations and l-arginine/ADMA increased significantly compared with placebo. This supplement may therefore be proposed as a remedy to increase NO bioavailability in people with long COVID.
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Affiliation(s)
- Riccardo Calvani
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Correspondence: ; Tel.: +39-(06)-3015-5559
| | - Jacopo Gervasoni
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Anna Picca
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Department of Medicine and Surgery, LUM University, 70010 Casamassima, Italy
| | | | - Vincenzo Galluzzo
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Hélio José Coelho-Júnior
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Clara Di Mario
- Immunology Core Facility, Gemelli Science Technological Park (GSTeP), Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Elisa Gremese
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- Immunology Core Facility, Gemelli Science Technological Park (GSTeP), Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Sara Lomuscio
- Metabolomics Research Core Facility, Gemelli Science and Technology Park (GSTeP), Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | | | - Lavinia Santucci
- Metabolomics Research Core Facility, Gemelli Science and Technology Park (GSTeP), Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Barbara Tolusso
- Immunology Core Facility, Gemelli Science Technological Park (GSTeP), Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Andrea Urbani
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Federico Marini
- Department of Chemistry, Sapienza University of Rome, 00185 Rome, Italy
| | - Emanuele Marzetti
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Francesco Landi
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Matteo Tosato
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
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Sušić L, Maričić L, Šahinović I, Kralik K, Klobučar L, Ćosić M, Sušić T, Vincelj J, Burić A, Burić M, Lukić M. The Relationship of Left Ventricular Diastolic Dysfunction and Asymmetrical Dimethylarginine as a Biomarker of Endothelial Dysfunction with Cardiovascular Risk Assessed by Systematic Coronary Risk Evaluation2 Algorithm and Heart Failure-A Cross-Sectional Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:4433. [PMID: 36901443 PMCID: PMC10001866 DOI: 10.3390/ijerph20054433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/21/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
Background: Cardiovascular (CV) risk factors, causing endothelial dysfunction (ED) and left ventricular diastolic dysfunction (LVDD), contribute to an increased risk of heart failure (HF). The aim of this study was to determine the relationship between the occurrence of LVDD and ED with CV risk assessed by the Systematic Coronary Risk Evaluation2 (SCORE2) algorithm and HF. Methods: In the period from November 2019 to May 2022, a cross-sectional study that included 178 middle-aged adults was conducted. Transthoracic echocardiography (TTE) was used to assess left ventricular (LV) diastolic and systolic function. ED was assessed using the plasma values of asymmetric dimethylarginine (ADMA) and was determined using the ELISA method. Results: The majority of subjects with LVDD grades 2 and 3 had high/very high SCORE2, developed HF and all were taking medication (p < 0.001). They also had significantly lowest plasma ADMA values (p < 0.001). We found that the reduction of ADMA concentration is influenced by certain groups of drugs, or more significantly, by their combinations (p < 0.001). Conclusions: In our study, we confirmed a positive correlation between LVDD, HF and SCORE2 severity. The results showed a negative correlation between the biomarkers of ED, LVDD severity, HF, and SCORE2, which we believe is due to medication effects.
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Affiliation(s)
- Livija Sušić
- Department of Specialist-Consultative Health Care, Health Center of Osijek-Baranja County, 31000 Osijek, Croatia
- Faculty of Medicine, University “Josip Juraj Strossmayer”, 31000 Osijek, Croatia
| | - Lana Maričić
- Faculty of Medicine, University “Josip Juraj Strossmayer”, 31000 Osijek, Croatia
- Department of Cardiology, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Ines Šahinović
- Faculty of Medicine, University “Josip Juraj Strossmayer”, 31000 Osijek, Croatia
- Department of Clinical Laboratory Diagnostics, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Kristina Kralik
- Faculty of Medicine, University “Josip Juraj Strossmayer”, 31000 Osijek, Croatia
| | - Lucija Klobučar
- Faculty of Medicine, University “Josip Juraj Strossmayer”, 31000 Osijek, Croatia
- Department of Cardiology, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Mateja Ćosić
- Department of Specialist-Consultative Health Care, Health Center of Osijek-Baranja County, 31000 Osijek, Croatia
| | - Tihomir Sušić
- The Information Institute Osijek, 31000 Osijek, Croatia
| | - Josip Vincelj
- Faculty of Medicine, University “Josip Juraj Strossmayer”, 31000 Osijek, Croatia
- NovaMed Health Center Zagreb, 10000 Zagreb, Croatia
| | - Antonio Burić
- Department of Radiology, Health Center of Osijek-Baranja County, 31000 Osijek, Croatia
| | - Marko Burić
- Faculty of Medicine, University “Josip Juraj Strossmayer”, 31000 Osijek, Croatia
| | - Matea Lukić
- Faculty of Medicine, University “Josip Juraj Strossmayer”, 31000 Osijek, Croatia
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7
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Fankhouser RW, Murrell DE, Anane YY, Hurley DL, Mamudu HM, Harirforoosh S. Type 2 diabetes: an exploratory genetic association analysis of selected metabolizing enzymes and transporters and effects on cardiovascular and renal biomarkers. Drug Metab Pers Ther 2022; 37:375-382. [PMID: 35749156 DOI: 10.1515/dmpt-2021-0135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 03/14/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVES This study sought to identify potential pharmacogenetic associations of selected enzymes and transporters with type 2 diabetes (T2D). In addition, pharmacogenomic profiles, concentrations of asymmetric dimethylarginine (ADMA) or kidney injury molecule-1 (KIM-1), and several covariates were investigated. METHODS Whole blood was collected from 63 patients, with 32 individuals with T2D. A pharmacogenomic panel was used to assay genetic profiles, and biomarker ELISAs were run to determine subject concentrations of ADMA and KIM-1. Additive genetic modeling with multiple linear and logistic regressions were performed to discover potential SNPs-outcome associations using PLINK. RESULTS Ten SNPs were found to be significant (p<0.05) depending on the inclusion or exclusion of covariates. Of these, four were found in association with the presence of T2D, rs2231142, rs1801280, rs1799929, and rs1801265 depending on covariate inclusion or exclusion. Regarding ADMA, one SNP was found to be significant without covariates, rs1048943. Five SNPs were identified in association with KIM-1 and T2D in the presence of covariates, rs12208357, rs34059508, rs1058930, rs1902023, and rs3745274. Biomarker concentrations were not significantly different in the presence of T2D. CONCLUSIONS This exploratory study found several SNPs related to T2D; further research is required to validate and understand these relationships.
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Affiliation(s)
- Russell W Fankhouser
- Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN, USA
| | - Derek E Murrell
- Department of Pharmaceutical Sciences, Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN, USA
| | - Yaa Y Anane
- Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN, USA
| | - David L Hurley
- Department of Pharmaceutical Sciences, Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN, USA
| | - Hadii M Mamudu
- Department of Health Services Management and Policy, College of Public Health, East Tennessee State University, Johnson City, TN, USA
| | - Sam Harirforoosh
- Department of Pharmaceutical Sciences, Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN, USA
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8
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Ji X, Jiang P, Li Y, Yan W, Yue H. New insights into the effect of bisphenol AF exposure on maternal mammary glands at various stages of gestation in mice. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 850:157793. [PMID: 35934037 DOI: 10.1016/j.scitotenv.2022.157793] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/15/2022] [Accepted: 07/30/2022] [Indexed: 06/15/2023]
Abstract
Bisphenol AF (BPAF) is the most estrogenic compound among BPA analogs. Mammary glands (MDs) are special organs that undergo repeated cycles of structural development, metabolism, and functional differentiation. Gestation is a sensitive window for MDs. In the present study, plug-positive CD-1 mice were exposed to vehicle (Veh) or 300 μg/kg BPAF through oral gavage every second day during gestation, and maternal MDs were collected from different developmental windows at 9.5, 13.5, and 18.5 d of gestation (gestation day [GD]9.5, GD13.5 and GD18.5). The results showed that gestational BPAF exposure induced a significantly elevated MD density at GD18.5. Non-target metabolomics analysis was used to screen for tyrosine, valine, ornithine, proline, threonine, phenylalanine and asymmetrical dimethylarginine (ADMA) amino acids, which changed significantly at all time points. Furthermore, the mRNA expression levels of genes related to these amino acids also changed significantly. Additionally, amino acid levels in BPAF-treated MGs at GD18.5 were related to the serum ammonia concentration of the corresponding offspring. These results provide a comprehensive view of the adverse effects of BPAF exposure during gestation on the maternal MG structure and function, which may affect milk components during lactation. Moreover, higher amino acids content may lead to amino acid imbalance or hyperammonemia in newborns.
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Affiliation(s)
- Xiaotong Ji
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China
| | - Peiyun Jiang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China
| | - Yating Li
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China
| | - Wei Yan
- Xuzhou Engineering Research Center of Medical Genetics and Transformation, Key Laboratory of Genetic Foundation and Clinical Application, Department of Genetics, Xuzhou Medical University, Xuzhou, Jiangsu 221004, PR China..
| | - Huifeng Yue
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
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9
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Guixé‐Muntet S, Biquard L, Szabo G, Dufour J, Tacke F, Francque S, Rautou P, Gracia‐Sancho J. Review article: vascular effects of PPARs in the context of NASH. Aliment Pharmacol Ther 2022; 56:209-223. [PMID: 35661191 PMCID: PMC9328268 DOI: 10.1111/apt.17046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/04/2021] [Accepted: 05/08/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND Peroxisome proliferator-activated receptors (PPARs) are ligand-activated transcription factors known to regulate glucose and fatty acid metabolism, inflammation, endothelial function and fibrosis. PPAR isoforms have been extensively studied in metabolic diseases, including type 2 diabetes and cardiovascular diseases. Recent data extend the key role of PPARs to liver diseases coursing with vascular dysfunction, including nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH). AIM This review summarises and discusses the pathobiological role of PPARs in cardiovascular diseases with a special focus on their impact and therapeutic potential in NAFLD and NASH. RESULTS AND CONCLUSIONS PPARs may be attractive for the treatment of NASH due to their liver-specific effects but also because of their efficacy in improving cardiovascular outcomes, which may later impact liver disease. Assessment of cardiovascular disease in the context of NASH trials is, therefore, of the utmost importance, both from a safety and efficacy perspective.
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Affiliation(s)
- Sergi Guixé‐Muntet
- Liver Vascular Biology Research GroupIDIBAPS Biomedical Research Institute & CIBEREHDBarcelonaSpain
| | - Louise Biquard
- Université de Paris, Inserm, CNRSCentre de recherche sur l'InflammationUMR1149ParisFrance
| | - Gyongyi Szabo
- Beth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Jean‐François Dufour
- Department of Visceral Surgery and Medicine & Department for Biomedical ResearchInselspital, University of BernBernSwitzerland
| | - Frank Tacke
- Department of Hepatology & GastroenterologyCharité Universitätsmedizin Berlin, Campus Virchow‐Klinikum (CVK) and Campus Charité Mitte (CCM)BerlinGermany
| | - Sven Francque
- Department of Gastroenterology and HepatologyAntwerp University HospitalAntwerpBelgium,Translational Sciences in Inflammation and ImmunologyInflaMed Centre of Excellence, Laboratory of Experimental Medicine and Paediatrics, Faculty of Medicine and Health Sciences, University of AntwerpAntwerpBelgium
| | - Pierre‐Emmanuel Rautou
- Université de Paris, AP‐HP, Hôpital Beaujon, Service d'Hépatologie, DMU DIGESTCentre de Référence des Maladies Vasculaires du Foie, FILFOIE, ERN RARE‐LIVER, Centre de recherche sur l'inflammationParisFrance
| | - Jordi Gracia‐Sancho
- Liver Vascular Biology Research GroupIDIBAPS Biomedical Research Institute & CIBEREHDBarcelonaSpain,Department of Visceral Surgery and Medicine & Department for Biomedical ResearchInselspital, University of BernBernSwitzerland
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10
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Ritchie JA, Ng JQ, Kemi OJ. When one says yes and the other says no; does calcineurin participate in physiologic cardiac hypertrophy? ADVANCES IN PHYSIOLOGY EDUCATION 2022; 46:84-95. [PMID: 34762541 DOI: 10.1152/advan.00104.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 11/08/2021] [Indexed: 06/13/2023]
Abstract
Developing engaging activities that build skills for understanding and appreciating research is important for undergraduate and postgraduate science students. Comparing and contrasting opposing research studies does this, and more: it also appropriately for these cohorts challenges higher level cognitive processing. Here, we present and discuss one such scenario, that of calcineurin in the heart and its response to exercise training. This scenario is further accentuated by the existence of only two studies. The background is that regular aerobic endurance exercise training stimulates the heart to physiologically adapt to chronically increase its ability to produce a greater cardiac output to meet the increased demand for oxygenated blood in working muscles, and this happens by two main mechanisms: 1) increased cardiac contractile function and 2) physiologic hypertrophy. The major underlying mechanisms have been delineated over the last decades, but one aspect has not been resolved: the potential role of calcineurin in modulating physiologic hypertrophy. This is partly because the existing research has provided opposing and contrasting findings, one line showing that exercise training does activate cardiac calcineurin in conjunction with myocardial hypertrophy, but another line showing that exercise training does not activate cardiac calcineurin even if myocardial hypertrophy is blatantly occurring. Here, we review and present the current evidence in the field and discuss reasons for this controversy. We present real-life examples from physiology research and discuss how this may enhance student engagement and participation, widen the scope of learning, and thereby also further facilitate higher level cognitive processing.
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Affiliation(s)
- Jonathan A Ritchie
- School of Medicine, Dentistry and Nursing, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Jun Q Ng
- School of Life Sciences, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Ole J Kemi
- School of Life Sciences, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, United Kingdom
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11
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Averta C, Mancuso E, Spiga R, Miceli S, Succurro E, Fiorentino TV, Perticone M, Mannino GC, Thamtarana PJ, Sciacqua A, Sesti G, Andreozzi F. The Functional Polymorphism of DDAH2 rs9267551 Is an Independent Determinant of Arterial Stiffness. Front Cardiovasc Med 2022; 8:811431. [PMID: 35047582 PMCID: PMC8761764 DOI: 10.3389/fcvm.2021.811431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 11/29/2021] [Indexed: 12/03/2022] Open
Abstract
Background: The association of circulating asymmetric dimethylarginine (ADMA) levels with cardiovascular risk and arterial stiffness has been reportedly demonstrated, although the causal involvement of ADMA in the pathogenesis of these conditions is still debated. Dimethylaminohydrolase 2 (DDAH2) is the enzyme responsible for ADMA hydrolysis in the vasculature, and carriers of the polymorphism rs9267551 C in the 5′-UTR of DDAH2 have been reported to have higher DDAH2 expression and reduced levels of serum ADMA. Approach and Results: We genotyped rs9267551 in 633 adults of European ancestry and measured their carotid–femoral pulse wave velocity (cfPWV), the gold-standard method to estimate arterial stiffness. cfPWV resulted significantly lower in rs9267551 C allele carriers (Δ = −1.12 m/s, P < 0.01) after correction for age, sex and BMI, and a univariate regression showed that the presence of rs9267551 C variant was negatively associated with cfPWV (β = −0.110, P < 0.01). In a multivariable regression model, subjects carrying the rs9267551 C allele manifested significantly lower cfPWV than GG carriers (β = −0.098, P = 0.01) independently from several potential confounders. We measured circulating ADMA levels in a subset of 344 subjects. A mediation analysis revealed that the effect of DDAH2 rs9267551 genotype on cfPWV was mediated by the variation in ADMA levels. Conclusions: These evidences hint that the presence of rs9267551 C allele may explain, at least in part, a reduction in vessel rigidity as measured by cfPWV, and support the attribution of a causative role to ADMA in the pathogenesis of arterial stiffness.
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Affiliation(s)
- Carolina Averta
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Elettra Mancuso
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Rosangela Spiga
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Sofia Miceli
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Elena Succurro
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
- Research Center for the Prevention and Treatment of Metabolic Diseases (CR METDIS), University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Teresa Vanessa Fiorentino
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Maria Perticone
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Gaia Chiara Mannino
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
- *Correspondence: Gaia Chiara Mannino
| | - Prapaporn Jungtrakoon Thamtarana
- Siriraj Center of Research Excellence for Diabetes and Obesity, Division of Molecular Medicine, Department of Research, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Angela Sciacqua
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
- Research Center for the Prevention and Treatment of Metabolic Diseases (CR METDIS), University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Giorgio Sesti
- Department of Clinical and Molecular Medicine, University of Rome-Sapienza, Rome, Italy
| | - Francesco Andreozzi
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
- Research Center for the Prevention and Treatment of Metabolic Diseases (CR METDIS), University Magna Graecia of Catanzaro, Catanzaro, Italy
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12
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A Pilot Study: Hypertension, Endothelial Dysfunction and Retinal Microvasculature in Rheumatic Autoimmune Diseases. J Clin Med 2021; 10:jcm10184067. [PMID: 34575178 PMCID: PMC8467719 DOI: 10.3390/jcm10184067] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 08/26/2021] [Accepted: 09/07/2021] [Indexed: 12/14/2022] Open
Abstract
Background: The etiology of autoimmune rheumatic diseases is unknown. Endothelial dysfunction and premature atherosclerosis are commonly seen in these patients. Atherosclerosis is considered one of the main causes of cardiovascular diseases. Hypertension is considered the most important traditional cardiovascular risk. This case-control study aimed to investigate the relationship between autoimmune diseases and cardiovascular risk. Methods: This study was carried out in patients with rheumatoid arthritis, RA (n = 10), primary Sjögren syndrome, PSS (n = 10), and healthy controls (n = 10). Mean blood pressure (MBP), systolic blood pressure (SBP), diastolic blood pressure (DBP), and pulse wave velocity (PWV, an indicator of arterial stiffness) were assessed via a Vicorder device. Asymmetric dimethylarginine (ADMA) was measured via ELISA. Retinal photos were taken via a CR-2 retinal camera, and retinal microvasculature analysis was carried out. T-tests were conducted to compare the disease and control groups. ANOVA and ANOVA—ANCOVA were also used for the correction of covariates. Results: A high prevalence of hypertension was seen in RA (80% of cases) and PSS (40% of cases) compared to controls (only 20% of cases). Significant changes were seen in MBP (RA 101 ± 11 mmHg; PSS 93 ± 10 mm Hg vs. controls 88 ± 7 mmHg, p = 0.010), SBP (148 ± 16 mmHg in RA vs. 135 ± 16 mmHg in PSS vs. 128 ± 11 mmHg in control group; p = 0.007), DBP (77 ± 8 mmHg in RA, 72 ± 8 mmHg in PSS vs. 67 ± 6 mmHg in control; p = 0.010 in RA compared to the controls). Patients with PSS showed no significant difference as compared to controls (MBP: p = 0.240, SBP: p = 0.340, DBP: p = 0.190). Increased plasma ADMA was seen in RA (0.45 ± 0.069 ng/mL) and PSS (0.43 ± 0.060 ng/mL) patients as compared to controls (0.38 ± 0.059 ng/mL). ADMA in RA vs. control was statistically significant (p = 0.022). However, no differences were seen in ADMA in PSS vs. controls. PWV and retinal microvasculature did not differ across the three groups. Conclusions: The prevalence of hypertension in our cohort was very high. Similarly, signs of endothelial dysfunction were seen in autoimmune rheumatic diseases. As hypertension and endothelial dysfunction are important contributing risk factors for cardiovascular diseases, the association of hypertension and endothelial dysfunction should be monitored closely in autoimmune diseases.
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Hsu MH, Chang KA, Chen YC, Lin IC, Sheen JM, Huang LT. Resveratrol prevented spatial deficits and rescued disarrayed hippocampus asymmetric dimethylarginine and brain-derived neurotrophic factor levels in young rats with increased circulating asymmetric dimethylarginine. Neuroreport 2021; 32:1091-1099. [PMID: 34284453 DOI: 10.1097/wnr.0000000000001698] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Increased plasma levels of asymmetric dimethylarginine can be encountered in chronic inflammatory disease, liver damage, renal failure, and multiple organ failure. In addition, an association between circulating asymmetric dimethylarginine levels and all-cause mortality has been reported. Male Sprague-Dawley rats, postnatal day 17 ± 1, received continuous asymmetric dimethylarginine infusion via an intraperitoneal pump. Spatial performance and dorsal hippocampal asymmetric dimethylarginine and brain-derived neurotrophic factor (BDNF) levels were examined, and the effect of resveratrol was tested. A 4-week continuous asymmetric dimethylarginine infusion in young male rats caused spatial deficits, increased asymmetric dimethylarginine levels, and decreased BDNF expression in the dorsal hippocampus. Increased oxidative stress and altered molecules in the dorsal hippocampus linked to asymmetric dimethylarginine and BDNF functions were detected. Resveratrol protected against these effects, reversing spatial deficits, and reducing the changes in the dorsal hippocampal asymmetric dimethylarginine and BDNF levels.
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Affiliation(s)
| | - Kow-Aung Chang
- Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine
| | | | | | - Jiunn-Ming Sheen
- Department of Pediatrics, Chiayi Chang Gung Memorial Hospital, Chiayi County, Puzi City, Taiwan
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14
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Zhang H, Xiang S, Dai Z, Fan Y. Asymmetric dimethylarginine level as biomarkers of cardiovascular or all-cause mortality in patients with chronic kidney disease: a meta-analysis. Biomarkers 2021; 26:579-585. [PMID: 34253095 DOI: 10.1080/1354750x.2021.1954694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Studies have yielded conflicting findings on the association of asymmetric dimethylarginine (ADMA) level with cardiovascular or all-cause mortality in patients with chronic kidney disease (CKD). This meta-analysis sought to evaluate the association of blood ADMA level with cardiovascular or all-cause mortality in CKD patients. MATERIALS AND METHODS PubMed and Embase databases were comprehensively searched until September 9, 2020 for studies investigating the association of ADMA level with cardiovascular or all-cause mortality in CKD patients. RESULTS Data were collected from nine prospective studies involving 6553 patients. The pooled adjusted risk ratio (RR) of all-cause mortality was 2.06 (95% confidence interval [CI] 1.43-2.96) for the highest versus the lowest ADMA level. Each 0.20 μmol/L ADMA increase was associated with 21% (95% CI 1.09-1.35) higher risk of all-cause mortality but not cardiovascular mortality (RR 1.07; 95% CI 0. 99-1.16). Subgroup analysis showed that each 0.20 μmol/L ADMA increase was significantly associated with all-cause mortality in end-stage renal disease (ESRD) patients (RR 1.22; 95% CI 1.05-1.41) but not in patients with stage 3 to 4 CKD (RR 1.16; 95% CI 0.86-1.56). CONCLUSIONS Elevated ADMA level is independently associated with higher risk of all-cause mortality in ESRD patients.
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Affiliation(s)
- Heng Zhang
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
| | - Shouyan Xiang
- Institute of Molecular Biology and Translational Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China
| | - Zhe Dai
- Institute of Molecular Biology and Translational Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China
| | - Yu Fan
- Institute of Molecular Biology and Translational Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China
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Geyer T, Rübenthaler J, Alunni-Fabbroni M, Schinner R, Weber S, Mayerle J, Schiffer E, Höckner S, Malfertheiner P, Ricke J. NMR-Based Lipid Metabolite Profiles to Predict Outcomes in Patients Undergoing Interventional Therapy for a Hepatocellular Carcinoma (HCC): A Substudy of the SORAMIC Trial. Cancers (Basel) 2021; 13:cancers13112787. [PMID: 34205110 PMCID: PMC8199928 DOI: 10.3390/cancers13112787] [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: 05/02/2021] [Revised: 05/25/2021] [Accepted: 05/31/2021] [Indexed: 11/18/2022] Open
Abstract
Simple Summary A hepatocellular carcinoma (HCC) is the most common cause of death in patients suffering from chronic liver diseases. In order to improve the prediction of outcomes in HCC patients, there is a need for new biomarkers. This pilot study aimed at identifying serum metabolites for the prediction of outcomes of HCC patients using nuclear magnetic resonance (NMR) spectroscopy. This analysis revealed that high serum concentrations of myo-inositol or dimethylamine were associated with an improved overall survival. In contrast, high concentrations of total cholesterol, LDL-cholesterol and LDL particles (LDL-P) were associated with a decreased overall survival. The identification of novel biomarkers using this NMR-based technology holds promise for opening new directions in the conduction of interventional trials in HCCs. Abstract Background: This exploratory study aimed to evaluate lipidomic and metabolomic profiles in patients with early and advanced HCCs and to investigate whether certain metabolic parameters may predict the overall survival in these patients. Methods: A total of 60 patients from the prospective, randomized-controlled, multicenter phase II SORAMIC trial were included in this substudy; among them were 30 patients with an early HCC who underwent radiofrequency ablation combined with sorafenib or a placebo and 30 patients with an advanced HCC who were treated with a selective internal radiation therapy (SIRT) plus sorafenib vs. sorafenib alone. The blood serum of these patients was analyzed using a standardized nuclear magnetic resonance (NMR) platform. All tested metabolites were correlated with the overall survival. Results: The overall survival (OS) was significantly higher in patients with an early HCC (median OS: 34.0 months) compared with patients with an advanced HCC (median OS: 12.0 months) (p < 0.0001). Patients with high serum concentrations of myo-inositol (MI) had a higher overall survival compared with patients with low concentrations (21.6 vs. 13.8 months) with a Pearson correlation coefficient of 0.331 (p = 0.011). Patients with high serum concentrations of dimethylamine had a higher overall survival compared with patients with low concentrations (25.1 vs. 19.7 months) with a Pearson correlation coefficient of 0.279 (p = 0.034). High concentrations of total cholesterol, LDL-cholesterol and LDL particles (LDL-P) were associated with a decreased overall survival. Conclusions: NMR-based lipidomic and metabolomic profiling has the potential to identify individual metabolite biomarkers that predict the outcome of patients with an HCC exposed to non-invasive therapeutic management.
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Affiliation(s)
- Thomas Geyer
- Department of Radiology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany; (J.R.); (M.A.-F.); (R.S.); (P.M.); (J.R.)
- Correspondence: ; Tel.: +49-89-4400-73620
| | - Johannes Rübenthaler
- Department of Radiology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany; (J.R.); (M.A.-F.); (R.S.); (P.M.); (J.R.)
| | - Marianna Alunni-Fabbroni
- Department of Radiology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany; (J.R.); (M.A.-F.); (R.S.); (P.M.); (J.R.)
| | - Regina Schinner
- Department of Radiology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany; (J.R.); (M.A.-F.); (R.S.); (P.M.); (J.R.)
| | - Sabine Weber
- Department of Medicine II, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany; (S.W.); (J.M.)
| | - Julia Mayerle
- Department of Medicine II, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany; (S.W.); (J.M.)
| | - Eric Schiffer
- Numares AG, Am BioPark 9, 93053 Regensburg, Germany; (E.S.); (S.H.)
| | | | - Peter Malfertheiner
- Department of Radiology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany; (J.R.); (M.A.-F.); (R.S.); (P.M.); (J.R.)
- Department of Medicine II, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany; (S.W.); (J.M.)
| | - Jens Ricke
- Department of Radiology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany; (J.R.); (M.A.-F.); (R.S.); (P.M.); (J.R.)
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Yoshikawa T, Obayashi K, Miyata K, Saeki K, Ogata N. Association Between the Asymmetric Dimethylarginine Levels and Glaucoma Severity: A Cross-Sectional Analysis of the LIGHT Study. Invest Ophthalmol Vis Sci 2021; 62:7. [PMID: 33821880 PMCID: PMC8039475 DOI: 10.1167/iovs.62.4.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose Asymmetric dimethylarginine (ADMA), a potent endogenous inhibitor of nitric oxide synthase, may be involved in the pathophysiology of glaucoma by dysfunctioning nitric oxide and oxidative stress. The purpose of this study was to determine whether the serum ADMA level is associated with the severity of glaucoma. Methods One hundred twenty-five patients with glaucoma (mean age 69.4 years) were analyzed in this cross-sectional study. The severity of glaucoma was determined by the visual field mean deviation in the worse eye; severe, a mean deviation ≤ -12 dB; and mild, a mean deviation > -12 dB. The serum ADMA levels were classified into three groups according to tertiles; low (T1), intermediate (T2), and high group (T3). Results The mean serum ADMA levels in the severe glaucoma group was significantly higher than that in the mild glaucoma group (0.41 vs. 0.39 µmol/L; P = 0.031). A significantly higher prevalence of patients with severe glaucoma was found in the T3 group than that in the T1 group (T1, 44.7% and T3, 68.2%; P = 0.018). In the multivariable logistic regression analysis adjusted for the potential confounders, e.g., age, sex, obesity, smoking, hypertension, diabetes, and renal function, the odds ratio for severe glaucoma in the T3 group was significantly higher than that in the T1 group (odds ratio 3.02; 95% confidence interval 1.04 to 8.79; P = 0.043). Conclusions A significant association between higher serum ADMA levels and severe glaucoma was found, and this association remained significant after adjusting for the potential confounders.
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Affiliation(s)
- Tadanobu Yoshikawa
- Department of Ophthalmology, Nara Medical University School of Medicine, Nara, Japan
| | - Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Kimie Miyata
- Department of Ophthalmology, Nara Medical University School of Medicine, Nara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Nahoko Ogata
- Department of Ophthalmology, Nara Medical University School of Medicine, Nara, Japan
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Bahadoran Z, Mirmiran P, Kashfi K, Ghasemi A. Endogenous flux of nitric oxide: Citrulline is preferred to Arginine. Acta Physiol (Oxf) 2021; 231:e13572. [PMID: 33089645 DOI: 10.1111/apha.13572] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 09/09/2020] [Accepted: 10/17/2020] [Indexed: 02/06/2023]
Abstract
Both arginine (Arg) and its precursor citrulline (Cit) have received much interest in the past two decades because of their potential effects on whole-body nitric oxide (NO) production and augmentation of NO-dependent signalling pathways. However, the usefulness of Arg supplementation for NO production is questionable because of its high splanchnic first pass metabolism (FPM), which limits its systemic availability. Both hepatic- and extrahepatic arginases critically limit the availability of Arg for the NO synthase enzymes (NOSs) and therefore, a limited amount of oral Arg can reach the systemic circulation for NO synthesis. Arg also has some undesired effects including induction of arginase activity, an increase of urea levels, a decrease of cellular uptake of Cit and decrease of recycling of Arg from Cit. In contrast, Cit has more availability as an NO precursor because of its high intestinal absorption, low FPM and high renal reabsorption. At the cellular level, co-localization of Cit transport systems and the enzymes involved in the Cit-Arg-NO pathway facilitates channelling of Cit into NO. Furthermore, cells preferably use Cit rather than either intra- or extracellular Arg to improve NO output, especially in high-demand situations. In conclusion, available evidence strongly supports the concept that Cit leads to higher NO production and suggests that Cit may have a better therapeutic effect than Arg for NO-disrupted conditions.
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Affiliation(s)
- Zahra Bahadoran
- Nutrition and Endocrine Research Center Research Institute for Endocrine SciencesShahid Beheshti University of Medical Sciences Tehran Iran
| | - Parvin Mirmiran
- Department of Clinical Nutrition and Human Dietetics Faculty of Nutrition Sciences and Food Technology National Nutrition and Food Technology Research InstituteShahid Beheshti University of Medical Sciences Tehran Iran
| | - Khosrow Kashfi
- Department of Molecular, Cellular and Biomedical Sciences Sophie Davis School of Biomedical Education City University of New York School of Medicine New York NY USA
| | - Asghar Ghasemi
- Endocrine Physiology Research Center Research Institute for Endocrine SciencesShahid Beheshti University of Medical Sciences Tehran Iran
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Toyomasu K, Adachi H, Enomoto M, Fukami A, Nakamura S, Nohara Y, Morikawa N, Sakaue A, Hamamura H, Yamamoto M, Fukumoto Y. Impact of combined elevations of homocysteine and asymmetric dimethylarginine on all-cause death - The Tanushimaru Study. J Cardiol 2021; 78:129-135. [PMID: 33551145 DOI: 10.1016/j.jjcc.2021.01.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 01/14/2021] [Accepted: 01/16/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Both homocysteine (Hcy) and asymmetric dimethylarginine (ADMA) induce endothelial dysfunction. However, the impact of both elevations on all-cause death is not known. We investigated the association between elevations of Hcy or ADMA and all-cause death in a general population. METHODS A total of 517 subjects (224 men, 293 women; mean age, 62.8 years) were recruited from a population-based survey in 1999 in Tanushimaru, and we measured fasting plasma Hcy and ADMA levels. We followed them up for over 20 years and examined the effect on mortality using Cox proportional hazard regression model. RESULTS The mean follow-up years were 17.7 (1.8-20.8). In this period, 182 subjects have died (35.2%). The correlation between Hcy and ADMA was high (r=0.194; p<0.001). With Cox regression analysis after adjustments for age and sex, elevated log transformed Hcy levels were significantly associated with all-cause death (p=0.028). When Hcy and ADMA levels were divided into quintiles, the hierarchical model showed the synergistic effect of Hcy and ADMA on all-cause death. CONCLUSIONS This is the first report that we have measured Hcy and ADMA levels simultaneously in this community-dwelling Japanese, and we demonstrated that combined elevations of Hcy and ADMA had big impact on all-cause death in this epidemiological study.
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Affiliation(s)
- Kenta Toyomasu
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Hisashi Adachi
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan; Department of Community Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan.
| | - Mika Enomoto
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Ako Fukami
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Sachiko Nakamura
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Yume Nohara
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Nagisa Morikawa
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Akiko Sakaue
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Hitoshi Hamamura
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Maki Yamamoto
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Yoshihiro Fukumoto
- Department of Internal Medicine, Division of Cardiovascular Medicine, Kurume University School of Medicine, Kurume, Japan
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Fiedorczuk P, Stróżyński A, Olszewska E. Is the Oxidative Stress in Obstructive Sleep Apnea Associated With Cardiovascular Complications?-Systematic Review. J Clin Med 2020; 9:jcm9113734. [PMID: 33233796 PMCID: PMC7699884 DOI: 10.3390/jcm9113734] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/16/2020] [Accepted: 11/19/2020] [Indexed: 12/18/2022] Open
Abstract
Obstructive sleep apnea (OSA) is a prevalent, underdiagnosed disease and is considered an independent risk factor for cardiovascular disease. The exact mechanism of cardiovascular complications (CVC) development as a complication of OSA is not entirely understood. Oxidative stress is suspected to be the essential factor in initiating various comorbidities in OSA. Biomarkers of nonenzymatic lipid and protein peroxidation, DNA repair and antioxidant capabilities measured in serum, plasma and urine are frequently used to assess the presence of oxidative stress. We conducted a systematic review and quality assessment of available observational analytic studies to determine whether there is an association between oxidative stress and OSA in patients with prevalent CV disease compared to (a) patients with prevalent CV disease but no OSA, (b) patients with prevalent CV disease and less severe OSA and (c) patients with OSA and no overt CV disease. This systematic review demonstrated that, while oxidative stress is associated with OSA, there was no clear difference in the severity of oxidative stress between OSA patients with or without cardiovascular complications.
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Affiliation(s)
- Piotr Fiedorczuk
- Doctoral School of the Medical University of Bialystok, 15-328 Białystok, Poland;
| | | | - Ewa Olszewska
- Department of Otolaryngology Medical University of Bialystok, 15-328 Białystok, Poland
- Correspondence: ; Tel.: +48-(85)-831-8696
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Du Q, Gao J, Lu R, Jin Y, Zou Y, Yu C, Yan Y. Asymmetric dimethylarginine compartmental behavior during high-flux hemodialysis. Ren Fail 2020; 42:760-766. [PMID: 32727241 PMCID: PMC7470094 DOI: 10.1080/0886022x.2020.1797790] [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] [Indexed: 11/09/2022] Open
Abstract
Aim The accumulation of uremic toxins, such as asymmetric dimethylarginine (ADMA), has emerged as one of the major cardiovascular disease-related risk factors in patients with end-stage renal disease (ESRD). Based on the low molecular weight of ADMA, hemodialysis (HD) should theoretically effectively remove ADMA. In this study, we investigated the clearance behavior of ADMA during high-flux HD. Methods Eight HD patients without residual renal function were included. Blood samples were collected at 0, 30, 60, 120 and 240 min after dialysis started, as well as 1 h and 48 h after dialysis. ADMA level was detected by HPLC-MS/MS. Herein, the ADMA level in blood cells and the ADMA protein binding rate were measured. Accordingly, the dialyzer extraction ratio was also determined. Results The reduction ratio (RR) of ADMA (corrected for hemoconcentration) was significantly lower, at only 37.21 ± 6.44%, than that of urea and creatinine (p < .05). Interestingly, its clearance from plasma was precipitous early in dialysis and became slowly from 60 to 240 min. Additionally, a greater inlet erythrocyte than plasma concentration was found for ADMA. The dialyzer extraction ratio was comparable between ADMA and creatinine or urea (83 ± 5% for ADMA vs. 84 ± 3% and 88 ± 2% for creatinine and urea, respectively; both p>.05). Urea and creatinine had a slight rebound ratio of less than 10% at 1 h after the completion of HD. In contrast, considerable rebound of approximately 30% was detected in ADMA. Conclusion This study suggests that ADMA may present a multicompartmental distribution that cannot be representatively reflected by the urea kinetics model.
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Affiliation(s)
- Qiuna Du
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jiayuan Gao
- Department of Nephrology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Renhua Lu
- Department of Nephrology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yun Jin
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yanfang Zou
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chen Yu
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yucheng Yan
- Department of Nephrology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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Ochoa-Martínez ÁC, Orta-García ST, Varela-Silva JA, Pérez-Maldonado IN. Influence of Human Paraoxonase-1 Polymorphism (Q192R) on Serum Levels of Clinical Biomarkers Indicatives of Cardiovascular Diseases Risk in Mexican Women. Biochem Genet 2020; 58:801-820. [DOI: 10.1007/s10528-020-09975-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 05/30/2020] [Indexed: 12/11/2022]
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Velagic A, Qin C, Woodman OL, Horowitz JD, Ritchie RH, Kemp-Harper BK. Nitroxyl: A Novel Strategy to Circumvent Diabetes Associated Impairments in Nitric Oxide Signaling. Front Pharmacol 2020; 11:727. [PMID: 32508651 PMCID: PMC7248192 DOI: 10.3389/fphar.2020.00727] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 05/01/2020] [Indexed: 12/19/2022] Open
Abstract
Diabetes is associated with an increased mortality risk due to cardiovascular complications. Hyperglycemia-induced oxidative stress underlies these complications, leading to an impairment in endogenous nitric oxide (NO•) generation, together with reductions in NO• bioavailability and NO• responsiveness in the vasculature, platelets and myocardium. The latter impairment of responsiveness to NO•, termed NO• resistance, compromises the ability of traditional NO•-based therapeutics to improve hemodynamic status during diabetes-associated cardiovascular emergencies, such as acute myocardial infarction. Whilst a number of agents can ameliorate (e.g. angiotensin converting enzyme [ACE] inhibitors, perhexiline, statins and insulin) or circumvent (e.g. nitrite and sGC activators) NO• resistance, nitroxyl (HNO) donors offer a novel opportunity to circumvent NO• resistance in diabetes. With a suite of vasoprotective properties and an ability to enhance cardiac inotropic and lusitropic responses, coupled with preserved efficacy in the setting of oxidative stress, HNO donors have intact therapeutic potential in the face of diminished NO• signaling. This review explores the major mechanisms by which hyperglycemia-induced oxidative stress drives NO• resistance, and the therapeutic potential of HNO donors to circumvent this to treat cardiovascular complications in type 2 diabetes mellitus.
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Affiliation(s)
- Anida Velagic
- Heart Failure Pharmacology, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Central Clinical School, Monash University, Melbourne, VIC, Australia
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC, Australia
| | - Chengxue Qin
- Heart Failure Pharmacology, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Central Clinical School, Monash University, Melbourne, VIC, Australia
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC, Australia
| | - Owen L. Woodman
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC, Australia
| | - John D. Horowitz
- Basil Hetzel Institute, Queen Elizabeth Hospital, University of Adelaide, Adelaide, SA, Australia
| | - Rebecca H. Ritchie
- Heart Failure Pharmacology, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Central Clinical School, Monash University, Melbourne, VIC, Australia
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC, Australia
- Department of Pharmacology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Barbara K. Kemp-Harper
- Department of Pharmacology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
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Łuczak A, Madej M, Kasprzyk A, Doroszko A. Role of the eNOS Uncoupling and the Nitric Oxide Metabolic Pathway in the Pathogenesis of Autoimmune Rheumatic Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1417981. [PMID: 32351667 PMCID: PMC7174952 DOI: 10.1155/2020/1417981] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 03/31/2020] [Indexed: 12/15/2022]
Abstract
Atherosclerosis and its clinical complications constitute the major healthcare problems of the world population. Due to the central role of endothelium throughout the atherosclerotic disease process, endothelial dysfunction is regarded as a common mechanism for various cardiovascular (CV) disorders. It is well established that patients with rheumatic autoimmune diseases are characterized by significantly increased prevalence of cardiovascular morbidity and mortality compared with the general population. The current European guidelines on cardiovascular disease (CVD) prevention in clinical practice recommend to use a 1,5-factor multiplier for CV risk in rheumatoid arthritis as well as in other autoimmune inflammatory diseases. However, mechanisms of accelerated atherosclerosis in these diseases, especially in the absence of traditional risk factors, still remain unclear. Oxidative stress plays the major role in the endothelial dysfunction and recently is strongly attributed to endothelial NO synthase dysfunction (eNOS uncoupling). Converted to a superoxide-producing enzyme, uncoupled eNOS not only leads to reduction of the nitric oxide (NO) generation but also potentiates the preexisting oxidative stress, which contributes significantly to atherogenesis. However, to date, there are no systemic analyses on the role of eNOS uncoupling in the excess CV mortality linked with autoimmune rheumatic diseases. The current review paper addresses this issue.
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Affiliation(s)
- Anna Łuczak
- Department of Rheumatology, Wroclaw Medical University, Poland
| | - Marta Madej
- Department of Rheumatology, Wroclaw Medical University, Poland
| | - Agata Kasprzyk
- Department of Rheumatology, Wroclaw Medical University, Poland
| | - Adrian Doroszko
- Department of Internal Medicine, Hypertension and Clinical Oncology, Wroclaw Medical University, Poland
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Kosedo I, Tokushige A, Takumi T, Yoshikawa A, Teraguchi K, Takenouchi K, Shiraishi K, Ikeda D, Imamura M, Sonoda T, Kanda D, Ikeda Y, Ido A, Ohishi M. Use of proton pump inhibitors is associated with an increase in adverse cardiovascular events in patients with hemodialysis: Insight from the kids registry. Eur J Intern Med 2020; 72:79-87. [PMID: 31735546 DOI: 10.1016/j.ejim.2019.11.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 10/04/2019] [Accepted: 11/06/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND Proton pump inhibitors (PPIs) are known to increase the risk of mortality and cardiovascular events in the general population. However, in patients with maintenance hemodialysis, PPI effects are under investigated. METHODS We analyzed the risk of PPIs for cardiovascular events using the Kagoshima Dialysis (KIDS) registry, a prospective, multicenter, observational study in patients with maintenance hemodialysis in Japan. RESULTS In all, 531 patients were enrolled from June 2015 to December 2018. One-year follow-up data were available for 376 patients (Use of PPIs at baseline (PPI group): 217 patients and without PPIs (No PPI group): 159 patients). The incidence of a composite outcome (all-cause mortality, non-fatal myocardial infarction, or non-fatal stroke) was higher in patients in the PPI group than the No PPI group (15.2% vs. 4.4%; hazard ratio (HR): 3.65, 95% confidence interval (CI): 1.61-8.23, P = 0.002). In the multivariate analysis, even after adjustment for covariates, the use of PPIs was an independent risk factor for a composite outcome (HR: 2.38, 95% CI: 1.02-5.54, P = 0.045). We performed propensity score matching analysis as a sensitivity analysis, showing a consistent result. The incidence of bleeding showed no difference between the two groups (15.7% vs. 11.3%; HR: 1.46, 95% CI: 0.83-2.59, P = 0.19). CONCLUSIONS These results indicate that the use of PPIs in patients with maintenance hemodialysis might increase mortality and cardiovascular events without decreasing the risk of bleeding. Therefore, it should always be analyzed if a patient truly needs PPIs.
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Affiliation(s)
- Ippei Kosedo
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Akihiro Tokushige
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan; Department of Prevention and Analysis of Cardiovascular Diseases, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan.
| | - Takuro Takumi
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | | | | | | | | | | | | | - Takeshi Sonoda
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Daisuke Kanda
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Yoshiyuki Ikeda
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Akio Ido
- Department of Digestive and Lifestyle Diseases, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Mitsuru Ohishi
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan; Department of Prevention and Analysis of Cardiovascular Diseases, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
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Asymmetric dimethylarginine is not a marker of arterial damage in children with glomerular kidney diseases. Cent Eur J Immunol 2020; 44:370-379. [PMID: 32140048 PMCID: PMC7050061 DOI: 10.5114/ceji.2019.92788] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 10/03/2019] [Indexed: 02/07/2023] Open
Abstract
Introduction Asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase, correlates with cardiovascular risk especially in patients with chronic kidney disease. The aim of our study was to establish significance of ADMA as a biomarker of arterial damage in children with glomerulopathies. Material and methods In 80 children with glomerulopathies (mean age, 11.33 ±4.25 years; 42 with idiopathic nephrotic syndrome [INS], 38 with IgA or Henoch-Schoenlein nephropathy [IgAN/HSN]), we analyzed serum ADMA [nmol/ml], peripheral and central blood pressure, arterial stiffness (augmentation index – AIx75HR, pulse wave velocity – PWV), common carotid artery intima media thickness (cIMT), and selected clinical and biochemical parameters. Results In the study group, mean ADMA concentration was 1.66 ±1.19 [nmol/ml] and did not differ between INS and IgAN/HSN patients. We found no significant correlations between concentration of ADMA, cIMT [mm]/Z-score, PWV [m/s]/Z-score, and AIx75HR [%] in the whole group and in INS and IgAN/HSN patients. In the whole group of 80 children, ADMA correlated (p < 0.05) with BMI Z-score (r = –0.24), uric acid (r = –0.23), HDL-cholesterol (r = –0.25), and central mean arterial pressure (r = –0.25), in children with INS also with total protein (r = 0.37), albumin (r = 0.36), and total cholesterol (r = –0.40, p = 0.028). In multivariate analysis, serum albumin was the strongest determinant of ADMA in the whole group (β = 0.536, 95% CI: 0.013-1.060, p = 0.045). Conclusions 1. In children with glomerulonephritis, measurement of asymmetric dimethylarginine cannot replace well established and validated methods of assessment of subclinical arterial damage. 2. In children with glomerular kidney diseases, ADMA concentration is related primarily to serum albumin concentration.
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Mangoni AA, Rodionov RN, McEvoy M, Zinellu A, Carru C, Sotgia S. New horizons in arginine metabolism, ageing and chronic disease states. Age Ageing 2019; 48:776-782. [PMID: 31268522 DOI: 10.1093/ageing/afz083] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/16/2019] [Accepted: 06/10/2019] [Indexed: 11/14/2022] Open
Abstract
The elucidation of the metabolic pathways of the amino acid arginine and their role in health and disease have been an intensive focus of basic and clinical research for over a century. The recent advent of robust analytical techniques for biomarker assessment in large population cohorts has allowed the investigation of the pathophysiological role of specific arginine metabolites in key chronic disease states in old age, particularly those characterised by a reduced synthesis of endothelial nitric oxide, with consequent vascular disease and atherosclerosis. Two arginine metabolites have been increasingly studied in regard to their potential role in risk stratification and in the identification of novel therapeutic targets: the methylated arginine asymmetric dimethylarginine (ADMA) and the arginine analogue homoarginine. Higher circulating concentrations of ADMA, a potent inhibitor of nitric oxide synthesis, have been shown to predict adverse cardiovascular outcomes. By contrast, there is emerging evidence that homoarginine might exert cardioprotective effects. This review highlights recent advances in the biological and clinical role of ADMA and homoarginine in cardiovascular disease and other emerging fields, particularly chronic obstructive pulmonary disease, dementia, and depression. It also discusses opportunities for future research directions with the ultimate goal of translating knowledge of arginine metabolism, and its role in health and disease, into the clinical care of older adults.
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Affiliation(s)
- Arduino A Mangoni
- Discipline of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Adelaide, Australia
| | - Roman N Rodionov
- University Centre for Vascular Medicine, Technische Universität Dresden, Dresden, Germany
| | - Mark McEvoy
- Faculty of Health and Medicine, School of Medicine and Public Health, Hunter Medical Research Institute, University of Newcastle, Newcastle, Australia
| | - Angelo Zinellu
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Ciriaco Carru
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
- Quality Control Unit, University Hospital of Sassari (AOU-SS), Sassari, Italy
| | - Salvatore Sotgia
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
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Mannino GC, Pezzilli S, Averta C, Fuoco A, Spiga R, Mancuso E, Di Fatta C, Perticone F, Prudente S, Trischitta V, Andreozzi F, Sesti G. A functional variant of the dimethylarginine dimethylaminohydrolase-2 gene is associated with myocardial infarction in type 2 diabetic patients. Cardiovasc Diabetol 2019; 18:102. [PMID: 31409409 PMCID: PMC6693196 DOI: 10.1186/s12933-019-0906-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 08/05/2019] [Indexed: 02/06/2023] Open
Abstract
Background Myocardial infarction is the main mortality cause in patients with type 2 diabetes (T2DM). Endothelial dysfunction due to reduced bioavailability of nitric oxide (NO) is an early step of atherogenesis. Asymmetric dimethylarginine (ADMA) is an endogenous inhibitor of NO synthesis, and it is metabolized by the enzymes dimethylarginine dimethylaminohydrolase (DDAH) 1 and 2. The functional variant rs9267551 C, in the promoter region of DDAH2, has been linked to increased DDAH2 expression, and lower ADMA plasma levels, and was associated with lower risk of coronary artery disease in large-scale genome-wide association studies (GWAS) performed in the general population. However, it is unknown whether this association holds true in T2DM patients. To address this issue, we investigated whether rs9267551 is associated with risk of myocardial infarction in two cohorts of T2DM patients. Methods SNP rs9267551 was genotyped in 1839 White T2DM patients from the Catanzaro Study (CZ, n = 1060) and the Gargano Heart Study-cross sectional design (GHS, n = 779). Cases were patients with a previous myocardial infarction, controls were asymptomatic patients with neither previous myocardial ischemia nor signs of it at resting and during a maximal symptom limited stress electrocardiogram. Results Carriers of allele rs9267551 C showed a dose dependent reduction in the risk of myocardial infarction [(CZ = OR 0.380, 95% CI 0.175–0.823, p = 0.014), (GHS = 0.497, 0.267–0.923, p = 0.027), (Pooled = 0.458, 0.283–0.739, p = 0.001)] which remained significant after adjusting for sex, age, BMI, smoking, HbA1c, total cholesterol HDL, and triglyceride levels [(CZ = 0.307, 0.106–0.885, p = 0.029), (GHS = 0.512, 0.270–0.970, p = 0.040), (Pooled = 0.458, 0.266–0.787, p = 0.005)]. Conclusions We found that rs9267551 polymorphism is significantly associated with myocardial infarction in T2DM patients of European ancestry from two independent cohorts. It is possible that in subjects carrying the protective C allele less ADMA accumulates in endothelial cells causing vascular protection as a consequence of higher nitric oxide availability.
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Affiliation(s)
- Gaia Chiara Mannino
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Serena Pezzilli
- Research Unit of Metabolic and Cardiovascular Diseases, Fondazione IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy.,Medical Genetics, University Chieti-Pescara, Pescara, Chieti Scalo, Italy
| | - Carolina Averta
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Anastasia Fuoco
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Rosangela Spiga
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Elettra Mancuso
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Concetta Di Fatta
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Francesco Perticone
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Sabrina Prudente
- Research Unit of Metabolic and Cardiovascular Diseases, Fondazione IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | - Vincenzo Trischitta
- Research Unit of Metabolic and Cardiovascular Diseases, Fondazione IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy.,Department of Experimental Medicine, Sapienza University, Rome, Italy
| | - Francesco Andreozzi
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy.
| | - Giorgio Sesti
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
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Meta-Analysis of Asymmetric Dimethylarginine Concentrations in Rheumatic Diseases. Sci Rep 2019; 9:5426. [PMID: 30932011 PMCID: PMC6443686 DOI: 10.1038/s41598-019-41994-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 03/15/2019] [Indexed: 02/06/2023] Open
Abstract
Raised circulating concentrations of asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase (NOS), have been reported in several rheumatic diseases (RDs). However, the strength of this relationship is unclear. Therefore, the aim of this systematic review and meta-analysis was to evaluate the magnitude and the robustness of the association between ADMA concentrations and RDs. We calculated standardized mean differences (SMD, with 95% confidence intervals, CI). Study heterogeneity was evaluated by meta-regressions and sensitivity analyses according to type of RDs, conventional cardiovascular risk factors, inflammatory markers, and type of ADMA assessment methodology. Thirty-seven studies with a total of 2,982 subjects (1,860 RDs patients and 1,122 healthy controls) were included in our meta-analysis. Pooled results showed that ADMA concentrations were significantly higher in patients with RDs than in healthy controls (SMD = 1.27 µmol/L, 95% CI 0.94–1.60 µmol/L; p < 0.001). However, the between-studies heterogeneity was high. Differences in ADMA concentrations between controls and RDs patients were not significantly associated with inflammatory markers, increasing age, lipid concentrations, body mass index, blood pressure, or methodology used to assess ADMA. Furthermore, subgroup analysis showed no difference across RDs. This meta-analysis showed that, in the context of significant between-study heterogeneity, circulating concentrations of ADMA are positively related to RDs.
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Radujkovic A, Dai H, Kordelas L, Beelen D, Rachakonda SP, Müller-Tidow C, Kumar R, Dreger P, Luft T. Asymmetric dimethylarginine serum levels are associated with early mortality after allogeneic stem cell transplantation. Haematologica 2019; 104:827-834. [PMID: 30514796 PMCID: PMC6442976 DOI: 10.3324/haematol.2018.202267] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 11/23/2018] [Indexed: 12/26/2022] Open
Abstract
Increasing evidence suggests that endothelial cell distress is associated with mortality after allogeneic stem cell transplantation and acute graft-versus-host disease. Asymmetric dimethylarginine is an endogenous nitric oxide synthase inhibitor that induces endothelial cell dysfunction. We analyzed the impact of pre-transplant serum levels of asymmetric dimethylarginine on outcome after allogeneic stem cell transplantation. Since acute graft-versus-host disease and its treatment are major contributors to post-transplant mortality, the effect of asymmetric dimethylarginine on outcome measures was also assessed after onset of acute graft-versus-host disease. A total of 938 patients allografted at two centers between 2002 and 2013 were included in the retrospective study. In multivariable models, higher pre-transplant asymmetric dimethylarginine levels were significantly associated with an increased risk of non-relapse mortality (hazard ratio 1.43 per 1-log2 increase, P=0.005) but not with relapse (hazard ratio 1.21, P=0.109) within the first year after transplantation. This translated into worse overall survival (hazard ratio 1.45, P<0.0001) and shorter progression-free survival (hazard ratio 1.30, P=0.002) in the first year after transplantation. Higher pre-transplant asymmetric dimethylarginine levels were also associated with shorter overall survival (hazard ratio 1.46, P=0.001) and progression-free survival (hazard ratio 1.32, P=0.010) and higher non-relapse mortality (hazard ratio 1.36, P=0.042) within 1 year after the onset of acute graft-versus-host disease. Taken together, our data indicate an association between pre-transplant asymmetric dimethylarginine status and early non-relapse mortality in allografted patients, both overall and after the onset of acute graft-versus-host disease. These findings underline the relevance of endothelial dysfunction for transplant complications.
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Affiliation(s)
| | - Hao Dai
- Department of Epidemiology, German Cancer Research Centre (DKFZ), Heidelberg
| | - Lambros Kordelas
- Department of Bone Marrow Transplantation, University Hospital Essen, Germany
| | - Dietrich Beelen
- Department of Bone Marrow Transplantation, University Hospital Essen, Germany
| | - Sivaramakrishna P Rachakonda
- Department of Internal Medicine V, University Hospital Heidelberg
- Department of Epidemiology, German Cancer Research Centre (DKFZ), Heidelberg
| | | | - Rajiv Kumar
- Department of Epidemiology, German Cancer Research Centre (DKFZ), Heidelberg
| | - Peter Dreger
- Department of Internal Medicine V, University Hospital Heidelberg
| | - Thomas Luft
- Department of Internal Medicine V, University Hospital Heidelberg
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Tahara N, Kojima R, Yoshida R, Bekki M, Sugiyama Y, Tahara A, Maeda S, Honda A, Igata S, Nakamura T, Sun J, Matsui T, Fukumoto Y, Matsui T, Yamagishi SI. Serum Levels of Protein-Bound Methylglyoxal-Derived Hydroimidazolone-1 are Independently Correlated with Asymmetric Dimethylarginine. Rejuvenation Res 2019; 22:431-438. [PMID: 30661488 DOI: 10.1089/rej.2018.2152] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Asymmetric dimethylarginine (ADMA) is an endogenous inhibitor of nitric oxide synthase, being involved in endothelial dysfunction. Furthermore, ADMA levels have been shown to predict future cardiovascular events in patients with coronary risk factors, such as diabetes and hypertension. We have previously found that glyceraldehyde-derived advanced glycation end products (glycer-AGEs) stimulate ADMA generation in vitro and the levels are associated with ADMA, endothelial dysfunction, and vascular inflammation in humans. However, it remains unclear what structurally distinct glycer-AGEs are independent correlates of ADMA. In this study, we addressed the issue. We measured serum levels of protein-bound and free methylglyoxal-derived hydroimidazolone-1 (MG-H1) and argpyrimidine, two major structurally identified glycer-AGEs by liquid chromatography-tandem mass spectrometry in 128 outpatients, and examined the correlations of these AGEs, vascular stiffness, and inflammation with ADMA. Moreover, we examined whether the changes in serum MG-H1 and argpyrimidine levels after 4-month treatment with oral hypoglycemic agents (OHAs) were associated with those of ADMA in other 44 patients with impaired glucose tolerance or type 2 diabetes. Multiple stepwise regression analysis revealed that protein-bound MG-H1, high-density lipoprotein cholesterol (inversely), high-sensitivity C-reactive protein, and cardio-ankle vascular index were independently correlated with ADMA (R2 = 0.259). Treatment with OHAs significantly decreased ADMA levels in 44 glucose-intolerant or type 2 diabetic patients, and the changes in protein-bound MG-H1 levels were positively associated with those in ADMA values (p < 0.05). This study demonstrates that serum levels of protein-bound MG-H1 are independently correlated with ADMA and may be a therapeutic target for cardiovascular disease.
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Affiliation(s)
- Nobuhiro Tahara
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Ruchia Kojima
- Division of Bioscience and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School of Kyushu University, Fukuoka, Japan
| | - Risa Yoshida
- Division of Bioscience and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School of Kyushu University, Fukuoka, Japan
| | - Munehisa Bekki
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Yoichi Sugiyama
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Atsuko Tahara
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Shoko Maeda
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Akihiro Honda
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Sachiyo Igata
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Tomohisa Nakamura
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Jiahui Sun
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Takanori Matsui
- Department of Pathophysiology and Therapeutics of Diabetic Vascular Complications, Kurume University School of Medicine, Kurume, Japan
| | - Yoshihiro Fukumoto
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Toshiro Matsui
- Division of Bioscience and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School of Kyushu University, Fukuoka, Japan
| | - Sho-Ichi Yamagishi
- Department of Pathophysiology and Therapeutics of Diabetic Vascular Complications, Kurume University School of Medicine, Kurume, Japan
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Sozański T, Kucharska AZ, Wiśniewski J, Fleszar MG, Rapak A, Gomułkiewicz A, Dzięgiel P, Magdalan J, Nowak B, Szumny D, Matuszewska A, Piórecki N, Szeląg A, Trocha M. The iridoid loganic acid and anthocyanins from the cornelian cherry (Cornus mas L.) fruit increase the plasma l-arginine/ADMA ratio and decrease levels of ADMA in rabbits fed a high-cholesterol diet. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2019; 52:1-11. [PMID: 30599888 DOI: 10.1016/j.phymed.2018.09.175] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 08/09/2018] [Accepted: 09/17/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Although fruit and vegetable-rich diets have beneficial effects on cardiovascular diseases, we have little knowledge of the impact of fruits and their constituents, iridoids and anthocyanins, on the l-arginine-ADMA-DDAH pathway. Our previous study demonstrated the modulation of those factors by the oral administration of the cornelian cherry fruit. HYPOTHESIS/PURPOSE We have assessed the effects of the oral administration of two main constituents isolated from the cornelian cherry fruit, iridoid loganic acid and anthocyanins, on l-arginine, its derivatives (ADMA, SDMA), metabolites (DMA, l-citrulline), and the hepatic DDAH activity and its isoform expression in rabbits fed a high-cholesterol diet. We have also analyzed eNOS expression in the thoracic aorta as well as the redox status in blood. STUDY DESIGN In the present study, we used an animal model of diet induced atherosclerosis. For 60 days, white New Zealand rabbits were fed a standard diet, a 1% cholesterol enriched diet, or concomitantly with the investigated substances. l-arginine, ADMA, SDMA, DMA, and l-citrulline were assessed using the LC-MS/MS method. DDAH activity and redox parameters were analyzed spectrophotometrically. DDAH1 and DDAH2 isoform expressions were assessed by western blotting, mRNA expression of eNOS was quantified by real-time PCR. RESULTS We demonstrated that the administration of loganic acid (20 mg/kg b.w.), and to a lesser extent of anthocyanins (10 mg/kg b.w.), caused an increase in the l-arginine level and the l-arginine/ADMA ratio. Also, both substances decreased ADMA, DMA, and l-citrulline, but not SDMA levels. Anthocyanins, but not loganic acid, enhanced the activity of DDAH in the liver. Anthocyanins also significantly enhanced both DDAH1 and DDAH2 expression, while loganic acid to a lesser extent enhanced DDAH1 but not DDAH2 expression. Both loganic acid and anthocyanins pronouncedly increased mRNA expression of eNOS in thoracic aortas. Both loganic acid and anthocyanins reversed the blood glutathione level depleted by dietary cholesterol. Cholesterol feeding decreased the blood GPx level, and the change was not reversed by anthocyanins or loganic acid. We did not observe any significant differences in the blood levels of MDA or SOD among the groups. CONCLUSION Iridoids and anthocyanins may modulate the l-arginine-ADMA pathway in subjects fed a high-cholesterol diet.
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Affiliation(s)
- Tomasz Sozański
- Department of Pharmacology, Wroclaw Medical University, Jana Mikulicza-Radeckiego 2, Wrocław 50-345, Poland.
| | - Alicja Z Kucharska
- Department of Fruit, Vegetable and Plant Nutraceutical Technology, Wroclaw University of Environmental and Life Sciences, Chełmońskiego 37, Wrocław 51-630, Poland
| | - Jerzy Wiśniewski
- Department of Medical Biochemistry, Wroclaw Medical University, Chałubińskiego 10, Wrocław 50-368, Poland
| | - Mariusz G Fleszar
- Department of Medical Biochemistry, Wroclaw Medical University, Chałubińskiego 10, Wrocław 50-368, Poland
| | - Andrzej Rapak
- Laboratory of Tumor Molecular Immunobiology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, Wrocław 53-114, Poland
| | - Agnieszka Gomułkiewicz
- Department of Human Morphology and Embryology, Division of Histology and Embryology, Wroclaw Medical University, Chałubińskiego 6a, Wrocław 50-368, Poland
| | - Piotr Dzięgiel
- Department of Human Morphology and Embryology, Division of Histology and Embryology, Wroclaw Medical University, Chałubińskiego 6a, Wrocław 50-368, Poland; Department of Physiotherapy, University School of Physical Education, I.J. Paderewskiego 35, Wroclaw 51-612, Poland
| | - Jan Magdalan
- Department of Pharmacology, Wroclaw Medical University, Jana Mikulicza-Radeckiego 2, Wrocław 50-345, Poland
| | - Beata Nowak
- Department of Pharmacology, Wroclaw Medical University, Jana Mikulicza-Radeckiego 2, Wrocław 50-345, Poland
| | - Dorota Szumny
- Department of Pharmacology, Wroclaw Medical University, Jana Mikulicza-Radeckiego 2, Wrocław 50-345, Poland
| | - Agnieszka Matuszewska
- Department of Pharmacology, Wroclaw Medical University, Jana Mikulicza-Radeckiego 2, Wrocław 50-345, Poland
| | - Narcyz Piórecki
- Bolestraszyce Arboretum and Institute of Physiography, Przemyśl 37-700, Poland; Department of Tourism and Recreation, University of Rzeszow, Towarnickiego 3, Rzeszów 35-959, Poland
| | - Adam Szeląg
- Department of Pharmacology, Wroclaw Medical University, Jana Mikulicza-Radeckiego 2, Wrocław 50-345, Poland
| | - Małgorzata Trocha
- Department of Pharmacology, Wroclaw Medical University, Jana Mikulicza-Radeckiego 2, Wrocław 50-345, Poland
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Sheikh Rezaei S, Weisshaar S, Litschauer B, Gouya G, Ohrenberger G, Wolzt M. ADMA and NT pro-BNP are associated with overall mortality in elderly. Eur J Clin Invest 2019; 49:e13041. [PMID: 30365159 PMCID: PMC6587535 DOI: 10.1111/eci.13041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 08/20/2018] [Accepted: 10/22/2018] [Indexed: 12/24/2022]
Abstract
BACKGROUND Increased asymmetrical dimethylarginine (ADMA) and NT pro-BNP concentrations have been associated with mortality in patients with cardiovascular (CV) disease and the general population. The use of these prognostic markers in an older population is not established yet. The aim of the present study was to investigate the prognostic value of age, sex, BMI, co-medication and CV laboratory risk markers in geriatric care patients. MATERIALS AND METHODS In this prospective observational single-centre cohort study data of long-term geriatric care patients were collected. Blood samples were collected between 14.09.2009 and 16.12.2009, and mortality was recorded up to 90 months. ADMA, its symmetric isomer SDMA, L-arginine, NT pro-BNP and CRP were determined at study entry. Simple associations of risk factors for survival period were explored by Spearman correlation coefficient. Significant univariate predictors for survival period were used in the Cox proportional hazard model. RESULTS A total of 481 patients were screened, and data from 449 patients were analysed. A total of 381 patients died during the observation period. Full data sets from 344 patients were used for Cox regression analysis. Male sex, older age, lower BMI, use of neuroleptic medicine, peripheral artery disease, and elevated plasma concentrations of ADMA, NT pro-BNP, and CRP were significant predictors of mortality. CONCLUSION The concentration of ADMA and NT pro-BNP may be used as an early risk marker for overall mortality in geriatric care. Neuroleptic medicine is associated with increased mortality in this population.
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Affiliation(s)
| | - Stefan Weisshaar
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Brigitte Litschauer
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Ghazaleh Gouya
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | | | - Michael Wolzt
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
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Mechanisms of testosterone deficiency-related endothelial dysfunction. Hellenic J Cardiol 2018; 59:207-208. [DOI: 10.1016/j.hjc.2018.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 06/01/2018] [Indexed: 11/19/2022] Open
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Abstract
Nitric oxide (NO) signalling has pleiotropic roles in biology and a crucial function in cardiovascular homeostasis. Tremendous knowledge has been accumulated on the mechanisms of the nitric oxide synthase (NOS)-NO pathway, but how this highly reactive, free radical gas signals to specific targets for precise regulation of cardiovascular function remains the focus of much intense research. In this Review, we summarize the updated paradigms on NOS regulation, NO interaction with reactive oxidant species in specific subcellular compartments, and downstream effects of NO in target cardiovascular tissues, while emphasizing the latest developments of molecular tools and biomarkers to modulate and monitor NO production and bioavailability.
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Affiliation(s)
- Charlotte Farah
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Experimentale et Clinique (IREC) and Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, UCL-FATH Tour Vésale 5th Floor, 52 Avenue Mounier B1.53.09, 1200 Brussels, Belgium
| | - Lauriane Y M Michel
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Experimentale et Clinique (IREC) and Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, UCL-FATH Tour Vésale 5th Floor, 52 Avenue Mounier B1.53.09, 1200 Brussels, Belgium
| | - Jean-Luc Balligand
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Experimentale et Clinique (IREC) and Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, UCL-FATH Tour Vésale 5th Floor, 52 Avenue Mounier B1.53.09, 1200 Brussels, Belgium
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Chu R, Yu D, Chu J, Lin M, Yu H. Prognostic efficacy of circulating asymmetric dimethylarginine in patients with peripheral arterial disease: A meta-analysis of prospective cohort studies. Vascular 2017; 26:322-330. [PMID: 28945167 DOI: 10.1177/1708538117733227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Background Asymmetric dimethylarginine is suggested to be a marker of poor prognosis in patients with atherosclerosis. However, the predictive role of circulating asymmetric dimethylarginine for clinical outcome in patients with peripheral arterial disease has not been determined. Aims To quantitatively assess the predictive value of circulating asymmetric dimethylarginine for clinical outcome in patients with peripheral arterial disease in a meta-analysis of prospective cohort studies. Methods Relevant studies were identified by systematically searching of PubMed and Embase databases. A random-effect model was used to synthesize the results. Sensitivity analyses by omitting one study at a time were performed to evaluate the robustness of the results. Results Six studies with 2535 peripheral arterial disease patients were included. Patients with higher circulating asymmetric dimethylarginine at baseline were associated with higher risk of all-cause mortality (adjusted hazard ratio: 1.63, 95% confidence interval: 1.28-2.06, I2 = 16%), and major adverse cardiovascular events (adjusted hazard ratio: 2.01, 95% confidence interval: 1.08-3.73, I2 = 78%) as compared with those with lower circulating asymmetric dimethylarginine at baseline. Specifically, every increment of 0.1 µmol/l of asymmetric dimethylarginine was associated with 18% (adjusted hazard ratio: 1.18, 95% confidence interval: 1.06-1.31) increased risk for all-cause mortality and 14% (adjusted hazard ratio: 1.14, 95% confidence interval: 1.04-1.25) increased risk for major adverse cardiovascular disease. Sensitivity analyses by omitting one study at a time did not significantly change the results. Conclusion Higher circulating asymmetric dimethylarginine at baseline may be associated with higher incidence of cardiovascular events and mortality in patients with peripheral arterial disease.
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Affiliation(s)
- Renzhu Chu
- 1 Department of Interventional Radiology, Wendeng Osteopathy Hospital, Weihai, China
| | - Dawei Yu
- 1 Department of Interventional Radiology, Wendeng Osteopathy Hospital, Weihai, China
| | - Junyi Chu
- 1 Department of Interventional Radiology, Wendeng Osteopathy Hospital, Weihai, China
| | - Mingqiang Lin
- 2 Department of Radiology, Wendeng Osteopathy Hospital, Weihai, China
| | - Hongbo Yu
- 1 Department of Interventional Radiology, Wendeng Osteopathy Hospital, Weihai, China
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