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Stoian I, Iosif L, Gilca M, Vlad A, Tivig I, Bradescu OM, Savu O. L-Arginine-Dependent Nitric Oxide Production in the Blood of Patients with Type 2 Diabetes: A Pilot, Five-Year Prospective Study. Life (Basel) 2024; 14:556. [PMID: 38792578 PMCID: PMC11122261 DOI: 10.3390/life14050556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 04/15/2024] [Accepted: 04/24/2024] [Indexed: 05/26/2024] Open
Abstract
Backgound: Type 2 diabetes mellitus (T2DM) is a major cardiovascular risk factor. Nitric oxide (NO) is one of the many molecules that regulate vascular tone, and red blood cells (RBCs) are known to play an important role in adjusting cardiac function through NO export from RBCs. Our study prospectively investigated the L-arginine (L-arg)-nitric oxide (NO) metabolic pathway in the erythrocytes and plasma of subjects with T2DM. Methods: RBCs and plasma were collected from patients with T2DM (n = 10), at first clinical onset (baseline) and after five years of disease evolution (follow-up). L-arg content was assayed by competitive enzyme-linked immunoassay. Arginase activity and nitrate/nitrite levels were measured using spectrophotometry. Results: When compared to baseline, L-arg content decreased in RBCs and remained similar in the plasma; NO production decreased in RBCs and the plasma; and arginase activity was lower in RBCs and increased in plasma. Conclusions: The L-arg/NO metabolic pathway decreases in the RBCs of patients with T2DM five years after the first clinical onset. The persistent decrease in RBCs' arginase activity fails to compensate for the sustained decrease in RBCs' NO production in the diabetic environment. This pilot study indicates that the NO-RBC pool is depleted during the progression of the disease in the same cohort of T2DM patients.
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Affiliation(s)
- Irina Stoian
- Department of Functional Sciences I/Biochemistry, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (I.S.); (L.I.); (M.G.)
- IristLabmed SRL, 031235 Bucharest, Romania;
| | - Liviu Iosif
- Department of Functional Sciences I/Biochemistry, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (I.S.); (L.I.); (M.G.)
- IristLabmed SRL, 031235 Bucharest, Romania;
| | - Marilena Gilca
- Department of Functional Sciences I/Biochemistry, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (I.S.); (L.I.); (M.G.)
| | - Adelina Vlad
- Department of Functional Sciences I/Physiology, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Ioan Tivig
- IristLabmed SRL, 031235 Bucharest, Romania;
- Biophysics and Cellular Biotechnology Department, Excellence Center for Research in Biophysics and Cellular Biotechnology, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Ovidiu Marius Bradescu
- N.C. Paulescu National Institute of Diabetes, Nutrition and Metabolic Diseases, 020475 Bucharest, Romania; (O.M.B.); (O.S.)
| | - Octavian Savu
- N.C. Paulescu National Institute of Diabetes, Nutrition and Metabolic Diseases, 020475 Bucharest, Romania; (O.M.B.); (O.S.)
- Department of Doctoral School, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
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Cao X, Wu VWY, Han Y, Hong H, Wu Y, Kong APS, Lui KO, Tian XY. Role of Argininosuccinate Synthase 1 -Dependent L-Arginine Biosynthesis in the Protective Effect of Endothelial Sirtuin 3 Against Atherosclerosis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307256. [PMID: 38233193 DOI: 10.1002/advs.202307256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/08/2023] [Indexed: 01/19/2024]
Abstract
Atherosclerosis is initiated with endothelial cell (EC) dysfunction and vascular inflammation under hyperlipidemia. Sirtuin 3 (SIRT3) is a mitochondrial deacetylase. However, the specific role of endothelial SIRT3 during atherosclerosis remains poorly understood. The present study aims to study the role and mechanism of SIRT3 in EC function during atherosclerosis. Wild-type Sirt3f/f mice and endothelium-selective SIRT3 knockout Sirt3f/f; Cdh5Cre/+ (Sirt3EC-KO) mice are injected with adeno-associated virus (AAV) to overexpress PCSK9 and fed with high-cholesterol diet (HCD) for 12 weeks to induce atherosclerosis. Sirt3EC-KO mice exhibit increased atherosclerotic plaque formation, along with elevated macrophage infiltration, vascular inflammation, and reduced circulating L-arginine levels. In human ECs, SIRT3 inhibition resulted in heightened vascular inflammation, reduced nitric oxide (NO) production, increased reactive oxygen species (ROS), and diminished L-arginine levels. Silencing of SIRT3 results in hyperacetylation and deactivation of Argininosuccinate Synthase 1 (ASS1), a rate-limiting enzyme involved in L-arginine biosynthesis, and this effect is abolished in mutant ASS1. Furthermore, L-arginine supplementation attenuates enhanced plaque formation and vascular inflammation in Sirt3EC-KO mice. This study provides compelling evidence supporting the protective role of endothelial SIRT3 in atherosclerosis and also suggests a critical role of SIRT3-induced deacetylation of ASS1 by ECs for arginine synthesis.
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Affiliation(s)
- Xiaoyun Cao
- School of Biomedical Sciences, Heart and Vascular Institute, Faculty of Medicine, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, 999077, China
- Department of Chemical Pathology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, 999077, China
| | - Vivian Wei Yan Wu
- School of Biomedical Sciences, Heart and Vascular Institute, Faculty of Medicine, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, 999077, China
| | - Yumeng Han
- School of Biomedical Sciences, Heart and Vascular Institute, Faculty of Medicine, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, 999077, China
| | - Huiling Hong
- School of Biomedical Sciences, Heart and Vascular Institute, Faculty of Medicine, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, 999077, China
| | - Yalan Wu
- School of Biomedical Sciences, Heart and Vascular Institute, Faculty of Medicine, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, 999077, China
- Department of Histology and Embryology, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | - Alice Pik Shan Kong
- Department of Medicine & Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, 999077, China
| | - Kathy O Lui
- Department of Chemical Pathology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, 999077, China
| | - Xiao Yu Tian
- School of Biomedical Sciences, Heart and Vascular Institute, Faculty of Medicine, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, 999077, China
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Hamad NA, Eltayeb LB, Yassin HM. Implication of Low Plasma Arginine among Patients with Diabetic Foot Ulcer (DFU). Pak J Biol Sci 2024; 27:46-51. [PMID: 38413397 DOI: 10.3923/pjbs.2024.46.51] [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] [Indexed: 02/29/2024]
Abstract
<b>Background and Objective:</b> Diabetic foot ulcer (DFU) is a well-recognized vascular complication of uncontrolled diabetes mellitus. Unless immediate measures are taken some patients end up with amputation. The hallmarks of DFU are hyperglycemia, neuropathy, ischemia and infection (Andrew). Recent studies confirmed the role of low serum arginine in the development of foot ulcer in diabetic patients. The current study aimed to investigate the relationship between low serum magnesium and diabetic foot ulcer and to identify the incidence of low plasma arginine levels in diabetic patients with DFU in Sudan. <b>Materials and Methods:</b> A total of 120 subjects were recruited in this study and were divided into three groups, namely, diabetic with foot ulcer (group-I), diabetic without foot ulcer (group-II) and non-diabetic healthy subjects (group-III). These subjects were investigated for FBS, HbA1c and serum arginine. Data were analysed using SPSS (28th release). <b>Results:</b> Analysis of the results obtained showed significantly marked reduced plasma arginine levels in group I than the other two groups where mean plasma arginine level was 12.08, 49.25 and 94.1 micromole/L, respectively. There was no statistical difference between the duration of diabetes and DFU in diabetic patients with DFU and diabetic patients without DFU, as well as levels of HbA1c (p-value 0.457, 0.89) respectively. <b>Conclusion:</b> The low serum arginine levels were significantly associated with foot ulcers in diabetic patients and play an important role in the development of diabetic foot ulcers.
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Wang X, Yang Y, Xu L, Yu L, Zang S, Li X. Association between homocysteine level and length of stay in patients with lower extremity atherosclerotic disease: a retrospective cohort study. BMJ Open 2023; 13:e067677. [PMID: 37429696 DOI: 10.1136/bmjopen-2022-067677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/12/2023] Open
Abstract
OBJECTIVES Homocysteine (Hcy) level has been widely identified as a risk factor associated with adverse outcomes in patients with lower extremity atherosclerotic disease (LEAD). However, there are still some knowledge gaps in research on the association between Hcy level and downstream adverse outcomes, such as length of stay (LOS). This study aims to explore whether and to what extent Hcy level is associated with LOS in patients with LEAD. DESIGN Retrospective cohort study. SETTING China. PARTICIPANTS, PRIMARY AND SECONDARY OUTCOMES We conducted a retrospective cohort study of 748 patients from inpatients with LEAD between January 2014 and November 2021 at the First Hospital of China Medical University in China. We used a slew of generalised linear models to evaluate the association between Hcy level and LOS. RESULTS The patients' median age was 68 years and 631 (84.36%) were males. A dose-response curve with an inflection point at 22.63 µmol/L was observed between Hcy level and LOS after the adjustment of potential confounders. LOS increased before Hcy level reached the inflection point (β: 0.36; 95% CI: 0.18 to 0.55; p<0.001).ConclusionOur results show that an Hcy level <22.63 µmol/L is associated with increased LOS in patients with LEAD, which was independent of some other risk factors. This might shed light on how Hcy can be used as a key marker in the comprehensive management of patients with LEAD during hospitalisation.
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Affiliation(s)
- Xue Wang
- Department of Community Nursing, China Medical University, Shenyang, Liaoning, China
| | - Yu Yang
- Department of Vascular and Thyroid Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Li Xu
- Department of Community Nursing, China Medical University, Shenyang, Liaoning, China
| | - Ling Yu
- Phase I Clinical Trails Center, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Shuang Zang
- Department of Community Nursing, China Medical University, Shenyang, Liaoning, China
| | - Xuan Li
- Department of Vascular and Thyroid Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
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Janaszak-Jasiecka A, Płoska A, Wierońska JM, Dobrucki LW, Kalinowski L. Endothelial dysfunction due to eNOS uncoupling: molecular mechanisms as potential therapeutic targets. Cell Mol Biol Lett 2023; 28:21. [PMID: 36890458 PMCID: PMC9996905 DOI: 10.1186/s11658-023-00423-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 01/19/2023] [Indexed: 03/10/2023] Open
Abstract
Nitric oxide (NO) is one of the most important molecules released by endothelial cells, and its antiatherogenic properties support cardiovascular homeostasis. Diminished NO bioavailability is a common hallmark of endothelial dysfunction underlying the pathogenesis of the cardiovascular disease. Vascular NO is synthesized by endothelial nitric oxide synthase (eNOS) from the substrate L-arginine (L-Arg), with tetrahydrobiopterin (BH4) as an essential cofactor. Cardiovascular risk factors such as diabetes, dyslipidemia, hypertension, aging, or smoking increase vascular oxidative stress that strongly affects eNOS activity and leads to eNOS uncoupling. Uncoupled eNOS produces superoxide anion (O2-) instead of NO, thus becoming a source of harmful free radicals exacerbating the oxidative stress further. eNOS uncoupling is thought to be one of the major underlying causes of endothelial dysfunction observed in the pathogenesis of vascular diseases. Here, we discuss the main mechanisms of eNOS uncoupling, including oxidative depletion of the critical eNOS cofactor BH4, deficiency of eNOS substrate L-Arg, or accumulation of its analog asymmetrical dimethylarginine (ADMA), and eNOS S-glutathionylation. Moreover, potential therapeutic approaches that prevent eNOS uncoupling by improving cofactor availability, restoration of L-Arg/ADMA ratio, or modulation of eNOS S-glutathionylation are briefly outlined.
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Affiliation(s)
- Anna Janaszak-Jasiecka
- Department of Medical Laboratory Diagnostics - Fahrenheit Biobank BBMRI.Pl, Medical University of Gdansk, 7 Debinki Street, 80-211, Gdansk, Poland
| | - Agata Płoska
- Department of Medical Laboratory Diagnostics - Fahrenheit Biobank BBMRI.Pl, Medical University of Gdansk, 7 Debinki Street, 80-211, Gdansk, Poland
| | - Joanna M Wierońska
- Department of Neurobiology, Polish Academy of Sciences, Maj Institute of Pharmacology, 12 Smętna Street, 31-343, Kraków, Poland
| | - Lawrence W Dobrucki
- Department of Medical Laboratory Diagnostics - Fahrenheit Biobank BBMRI.Pl, Medical University of Gdansk, 7 Debinki Street, 80-211, Gdansk, Poland.,Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA.,Beckman Institute for Advanced Science and Technology, 405 N Mathews Ave, MC-251, Urbana, IL, 61801, USA.,Department of Biomedical and Translational Sciences, Carle-Illinois College of Medicine, Urbana, IL, USA
| | - Leszek Kalinowski
- Department of Medical Laboratory Diagnostics - Fahrenheit Biobank BBMRI.Pl, Medical University of Gdansk, 7 Debinki Street, 80-211, Gdansk, Poland. .,BioTechMed Centre, Department of Mechanics of Materials and Structures, Gdansk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233, Gdansk, Poland.
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Mazrouei S, Petry SF, Sharifpanah F, Javanmard SH, Kelishadi R, Schulze PC, Franz M, Jung C. Pathophysiological correlation of arginase-1 in development of type 2 diabetes from obesity in adolescents. Biochim Biophys Acta Gen Subj 2023; 1867:130263. [PMID: 36309295 DOI: 10.1016/j.bbagen.2022.130263] [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: 07/05/2022] [Revised: 09/22/2022] [Accepted: 10/16/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND There is great interest to understand causal pathophysiological correlation between obesity and diabetes mellitus (DM). Vascular endothelial dysfunction is crucially involved in pathogenesis of vascular complications in DM. Recently, increased arginase expression and activity have been described as underlying mechanisms of endothelial dysfunction in DM and vascular inflammation in obesity. By limiting L-arginine bioavailability to endothelial nitric oxide synthase (NOS III), nitric oxide production is potentially impaired. METHODS We investigated the impact of plasma from diabetic and obese adolescents on arginase and NOS III expression in cultured human endothelial cells (ECs). A total of 148 male adolescents participated in this study including 18 obese, 28 type 1-, 28 type 2-DM patients, and 74 age-matched healthy volunteers. RESULTS A concurrent increase in arginase-1 (1.97-fold) and decrease in NOS III expression (1.45-fold) was observed in ECs exposed to type 2 diabetic plasma compared to control subjects. ECs incubated with type 1 DM plasma had a diminished NOS III level without impact on arginase-1 expression. Urea-assay featured an increased arginase activity in treated ECs with type 1- or 2-DM plasma. Despite increased pro-inflammatory cytokines and chemokines in obese plasma, arginase-1 expression/activity did not change in treated ECs. However, NOS III expression was significantly reduced. Pearson analysis revealed positive correlation between arginase-1, but not NOS III, expression with FBS in ECs treated with type 2-DM plasma. CONCLUSIONS Our data demonstrate that increased arginase-1 expression/activity in ECs, as critical pathogenic factor is correlated with development of obesity-related type 2-DM and linked vascular disease.
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Affiliation(s)
- Safoura Mazrouei
- Department of Internal Medicine I, University Hospital Jena, Germany
| | - Sebastian Friedrich Petry
- Clinical Research Unit, Center of Internal Medicine, Medical Clinic and Polyclinic III, Justus Liebig University, Giessen, Germany
| | - Fatemeh Sharifpanah
- Dentistry Department, Faculty of Medicine, Philipps University of Marburg, Germany
| | | | - Roya Kelishadi
- Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Marcus Franz
- Department of Internal Medicine I, University Hospital Jena, Germany
| | - Christian Jung
- Department of Cardiology, Pulmonology and Vascular Medicine, University Hospital Düsseldorf, Germany.
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Sklyarova OY, Mahiiovych SR, Denysenko NV, Kobylinska LI, Sklyarov YY. The level of nitric oxide and arginase activity in patients with arterial hypertension and diabetes mellitus during COVID-19. UKRAINIAN BIOCHEMICAL JOURNAL 2022. [DOI: 10.15407/ubj94.05.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The aim of this study was to assess the level of nitric oxide production and arginase activity in patients with arterial hypertension and type II diabetes mellitus during infection with SARS-CoV-2. The study groups included patients with arterial hypertension, patients with arterial hypertension combined with a severe course of COVID-19 and patients who, in addition to arterial hypertension and COVID-19, were suffering from type II diabetes mellitus. The volunteers without any clinical signs of diseases and normal blood pressure formed the control group. It has been established that arterial hypertension, combined with COVID-19 occurs along with reduced L-arginine, nitric oxide, superoxide dismutase activity and increased arginase activity. At the same time, the presence of arterial hypertension in patients with diabetes and coronavirus disease is accompanied by a decline in the content of L-arginine and arginase activity. Our study’s results may help scientists find new pharmacological targets in the future treatment of coronavirus disease and comorbid disorders. Keywords: arginase, COVID-19, diabetes mellitus, hypertension, L-arginine, nitric oxide, superoxide dismutase
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Ren Y, Li Z, Li W, Fan X, Han F, Huang Y, Yu Y, Qian L, Xiong Y. Arginase: Biological and Therapeutic Implications in Diabetes Mellitus and Its Complications. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2419412. [PMID: 36338341 PMCID: PMC9629921 DOI: 10.1155/2022/2419412] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 10/18/2022] [Indexed: 09/21/2023]
Abstract
Arginase is a ubiquitous enzyme in the urea cycle (UC) that hydrolyzes L-arginine to urea and L-ornithine. Two mammalian arginase isoforms, arginase1 (ARG1) and arginase2 (ARG2), play a vital role in the regulation of β-cell functions, insulin resistance (IR), and vascular complications via modulating L-arginine metabolism, nitric oxide (NO) production, and inflammatory responses as well as oxidative stress. Basic and clinical studies reveal that abnormal alterations of arginase expression and activity are strongly associated with the onset and development of diabetes mellitus (DM) and its complications. As a result, targeting arginase may be a novel and promising approach for DM treatment. An increasing number of arginase inhibitors, including chemical and natural inhibitors, have been developed and shown to protect against the development of DM and its complications. In this review, we discuss the fundamental features of arginase. Next, the regulatory roles and underlying mechanisms of arginase in the pathogenesis and progression of DM and its complications are explored. Furthermore, we review the development and discuss the challenges of arginase inhibitors in treating DM and its related pathologies.
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Affiliation(s)
- Yuanyuan Ren
- Xi'an Key Laboratory of Cardiovascular and Cerebrovascular Diseases, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Faculty of Life Sciences and Medicine, Northwest University, Xi'an, Shaanxi, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Zhuozhuo Li
- Xi'an Key Laboratory of Cardiovascular and Cerebrovascular Diseases, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Faculty of Life Sciences and Medicine, Northwest University, Xi'an, Shaanxi, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Wenqing Li
- Xi'an Key Laboratory of Cardiovascular and Cerebrovascular Diseases, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Faculty of Life Sciences and Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Xiaobin Fan
- Department of Obstetrics and Gynecology, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Northwest University, Xi'an, Shaanxi, China
| | - Feifei Han
- Department of Endocrinology, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Northwest University, Xi'an, Shaanxi, China
| | - Yaoyao Huang
- Xi'an Key Laboratory of Cardiovascular and Cerebrovascular Diseases, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Faculty of Life Sciences and Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Yi Yu
- Xi'an Key Laboratory of Cardiovascular and Cerebrovascular Diseases, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Faculty of Life Sciences and Medicine, Northwest University, Xi'an, Shaanxi, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Lu Qian
- Xi'an Key Laboratory of Cardiovascular and Cerebrovascular Diseases, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Faculty of Life Sciences and Medicine, Northwest University, Xi'an, Shaanxi, China
- Department of Obstetrics and Gynecology, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Northwest University, Xi'an, Shaanxi, China
| | - Yuyan Xiong
- Xi'an Key Laboratory of Cardiovascular and Cerebrovascular Diseases, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Faculty of Life Sciences and Medicine, Northwest University, Xi'an, Shaanxi, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Northwest University, Xi'an, Shaanxi, China
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Orea-Tejada A, Sánchez-Moreno C, Aztatzi-Aguilar OG, Sierra-Vargas MP, González-Islas D, Debray-García Y, Ortega-Romero MS, Keirns-Davis C, Cornejo-Cornejo L, Aguilar-Meza J. Plasma Endothelial and Oxidative Stress Biomarkers Associated with Late Mortality in Hospitalized COVID-19 Patients. J Clin Med 2022; 11:jcm11143950. [PMID: 35887714 PMCID: PMC9319197 DOI: 10.3390/jcm11143950] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/21/2022] [Accepted: 06/30/2022] [Indexed: 11/17/2022] Open
Abstract
Background: Coronavirus infectious disease 2019 (COVID-19) is a significant public health problem worldwide. COVID-19 increases the risk of non-pulmonary complications such as acute myocardial injury, renal failure, thromboembolic events, and multi-organic damage. Several studies have documented increased inflammation molecules, endothelial dysfunction biomarkers, and dysregulation of coagulation factors in COVID-19 patients. In addition, endothelium dysfunction is exacerbated by the oxidative stress (OxS) promoted by endocrine and cardiovascular molecules. Our objective was to evaluate whether endothelial and OxS biomarkers were associated with mortality in hospitalized COVID-19 patients. Methods: A prospective cohort study was performed. Patients ≥18 years old with confirmed COVID-19 that required hospitalization were included in a prospective cohort study. Endothelium and oxidative stress biomarkers were collected between 3 and 5 days after admission. Results: A total of 165 patients were evaluated; 56 patients succumbed. The median follow-up was 71 days [23–129]. Regarding endothelial dysfunction and OxS biomarkers, patients who did not survive had higher levels of nitrates (0.4564 [0.1817–0.6761] vs. 0.2817 [0.0517–0.5], p = 0.014), total nitrates (0.0507 [−0.0342–0.1809] vs. −0.0041 [−0.0887–0.0909], p = 0.016), sE-Selectin (1.095 [0.86–1.495] vs. 0.94 [0.71–1.19], p = 0.004), and malondialdehyde (MDA) (0.50 [0.26–0.72] vs. 0.36 [0.23–0.52], p = 0.010) compared to patients who survived. Endothelial and OxS biomarkers independently associated with mortality were sE-selectin (HR:2.54, CI95%; from 1.11 to 5.81, p = 0.027), nitrates (HR:4.92, CI95%; from 1.23 to 19.63, p = 0.024), and MDA (HR: 3.05, CI95%; from 1.14 to 8.15, p = 0.025). Conclusions: Endothelial dysfunction (sE-selectin and nitrates) and OxS (MDA) are independent indicators of a worse prognosis in COVID-19 patients requiring hospitalization.
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Affiliation(s)
- Arturo Orea-Tejada
- Heart Failure and Respiratory Distress Clinic, Cardiology Service, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico; (A.O.-T.); (C.S.-M.); (C.K.-D.); (L.C.-C.); (J.A.-M.)
| | - Carlos Sánchez-Moreno
- Heart Failure and Respiratory Distress Clinic, Cardiology Service, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico; (A.O.-T.); (C.S.-M.); (C.K.-D.); (L.C.-C.); (J.A.-M.)
| | - Octavio Gamaliel Aztatzi-Aguilar
- Department of Toxicology and Environmental Medicine Research, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico; (O.G.A.-A.); (Y.D.-G.); (M.S.O.-R.)
| | - Martha Patricia Sierra-Vargas
- Subdivision of Clinical Research, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico;
| | - Dulce González-Islas
- Heart Failure and Respiratory Distress Clinic, Cardiology Service, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico; (A.O.-T.); (C.S.-M.); (C.K.-D.); (L.C.-C.); (J.A.-M.)
- Correspondence: ; Tel.: +52-555487-1700 (ext. 5506)
| | - Yazmín Debray-García
- Department of Toxicology and Environmental Medicine Research, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico; (O.G.A.-A.); (Y.D.-G.); (M.S.O.-R.)
| | - Manolo Sibael Ortega-Romero
- Department of Toxicology and Environmental Medicine Research, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico; (O.G.A.-A.); (Y.D.-G.); (M.S.O.-R.)
| | - Candace Keirns-Davis
- Heart Failure and Respiratory Distress Clinic, Cardiology Service, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico; (A.O.-T.); (C.S.-M.); (C.K.-D.); (L.C.-C.); (J.A.-M.)
| | - Laura Cornejo-Cornejo
- Heart Failure and Respiratory Distress Clinic, Cardiology Service, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico; (A.O.-T.); (C.S.-M.); (C.K.-D.); (L.C.-C.); (J.A.-M.)
| | - Jorge Aguilar-Meza
- Heart Failure and Respiratory Distress Clinic, Cardiology Service, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México 14080, Mexico; (A.O.-T.); (C.S.-M.); (C.K.-D.); (L.C.-C.); (J.A.-M.)
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Javrushyan H, Nadiryan E, Grigoryan A, Avtandilyan N, Maloyan A. Antihyperglycemic activity of L-norvaline and L-arginine in high-fat diet and streptozotocin-treated male rats. Exp Mol Pathol 2022; 126:104763. [DOI: 10.1016/j.yexmp.2022.104763] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 03/05/2022] [Accepted: 04/04/2022] [Indexed: 01/04/2023]
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Li X, Zhao W, Peng L, Li Y, Nie S, Yu H, Qin Y, Zhang H. Elevated serum extracellular vesicle arginase 1 in type 2 diabetes mellitus: a cross-sectional study in middle-aged and elderly population. BMC Endocr Disord 2022; 22:62. [PMID: 35277141 PMCID: PMC8917686 DOI: 10.1186/s12902-022-00982-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 03/01/2022] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Serum extracellular vesicle (EV)-derived arginase 1 (ARG 1) plays a critical role in diabetes-associated endothelial dysfunction. This study was performed to determine the levels of serum EV-derived ARG 1 in T2DM and non-T2DM participants and to examine the association of serum EV-derived ARG 1 with T2DM incidence. METHODS We performed a cross-sectional study in 103 Chinese, including 73 T2DM patients and 30 non-T2DM. Serum EVs were prepared via ultracentrifugation. Serum EV-derived ARG 1 levels were measured by enzyme-linked immunosorbent assay. The correlations between serum EV-derived ARG 1 and clinical variables were analyzed. The association of serum EV-derived ARG 1 levels with T2DM was determined by multivariate logistic regression analysis. Interaction subgroup analysis was used to evaluate the interaction of the relevant baselines on the association between serum EV-derived ARG 1 levels and T2DM. RESULTS Serum EV-derived ARG 1 levels were significantly higher in T2DM patients compared with non-T2DM patients (p < 0.001). Correlation analysis revealed that serum EV-derived ARG 1 levels were positively associated with fasting plasma glucose (FPG) (r = 0.316, p = 0.001) and glycated hemoglobin (HbA1c) (r = 0.322, p = 0.001). Serum EV-derived ARG 1 levels were significantly associated with T2DM, especially in the subgroup of T2DM for more than 10 years (OR 1.651, 95% CI = 1.066-2.557; P value, 0.025), after adjusting for confounding factors. CONCLUSIONS Elevated concentration of serum EV-derived ARG 1 is closely associated with T2DM.
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Affiliation(s)
- Xinwei Li
- Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, No. 2 Anzhen Road, Beijing, 100029, China
| | - Wen Zhao
- Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, No. 2 Anzhen Road, Beijing, 100029, China
| | - Lu Peng
- Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, No. 2 Anzhen Road, Beijing, 100029, China
| | - Yu Li
- Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, No. 2 Anzhen Road, Beijing, 100029, China
| | - Shaoping Nie
- Department of Emergency, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Huahui Yu
- Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, No. 2 Anzhen Road, Beijing, 100029, China
| | - Yanwen Qin
- Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, No. 2 Anzhen Road, Beijing, 100029, China
| | - Huina Zhang
- Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, No. 2 Anzhen Road, Beijing, 100029, China.
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Alchujyan N, Hovhannisyan M, Movsesyan N, Melkonyan A, Shaboyan V, Aghajanova Y, Minasyan G, Kevorkian G. Sexual Dimorphism in Alternative Metabolic Pathways of L-Arginine in Circulating Leukocytes in Young People with Type 1 Diabetes Mellitus. Endocr Res 2021; 46:149-159. [PMID: 33944639 DOI: 10.1080/07435800.2021.1920608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Background: Sexual dimorphism in specific biochemical pathways and immune response, underlies the heterogeneity of type 1 diabetes mellitus (T1DM) and affects the outcome of immunotherapy. Arginase and nitric oxide (NO) synthase (NOS) metabolize L-arginine and play opposite roles in the immune response and autoimmune processes.Objective: We hypothesized that the above mentioned enzymes can be involved in sex and age differences in T1DM and its treatment. Based on this, the enzymes have been studied in peripheral blood leukocytes (PBL) and plasma of young people with T1DM.Methods: Patients were recruited from Muratsan University Hospital (Yerevan, Armenia) and were divided into groups: girls and boys by age, from children to adolescents and adolescents/young adults with recent-onset T1DM (RO-T1DM) (0.1-1 years) and long-term T1DM (LT-T1DM) (1.6-9.9 years). Arginase activity was assessed by L-arginine-dependent production of L-ornithine, and the NOS activity was assessed by NO/nitrite production. Glycemic control was assessed using hemoglobin A1c test. Plasma HbA1c concentration below 7.5% (median (range) 6.7 [6.2-7.5]) was taken as good glycemic control (+) and above 7.5% (median (range) 10.5 [7.6-13]) as poor glycemic control (-). Healthy volunteers with corresponding sex and age were used as the control group.Results: All the patients with RO-T1DM, with poor glycemic control, had increased arginase activity in the cytoplasm (cARG) and mitochondria (mARG) in PBL. In girls with RO-T1DM, with good glycemic control, the subcellular arginase activity decreased, and normalized in LT-T1DM, regardless of age. In contrast, boys from both age groups showed high arginase activity, regardless of glycemic control and duration of T1DM along with insulin therapy. At the same time, a significant decrease in the subcellular production of bioavailable NO was observed in children/preadolescents, regardless of glycemic control and duration of diabetes. In adolescents/young adult boys with RO-T1DM, with (-), the subcellular production of NO decreased significantly, and with LT-T1DM, the decrease was attenuated, but even with (+) remained lower than in healthy people. In contrast, in the group of same age girls with RO-T1DM, NO production increased above normal in both cellular compartments, while with LT-T1DM it normalized in the cytoplasm. In adolescents/young adults with LT-T1DM, NO production in PBL mitochondria decreased by almost a half, regardless of glycemic control and gender. Changes in the metabolic pathways of L-arginine in plasma differed and were less substantial than in the PBL cellular compartments in T1DM.Conclusions: Glycemic status and duration of T1DM along with insulin therapy affect the activity of arginase and NOS-dependent production of bioavailable NO in the cytoplasm and mitochondria in PBL of young patients with T1DM, depending on sex and age. Arginase and NOS can directly affect the processes occurring in the pancreas and the outcome of therapy through infiltrated leukocytes. Obtained data can be useful for understanding the heterogeneity of T1DM and using it to develop available criteria for assessing the severity and treatment of autoimmune diabetes.
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Affiliation(s)
- Nina Alchujyan
- Department of Pathological Biochemistry, Institute of Biochemistryafter H. Buniatyan, NAS RA, Yerevan, Armenia
| | - Margarita Hovhannisyan
- Department of Pathological Biochemistry, Institute of Biochemistryafter H. Buniatyan, NAS RA, Yerevan, Armenia
| | - Nina Movsesyan
- Department of Pathological Biochemistry, Institute of Biochemistryafter H. Buniatyan, NAS RA, Yerevan, Armenia
| | - Arthur Melkonyan
- Department of Endocrinology, Yerevan State Medical University after Mkhitar Heratsi, Yerevan, Armenia
| | - Vanuhi Shaboyan
- Department of Endocrinology, Yerevan State Medical University after Mkhitar Heratsi, Yerevan, Armenia
| | - Yelena Aghajanova
- Department of Endocrinology, Yerevan State Medical University after Mkhitar Heratsi, Yerevan, Armenia
| | - Grigory Minasyan
- Department of Organic Chemistry, Scientific Technological Center of Organic and Pharmaceutical Chemistry, NAS RA, Yerevan, Armenia
| | - Guevork Kevorkian
- Department of Pathological Biochemistry, Institute of Biochemistryafter H. Buniatyan, NAS RA, Yerevan, Armenia
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A Cross-Talk between the Erythrocyte L-Arginine/ADMA/Nitric Oxide Metabolic Pathway and the Endothelial Function in Subjects with Type 2 Diabetes Mellitus. Nutrients 2021; 13:nu13072306. [PMID: 34371816 PMCID: PMC8308357 DOI: 10.3390/nu13072306] [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: 05/31/2021] [Revised: 07/02/2021] [Accepted: 07/02/2021] [Indexed: 11/16/2022] Open
Abstract
(1) Background: Type-2-diabetes-mellitus (DM) is one the most important cardiovascular-risk-factors. Among many molecules regulating vascular tone, nitric oxide appears to be the most pivotal. Although micro- and macrovascular-abnormalities are extensively studied, the alterations in the nitric-oxide-metabolic-pathway require further investigations. Additionally, the role of erythrocytes in the vascular tone regulation has not been extensively explored. The aim of this study was to evaluate the endothelial-function and the nitric-oxide-metabolic-pathway in erythrocytes and plasma of diabetic individuals. (2) Methods: A total of 80 subjects were enrolled in this cross-sectional study, including 35 patients with DM and 45 healthy individuals. The endothelial-function was evaluated in response to different stimuli. (3) Results: In the DM group, decreased Arginine and citrulline concentrations in the plasma compartment with reduced Arginine/ADMA and ADMA/DMA-ratios were observed. Preserved nitric-oxide-metabolism in erythrocytes with reduced citrulline level and significantly higher NO-bioavailability were noted. Significant endothelial dysfunction in DM individuals was proved in response to the heat-stimulus. (4) Conclusions: DM patients at an early stage of disease show significant differences in the nitric-oxide-metabolic-pathway, which are more pronounced in the plasma compartment. Erythrocytes constitute a buffer with a higher nitric-oxide-bioavailability, less affected by the DM-related deviations. Patients at an early-stage of DM reveal endothelial-dysfunction, which could be diagnosed earlier using the laser-Doppler-flowmetry.
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Mirmiran P, Bahadoran Z, Gaeini Z, Azizi F. Habitual intake of dietary L-arginine in relation to risk of type 2 diabetes: a prospective study. BMC Endocr Disord 2021; 21:113. [PMID: 34059041 PMCID: PMC8165802 DOI: 10.1186/s12902-021-00774-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 05/20/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND There are insufficient data in case of the potential association of habitual dietary L-arginine and the risk of type 2 diabetes mellitus (T2DM) incidence. Here we aimed to examine the potential effect of dietary L-arginine on the T2DM incidence. METHODS For this cohort study, 2139 T2DM-free adults from the participations of Tehran Lipid and Glucose Study (TLGS) were recruited. Follow up period was approximately 5.8 years. Daily intakes of protein and L-arginine were estimated using a validated food frequency questionnaire with 168 food item. Hazard Ratios (HRs) and 95% confidence intervals (CIs), adjusted for sex, age, smoking, diabetes risk score, physical activity levels, and total energy intakes as well as carbohydrate, fiber, fats and lysine, were calculated for L-arginine as both absolute intake and its ratio from total protein. RESULTS Mean (±SD) age of the participants was 38.9 (±12.6) years and 54.6% were women. Mean (±SD) intake of dietary protein and L-arginine was 77.2 (±22.4) and 4.05 (±1.50) g/d, respectively. An increased risk of T2DM (HR = 2.71, 95% CI = 1.20-6.09) was observed among participants with higher intakes of L-arginine (median intake of > 5.4 vs. 2.69 g/d). Total protein intake and the ratio of L-arginine to total protein intakes were not related to incidence of T2DM in both crude and adjusted models. CONCLUSION We found that higher dietary L-arginine levels may increase risk of T2DM and it may have an independent role in T2DM development.
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Affiliation(s)
- Parvin Mirmiran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4763, No. 24, Sahid-Erabi St, Yemen St, Chamran Exp, Tehran, Iran
| | - Zahra Bahadoran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4763, No. 24, Sahid-Erabi St, Yemen St, Chamran Exp, Tehran, Iran.
| | - Zahra Gaeini
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4763, No. 24, Sahid-Erabi St, Yemen St, Chamran Exp, Tehran, Iran
| | - Fereidoun Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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15
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Ogino N, Takahashi H, Nagaoka K, Harada Y, Kubo M, Miyagawa K, Kusanaga M, Oe S, Honma Y, Harada M, Eitoku M, Suganuma N, Ogino K. Possible contribution of hepatocyte secretion to the elevation of plasma exosomal arginase-1 in high-fat diet-fed mice. Life Sci 2021; 278:119588. [PMID: 33961860 DOI: 10.1016/j.lfs.2021.119588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 04/16/2021] [Accepted: 04/29/2021] [Indexed: 10/21/2022]
Abstract
AIMS The elevation of arginase in vascular tissues decreases nitric oxide production, which is considered as an early step of atherosclerosis in obesity. Previously, we found that arginase-1, one of arginase isozymes, was elevated in the blood plasma of obese adults. The purpose of this study is to elucidate the mechanism by which obesity increases arginase-1 levels in the blood. MAIN METHODS C57/BL6J male mice fed a high-fat diet (HFD) for 12 weeks were analyzed for factors related to nitric oxide/arginine metabolism and plasma exosomes. To explore the arginase secretory organs, the protein expression levels were analyzed in several organs. To further investigate the relationship between exosomal arginase-1 in plasma, blood glucose levels and arginase-1 in the liver, HepG2 (the human hepatoma cell line) was analyzed after treatment with high glucose. KEY FINDINGS The increase in arginase activity in the plasma of HFD-fed mice was positively corelated with blood glucose levels and was accompanied by an increase in exosomal arginase-1 levels. Among the organs that highly express arginase, the liver of HFD-fed mice showed a significant increase in arginase-1. The expression of arginase-1 in exosomes and total lysates of HepG2 cells were increased by high glucose exposure. SIGNIFICANCE Increased exosomal arginase-1 in plasma contributes to increased plasma arginase activity in obesity. The liver is a candidate organ for the secretion of exosomal arginase-1 into plasma, and the p38 pathway induced by high glucose levels may be involved.
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Affiliation(s)
- Noriyoshi Ogino
- Department of Environmental Medicine, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, Kochi 783-8505, Japan; Third Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Hidekazu Takahashi
- Division of Veterinary Medicine, Department of Public Health, Okayama University of Science, Imabari, Ehime 794-8555, Japan
| | - Kenjiro Nagaoka
- Laboratory of Hygienic Chemistry, College of Pharmaceutical Sciences, Matsuyama University, Matsuyama, Ehime 790-8578, Japan
| | - Yuki Harada
- Department of Biofunction Imaging Analysis, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama 7008530, Japan
| | - Masayuki Kubo
- Department of Environmental Medicine, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, Kochi 783-8505, Japan
| | - Koichiro Miyagawa
- Third Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Masashi Kusanaga
- Third Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Shinji Oe
- Third Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Yuichi Honma
- Third Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Masaru Harada
- Third Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Masamitsu Eitoku
- Department of Environmental Medicine, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, Kochi 783-8505, Japan
| | - Narufumi Suganuma
- Department of Environmental Medicine, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, Kochi 783-8505, Japan
| | - Keiki Ogino
- Department of Environmental Medicine, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, Kochi 783-8505, Japan.
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16
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Polis B, Karasik D, Samson AO. Alzheimer's disease as a chronic maladaptive polyamine stress response. Aging (Albany NY) 2021; 13:10770-10795. [PMID: 33811757 PMCID: PMC8064158 DOI: 10.18632/aging.202928] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 03/27/2021] [Indexed: 12/21/2022]
Abstract
Polyamines are nitrogen-rich polycationic ubiquitous bioactive molecules with diverse evolutionary-conserved functions. Their activity interferes with numerous genes' expression resulting in cell proliferation and signaling modulation. The intracellular levels of polyamines are precisely controlled by an evolutionary-conserved machinery. Their transient synthesis is induced by heat stress, radiation, and other traumatic stimuli in a process termed the polyamine stress response (PSR). Notably, polyamine levels decline gradually with age; and external supplementation improves lifespan in model organisms. This corresponds to cytoprotective and reactive oxygen species scavenging properties of polyamines. Paradoxically, age-associated neurodegenerative disorders are characterized by upsurge in polyamines levels, indicating polyamine pleiotropic, adaptive, and pathogenic roles. Specifically, arginase overactivation and arginine brain deprivation have been shown to play an important role in Alzheimer's disease (AD) pathogenesis. Here, we assert that a universal short-term PSR associated with acute stimuli is beneficial for survival. However, it becomes detrimental and maladaptive following chronic noxious stimuli, especially in an aging organism. Furthermore, we regard cellular senescence as an adaptive response to stress and suggest that PSR plays a central role in age-related neurodegenerative diseases' pathogenesis. Our perspective on AD proposes an inclusive reassessment of the causal relationships between the classical hallmarks and clinical manifestation. Consequently, we offer a novel treatment strategy predicated upon this view and suggest fine-tuning of arginase activity with natural inhibitors to preclude or halt the development of AD-related dementia.
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Affiliation(s)
- Baruh Polis
- Drug Discovery Laboratory, The Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
| | - David Karasik
- Hebrew SeniorLife, Hinda and Arthur Marcus Institute for Aging Research, Boston, MA 02131, USA
- Musculoskeletal Genetics Laboratory, The Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
| | - Abraham O. Samson
- Drug Discovery Laboratory, The Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
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Delarocque J, Frers F, Huber K, Jung K, Feige K, Warnken T. Metabolic impact of weight variations in Icelandic horses. PeerJ 2021; 9:e10764. [PMID: 33575132 PMCID: PMC7847705 DOI: 10.7717/peerj.10764] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 12/22/2020] [Indexed: 12/27/2022] Open
Abstract
Background Insulin dysregulation (ID) is an equine endocrine disorder, which is often accompanied by obesity and various metabolic perturbations. The relationship between weight variations and fluctuations of the insulin response to oral glucose tests (OGT) as well as the metabolic impact of ID have been described previously. The present study seeks to characterize the concomitant metabolic impact of variations in the insulin response and bodyweight during repeated OGTs using a metabolomics approach. Methods Nineteen Icelandic horses were subjected to five OGTs over one year and their bodyweight, insulin and metabolic response were monitored. Analysis of metabolite concentrations depending on time (during the OGT), relative bodyweight (rWeight; defined as the bodyweight at one OGT divided by the mean bodyweight across all OGTs) and relative insulin response (rAUCins; defined accordingly from the area under the insulin curve during OGT) was performed using linear models. Additionally, the pathways significantly associated with time, rWeight and rAUCins were identified by rotation set testing. Results The results suggested that weight gain and worsening of ID activate distinct metabolic pathways. The metabolic profile associated with weight gain indicated an increased activation of arginase, while the pathways associated with time and rAUCins were consistent with the expected effect of glucose and insulin, respectively. Overall, more metabolites were significantly associated with rWeight than with rAUCins.
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Affiliation(s)
- Julien Delarocque
- Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Florian Frers
- Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Korinna Huber
- Institute of Animal Science, Faculty of Agricultural Sciences, Universität Hohenheim, Stuttgart, Germany
| | - Klaus Jung
- Institute for Animal Breeding and Genetics, Tierärztliche Hochschule Hannover, Hannover, Germany
| | - Karsten Feige
- Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Tobias Warnken
- Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
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Poor glycemic control impairs the cardioprotective effects of red blood cells on myocardial ischemia/reperfusion injury. Nitric Oxide 2020; 97:1-10. [DOI: 10.1016/j.niox.2020.01.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 12/29/2019] [Accepted: 01/20/2020] [Indexed: 11/17/2022]
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Di Pino A, DeFronzo RA. Insulin Resistance and Atherosclerosis: Implications for Insulin-Sensitizing Agents. Endocr Rev 2019; 40:1447-1467. [PMID: 31050706 PMCID: PMC7445419 DOI: 10.1210/er.2018-00141] [Citation(s) in RCA: 180] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 10/18/2018] [Indexed: 12/12/2022]
Abstract
Patients with type 2 diabetes mellitus (T2DM) are at high risk for macrovascular complications, which represent the major cause of mortality. Despite effective treatment of established cardiovascular (CV) risk factors (dyslipidemia, hypertension, procoagulant state), there remains a significant amount of unexplained CV risk. Insulin resistance is associated with a cluster of cardiometabolic risk factors known collectively as the insulin resistance (metabolic) syndrome (IRS). Considerable evidence, reviewed herein, suggests that insulin resistance and the IRS contribute to this unexplained CV risk in patients with T2DM. Accordingly, CV outcome trials with pioglitazone have demonstrated that this insulin-sensitizing thiazolidinedione reduces CV events in high-risk patients with T2DM. In this review the roles of insulin resistance and the IRS in the development of atherosclerotic CV disease and the impact of the insulin-sensitizing agents and of other antihyperglycemic medications on CV outcomes are discussed.
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Affiliation(s)
- Antonino Di Pino
- Diabetes Division, University of Texas Health Science Center and Texas Diabetes Institute, San Antonio, Texas
| | - Ralph A DeFronzo
- Diabetes Division, University of Texas Health Science Center and Texas Diabetes Institute, San Antonio, Texas
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20
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Azizi S, Mahdavi R, Vaghef-Mehrabany E, Maleki V, Karamzad N, Ebrahimi-Mameghani M. Potential roles of Citrulline and watermelon extract on metabolic and inflammatory variables in diabetes mellitus, current evidence and future directions: A systematic review. Clin Exp Pharmacol Physiol 2019; 47:187-198. [PMID: 31612510 DOI: 10.1111/1440-1681.13190] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 09/24/2019] [Accepted: 10/12/2019] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Diabetes mellitus is a prevalent endocrine disorder worldwide. Citrulline is an α-amino acid, which is abundant in watermelon, and a precursor of arginine and nitric oxide. Decreased bioavailability of nitric oxide is associated with insulin resistance. The present systematic review focused on the existing evidence of citrulline and watermelon extract effects on metabolic and inflammatory parameters in diabetes mellitus. METHODS A systematic search of the databases PubMed, Scopus, EMBASE, ProQuest and Google Scholar was conducted for relevant papers published from inception until October 2018. All clinical trials, animal and in vitro studies published in the English language that assessed the role of citrulline and watermelon extract on diabetes mellitus, were eligible. Studies providing inadequate information were excluded. RESULTS Out of 1262 articles we found, only eight articles met the inclusion criteria for analysis. In three studies an increase in the synthesis of nitric oxide was reported with citrulline and watermelon extract supplementation. Four studies showed a significant reduction in blood glucose after supplementation with watermelon extract, and two studies reported a decrease in a number of inflammatory biomarkers following citrulline supplementation. Although citrulline intake caused a significant reduction in HOMA-IR in one study, inconsistent results were revealed on the effects of citrulline and watermelon extract on insulin levels and lipid profile. CONCLUSION Citrulline and watermelon extract could improve nitric oxide synthesis, glycaemic status and inflammation in diabetes mellitus. However, further studies are required to shed light on the underlying mechanisms.
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Affiliation(s)
- Samaneh Azizi
- Department of Biochemistry and Dietetics, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Mahdavi
- Nutrition Research Center, Department of Biochemistry and Diet Therapy, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elnaz Vaghef-Mehrabany
- Department of Biochemistry and Dietetics, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Maleki
- Department of Biochemistry and Dietetics, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nahid Karamzad
- Department of Biochemistry and Dietetics, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrangiz Ebrahimi-Mameghani
- Nutrition Research Center, Department of Biochemistry and Diet Therapy, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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Mahdi A, Kövamees O, Pernow J. Improvement in endothelial function in cardiovascular disease - Is arginase the target? Int J Cardiol 2019; 301:207-214. [PMID: 31785959 DOI: 10.1016/j.ijcard.2019.11.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/26/2019] [Accepted: 11/04/2019] [Indexed: 01/30/2023]
Abstract
Endothelial dysfunction represents an early change in the vascular wall in areas prone to atherosclerotic plaque formation and is present in association with several risk factors for cardiovascular disease. The underlying mechanisms behind endothelial dysfunction are multifactorial and complex. Arginase has emerged as a key player in the regulation of endothelial integrity by the ability of reciprocally inhibits nitric oxide formation and promoting oxidative stress. A chain of evidence suggest that arginase is implicated in the pathogenesis underlying endothelial dysfunction induced by several cardiovascular risk factors and established cardiovascular disease including diabetes, hypercholesteremia, ischemia/reperfusion, atherosclerosis, obesity, ageing and hypertension. Recent data has unveiled a key role of arginase as one of the key mechanisms underlying endothelial dysfunction in diabetes and may serve as a potential therapeutic target in previously overlooked compartments including red blood cells. The current review is devoted to discuss arginase as a key mediator in endothelial dysfunction and the potential for therapeutic possibilities to target this enzyme in various diseases, especially type 2 diabetes, atherosclerosis and ischemia/reperfusion with focus on translational and clinical aspects. Moreover, approaches of how and in which patient group(s) arginase may be targeted in future clinical trials are discussed.
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Affiliation(s)
- Ali Mahdi
- Division of Cardiology, Department of Medicine, Division of Cardiology, Karolinska Institutet, Stockholm, Sweden
| | - Oskar Kövamees
- Division of Cardiology, Department of Medicine, Division of Cardiology, Karolinska Institutet, Stockholm, Sweden; Heart and Vascular Division, Karolinska University Hospital, Stockholm, Sweden
| | - John Pernow
- Division of Cardiology, Department of Medicine, Division of Cardiology, Karolinska Institutet, Stockholm, Sweden; Heart and Vascular Division, Karolinska University Hospital, Stockholm, Sweden.
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22
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Chen S, Akter S, Kuwahara K, Matsushita Y, Nakagawa T, Konishi M, Honda T, Yamamoto S, Hayashi T, Noda M, Mizoue T. Serum amino acid profiles and risk of type 2 diabetes among Japanese adults in the Hitachi Health Study. Sci Rep 2019; 9:7010. [PMID: 31065046 PMCID: PMC6504928 DOI: 10.1038/s41598-019-43431-z] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 04/24/2019] [Indexed: 12/25/2022] Open
Abstract
Amino acids have emerged as novel biomarkers for predicting type 2 diabetes (T2D), but the epidemiologic data linking circulating amino acid profiles with T2D are sparse in Asian populations. We conducted a nested case-control study within a cohort of 4,754 nondiabetic Japanese employees who attended a comprehensive health checkup in 2008-2009 and agreed to provide blood samples. During a 5-year follow-up, incident T2D cases were ascertained based on plasma glucose, glycated hemoglobin, and self-report. Two controls matched to each case on sex, age, and the date of serum sampling were randomly selected by using density sampling, resulting in 284 cases and 560 controls with amino acid measures. High concentrations of valine, leucine, isoleucine, phenylalanine, tyrosine, alanine, glutamate, ornithine, and lysine were associated with an increased risk of incident T2D, in a linear manner. High glutamine concentrations were associated with a decreased risk of incident T2D. Further adjustment for the homeostasis model assessment of insulin resistance attenuated these associations. Overall, these amino acids may be novel useful biomarkers in the identification of people at risk of T2D before overt symptoms. Insulin resistance may account for or mediate the relationship between these amino acids and risk of incident T2D.
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Affiliation(s)
- Sanmei Chen
- Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan.
| | - Shamima Akter
- Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan
| | - Keisuke Kuwahara
- Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan.,Teikyo University Graduate School of Public Health, Tokyo, Japan
| | - Yumi Matsushita
- Department of Clinical Research, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan
| | - Tohru Nakagawa
- Hitachi Health Care Center, Hitachi, Ltd., Ibaraki, Japan
| | - Maki Konishi
- Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan
| | - Toru Honda
- Hitachi Health Care Center, Hitachi, Ltd., Ibaraki, Japan
| | | | | | - Mitsuhiko Noda
- Department of Endocrinology and Diabetes, Saitama Medical University, Saitama, Japan
| | - Tetsuya Mizoue
- Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan
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23
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Hussein JS, Rasheed W, Ramzy T, Nabeeh M, Harvy M, El-Toukhy S, Ali O, Raafat J, El-Naggar M. Synthesis of docosahexaenoic acid–loaded silver nanoparticles for improving endothelial dysfunctions in experimental diabetes. Hum Exp Toxicol 2019; 38:962-973. [DOI: 10.1177/0960327119843586] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Objective: To investigate the ability of docosahexaenoic acid (DHA)-loaded silver nanoparticles (AgNPs) in facilitating the incorporation of DHA in the cell membrane, improve cell membrane structure, and attenuate endothelial dysfunction in experimental diabetes. Methods: DHA/AgNPs were prepared using a nanoprecipitation technique. Fifty male albino rats were used in this study; 10 of them were served as the control group and 40, as the experimental groups, were injected with streptozotocin. Then, the experimental groups were subdivided into diabetic, diabetic treated with DHA, diabetic treated with AgNPs, and diabetic treated with DHA/AgNPs groups. Results: DHA/AgNPs have small spherical size as proved from ultraviolet–visible spectroscopy, transmission electron microscope, dynamic light scattering, and scanning electron microscope techniques. Cell membrane cholesterol and triglycerides showed a significant elevation in the diabetic group compared to the control, but treatment with DHA and DHA/AgNPs caused a significant reduction in both. Treatment with AgNPs and DHA/AgNPs caused a significant improvement in asymmetric dimethylarginine and nitric oxide levels compared to the diabetic group. Cell membrane fatty acids showed that omega-6 polyunsaturated fatty acids (PUFAs) were significantly elevated, while omega-3 PUFA were significantly reduced in the diabetic group compared to the control. There is a significant improvement in the levels of fatty acids in all groups after treatment with DHA, silver, or DHA/AgNPs. Conclusion: DHA/AgNPs are potent agents for the improvement of diabetic complication and endothelial dysfunction in experimental diabetes.
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Affiliation(s)
- JS Hussein
- Medical Biochemistry Department, National Research Centre, Doki, Giza, Egypt
| | - W Rasheed
- Medical Biochemistry Department, National Research Centre, Doki, Giza, Egypt
| | - T Ramzy
- Medical Biochemistry Department, National Research Centre, Doki, Giza, Egypt
| | - M Nabeeh
- Medical Biochemistry Department, National Research Centre, Doki, Giza, Egypt
| | - M Harvy
- Medical Biochemistry Department, National Research Centre, Doki, Giza, Egypt
| | - S El-Toukhy
- Medical Biochemistry Department, National Research Centre, Doki, Giza, Egypt
| | - O Ali
- Medical Biochemistry Department, National Research Centre, Doki, Giza, Egypt
| | - J Raafat
- Medical Biochemistry Department, National Research Centre, Doki, Giza, Egypt
| | - M El-Naggar
- Textile Research Division, National Research Centre, Cairo, Egypt
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Adamska-Patruno E, Godzien J, Ciborowski M, Samczuk P, Bauer W, Siewko K, Gorska M, Barbas C, Kretowski A. The Type 2 Diabetes Susceptibility PROX1 Gene Variants Are Associated with Postprandial Plasma Metabolites Profile in Non-Diabetic Men. Nutrients 2019; 11:nu11040882. [PMID: 31010169 PMCID: PMC6520869 DOI: 10.3390/nu11040882] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/04/2019] [Accepted: 04/17/2019] [Indexed: 02/07/2023] Open
Abstract
The prospero homeobox 1 (PROX1) gene may show pleiotropic effects on metabolism. We evaluated postprandial metabolic alterations dependently on the rs340874 genotypes, and 28 non-diabetic men were divided into two groups: high-risk (HR)-genotype (CC-genotype carriers, n = 12, 35.3 ± 9.5 years old) and low-risk (LR)-genotype (allele T carriers, n = 16, 36.3 ± 7.0 years old). Subjects participated in two meal-challenge-tests with high-carbohydrate (HC, carbohydrates 89%) and normo-carbohydrate (NC, carbohydrates 45%) meal intake. Fasting and 30, 60, 120, and 180 min after meal intake plasma samples were fingerprinted by liquid chromatography quadrupole time-of-flight mass spectrometry (LC-QTOF-MS). In HR-genotype men, the area under the curve (AUC) of acetylcarnitine levels was higher after the HC-meal [+92%, variable importance in the projection (VIP) = 2.88] and the NC-meal (+55%, VIP = 2.00) intake. After the NC-meal, the HR-risk genotype carriers presented lower AUCs of oxidized fatty acids (−81–66%, VIP = 1.43–3.16) and higher linoleic acid (+80%, VIP = 2.29), while after the HC-meal, they presented lower AUCs of ornithine (−45%, VIP = 1.83), sphingosine (−48%, VIP = 2.78), linoleamide (−45%, VIP = 1.51), and several lysophospholipids (−40–56%, VIP = 1.72–2.16). Moreover, lower AUC (−59%, VIP = 2.43) of taurocholate after the HC-meal and higher (+70%, VIP = 1.42) glycodeoxycholate levels after the NC-meal were observed. Our results revealed differences in postprandial metabolites from inflammatory and oxidative stress pathways, bile acids signaling, and lipid metabolism in PROX1 HR-genotype men. Further investigations of diet–genes interactions by which PROX1 may promote T2DM development are needed.
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Affiliation(s)
- Edyta Adamska-Patruno
- Clinical Research Centre, Medical University of Bialystok, 15-089 Bialystok, Poland.
| | - Joanna Godzien
- Clinical Research Centre, Medical University of Bialystok, 15-089 Bialystok, Poland.
| | - Michal Ciborowski
- Clinical Research Centre, Medical University of Bialystok, 15-089 Bialystok, Poland.
| | - Paulina Samczuk
- Clinical Research Centre, Medical University of Bialystok, 15-089 Bialystok, Poland.
| | - Witold Bauer
- Clinical Research Centre, Medical University of Bialystok, 15-089 Bialystok, Poland.
| | - Katarzyna Siewko
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, 15-089 Bialystok, Poland.
| | - Maria Gorska
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, 15-089 Bialystok, Poland.
| | - Coral Barbas
- Center for Metabolomics and Bioanalysis (CEMBIO), Universidad CEU San Pablo, 28003 Madrid, Spain.
| | - Adam Kretowski
- Clinical Research Centre, Medical University of Bialystok, 15-089 Bialystok, Poland.
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, 15-089 Bialystok, Poland.
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25
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Aphrodisiac effect of Hunteria umbellata seed extract: Modulation of nitric oxide level and arginase activity in vivo. PATHOPHYSIOLOGY 2019; 26:39-47. [DOI: 10.1016/j.pathophys.2018.11.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 11/08/2018] [Accepted: 11/29/2018] [Indexed: 11/17/2022] Open
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26
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Moretto J, Girard C, Demougeot C. The role of arginase in aging: A systematic review. Exp Gerontol 2019; 116:54-73. [DOI: 10.1016/j.exger.2018.12.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/07/2018] [Accepted: 12/12/2018] [Indexed: 12/15/2022]
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27
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Kyselova A, Hinrichsmeyer H, Zukunft S, Mann AW, Dornauf I, Fleming I, Randriamboavonjy V. Association between arginase-containing platelet-derived microparticles and altered plasma arginine metabolism in polycystic ovary syndrome. Metabolism 2019; 90:16-19. [PMID: 30367832 DOI: 10.1016/j.metabol.2018.10.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 10/17/2018] [Accepted: 10/19/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND Polycystic ovary syndrome (PCOS) is an endocrine and metabolic disease associated with insulin resistance and increased risk of cardiovascular diseases. However, a biomarker for potential cardiovascular disease in PCOS patients is not available. MATERIALS AND METHODS Twenty-two patients with PCOS and 22 healthy controls were included in the present study and amino acid profiling was performed on fasting plasma samples. Circulating microparticles were characterized by FACS analysis and complemented with enzyme activity assays. RESULTS The ratio of ornithine to arginine was significantly increased in plasma form PCOS patients and was associated with a significant increase in plasma arginase levels and activity. Platelet-derived microparticles were identified to be the main sources of the increased plasma arginase activity. CONCLUSIONS Increased levels of arginase-bearing platelet-derived microparticles contribute to the alteration of the arginine metabolism in patients with polycystic ovary syndrome. Moreover, ornithine and arginine levels represent early biomarkers of potential cardiovascular disease in PCOS patients.
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Affiliation(s)
- Anastasia Kyselova
- Institute for Vascular Signalling, Centre of Molecular Medicine, Goethe University, Frankfurt am Main D-60596, Germany; German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany
| | - Hanna Hinrichsmeyer
- Institute for Vascular Signalling, Centre of Molecular Medicine, Goethe University, Frankfurt am Main D-60596, Germany
| | - Sven Zukunft
- Institute for Vascular Signalling, Centre of Molecular Medicine, Goethe University, Frankfurt am Main D-60596, Germany; German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany
| | | | - Imke Dornauf
- Endokrinologikum Frankfurt, Frankfurt am Main D-60596, Germany
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre of Molecular Medicine, Goethe University, Frankfurt am Main D-60596, Germany; German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany
| | - Voahanginirina Randriamboavonjy
- Institute for Vascular Signalling, Centre of Molecular Medicine, Goethe University, Frankfurt am Main D-60596, Germany; German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany.
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28
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Mahdi A, Kövamees O, Checa A, Wheelock CE, von Heijne M, Alvarsson M, Pernow J. Arginase inhibition improves endothelial function in patients with type 2 diabetes mellitus despite intensive glucose-lowering therapy. J Intern Med 2018; 284:388-398. [PMID: 30151846 DOI: 10.1111/joim.12785] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Arginase is implicated in the pathogenesis behind endothelial dysfunction in type 2 diabetes mellitus (T2DM) by its inhibition of nitric oxide formation. Strict glycaemic control is not sufficient to improve endothelial function or cardiovascular outcomes in patients with T2DM, thus other treatment strategies are needed. We hypothesized that arginase inhibition improves endothelial function beyond glucose-lowering therapy following glucose optimization in patients with poorly controlled T2DM. METHODS AND RESULTS Endothelial function was evaluated in 16 patients with poorly controlled T2DM (visit 1) and 16 age-matched controls using venous occlusion plethysmography. T2DM patients were re-evaluated (visit 2) after intensive glucose-lowering regimen. Endothelium-dependent (EDV) and -independent (EIDV) vasodilatations were evaluated before and after 120 min intra-arterial infusion of the arginase inhibitor N(ω)-hydroxy-nor-L-arginine (nor-NOHA). HbA1c was reduced from 87 ± 17 (visit 1) to 65 ± 11 mmol mol-1 (visit 2, P < 0.001). Basal EDV, but not EIDV, was significantly lower in patients with T2DM than in healthy subjects (P < 0.05). EDV and EIDV were unaffected by glucose-lowering regimen in patients with T2DM. Arginase inhibition enhanced EDV in T2DM patients both at visit 1 and visit 2 (P < 0.01). There was no difference in improvement in EDV between the two occasions. EIDV was unaltered by nor-NOHA in T2DM at visit 1, but was slightly improved at visit 2. CONCLUSIONS Arginase inhibition improves endothelial function in patients with poorly controlled T2DM, which is maintained following glucose optimization. Thus, arginase inhibition is a promising therapeutic target beyond glucose lowering for improving endothelial function in T2DM patients.
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Affiliation(s)
- A Mahdi
- Division of Cardiology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - O Kövamees
- Division of Cardiology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - A Checa
- Division of Physiological Chemistry 2, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - C E Wheelock
- Division of Physiological Chemistry 2, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - M von Heijne
- Division of Endocrinology, Department of Clinical Sciences, Danderyd Hospital, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - M Alvarsson
- Division of Endocrinology and Diabetology, Department of Molecular Medicine and Surgery, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - J Pernow
- Division of Cardiology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
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Fawad Ali Shah S, Iqbal T, Naveed N, Akram S, Arshad Rafiq M, Hussain S. ARG1 single nucleotide polymorphisms rs2781666 and rs2781665 confer risk of Type 2 diabetes mellitus. EXCLI JOURNAL 2018; 17:847-855. [PMID: 30233283 PMCID: PMC6141821 DOI: 10.17179/excli2018-1178] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 08/20/2018] [Indexed: 11/25/2022]
Abstract
Genetic polymorphisms mapped in the ARG1 locus (chr6:131894344-131905472) and their functional effects on type 2 diabetes mellitus (T2DM) have not been thoroughly elucidated to date. The present study aimed to investigate an association between variant alleles at ARG1 locus and T2DM in patients. Two ARG1 single nucleotide polymorphisms (SNPs) were characterized in a representative sample of 500 patients with T2DM and 500 healthy volunteers. Serum lipid profile was studied by spectrophotometric analysis, while serum arginase-1 concentrations were determined by an enzyme-linked immunosorbent assay. The regions, encompassing target SNPs (rs2781665 and rs2781666), were amplified by polymerase chain reaction and genotypes were assigned by restriction digestions. A statistically significant increase was observed in the serum hs-CRP and arginase-1 levels in the subjects with T2DM than in controls (P <0.0001; for each). The variant genotypes of rs2781666 and rs2781665 were significantly associated with T2DM when compared with controls (P< 0.0001). Moreover, type 2 diabetic patients showed higher frequencies of T allele at rs2781666 and rs2781665 compared to the controls (OR = 1.7; 95 % CI=1.31-2.13; P <0.0001, and OR = 1.9; 95 % CI=1.45-2.38; P <0.0001, respectively). Haplotype T-T (chr6: 131893247-131893559) mapped at rs2781665-A/T and rs2781666-G/T displays higher frequency in the subjects when compared to the healthy ethnically-matched control samples (P <0.0001). We wish to propose, the first ever observation to our knowledge that concluding high levels of arginase-1 and the ARG1 polymorphisms are possible causes to confer/augment the risk of T2DM in subjects originates in Pakistan.
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Affiliation(s)
- Syed Fawad Ali Shah
- Department of Biosciences, COMSATS University Islamabad, Park Road, Chak Shehzad, Islamabad 45550, Pakistan
| | - Tahir Iqbal
- Department of Internal Medicine, Shifa College of Medicine, Shifa International Hospital, H-8/4, Islamabad 44000, Pakistan
| | - Nasreen Naveed
- The Diabetic Centre, Phulgran Stop Near Toll Plaza, Murree Express Way, Islamabad 635, Pakistan
| | - Sumaira Akram
- Department of Biosciences, COMSATS University Islamabad, Park Road, Chak Shehzad, Islamabad 45550, Pakistan
| | - Muhammad Arshad Rafiq
- Department of Biosciences, COMSATS University Islamabad, Park Road, Chak Shehzad, Islamabad 45550, Pakistan
| | - Sabir Hussain
- Department of Biosciences, COMSATS University Islamabad, Park Road, Chak Shehzad, Islamabad 45550, Pakistan
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30
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Red Blood Cells in Type 2 Diabetes Impair Cardiac Post-Ischemic Recovery Through an Arginase-Dependent Modulation of Nitric Oxide Synthase and Reactive Oxygen Species. JACC Basic Transl Sci 2018; 3:450-463. [PMID: 30175269 PMCID: PMC6115643 DOI: 10.1016/j.jacbts.2018.03.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 03/12/2018] [Accepted: 03/22/2018] [Indexed: 12/29/2022]
Abstract
RBCs from mice and patients with type 2 diabetes have increased arginase activity and production of reactive oxygen species. RBCs from mice and patients with type 2 diabetes aggravate myocardial ischemia-reperfusion injury. Inhibition of arginase in RBCs from mice and patients with type 2 diabetes improves post-ischemic myocardial recovery via reduced oxidative stress. Inhibition of nitric oxide synthase in RBC reduces oxidative stress and restores post-ischemic myocardial functional recovery. These data demonstrate a novel disease mechanism by which RBC drive post-ischemic cardiac dysfunction in type 2 diabetes.
This study tested the hypothesis that red blood cell (RBC) arginase represents a potential therapeutic target in ischemia-reperfusion in type 2 diabetes. Post-ischemic cardiac recovery was impaired in hearts from db/db mice compared with wild-type hearts. RBCs from mice and patients with type 2 diabetes attenuated post-ischemic cardiac recovery of nondiabetic hearts. This impaired cardiac recovery was reversed by inhibition of RBCs arginase or nitric oxide synthase. The results suggest that RBCs from type 2 diabetics impair cardiac tolerance to ischemia-reperfusion via a pathway involving arginase activity and nitric oxide synthase-dependent oxidative stress.
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Key Words
- ABH, 2 (S)-amino-6-boronohexanoic acid
- KH, Krebs-Henseleit
- L-NAME, NG-nitro-L-arginine methyl ester
- LVDP, left ventricular developed pressure
- LVEDP, left ventricular end-diastolic pressure
- NAC, N-acetylcysteine
- NO, nitric oxide
- NOS, nitric oxide synthase
- RBC, red blood cell
- ROS, reactive oxygen species
- WT, wild type
- arginase
- dP/dt, the first derivative of left ventricular pressure
- eNOS, endothelial nitric oxide synthase
- iNOS, inducible isoform of nitric oxide synthase
- nitric oxide synthase
- nor-NOHA, Nω-hydroxy-nor-L-arginine
- reactive oxygen species
- red blood cells
- type 2 diabetes
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Serum exosomes mediate delivery of arginase 1 as a novel mechanism for endothelial dysfunction in diabetes. Proc Natl Acad Sci U S A 2018; 115:E6927-E6936. [PMID: 29967177 DOI: 10.1073/pnas.1721521115] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Exosomes, abundant in blood, deliver various molecules to recipient cells. Endothelial cells are directly exposed to circulating substances. However, how endothelial cells respond to serum exosomes (SExos) and the implications in diabetes-associated vasculopathy have never been explored. In the present study, we showed that SExos from diabetic db/db mice (db/db SExos) were taken up by aortic endothelial cells, which severely impaired endothelial function in nondiabetic db/m+ mice. The exosomal proteins, rather than RNAs, mostly account for db/db SExos-induced endothelial dysfunction. Comparative proteomics analysis showed significant increase of arginase 1 in db/db SExos. Silence or overexpression of arginase 1 confirmed its essential role in db/db SExos-induced endothelial dysfunction. This study is a demonstration that SExos deliver arginase 1 protein to endothelial cells, representing a cellular mechanism during development of diabetic endothelial dysfunction. The results expand the scope of blood-borne substances that monitor vascular homeostasis.
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Shah SFA, Iqbal T, Qamar R, Rafiq MA, Hussain S. ARG1Gene Polymorphisms and Their Association in Individuals with Essential Hypertension: A Case–Control Study. DNA Cell Biol 2018; 37:609-616. [DOI: 10.1089/dna.2018.4222] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Affiliation(s)
- Syed Fawad Ali Shah
- Department of Biosciences, COMSATS Institute of Information Technology, Islamabad, Pakistan
| | - Tahir Iqbal
- Department of Internal Medicine, Shifa College of Medicine, Shifa International Hospital, Islamabad, Pakistan
| | - Raheel Qamar
- Department of Biosciences, COMSATS Institute of Information Technology, Islamabad, Pakistan
| | - Muhammad Arshad Rafiq
- Department of Biosciences, COMSATS Institute of Information Technology, Islamabad, Pakistan
| | - Sabir Hussain
- Department of Biosciences, COMSATS Institute of Information Technology, Islamabad, Pakistan
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Mulukutla SN, Hsu JW, Gaba R, Bohren KM, Guthikonda A, Iyer D, Ajami NJ, Petrosino JF, Hampe CS, Ram N, Jahoor F, Balasubramanyam A. Arginine Metabolism Is Altered in Adults with A-β + Ketosis-Prone Diabetes. J Nutr 2018; 148:185-193. [PMID: 29490093 PMCID: PMC6251649 DOI: 10.1093/jn/nxx032] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 10/31/2017] [Indexed: 12/15/2022] Open
Abstract
Background A-β + ketosis-prone diabetes (KPD) is a subset of type 2 diabetes in which patients have severe but reversible β cell dysfunction of unknown etiology. Plasma metabolomic analysis indicates that abnormal arginine metabolism may be involved. Objective The objective of this study was to determine the relation between gut microbiome and arginine metabolism and the relation between arginine availability and β cell function in KPD patients compared with control participants. Methods Kinetics of arginine and related metabolites were measured with stable isotope tracers, and insulin secretory responses to arginine and glucose were determined under euglycemic and hyperglycemic conditions in 6 KPD patients and 6 age-, gender-, and body mass index-matched control participants. Glucose potentiation of arginine-induced insulin secretion was performed in a different set of 6 KPD and 3 control participants. Results Arginine availability was higher in KPD patients during euglycemia [53.5 ± 4.3 (mean ± SEM) compared with 40.3 ± 2.4 μmol · kg lean body mass (LBM)-1 · h-1, P = 0.03] but declined more in response to hyperglycemia (Δ 10.15 ± 2.6 compared with Δ 3.20 ± 1.3 μmol · kg LBM-1 · h-1, P = 0.041). During hyperglycemia, ornithine flux was not different between groups but after an arginine bolus, plasma ornithine AUC trended higher in KPD patients (3360 ± 294 compared with 2584 ± 259 min · μmol · L-1, P = 0.08). In both euglycemia and hyperglycemia, the first-phase insulin responses to glucose stimulation were lower in KPD patients (euglycemic insulin AUC 282 ± 108 compared with 926 ± 257 min · μU · mL-1, P = 0.02; hyperglycemic insulin AUC 358 ± 79 compared with 866 ± 292 min · μU · mL-1, P = 0.05), but exogenous arginine restored first-phase insulin secretion in KPD patients to the level of control participants. Conclusion Compared with control participants, KPD patients have increased arginine availability in the euglycemic state, indicating a higher requirement. This is compromised during hyperglycemia, with an inadequate supply of arginine to sustain metabolic functions such as insulin secretion. Exogenous arginine administration restores a normal insulin secretory response.
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Affiliation(s)
- Surya N Mulukutla
- Diabetes Research Center, Division of Diabetes, Endocrinology and
Metabolism
| | - Jean W Hsu
- USDA-ARS Children's Nutrition Research Center, Department of Pediatrics; and
Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and
Microbiology, Baylor College of Medicine, Houston, TX
| | - Ruchi Gaba
- Diabetes Research Center, Division of Diabetes, Endocrinology and
Metabolism
| | - Kurt M Bohren
- USDA-ARS Children's Nutrition Research Center, Department of Pediatrics; and
Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and
Microbiology, Baylor College of Medicine, Houston, TX
| | - Anu Guthikonda
- Diabetes Research Center, Division of Diabetes, Endocrinology and
Metabolism
| | - Dinakar Iyer
- Diabetes Research Center, Division of Diabetes, Endocrinology and
Metabolism
| | - Nadim J Ajami
- Alkek Center for Metagenomics and Microbiome Research, Department of Molecular
Virology and Microbiology, Baylor College of Medicine, Houston, TX
| | - Joseph F Petrosino
- Alkek Center for Metagenomics and Microbiome Research, Department of Molecular
Virology and Microbiology, Baylor College of Medicine, Houston, TX
| | | | - Nalini Ram
- Diabetes Research Center, Division of Diabetes, Endocrinology and
Metabolism
| | - Farook Jahoor
- USDA-ARS Children's Nutrition Research Center, Department of Pediatrics; and
Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and
Microbiology, Baylor College of Medicine, Houston, TX,Address correspondence to AB (e-mail: ) or FJ (e-mail: )
| | - Ashok Balasubramanyam
- Diabetes Research Center, Division of Diabetes, Endocrinology and
Metabolism,Address correspondence to AB (e-mail: ) or FJ (e-mail: )
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Boyne MS. Arginine Metabolism and A-β + Ketosis-Prone Diabetes. J Nutr 2018; 148:170-171. [PMID: 29490106 DOI: 10.1093/jn/nxx066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 12/09/2017] [Indexed: 12/31/2022] Open
Affiliation(s)
- Michael S Boyne
- Department of Medicine and Caribbean Institute for Health Research, The University of the West Indies, Mona, Jamaica
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Zaytouni T, Tsai PY, Hitchcock DS, DuBois CD, Freinkman E, Lin L, Morales-Oyarvide V, Lenehan PJ, Wolpin BM, Mino-Kenudson M, Torres EM, Stylopoulos N, Clish CB, Kalaany NY. Critical role for arginase 2 in obesity-associated pancreatic cancer. Nat Commun 2017; 8:242. [PMID: 28808255 PMCID: PMC5556090 DOI: 10.1038/s41467-017-00331-y] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Accepted: 06/21/2017] [Indexed: 12/13/2022] Open
Abstract
Obesity is an established risk factor for pancreatic ductal adenocarcinoma (PDA). Despite recent identification of metabolic alterations in this lethal malignancy, the metabolic dependencies of obesity-associated PDA remain unknown. Here we show that obesity-driven PDA exhibits accelerated growth and a striking transcriptional enrichment for pathways regulating nitrogen metabolism. We find that the mitochondrial form of arginase (ARG2), which hydrolyzes arginine into ornithine and urea, is induced upon obesity, and silencing or loss of ARG2 markedly suppresses PDA. In vivo infusion of 15N-glutamine in obese mouse models of PDA demonstrates enhanced nitrogen flux into the urea cycle and infusion of 15N-arginine shows that Arg2 loss causes significant ammonia accumulation that results from the shunting of arginine catabolism into alternative nitrogen repositories. Furthermore, analysis of PDA patient tumors indicates that ARG2 levels correlate with body mass index (BMI). The specific dependency of PDA on ARG2 rather than the principal hepatic enzyme ARG1 opens a therapeutic window for obesity-associated pancreatic cancer.Obesity is an established risk factor for pancreatic ductal adenocarcinoma (PDA). Here the authors show that obesity induces the expression of the mitochondrial form of arginase ARG2 in PDA and that ARG2 silencing or loss results in ammonia accumulation and suppression of obesity-driven PDA tumor growth.
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Affiliation(s)
- Tamara Zaytouni
- Division of Endocrinology, Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, MA, 02115, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, 02115, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, 02142, USA
| | - Pei-Yun Tsai
- Division of Endocrinology, Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, MA, 02115, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, 02115, USA
| | | | - Cory D DuBois
- Division of Endocrinology, Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, MA, 02115, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, 02142, USA
| | - Elizaveta Freinkman
- Whitehead Institute for Biomedical Research, Cambridge, MA, 02142, USA
- Metabolon Inc, Research Triangle Park, Durham, NC, 27709, USA
| | - Lin Lin
- Department of Pediatrics, Harvard Medical School, Boston, MA, 02115, USA
| | - Vicente Morales-Oyarvide
- Department of Medical Oncology, Dana-Farber Cancer Institute and Department of Medicine, Harvard Medical School, Boston, MA, 02215, USA
| | - Patrick J Lenehan
- Division of Endocrinology, Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, MA, 02115, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, 02115, USA
| | - Brian M Wolpin
- Department of Medical Oncology, Dana-Farber Cancer Institute and Department of Medicine, Harvard Medical School, Boston, MA, 02215, USA
| | - Mari Mino-Kenudson
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Eduardo M Torres
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA, 01605, USA
| | - Nicholas Stylopoulos
- Division of Endocrinology, Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, MA, 02115, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, 02115, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, 02142, USA
| | - Clary B Clish
- Broad Institute of Harvard and MIT, Cambridge, MA, 02142, USA
| | - Nada Y Kalaany
- Division of Endocrinology, Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, MA, 02115, USA.
- Department of Pediatrics, Harvard Medical School, Boston, MA, 02115, USA.
- Broad Institute of Harvard and MIT, Cambridge, MA, 02142, USA.
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Lacchini R, Muniz JJ, Nobre YTDA, Cologna AJ, Martins ACP, Tanus-Santos JE. Influence of arginase polymorphisms and arginase levels/activity on the response to erectile dysfunction therapy with sildenafil. THE PHARMACOGENOMICS JOURNAL 2017; 18:238-244. [DOI: 10.1038/tpj.2017.2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 11/16/2016] [Accepted: 01/09/2017] [Indexed: 01/12/2023]
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Förstermann U, Xia N, Li H. Roles of Vascular Oxidative Stress and Nitric Oxide in the Pathogenesis of Atherosclerosis. Circ Res 2017; 120:713-735. [DOI: 10.1161/circresaha.116.309326] [Citation(s) in RCA: 692] [Impact Index Per Article: 98.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/19/2016] [Accepted: 12/26/2016] [Indexed: 12/13/2022]
Abstract
Major reactive oxygen species (ROS)–producing systems in vascular wall include NADPH (reduced form of nicotinamide adenine dinucleotide phosphate) oxidase, xanthine oxidase, the mitochondrial electron transport chain, and uncoupled endothelial nitric oxide (NO) synthase. ROS at moderate concentrations have important signaling roles under physiological conditions. Excessive or sustained ROS production, however, when exceeding the available antioxidant defense systems, leads to oxidative stress. Animal studies have provided compelling evidence demonstrating the roles of vascular oxidative stress and NO in atherosclerosis. All established cardiovascular risk factors such as hypercholesterolemia, hypertension, diabetes mellitus, and smoking enhance ROS generation and decrease endothelial NO production. Key molecular events in atherogenesis such as oxidative modification of lipoproteins and phospholipids, endothelial cell activation, and macrophage infiltration/activation are facilitated by vascular oxidative stress and inhibited by endothelial NO. Atherosclerosis develops preferentially in vascular regions with disturbed blood flow (arches, branches, and bifurcations). The fact that these sites are associated with enhanced oxidative stress and reduced endothelial NO production is a further indication for the roles of ROS and NO in atherosclerosis. Therefore, prevention of vascular oxidative stress and improvement of endothelial NO production represent reasonable therapeutic strategies in addition to the treatment of established risk factors (hypercholesterolemia, hypertension, and diabetes mellitus).
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Affiliation(s)
- Ulrich Förstermann
- From the Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany (U.F., N.X., H.L.); Center for Translational Vascular Biology (CTVB), Johannes Gutenberg University Medical Center, Mainz, Germany (H.L.); and German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany (H.L.)
| | - Ning Xia
- From the Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany (U.F., N.X., H.L.); Center for Translational Vascular Biology (CTVB), Johannes Gutenberg University Medical Center, Mainz, Germany (H.L.); and German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany (H.L.)
| | - Huige Li
- From the Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany (U.F., N.X., H.L.); Center for Translational Vascular Biology (CTVB), Johannes Gutenberg University Medical Center, Mainz, Germany (H.L.); and German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany (H.L.)
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Hernández-Trejo M, Montoya-Estrada A, Torres-Ramos Y, Espejel-Núñez A, Guzmán-Grenfell A, Morales-Hernández R, Tolentino-Dolores M, Laresgoiti-Servitje E. Oxidative stress biomarkers and their relationship with cytokine concentrations in overweight/obese pregnant women and their neonates. BMC Immunol 2017; 18:3. [PMID: 28061809 PMCID: PMC5219784 DOI: 10.1186/s12865-016-0184-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Accepted: 12/08/2016] [Indexed: 02/02/2023] Open
Abstract
Background Oxidative damage present in obese/overweight mothers may lead to further oxidative stress conditions or inflammation in maternal and cord blood samples. Thirty-four pregnant women/newborn pairs were included in this study to assess the presence of oxidative stress biomarkers and their relationship with serum cytokine concentrations. Oxidative stress biomarkers and antioxidant enzymes were compared between the mother/offspring pairs. The presence of 27 cytokines was measured in maternal and cord blood samples. Analyses were initially performed between all mothers and newborns and later between normal weight and mothers with overweight and obesity, and diabetic/non-diabetic women. Results Significant differences were found in biomarker concentrations between mothers and newborns. Additionally, superoxide-dismutase activity was higher in pre-pregnancy overweight mothers compared to those with normal weight. Activity for this enzyme was higher in neonates born from mothers with normal pregestational weight compared with their mothers. Nitrites in overweight/obese mothers were statistically lower than in their offspring. Maternal free fatty acids, nitrites, carbonylated proteins, malondialdehyde and superoxide dismutase predicted maternal serum concentrations of IL-4, IL-13, IP-10 and MIP-1β. Arginase activity in maternal plasma was related to decreased concentrations of IL-4 and IL-1β in cord arterial blood. Increased maternal malondialdehyde plasma was associated with higher levels of IL-6 and IL-7 in the offspring. Conclusions Oxidative stress biomarkers differ between mothers and offspring and can predict maternal and newborn cytokine concentrations, indicating a potential role for oxidative stress in foetal metabolic and immunologic programming. Moreover, maternal obesity and diabetes may affect maternal microenvironments, and oxidative stress related to these can have an impact on the placenta and foetal growth.
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Affiliation(s)
- María Hernández-Trejo
- Neurobiology of Development Department, Instituto Nacional de Perinatologia, Mexico City, Mexico
| | | | - Yessica Torres-Ramos
- Immunobiochemistry Department, Instituto Nacional de Perinatologia, Mexico City, Mexico
| | - Aurora Espejel-Núñez
- Immunobiochemistry Department, Instituto Nacional de Perinatologia, Mexico City, Mexico
| | | | | | | | - Estibalitz Laresgoiti-Servitje
- Basic Medical Sciences, TEC-ABC School of Medicine, Tecnologico de Monterrey Carlos Graef Fernandez 154-114, 05120, Mexico City, Mexico.
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Kövamees O, Shemyakin A, Pernow J. Amino acid metabolism reflecting arginase activity is increased in patients with type 2 diabetes and associated with endothelial dysfunction. Diab Vasc Dis Res 2016; 13:354-60. [PMID: 27190086 DOI: 10.1177/1479164116643916] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Endothelial dysfunction contributes to the development of vascular complication in diabetes. Arginase has emerged as a key mechanism behind endothelial dysfunction by its reciprocal regulation of nitric oxide production by substrate competition. We hypothesized that increased arginase activity in patients with type 2 diabetes shifts the metabolism of l-arginine from nitric oxide synthase to arginase resulting in an increase in the plasma ratio of ornithine/citrulline, and that this ratio is associated with endothelial dysfunction. METHODS Forearm endothelium-dependent vasodilatation and endothelium-independent vasodilatation were determined in 15 patients with type 2 diabetes and 10 healthy controls and related to amino acids reflecting arginase and nitric oxide synthase activity. RESULTS Compared to healthy controls, patients with diabetes had impaired endothelium-dependent vasodilatation and endothelium-independent vasodilatation. The ratios of ornithine/citrulline and proline/citrulline were 60% and 95% higher, respectively, in patients with diabetes than in controls (p < 0.001). The plasma ornithine/arginine ratio was 36% higher in patients with diabetes, indicating increased arginase activity. These ratios were inversely correlated to endothelium-dependent vasodilatation and endothelium-independent vasodilatation. CONCLUSION Patients with diabetes and macrovascular complications have increased amino acid ratios reflecting a shift in arginine metabolism due to arginase activation. These changes are inversely related to endothelial function supporting that arginase activity contributes to endothelial dysfunction.
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Affiliation(s)
- Oskar Kövamees
- Unit of Cardiology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden Department of Cardiology Karolinska University Hospital, Stockholm, Sweden
| | - Alexey Shemyakin
- Unit of Cardiology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden Department of Cardiology Karolinska University Hospital, Stockholm, Sweden
| | - John Pernow
- Unit of Cardiology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden Department of Cardiology Karolinska University Hospital, Stockholm, Sweden
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Forte M, Conti V, Damato A, Ambrosio M, Puca AA, Sciarretta S, Frati G, Vecchione C, Carrizzo A. Targeting Nitric Oxide with Natural Derived Compounds as a Therapeutic Strategy in Vascular Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:7364138. [PMID: 27651855 PMCID: PMC5019908 DOI: 10.1155/2016/7364138] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 07/30/2016] [Accepted: 08/01/2016] [Indexed: 12/20/2022]
Abstract
Within the family of endogenous gasotransmitters, nitric oxide (NO) is the smallest gaseous intercellular messenger involved in the modulation of several processes, such as blood flow and platelet aggregation control, essential to maintain vascular homeostasis. NO is produced by nitric oxide synthases (NOS) and its effects are mediated by cGMP-dependent or cGMP-independent mechanisms. Growing evidence suggests a crosstalk between the NO signaling and the occurrence of oxidative stress in the onset and progression of vascular diseases, such as hypertension, heart failure, ischemia, and stroke. For these reasons, NO is considered as an emerging molecular target for developing therapeutic strategies for cardio- and cerebrovascular pathologies. Several natural derived compounds, such as polyphenols, are now proposed as modulators of NO-mediated pathways. The aim of this review is to highlight the experimental evidence on the involvement of nitric oxide in vascular homeostasis focusing on the therapeutic potential of targeting NO with some natural compounds in patients with vascular diseases.
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Affiliation(s)
- Maurizio Forte
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
| | - Valeria Conti
- Università degli Studi di Salerno, Medicine, Surgery and Dentistry, Baronissi, Italy
| | - Antonio Damato
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
| | | | - Annibale A. Puca
- Università degli Studi di Salerno, Medicine, Surgery and Dentistry, Baronissi, Italy
- IRCCS Multimedica, Milan, Italy
| | - Sebastiano Sciarretta
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Rome, Italy
| | - Giacomo Frati
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Rome, Italy
| | - Carmine Vecchione
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
- Università degli Studi di Salerno, Medicine, Surgery and Dentistry, Baronissi, Italy
| | - Albino Carrizzo
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
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El Assar M, Angulo J, Santos-Ruiz M, Ruiz de Adana JC, Pindado ML, Sánchez-Ferrer A, Hernández A, Rodríguez-Mañas L. Asymmetric dimethylarginine (ADMA) elevation and arginase up-regulation contribute to endothelial dysfunction related to insulin resistance in rats and morbidly obese humans. J Physiol 2016; 594:3045-60. [PMID: 26840628 PMCID: PMC4887698 DOI: 10.1113/jp271836] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 01/18/2016] [Indexed: 01/04/2023] Open
Abstract
KEY POINTS The presence of insulin resistance (IR) is determinant for endothelial dysfunction associated with obesity. Although recent studies have implicated the involvement of mitochondrial superoxide and inflammation in the defective nitric oxide (NO)-mediated responses and subsequent endothelial dysfunction in IR, other mechanisms could compromise this pathway. In the present study, we assessed the role of asymmetric dimethylarginine (ADMA) and arginase with respect to IR-induced impairment of endothelium-dependent vasodilatation in human morbid obesity and in a non-obese rat model of IR. We show that both increased ADMA and up-regulated arginase are determinant factors in the alteration of the l-arginine/NO pathway associated with IR in both models and also that acute treatment of arteries with arginase inhibitor or with l-arginine significantly alleviate endothelial dysfunction. These results help to expand our knowledge regarding the mechanisms of endothelial dysfunction that are related to obesity and IR and establish potential therapeutic targets for intervention. ABSTRACT Insulin resistance (IR) is determinant for endothelial dysfunction in human obesity. Although we have previously reported the involvement of mitochondrial superoxide and inflammation, other mechanisms could compromise NO-mediated responses in IR. We evaluated the role of the endogenous NOS inhibitor asymmetric dimethylarginine (ADMA) and arginase with respect to IR-induced impairment of l-arginine/NO-mediated vasodilatation in human morbid obesity and in a non-obese rat model of IR. Bradykinin-induced vasodilatation was evaluated in microarteries derived from insulin-resistant morbidly obese (IR-MO) and non-insulin-resistant MO (NIR-MO) subjects. Defective endothelial vasodilatation in IR-MO was improved by l-arginine supplementation. Increased levels of ADMA were detected in serum and adipose tissue from IR-MO. Serum ADMA positively correlated with IR score and negatively with pD2 for bradykinin. Gene expression determination by RT-PCR revealed not only the decreased expression of ADMA degrading enzyme dimethylarginine dimethylaminohydrolase (DDAH)1/2 in IR-MO microarteries, but also increased expression of arginase-2. Arginase inhibition improved endothelial vasodilatation in IR-MO. Analysis of endothelial vasodilatation in a non-obese IR model (fructose-fed rat) confirmed an elevation of circulating and aortic ADMA concentrations, as well as reduced DDAH aortic content and increased aortic arginase activity in IR. Improvement of endothelial vasodilatation in IR rats by l-arginine supplementation and arginase inhibition provided functional corroboration. These results demonstrate that increased ADMA and up-regulated arginase contribute to endothelial dysfunction as determined by the presence of IR in human obesity, most probably by compromising arginine availability. The results provide novel insights regarding the mechanisms of endothelial dysfunction related to obesity and IR and establish potential therapeutic targets for intervention.
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Affiliation(s)
- Mariam El Assar
- Instituto de Investigación Sanitaria de Getafe, Getafe, Madrid, Spain
| | - Javier Angulo
- Unidad de Investigación Cardiovascular (IRYCIS/UFV), Hospital Universitario Ramón y Cajal, Madrid, Spain
| | | | | | | | | | | | - Leocadio Rodríguez-Mañas
- Instituto de Investigación Sanitaria de Getafe, Getafe, Madrid, Spain
- Servicio de Geriatría, Hospital Universitario de Getafe, Getafe, Madrid, Spain
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Horowitz JD, Chong CR, Ngo DT, Sverdlov AL. Effects of acute hyperglycaemia on cardiovascular homeostasis: does a spoonful of sugar make the flow-mediated dilatation go down? J Thorac Dis 2016; 7:E607-11. [PMID: 26793371 DOI: 10.3978/j.issn.2072-1439.2015.12.40] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- John David Horowitz
- Cardiology and Clinical Pharmacology Units, the Queen Elizabeth Hospital and Basil Hetzel Institute, University of Adelaide, Woodville, SA, Australia
| | - Cher-Rin Chong
- Cardiology and Clinical Pharmacology Units, the Queen Elizabeth Hospital and Basil Hetzel Institute, University of Adelaide, Woodville, SA, Australia
| | - Doan T Ngo
- Cardiology and Clinical Pharmacology Units, the Queen Elizabeth Hospital and Basil Hetzel Institute, University of Adelaide, Woodville, SA, Australia
| | - Aaron Leonid Sverdlov
- Cardiology and Clinical Pharmacology Units, the Queen Elizabeth Hospital and Basil Hetzel Institute, University of Adelaide, Woodville, SA, Australia
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Baumgardt SL, Paterson M, Leucker TM, Fang J, Zhang DX, Bosnjak ZJ, Warltier DC, Kersten JR, Ge ZD. Chronic Co-Administration of Sepiapterin and L-Citrulline Ameliorates Diabetic Cardiomyopathy and Myocardial Ischemia/Reperfusion Injury in Obese Type 2 Diabetic Mice. Circ Heart Fail 2016; 9:e002424. [PMID: 26763290 PMCID: PMC4714787 DOI: 10.1161/circheartfailure.115.002424] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Diabetic heart disease is associated with tetrahydrobiopterin oxidation and high arginase activity, leading to endothelial nitric oxide synthase dysfunction. Sepiapterin (SEP) is a tetrahydrobiopterin precursor, and L-citrulline (L-Cit) is converted to endothelial nitric oxide synthase substrate, L-arginine. Whether SEP and L-Cit are effective at reducing diabetic heart disease is not known. The present study examined the effects of SEP and L-Cit on diabetic cardiomyopathy and ischemia/reperfusion injury in obese type 2 diabetic mice. METHODS AND RESULTS Db/db and C57BLKS/J mice at 6 to 8 weeks of age received vehicle, SEP, or L-Cit orally alone or in combination for 8 weeks. Cardiac function was evaluated with echocardiography. Db/db mice displayed hyperglycemia, obesity, and normal blood pressure and cardiac function compared with C57BLKS/J mice at 6 to 8 weeks of age. After vehicle treatment for 8 weeks, db/db mice had reduced ejection fraction, mitral E/A ratio, endothelium-dependent relaxation of coronary arteries, tetrahydrobiopterin concentrations, ratio of endothelial nitric oxide synthase dimers/monomers, and nitric oxide levels compared with vehicle-treated C57BLKS/J mice. These detrimental effects of diabetes mellitus were abrogated by co-administration of SEP and L-Cit. Myocardial infarct size was increased, and coronary flow rate and ± dP/dt were decreased during reperfusion in vehicle-treated db/db mice subjected to ischemia/reperfusion injury compared with control mice. Co-administration of SEP and L-Cit decreased infarct size and improved coronary flow rate and cardiac function in both C57BLKS/J and db/db mice. CONCLUSIONS Co-administration of SEP and L-Cit limits diabetic cardiomyopathy and ischemia/reperfusion injury in db/db mice through a tetrahydrobiopterin/endothelial nitric oxide synthase/nitric oxide pathway.
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Affiliation(s)
- Shelley L Baumgardt
- From the Department of Anesthesiology (S.L.B., M.P., Z.J.B., D.C.W., J.R.K., Z.-D.G.), Department of Pediatrics (J.F.), Department of Medicine (D.X.Z.), Department of Physiology (Z.J.B.), and Department of Pharmacology and Toxicology (D.C.W., J.R.K.), Medical College of Wisconsin, Milwaukee; and Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD (T.M.L.)
| | - Mark Paterson
- From the Department of Anesthesiology (S.L.B., M.P., Z.J.B., D.C.W., J.R.K., Z.-D.G.), Department of Pediatrics (J.F.), Department of Medicine (D.X.Z.), Department of Physiology (Z.J.B.), and Department of Pharmacology and Toxicology (D.C.W., J.R.K.), Medical College of Wisconsin, Milwaukee; and Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD (T.M.L.)
| | - Thorsten M Leucker
- From the Department of Anesthesiology (S.L.B., M.P., Z.J.B., D.C.W., J.R.K., Z.-D.G.), Department of Pediatrics (J.F.), Department of Medicine (D.X.Z.), Department of Physiology (Z.J.B.), and Department of Pharmacology and Toxicology (D.C.W., J.R.K.), Medical College of Wisconsin, Milwaukee; and Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD (T.M.L.)
| | - Juan Fang
- From the Department of Anesthesiology (S.L.B., M.P., Z.J.B., D.C.W., J.R.K., Z.-D.G.), Department of Pediatrics (J.F.), Department of Medicine (D.X.Z.), Department of Physiology (Z.J.B.), and Department of Pharmacology and Toxicology (D.C.W., J.R.K.), Medical College of Wisconsin, Milwaukee; and Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD (T.M.L.)
| | - David X Zhang
- From the Department of Anesthesiology (S.L.B., M.P., Z.J.B., D.C.W., J.R.K., Z.-D.G.), Department of Pediatrics (J.F.), Department of Medicine (D.X.Z.), Department of Physiology (Z.J.B.), and Department of Pharmacology and Toxicology (D.C.W., J.R.K.), Medical College of Wisconsin, Milwaukee; and Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD (T.M.L.)
| | - Zeljko J Bosnjak
- From the Department of Anesthesiology (S.L.B., M.P., Z.J.B., D.C.W., J.R.K., Z.-D.G.), Department of Pediatrics (J.F.), Department of Medicine (D.X.Z.), Department of Physiology (Z.J.B.), and Department of Pharmacology and Toxicology (D.C.W., J.R.K.), Medical College of Wisconsin, Milwaukee; and Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD (T.M.L.)
| | - David C Warltier
- From the Department of Anesthesiology (S.L.B., M.P., Z.J.B., D.C.W., J.R.K., Z.-D.G.), Department of Pediatrics (J.F.), Department of Medicine (D.X.Z.), Department of Physiology (Z.J.B.), and Department of Pharmacology and Toxicology (D.C.W., J.R.K.), Medical College of Wisconsin, Milwaukee; and Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD (T.M.L.)
| | - Judy R Kersten
- From the Department of Anesthesiology (S.L.B., M.P., Z.J.B., D.C.W., J.R.K., Z.-D.G.), Department of Pediatrics (J.F.), Department of Medicine (D.X.Z.), Department of Physiology (Z.J.B.), and Department of Pharmacology and Toxicology (D.C.W., J.R.K.), Medical College of Wisconsin, Milwaukee; and Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD (T.M.L.)
| | - Zhi-Dong Ge
- From the Department of Anesthesiology (S.L.B., M.P., Z.J.B., D.C.W., J.R.K., Z.-D.G.), Department of Pediatrics (J.F.), Department of Medicine (D.X.Z.), Department of Physiology (Z.J.B.), and Department of Pharmacology and Toxicology (D.C.W., J.R.K.), Medical College of Wisconsin, Milwaukee; and Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD (T.M.L.).
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Lacchini R, Muniz JJ, Nobre YT, Cologna AJ, Martins AC, Tanus-Santos JE. Relationship between Arginase 1 and Arginase 2 levels and genetic polymorphisms with erectile dysfunction. Nitric Oxide 2015; 51:36-42. [DOI: 10.1016/j.niox.2015.10.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 10/23/2015] [Accepted: 10/26/2015] [Indexed: 12/27/2022]
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Capel F, Chabrier G, Pitois E, Rigaudière JP, Le Plenier S, Durand C, Jouve C, de Bandt JP, Cynober L, Moinard C, Morio B. Combining citrulline with atorvastatin preserves glucose homeostasis in a murine model of diet-induced obesity. Br J Pharmacol 2015; 172:4996-5008. [PMID: 26228176 DOI: 10.1111/bph.13269] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Revised: 05/26/2015] [Accepted: 07/25/2015] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND AND PURPOSE NO is a crucial regulator of energy and lipid metabolism, whose homeostasis is compromised during obesity. Combination of citrulline and atorvastatin potentiated NO production in vitro. Here we have assessed the effects of this combination in mice with diet-induced obesity (DIO). EXPERIMENTAL APPROACH C57BL/6J male mice were given a standard diet (control) or a high fat-high sucrose diet (DIO) for 8 weeks. DIO mice were then treated with DIO alone, DIO with citrulline, DIO with atorvastatin or DIO with citrulline and atorvastatin (DIOcit-stat) for 3 weeks. Thereafter, body composition, glucose tolerance, insulin sensitivity and liver fat metabolism were measured. KEY RESULTS DIOcit-stat mice showed lower body weight, fat mass and epididymal fat depots compared with other DIO groups. Unlike other DIO groups, glucose tolerance and insulin sensitivity of DIOcit-stat, along with blood glucose and insulin concentrations in response to feeding, were restored to control values. Refeeding-induced changes in liver lipogenic activity were also reduced in DIOcit-stat mice compared with those of DIO animals. This was associated with decreased gene expression of the transcription factor SREBP-1, liver X receptor α, ChREBP and of target lipogenic enzymes in the liver of DIOcit-stat mice compared with those of other DIO groups. CONCLUSIONS AND IMPLICATIONS The citrulline-atorvastatin combination prevented fat mass accumulation and maintained glucose homeostasis in DIO mice. Furthermore, it potentiated inhibition of hepatic de novo lipogenesis activity. This combination has potential for preservation of glucose homeostasis in patients receiving statin therapy.
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Affiliation(s)
- Frédéric Capel
- INRA, UMR 1019, UNH, CRNH Auvergne and Clermont University, Auvergne University, Human Nutrition Unit, Clermont-Ferrand, France
| | - Gwladys Chabrier
- INRA, UMR 1019, UNH, CRNH Auvergne and Clermont University, Auvergne University, Human Nutrition Unit, Clermont-Ferrand, France
| | - Elodie Pitois
- INRA, UMR 1019, UNH, CRNH Auvergne and Clermont University, Auvergne University, Human Nutrition Unit, Clermont-Ferrand, France
| | - Jean-Paul Rigaudière
- INRA, UMR 1019, UNH, CRNH Auvergne and Clermont University, Auvergne University, Human Nutrition Unit, Clermont-Ferrand, France
| | - Servane Le Plenier
- Laboratory of Nutrition Biology EA 4466, Paris-Descartes University, Paris, France
| | - Christine Durand
- INRA, UMR 1397, CarMeN Laboratory, Lyon 1 University, INSERM U1060, INSA of Lyon, Rockefeller and Charles Merieux Lyon-Sud Medical Universities, Lyon, France
| | - Chrystèle Jouve
- INRA, UMR 1019, UNH, CRNH Auvergne and Clermont University, Auvergne University, Human Nutrition Unit, Clermont-Ferrand, France
| | - Jean-Pascal de Bandt
- Laboratory of Nutrition Biology EA 4466, Paris-Descartes University, Paris, France.,Department of Clinical Chemistry, Cochin and Hotel-Dieu Hospitals, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Luc Cynober
- Laboratory of Nutrition Biology EA 4466, Paris-Descartes University, Paris, France.,Department of Clinical Chemistry, Cochin and Hotel-Dieu Hospitals, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Christophe Moinard
- Laboratory of Nutrition Biology EA 4466, Paris-Descartes University, Paris, France
| | - Béatrice Morio
- INRA, UMR 1019, UNH, CRNH Auvergne and Clermont University, Auvergne University, Human Nutrition Unit, Clermont-Ferrand, France.,INRA, UMR 1397, CarMeN Laboratory, Lyon 1 University, INSERM U1060, INSA of Lyon, Rockefeller and Charles Merieux Lyon-Sud Medical Universities, Lyon, France
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Arginase as a Critical Prooxidant Mediator in the Binomial Endothelial Dysfunction-Atherosclerosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:924860. [PMID: 26064427 PMCID: PMC4434223 DOI: 10.1155/2015/924860] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Accepted: 09/11/2014] [Indexed: 12/31/2022]
Abstract
Arginase is a metalloenzyme which hydrolyzes L-arginine to L-ornithine and urea. Since its discovery, in the early 1900s, this enzyme has gained increasing attention, as literature reports have progressively pointed to its critical participation in regulating nitric oxide bioavailability. Indeed, accumulating evidence in the following years would picture arginase as a key player in vascular health. Recent studies have highlighted the arginase regulatory role in the progression of atherosclerosis, the latter an essentially prooxidant state. Apart from the fact that arginase has been proven to impair different metabolic pathways, and also as a consequence of this, the repercussions of the actions of such enzyme go further than first thought. In fact, such metalloenzyme exhibits direct implications in multiple cardiometabolic diseases, among which are hypertension, type 2 diabetes, and hypercholesterolemia. Considering the epidemiological repercussions of these clinical conditions, arginase is currently seen under the spotlights of the search for developing specific inhibitors, in order to mitigate its deleterious effects. That said, the present review focuses on the role of arginase in endothelial function and its participation in the establishment of atherosclerotic lesions, discussing the main regulatory mechanisms of the enzyme, also highlighting the potential development of pharmacological strategies in related cardiovascular diseases.
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Bhatta A, Yao L, Toque HA, Shatanawi A, Xu Z, Caldwell RB, Caldwell RW. Angiotensin II-induced arterial thickening, fibrosis and stiffening involves elevated arginase function. PLoS One 2015; 10:e0121727. [PMID: 25807386 PMCID: PMC4373900 DOI: 10.1371/journal.pone.0121727] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Accepted: 02/03/2015] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Arterial stiffness (AS) is an independent risk factor for cardiovascular morbidity/mortality. Smooth muscle cell (SMC) proliferation and increased collagen synthesis are key features in development of AS. Arginase (ARG), an enzyme implicated in many cardiovascular diseases, can compete with nitric oxide (NO) synthase for their common substrate, L-arginine. Increased arginase can also provide ornithine for synthesis of polyamines via ornithine decarboxylase (ODC) and proline/collagen via ornithine aminotransferase (OAT), leading to vascular cell proliferation and collagen formation, respectively. We hypothesized that elevated arginase activity is involved in Ang II-induced arterial thickening, fibrosis, and stiffness and that limiting its activity can prevent these changes. METHODS AND RESULTS We tested this by studies in mice lacking one copy of the ARG1 gene that were treated with angiotensin II (Ang II, 4 weeks). Studies were also performed in rat aortic Ang II-treated SMC. In WT mice treated with Ang II, we observed aortic stiffening (pulse wave velocity) and aortic and coronary fibrosis and thickening that were associated with increases in ARG1 and ODC expression/activity, proliferating cell nuclear antigen, hydroxyproline levels, and collagen 1 protein expression. ARG1 deletion prevented each of these alterations. Furthermore, exposure of SMC to Ang II (1 μM, 48 hrs) increased ARG1 expression, ARG activity, ODC mRNA and activity, cell proliferation, collagen 1 protein expression and hydroxyproline content. Treatment with ABH prevented these changes. CONCLUSION Arginase 1 is crucially involved in Ang II-induced SMC proliferation and arterial fibrosis and stiffness and represents a promising therapeutic target.
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Affiliation(s)
- Anil Bhatta
- Department of Pharmacology and Toxicology, Georgia Regents University, Augusta, Georgia, United States of America
| | - Lin Yao
- Department of Pharmacology and Toxicology, Georgia Regents University, Augusta, Georgia, United States of America
| | - Haroldo A. Toque
- Department of Pharmacology and Toxicology, Georgia Regents University, Augusta, Georgia, United States of America
| | - Alia Shatanawi
- Department of Pharmacology and Toxicology, Georgia Regents University, Augusta, Georgia, United States of America
| | - Zhimin Xu
- Vascular Biology Center, Georgia Regents University, Augusta, Georgia, United States of America
| | - Ruth B. Caldwell
- Vascular Biology Center, Georgia Regents University, Augusta, Georgia, United States of America
- Charlie Norwood VA Medical Center, Augusta, Georgia, United States of America
| | - R. William Caldwell
- Department of Pharmacology and Toxicology, Georgia Regents University, Augusta, Georgia, United States of America
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Zhou L, Sun CB, Liu C, Fan Y, Zhu HY, Wu XW, Hu L, Li QP. Upregulation of arginase activity contributes to intracellular ROS production induced by high glucose in H9c2 cells. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:2728-2736. [PMID: 26045778 PMCID: PMC4440087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Accepted: 02/23/2015] [Indexed: 06/04/2023]
Abstract
Arginase is upregulated in some tissues under diabetes states. Arginase can compete with nitroxide synthase (NOS) for the common substrate L-arginine and thus increases oxidative stress by NOS uncoupling. We want to analyze whether arginase is upregulated and contribute to oxidative stress in H9c2 cells during high glucose treatment. H9c2 cells were cultured in normal or high glucose DMEM. Arginase activity increased in parallel with increased cell death and oxidative stress. Arginase inhibitor N ω-hydroxy-nor-l-arginine (nor-NOHA) and NOS inhibitor N ω-nitro-l-arginine methyl ester (L-NAME) could reverse these effects. Despite of upregulated NOS activity, NO production was impaired which could be preserved by nor-NOHA, suggesting a decreased substrate availability of NOS due to increased arginase activity. L-arginine supplementation decreased superoxide production while it could not protect cells from death. Upregulated arginase activity in H9c2 treated with high glucose can cause NOS uncoupling and subsequently reactive oxygen species augmentation and cell death. These findings suggest that arginase will be a novel therapeutic target for treatment of diabetic cardiomyopathy.
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Affiliation(s)
- Lu Zhou
- Department of Pharmacology, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing, P. R. China
| | - Chuan-Bo Sun
- Department of Pharmacology, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing, P. R. China
| | - Chao Liu
- Department of Pharmacology, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing, P. R. China
| | - Yue Fan
- Department of Pharmacology, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing, P. R. China
| | - Hong-Yi Zhu
- Department of Pharmacology, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing, P. R. China
| | - Xiao-Wei Wu
- Department of Pharmacology, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing, P. R. China
| | - Liang Hu
- Department of Pharmacology, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing, P. R. China
| | - Qing-Ping Li
- Department of Pharmacology, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing, P. R. China
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Gogna N, Krishna M, Oommen AM, Dorai K. Investigating correlations in the altered metabolic profiles of obese and diabetic subjects in a South Indian Asian population using an NMR-based metabolomic approach. MOLECULAR BIOSYSTEMS 2014; 11:595-606. [PMID: 25464928 DOI: 10.1039/c4mb00507d] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
It is well known that obesity/high body mass index (BMI) plays a key role in the evolution of insulin resistance and type-2 diabetes mellitus (T2DM). However, the exact mechanism underlying its contribution is still not fully understood. This work focuses on an NMR-based metabolomic investigation of the serum profiles of diabetic, obese South Indian Asian subjects. (1)H 1D and 2D NMR experiments were performed to profile the altered metabolic patterns of obese diabetic subjects and multivariate statistical methods were used to identify metabolites that contributed significantly to the differences in the samples of four different subject groups: diabetic and non-diabetic with low and high BMIs. Our analysis revealed that the T2DM-high BMI group has higher concentrations of saturated fatty acids, certain amino acids (leucine, isoleucine, lysine, proline, threonine, valine, glutamine, phenylalanine, histidine), lactic acid, 3-hydroxybutyric acid, choline, 3,7-dimethyluric acid, pantothenic acid, myoinositol, sorbitol, glycerol, and glucose, as compared to the non-diabetic-low BMI (control) group. Of these 19 identified significant metabolites, the levels of saturated fatty acids, lactate, valine, isoleucine, and phenylalanine are also higher in obese non-diabetic subjects as compared to control subjects, implying that this set of metabolites could be identified as potential biomarkers for the onset of diabetes in subjects with a high BMI. Our work validates the utility of NMR-based metabolomics in conjunction with multivariate statistical analysis to provide insights into the underlying metabolic pathways that are perturbed in diabetic subjects with a high BMI.
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Affiliation(s)
- Navdeep Gogna
- Indian Institute of Science Education & Research (IISER) Mohali, Knowledge City Sector 81, Mohali PO Manauli, 140306 Punjab, India.
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In vitro anti-inflammatory effects of citrulline on peritoneal macrophages in Zucker diabetic fatty rats. Br J Nutr 2014; 113:120-4. [PMID: 25391524 DOI: 10.1017/s0007114514002086] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
In type 2 diabetes (T2D) macrophage dysfunction increases susceptibility to infection and mortality. This may result from the associated decreased plasma concentration of arginine, an amino acid that plays an important role in immunity. In vitro, increasing arginine availability leads to an improvement in macrophage function; however, arginine supplementation in diabetic obese patients may be detrimental. The aim of the present study was to assess in vitro whether citrulline, an arginine precursor, could replace arginine in the regulation of macrophage function under a condition of diabetes and obesity. Peritoneal macrophages from diabetic obese or lean rats were incubated for 6 h in an arginine-free medium, in the presence of increasing citrulline concentrations (0·1, 0·5, 1 or 2 mmol/l). Cytokine and NO production was determined. Peritoneal macrophages from either lean or diabetic obese rats produced NO, and at higher levels in the cells from lean rats. In diabetic obese rats, TNF-α production decreased with increasing citrulline concentrations, but was higher than that in the cells from lean rats. In contrast, IL-6 production increased with increasing citrulline concentrations. The present experiment shows that citrulline is effectively used for NO production and regulates cytokine production in macrophages from diabetic obese rats. This effect warrants in vivo evaluation in T2D-related inflammation.
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