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Małujło-Balcerska E, Kumor-Kisielewska A, Śmigielski W. Leptin, resistin and fetuin a concentration as the potential useful biomarkers in stable COPD - An exploratory study. Cytokine 2023; 169:156275. [PMID: 37354646 DOI: 10.1016/j.cyto.2023.156275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/24/2023] [Accepted: 06/08/2023] [Indexed: 06/26/2023]
Abstract
Adipokines, which have pleiotropic activities, are known to be involved in inflammation as adipocytokines. The aim of the current study was to investigate selected adipocytokine levels in the serum of stable chronic obstructive pulmonary disease COPD patients and healthy controls, to assess a potential association between the investigated biomarkers and selected parameters and to conduct receiving operating curve (ROC) analysis. Twenty-five COPD patients and 30 healthy controls were enrolled in the current study. Serum levels of adiponectin, leptin, resistin, chemerin and fetuin A were measured using an enzyme-linked immunosorbent assay (ELISA) method. Both leptin and resistin concentrations were significantly elevated in COPD patients and differentiated them from control subjects. Fetuin A levels were lower in COPD patients and may be related to the disease. Further studies in larger cohorts are needed to confirm the findings of this exploratory study.
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Affiliation(s)
| | | | - Witold Śmigielski
- Department of Epidemiology, Cardiovascular Disease Prevention and Health Promotion, The Cardinal Stefan Wyszynski National Institute of Cardiology, Warsaw, Poland
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da Cunha AD, Silveira MN, Takahashi MES, de Souza EM, Mosci C, Ramos CD, Brambilla SR, Pericole FV, Prado CM, Mendes MCS, Carvalheira JBC. Adipose tissue radiodensity: A new prognostic biomarker in people with multiple myeloma. Nutrition 2021; 86:111141. [PMID: 33596528 DOI: 10.1016/j.nut.2021.111141] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 12/19/2020] [Accepted: 12/29/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Standard prognostic markers based on individual characteristics of individuals with multiple myeloma (MM) remain scarce. Body-composition features have often been associated with survival outcomes in different cancers. However, the association of adipose tissue radiodensity with MM prognosis has not yet, to our knowledge, been explored. METHODS Computed tomography at the third lumbar vertebra was used for body-composition analysis, including adipose tissue radiodensity, in 91 people with MM. Additionally, fludeoxyglucose F 18 (18F-FDG) positron emission tomography was used to assess adipose tissue 18F-FDG uptake. Proinflammatory cytokine and adipokine levels were measured. RESULTS Event-free survival and overall survival were both shorter in participants with high subcutaneous adipose tissue (SAT) radiodensity. Those in the highest SAT radiodensity tertile had an independently higher risk for both overall survival (hazard ratio, 4.55; 95% confidence interval, 1.26-16.44; Ptrend = 0.036) and event-free survival (hazard ratio, 3.08; 95% confidence interval, 1.02-9.27; Ptrend = 0.035). Importantly, higher SAT radiodensity was significantly correlated with increased 18F-FDG adipose tissue uptake and proinflammatory cytokine (tumor necrosis factor and interleukin-6) levels, and with decreased leptin levels. CONCLUSIONS SAT radiodensity may serve as a biomarker to predict host-related metabolic and proinflammatory milieu, which ultimately correlates with MM prognosis.
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Affiliation(s)
- Ademar Dantas da Cunha
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, Brazil; Hematology and Oncology Clinics, Cancer Hospital of Cascavel, União Oeste de Estudos e Combate ao Câncer (UOPECCAN), Cascavel, Brazil; Department of Internal Medicine, State University of Western Paraná (UNIOESTE), Cascavel, Brazil
| | - Marina Nogueira Silveira
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, Brazil
| | | | - Edna Marina de Souza
- Center of Biomedical Engineering, State University of Campinas (UNICAMP), Campinas, Brazil
| | - Camila Mosci
- Division of Nuclear Medicine, Department of Radiology, State University of Campinas (UNICAMP), Campinas, Brazil
| | - Celso Dario Ramos
- Division of Nuclear Medicine, Department of Radiology, State University of Campinas (UNICAMP), Campinas, Brazil
| | - Sandra Regina Brambilla
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, Brazil
| | - Fernando Vieira Pericole
- Hematology and Blood Transfusion Center, State University of Campinas (UNICAMP), Campinas, Brazil
| | - Carla M Prado
- Human Nutrition Research Unit, Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Maria Carolina Santos Mendes
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, Brazil
| | - José Barreto Campello Carvalheira
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, Brazil.
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da Cunha Júnior AD, Silveira MN, Takahashi MES, de Souza EM, Mosci C, Ramos CD, Brambilla SR, Pericole FV, Prado CM, Mendes MCS, Carvalheira JBC. Visceral adipose tissue glucose uptake is linked to prognosis in multiple myeloma patients: An exploratory study. Clin Nutr 2021; 40:4075-4084. [PMID: 33632534 DOI: 10.1016/j.clnu.2021.02.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 01/07/2021] [Accepted: 02/05/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS The use of computerized tomography to opportunistically assess body composition has highlighted abnormalities such as low muscle mass and high adiposity may be hidden conditions in cancer patients. However, the role of skeletal muscle (SM), subcutaneous (SAT) and visceral (VAT) adipose tissue glucose uptake measured by 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)-CT on patient prognostication is unclear. METHODS Patients with multiple myeloma (MM) with satisfactory image frame for assessing body composition and for semi-quantification of SM, SAT and VAT glucose uptakes were included. Plasmatic pro-inflammatory cytokine and adipokine levels were measured. RESULTS High VAT mean standardized uptake value (SUV) at baseline was associated with shorter event-free survival (EFS) (hazard ratio [HR]: 7.89; 95% confidence interval [CI], 1.58-39.30; P = 0.012) and overall survival (OS) (HR, 15.24; 95% CI, 2.69-86.30; P = 0.002) among patients with newly diagnosed MM, even after adjustment for covariates. The highest tertile of VAT SUV was significantly correlated with worse MM-EFS (HR for the highest vs the lowest tertile 3.71; 95% CI, 1.22-10.56; Ptrend = 0.035) and mortality (HR, 4.41; 95% CI, 1.28-12.77; Ptrend = 0.019). Notably, patients with higher VAT SUV presented with lower VAT area, VAT index, higher SAT SUV, and higher number of individuals with visceral obesity (all P < 0.01). Additionally, we found a negative correlation between VAT mean SUV with leptin (R2 = 0.20, P = 0.003); no correlations were detected between VAT mean SUV and resistin, tumor necrosis factor (TNF) or interleukin (IL)-6. CONCLUSIONS Functional VAT activity estimated by 18F-FDG PET-CT is a relevant prognostic factor in MM patients, specifically, a higher VAT SUV might be an early biomarker of cancer cachexia in these patients.
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Affiliation(s)
- Ademar Dantas da Cunha Júnior
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, University of Campinas (UNICAMP), Campinas, SP, Brazil; Hematology and Oncology Clinics, Cancer Hospital of Cascavel, União Oeste de Estudos e Combate ao Câncer (UOPECCAN), Cascavel, PR, Brazil; Department of Internal Medicine, State University of Western Paraná (UNIOESTE), Cascavel, PR, Brazil
| | - Marina Nogueira Silveira
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | | | - Edna Marina de Souza
- Center of Biomedical Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Camila Mosci
- Division of Nuclear Medicine, Department of Radiology, University of Campinas (UNICAMP), Campinas, Brazil
| | - Celso Dario Ramos
- Division of Nuclear Medicine, Department of Radiology, University of Campinas (UNICAMP), Campinas, Brazil
| | - Sandra Regina Brambilla
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | | | - Carla M Prado
- Human Nutrition Research Unit, Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Maria Carolina Santos Mendes
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - José Barreto Campello Carvalheira
- Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, University of Campinas (UNICAMP), Campinas, SP, Brazil.
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Veru-Lesmes F, Guay S, Shah JL, Schmitz N, Giguère CÉ, Joober R, Iyer SN, Malla AK. Adipose tissue dysregulation at the onset of psychosis: Adipokines and social determinants of health. Psychoneuroendocrinology 2021; 123:104915. [PMID: 33130407 DOI: 10.1016/j.psyneuen.2020.104915] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 09/25/2020] [Accepted: 10/04/2020] [Indexed: 12/11/2022]
Abstract
Recent evidence suggests that patients with psychotic disorders have metabolic disturbances (e.g., insulin resistance, dyslipidemia) at the onset of the disease and before antipsychotic exposure. Such disturbances are strongly associated with adipose tissue dysregulation. Measuring adipokines, the molecular mediators of adipose function, could provide a picture of the state of metabolic regulation at the onset of psychosis. The present study explores adipokine changes in a population of first-episode psychosis (FEP) patients with minimal prior exposure to antipsychotics. The effects of social determinants of health (childhood trauma and minority status) associated with both metabolic and psychotic disorders were studied as potential determinants of this phenomenon. Data was collected through the Signature project, a biobank of clinical, socio-demographic, and biological markers. Adipokines (leptin, adiponectin, resistin and chemerin) were measured in serum of FEP patients with minimal exposure to antipsychotics (N = 48) and controls (N = 39). Data were analyzed with univariate (t-tests) and multivariate (linear regression) statistical methods. Patients, compared to controls, had significantly higher levels of adiponectin and resistin, and significantly lower levels of leptin and chemerin. These results persisted after controlling for sex, waist-to-height ratio, childhood trauma, and visible minority status. Adiponectin and chemerin retained their effects after further controlling for tobacco and depression. Resistin increased with childhood trauma scores; chemerin was higher in visible minority patients. Adipose tissue dysfunction is present in FEP patients, before exposure to antipsychotics. Social determinants of health contribute to adipose (and metabolic) dysregulation in FEP, but may not be the main determinants of this relationship.
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Affiliation(s)
- Franz Veru-Lesmes
- Department of Psychiatry, McGill University, Montreal, Canada; Douglas Mental Health University Institute, Montreal, Canada; Prevention and Early Intervention Program for Psychosis, Montreal, Canada.
| | - Stéphane Guay
- Institut Universitaire en Santé Mentale de Montréal, Canada.
| | - Jai L Shah
- Department of Psychiatry, McGill University, Montreal, Canada; Douglas Mental Health University Institute, Montreal, Canada; Prevention and Early Intervention Program for Psychosis, Montreal, Canada
| | - Norbert Schmitz
- Department of Psychiatry, McGill University, Montreal, Canada; Douglas Mental Health University Institute, Montreal, Canada; Prevention and Early Intervention Program for Psychosis, Montreal, Canada
| | | | - Ridha Joober
- Department of Psychiatry, McGill University, Montreal, Canada; Douglas Mental Health University Institute, Montreal, Canada; Prevention and Early Intervention Program for Psychosis, Montreal, Canada
| | - Srividya N Iyer
- Department of Psychiatry, McGill University, Montreal, Canada; Douglas Mental Health University Institute, Montreal, Canada; Prevention and Early Intervention Program for Psychosis, Montreal, Canada
| | - Ashok K Malla
- Department of Psychiatry, McGill University, Montreal, Canada; Douglas Mental Health University Institute, Montreal, Canada; Prevention and Early Intervention Program for Psychosis, Montreal, Canada
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Fontes VS, Mateus K, Netto MP, Oliveira RMS, Machado-Coelho GLL, Cândido APC. Analysis of the chemerin and resistin adipokines in children and adolescents. ACTA ACUST UNITED AC 2020; 66:300-306. [PMID: 32520149 DOI: 10.1590/1806-9282.66.3.300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 10/10/2019] [Indexed: 11/22/2022]
Abstract
OBJECTIVES To compare the serum concentrations of adipokines resistin and chemerin in children and adolescents with eutrophic and overweight and to evaluate their relationship with anthropometric, biochemical, and blood pressure variables. METHODS a cross-sectional epidemiological study was conducted with 234 students enrolled in public elementary schools in the city of Juiz de Fora / MG. Anthropometric evaluation, biochemistry, and blood pressure measurement were performed. Statistical analyzes included the Student-t or Mann-Whitney tests, Pearson or Spearman correlation, used according to the distribution of the variables, and linear regression analysis, by means of the evaluation of the effect of the independent variables on the serum levels of chemerin and resistin, adjusted for age and sex. For the data analysis, SPSS® software version 21.0 and STATA® version 10.1 were used, assuming a significance level of 5%. RESULTS the concentrations of chemerin were higher in eutrophic individuals than in those with excess weight (p> 0.05). In contrast, levels of resistin were higher in the young with excess weight than in the eutrophic ones (p <0.05). In the multiple linear regression analysis, the levels of chemerin were associated with the values of resistin, systolic, and diastolic blood pressure. Resistance levels maintained association only with BMI and chemerin values. CONCLUSION the adipokines analyzed presented a distinct profile in the groups of children and adolescents with eutrophic and overweight.
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Affiliation(s)
- Vanessa S Fontes
- .Doutoranda em Saúde Coletiva, Departamento de Nutrição, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
| | - Kácia Mateus
- . Técnica em Nutrição, Departamento de Nutrição, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
| | - Michele P Netto
- . Docente, Departamento de Nutrição, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
| | - Renata M S Oliveira
- . Docente, Departamento de Nutrição, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
| | | | - Ana Paula C Cândido
- . Docente, Departamento de Nutrição, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
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Farbod M, Eizadi M, Rashidi M, Mirakhori Z. Effects of Aerobic Training With No Caloric Restriction on Serum Resistin and Lipid Profile in Inactive Overweight Women. INTERNATIONAL JOURNAL OF BASIC SCIENCE IN MEDICINE 2020. [DOI: 10.34172/ijbsm.2020.04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introduction: Obesity is a major risk factor for inflammation and cardiovascular diseases. We tried to assess whether 12 weeks of aerobic exercises affect serum resistin level and lipid profile in overweight females or not. Methods: For this purpose, 32 non-trained adult females with the mean age of 38 ± 7 years old and body mass index (BMI) of 32 ± 3 kg/m2 were randomly assigned to aerobic exercise (n=16) and control (n=16) groups. Twelve weeks of aerobic exercise program including 3 sessions weekly at 60-75% of maximum heart rate was considered. Fasting serum resistin level, lipid profile (total cholesterol [TC], low-density lipoprotein [LDL] and high-density lipoprotein [HDL] cholesterol, and triglyceride [TG]), and anthropometric indexes were measured and compared between the two groups before and after training. Results: Serum resistin, lipid profile markers, and anthropometrical indexes were not significantly different at baseline between the two groups (P>0.05). TG, TC, LDL, and serum resistin did not change significantly after the intervention in the exercise group (P>0.05). However, a significant increase in HDL (exercise: 46.3 ± 9.6 vs. 51.4 ± 8.5, P=0.011; control: 45.8 ± 7.9 vs. 46.8 ± 6.9 P=0.326) and a significant decrease in LDL/HDL ratio (exercise: 2.94 ± 0.12 vs. 2.47 ± 0.19, P=0.019; control: 3.14 ± 0.23 vs. 3.18 ± 0.63, P=0.265) were observed after the intervention. Other variables in the control group remained unchanged. Conclusion: Aerobic exercises had no impacts on the inflammatory profile but could improve lipid profile with an emphasis on HDL in adult obese women.
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Affiliation(s)
- Maryam Farbod
- Master of Science, Department of Physical Education and Sports Sciences, Parand Branch, Islamic Azad University, Tehran, Iran
| | - Mojtaba Eizadi
- Assistant Professor, Department of Exercise Physiology, Saveh Branch, Islamic Azad University, Saveh, Iran
| | - Mohammad Rashidi
- Assistant Professor, Department of Exercise Physiology, Semnan Branch, Islamic Azad University, Semnan, Iran
| | - Zahra Mirakhori
- Assistant Professor, Department of Physical Education and Sport Sciences, Amirkabir University of Technology, Tehran, Iran
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Bahadoran Z, Mirmiran P, Jeddi S, Carlström M, Azizi F, Ghasemi A. Circulating markers of nitric oxide homeostasis and cardiometabolic diseases: insights from population-based studies. Free Radic Res 2019; 53:359-376. [PMID: 30821533 DOI: 10.1080/10715762.2019.1587168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Emerging data suggest that impaired nitric oxide (NO) homeostasis has a key role in development of cardiometabolic disorders. The association between circulating levels of NO metabolites, i.e. nitrate and nitrite (NOx), and risk of chronic diseases has not yet been fully clarified. This work aims to address epidemiologic aspects of NO metabolism and discusses different physiologic and pathophysiologic conditions influencing circulating NOx. Further, cross-sectional associations of serum NOx with metabolic disorders are described and along the way, potential short-term and long-term power of serum NOx for predicting cardiometabolic outcomes are reviewed. Results from population-based studies show that circulating NOx is affected by aging, smoking habits, pregnancy, menopause status, thyroid hormones, and various pathologic conditions including type 2 diabetes, insulin resistance, hypertension, and renal dysfunction. Lifestyle factors, especially dietary habits, but also smoking habits and the degree of physical activity influence NO homeostasis and the circulating levels of NOx. Elevated serum NOx, due to increased iNOS activity, is associated with increased incidence of metabolic syndrome, different obesity phenotypes, and cardiovascular events.
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Affiliation(s)
- Zahra Bahadoran
- a Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Parvin Mirmiran
- b Department of Clinical Nutrition and Diet Therapy, Faculty of Nutrition Sciences and Food Technology , National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Sajad Jeddi
- c Endocrine Physiology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Mattias Carlström
- d Department of Physiology and Pharmacology , Karolinska Institutet , Stockholm , Sweden
| | - Fereidoun Azizi
- e Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Asghar Ghasemi
- c Endocrine Physiology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
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Cardoso AL, Fernandes A, Aguilar-Pimentel JA, de Angelis MH, Guedes JR, Brito MA, Ortolano S, Pani G, Athanasopoulou S, Gonos ES, Schosserer M, Grillari J, Peterson P, Tuna BG, Dogan S, Meyer A, van Os R, Trendelenburg AU. Towards frailty biomarkers: Candidates from genes and pathways regulated in aging and age-related diseases. Ageing Res Rev 2018; 47:214-277. [PMID: 30071357 DOI: 10.1016/j.arr.2018.07.004] [Citation(s) in RCA: 271] [Impact Index Per Article: 45.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 07/08/2018] [Accepted: 07/10/2018] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Use of the frailty index to measure an accumulation of deficits has been proven a valuable method for identifying elderly people at risk for increased vulnerability, disease, injury, and mortality. However, complementary molecular frailty biomarkers or ideally biomarker panels have not yet been identified. We conducted a systematic search to identify biomarker candidates for a frailty biomarker panel. METHODS Gene expression databases were searched (http://genomics.senescence.info/genes including GenAge, AnAge, LongevityMap, CellAge, DrugAge, Digital Aging Atlas) to identify genes regulated in aging, longevity, and age-related diseases with a focus on secreted factors or molecules detectable in body fluids as potential frailty biomarkers. Factors broadly expressed, related to several "hallmark of aging" pathways as well as used or predicted as biomarkers in other disease settings, particularly age-related pathologies, were identified. This set of biomarkers was further expanded according to the expertise and experience of the authors. In the next step, biomarkers were assigned to six "hallmark of aging" pathways, namely (1) inflammation, (2) mitochondria and apoptosis, (3) calcium homeostasis, (4) fibrosis, (5) NMJ (neuromuscular junction) and neurons, (6) cytoskeleton and hormones, or (7) other principles and an extensive literature search was performed for each candidate to explore their potential and priority as frailty biomarkers. RESULTS A total of 44 markers were evaluated in the seven categories listed above, and 19 were awarded a high priority score, 22 identified as medium priority and three were low priority. In each category high and medium priority markers were identified. CONCLUSION Biomarker panels for frailty would be of high value and better than single markers. Based on our search we would propose a core panel of frailty biomarkers consisting of (1) CXCL10 (C-X-C motif chemokine ligand 10), IL-6 (interleukin 6), CX3CL1 (C-X3-C motif chemokine ligand 1), (2) GDF15 (growth differentiation factor 15), FNDC5 (fibronectin type III domain containing 5), vimentin (VIM), (3) regucalcin (RGN/SMP30), calreticulin, (4) PLAU (plasminogen activator, urokinase), AGT (angiotensinogen), (5) BDNF (brain derived neurotrophic factor), progranulin (PGRN), (6) α-klotho (KL), FGF23 (fibroblast growth factor 23), FGF21, leptin (LEP), (7) miRNA (micro Ribonucleic acid) panel (to be further defined), AHCY (adenosylhomocysteinase) and KRT18 (keratin 18). An expanded panel would also include (1) pentraxin (PTX3), sVCAM/ICAM (soluble vascular cell adhesion molecule 1/Intercellular adhesion molecule 1), defensin α, (2) APP (amyloid beta precursor protein), LDH (lactate dehydrogenase), (3) S100B (S100 calcium binding protein B), (4) TGFβ (transforming growth factor beta), PAI-1 (plasminogen activator inhibitor 1), TGM2 (transglutaminase 2), (5) sRAGE (soluble receptor for advanced glycosylation end products), HMGB1 (high mobility group box 1), C3/C1Q (complement factor 3/1Q), ST2 (Interleukin 1 receptor like 1), agrin (AGRN), (6) IGF-1 (insulin-like growth factor 1), resistin (RETN), adiponectin (ADIPOQ), ghrelin (GHRL), growth hormone (GH), (7) microparticle panel (to be further defined), GpnmB (glycoprotein nonmetastatic melanoma protein B) and lactoferrin (LTF). We believe that these predicted panels need to be experimentally explored in animal models and frail cohorts in order to ascertain their diagnostic, prognostic and therapeutic potential.
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Luo J, Huang L, Wang A, Liu Y, Cai R, Li W, Zhou MS. Resistin-Induced Endoplasmic Reticulum Stress Contributes to the Impairment of Insulin Signaling in Endothelium. Front Pharmacol 2018; 9:1226. [PMID: 30416448 PMCID: PMC6212567 DOI: 10.3389/fphar.2018.01226] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 10/08/2018] [Indexed: 01/04/2023] Open
Abstract
Background: Endoplasmic reticulum (ER) stress plays an important role in the pathogenesis of obesity, insulin resistance and cardiovascular diseases (CVDs). Impairment of insulin vascular action may represent a mechanism linking insulin resistance and CVDs. The present study tested the hypothesis that adipocyte-derived resistin inhibits insulin-stimulated endothelial NO production through the induction of ER stress. Methods and Results: Human umbilical vein endothelial cells (HUVC) were incubated with tunicamycin (an inducer of ER stress, 1–20 μg/mL) or resistin (10–100 ng/mL) for 1 h. Either tunicamycin or resistin increased GRP78 (an ER stress marker) expression associated with the impairment of insulin-stimulated Akt/eNOS phosphorylation, which were prevented by TUDCA (an ER stress suppressor). Resistin increased reactive oxygen species (ROS) production, antioxidant treatment inhibited resistin-induced GRP78 expression and impairment of insulin Akt/eNOS signaling, suggesting that ROS may involve resistin-induced ER stress. Resistin also increased JNK phosphorylation, which was prevented by TUDCA. JNK inhibitor SP600125 relieved the resistin inhibitory effects on endothelial insulin Akt/eNOS signaling. In ex vivo experiments, the incubation of aortic rings with resistin impaired insulin- but not acetylcholine-induced vasodilation, which was restored by TUDCA. LNAME (a NOS inhibitor) abolished insulin-induced vasorelaxation in the control or the resistin-treated aortic rings. In addition, resistin increased the mRNA expressions of proinflammatory cytokines tumor nuclear factor (TNF)α and interleukin (IL)-1β, which were also prevented by TUDCA. Conclusion: Our results support the ideal that ER stress may play an important role for resistin impairment of vascular insulin signaling and insulin action. The mitigation of ER stress may represent a new strategy for prevention and treatment of CVDs in obesity and insulin resistant-related diseases.
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Affiliation(s)
- Jun Luo
- Department of Cardiology, Affiliated Ganzhou City Hospital, Nanchang University, Ganzhou, China
| | - Lei Huang
- Department of Physiology, Shenyang Medical University, Shenyang, China
| | - Aimei Wang
- Department of Physiology, Jinzhou Medical University, Jinzhou, China
| | - Yueyang Liu
- Department of Physiology, Shenyang Medical University, Shenyang, China
| | - Ruiping Cai
- Department of Physiology, Shenyang Medical University, Shenyang, China
| | - Weihong Li
- Department of Physiology, Jinzhou Medical University, Jinzhou, China
| | - Ming-Sheng Zhou
- Department of Physiology, Shenyang Medical University, Shenyang, China.,Department of Physiology, Jinzhou Medical University, Jinzhou, China
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Saeedi Borujeni MJ, Esfandiary E, Taheripak G, Codoñer‐Franch P, Alonso‐Iglesias E, Mirzaei H. Molecular aspects of diabetes mellitus: Resistin, microRNA, and exosome. J Cell Biochem 2017; 119:1257-1272. [PMID: 28688216 DOI: 10.1002/jcb.26271] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 07/07/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Mohammad Javad Saeedi Borujeni
- Department of Anatomical SCIENCES and Molecular BiologySchool of MedicineIsfahan University of Medical SciencesIsfahanIran
| | - Ebrahim Esfandiary
- Department of Anatomical SCIENCES and Molecular BiologySchool of MedicineIsfahan University of Medical SciencesIsfahanIran
| | - Gholamreza Taheripak
- Faculty of MedicineDepartment of BiochemistryIran University of Medical SciencesTehranIran
| | - Pilar Codoñer‐Franch
- Department of PediatricsObstetrics and GynecologyUniversity of ValenciaValenciaSpain
| | | | - Hamed Mirzaei
- Department of Medical BiotechnologySchool of MedicineMashhad University of Medical SciencesMashhadIran
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Camargos ACR, Mendonça VA, Andrade CAD, Oliveira KSC, Tossige-Gomes R, Rocha-Vieira E, Neves CDC, Vieira ÉLM, Leite HR, Oliveira MX, Júnior ALT, Coimbra CC, Lacerda ACR. Neuroendocrine Inflammatory Responses in Overweight/Obese Infants. PLoS One 2016; 11:e0167593. [PMID: 27907172 PMCID: PMC5132240 DOI: 10.1371/journal.pone.0167593] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2016] [Accepted: 11/16/2016] [Indexed: 12/24/2022] Open
Abstract
Childhood obesity is related to a cascade of neuroendocrine inflammatory changes. However, there remains a gap in the current literature regarding the possible occurrence of these changes in overweight/obese infants. The objective of this study was to evaluate adipokines, cortisol, brain-derived neurotrophic factor (BDNF) and redox status in overweight/obese infants versus normal-weight peers. A cross-sectional study was conducted with 50 infants (25 in the overweight/obese group and 25 in the normal-weight group) between 6 and 24 months. Plasma levels of leptin, adiponectin, resistin, soluble tumor necrosis factor (TNF) receptors, chemokines, BDNF, serum cortisol and redox status were measured. Unpaired Student's t-test was used to analyze the results and a probability of p<0.05 was acceptable for rejection of the null hypothesis. The Pearson correlation was used to verify the association between the biomarkers analyzed in each group. Plasma levels of leptin (p = 0.0001), adiponectin (p = 0.0007) and BDNF (p = 0.003), and serum cortisol (p = 0.048) were significantly higher in overweight/obese infants than normal-weight infants. In contrast, the concentration of thiobarbituric acid reactive substances (TBARS) (p = 0.004), and catalase (p = 0.045) and superoxide dismutase activity (p = 0.02) were lower in overweight/obese infants than normal-weight peers. All the results together indicate neuroendocrine inflammatory response changes in overweight/obese infants between 6 and 24 months. Although there is already an environment that predisposes for a subsequent pro-inflammatory response, neuroendocrine secretion changes that permit the control of the inflammatory process in this age interval can be observed.
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Affiliation(s)
- Ana Cristina Resende Camargos
- Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.,Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, Brazil
| | - Vanessa Amaral Mendonça
- Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.,Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, Brazil
| | - Camila Alves de Andrade
- Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | | | - Rosalina Tossige-Gomes
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, Brazil
| | - Etel Rocha-Vieira
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, Brazil
| | - Camila Danielle Cunha Neves
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, Brazil
| | | | - Hércules Ribeiro Leite
- Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.,Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, Brazil
| | - Murilo Xavier Oliveira
- Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | | | - Cândido Celso Coimbra
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Ana Cristina Rodrigues Lacerda
- Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.,Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, Brazil
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12
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Mantovani RM, Rocha NP, Magalhães DM, Barbosa IG, Teixeira AL, Simões E Silva AC. Early changes in adipokines from overweight to obesity in children and adolescents. J Pediatr (Rio J) 2016; 92:624-630. [PMID: 27504976 DOI: 10.1016/j.jped.2016.02.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 02/22/2016] [Accepted: 02/22/2016] [Indexed: 02/04/2023] Open
Abstract
OBJECTIVE Childhood obesity has been associated with metabolic syndrome and cardiovascular diseases. This study aimed to compare plasma levels of traditional metabolic markers, adipokines and soluble tumor necrosis factor receptor type 1 (sTNFR1) in overweight, obese and lean children. We also assessed the relationships of these molecules with classical metabolic risk factors. METHODS This study included 104 children and adolescents, which were grouped as: lean (n=24), overweight (n=30), and obese subjects (n=50). They were subjected to anthropometrical, clinical and laboratorial measurements. All measurements were compared between groups. Correlation analyses were also performed to evaluate the association between clinical data, traditional metabolic markers, adipokines and sTNFR1. RESULTS Fasting glucose, insulin, homeostatic model assessment of insulin resistance (HOMA-IR), LDL-cholesterol and triglycerides were comparable in lean, overweight and obese subjects. Plasma levels of sTNFR1 were similar in lean and overweight subjects, but significantly increased in obese group. Leptin, adiponectin and resistin levels did not differ when overweight were compared to obese subjects. However, all adipokines differed significantly when lean subjects were compared to overweight and obese individuals. Plasma levels of adiponectin were negatively correlated with body mass index (BMI), whereas leptin, resistin and sTNFR1 concentrations positively correlated with BMI. CONCLUSION Our results showed significant differences in circulating levels of the evaluated markers when lean, overweight and obese individuals were compared, suggesting that these biomarkers may change from lean to overweight and from overweight to obesity.
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Affiliation(s)
- Rafael Machado Mantovani
- Universidade Federal de Minas Gerais (UFMG), Faculdade de Medicina, Departamento de Pediatria, Belo Horizonte, MG, Brazil
| | - Natália Pessoa Rocha
- Universidade Federal de Minas Gerais (UFMG), Faculdade de Medicina, Laboratório Interdisciplinar de Investigação Médica, Belo Horizonte, MG, Brazil
| | - Daniel Massote Magalhães
- Universidade Federal de Minas Gerais (UFMG), Faculdade de Medicina, Laboratório Interdisciplinar de Investigação Médica, Belo Horizonte, MG, Brazil
| | - Izabela Guimarães Barbosa
- Universidade Federal de Minas Gerais (UFMG), Faculdade de Medicina, Laboratório Interdisciplinar de Investigação Médica, Belo Horizonte, MG, Brazil
| | - Antônio Lúcio Teixeira
- Universidade Federal de Minas Gerais (UFMG), Faculdade de Medicina, Laboratório Interdisciplinar de Investigação Médica, Belo Horizonte, MG, Brazil; Universidade Federal de Minas Gerais (UFMG), Faculdade de Medicina, Departamento de Clínica Médica, Belo Horizonte, MG, Brazil
| | - Ana Cristina Simões E Silva
- Universidade Federal de Minas Gerais (UFMG), Faculdade de Medicina, Departamento de Pediatria, Belo Horizonte, MG, Brazil; Universidade Federal de Minas Gerais (UFMG), Faculdade de Medicina, Laboratório Interdisciplinar de Investigação Médica, Belo Horizonte, MG, Brazil.
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13
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Mantovani RM, Rocha NP, Magalhães DM, Barbosa IG, Teixeira AL, Simões e Silva AC. Early changes in adipokines from overweight to obesity in children and adolescents. JORNAL DE PEDIATRIA (VERSÃO EM PORTUGUÊS) 2016. [DOI: 10.1016/j.jpedp.2016.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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14
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Oxidative stress and nitric oxide are increased in obese children and correlate with cardiometabolic risk and renal function. Br J Nutr 2016; 116:805-15. [PMID: 27480380 DOI: 10.1017/s0007114516002804] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Oxidative stress and nitric oxide (NO) appear to represent important links between obesity and cardiovascular, metabolic and/or renal disease. We investigated whether oxidative stress and NO production/metabolism are increased in overweight and obese prepubertal children and correlate with cardiometabolic risk and renal function. We performed a cross-sectional evaluation of 313 children aged 8-9 years. Anthropometrics, 24-h ambulatory blood pressure, pulse wave velocity (PWV), insulin resistance (homoeostasis model assessment index (HOMA-IR)), inflammatory/metabolic biomarkers, estimated glomerular filtration rate (eGFR), plasma total antioxidant status (TAS), plasma and urinary isoprostanes (P-Isop, U-Isop), urinary hydrogen peroxide (U-H2O2), and plasma and urinary nitrates and nitrites (P-NOx, U-NOx) were compared among normal weight, overweight and obese groups, according to WHO BMI z-score reference. U-Isop were increased in the obese group, whereas U-NOx were increased in both overweight and obese children. U-Isop were positively correlated with U-H2O2, myeloperoxidase (MPO), high-sensitivity C-reactive protein, HOMA-IR and TAG. TAS correlated negatively with U-Isop and MPO and positively with PWV. HOMA-IR and U-H2O2 were associated with higher U-Isop, independently of BMI and eGFR, and total cholesterol and U-H2O2 were associated with U-NOx, independently of BMI, eGFR values and P-NOx concentration. In overweight and obese children, eGFR decreased across P-NOx tertiles (median: 139·3 (25th, 75th percentile 128·0, 146·5), 128·0 (25th, 75th percentile 121·5, 140·4), 129·5 (25th, 75th percentile 119·4, 138·3), P for linear trend=0·003). We conclude that oxidant status and NO are increased in relation to fat accumulation and, even in young children, they translate into higher values of cardiometabolic risk markers and affect renal function.
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15
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Saad MI, Abdelkhalek TM, Saleh MM, Kamel MA, Youssef M, Tawfik SH, Dominguez H. Insights into the molecular mechanisms of diabetes-induced endothelial dysfunction: focus on oxidative stress and endothelial progenitor cells. Endocrine 2015; 50:537-67. [PMID: 26271514 DOI: 10.1007/s12020-015-0709-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Accepted: 07/25/2015] [Indexed: 12/13/2022]
Abstract
Diabetes mellitus is a heterogeneous, multifactorial, chronic disease characterized by hyperglycemia owing to insulin insufficiency and insulin resistance (IR). Recent epidemiological studies showed that the diabetes epidemic affects 382 million people worldwide in 2013, and this figure is expected to be 600 million people by 2035. Diabetes is associated with microvascular and macrovascular complications resulting in accelerated endothelial dysfunction (ED), atherosclerosis, and cardiovascular disease (CVD). Unfortunately, the complex pathophysiology of diabetic cardiovascular damage is not fully understood. Therefore, there is a clear need to better understand the molecular pathophysiology of ED in diabetes, and consequently, better treatment options and novel efficacious therapies could be identified. In the light of recent extensive research, we re-investigate the association between diabetes-associated metabolic disturbances (IR, subclinical inflammation, dyslipidemia, hyperglycemia, dysregulated production of adipokines, defective incretin and gut hormones production/action, and oxidative stress) and ED, focusing on oxidative stress and endothelial progenitor cells (EPCs). In addition, we re-emphasize that oxidative stress is the final common pathway that transduces signals from other conditions-either directly or indirectly-leading to ED and CVD.
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Affiliation(s)
- Mohamed I Saad
- Department of Biochemistry, Medical Research Institute, Alexandria University, Alexandria, Egypt.
- Hudson Institute of Medical Research, School of Clinical Sciences, Monash University, Melbourne, VIC, Australia.
| | - Taha M Abdelkhalek
- Department of Human Genetics, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Moustafa M Saleh
- Department of Human Genetics, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Maher A Kamel
- Department of Biochemistry, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Mina Youssef
- Department of Human Genetics, McGill University, Montreal, QC, Canada
| | - Shady H Tawfik
- Department of Molecular Medicine, University of Padova, Padua, Italy
| | - Helena Dominguez
- Department of Biomedical Sciences, Copenhagen University, Copenhagen, Denmark
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16
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Sypniewska G. Laboratory assessment of cardiometabolic risk in overweight and obese children. Clin Biochem 2015; 48:370-6. [DOI: 10.1016/j.clinbiochem.2014.12.024] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Revised: 12/23/2014] [Accepted: 12/24/2014] [Indexed: 01/22/2023]
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17
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Holčapek M, Červená B, Cífková E, Lísa M, Chagovets V, Vostálová J, Bancířová M, Galuszka J, Hill M. Lipidomic analysis of plasma, erythrocytes and lipoprotein fractions of cardiovascular disease patients using UHPLC/MS, MALDI-MS and multivariate data analysis. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 990:52-63. [PMID: 25855318 DOI: 10.1016/j.jchromb.2015.03.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Revised: 03/10/2015] [Accepted: 03/17/2015] [Indexed: 11/30/2022]
Abstract
Differences among lipidomic profiles of healthy volunteers, obese people and three groups of cardiovascular disease (CVD) patients are investigated with the goal to differentiate individual groups based on the multivariate data analysis (MDA) of lipidomic data from plasma, erythrocytes and lipoprotein fractions of more than 50 subjects. Hydrophilic interaction liquid chromatography on ultrahigh-performance liquid chromatography (HILIC-UHPLC) column coupled with electrospray ionization mass spectrometry (ESI-MS) is used for the quantitation of four classes of polar lipids (phosphatidylethanolamines, phosphatidylcholines, sphingomyelins and lysophosphatidylcholines), normal-phase UHPLC-atmospheric pressure chemical ionization MS (NP-UHPLC/APCI-MS) is applied for the quantitation of five classes of nonpolar lipids (cholesteryl esters, triacylglycerols, sterols, 1,3-diacylglycerols and 1,2-diacylglycerols) and the potential of matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) is tested for the fast screening of all lipids without a chromatographic separation. Obtained results are processed by unsupervised (principal component analysis) and supervised (orthogonal partial least squares) MDA approaches to highlight the largest differences among individual groups and to identify lipid molecules with the highest impact on the group differentiation.
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Affiliation(s)
- Michal Holčapek
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic.
| | - Blanka Červená
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
| | - Eva Cífková
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
| | - Miroslav Lísa
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
| | - Vitaliy Chagovets
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
| | - Jitka Vostálová
- Palacký University, Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, 77515 Olomouc, Czech Republic
| | - Martina Bancířová
- Palacký University, Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, 77515 Olomouc, Czech Republic
| | - Jan Galuszka
- University Hospital Olomouc, I. P. Pavlova 185/6, 77520 Olomouc, Czech Republic
| | - Martin Hill
- Institute of Endocrinology, Národní 8, 11694 Prague 1, Czech Republic
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18
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Codoñer-Franch P, Alonso-Iglesias E. Resistin: insulin resistance to malignancy. Clin Chim Acta 2014; 438:46-54. [PMID: 25128719 DOI: 10.1016/j.cca.2014.07.043] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Revised: 07/24/2014] [Accepted: 07/29/2014] [Indexed: 12/17/2022]
Abstract
Adipose tissue is recognized as an endocrine organ that secretes bioactive substances known as adipokines. Excess adipose tissue and adipose tissue dysfunction lead to dysregulated adipokine production that can contribute to the development of obesity-related co-morbidities. Among the various adipokines, resistin, which was initially considered as a determinant of the emergence of insulin resistance in obesity, has appeared as an important link between obesity and inflammatory processes. Several experimental and clinical studies have suggested an association between increased resistin levels and severe conditions associated with obesity such as cardiovascular disease and malignancies. In this review, we present the growing body of evidence that human resistin is an inflammatory biomarker and potential mediator of obesity-associated diseases. A common pathway seems to involve the combined alteration of immune and inflammatory processes that favor metabolic disturbances, atherosclerosis and carcinogenesis. The mode of action and the signaling pathways utilized by resistin in its interactions with target cells could involve oxidative and nitrosative stress. Therefore, resistin could function as a key molecule in the complications of obesity development and could potentially be used as a diagnostic and prognostic marker.
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Affiliation(s)
- Pilar Codoñer-Franch
- Department of Pediatrics, Dr. Peset University Hospital, Valencia 46017, Spain; Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, Valencia 46010, Spain.
| | - Eulalia Alonso-Iglesias
- Department of Biochemistry and Molecular Biology, University of Valencia, Valencia 46010, Spain
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19
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Rupérez AI, Gil A, Aguilera CM. Genetics of oxidative stress in obesity. Int J Mol Sci 2014; 15:3118-44. [PMID: 24562334 PMCID: PMC3958901 DOI: 10.3390/ijms15023118] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 02/12/2014] [Accepted: 02/12/2014] [Indexed: 12/18/2022] Open
Abstract
Obesity is a multifactorial disease characterized by the excessive accumulation of fat in adipose tissue and peripheral organs. Its derived metabolic complications are mediated by the associated oxidative stress, inflammation and hypoxia. Oxidative stress is due to the excessive production of reactive oxygen species or diminished antioxidant defenses. Genetic variants, such as single nucleotide polymorphisms in antioxidant defense system genes, could alter the efficacy of these enzymes and, ultimately, the risk of obesity; thus, studies investigating the role of genetic variations in genes related to oxidative stress could be useful for better understanding the etiology of obesity and its metabolic complications. The lack of existing literature reviews in this field encouraged us to gather the findings from studies focusing on the impact of single nucleotide polymorphisms in antioxidant enzymes, oxidative stress-producing systems and transcription factor genes concerning their association with obesity risk and its phenotypes. In the future, the characterization of these single nucleotide polymorphisms (SNPs) in obese patients could contribute to the development of controlled antioxidant therapies potentially beneficial for the treatment of obesity-derived metabolic complications.
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Affiliation(s)
- Azahara I Rupérez
- Department of Biochemistry and Molecular Biology II, Institute of Nutrition and Food Technology, Centre for Biomedical Research, University of Granada, 18100 Armilla, Granada, Spain
| | - Angel Gil
- Department of Biochemistry and Molecular Biology II, Institute of Nutrition and Food Technology, Centre for Biomedical Research, University of Granada, 18100 Armilla, Granada, Spain
| | - Concepción M Aguilera
- Department of Biochemistry and Molecular Biology II, Institute of Nutrition and Food Technology, Centre for Biomedical Research, University of Granada, 18100 Armilla, Granada, Spain.
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