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Yao C, Zhang H, Wang L, Li J. Correlation of serum Meteorin-like (Metrnl) level with type 2 diabetic peripheral neuropathy. BMC Endocr Disord 2024; 24:83. [PMID: 38849768 PMCID: PMC11162054 DOI: 10.1186/s12902-024-01616-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 05/29/2024] [Indexed: 06/09/2024] Open
Abstract
OBJECTIVE Meteorin-like (Metrnl), a secreted myokine, is a newly discovered neurotrophic factor. The aim of this study was to determine if there is a correlation between the Metrnl level and diabetic peripheral neuropathy (DPN). METHODS The investigation was conducted on a sample of 80 patients with type 2 diabetes mellitus (T2DM) and 60 healthy controls. The T2DM patients were categorized into two subgroups based on skin biopsy: the DPN subgroup (n = 20) and the diabetes without neuropathy subgroup (n = 60). RESULTS The T2DM groups had higher serum Metrnl concentrations compared with the controls. The serum Metrnl concentration was significantly lower in the DPN group than in T2DM patients without neuropathy. Logistic regression analysis demonstrated a notable correlation between serum Metrnl and DPN (OR: 0.997, 95% CI: 0.995-1.000, P < 0.05). Serum Metrnl level was negatively correlated with age and SBP after a simple logistic regression analysis. CONCLUSION Serum Metrnl concentration is independently correlated with DPN.
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Affiliation(s)
- Caixia Yao
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Endocrinology and Metabolism, Gaochun Hospital Affiliated to Jiangsu University, Nanjing, Jiangsu, China
| | - Hongman Zhang
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Endocrinology, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu, China
| | - Li Wang
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jianbo Li
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
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Shankar SS, Banarjee R, Jathar SM, Rajesh S, Ramasamy S, Kulkarni MJ. De novo structure prediction of meteorin and meteorin-like protein for identification of domains, functional receptor binding regions, and their high-risk missense variants. J Biomol Struct Dyn 2024; 42:4522-4536. [PMID: 37288801 DOI: 10.1080/07391102.2023.2220804] [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: 03/07/2023] [Accepted: 05/29/2023] [Indexed: 06/09/2023]
Abstract
Meteorin (Metrn) and Meteorin-like (Metrnl) are homologous secreted proteins involved in neural development and metabolic regulation. In this study, we have performed de novo structure prediction and analysis of both Metrn and Metrnl using Alphafold2 (AF2) and RoseTTAfold (RF). Based on the domain and structural homology analysis of the predicted structures, we have identified that these proteins are composed of two functional domains, a CUB domain and an NTR domain, connected by a hinge/loop region. We have identified the receptor binding regions of Metrn and Metrnl using the machine-learning tools ScanNet and Masif. These were further validated by docking Metrnl with its reported KIT receptor, thus establishing the role of each domain in the receptor interaction. Also, we have studied the effect of non-synonymous SNPs on the structure and function of these proteins using an array of bioinformatics tools and selected 16 missense variants in Metrn and 10 in Metrnl that can affect the protein stability. This is the first study to comprehensively characterize the functional domains of Metrn and Metrnl at their structural level and identify the functional domains, and protein binding regions. This study also highlights the interaction mechanism of the KIT receptor and Metrnl. The predicted deleterious SNPs will allow further understanding of the role of these variants in modulating the plasma levels of these proteins in disease conditions such as diabetes.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- S Shiva Shankar
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Reema Banarjee
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, India
| | - Swaraj M Jathar
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - S Rajesh
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, India
| | - Sureshkumar Ramasamy
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, India
| | - Mahesh J Kulkarni
- Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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3
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Chen J, Guo L, Wang C, Peng P, Wu J, Zhang H, Liu F, Li Q. Can irisin be developed as the molecular evolutionary clock based on the origin and functions? Gen Comp Endocrinol 2024; 352:114515. [PMID: 38582177 DOI: 10.1016/j.ygcen.2024.114515] [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] [Received: 10/09/2023] [Revised: 12/21/2023] [Accepted: 04/03/2024] [Indexed: 04/08/2024]
Abstract
Irisin, a myokine identified in 2012, has garnered research interest for its capacity to induce browning of adipocytes and improve metabolic parameters. As such, the potential therapeutic applications of this exercise-induced peptide continue to be explored. Though present across diverse animal species, sequence analysis has revealed subtle variation in the irisin protein. In this review, we consider the effects of irisin on disease states in light of its molecular evolution. We summarize current evidence for irisin's influence on pathologies and discuss how sequence changes may inform development of irisin-based therapies. Furthermore, we propose that the phylogenetic variations in irisin could potentially be leveraged as a molecular clock to elucidate evolutionary relationships.
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Affiliation(s)
- Junyu Chen
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China
| | - Lijun Guo
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China
| | - Chenglong Wang
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China
| | - Peng Peng
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China
| | - Jiaming Wu
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China
| | - Huaidong Zhang
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China; Engineering Research Center of Industrial Microbiology, Ministry of Education, PR China
| | - Feng Liu
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China; Engineering Research Center of Industrial Microbiology, Ministry of Education, PR China.
| | - Qin Li
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China; Engineering Research Center of Industrial Microbiology, Ministry of Education, PR China.
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Rentflejsz J, Wojszel ZB. Diabetes Mellitus Should Be Considered While Analysing Sarcopenia-Related Biomarkers. J Clin Med 2024; 13:1107. [PMID: 38398421 PMCID: PMC10889814 DOI: 10.3390/jcm13041107] [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: 12/11/2023] [Revised: 02/02/2024] [Accepted: 02/11/2024] [Indexed: 02/25/2024] Open
Abstract
Sarcopenia is a chronic, progressive skeletal muscle disease characterised by low muscle strength and quantity or quality, leading to low physical performance. Patients with type 2 diabetes mellitus (T2DM) are more at risk of sarcopenia than euglycemic individuals. Because of several shared pathways between the two diseases, sarcopenia is also a risk factor for developing T2DM in older patients. Various biomarkers are under investigation as potentially valuable for sarcopenia diagnosis and treatment monitoring. Biomarkers related to sarcopenia can be divided into markers evaluating musculoskeletal status (biomarkers specific to muscle mass, markers of the neuromuscular junction, or myokines) and markers assuming causal factors (adipokines, hormones, and inflammatory markers). This paper reviews the current knowledge about how diabetes and T2DM complications affect potential sarcopenia biomarker concentrations. This review includes markers recently proposed by the expert group of the European Society for the Clinical and Economic Aspects of Osteoporosis, Osteoarthritis and Musculoskeletal Diseases (ESCEO) as those that may currently be useful in phase II and III clinical trials of sarcopenia: myostatin (MSTN); follistatin (FST); irisin; brain-derived neurotrophic factor (BDNF); procollagen type III N-terminal peptide (PIIINP; P3NP); sarcopenia index (serum creatinine to serum cystatin C ratio); adiponectin; leptin; insulin-like growth factor-1 (IGF-1); dehydroepiandrosterone sulphate (DHEAS); C-reactive protein (CRP); interleukin-6 (IL-6), and tumor necrosis factor α (TNF-α). A better understanding of factors influencing these biomarkers' levels, including diabetes and diabetic complications, may lead to designing future studies and implementing results in clinical practice.
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Affiliation(s)
- Justyna Rentflejsz
- Doctoral School, Medical University of Bialystok, 15-089 Bialystok, Poland
- Department of Geriatrics, Medical University of Bialystok, 15-471 Bialystok, Poland;
| | - Zyta Beata Wojszel
- Department of Geriatrics, Medical University of Bialystok, 15-471 Bialystok, Poland;
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Kabakchieva P, Gateva A, Velikova T, Georgiev T, Yamanishi K, Okamura H, Kamenov Z. Meteorin-like Protein and Zonulin in Polycystic Ovary Syndrome: Exploring Associations with Obesity, Metabolic Parameters, and Inflammation. Biomedicines 2024; 12:222. [PMID: 38275393 PMCID: PMC10813337 DOI: 10.3390/biomedicines12010222] [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: 12/04/2023] [Revised: 12/30/2023] [Accepted: 01/07/2024] [Indexed: 01/27/2024] Open
Abstract
OBJECTIVE Polycystic ovary syndrome (PCOS) is a prevalent hormonal and metabolic disorder, wherein the adipose tissue and gut microbiome have been demonstrated to contribute to its pathogenesis. This study aims to assess the concentrations of the adipokine, meteorin-like protein (Metrnl) and the protein, zonulin, related to intestine permeability, in individuals with PCOS with a particular emphasis on their relationship with obesity, clinical manifestations, hormonal profiles, and metabolic parameters. METHODS A cohort comprising 58 women with PCOS, classified according to the Rotterdam criteria, was enrolled. The study also considered age, body mass index (BMI), and ethnicity-matched controls (n = 30). Comprehensive anthropometric and clinical evaluations, hormonal assays, and biochemical analyses were conducted during the follicular phase. Subsequent subgroup analyses were executed within the PCOS cohort based on waist-to-height ratio (WHtR), insulin resistance (IR), and free androgen index (FAI). Serum concentrations of Metrnl and zonulin were quantified via the enzyme-linked immunosorbent assay (ELISA) technique. RESULTS The Metrnl and zonulin levels exhibited no significant disparity between PCOS patients and controls. Nevertheless, within the entire participant cohort and the PCOS group exclusively, overweight/obese participants demonstrated higher Metrnl concentrations relative to their normal-weight counterparts (p < 0.001, p = 0.001, respectively). Furthermore, higher Metrnl concentrations were identified in subgroups characterized by high WHtR and IR in comparison to those with low WHtR (p = 0.001) and without IR (p = 0.001), respectively. A correlation emerged between Metrnl levels and various anthropometric and metabolic parameters, as well as sex-hormone-binding globulin (SHBG) and interleukin-18 (IL-18) within the PCOS group. Multiple linear regression analysis identified HOMA-IR as the sole independent predictor of Metrnl levels. CONCLUSION While Metrnl and zonulin levels do not serve as diagnostic indicators of PCOS, elevated Metrnl concentrations exhibited robust associations with proinflammatory and metabolic irregularities within the PCOS population.
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Affiliation(s)
- Plamena Kabakchieva
- Clinic of Internal Medicine, Naval Hospital, Military Medical Academy, 9010 Varna, Bulgaria;
| | - Antoaneta Gateva
- Clinic of Endocrinology, University Hospital “Alexandrovska”, Department of Internal Medicine, Medical Faculty, Medical University—Sofia, 1431 Sofia, Bulgaria; (A.G.); (Z.K.)
| | - Tsvetelina Velikova
- Medical Faculty, Sofia University “St. Kliment Ohridski”, 1504 Sofia, Bulgaria;
| | - Tsvetoslav Georgiev
- Clinic of Rheumatology, University Hospital “St. Marina”, First Department of Internal Medicine, Faculty of Medicine, Medical University—Varna, 9010 Varna, Bulgaria
| | - Kyosuke Yamanishi
- Department of Psychoimmunology, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan; (K.Y.); (H.O.)
- Department of Psychiatry, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan
| | - Haruki Okamura
- Department of Psychoimmunology, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan; (K.Y.); (H.O.)
| | - Zdravko Kamenov
- Clinic of Endocrinology, University Hospital “Alexandrovska”, Department of Internal Medicine, Medical Faculty, Medical University—Sofia, 1431 Sofia, Bulgaria; (A.G.); (Z.K.)
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Sun HY, Lin XY. Analysis of the management and therapeutic performance of diabetes mellitus employing special target. World J Diabetes 2023; 14:1721-1737. [PMID: 38222785 PMCID: PMC10784800 DOI: 10.4239/wjd.v14.i12.1721] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/31/2023] [Accepted: 10/23/2023] [Indexed: 12/14/2023] Open
Abstract
Diabetes mellitus (DM) is a chronic metabolic condition characterized predominantly by hyperglycemia. The most common causes contributing to the pathophysiology of diabetes are insufficient insulin secretion, resistance to insulin's tissue-acting effects, or a combination of both. Over the last 30 years, the global prevalence of diabetes increased from 4% to 6.4%. If no better treatment or cure is found, this amount might climb to 430 million in the coming years. The major factors of the disease's deterioration include age, obesity, and a sedentary lifestyle. Finding new therapies to manage diabetes safely and effectively without jeopardizing patient compliance has always been essential. Among the medications available to manage DM on this journey are glucagon-like peptide-1 agonists, thiazolidinediones, sulphonyl urease, glinides, biguanides, and insulin-targeting receptors discovered more than 10 years ago. Despite the extensive preliminary studies, a few clinical observations suggest this process is still in its early stages. The present review focuses on targets that contribute to insulin regulation and may be employed as targets in treating diabetes since they may be more efficient and secure than current and traditional treatments.
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Affiliation(s)
- Hong-Yan Sun
- Department of Endocrine and Metabolic Diseases, Yantaishan Hospital, Yantai 264003, Shandong Province, China
| | - Xiao-Yan Lin
- Department of Endocrine and Metabolic Diseases, Yantaishan Hospital, Yantai 264003, Shandong Province, China
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Ferrer-Curriu G, Rueda F, Revuelta-López E, García-García C, Codina P, Gálvez-Montón C, Roura S, Aimo A, Emdin M, Planavila A, Bayés-Genís A. Meteorin-like protein is associated with a higher risk profile and predicts a worse outcome in patients with STEMI. REVISTA ESPANOLA DE CARDIOLOGIA (ENGLISH ED.) 2023; 76:891-900. [PMID: 37105412 DOI: 10.1016/j.rec.2023.03.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 03/17/2023] [Indexed: 04/29/2023]
Abstract
INTRODUCTION AND OBJECTIVES Meteorin-like protein (Metrnl) is a cytokine involved in the attenuation of inflammation. In patients with heart failure, high levels of this biomarker are associated with a worse outcome. In this study, we evaluated the circulating levels and prognostic value of Metrnl in patients with ST-segment elevation myocardial infarction (STEMI). METHODS We enrolled STEMI patients undergoing primary percutaneous coronary intervention. Circulating Metrnl levels were measured in peripheral blood 12hours after symptom onset. The primary endpoint was a composite of all-cause mortality or nonfatal myocardial infarction (MI) at 3 years. RESULTS We studied 381 patients (mean age 61 years, 21% female, 8% Killip class III/IV). Metrnl levels were associated with age, cardiovascular risk factors and the extent of coronary artery disease, as well as with STEMI complications, particularly heart failure and cardiogenic shock. Multivariable Cox regression analysis revealed that Metrnl independently predicted all-cause death or nonfatal MI at 3 years (HR, 1.86; 95%CI, 1.23-2.81; P=.003). Moreover, patients in the highest tertile (> 491.6 pg/mL) were at higher risk for the composite endpoint than those in the lowest tertiles (HR, 3.24; 95%CI, 1.92-5.44; P <.001), even after adjustment by age, diabetes mellitus, cardiac arrest, Killip-Kimball III/IV class, left ventricular ejection fraction, and creatinine clearance (HR, 1.90; 95%CI, 1.10-3.29; P=.021). CONCLUSIONS Circulating Metrnl levels are associated with complications during the acute phase of STEMI and independently predict a worse outcome in these patients.
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Affiliation(s)
- Gemma Ferrer-Curriu
- ICREC Research Program, Institut de Recerca Germans Trias i Pujol (IGTP), Can Ruti Campus, Badalona, Barcelona, Spain
| | - Ferran Rueda
- Servicio de Cardiología, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain; Institut del Cor, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain
| | - Elena Revuelta-López
- ICREC Research Program, Institut de Recerca Germans Trias i Pujol (IGTP), Can Ruti Campus, Badalona, Barcelona, Spain; Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), Spain
| | - Cosme García-García
- Servicio de Cardiología, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain; Institut del Cor, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain; Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), Spain
| | - Pau Codina
- Servicio de Cardiología, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain; Institut del Cor, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain
| | - Carolina Gálvez-Montón
- ICREC Research Program, Institut de Recerca Germans Trias i Pujol (IGTP), Can Ruti Campus, Badalona, Barcelona, Spain; Institut del Cor, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain; Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), Spain
| | - Santiago Roura
- ICREC Research Program, Institut de Recerca Germans Trias i Pujol (IGTP), Can Ruti Campus, Badalona, Barcelona, Spain; Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), Spain; Facultat de Medicina, Universitat de Vic - Universitat Central de Catalunya (UVic-UCC), Vic, Barcelona, Spain
| | - Alberto Aimo
- Interdisciplinary Center of Health Science, Scuola Superiore Sant'Anna, Cardiology Division, Fondazione Toscana Gabriele Monasterio, Pisa, Italy
| | - Michele Emdin
- Interdisciplinary Center of Health Science, Scuola Superiore Sant'Anna, Cardiology Division, Fondazione Toscana Gabriele Monasterio, Pisa, Italy
| | - Anna Planavila
- Departament de Bioquímica i Biologia Molecular; Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, Spain; Centro de Investigación en Red de Fisiopatología de la Obesidad y Nutrición (CIBERON), Spain
| | - Antoni Bayés-Genís
- ICREC Research Program, Institut de Recerca Germans Trias i Pujol (IGTP), Can Ruti Campus, Badalona, Barcelona, Spain; Servicio de Cardiología, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain; Institut del Cor, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain; Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), Spain.
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Mathia VL, Mendonça MIS, Simões DP, Perez MM, Alves BDCA, Encinas JFA, Raimundo JRS, Arcia CGC, Murad N, Fonseca FLA, da Veiga GL. Relationship of irisin expression with metabolic alterations and cardiovascular risk in type 2 diabetes mellitus: a preliminary study. REVISTA DA ASSOCIACAO MEDICA BRASILEIRA (1992) 2023; 69:e20230812. [PMID: 37909533 PMCID: PMC10615221 DOI: 10.1590/1806-9282.20230812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 08/03/2023] [Indexed: 11/03/2023]
Abstract
OBJECTIVE The aim of this study was to investigate the role of irisin in type 2 diabetes mellitus and its association with metabolic alterations and obesity. METHODS A cross-sectional case-control study was conducted on participants treated at Centro Universitário FMABC between August 2018 and July 2019, by comparing a control group (n=14) with type 2 diabetes mellitus patients (n=16). The control group consisted of participants aged above 21 years with no chronic diseases, diabetes, smoking, or illicit drug use. The type 2 diabetes mellitus group included patients aged above 21 years, who were diagnosed with type 2 diabetes for at least 5 years (glycated hemoglobin>7%). Exclusion criteria were not willing to continue, recent hospitalization, and failure to meet inclusion criteria. Biochemical parameters included blood glucose, glycated hemoglobin, plasma irisin levels, and irisin gene expression in peripheral blood. RESULTS Type 2 diabetes mellitus patients exhibited significantly higher plasma glucose levels [143 (40) vs. 92 (13) mg/dL, *p<0.05] and glycated hemoglobin levels [7.1% (1.6) vs. 5.6% (0.5), *p<0.05] compared to the control group. Irisin gene expression in type 2 diabetes mellitus patients was lower 0.02288 (0.08050) than the control group 8.506e-006 (1.412e-005) (p=0.06). Correlation analysis revealed a positive association between irisin expression and body mass index in type 2 diabetes mellitus (Rho=0.5221, 95%CI -0.058 to 0.838, p=0.06), while plasma irisin showed a negative correlation with body mass index (Rho=-0.656, 95%CI -0.836 to 0.215, p=0.03). No significant correlations were found between plasma glucose or glycated hemoglobin levels and irisin expression. CONCLUSION The data suggests that body mass index directly influences plasma irisin levels and the regulation of irisin gene expression, possibly linking irisin to adiposity changes observed in obesity-related type 2 diabetes mellitus.
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Affiliation(s)
- Vanessa Lopes Mathia
- Centro Universitário FMABC, Clinical Analysis Laboratory – Santo André (SP), Brazil
| | | | - Diogo Pimenta Simões
- Centro Universitário FMABC, Clinical Analysis Laboratory – Santo André (SP), Brazil
| | | | | | | | | | | | - Neif Murad
- Centro Universitário FMABC, Clinical Analysis Laboratory – Santo André (SP), Brazil
| | - Fernando Luiz Affonso Fonseca
- Centro Universitário FMABC, Clinical Analysis Laboratory – Santo André (SP), Brazil
- Universidade Federal de São Paulo, Department of Pharmaceutical Sciences – Diadema (SP), Brazil
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Moradi N, Fadaei R, Roozbehkia M, Nourbakhsh M, Nourbakhsh M, Razzaghy-Azar M, Larijani B. Meteorin-like Protein and Asprosin Levels in Children and Adolescents with Obesity and Their Relationship with Insulin Resistance and Metabolic Syndrome. Lab Med 2023; 54:457-463. [PMID: 36762837 DOI: 10.1093/labmed/lmac152] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023] Open
Abstract
OBJECTIVE Two newly discovered adipokines, including Meteorin-like protein (Metrnl) and asprosin, have been implicated in glucose and insulin metabolism. This study aimed to investigate the associations of these adipokines with obesity in children and adolescents. METHODS This study was performed on 35 normal-weight children and 35 children with obesity. Anthropometric and biochemical parameters were determined. Serum concentrations of Metrnl, asprosin, and insulin were measured using enzyme-linked immunosorbent assay. RESULTS Metrnl level was significantly lower in obese children than normal-weight children. Additionally, Metrnl was negatively correlated with body mass index (BMI), insulin, waist-to-hip ratio, and homeostatic model assessment of insulin resistance (HOMA-IR). Our results also revealed that circulating asprosin levels were significantly increased in obese children compared to the control subjects and were positively correlated with BMI, insulin, HOMA-IR, cholesterol, and LDL-C. CONCLUSION Obesity is accompanied by significant alterations in Metrnl and asprosin and therefore these adipokines, especially Metrnl, are suggested as new promising therapeutic targets for obesity and its associated metabolic imbalances.
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Affiliation(s)
- Nariman Moradi
- Liver and Digestive Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
- Metabolic Disorders Research Center, Endocrinology and Metabolism, Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Fadaei
- Men's Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Roozbehkia
- Department of Medical Laboratory Science, Faculty of Allied Medical Sciences, Iran University of Medical Sciences, TehranIran
| | - Mitra Nourbakhsh
- Finetech in Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mona Nourbakhsh
- Hazrat Aliasghar Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Razzaghy-Azar
- Hazrat Aliasghar Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Metabolic Disorders Research Center, Endocrinology and Metabolism, Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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Duan Y, Li H, Luo D, Jiang J, Liu B, Li G. Serum IL-41 might be a biomarker for IVIG resistance and coronary artery lesions in Kawasaki disease. Int Immunopharmacol 2023; 122:110600. [PMID: 37423157 DOI: 10.1016/j.intimp.2023.110600] [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: 05/11/2023] [Revised: 06/11/2023] [Accepted: 07/01/2023] [Indexed: 07/11/2023]
Abstract
BACKGROUND This study aimed to evaluate serum IL-41 levels in IVIG resistance and CALs, and to elucidate the relationship between IL-41 and Kawasaki disease (KD)-related clinical parameters. METHODS 93 children with KD were collected. Baseline clinical data were obtained by physical examination. Serum IL-41 levels were detected with an enzyme-linked immunosorbent assay. The correlations between IL-41 and the clinical parameter of KD were performed by Spearman correlation coefficient. Receiver operating characteristic curve analysis was performed to assess the predictive ability of IL-41 for IVIG resistance and CALs. RESULTS Serum IL-41 levels were significantly increased in the IVIG resistance group compared with the response group, and serum IL-41 levels in the CALs group were higher than those in the non-CALs group. Serum IL-41 levels were positively correlated with erythrocyte sedimentation rate, C-reactive protein and C-reactive protein/albumin ratio, but negatively correlated with albumin. Serum IL-41 levels was an independent risk factor for CALs, and total fever days and neutrophil-to-lymphocyte ratio (NLR) were independent predictors for IVIG resistance. The area under the curve (AUC) value for serum IL-41 to predict IVIG resistance was 0.73, yielding a sensitivity of 54.55% and a specificity of 81.71%. The AUC of serum IL-41 was 0.712, with a sensitivity of 63.16% and a specificity of 72.97% for predicting CALs. IL-41 was not inferior to NLR in predicting IVIG resistance (z = 0.282, p = 0.7783). CONCLUSIONS Serum IL-41 was increased in IVIG resistance and CALs. Serum IL-41 might be a new potential biomarker for IVIG resistance and CALs.
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Affiliation(s)
- Yan Duan
- Department of Pediatrics, The Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Luzhou, Sichuan, China; Sichuan Clinical Research Center for Birth Defects, China
| | - Hui Li
- Department of Pediatrics, The Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Luzhou, Sichuan, China; Sichuan Clinical Research Center for Birth Defects, China
| | - Dinghua Luo
- Department of Pediatrics, The Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Luzhou, Sichuan, China; Sichuan Clinical Research Center for Birth Defects, China
| | - Jun Jiang
- Department of General Surgery (Thyroid Surgery), the Affiliated Hospital of Southwest Medical University, China; Metabolic Vascular Diseases Key Laboratory of Sichuan Province, China
| | - Bin Liu
- Department of Pediatrics, The Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Luzhou, Sichuan, China; Sichuan Clinical Research Center for Birth Defects, China.
| | - Gang Li
- Department of Pediatrics, The Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Luzhou, Sichuan, China; Sichuan Clinical Research Center for Birth Defects, China.
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11
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Nayebifar S, Nakhaei H, Kakhki ZB, Ghasemi E. Intermittent vs. continuous swimming training on adipokines and pro-inflammatory cytokines in metabolic syndrome experimental model. Horm Mol Biol Clin Investig 2023; 44:321-328. [PMID: 37587008 DOI: 10.1515/hmbci-2022-0004] [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: 01/06/2022] [Accepted: 01/23/2023] [Indexed: 08/18/2023]
Abstract
OBJECTIVES In this study, metabolic syndrome-affected rats were studied to examine how intermittent and continuous swimming training influenced adipokines and pro-inflammatory cytokines. METHODS Forty-eight male Wistar rats were randomized in this experimental study into four groups (n=8), including normal control (NC), metabolic syndrome (MS), continuous swimming training with metabolic syndrome (CT-MS: load 0-3% body mass, 5 d/wk, for 8 weeks), and intermittent swimming training with metabolic syndrome (IT-MS: load 5-16% body mass, 5 d/wk, for 8 weeks). The serum levels of metrnl, adipolin, irisin, leptin, TNF-α, and IL-6 were measured using the ELISA test. RESULTS The IT-MS and NC groups exhibited significantly lower leptin concentrations than the CT-MS group (p=0.001). The irisin, meteorin, and adipolin serum levels increased significantly in CT-MS and IT relative to the NC and CT-MS groups (p=0.001), with the changes being more pronounced in the IT group (p=0.05). TNF-α and IL-6 were inclined in the CT-MS group compared with the other three groups (p=0.001), while IL-6 was increased in the IT group (p=0.024). CONCLUSIONS Intermittent swimming is more effective than continuous swimming training in improving adipokines in rats with metabolic syndrome.
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Affiliation(s)
- Shila Nayebifar
- Department of Sport Sciences, Faculty of Educational Sciences and Psychology, University of Sistan and Baluchestan, Zahedan, Iran
| | - Hossein Nakhaei
- Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
| | | | - Elham Ghasemi
- Department of Sport Sciences, Faculty of Literature and Humanities, University of Zabol, Zabol, Iran
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12
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Serum interleukin-38 and -41 levels as candidate biomarkers in male infertility. Immunol Lett 2023; 255:47-53. [PMID: 36870420 DOI: 10.1016/j.imlet.2023.02.009] [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: 11/16/2022] [Revised: 02/25/2023] [Accepted: 02/26/2023] [Indexed: 03/06/2023]
Abstract
BACKGROUND Interleukin (IL)-38 and IL-41 are novel cytokines, but their role in male infertility (MI) is unknown. The purpose of this study was to measure the levels of serum IL-38 and IL-41 in patients with MI and correlate these levels with semen indexes. METHODS Eighty-two patients with MI and 45 healthy controls (HC) were recruited for this study. Semen parameters were detected using computer-aided sperm analysis, Papanicolaou staining, ELISA, flow cytometry, peroxidase staining and enzyme methods. Serum IL-38 and IL-41 levels were determined by ELISA. RESULTS Serum IL-38 levels were decreased (P < 0.01) in patients with MI compared with HC. Serum IL-41 levels were significantly higher in patients with MI than in HC (P < 0.0001). In patients with MI, serum IL-38 levels were positively correlated with semen white blood cell counts (r = 0.29, P = 0.009), and there was a positive correlation between semen white blood cell counts and sperm concentration (r = 0.28, P = 0.0100) and seminal plasma elastase (r = 0.67, P < 0.0001). Receiver operating characteristic curve analysis showed that the area under the curve of IL-38 for diagnosing MI was 0.5637 (P > 0.05), and the area under the curve of IL-41 for diagnosing MI was 0.7646 (P < 0.0001). CONCLUSIONS Serum IL-38 levels were significantly lower, and serum IL-41 levels were higher in patients with MI. These results suggest that IL-38 and IL-41 may be novel biomarkers for the diagnosis of MI.
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Dhankhar S, Chauhan S, Mehta DK, Saini K, Saini M, Das R, Gupta S, Gautam V. Novel targets for potential therapeutic use in Diabetes mellitus. Diabetol Metab Syndr 2023; 15:17. [PMID: 36782201 PMCID: PMC9926720 DOI: 10.1186/s13098-023-00983-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 01/11/2023] [Indexed: 02/15/2023] Open
Abstract
Future targets are a promising prospect to overcome the limitation of conventional and current approaches by providing secure and effective treatment without compromising patient compliance. Diabetes mellitus is a fast-growing problem that has been raised worldwide, from 4% to 6.4% (around 285 million people) in past 30 years. This number may increase to 430 million people in the coming years if there is no better treatment or cure is available. Ageing, obesity and sedentary lifestyle are the key reasons for the worsening of this disease. It always had been a vital challenge, to explore new treatment which could safely and effectively manage diabetes mellitus without compromising patient compliance. Researchers are regularly trying to find out the permanent treatment of this chronic and life threatening disease. In this journey, there are various treatments available in market to manage diabetes mellitus such as insulin, GLP-1 agonist, biguanides, sulphonyl ureas, glinides, thiazolidinediones targeting the receptors which are discovered decade before. PPAR, GIP, FFA1, melatonin are the recent targets that already in the focus for developing new therapies in the treatment of diabetes. Inspite of numerous preclinical studies very few clinical data available due to which this process is in its initial phase. The review also focuses on the receptors like GPCR 119, GPER, Vaspin, Metrnl, Fetuin-A that have role in insulin regulation and have potential to become future targets in treatment for diabetes that may be effective and safer as compared to the conventional and current treatment approaches.
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Affiliation(s)
- Sanchit Dhankhar
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed To Be University), Mullana, Ambala, 133207, Haryana, India
- Chitkara College of Pharmacy, Chitkara University, Rajpura, 140401, Punjab, India
| | - Samrat Chauhan
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed To Be University), Mullana, Ambala, 133207, Haryana, India
- Chitkara College of Pharmacy, Chitkara University, Rajpura, 140401, Punjab, India
| | - Dinesh Kumar Mehta
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed To Be University), Mullana, Ambala, 133207, Haryana, India
| | - Kamal Saini
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed To Be University), Mullana, Ambala, 133207, Haryana, India
| | - Monika Saini
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed To Be University), Mullana, Ambala, 133207, Haryana, India
| | - Rina Das
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed To Be University), Mullana, Ambala, 133207, Haryana, India
| | - Sumeet Gupta
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed To Be University), Mullana, Ambala, 133207, Haryana, India.
| | - Vinod Gautam
- Department of Pharmaceutical Sciences, IES Institute of Pharmacy, IES University, Bhopal, India
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14
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Li Z, Gao Z, Sun T, Zhang S, Yang S, Zheng M, Shen H. Meteorin-like/Metrnl, a novel secreted protein implicated in inflammation, immunology, and metabolism: A comprehensive review of preclinical and clinical studies. Front Immunol 2023; 14:1098570. [PMID: 36911663 PMCID: PMC9998503 DOI: 10.3389/fimmu.2023.1098570] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 02/10/2023] [Indexed: 02/26/2023] Open
Abstract
Meteorin-like, also known as Metrnl, Meteorin-β, Subfatin, and Cometin, is a novel secreted protein exerting pleiotropic effects on inflammation, immunology, and metabolism. Earlier research on this hormone focused on regulating energy expenditure and glucose homeostasis. Consequently, several studies attempted to characterize the molecule mechanism of Metrnl in glucose metabolism and obesity-related disorders but reported contradictory clinical results. Recent studies gradually noticed its multiple protective functions in inflammatory immune regulations and cardiometabolic diseases, such as inducing macrophage activation, angiogenesis, tissue remodeling, bone formation, and preventing dyslipidemias. A comprehensive understanding of this novel protein is essential to identify its significance as a potential therapeutic drug or a biomarker of certain diseases. In this review, we present the current knowledge on the physiology of Metrnl and its roles in inflammation, immunology, and metabolism, including animal/cell interventional preclinical studies and human clinical studies. We also describe controversies regarding the data of circulation Metrnl in different disease states to determine its clinical application better.
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Affiliation(s)
- Zhuoqi Li
- Department of Rheumatology and Immunology, The First Hospital of China Medical University, China Medical University, Shen Yang, China
| | - Ziyu Gao
- Department of Thyroid Surgery, The First Hospital of China Medical University, China Medical University, Shen Yang, China
| | - Tao Sun
- Department of Rheumatology and Immunology, The First Hospital of China Medical University, China Medical University, Shen Yang, China
| | - Shipeng Zhang
- Department of Rheumatology and Immunology, The First Hospital of China Medical University, China Medical University, Shen Yang, China
| | - Shengnan Yang
- Department of Rheumatology and Immunology, The First Hospital of China Medical University, China Medical University, Shen Yang, China
| | - Meilin Zheng
- Department of Rheumatology and Immunology, The First Hospital of China Medical University, China Medical University, Shen Yang, China
| | - Hui Shen
- Department of Rheumatology and Immunology, The First Hospital of China Medical University, China Medical University, Shen Yang, China
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15
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CAVLİ C, ÖNALAN E, YAKAR B, DÖNDER E, BURAN İ, ÖNALAN E. Low serum levels of meteorin-like/subfatin is related to obesity and insulin resistance. FAMILY PRACTICE AND PALLIATIVE CARE 2022. [DOI: 10.22391/fppc.1130758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Introduction: Meteorin-like (Metrnl), also known as subfatin is a newly discovered adipokine of adipocyte origin that may play a role in obesity and insulin resistance. The current study aimed to investigate the association between subfatin and biochemical values, demographic characteristics, and insulin resistance in obese patients and healthy controls.Methods: This cross-sectional study included 59 obese patients with sex and age-matched group of 41 healthy controls. An enzyme-linked immunosorbent assay (ELISA) was used to measure the serum levels of Subfatin (Metrnl), and the correlations of Metrnl level with anthropometric parameters, HOMA index, and biochemical measurements were assessed.Results: The levels of BMI (p<0.001), insulin (p=0.002), and HOMA-IR score (p<0.001) were significantly higher in obese patients than controls. The serum levels of Subfatin were found to be lower in obese patients (1.85 [1.35–5.51] ng/ml) compared to the healthy controls (21.82 [12.61–27.76] ng/ml) (p<0.001). Subfatin had a significantly negative relationship with age (r =-0.250, p=0.012), weight (r =-0.373, p=0.001), BMI (r =-0.492, p=0.001), HbA1c (r =-0.209, p=0.037), LDL (r =-0.264, p=0.008), HOMA-IR (r =-0.223, p=0.026), and glucose (r =-0.376, p<0.001). There was a significantly positive correlation between subfatin and height (r=0.321, p=0.001).Conclusion: These results show that levels of subfatin were decreased in obese patients. There is a relationship between circulating amounts of subfatin hormone and age, weight, height, LDL-cholesterol, glucose, hbA1c, and HOMA-IR. Subfatin might be a new biomarker of obesity and insulin resistance.Keywords: Meteorin-like/subfatin, adiposity, insulin resistance, adipokines, biomarkers, diabetes mellitus type 2
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Affiliation(s)
| | | | - Burkay YAKAR
- Department of Family Medicine, School of Medicine, Firat University, Elazig
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16
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Khajebishak Y, Faghfouri AH, Soleimani A, Madani S, Payahoo L. Exploration of meteorin-like peptide (metrnl) predictors in type 2 diabetic patients: the potential role of irisin, and other biochemical parameters. Horm Mol Biol Clin Investig 2022:hmbci-2022-0037. [PMID: 36181729 DOI: 10.1515/hmbci-2022-0037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 08/21/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Meteorin-like peptide (Metrnl), the newly discovered adipokines involves in glucose and lipid metabolism and energy homeostasis. The aim of the present study was to explore the potential predictors of Metrnl by emphasizing the Irisin, glycemic indices, and lipid profile biomarkers in type 2 diabetic patients. METHODS This cross-sectional study was carried out on 32 obese types 2 diabetic patients, 31 healthy obese, and 30 healthy normal weight people between August 2020 and March 2021. Serum Metrnl and Irisin, fasting blood glucose (FBS), fasting insulin (FI), fasting insulin (FI), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), total cholesterol (TC), HbA1c and eAG levels were measured in a standard manner. To assay insulin resistance and insulin sensitivity, the homeostatic model assessment insulin resistance (HOMA-IR) and quantitative check index (QUICKI) model were used. Quantile regression analysis with the backward elimination method was used to explore predictors. The significant level was defined as p<0.05. RESULTS Between variables entered into the model, only the group item showed to be the main predictor of Metrnl in type 2 diabetic patients. Besides, the serum level of Irisin was lower in diabetic patients, and a significant difference was detected between obese diabetic patients and the normal weight group (p=0.024). CONCLUSIONS Given the multi-causality of diabetes and also the possible therapeutic role of Metrnl in the management of type 2 diabetic patients' abnormalities, designing future studies are needed to discover other predictors of Metrnl and the related mechanisms of Metrnl in the management of diabetes.
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Affiliation(s)
- Yaser Khajebishak
- Department of Nutrition and Food Sciences, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Amir Hossein Faghfouri
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Maternal and Childhood Obesity Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Ali Soleimani
- Department of Public Health, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Sadra Madani
- Department of Nutrition and Food Sciences, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Laleh Payahoo
- Department of Nutrition and Food Sciences, Maragheh University of Medical Sciences, Maragheh, Iran
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Gong L, Huang G, Weng L, Xu J, Li Y, Cui W, Li M. Decreased serum interleukin-41/Metrnl levels in patients with Graves' disease. J Clin Lab Anal 2022; 36:e24676. [PMID: 36036749 PMCID: PMC9550969 DOI: 10.1002/jcla.24676] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 07/31/2022] [Accepted: 08/15/2022] [Indexed: 12/03/2022] Open
Abstract
Background Interleukin (IL)‐41, also known as Metrnl, is a novel immunomodulatory cytokine, which is involved in the pathogenesis of many inflammatory and metabolic diseases, but its role in thyroid autoimmune diseases is not clear. The aim of this study was to evaluate the serum IL‐41 levels in patients with Graves' disease (GD) and its relationship with GD. Methods This study included a total of 49 GD patients and 47 age‐ and sex‐matched healthy individuals. All baseline data were obtained by physical examination. Free triiodothyronine 3 (FT3), free triiodothyronine 4 (FT4), thyroid‐stimulating hormone (TSH), anti‐thyroglobulin antibodies (TgAb), thyroid peroxidase antibody (TPOAb), and thyrotropin receptor antibody (TRAb) levels in plasma of GD patients were measured by chemiluminescence. The high‐sensitivity C‐reactive protein (CRP) and white blood cell count (WBC) were detected using automated biochemical analyzer. Serum IL‐41 levels were measured by enzyme‐linked immunosorbent assay. Results Serum IL‐41 levels in patients with GD were significantly lower than those in healthy controls (201.0 vs. 260.8 pg/mL, p < 0.05). There was a significant positive correlation between IL‐41 level and CRP (r = 0.2947, p = 0.0385) and WBC (r = 0.4104, p = 0.0034) in GD patients. CRP was positively correlated with TRAb (r = 0.2874, p = 0.0452) and TSH (r = 0.3651, p = 0.0099) levels in GD patients. Conclusions This study demonstrates that GD patients have decreased serum IL‐41 levels, and IL‐41 plays a potential role in abnormal immune response of GD patients.
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Affiliation(s)
- Luping Gong
- The Affiliated Hospital of Medical SchoolNingbo UniversityNingboChina
- Zhejiang Key Laboratory of PathophysiologyNingbo University School of MedicineNingboChina
| | - Guoqing Huang
- The Affiliated Hospital of Medical SchoolNingbo UniversityNingboChina
- Zhejiang Key Laboratory of PathophysiologyNingbo University School of MedicineNingboChina
| | - Linjie Weng
- Zhejiang Key Laboratory of PathophysiologyNingbo University School of MedicineNingboChina
| | - Jialu Xu
- The Affiliated Lihuili Hospital, Ningbo UniversityNingboChina
| | - Yan Li
- The Affiliated Hospital of Medical SchoolNingbo UniversityNingboChina
- Zhejiang Key Laboratory of PathophysiologyNingbo University School of MedicineNingboChina
| | - Wugeng Cui
- The Affiliated Hospital of Medical SchoolNingbo UniversityNingboChina
- Zhejiang Key Laboratory of PathophysiologyNingbo University School of MedicineNingboChina
| | - Mingcai Li
- The Affiliated Hospital of Medical SchoolNingbo UniversityNingboChina
- Zhejiang Key Laboratory of PathophysiologyNingbo University School of MedicineNingboChina
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Jamal MH, AlOtaibi F, Dsouza C, Al-Sabah S, Al-Khaledi G, Al-Ali W, Ali H, Cherian P, Al-Khairi I, Devarajan S, Abu-Farha M, Al-Mulla F, Abubaker J. Changes in the expression of meteorin-like (METRNL), irisin (FNDC5), and uncoupling proteins (UCPs) after bariatric surgery. Obesity (Silver Spring) 2022; 30:1629-1638. [PMID: 35844163 DOI: 10.1002/oby.23473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 04/15/2022] [Accepted: 04/19/2022] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Bariatric surgery is currently the most effective treatment for severe obesity. This study aims to investigate the changes in expression levels of meteorin-like protein (METRNL), irisin (FNDC5), and uncoupling proteins (UCP) 1/2/3 following bariatric surgery to understand their involvement in enhancing metabolism after surgery. METHOD A total of 40 participants were enrolled in this interventional study, 20 with obesity BMI ≥ 35 kg/m2 and 20 with BMI ≤ 25 kg/m2 . Bariatric surgery (laparoscopic sleeve gastrectomy and Roux-en-Y gastric bypass) was performed. The levels of various molecules of interest were analyzed before and after surgery. RESULTS Gene expression analysis revealed significantly higher levels of METRNL, UCP1, and UCP3 in individuals with obesity when compared with healthy individuals before surgery (p < 0.05). Gene expression levels of METRNL and UCP2 showed a significant increase after bariatric surgery (p < 0.05). METRNL plasma level was significantly higher in individuals with obesity before surgery (mean [SEM], 55,222.6 [1,421.1] pg/mL, p = 0.0319), as well as at 6 and 12 months (57,537.3 [1,303.9] pg/mL, p = 0.0005; 59,334.9 [1,214.3] pg/mL, p < 0.0001) after surgery. CONCLUSION The changes in the levels of various molecules of interest support their possible involvement in the inflammatory and thermogenic responses following bariatric surgery.
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Affiliation(s)
- Mohammad H Jamal
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
- Department of Organ Transplant, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
- Department of Surgery, Jaber Al-Ahmed Hospital, Kuwait City, Kuwait
| | - Fatemah AlOtaibi
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Carol Dsouza
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Suleiman Al-Sabah
- Department of Pharmacology and Toxicology, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Ghanim Al-Khaledi
- Department of Pharmacology and Toxicology, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Waleed Al-Ali
- Department of Pathology, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Hamad Ali
- Department of Medical Laboratory Sciences, Faculty of Allied Health Sciences, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Preethi Cherian
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Irina Al-Khairi
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Sriraman Devarajan
- Special Service Facility, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Mohamed Abu-Farha
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Fahd Al-Mulla
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Jehad Abubaker
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
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Alizadeh H. Meteorin-like protein (Metrnl): A metabolic syndrome biomarker and an exercise mediator. Cytokine 2022; 157:155952. [PMID: 35780711 DOI: 10.1016/j.cyto.2022.155952] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 06/04/2022] [Accepted: 06/20/2022] [Indexed: 11/25/2022]
Abstract
Metrnl is a secreted protein able to activate different intracellular signaling pathways in adipocytes, macrophages, myocytes and cardiomyocytes with physiological effects of the browning of white adipose tissue (BWT), insulin sensitivity, inflammation inhibition, skeletal muscle regeneration and heart protection. Shown to be regulated by obesity, diabetes, caloric restriction, weight loss and heart diseases, Metrnl is definitely involved in metabolic turbulences, and may play roles in metabolic syndrome (MetS). However, due to the conflicting data yielded, Metrnl is still far from clinical application as a diagnostic and/or a therapeutic agent or even a therapeutic target in MetS-related diseases such as type 2 diabetes (T2D) and obesity. Nevertheless, blood Metrnl levels as well as Metrnl as a cardiokine have been reported to play cardioprotective roles against heart diseases. Considering the established metabolic and anti-inflammatory hallmarks, exercise-induced Metrnl (as a myokine) is regarded as an exercise mediator in improving obesity-induced complications such as insulin resistance, T2D and inflammation. Besides, due to its healing role in muscle damage, Metrnl is also a potential therapeutic candidate to enhance regeneration with ageing or other inflammatory myopathies like Duchenne muscular dystrophy (DMD). Therefore, there are still many exercise-related questions unanswered on Metrnl, such as Metrnl-mediated fat browning in humans, exercise effects on heart Metrnl production and secretion and the effects of other exercise-induced skeletal muscle stressors like hypoxia and oxidative in Metrnl production other than exercise-induced muscle damage.
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Affiliation(s)
- Hamid Alizadeh
- Exercise Physiology, University of Mazandaran, Babolsar, Mazandaran, Iran.
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Lombardo M, Feraco A, Bellia C, Prisco L, D’Ippolito I, Padua E, Storz MA, Lauro D, Caprio M, Bellia A. Influence of Nutritional Status and Physical Exercise on Immune Response in Metabolic Syndrome. Nutrients 2022; 14:nu14102054. [PMID: 35631195 PMCID: PMC9145042 DOI: 10.3390/nu14102054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 11/25/2022] Open
Abstract
Metabolic Syndrome (MetS) is a cluster of metabolic alterations mostly related to visceral adiposity, which in turn promotes glucose intolerance and a chronic systemic inflammatory state, characterized by immune cell infiltration. Such immune system activation increases the risk of severe disease subsequent to viral infections. Strong correlations between elevated body mass index (BMI), type-2-diabetes and increased risk of hospitalization after pandemic influenza H1N1 infection have been described. Similarly, a correlation between elevated blood glucose level and SARS-CoV-2 infection severity and mortality has been described, indicating MetS as an important predictor of clinical outcomes in patients with COVID-19. Adipose secretome, including two of the most abundant and well-studied adipokines, leptin and interleukin-6, is involved in the regulation of energy metabolism and obesity-related low-grade inflammation. Similarly, skeletal muscle hormones—called myokines—released in response to physical exercise affect both metabolic homeostasis and immune system function. Of note, several circulating hormones originate from both adipose tissue and skeletal muscle and display different functions, depending on the metabolic context. This review aims to summarize recent data in the field of exercise immunology, investigating the acute and chronic effects of exercise on myokines release and immune system function.
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Affiliation(s)
- Mauro Lombardo
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy; (A.F.); (L.P.); (E.P.); (M.C.); (A.B.)
- Correspondence:
| | - Alessandra Feraco
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy; (A.F.); (L.P.); (E.P.); (M.C.); (A.B.)
- Laboratory of Cardiovascular Endocrinology, IRCCS San Raffaele Roma, 00166 Rome, Italy
| | - Chiara Bellia
- Department of Biomedicine, Neurosciences, and Advanced Diagnostics, University of Palermo, 90127 Palermo, Italy;
| | - Luigi Prisco
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy; (A.F.); (L.P.); (E.P.); (M.C.); (A.B.)
| | - Ilenia D’Ippolito
- Department of Systems Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy; (I.D.); (D.L.)
| | - Elvira Padua
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy; (A.F.); (L.P.); (E.P.); (M.C.); (A.B.)
- School of Human Movement Science, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Maximilian Andreas Storz
- Department of Internal Medicine II, Center for Complementary Medicine, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany;
| | - Davide Lauro
- Department of Systems Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy; (I.D.); (D.L.)
| | - Massimiliano Caprio
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy; (A.F.); (L.P.); (E.P.); (M.C.); (A.B.)
- Laboratory of Cardiovascular Endocrinology, IRCCS San Raffaele Roma, 00166 Rome, Italy
| | - Alfonso Bellia
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy; (A.F.); (L.P.); (E.P.); (M.C.); (A.B.)
- Department of Systems Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy; (I.D.); (D.L.)
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21
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Yazdanimoghaddam F, Ghasemi M, Teamparvar H, Soltani N, Aghaei M, Rezazadeh H, Zadhoush F. Long-term GABA administration improves FNDC5, TFAM, and UCP3 mRNA expressions in the skeletal muscle and serum irisin levels in chronic type 2 diabetic rats. Naunyn Schmiedebergs Arch Pharmacol 2022; 395:417-428. [PMID: 35106626 DOI: 10.1007/s00210-022-02211-9] [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: 11/24/2021] [Accepted: 01/24/2022] [Indexed: 11/28/2022]
Abstract
In this study, we aimed to investigate whether the anti-diabetic effects of γ-aminobutyric acid (GABA) and insulin can be mediated through the regulation of gene expression related to irisin production and mitochondrial biogenesis in type 2 diabetic mellitus (T2DM) rats. Four groups (n = 6) were used in this study: control, T2DM, T2DM + insulin, and T2DM + GABA groups. After T2DM induction for 3 months (high-fat diet + 35 mg/kg streptozotocin) and treatment with GABA or insulin for 3 months, circulating levels of FBG, triglyceride, LDL, Ox-LDL, and insulin as well as hepatic and serum irisin levels were measured. The mRNA expressions of fibronectin type III domain-containing protein 5 (FNDC5), mitochondrial transcription factor A (TFAM), and mitochondrial uncoupling protein 3 (UCP3) were also evaluated in the skeletal muscle of all groups. GABA therapy improved the FBG and insulin levels in diabetic rats. Insulin treatment significantly reduced FBG and failed to maintain glucose close to the control level. Insulin or GABA therapy significantly decreased the levels of LDL, Ox-LDL, and HOMA-IR index. Circulating irisin levels were markedly decreased in insulin-treated group, while irisin levels did not show significant changes in GABA-treated group compared with control group. GABA or insulin therapy increased mRNA expressions of TFAM and UCP3 in diabetic rats. GABA therapy also led to a significant increase in FNDC5 mRNA. Our findings suggest that the anti-diabetic effect of GABA may be mediated, in part, by a decrease in Ox-LDL levels and an increase in the levels of irisin as well as FNDC5, TFAM, and UCP3 gene expression in T2DM rats.
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Affiliation(s)
- Farzaneh Yazdanimoghaddam
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maedeh Ghasemi
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hanif Teamparvar
- School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nepton Soltani
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahmoud Aghaei
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hossein Rezazadeh
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fouzieh Zadhoush
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran.
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22
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Effects of meteorin-like hormone on endocrine function of hypothalamo-hypophysial system and peripheral uncoupling proteins in rats. Mol Biol Rep 2022; 49:5919-5925. [PMID: 35332411 DOI: 10.1007/s11033-022-07374-5] [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: 12/01/2021] [Accepted: 03/15/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Meteorin-like hormone (Metrnl) is a peptide secreted from the adipose tissue and modulates the whole-body energy metabolism. Metrnl release into the circulation is influenced by obesity, cold exposure, and exercise. Thyroid hormones also exert many of their effects on metabolism through uncoupling proteins (UCPs). This study aimed to determine effect of Metrnl on hypothalamo-hypophysier-thyroid axis and energy metabolism and reveal the possible involvement of UCPs in this process. METHODS AND RESULTS Fourty male Sprague-Dawley rats were divided into 4 groups with 10 animals in each group: control, sham, 10 and 100 nM Metrnl. Hypothalamus, muscle, white adipose tissue (WAT) and brown adipose tissue (BAT) samples were collected to detect thyrotropin-releasing hormone (TRH), and UCP1 and UCP3 protein levels by western blot analysis. Serum thyroid-stimulating hormone (TSH), triiodothyronine (T3) and thyroxine (T4) hormone levels were determined by enzyme-linked immunosorbent assay. Central infusion of Metrnl caused significant increase in serum TSH, T3 and T4 levels compared to control (p < 0.05). After Metrnl treatment, there were significant increases in TRH in hypothalamus tissue, UCP1 in WAT and BAT; and UCP3 protein in the muscle tissue (p < 0.05). CONCLUSIONS The findings that Metrnl induced increases in the peripheral UCPs and hypothalamus-pituitary-thyroid axis hormones implicate a role for this hormone in body energy homeostasis through UCP-mediated mechanisms.
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23
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Serum irisin levels in newly diagnosed type-II diabetic patients: No association with the overall diet quality but strong association with fruit intake. Clin Nutr ESPEN 2022; 49:357-364. [DOI: 10.1016/j.clnesp.2022.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 03/05/2022] [Accepted: 03/15/2022] [Indexed: 11/18/2022]
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24
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Laboratory evidence on a direct correlation between acute central serous chorioretinopathy and tenascin C, metalloprotein 1, BAX, BCL2, subfatin and asprosin. J Fr Ophtalmol 2022; 45:314-322. [DOI: 10.1016/j.jfo.2021.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 08/31/2021] [Accepted: 09/01/2021] [Indexed: 11/23/2022]
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25
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Hsiao YT, Shimizu I, Yoshida Y, Minamino T. Role of circulating molecules in age-related cardiovascular and metabolic disorders. Inflamm Regen 2022; 42:2. [PMID: 35012677 PMCID: PMC8744343 DOI: 10.1186/s41232-021-00187-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/30/2021] [Indexed: 12/12/2022] Open
Abstract
Studies analyzing heterochronic parabiosis mice models showed that molecules in the blood of young mice rejuvenate aged mice. Therefore, blood-based therapies have become one of the therapeutic approaches to be considered for age-related diseases. Blood includes numerous biologically active molecules such as proteins, metabolites, hormones, miRNAs, etc. and accumulating evidence indicates some of these change their concentration with chronological aging or age-related disorders. The level of some circulating molecules showed a negative or positive correlation with all-cause mortality, cardiovascular events, or metabolic disorders. Through analyses of clinical/translation/basic research, some molecules were focused on as therapeutic targets. One approach is the supplementation of circulating anti-aging molecules. Favorable results in preclinical studies let some molecules to be tested in humans. These showed beneficial or neutral results, and some were inconsistent. Studies with rodents and humans indicate circulating molecules can be recognized as biomarkers or therapeutic targets mediating their pro-aging or anti-aging effects. Characterization of these molecules with aging, testing their biological effects, and finding mimetics of young systemic milieu continue to be an interesting and important research topic to be explored.
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Affiliation(s)
- Yung Ting Hsiao
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
- Institute for Diseases of Old Age, Juntendo University Graduate School of Medicine, Tokyo, 113-8431, Japan
| | - Ippei Shimizu
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan.
| | - Yohko Yoshida
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
- Department of Advanced Senotherapeutics, Juntendo University Graduate School of Medicine, Tokyo, 113-8431, Japan
| | - Tohru Minamino
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan.
- Japan Agency for Medical Research and Development-Core Research for Evolutionary Medical Science and Technology (AMED-CREST), Japan Agency for Medical Research and Development, Tokyo, 100-0004, Japan.
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26
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Ding X, Chang X, Wang J, Bian N, An Y, Wang G, Liu J. Serum Metrnl levels are decreased in subjects with overweight or obesity and are independently associated with adverse lipid profile. Front Endocrinol (Lausanne) 2022; 13:938341. [PMID: 36133314 PMCID: PMC9483104 DOI: 10.3389/fendo.2022.938341] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Meteorin-like (Metrnl), a novel adipokine, is highly expressed in adipose tissue and has a beneficial effect on energy metabolism. However, data on circulating Metrnl levels in obesity are scarce and inconsistent. This study aimed to evaluate the serum levels of Metrnl in adults with obesity and its association with glucose and lipid metabolism. METHODS 182 subjects were included in the cross-sectional study. The participants were divided into three groups according to BMI: normal (n = 95), overweight (n = 46), and obesity (n = 41). Serum Metrnl concentrations were measured by enzyme-linked immunosorbent assay. RESULTS Serum Metrnl levels in overweight or obese subjects were significantly lower than in the normal group. Circulating Metrnl levels were negatively correlated with TG, TC, LDL-C, and sdLDL and positively correlated with HDL-C before and after adjusting for age, sex, BMI, diabetes, HOMA-IR, and eGFR (all P < 0.05). Furthermore, logistic regression analysis indicated that compared with the highest tertile, the lowest tertile of Metrnl levels were significantly associated with the presence of hyper-TG, hyper-TC, and Hyper-LDL after full adjustment (all P for trend < 0.05). CONCLUSIONS Serum Metrnl levels were reduced in individuals with overweight or obesity and were independently associated with adverse lipid profile, suggesting that modifying circulating Metrnl levels may serve as a potential therapeutic target for atherogenic dyslipidemia.
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Affiliation(s)
| | | | | | | | | | | | - Jia Liu
- *Correspondence: Jia Liu, ; Guang Wang,
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27
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Cheng JX, Yu K. New Discovered Adipokines Associated with the Pathogenesis of Obesity and Type 2 Diabetes. Diabetes Metab Syndr Obes 2022; 15:2381-2389. [PMID: 35966830 PMCID: PMC9371465 DOI: 10.2147/dmso.s376163] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 07/26/2022] [Indexed: 12/16/2022] Open
Abstract
Obesity is defined as abnormal or excessive accumulation of adipose tissue, closely associated with the increased risk of various comorbidities, especially type 2 diabetes mellitus (T2DM). Adipose tissue is a complex structure responsible for not only fat storage but also releasing adipokines which may play roles in the pathogenesis and could be developed into biomarkers for diagnosis, treatment and prognosis of obesity-related metabolic diseases. This review aims to summarize several adipokines discovered recently that have promising functions in obesity and T2DM. Among them, the levels of FSTL1, WISP1 and Asprosin in subjects with obesity or diabetes are commonly higher than in normal controls, suggesting that they may be pathogenic. Inversely, SFRP5, Metrnl, NRG4 and FAM19A5 may serve as the protective factors.
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Affiliation(s)
- Jia-Xue Cheng
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Ke Yu
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, People’s Republic of China
- Correspondence: Ke Yu, Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, No. 82, Xinhua South Road, Tongzhou District, Beijing, People’s Republic of China, Tel +86 13811657618, Email
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28
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Meteorin-Like Protein (Metrnl) in Obesity, during Weight Loss and in Adipocyte Differentiation. J Clin Med 2021; 10:jcm10194338. [PMID: 34640356 PMCID: PMC8509786 DOI: 10.3390/jcm10194338] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/08/2021] [Accepted: 09/13/2021] [Indexed: 12/05/2022] Open
Abstract
Meteorin-like protein (Metrnl) is an adipo-myokine with pleiotropic effects in adipose tissue (AT). Its systemic regulation in obesity and under weight loss is unclear. Circulating Metrnl concentrations were analyzed by ELISA in severely obese patients undergoing bariatric surgery (BS) or low calorie diet (LCD). Metrnl mRNA expression was analyzed in human and murine tissues and cell lines by quantitative real-time PCR. About 312 morbidly obese individuals underwent BS (n = 181; BMI 53.4 + 6.8 kg/m2) or LCD (n = 131; BMI 43.5 + 6.7 kg/m2). Serum samples were obtained at baseline and 3, 6, and 12 months after intervention. AT specimen from subcutaneous and visceral adipose tissue were resected during BS. Serum Metrnl levels were lower in type 2 diabetic patients and negatively correlated with HbA1c. In BS and LCD patients, Metrnl concentrations significantly increased after 3 months and returned to baseline levels after 12 months. There was no gender-specific effect. Metrnl mRNA expression did not differ between visceral and subcutaneous AT in n = 130 patients. In contrast, Metrnl gene expression in mice was highest in intra-abdominal AT followed by subcutaneous, peri-renal, and brown AT. In the murine 3T3-L1 cell line, Metrnl expression was high in pre-adipocytes and mature adipocytes with a transient downregulation during adipocyte differentiation. Metrnl expression remained unaffected upon treatment with glucose, insulin, fatty acids, bile acids, and incretins. Polyunsaturated omega-3 and omega-6 fatty acids downregulated Metrnl expression. Systemic Metrnl is transiently upregulated during massive weight loss and gene expression in adipocytes is differentially regulated.
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Wang H, Pei S, Fang S, Jin S, Deng S, Zhao Y, Feng Y. Irisin restores high glucose-induced cell injury in vascular endothelial cells by activating Notch pathway via Notch receptor 1. Biosci Biotechnol Biochem 2021; 85:2093-2102. [PMID: 34329390 DOI: 10.1093/bbb/zbab137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 07/19/2021] [Indexed: 01/12/2023]
Abstract
Diabetic foot ulcers (DFU) are a vascular complication of diabetes mellitus (DM). It has been confirmed that irisin is closely related to DM. However, the effect of irisin on DFU is obscure and needs further study. After HUVECs were treated with different concentrations' irisin, normal glucose, high glucose (HG), HG plus irisin-high (H) or sh-Notch1, cell biological behaviors, LDH, and VEGFA were detected by cell function experiments. Apoptosis- and Notch pathway-related protein levels were evaluated by western blot. Irisin has no cytotoxicity, and irisin-H elevated cell viability, inhibited apoptosis and LDH level in HG-induced HUVECs. Meanwhile, irisin-H restored HG-repressed migration and angiogenesis in HUVECs. Irisin-H inhibited apoptosis-related protein levels, promoted VEGFA and Notch pathway-related protein levels in HG-treated HUVECs. Additionally, sh-Notch1 reversed the protective effect of irisin-H in HG-treated HUVECs. Irisin restores HG-induced cell injury and angiogenesis in HUVECs by activating Notch pathway via Notch1.
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Affiliation(s)
- Hanrui Wang
- Departement of Vascular Surgery, The First Affiliated Hospital of Jiamusi University; Jiamusi University
| | - Siying Pei
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Jiamusi University
| | - Shuqing Fang
- Department of Nephrology, The Central Hospital of Jia Mu Si City
| | - Song Jin
- Departement of Vascular Surgery, The First Affiliated Hospital of Jiamusi University; Jiamusi University
| | - Shuhua Deng
- Nursing Department, The Central Hospital of Jia Mu Si City
| | - Yanan Zhao
- Department of Internal Medicine, Hospital of Traditional Chinese Medicine of Qingan County
| | - Yao Feng
- Department of TCM, The First Affiliated Hospital of Jiamusi University; Jiamusi University
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30
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ANGPTL3 Variants Associate with Lower Levels of Irisin and C-Peptide in a Cohort of Arab Individuals. Genes (Basel) 2021; 12:genes12050755. [PMID: 34067751 PMCID: PMC8170900 DOI: 10.3390/genes12050755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 11/16/2022] Open
Abstract
ANGPTL3 is an important regulator of lipid metabolism. Its inhibition in people with hypercholesteremia reduces plasma lipid levels dramatically. Genome-wide association studies have associated ANGPTL3 variants with lipid traits. Irisin, an exercise-modulated protein, has been associated with lipid metabolism. Intracellular accumulation of lipids impairs insulin action and contributes to metabolic disorders. In this study, we evaluate the impact of ANGPTL3 variants on levels of irisin and markers associated with lipid metabolism and insulin resistance. ANGPTL3 rs1748197 and rs12130333 variants were genotyped in a cohort of 278 Arab individuals from Kuwait. Levels of irisin and other metabolic markers were measured by ELISA. Significance of association signals was assessed using Bonferroni-corrected p-values and empirical p-values. The study variants were significantly associated with low levels of c-peptide and irisin. Levels of c-peptide and irisin were mediated by interaction between carrier genotypes (GA + AA) at rs1748197 and measures of IL13 and TG, respectively. While levels of c-peptide and IL13 were directly correlated in individuals with the reference genotype, they were inversely correlated in individuals with the carrier genotype. Irisin correlated positively with TG and was strong in individuals with carrier genotypes. These observations illustrate ANGPTL3 as a potential link connecting lipid metabolism, insulin resistance and cardioprotection.
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He X, Zhang Q, Peng N, Hu Y, Li H, Chen Z, Liu R, Xu S, Zhang M, He J, Shi L. Irisin plays an important role in the outcomes of newly diagnosed prediabetes in adults in Guiyang, China. J Diabetes Investig 2021; 12:747-755. [PMID: 33000530 PMCID: PMC8089006 DOI: 10.1111/jdi.13416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 08/22/2020] [Accepted: 09/15/2020] [Indexed: 11/30/2022] Open
Abstract
AIMS/INTRODUCTION To explore the potential role of irisin in the outcomes of newly diagnosed prediabetes. MATERIALS AND METHODS Data were obtained from the Guiyang subcenter of the Risk Evaluation of cAncers in Chinese diabeTic Individuals: a lONgitudinal (REACTION) study. A total of 2,530 participants had newly diagnosed prediabetes at baseline and completed follow up. The nested 1:1 case-control study included 161 participants who developed diabetes mellitus at follow up, and 161 age- and sex-matched controls. The follow-up study included 86 matched case-control pairs. Fasting serum irisin levels were measured using enzyme-linked immunosorbent assay. RESULTS Baseline serum irisin levels were higher in the cases than in the controls (P = 0.002); high baseline serum irisin levels were an independent risk factor for the development of diabetes (odds ratio 1.235, 95% confidence interval 1.025-1.488). After adjustment for age, sex, body mass index, glycated hemoglobin (HbA1c), smoking, exercise, and family history of diabetes, subjects in the highest quartile of irisin levels had a higher risk of diabetes than those in the lowest quartile (odds ratio 3.065, 95% confidence interval 1.511-6.218). The extent of decrease in irisin levels during follow-up was greater in the cases than in the controls (P < 0.001). Baseline serum irisin levels were positively correlated with the extent of decrease in irisin during follow-up (r = 0.773, P < 0.001). After adjustment for confounding factors, subjects with a decrease of irisin above the median had much higher risk for diabetes (odds ratio 5.077, 95% confidence interval 2.112-12.206). CONCLUSIONS Irisin might play an important role in the outcomes of newly diagnosed prediabetes in adults in Guiyang, and can predict the risk for developing diabetes in these individuals.
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Affiliation(s)
- Xi He
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
- Department of Endocrinology and MetabolismGuizhou Provincial People’s HospitalGuiyangChina
| | - Qiao Zhang
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
| | - Nianchun Peng
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
| | - Ying Hu
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
| | - Hong Li
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
| | - Zhengyi Chen
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
| | - Ruoyi Liu
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
| | - Shujing Xu
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
| | - Miao Zhang
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
| | - Juan He
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
| | - Lixin Shi
- Department of Endocrinology and MetabolismAffiliated Hospital of Guizhou Medical UniversityGuiyangChina
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Atakan MM, Koşar ŞN, Güzel Y, Tin HT, Yan X. The Role of Exercise, Diet, and Cytokines in Preventing Obesity and Improving Adipose Tissue. Nutrients 2021; 13:nu13051459. [PMID: 33922998 PMCID: PMC8145589 DOI: 10.3390/nu13051459] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/20/2021] [Accepted: 04/22/2021] [Indexed: 12/17/2022] Open
Abstract
The prevalence of obesity continues to rise worldwide despite evidence-based public health recommendations. The promise to adopt a healthy lifestyle is increasingly important for tackling this global epidemic. Calorie restriction or regular exercise or a combination of the two is accepted as an effective strategy in preventing or treating obesity. Furthermore, the benefits conferred by regular exercise to overcome obesity are attributed not only to reduced adiposity or reduced levels of circulating lipids but also to the proteins, peptides, enzymes, and metabolites that are released from contracting skeletal muscle or other organs. The secretion of these molecules called cytokines in response to exercise induces browning of white adipose tissue by increasing the expression of brown adipocyte-specific genes within the white adipose tissue, suggesting that exercise-induced cytokines may play a significant role in preventing obesity. In this review, we present research-based evidence supporting the effects of exercise and various diet interventions on preventing obesity and adipose tissue health. We also discuss the interplay between adipose tissue and the cytokines secreted from skeletal muscle and other organs that are known to affect adipose tissue and metabolism.
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Affiliation(s)
- Muhammed Mustafa Atakan
- Division of Exercise Nutrition and Metabolism, Faculty of Sport Sciences, Hacettepe University, 06800 Ankara, Turkey; (M.M.A.); (Ş.N.K.); (Y.G.)
| | - Şükran Nazan Koşar
- Division of Exercise Nutrition and Metabolism, Faculty of Sport Sciences, Hacettepe University, 06800 Ankara, Turkey; (M.M.A.); (Ş.N.K.); (Y.G.)
| | - Yasemin Güzel
- Division of Exercise Nutrition and Metabolism, Faculty of Sport Sciences, Hacettepe University, 06800 Ankara, Turkey; (M.M.A.); (Ş.N.K.); (Y.G.)
| | - Hiu Tung Tin
- Institute for Health and Sport (iHeS), Victoria University, P.O. Box 14428, Melbourne 8001, Australia;
| | - Xu Yan
- Institute for Health and Sport (iHeS), Victoria University, P.O. Box 14428, Melbourne 8001, Australia;
- Sarcopenia Research Program, Australia Institute for Musculoskeletal Sciences (AIMSS), Melbourne 3021, Australia
- Correspondence: ; Tel.: +61-3-9919-4024; Fax: +61-3-9919-5615
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Ahmad B, Vohra MS, Saleemi MA, Serpell CJ, Fong IL, Wong EH. Brown/Beige adipose tissues and the emerging role of their secretory factors in improving metabolic health: The batokines. Biochimie 2021; 184:26-39. [PMID: 33548390 DOI: 10.1016/j.biochi.2021.01.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/22/2020] [Accepted: 01/28/2021] [Indexed: 12/12/2022]
Abstract
Brown and beige adipose tissues are the primary sites for adaptive non-shivering thermogenesis. Although they have been known principally for their thermogenic effects, in recent years, it has emerged that, just like white adipose tissue (WAT), brown and beige adipose tissues also play an important role in the regulation of metabolic health through secretion of various brown adipokines (batokines) in response to various physiological cues. These secreted batokines target distant organs and tissues such as the liver, heart, skeletal muscles, brain, WAT, and perform various local and systemic functions in an autocrine, paracrine, or endocrine manner. Brown and beige adipose tissues are therefore now receiving increasing levels of attention with respect to their effects on various other organs and tissues. Identification of novel secreted factors by these tissues may help in the discovery of drug candidates for the treatment of various metabolic disorders such as obesity, type-2 diabetes, skeletal deformities, cardiovascular diseases, dyslipidemia. In this review, we comprehensively describe the emerging secretory role of brown/beige adipose tissues and the metabolic effects of various brown/beige adipose tissues secreted factors on other organs and tissues in endocrine/paracrine manners, and as well as on brown/beige adipose tissue itself in an autocrine manner. This will provide insights into understanding the potential secretory role of brown/beige adipose tissues in improving metabolic health.
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Affiliation(s)
- Bilal Ahmad
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University Lakeside Campus, Subang Jaya, 47500, Malaysia
| | - Muhammad Sufyan Vohra
- School of Medicine, Faculty of Health and Medical Sciences, Taylor's University Lakeside Campus, Subang Jaya, 47500, Malaysia
| | - Mansab Ali Saleemi
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University Lakeside Campus, Subang Jaya, 47500, Malaysia
| | - Christopher J Serpell
- School of Physical Sciences, Ingram Building, University of Kent, Canterbury, Kent, CT2 7NH, United Kingdom
| | - Isabel Lim Fong
- Department of Paraclinical Sciences, Faculty of Medicine and Health Sciences Universiti Malaysia Sarawak (UNIMAS), Kota Samarahan, Sarawak, 94300, Malaysia
| | - Eng Hwa Wong
- School of Medicine, Faculty of Health and Medical Sciences, Taylor's University Lakeside Campus, Subang Jaya, 47500, Malaysia.
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Abstract
Meterorin-like hormone (Metrnl), as a novel secreted factor, has been shown to be involved in physiological and pathophysiological processes. The behaviour of Metrnl in metabolic conditions like type 2 diabetes is conflicting. Metrnl-mediated (treatment with Metrnl) auto/paracrine actions in skeletal muscle are glucose uptake, fat oxidation and muscle regeneration. Exercise-induced Metrnl actions are increased fat oxidation in both skeletal muscle and adipose tissue, the control of inflammation in adipose tissue (metainflammation), and the regulation of muscle regeneration. Based on the current knowledge, Metrnl as a myokine can establish the muscle-fat crosstalk; however, the ability of Metrnl as a myokine to create other crosstalks remains unclear yet. Additionally, given the considerable anti-inflammatory roles of Metrnl in muscle regeneration, it could be a potential therapeutic candidate for muscle-related inflammatory diseases and ageing skeletal muscle which need to be addressed in the future studies.
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Affiliation(s)
- Hamid Alizadeh
- Department of Exercise Physiology, University of Mazandaran, Babolsar, Mazandaran, Iran
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Cherian P, Al-Khairi I, Jamal M, Al-Sabah S, Ali H, Dsouza C, Alshawaf E, Al-Ali W, Al-Khaledi G, Al-Mulla F, Abu-Farha M, Abubaker J. Association Between Factors Involved in Bone Remodeling (Osteoactivin and OPG) With Plasma Levels of Irisin and Meteorin-Like Protein in People With T2D and Obesity. Front Endocrinol (Lausanne) 2021; 12:752892. [PMID: 34777249 PMCID: PMC8588843 DOI: 10.3389/fendo.2021.752892] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/08/2021] [Indexed: 01/05/2023] Open
Abstract
The musculoskeletal system consisting of bones and muscles have been recognized as endocrine organs secreting hormones that are involved in regulating metabolic and inflammatory pathways. Obesity and type 2 diabetes (T2D) are associated with several musculoskeletal system complications. We hypothesized that an interaction exists between adipomyokines namely, irisin and METRNL, and various molecules involved in bone remodeling in individuals with obesity and T2D. A total of 228 individuals were enrolled in this study, including 124 non-diabetic (ND) and 104 T2D. A Multiplex assay was used to assess the level of various osteogenic molecules namely osteoactivin, Syndecan, osteoprotegerin (OPG) and osteonectin/SPARC. Our data shows elevated levels of Osteoactivin, Syndecan, OPG and SPARC in T2D as compared to ND individuals (p ≤ 0.05). Using Spearman's correlation, a positive correlation was observed between irisin and Osteoactivin as well as OPG (p < 0.05). Similarly, a positive association was observed between METRNL and Osteoactivin (p < 0.05). The strong positive association shown in this study between irisin, METRNL and various molecules with osteogenic properties emphasize a possible interaction between these organs. This report suggests that having a dysregulation in the level of the aforementioned molecules could potentially affect the development of bone and muscle related complications that are associated with obesity and T2D.
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Affiliation(s)
- Preethi Cherian
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Irina Al-Khairi
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Mohammad Jamal
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Sulaibekhat, Kuwait
| | - Suleiman Al-Sabah
- Department of Pharmacology & Toxicology, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Hamad Ali
- Department of Genetic and Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Carol Dsouza
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Sulaibekhat, Kuwait
| | - Eman Alshawaf
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Waleed Al-Ali
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Sulaibekhat, Kuwait
| | - Ghanim Al-Khaledi
- Department of Pharmacology & Toxicology, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Fahd Al-Mulla
- Department of Genetic and Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Mohamed Abu-Farha
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
- *Correspondence: Mohamed Abu-Farha, ; Jehad Abubaker,
| | - Jehad Abubaker
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
- *Correspondence: Mohamed Abu-Farha, ; Jehad Abubaker,
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Involvement of the secreted protein Metrnl in human diseases. Acta Pharmacol Sin 2020; 41:1525-1530. [PMID: 32999412 DOI: 10.1038/s41401-020-00529-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 09/05/2020] [Indexed: 12/13/2022] Open
Abstract
Metrnl, a secreted protein expressed in white adipose tissue, has been identified as a novel adipokine. It is also highly expressed in barrier tissues, including the skin, intestinal and respiratory tract epithelium in both mice and humans. Research shows that its expression is upregulated by inflammation, chronic high-fat diets, exercise, cold exposure, etc., and it plays important roles in promoting neurite extension, enhancing white fat browning, improving insulin sensitivity, modulating lipid metabolism and regulating inflammatory response, the latter implying Metrnl is a new cytokine. These studies suggest that Metrnl could be a promising biomarker and a potential therapeutic target for the related diseases. For proving this, clinical studies need to be performed to bridge the gap between bench and bedside. In this paper, we summarize the progress in recent clinical research on Metrnl. Most of these clinical studies are designed to confirm the relationship between circulating Metrnl and metabolic or cardiovascular disease (type 2 diabetes and coronary heart disease), or immune inflammation-related diseases, such as colitis, psoriasis and arthritis. Although blood Metrnl seems to fluctuate and are affected by many factors, such as drugs, physical exercise, and cold exposure, these clinical studies provide reliable clues that Metrnl is associated with coronary heart disease, inflammation-related diseases, etc. Nevertheless, the roles of Metrnl in some diseases such as nervous system diseases remain unclear, and its putative involvement should be further clarified. These studies could promote the application of Metrnl in clinic as a new therapeutic target.
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Wang R, Hu D, Zhao X, Hu W. Correlation of serum meteorin-like concentrations with diabetic nephropathy. Diabetes Res Clin Pract 2020; 169:108443. [PMID: 32946852 DOI: 10.1016/j.diabres.2020.108443] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 08/21/2020] [Accepted: 09/04/2020] [Indexed: 12/17/2022]
Abstract
OBJECTIVE Meteorin-like (Metrnl), a secreted myokine, is induced in white adipose tissue during cold exposure and in muscle after exercise. The present investigation aims to determine the hypothesis that serum Metrnl concentrations are correlated with diabetic nephropathy (DN). METHODS The investigation was performed in a population of 221 patients with type 2 diabetes mellitus (T2DM) and 74 healthy subjects. T2DM patients were divided into three groups: normoalbuminuria (n = 100), microalbuminuria (n = 86), and macroalbuminuria (n = 35) subgroups based on urine albumin to creatinine ratio (ACR). RESULTS All the three T2DM subgroups showed lower serum Metrnl concentrations compared with the controls. Serum Metrnl concentrations were significantly decreased in T2DM patients with macroalbuminuria group than in the other T2DM subgroups. In addition, T2DM patients with microalbuminuria group had decreased serum Metrnl concentrations compared with those with normoalbuminuria; however, the difference was not significant. Logistic regression analysis demonstrated a correlation between serum Metrnl and a decreased risk of T2DM and DN (OR: 0.954, 95% CI: 0.935-0.973, P < 0.001 and OR: 0.981, 95% CI: 0.971-0.997, P = 0.014, respectively). Simply linear regression analysis indicated a negative association between serum Metrnl and duration of disease, body mass index (BMI), HbA1c, blood urea nitrogen, creatinine, uricacid, ACR, and angiotensin-converting enzyme inhibitor/angiotensin II receptor blockers treatment. BMI, HbA1c, and ACR were still correlated with the serum Metrnl after a multiple linear regression analysis. CONCLUSION Serum Metrnl concentrations are inversely correlated with renal function and DN.
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Affiliation(s)
- Rui Wang
- Department of Blood Transfusion, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, China
| | - Dongming Hu
- Department of Endocrinology, The Third People's Hospital of Qingdao, Qingdao, China
| | - Xiaoyun Zhao
- Department of Central Laboratory and Mitochondrial Medicine Laboratory, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, China.
| | - Wenchao Hu
- Department of Endocrinology, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, China.
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Gholamrezayi A, Mohamadinarab M, Rahbarinejad P, Fallah S, Barez SR, Setayesh L, Moradi N, Fadaei R, Chamani E, Tavakoli T. Characterization of the serum levels of Meteorin-like in patients with inflammatory bowel disease and its association with inflammatory cytokines. Lipids Health Dis 2020; 19:230. [PMID: 33126870 PMCID: PMC7602304 DOI: 10.1186/s12944-020-01404-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 10/19/2020] [Indexed: 02/07/2023] Open
Abstract
Background Meteorin-like (Metrnl) is an adipokine with insulin sensitizing and anti-inflammatory properties that has been discovered recently. The relation among Metrnl, Inflammatory Bowel Disease (IBD), and obesity has been unexplored yet. Methods The present study was conducted on 54 healthy control, 42 Ulcerative Colitis (UC), and 43 Crohn’s disease (CD) patients who were diagnosed by pathological examination. In all participants, serum levels of adiponectin, Metrnl, interleukin (IL)-6, and Tumor necrosis factor (TNF-α) were measured using ELISA kits. Results Metrnl concentration was considerably lower in both UC (85.25 ± 36.55 pg/mL) and CD (76.93 ± 27.92 pg/mL) patients in comparison to control (107.52 ± 35.33 pg/mL). In addition, it was seen that both patient groups have a decreased level of adiponectin compared to the controls. Besides that, the level of IL-6 and TNF-α were significantly greater in the patient groups. Moreover, the result showed that the level of Metrnl is inversely correlated with body mass index (BMI) in the controls and the patients. Metrnl levels are also inversely associated with IL-6, and TNF-α in both of the patient groups. Conclusions The current study is the first one reporting the decreased levels of Metrnl in serum among patients with IBD, which is inversely related with BMI, TNF-α, and IL-6. These results suggested a possible relation of Metrnl with the pathogenesis of IBD, particularly through inflammatory process, although further studies are warranted to dissect the possible mechanism.
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Affiliation(s)
- Afsane Gholamrezayi
- Department of Nutrition, School of Public Health-International Campus, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Mohamadinarab
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Pegah Rahbarinejad
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Soudabeh Fallah
- Department of Clinical Biochemistry, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Shekufe Rezghi Barez
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Leila Setayesh
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Nariman Moradi
- Cellular and Molecular Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Reza Fadaei
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Elham Chamani
- Cardiovascular Diseases Research Center, Department of Clinical Biochemistry, Birjand University of Medical Sciences, Birjand, Iran.
| | - Tahmine Tavakoli
- Cardiovascular Diseases Research Center, Department of Internal Medicine, Gastroenterology Section, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran.
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Jamal MH, Abu-Farha M, Al-Khaledi G, Al-Sabah S, Ali H, Cherian P, Al-Khairi I, AlOtaibi F, Al-Ali W, Bosso M, Dsouza C, Abubaker J, Al-Mulla F. Effect of sleeve gastrectomy on the expression of meteorin-like (METRNL) and Irisin (FNDC5) in muscle and brown adipose tissue and its impact on uncoupling proteins in diet-induced obesity rats. Surg Obes Relat Dis 2020; 16:1910-1918. [PMID: 32861644 DOI: 10.1016/j.soard.2020.07.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/18/2020] [Accepted: 07/21/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Bariatric surgery is well established as a treatment for obesity and associated complications. This procedure improves metabolic homeostasis through changes in energy expenditure. We hypothesized that sleeve gastrectomy (SG) improves metabolic homeostasis by modulating energy expenditure and enhancing thermogenesis through increasing the expression level of meteorin-like protein (METRNL) and fibronectin type III domain-containing protein 5 (FNDC5/Irisin) through uncoupling proteins 1/2/3 (UCP1, UCP2, and UCP3). OBJECTIVES To study the effect of SG on the levels of proteins involved in thermogenesis process. SETTING Laboratory rats at Kuwait University. METHODS Male Sprague-Dawley rats, aged 4 to 5 weeks, were divided into 2 groups, control (n = 11) and diet-induced obesity (DIO) (n = 22). The control group was fed regular rat chow ad libitum, whereas the DIO group was fed cafeteria diet "high-fat/carbohydrate diet" ad libitum. At 21 weeks, rats in the DIO group that weighed 20% more than the control group animals underwent surgery. These rats were randomly subdivided into Sham and SG operation groups. Gene expression was evaluated, and enzyme-linked immunosorbent assays were employed to assess the changes in gene and protein levels in tissue and circulation. RESULTS The protein expression data revealed an increase in METRNL levels in the muscles and white adipose tissue of SG animals. METRNL level in circulation in SG animals was reduced compared with control and Sham rats. The level of Irisin increased in the muscle of SG animals compared with the control and Sham group animals; however, a decrease in Irisin level was observed in the white adipose tissue and brown adipose tissue of SG animals compared with controls. Gene expression analysis revealed decreased METRNL levels in muscle tissues in the SG group compared with the control group animals. Increased expression of FNDC5 (Irisin), UCP2, and UCP3 in the muscle tissue of SG animals was also observed. Furthermore, the levels of UCP1, UCP2, UCP3, and METRNL in the brown adipose tissue of SG animals were upregulated. No significant alteration in the gene expression of Irisin was observed in brown adipose tissue. CONCLUSIONS Sleeve gastrectomy induces weight loss through complex mechanisms that may include browning of fat.
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Affiliation(s)
- Mohammad H Jamal
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait.
| | - Mohamed Abu-Farha
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Ghanim Al-Khaledi
- Department of Pharmacology and Toxicology, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Suleiman Al-Sabah
- Department of Pharmacology and Toxicology, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Hamad Ali
- Department of Medical Laboratory Sciences, Faculty of Allied Health Sciences, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait; Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Preethi Cherian
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Irina Al-Khairi
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Fatemah AlOtaibi
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Waleed Al-Ali
- Department of Pathology, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Mira Bosso
- Department of Pathology, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Carol Dsouza
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Jehad Abubaker
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Fahd Al-Mulla
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
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Guo A, Li K, Xiao Q. Sarcopenic obesity: Myokines as potential diagnostic biomarkers and therapeutic targets? Exp Gerontol 2020; 139:111022. [PMID: 32707318 DOI: 10.1016/j.exger.2020.111022] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/12/2020] [Accepted: 07/13/2020] [Indexed: 02/07/2023]
Abstract
Sarcopenic obesity (SO) is a condition characterized by the occurrence of both sarcopenia and obesity and imposes a heavy burden on the health of the elderly. Controversies and challenges regarding the definition, diagnosis and treatment of SO still remain because of its complex pathogenesis and limitations. Over the past few decades, numerous studies have revealed that myokines secreted from skeletal muscle play significant roles in the regulation of muscle mass and function as well as metabolic homeostasis. Abnormalities in myokines may trigger and promote the pathogenesis underlying age-related and metabolic diseases, including obesity, sarcopenia, type 2 diabetes (T2D), and SO. This review mainly focuses on the role of myokines as potential biomarkers for the early diagnosis and therapeutic targets in SO.
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Affiliation(s)
- Ai Guo
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Kai Li
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Qian Xiao
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
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Deniz R, Yavuzkir S, Ugur K, Ustebay DU, Baykus Y, Ustebay S, Aydin S. Subfatin and asprosin, two new metabolic players of polycystic ovary syndrome. J OBSTET GYNAECOL 2020; 41:279-284. [PMID: 32608281 DOI: 10.1080/01443615.2020.1758926] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Asprosin and subfatin are recently discovered two new hormones of adipocyte origin that play a role in the regulation of glucose metabolism. Polycystic ovary syndrome (PCOS) is a gynaecological syndrome presenting with energy turbulence. The aim of this study was to investigate whether asprosin and subfatin play a role in PCOS disease. Thirty participants with a diagnosis of PCOS and thirty control group participants were included in this case-control study. Hormone profiles of the participants (subfatin, asprosin, insulin, prolactin, thyroid-stimulating hormone (TSH), oestradiol (E2), follicle-stimulating hormone (FSH), luteinising hormone (LH), dehydroepiandrosterone sulphate (DHEA-SO4), lipid profiles [(total testosterone, low-density lipoprotein (LDL), high-density lipoprotein (HDL), triglyceride, cholesterol)], fasting blood sugar (FBS) and high-sensitivity C-reactive protein (hs-CRP) values were measured. While the levels of asprosin, LDL and triglyceride, TSH, E2, FSH, LH, DHEA-SO4 were found to be significantly higher in patients with PCOS compared to controls (p = .005; p = .01), subfatin and HDL levels were found to be low. Significantly decreasing subfatin and increasing asprosin levels in circulation in PCOS may play a role in the etiopathology of this disease and that they may also be new candidate molecules in addition to classical laboratory parameters in the diagnosis and follow-up of PCOS in the future.Impact statementWhat is already known on this subject? The studies investigating the relationship between PCOS and asprosin are contradictory. Although subfatin has been studied in many metabolic diseases, it has not been studied yet whether it is associated with PCOS. Furthermore, whether there is a mutual relationship between subfatin and asprosin in patients with PCOS has not been studied yet.What do the results of this study add? This available data indicates that significantly decreasing subfatin and increasing asprosin levels in the circulation in PCOS may play a role in the etiopathology of this disease.What are the implications of these findings for clinical practice and/or further research? The findings are promising in that decreasing subfatin and increasing asprosin levels will shed new light on reproductive endocrinology changes caused by PCOS and may help to clarify the pathophysiology of PCOS. Furthermore, in our study, the asprosin/subfatin ratio was above three in PCOS disease. This ratio reported here is anticipated to contribute to the course or follow-up of the disease in the future. Also, subfatin has been investigated here for the first time, may also be a new candidate molecule in addition to classical laboratory parameters in the diagnosis and follow-up of PCOS.
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Affiliation(s)
- Rulin Deniz
- Department of Obstetrics, Gynecology and Reproductive Sciences, Kafkas University, Kars, Turkey
| | - Seyda Yavuzkir
- Department of Obstetrics and Gynecology, School of Medicine, Firat University, Elazig, Turkey
| | - Kader Ugur
- Department of Internal Medicine (Endocrinology and Metabolism Diseases), School of Medicine, Firat University, Elazig, Turkey
| | - Dondu Ulker Ustebay
- Department of Pediatrics, School of Medicine, Kafkas University, Kars, Turkey
| | - Yakup Baykus
- Department of Obstetrics, Gynecology and Reproductive Sciences, Kafkas University, Kars, Turkey
| | - Sefer Ustebay
- Department of Pediatrics, School of Medicine, Kafkas University, Kars, Turkey
| | - Suleyman Aydin
- Department of Medical Biochemistry and Clinical Biochemistry (Firat Hormones Research Group), School of Medicine, Firat University, Elazig, Turkey
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Gonzalez-Gil AM, Elizondo-Montemayor L. The Role of Exercise in the Interplay between Myokines, Hepatokines, Osteokines, Adipokines, and Modulation of Inflammation for Energy Substrate Redistribution and Fat Mass Loss: A Review. Nutrients 2020; 12:E1899. [PMID: 32604889 PMCID: PMC7353393 DOI: 10.3390/nu12061899] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/18/2020] [Accepted: 06/18/2020] [Indexed: 12/17/2022] Open
Abstract
Exercise is an effective strategy for preventing and treating obesity and its related cardiometabolic disorders, resulting in significant loss of body fat mass, white adipose tissue browning, redistribution of energy substrates, optimization of global energy expenditure, enhancement of hypothalamic circuits that control appetite-satiety and energy expenditure, and decreased systemic inflammation and insulin resistance. Novel exercise-inducible soluble factors, including myokines, hepatokines, and osteokines, and immune cytokines and adipokines are hypothesized to play an important role in the body's response to exercise. To our knowledge, no review has provided a comprehensive integrative overview of these novel molecular players and the mechanisms involved in the redistribution of metabolic fuel during and after exercise, the loss of weight and fat mass, and reduced inflammation. In this review, we explain the potential role of these exercise-inducible factors, namely myokines, such as irisin, IL-6, IL-15, METRNL, BAIBA, and myostatin, and hepatokines, in particular selenoprotein P, fetuin A, FGF21, ANGPTL4, and follistatin. We also describe the function of osteokines, specifically osteocalcin, and of adipokines such as leptin, adiponectin, and resistin. We also emphasize an integrative overview of the pleiotropic mechanisms, the metabolic pathways, and the inter-organ crosstalk involved in energy expenditure, fat mass loss, reduced inflammation, and healthy weight induced by exercise.
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Affiliation(s)
- Adrian M. Gonzalez-Gil
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Ave. Morones Prieto 3000, Monterrey N.L. 64710, Mexico;
- Tecnologico de Monterrey, Center for Research in Clinical Nutrition and Obesity, Ave. Morones Prieto 300, Monterrey N.L. 64710, Mexico
| | - Leticia Elizondo-Montemayor
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Ave. Morones Prieto 3000, Monterrey N.L. 64710, Mexico;
- Tecnologico de Monterrey, Center for Research in Clinical Nutrition and Obesity, Ave. Morones Prieto 300, Monterrey N.L. 64710, Mexico
- Tecnologico de Monterrey, Cardiovascular and Metabolomics Research Group, Hospital Zambrano Hellion, San Pedro Garza Garcia P.C. 66278, Mexico
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Vadalà G, Di Giacomo G, Ambrosio L, Cannata F, Cicione C, Papalia R, Denaro V. Irisin Recovers Osteoarthritic Chondrocytes In Vitro. Cells 2020; 9:cells9061478. [PMID: 32560375 PMCID: PMC7348865 DOI: 10.3390/cells9061478] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 06/14/2020] [Accepted: 06/15/2020] [Indexed: 12/20/2022] Open
Abstract
Physical exercise favors weight loss and ameliorates articular pain and function in patients suffering from osteoarthritis. Irisin, a myokine released upon muscle contraction, has demonstrated to yield anabolic effects on different cell types. This study aimed to investigate the effect of irisin on human osteoarthritic chondrocytes (hOAC) in vitro. Our hypothesis was that irisin would improve hOAC metabolism and proliferation. Cells were cultured in growing media and then exposed to either phosphate-buffered saline (control group) or human recombinant irisin (experimental group). Cell proliferation, glycosaminoglycan content, type II/X collagen gene expression and protein quantification as well as p38/extracellular signal-regulated kinase (ERK) mitogen-activated protein kinase (MAPK), protein kinase B (Akt), c-Jun N-terminal kinase (JNK), and nuclear factor kappa-light-chain-enhancer of activated B cells (NFκB) involvement were evaluated. Furthermore, gene expression of interleukin (IL)-1 and -6, matrix metalloproteinase (MMP)-1 and -13, inducible nitric oxide synthase (iNOS), and tissue inhibitor of matrix metalloproteinases (TIMP)-1 and -3 were investigated following irisin exposure. Irisin increased hOAC cell content and both type II collagen gene expression and protein levels, while decreased type X collagen gene expression and protein levels. Moreover, irisin decreased IL-1, IL-6, MMP-1, MMP-13 and iNOS gene expression, while increased TIMP-1 and TIMP-3 levels. These effects seemed to be mediated by inhibition of p38, Akt, JNK and NFκB signaling pathways. The present study suggested that irisin may stimulate hOAC proliferation and anabolism inhibiting catabolism through p38, Akt, JNK, and NFκB inactivation in vitro, demonstrating the existence of a cross-talk between muscle and cartilage.
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Affiliation(s)
- Gianluca Vadalà
- Laboratory of Regenerative Orthopaedics, Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 200, 00128 Rome, Italy; (G.V.); (G.D.G.); (C.C.); (R.P.); (V.D.)
| | - Giuseppina Di Giacomo
- Laboratory of Regenerative Orthopaedics, Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 200, 00128 Rome, Italy; (G.V.); (G.D.G.); (C.C.); (R.P.); (V.D.)
| | - Luca Ambrosio
- Laboratory of Regenerative Orthopaedics, Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 200, 00128 Rome, Italy; (G.V.); (G.D.G.); (C.C.); (R.P.); (V.D.)
- Correspondence:
| | - Francesca Cannata
- Department of Endocrinology and Diabetes, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 200, 00128 Rome, Italy;
| | - Claudia Cicione
- Laboratory of Regenerative Orthopaedics, Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 200, 00128 Rome, Italy; (G.V.); (G.D.G.); (C.C.); (R.P.); (V.D.)
| | - Rocco Papalia
- Laboratory of Regenerative Orthopaedics, Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 200, 00128 Rome, Italy; (G.V.); (G.D.G.); (C.C.); (R.P.); (V.D.)
| | - Vincenzo Denaro
- Laboratory of Regenerative Orthopaedics, Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 200, 00128 Rome, Italy; (G.V.); (G.D.G.); (C.C.); (R.P.); (V.D.)
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Circulating levels of Meteorin-like protein in polycystic ovary syndrome: A case-control study. PLoS One 2020; 15:e0231943. [PMID: 32330176 PMCID: PMC7182262 DOI: 10.1371/journal.pone.0231943] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 04/04/2020] [Indexed: 02/06/2023] Open
Abstract
Patients diagnosed with polycystic ovary syndrome (PCOS) are at high risk of developing a myriad of endocrinologic and metabolic derailments. Moreover, PCOS is a leading cause of habitual abortion, also known as recurrent pregnancy loss (RPL). Meteorin-like protein (Metrnl) is a newly discovered adipokine with the potential to counteract the metaflammation. This study aimed at determining the associations of serum Metrnl levels with homocysteine, hs-CRP, and some components of metabolic syndrome in PCOS-RPL and infertile PCOS patients.This case-control study was conducted in 120 PCOS patients (60 PCOS-RPL and 60 infertile) and 60 control. Serum hs-CRP and homocysteine were assessed using commercial kits, while adiponectin, Metrnl, FSH, LH, free testosterone and insulin levels were analyzed using ELISA technique. Serum Metrnl levels were found to be lower in PCOS patients when compared to controls (67.98 ± 26.66 vs. 96.47 ± 28.72 pg/mL, P <0.001)). Furthermore, serum adiponectin levels were lower, while free testosterone, fasting insulin, HOMA-IR, homocysteine, and hs-CRP were significantly higher in PCOS group compared to controls. Moreover, serum Metrnl correlated with BMI, adiponectin, and homocysteine in controls, and inversely correlated with FBG, fasting insulin, and HOMA-IR in PCOS group and subgroups. Besides, it inversely correlated with hs-CRP in control, and PCOS group and subgroups. These findings revealed a possible role of Metrnl in the pathogenesis of PCOS and RPL. Nevertheless, there is a necessity for future studies to prove this concept.
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Metabolic Health-The Role of Adipo-Myokines. Int J Mol Sci 2019; 20:ijms20246159. [PMID: 31817641 PMCID: PMC6941068 DOI: 10.3390/ijms20246159] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/02/2019] [Accepted: 12/04/2019] [Indexed: 02/07/2023] Open
Abstract
Obesity is now a worldwide epidemic. In recent years, different phenotypes of obesity, ranging from metabolically healthy normal weight to metabolically unhealthy obese, were described. Although there is no standardized definition for these phenotypes or for metabolic health, the influence of lifestyle and early-life factors is undisputed. In this context, the ratio of muscle-to-fat tissue seems to play a crucial role. Both adipose tissue and skeletal muscle are highly heterogeneous endocrine organs secreting several hormones, with myokines and adipokines being involved in local autocrine/paracrine interactions and crosstalk with other tissues. Some of these endocrine factors are secreted by both tissues and are, therefore, termed adipo-myokines. High (cardiorespiratory) fitness as a surrogate parameter for an active lifestyle is epidemiologically linked to “better” metabolic health, even in the obese; this may be partly due to the role of adipo-myokines and the crosstalk between adipose and muscle tissue. Therefore, it is essential to consider (cardiovascular) fitness in the definition of metabolically healthy obese/metabolic health and to perform longitudinal studies in this regard. A better understanding of both the (early-life) lifestyle factors and the underlying mechanisms that mediate different phenotypes is necessary for the tailored prevention and personalized treatment of obesity.
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