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Kou YB, Yan XQ, Jing QY, Zhang SH, Liu ZZ, Wei YX, Wang YG. LIGHT (TNFSF14) inhibits glucose uptake of adipocytes by downregulating GLUT4 expression via AKT signaling pathway. Biochem Biophys Res Commun 2021; 583:106-113. [PMID: 34735871 DOI: 10.1016/j.bbrc.2021.10.061] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/24/2021] [Accepted: 10/25/2021] [Indexed: 11/22/2022]
Abstract
Glucose homeostasis of adipocytes could be regulated by immune-adipose crosstalk. In order to investigate the effects of Lymphotoxin-like inducible protein that competes with glycoprotein D for herpesvirus entry on T cells (LIGHT) on glucose metabolism, we performed the present study. Our results showed that LIGHT deficiency improved glucose tolerance and enhanced glucose consumption of inguinal white adipose tissue (iWAT) under high fat diet. Consistently, Light overexpression could inhibit glucose uptake during the process of white adipogenesis. Mechanistically, LIGHT interacted with lymphotoxin-β receptor (LTβR) to attenuate AKT pathway leading to downregulation of glucose transporter-4 (GLUT4) expression, which resulted in glucose uptake inhibition. In summary, our findings revealed LIGHT-LTβR-AKT-GLUT4 axis as a regulator of glucose uptake in adipose tissue, which suggested the pivotal role of LIGHT in maintaining glucose homeostasis.
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Affiliation(s)
- Yan-Bo Kou
- Jiangsu Key Laboratory of Immunity and Metabolism, Laboratory of Infection and Immunity, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, China.
| | - Xiao-Qing Yan
- Laboratory of Emergency Medicine, Second Clinical Medical College, Xuzhou Medical University, Xuzhou, China
| | - Qi-Yue Jing
- Jiangsu Key Laboratory of Immunity and Metabolism, Laboratory of Infection and Immunity, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, China
| | - Sheng-Han Zhang
- Jiangsu Key Laboratory of Immunity and Metabolism, Laboratory of Infection and Immunity, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, China
| | - Zhuan-Zhuan Liu
- Jiangsu Key Laboratory of Immunity and Metabolism, Laboratory of Infection and Immunity, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, China
| | - Yan-Xia Wei
- Jiangsu Key Laboratory of Immunity and Metabolism, Laboratory of Infection and Immunity, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, China
| | - Yu-Gang Wang
- Jiangsu Key Laboratory of Immunity and Metabolism, Laboratory of Infection and Immunity, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, China.
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Bu L, Cao X, Zhang Z, Wu H, Guo R, Ma M. Decreased secretion of tumor necrosis factor-α attenuates macrophages-induced insulin resistance in skeletal muscle. Life Sci 2020; 244:117304. [PMID: 31953164 DOI: 10.1016/j.lfs.2020.117304] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 01/09/2020] [Accepted: 01/11/2020] [Indexed: 02/05/2023]
Abstract
AIMS Macrophages, as an important member of immune system, engulf and digest pathogens in innate immunity and help initiate adaptive immunity. However, macrophages also involve in occurrence and development of many diseases, such as obesity and type 2 diabetes. Here, we aimed to reveal how activated macrophages cause insulin resistance in skeletal muscle in vitro through simulating body environment. MAIN METHODS We established RAW264.7 macrophages and C2C12 myotubes co-incubation model in vitro using Transwell filter to simulate body environment and investigated effects of RAW264.7 cells on insulin-regulated glucose metabolism in C2C12 myotubes. Immunofluorescence, Immunoblot and glucose uptake tests were used to assess metabolic changes in C2C12 myotubes. ELISA test detected secretions of tumor necrosis factor α (TNF-α) and interleukin-6 (IL-6) from RAW264.7 cells. In addition, RNA interference and inhibitor treatment were used. KEY FINDINGS Activated RAW264.7 cells attenuated insulin response in C2C12 myotubes. Activated RAW264.7 cells secreted a lot of TNF-α and IL-6. We found that TNFα, but not IL-6, caused insulin resistance of skeletal muscle in a dose-dependent manner. The results further indicated that activation of TNF-α downstream proteins, inhibitor of nuclear factor κ-B kinase (IKK) and the jun-N-terminal kinase 1 (JNK1) led to phosphorylation of insulin receptor substrate 1 (IRS-1) at Ser residues and insulin resistance in C2C12 myotubes. SIGNIFICANCE Our research provided further and direct demonstration on activated macrophage-induced insulin resistance in skeletal muscle, suggesting TNF-α might become a therapeutic target to ameliorate and treat type 2 diabetes.
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Affiliation(s)
- Lixia Bu
- Department of Geratology, Fenyang Hospital of Shanxi Province, Fenyang, Shanxi 032200, PR China
| | - Xiaohong Cao
- Department of Geratology, Fenyang Hospital of Shanxi Province, Fenyang, Shanxi 032200, PR China
| | - Zilong Zhang
- Department of Cardiology, Emergency General Hospital, Beijing 100028, PR China
| | - Huiwen Wu
- Science and Technology Center, Fenyang College of Shanxi Medical University, Shanxi 032200, PR China
| | - Renwei Guo
- Department of Cardiology, Fenyang Hospital of Shanxi Province, Fenyang, Shanxi 032200, PR China.
| | - Mingfeng Ma
- Department of Cardiology, Fenyang Hospital of Shanxi Province, Fenyang, Shanxi 032200, PR China.
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Javadpour P, Dargahi L, Ahmadiani A, Ghasemi R. To be or not to be: PP2A as a dual player in CNS functions, its role in neurodegeneration, and its interaction with brain insulin signaling. Cell Mol Life Sci 2019; 76:2277-2297. [PMID: 30874837 PMCID: PMC11105459 DOI: 10.1007/s00018-019-03063-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 02/16/2019] [Accepted: 03/07/2019] [Indexed: 12/26/2022]
Abstract
Accumulating evidence has reached the consensus that the balance of phosphorylation state of signaling molecules is a pivotal point in the regulation of cell signaling. Therefore, characterizing elements (kinases-phosphatases) in the phosphorylation balance are at great importance. However, the role of phosphatase enzymes is less investigated than kinase enzymes. PP2A is a member of serine/threonine protein phosphatase that its imbalance has been reported in neurodegenerative diseases. Therefore, we reviewed the superfamily of phosphatases and more specifically PP2A, its regulation, and physiological functions participate in CNS. Thereafter, we discussed the latest findings about PP2A dysregulation in Alzheimer and Parkinson diseases and possible interplay between this phosphatase and insulin signaling pathways. Finally, activating/inhibitory modulators for PP2A activity as well as experimental methods for PP2A study have been reviewed.
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Affiliation(s)
- Pegah Javadpour
- Department of Physiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Leila Dargahi
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abolhassan Ahmadiani
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Rasoul Ghasemi
- Department of Physiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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4
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Acharya AB, Chandrashekar A, Acharya S, Shettar L, Thakur S. Serum sTWEAK levels in chronic periodontitis and type 2 diabetes mellitus. Diabetes Metab Syndr 2019; 13:1609-1613. [PMID: 31336529 DOI: 10.1016/j.dsx.2019.03.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Accepted: 03/14/2019] [Indexed: 01/19/2023]
Abstract
AIM The two-way relationship between diabetes mellitus and periodontitis has been extensively studied with various interconnected biomarkers sharing a link. Soluble Tumour Necrosis Factor-like Weak inducer of apoptosis (sTWEAK) is gaining attention as an important mediator in chronic inflammatory diseases. Thus, the aim of this study was to detect, estimate and compare the levels of sTWEAK in the serum of health, chronic periodontitis (CP), and CP with type 2 diabetes mellitus (T2DM). MATERIALS AND METHODS Forty-five participants between 18 and 65 years were divided into groups of 15 each as Group 1: healthy, Group 2: CP, and Group 3: CP + T2DM. Clinical periodontal parameters and glycemic status were assessed. sTWEAK in serum was estimated using a commercially available ELISA kit. The data was statistically analyzed. RESULTS sTWEAK was detected in all participants. Significant differences were observed between the groups for sTWEAK; highest in health, lower in CP and lowest in CP + T2DM. In the diseased groups, the clinical and glycemic parameters correlated positively with each other, whereas sTWEAK correlated negatively with each of the parameters. CONCLUSION The literature reports lower concentrations of systemic sTWEAK in T2DM which may be comparable to our observations in CP + T2DM when compared to health and its negative correlation with all the parameters suggesting an association with both clinical periodontal parameters and glycemic levels. However, serum sTWEAK levels may not be necessarily elevated in periodontitis as previously reported, and hence has the potential to be studied extensively for clarification with its association with T2DM.
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Affiliation(s)
- Anirudh B Acharya
- Department of Periodontics, S.D.M. College of Dental Sciences & Hospital, Dharwad, 580009, Karnataka, India.
| | - Apoorva Chandrashekar
- Department of Periodontics, A.J. Shetty Institute of Dental Sciences, Mangalore, 575004, Karnataka, India
| | - Swetha Acharya
- Department of Oral Pathology & Microbiology, S.D.M. College of Dental Sciences & Hospital, Dharwad, 580009, Karnataka, India
| | - Leena Shettar
- Department of Periodontics, S.D.M. College of Dental Sciences & Hospital, Dharwad, 580009, Karnataka, India
| | - Srinath Thakur
- Department of Periodontics, S.D.M. College of Dental Sciences & Hospital, Dharwad, 580009, Karnataka, India
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Dincgez Cakmak B, Dundar B, Ketenci Gencer F, Aydin BB, Yildiz DE. TWEAK and monocyte to HDL ratio as a predictor of metabolic syndrome in patients with polycystic ovary syndrome. Gynecol Endocrinol 2019; 35:66-71. [PMID: 30241442 DOI: 10.1080/09513590.2018.1490401] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
We aimed at analyzing serum TWEAK levels and monocyte/HDL ratio in polycystic ovary syndrome (PCOS) and their predictivity for metabolic syndrome (MS) in PCOS. We included 71 women with PCOS and 40 healthy controls without any cardiovascular risk factors in this cross-sectional study. Patient group was classified as MS positive (n = 34) and negative (n = 37). Study group had higher monocyte/HDL ratio and TWEAK levels (9.59 ± 2.82 vs 8.2 ± 2.46, p = .007 and 1085.54 ± 780.95 vs 694.88 ± 369.67 ng/ml, p = .009). Monocyte/HDL ratio and TWEAK levels were higher in MS positive group (10.47 ± 2.81 vs 8.77 ± 2.61, p = .01 and 1417.59 ± 921.52 vs 780.41 ± 455.67, p = .009). In multivariate regression analysis, monocyte/HDL ratio (>9.9, OR 3.42, 95%CI 1.41-5.78, p = .008) and TWEAK (>846.5 ng/ml, OR 5.49, 95%CI 3.14-7.59, p = .002) were found to be independent predictors of MS in study group. Discriminative value of monocyte/HDL ratio for MS in study group was evaluated by receiver operating curve. Area under curve for monocyte/HDL ratio was 0.669 with a sensitivity of 70.3% and specifity of 67.7%, cutoff value was >9.9. Receiver operating curve for TWEAK at >846.5 pg/ml threshold to diagnose MS in study group was performed and area under the curve was 0.769 with a sensitivity of 73% and specifity of 72%. TWEAK and monocyte/HDL ratio may be promising in predicting MS at early stages in PCOS to prevent future cardiovascular diseases by modifying life-style or giving pharmacotheraphy.
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Affiliation(s)
- Burcu Dincgez Cakmak
- a Department of Obstetrics and Gynecology , Bursa Yuksek Ihtisas Research and Training Hospital , Bursa , Turkey
| | - Betul Dundar
- a Department of Obstetrics and Gynecology , Bursa Yuksek Ihtisas Research and Training Hospital , Bursa , Turkey
| | - Fatma Ketenci Gencer
- b Department of Obstetrics and Gynecology , Gaziosmanpasa Taksim Research and Training Hospital , Istanbul , Turkey
| | - Boyama Burcu Aydin
- c Department of Obstetrics and Gynecology , Medipol University Esenler Hospital , Istanbul , Turkey
| | - Durkadin Elif Yildiz
- b Department of Obstetrics and Gynecology , Gaziosmanpasa Taksim Research and Training Hospital , Istanbul , Turkey
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Visceral white adipose tissue and serum proteomic alternations in metabolically healthy obese patients undergoing bariatric surgery. Cytokine 2018; 115:76-83. [PMID: 30472106 DOI: 10.1016/j.cyto.2018.11.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 09/21/2018] [Accepted: 11/13/2018] [Indexed: 02/07/2023]
Abstract
Metabolically healthy obesity is characterized as a comorbidity-free obesity status, however the exact pathogenetic mechanisms implicated in its transition to unhealthy obesity have not yet been unveiled. Our aim was to investigate the effect of metabolic health on the proteomic profile both in serum and visceral fat of morbidly obese subjects. 28 patients undergoing bariatric surgery were prospectively enrolled. They were divided into two groups: metabolically healthy (MHO, n = 18) and unhealthy (MUO, n = 10) obese patients. 30 biomarkers were measured in serum and visceral adipose tissue with the use of targeted proteomic analysis (Luminex assays). TNF weak inducer of apoptosis (TWEAK) (p = 0.043), TNF related apoptosis inducing ligand (TRAIL) (p = 0.037), Growth differentiation factor-15 (GDF-15) (p = 0.04), Resistin (RETN) (p = 0.047), Matrix metalloproteinase-9 (MMP-9) (p = 0.011) and C-terminal telopeptide (ICTP) (p = 0.022) were up-regulated in the MUO group in the visceral white adipose tissue. Moreover, C-C motif ligand-3 (CCL-3) (p = 0.056), Interleukin-20 (IL-20) (p = 0.04), Prokineticin-1 (PROK-1) (p = 0.028) and TWEAK (p = 0.016) were found to be suppressed in the serum of MHO group. Significant correlations between serum and adipose tissue levels of certain cytokines were also observed, while 16 biomarkers were associated with BMI. Our results indicate metabolic health substantially attenuates the expression of TWEAK, TRAIL, GDF-15, RETN, MMP-9 and ICTP expression locally, in the visceral white adipose tissue, and the expression of CCL-3, IL-20, PROK-1 and TWEAK in the peripheral blood. Intriguingly, different cytokines -except for TWEAK- are up-regulated in each site, suggesting that obesity is not a homogenous but a multi-dimensional disease.
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Icli A, Cure MC, Cure E, Arslan S, Unal M, Sakiz D, Ozucan M, Toker A, Turkmen K, Kucuk A. Soluble Tumor Necrosis Factor (TNF)-Like Weak Inducer of Apoptosis (Tweak) Independently Predicts Subclinical Atherosclerosis in Behcet's Disease. ACTA MEDICA (HRADEC KRALOVE) 2018; 61:86-92. [PMID: 30543512 DOI: 10.14712/18059694.2018.123] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Vasculopathy is a major cause of mortality and morbidity in Behcet's Disease (BD). Subclinical atherosclerosis can even be detected in the early stage of BD. Soluble tumor necrosis factor-like (TNF) weak inducer of apoptosis (TWEAK) is known as a good marker of the inflammation in vascular tree. The aim of this study is to examine the relationship between carotid artery intima-media thickness (cIMT) and serum TWEAK levels in patients with BD. MATERIALS AND METHODS In line with International BD Study Group criteria, 48 BD, and 30 controls were included in our study. Disease activity was evaluated according to BD current activity form (BDCAF). C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), lipid parameters, serum TWEAK levels, and cIMT were measured. RESULTS Disease activity score of BD patients was found as 2 (range 0-7). cIMT, serum TWEAK, CRP and ESR levels of BD patients were significantly higher comparing to cIMT (0.62 ± 0.13 mm vs. 0.43 ± 0.09 mm, p < 0.001), serum TWEAK (667.5 ± 130.6 vs. 603.4 ± 89.6 pg/ml, p = 0.015), CRP (3.9 ± 4.3 vs. 1.4 ± 1.0 mg/dl, p < 0.001) and ESR (10.2 ± 10.0 vs. 5.6 ± 3.7 mm/h, p = 0.005) levels of the control group. There was a positive correlation between serum TWEAK level and disease activity (r = 0.251, p = 0.030) and cIMT (r = 0.463, p < 0.001). Our study also revealed an independent correlation between cIMT and serum TWEAK levels (beta = 0.354, p < 0.001). CONCLUSION Increased serum TWEAK levels can play a part in the development of atherosclerotic heart disease in BD. Due to their liability to atherosclerosis, patients with BD must followed closely.
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Affiliation(s)
- Abdullah Icli
- Department of Cardiology, Necmettin Erbakan University, Konya, Turkey
| | | | - Erkan Cure
- Department of Internal Medicine, Camlica Erdem Hospital, Istanbul, Turkey.
| | - Sevket Arslan
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Mehmet Unal
- Department of Dermatology, Konya Numune Hospital, Konya, Turkey
| | - Davut Sakiz
- Division of Endocrinology, Department of Internal Medicine, Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey
| | - Miyase Ozucan
- Department of Internal Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Aysun Toker
- Department of Biochemistry, Necmettin Erbakan University, Konya, Turkey
| | - Kultigin Turkmen
- Division of Nephrology, Department of Internal Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Adem Kucuk
- Division of Rheumatology, Department of Internal Medicine, Malatya State Hospital, Malatya, Turkey
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Escoté X, Gómez-Zorita S, López-Yoldi M, Milton-Laskibar I, Fernández-Quintela A, Martínez JA, Moreno-Aliaga MJ, Portillo MP. Role of Omentin, Vaspin, Cardiotrophin-1, TWEAK and NOV/CCN3 in Obesity and Diabetes Development. Int J Mol Sci 2017; 18:ijms18081770. [PMID: 28809783 PMCID: PMC5578159 DOI: 10.3390/ijms18081770] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 08/09/2017] [Accepted: 08/10/2017] [Indexed: 01/22/2023] Open
Abstract
Adipose tissue releases bioactive mediators called adipokines. This review focuses on the effects of omentin, vaspin, cardiotrophin-1, Tumor necrosis factor-like Weak Inducer of Apoptosis (TWEAK) and nephroblastoma overexpressed (NOV/CCN3) on obesity and diabetes. Omentin is produced by the stromal-vascular fraction of visceral adipose tissue. Obesity reduces omentin serum concentrations and adipose tissue secretion in adults and adolescents. This adipokine regulates insulin sensitivity, but its clinical relevance has to be confirmed. Vaspin is produced by visceral and subcutaneous adipose tissues. Vaspin levels are higher in obese subjects, as well as in subjects showing insulin resistance or type 2 diabetes. Cardiotrophin-1 is an adipokine with a similar structure as cytokines from interleukin-6 family. There is some controversy regarding the regulation of cardiotrophin-1 levels in obese -subjects, but gene expression levels of cardiotrophin-1 are down-regulated in white adipose tissue from diet-induced obese mice. It also shows anti-obesity and hypoglycemic properties. TWEAK is a potential regulator of the low-grade chronic inflammation characteristic of obesity. TWEAK levels seem not to be directly related to adiposity, and metabolic factors play a critical role in its regulation. Finally, a strong correlation has been found between plasma NOV/CCN3 concentration and fat mass. This adipokine improves insulin actions.
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Affiliation(s)
- Xavier Escoté
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, 31008 Pamplona, Spain.
- Centre for Nutrition Research, University of Navarra, 31008 Pamplona, Spain.
| | - Saioa Gómez-Zorita
- Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, 01006 Vitoria, Spain.
- Spanish Biomedical Research Centre in Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, 01006 Vitoria, Spain.
| | - Miguel López-Yoldi
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, 31008 Pamplona, Spain.
- Centre for Nutrition Research, University of Navarra, 31008 Pamplona, Spain.
| | - Iñaki Milton-Laskibar
- Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, 01006 Vitoria, Spain.
- Spanish Biomedical Research Centre in Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, 01006 Vitoria, Spain.
| | - Alfredo Fernández-Quintela
- Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, 01006 Vitoria, Spain.
- Spanish Biomedical Research Centre in Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, 01006 Vitoria, Spain.
| | - J Alfredo Martínez
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, 31008 Pamplona, Spain.
- Centre for Nutrition Research, University of Navarra, 31008 Pamplona, Spain.
- Spanish Biomedical Research Centre in Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, 01006 Vitoria, Spain.
- Navarra Institute for Health Research (IdiSNa), 31008 Pamplona, Spain.
| | - María J Moreno-Aliaga
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, 31008 Pamplona, Spain.
- Centre for Nutrition Research, University of Navarra, 31008 Pamplona, Spain.
- Spanish Biomedical Research Centre in Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, 01006 Vitoria, Spain.
- Navarra Institute for Health Research (IdiSNa), 31008 Pamplona, Spain.
| | - María P Portillo
- Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, 01006 Vitoria, Spain.
- Spanish Biomedical Research Centre in Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, 01006 Vitoria, Spain.
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Sequera C, Vázquez-Carballo A, Arechederra M, Fernández-Veledo S, Porras A. TWEAK promotes migration and invasion in MEFs through a mechanism dependent on ERKs activation and Fibulin 3 down-regulation. J Cell Physiol 2017; 233:968-978. [PMID: 28383766 DOI: 10.1002/jcp.25942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 03/30/2017] [Indexed: 11/10/2022]
Abstract
TWEAK regulates multiple physio-pathological processes in fibroblasts such as fibrosis. It also induces migration and invasion in tumors and it can activate p38 MAPK in various cell types. Moreover, p38α MAPK promotes migration and invasion in several cancer cells types and in mouse embryonic fibroblasts (MEFs). However, it remains unknown if TWEAK could promote migration in fibroblasts and whether p38α MAPK might play a role. Our results reveal that TWEAK activates ERKs, Akt, and p38α/β MAPKs and reduces secreted Fibulin 3 in MEFs. TWEAK also increases migration and invasion in wt and p38α deficient MEFs, which indicates that p38α MAPK is not required to mediate these effects. In contrast, ERKs inhibition significantly decreases TWEAK-induced migration and Fibulin 3 knock-down mimics TWEAK effect. These results indicate that both ERKs activation and Fibulin 3 down-regulation would contribute to mediate TWEAK pro-migratory effect. In fact, the additional regulation of ERKs and/or p38β as a consequence of Fibulin 3 decrease might be also involved in the pro-migratory effect of TWEAK in MEFs. In conclusion, our studies uncover novel mechanisms by which TWEAK would favor tissue repair by promoting fibroblasts migration.
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Affiliation(s)
- Celia Sequera
- Facultad de Farmacia, Departamento de Bioquímica y Biología Molecular II, Universidad Complutense de Madrid, Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Ana Vázquez-Carballo
- Facultad de Farmacia, Departamento de Bioquímica y Biología Molecular II, Universidad Complutense de Madrid, Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - María Arechederra
- Facultad de Farmacia, Departamento de Bioquímica y Biología Molecular II, Universidad Complutense de Madrid, Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Sonia Fernández-Veledo
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain.,Hospital Universitari de Tarragona Joan XXIII, IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Almudena Porras
- Facultad de Farmacia, Departamento de Bioquímica y Biología Molecular II, Universidad Complutense de Madrid, Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
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10
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JNK Signaling: Regulation and Functions Based on Complex Protein-Protein Partnerships. Microbiol Mol Biol Rev 2016; 80:793-835. [PMID: 27466283 DOI: 10.1128/mmbr.00043-14] [Citation(s) in RCA: 321] [Impact Index Per Article: 40.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The c-Jun N-terminal kinases (JNKs), as members of the mitogen-activated protein kinase (MAPK) family, mediate eukaryotic cell responses to a wide range of abiotic and biotic stress insults. JNKs also regulate important physiological processes, including neuronal functions, immunological actions, and embryonic development, via their impact on gene expression, cytoskeletal protein dynamics, and cell death/survival pathways. Although the JNK pathway has been under study for >20 years, its complexity is still perplexing, with multiple protein partners of JNKs underlying the diversity of actions. Here we review the current knowledge of JNK structure and isoforms as well as the partnerships of JNKs with a range of intracellular proteins. Many of these proteins are direct substrates of the JNKs. We analyzed almost 100 of these target proteins in detail within a framework of their classification based on their regulation by JNKs. Examples of these JNK substrates include a diverse assortment of nuclear transcription factors (Jun, ATF2, Myc, Elk1), cytoplasmic proteins involved in cytoskeleton regulation (DCX, Tau, WDR62) or vesicular transport (JIP1, JIP3), cell membrane receptors (BMPR2), and mitochondrial proteins (Mcl1, Bim). In addition, because upstream signaling components impact JNK activity, we critically assessed the involvement of signaling scaffolds and the roles of feedback mechanisms in the JNK pathway. Despite a clarification of many regulatory events in JNK-dependent signaling during the past decade, many other structural and mechanistic insights are just beginning to be revealed. These advances open new opportunities to understand the role of JNK signaling in diverse physiological and pathophysiological states.
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López-Dupla M, Maymó-Masip E, Martínez E, Domingo P, Leal M, Peraire J, Viladés C, Veloso S, Arnedo M, Ferrando-Martínez S, Beltrán-Debón R, Alba V, Gatell JM, Vendrell J, Vidal F, Chacón MR. HIV-1/HAART-Related Lipodystrophy Syndrome (HALS) Is Associated with Decreased Circulating sTWEAK Levels. PLoS One 2015; 10:e0144789. [PMID: 26658801 PMCID: PMC4684375 DOI: 10.1371/journal.pone.0144789] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 11/22/2015] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Obesity and HIV-1/HAART-associated lipodystrophy syndrome (HALS) share clinical, pathological and mechanistic features. Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) is a multifunctional cytokine that plays an important role in obesity and related diseases. We sought to explore the relationship between HALS and circulating levels of soluble (s) TWEAK and its scavenger receptor sCD163. METHODS This was a cross-sectional multicenter study of 120 HIV-1-infected patients treated with a stable HAART regimen; 56 with overt HALS and 64 without HALS. Epidemiological and clinical variables were determined. Serum levels of sTWEAK and sCD163 levels were measured by ELISA. Results were analyzed with Student's t-test, Mann-Whitney U and χ2 test. Pearson and Spearman correlation were used to estimate the strength of association between variables. RESULTS Circulating sTWEAK was significantly decreased in HALS patients compared with non-HALS patients (2.81±0.2 vs. 2.94±0.28 pg/mL, p = 0.018). No changes were observed in sCD163 levels in the studied cohorts. On multivariate analysis, a lower log sTWEAK concentration was independently associated with the presence of HALS (OR 0.027, 95% CI 0.001-0.521, p = 0.027). CONCLUSIONS HALS is associated with decreased sTWEAK levels.
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Affiliation(s)
- Miguel López-Dupla
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Elsa Maymó-Masip
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), Tarragona, Spain
| | | | - Pere Domingo
- Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Manuel Leal
- Hospital Universitario Virgen del Rocio, IBIS, Universidad de Sevilla, Sevilla, Spain
| | - Joaquim Peraire
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Consuelo Viladés
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Sergi Veloso
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Mireia Arnedo
- Hospital Clinic, Universitat de Barcelona, Barcelona, Spain
| | | | - Raúl Beltrán-Debón
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Verónica Alba
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | | | - Joan Vendrell
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), Tarragona, Spain
| | - Francesc Vidal
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Matilde R. Chacón
- Hospital Universitari Joan XXIII. IISPV, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), Tarragona, Spain
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12
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Grant RW, Stephens JM. Fat in flames: influence of cytokines and pattern recognition receptors on adipocyte lipolysis. Am J Physiol Endocrinol Metab 2015; 309:E205-13. [PMID: 26058863 DOI: 10.1152/ajpendo.00053.2015] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 06/03/2015] [Indexed: 12/26/2022]
Abstract
Adipose tissue has the largest capacity to store energy in the body and provides energy through the release of free fatty acids during times of energy need. Different types of immune cells are recruited to adipose tissue under various physiological conditions, indicating that these cells contribute to the regulation of adipose tissue. One major pathway influenced by a number of immune cells is the release of free fatty acids through lipolysis during both physiological (e.g., cold stress) and pathophysiological processes (e.g., obesity, type 2 diabetes). Adipose tissue expansion during obesity leads to immune cell infiltration and adipose tissue remodeling, a homeostatic process that promotes inflammation in adipose tissue. The release of proinflammatory cytokines stimulates lipolysis and causes insulin resistance, leading to adipose tissue dysfunction and systemic disruptions of metabolism. This review focuses on the interactions of cytokines and other inflammatory molecules that regulate adipose tissue lipolysis during physiological and pathophysiological states.
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Affiliation(s)
- Ryan W Grant
- Department of Nutrition Science, Purdue University, West Lafayette, Indiana
| | - Jacqueline M Stephens
- Adipocyte Biology Lab, Pennington Biomedical Research Center, Baton Rouge, Louisiana; and Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana
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13
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Ceperuelo-Mallafré V, Ejarque M, Duran X, Pachón G, Vázquez-Carballo A, Roche K, Núñez-Roa C, Garrido-Sánchez L, Tinahones FJ, Vendrell J, Fernández-Veledo S. Zinc-α2-Glycoprotein Modulates AKT-Dependent Insulin Signaling in Human Adipocytes by Activation of the PP2A Phosphatase. PLoS One 2015; 10:e0129644. [PMID: 26068931 PMCID: PMC4465909 DOI: 10.1371/journal.pone.0129644] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 05/07/2015] [Indexed: 11/30/2022] Open
Abstract
Objective Evidence from mouse models suggests that zinc-α2-glycoprotein (ZAG) is a novel anti-obesity adipokine. In humans, however, data are controversial and its physiological role in adipose tissue (AT) remains unknown. Here we explored the molecular mechanisms by which ZAG regulates carbohydrate metabolism in human adipocytes. Methods ZAG action on glucose uptake and insulin action was analyzed. β1 and β2-adrenoreceptor (AR) antagonists and siRNA targeting PP2A phosphatase were used to examine the mechanisms by which ZAG modulates insulin sensitivity. Plasma levels of ZAG were measured in a lean patient cohort stratified for HOMA-IR. Results ZAG treatment increased basal glucose uptake, correlating with an increase in GLUT expression, but induced insulin resistance in adipocytes. Pretreatment of adipocytes with propranolol and a specific β1-AR antagonist demonstrated that ZAG effects on basal glucose uptake and GLUT4 expression are mediated via β1-AR, whereas inhibition of insulin action is dependent on β2-AR activation. ZAG treatment correlated with an increase in PP2A activity. Silencing of the PP2A catalytic subunit abrogated the negative effect of ZAG on insulin-stimulated AKT phosphorylation and glucose uptake but not on GLUT4 expression and basal glucose uptake. ZAG circulating levels were unchanged in a lean patient cohort stratified for HOMA-IR. Neither glucose nor insulin was associated with plasma ZAG. Conclusions ZAG inhibits insulin-induced glucose uptake in human adipocytes by impairing insulin signaling at the level of AKT in a β2-AR- and PP2A-dependent manner.
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Affiliation(s)
- Victòria Ceperuelo-Mallafré
- Hospital Universitari de Tarragona Joan XXIII, Institut d´Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Miriam Ejarque
- Hospital Universitari de Tarragona Joan XXIII, Institut d´Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Xavier Duran
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Gisela Pachón
- Hospital Universitari de Tarragona Joan XXIII, Institut d´Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Ana Vázquez-Carballo
- Departament of Biochemistry and Molecular Biology II, School of Pharmacy, Complutense University, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain
| | - Kelly Roche
- Hospital Universitari de Tarragona Joan XXIII, Institut d´Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Catalina Núñez-Roa
- Hospital Universitari de Tarragona Joan XXIII, Institut d´Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Lourdes Garrido-Sánchez
- Hospital Universitario Virgen de la Victoria, Instituto de Investigaciones Biomédicas de Málaga, Málaga, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Francisco J. Tinahones
- Hospital Universitario Virgen de la Victoria, Instituto de Investigaciones Biomédicas de Málaga, Málaga, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Joan Vendrell
- Hospital Universitari de Tarragona Joan XXIII, Institut d´Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
- * E-mail: (JV); (SFV)
| | - Sonia Fernández-Veledo
- Hospital Universitari de Tarragona Joan XXIII, Institut d´Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Tarragona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
- * E-mail: (JV); (SFV)
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Chen L, Chen R, Wang H, Liang F. Mechanisms Linking Inflammation to Insulin Resistance. Int J Endocrinol 2015; 2015:508409. [PMID: 26136779 PMCID: PMC4468292 DOI: 10.1155/2015/508409] [Citation(s) in RCA: 305] [Impact Index Per Article: 33.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 05/04/2015] [Indexed: 12/14/2022] Open
Abstract
Obesity is now widespread around the world. Obesity-associated chronic low-grade inflammation is responsible for the decrease of insulin sensitivity, which makes obesity a major risk factor for insulin resistance and related diseases such as type 2 diabetes mellitus and metabolic syndromes. The state of low-grade inflammation is caused by overnutrition which leads to lipid accumulation in adipocytes. Obesity might increase the expression of some inflammatory cytokines and activate several signaling pathways, both of which are involved in the pathogenesis of insulin resistance by interfering with insulin signaling and action. It has been suggested that specific factors and signaling pathways are often correlated with each other; therefore, both of the fluctuation of cytokines and the status of relevant signaling pathways should be considered during studies analyzing inflammation-related insulin resistance. In this paper, we discuss how these factors and signaling pathways contribute to insulin resistance and the therapeutic promise targeting inflammation in insulin resistance based on the latest experimental studies.
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Affiliation(s)
- Li Chen
- Hubei University of Chinese Medicine, Wuhan 430061, China
- Hubei Provincial Collaborative Innovation Center of Preventive Treatment by Acupuncture and Moxibustion, Wuhan 430061, China
| | - Rui Chen
- Integrated TCM and Western Medicine Department, Union Hospital, Tongji Medical College of Huazhong Science and Technology University, Wuhan 430022, China
| | - Hua Wang
- Hubei Provincial Collaborative Innovation Center of Preventive Treatment by Acupuncture and Moxibustion, Wuhan 430061, China
- Acupuncture and Moxibustion College, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Fengxia Liang
- Hubei Provincial Collaborative Innovation Center of Preventive Treatment by Acupuncture and Moxibustion, Wuhan 430061, China
- Acupuncture and Moxibustion College, Hubei University of Chinese Medicine, Wuhan 430061, China
- *Fengxia Liang:
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15
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Simón-Muela I, Llauradó G, Chacón MR, Olona M, Näf S, Maymó-Masip E, Gil P, de la Flor M, Gonzalez Clemente JM, Vendrell J, Megía A. Reduced circulating levels of TWEAK are associated with gestational diabetes mellitus. Eur J Clin Invest 2015; 45:27-35. [PMID: 25443800 DOI: 10.1111/eci.12375] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Accepted: 11/10/2014] [Indexed: 01/12/2023]
Abstract
BACKGROUND To evaluate the inflammatory axis mediated by tumour necrosis factor-like weak inducer of apoptosis (TWEAK) and its scavenger receptor CD163 during pregnancy and their influence on insulin sensitivity in normal pregnancy and in gestational diabetes mellitus (GDM). MATERIALS AND METHODS One hundred and thirty seven women with one singleton pregnancy, 71 with normal glucose tolerance (NGT) and 66 with GDM were studied. Glucose metabolism was assessed by oral glucose tolerance test. Serum concentrations of soluble TWEAK (sTWEAK) and CD163 (sCD163) and insulin resistance (HOMA-IR index) were determined in maternal blood drawn at recruitment, in the early third trimester. Offspring weight and height were assessed at birth. RESULTS Women with GDM had lower circulating sTWEAK concentrations than control NGT group (237·8 (192·1-301·0) pg/mL vs. 277·2 (206·4-355·7) pg/mL; P = 0·013). sTWEAK was negatively associated with the presence of GDM (r = -0·212; P = 0·013), HOMA-IR index (r = -0·197; P = 0·021) and ponderal index of the newborn (r = -0·196; P = 0·025), but positively with HDL cholesterol (r = 0·283; P = 0·001). In multiple regression analysis, sTWEAK concentration emerged as one of the main predictors of insulin resistance, along with BMI, triglycerides and low concentrations of HDL cholesterol (R(2) = 0·486; P < 0·001). No relationship was found between HOMA-IR index and sCD163 or sCD163/sTWEAK ratio. CONCLUSIONS sTWEAK concentrations are lower in patients with GDM compared with healthy pregnant women, and low concentrations of sTWEAK are associated with insulin resistance. These findings suggest that insulin resistance during pregnancy is closely linked to inflammatory imbalance and sTWEAK may represent a new candidate associated with GDM.
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Affiliation(s)
- Inmaculada Simón-Muela
- Endocrinology, Diabetes and Nutrition Section, Hospital Universitari de Tarragona Joan XXIII, Universitat Rovira i Virgili, Tarragona, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
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16
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Rojo-Martínez G, Maymó-Masip E, Rodríguez MM, Solano E, Goday A, Soriguer F, Valdés S, Chaves FJ, Delgado E, Colomo N, Hernández P, Vendrell J, Chacón MR. Serum sCD163 levels are associated with type 2 diabetes mellitus and are influenced by coffee and wine consumption: results of the Di@bet.es study. PLoS One 2014; 9:e101250. [PMID: 24978196 PMCID: PMC4076325 DOI: 10.1371/journal.pone.0101250] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 06/04/2014] [Indexed: 01/19/2023] Open
Abstract
OBJECTIVE Serum levels of soluble TNF-like weak inducer of apoptosis (sTWEAK) and its scavenger receptor CD163 (sCD163) have been linked to insulin resistance. We analysed the usefulness of these cytokines as biomarkers of type 2 diabetes in a Spanish cohort, together with their relationship to food consumption in the setting of the Di@bet.es study. RESEARCH DESIGN AND METHODS This is a cross-sectional, matched case-control study of 514 type 2 diabetes subjects and 517 controls with a Normal Oral Glucose Tolerance Test (NOGTT), using data from the Di@bet.es study. Study variables included clinical and demographic structured survey, food frequency questionnaire and physical examination. Serum concentrations of sTWEAK and sCD163 were measured by ELISA. Linear regression analysis determined which variables were related to sTWEAK and sCD163 levels. Logistic regression analysis was used to estimate odd ratios of presenting type 2 diabetes. RESULTS sCD163 concentrations and sCD163/sTWEAK ratio were 11.0% and 15.0% higher, respectively, (P<0.001) in type 2 diabetes than in controls. Following adjustment for various confounders, the OR for presenting type 2 diabetes in subjects in the highest vs the lowest tertile of sCD163 was [(OR), 2,01 (95%CI, 1,46-2,97); P for trend <0.001]. Coffee and red wine consumption was negatively associated with serum levels of sCD163 (P = 0.0001 and; P = 0.002 for coffee and red wine intake, respectively). CONCLUSIONS High circulating levels of sCD163 are associated with type 2 diabetes in the Spanish population. The association between coffee and red wine intake and these biomarkers deserves further study to confirm its potential role in type 2 diabetes.
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Affiliation(s)
- Gemma Rojo-Martínez
- UGCI de Endocrinología y Nutrición, Instituto de Biomedicina de Málaga (IBIMA), Hospital Regional Universitario, Málaga, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas CIBERDEM, Barcelona, Spain
| | - Elsa Maymó-Masip
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas CIBERDEM, Barcelona, Spain
- Hospital Universitari de Tarragona Joan XXIII, IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - M. Mar Rodríguez
- CIBERObn Fisiopatología, Obesidad y Nutrición, Institut D’investigacio Biomedica De Girona Dr Josep Trueta, Girona, Spain
| | - Esther Solano
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas CIBERDEM, Barcelona, Spain
- Hospital Universitari de Tarragona Joan XXIII, IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Albert Goday
- Department of Endocrinology and Nutrition Hospital del Mar, Parc de Salut Mar, Universitat Autónoma de Barcelona, Barcelona, Spain
| | - Federico Soriguer
- UGCI de Endocrinología y Nutrición, Instituto de Biomedicina de Málaga (IBIMA), Hospital Regional Universitario, Málaga, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas CIBERDEM, Barcelona, Spain
| | - Sergio Valdés
- UGCI de Endocrinología y Nutrición, Instituto de Biomedicina de Málaga (IBIMA), Hospital Regional Universitario, Málaga, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas CIBERDEM, Barcelona, Spain
| | - Felipe Javier Chaves
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas CIBERDEM, Barcelona, Spain
- Genotyping and Genetic Diagnosis Unit, Fundación de Investigación del Hospital Clínico de Valencia-INCLIVA, Valencia, Spain
| | - Elías Delgado
- Departamento de Medicina-Endocrinología y Nutrición, Hospital Universitario Central de Asturias (HUCA), Universidad de Oviedo, Oviedo, Spain
| | - Natalia Colomo
- UGCI de Endocrinología y Nutrición, Instituto de Biomedicina de Málaga (IBIMA), Hospital Regional Universitario, Málaga, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas CIBERDEM, Barcelona, Spain
| | - Pilar Hernández
- Hospital Universitari de Tarragona Joan XXIII, IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Joan Vendrell
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas CIBERDEM, Barcelona, Spain
- Hospital Universitari de Tarragona Joan XXIII, IISPV, Universitat Rovira i Virgili, Tarragona, Spain
| | - Matilde R. Chacón
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas CIBERDEM, Barcelona, Spain
- Hospital Universitari de Tarragona Joan XXIII, IISPV, Universitat Rovira i Virgili, Tarragona, Spain
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17
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Díaz-López A, Bulló M, Chacón MR, Estruch R, Vendrell J, Díez-Espino J, Fitó M, Corella D, Salas-Salvadó J. Reduced circulating sTWEAK levels are associated with metabolic syndrome in elderly individuals at high cardiovascular risk. Cardiovasc Diabetol 2014; 13:51. [PMID: 24565471 PMCID: PMC3974038 DOI: 10.1186/1475-2840-13-51] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Accepted: 02/20/2014] [Indexed: 12/18/2022] Open
Abstract
Background The circulating soluble TNF-like weak inducer of apoptosis (sTWEAK) is a cytokine that modulates inflammatory and atherogenic reactions related to cardiometabolic risk. We investigated the association between sTWEAK levels and metabolic syndrome (MetS) and its components in older subjects at high cardiovascular risk. Methods Cross-sectional analysis of 452 non-diabetic individuals (men and women aged 55–80 years) at high cardiovascular risk. MetS was defined by AHA/NHLBI and IDF criteria. Logistic regression analyses were used to estimate odds ratios (ORs) for MetS and its components by tertiles of serum sTWEAK concentrations measured by ELISA. Results sTWEAK concentrations were lower in subjects with MetS than in those without. In gender- and age-adjusted analyses, subjects in the lowest sTWEAK tertile had higher ORs for overall MetS [1.71 (95% CI, 1.07-2.72)] and its components abdominal obesity [2.01 (1.15-3.52)], hyperglycemia [1.94 (1.20-3.11)], and hypertriglyceridemia [1.73 (1.05-2.82)] than those in the upper tertile. These associations persisted after controlling for family history of diabetes and premature coronary heart disease, lifestyle, kidney function and other MetS components. sTWEAK concentrations decreased as the number of MetS components increased. Individuals in the lowest vs the upper sTWEAK tertile had an increased risk of disclosing greater number of MetS features. Adjusted ORs for individuals with 2 vs ≤1, 3 vs ≤1, and ≥4 vs ≤ 1 MetS components were 2.60 (1.09-6.22), 2.83 (1.16-6.87) and 6.39 (2.42-16.85), respectively. Conclusion In older subjects at high cardiovascular risk, reduced sTWEAK levels are associated with MetS: abdominal obesity, hypertriglyceridemia and hyperglycemia are the main contributors to this association.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Jordi Salas-Salvadó
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, IISPV, Universitat Rovira i Virgili, C/ Sant Llorenç, 21, Reus, Tarragona 43201, Spain.
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Enwere EK, Lacasse EC, Adam NJ, Korneluk RG. Role of the TWEAK-Fn14-cIAP1-NF-κB Signaling Axis in the Regulation of Myogenesis and Muscle Homeostasis. Front Immunol 2014; 5:34. [PMID: 24550918 PMCID: PMC3913901 DOI: 10.3389/fimmu.2014.00034] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Accepted: 01/21/2014] [Indexed: 12/16/2022] Open
Abstract
Mammalian skeletal muscle maintains a robust regenerative capacity throughout life, largely due to the presence of a stem cell population known as “satellite cells” in the muscle milieu. In normal conditions, these cells remain quiescent; they are activated upon injury to become myoblasts, which proliferate extensively and eventually differentiate and fuse to form new multinucleated muscle fibers. Recent findings have identified some of the factors, including the cytokine TNFα-like weak inducer of apoptosis (TWEAK), which govern these cells’ decisions to proliferate, differentiate, or fuse. In this review, we will address the functions of TWEAK, its receptor Fn14, and the associated signal transduction molecule, the cellular inhibitor of apoptosis 1 (cIAP1), in the regulation of myogenesis. TWEAK signaling can activate the canonical NF-κB signaling pathway, which promotes myoblast proliferation and inhibits myogenesis. In addition, TWEAK activates the non-canonical NF-κB pathway, which, in contrast, promotes myogenesis by increasing myoblast fusion. Both pathways are regulated by cIAP1, which is an essential component of downstream signaling mediated by TWEAK and similar cytokines. This review will focus on the seemingly contradictory roles played by TWEAK during muscle regeneration, by highlighting the interplay between the two NF-κB pathways under physiological and pathological conditions. We will also discuss how myogenesis is negatively affected by chronic conditions, which affect homeostasis of the skeletal muscle environment.
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Affiliation(s)
- Emeka K Enwere
- Department of Medical Microbiology and Immunology, University of Alberta , Edmonton, AB , Canada
| | - Eric C Lacasse
- Solange Gauthier Karsh Molecular Genetics Laboratory, Apoptosis Research Centre, Children's Hospital of Eastern Ontario Research Institute , Ottawa, ON , Canada
| | - Nadine J Adam
- Solange Gauthier Karsh Molecular Genetics Laboratory, Apoptosis Research Centre, Children's Hospital of Eastern Ontario Research Institute , Ottawa, ON , Canada ; Department of Biochemistry, Microbiology and Immunology, University of Ottawa , Ottawa, ON , Canada
| | - Robert G Korneluk
- Solange Gauthier Karsh Molecular Genetics Laboratory, Apoptosis Research Centre, Children's Hospital of Eastern Ontario Research Institute , Ottawa, ON , Canada ; Department of Biochemistry, Microbiology and Immunology, University of Ottawa , Ottawa, ON , Canada
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19
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Trebing J, Lang I, Chopra M, Salzmann S, Moshir M, Silence K, Riedel SS, Siegmund D, Beilhack A, Otto C, Wajant H. A novel llama antibody targeting Fn14 exhibits anti-metastatic activity in vivo. MAbs 2014; 6:297-308. [PMID: 24135629 PMCID: PMC3929451 DOI: 10.4161/mabs.26709] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 10/02/2013] [Accepted: 10/04/2013] [Indexed: 12/30/2022] Open
Abstract
Expression of fibroblast growth factor (FGF)-inducible 14 (Fn14), a member of the tumor necrosis factor receptor superfamily, is typically low in healthy adult organisms, but strong Fn14 expression is induced in tissue injury and tissue remodeling. High Fn14 expression is also observed in solid tumors, which is why this receptor is under consideration as a therapeutic target in oncology. Here, we describe various novel mouse-human cross-reactive llama-derived recombinant Fn14-specific antibodies (5B6, 18D1, 4G5) harboring the human IgG1 Fc domain. In contrast to recombinant variants of the established Fn14-specific antibodies PDL192 and P4A8, all three llama-derived antibodies efficiently bound to the W42A and R56P mutants of human Fn14. 18D1 and 4G5, but not 5B6, efficiently blocked TNF-like weak inducer of apoptosis(TWEA K) binding at low concentrations (0.2–2 μg/ml). Oligomerization and Fcγ receptor (FcγR) binding converted all antibodies into strong Fn14 agonists. Variants of 18D1 with enhanced and reduced antibody-dependent cell-mediated cytotoxicity (ADCC) activity were further analyzed in vivo with respect to their effect on metastasis. In a xenogeneic model using human colon carcinoma cancer cells, both antibody variants were effective in reducing metastasis to the liver. In contrast, only the 18D1 variant with enhanced ADCC activity, but not its ADCC-defective counterpart, suppressed lung metastasis in the RE NCA model. In sum, this suggests that Fn14 targeting might primarily act by triggering of antibody effector functions, but also by blockade of TWEA K-Fn14 interaction in some cases
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Affiliation(s)
- Johannes Trebing
- Division of Molecular Internal Medicine; Department of Internal Medicine II; University Hospital of Würzburg; Würzburg, Germany
| | - Isabell Lang
- Division of Molecular Internal Medicine; Department of Internal Medicine II; University Hospital of Würzburg; Würzburg, Germany
| | - Martin Chopra
- IZKF Research Laboratory for Experimental Stem Cell Transplantation; Department of Internal Medicine II; University Hospital of Würzburg; Würzburg, Germany
| | - Steffen Salzmann
- Division of Molecular Internal Medicine; Department of Internal Medicine II; University Hospital of Würzburg; Würzburg, Germany
| | | | | | - Simone S Riedel
- IZKF Research Laboratory for Experimental Stem Cell Transplantation; Department of Internal Medicine II; University Hospital of Würzburg; Würzburg, Germany
| | - Daniela Siegmund
- Division of Molecular Internal Medicine; Department of Internal Medicine II; University Hospital of Würzburg; Würzburg, Germany
| | - Andreas Beilhack
- IZKF Research Laboratory for Experimental Stem Cell Transplantation; Department of Internal Medicine II; University Hospital of Würzburg; Würzburg, Germany
| | - Christoph Otto
- Department of General, Visceral, Vascular, and Paediatric Surgery; University Hospital of Würzburg; Würzburg, Germany
| | - Harald Wajant
- Division of Molecular Internal Medicine; Department of Internal Medicine II; University Hospital of Würzburg; Würzburg, Germany
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Vendrell J, Chacón MR. TWEAK: A New Player in Obesity and Diabetes. Front Immunol 2013; 4:488. [PMID: 24416031 PMCID: PMC3874549 DOI: 10.3389/fimmu.2013.00488] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Accepted: 12/12/2013] [Indexed: 01/18/2023] Open
Abstract
Obesity and type 2 diabetes (T2D) are associated with chronic low-grade inflammation. Mounting evidence suggests the involvement of an inflammatory switch in adipose tissue, both in mature adipocytes and immune-competent cells from the stromal vascular compartment, in the progression of obesity and insulin resistance. Several inflammatory cytokines secreted by obese adipose tissue, including TNFα and IL-6 have been described as hallmark molecules involved in this process, impairing insulin signaling in insulin-responsive organs. An increasing number of new molecules affecting the local and systemic inflammatory imbalance in obesity and T2D have been identified. In this complex condition, some molecules may exhibit opposing actions, depending on the cell type and on systemic or local influences. Tumor necrosis factor weak inducer of apoptosis (TWEAK), a cytokine of the tumor necrosis (TNF) superfamily, is gaining attention as an important player in chronic inflammatory diseases. TWEAK can exist as a full-length membrane-associated (mTWEAK) form and as a soluble (sTWEAK) form and, by acting through its cognate receptor Fn14, can control many cellular activities including proliferation, migration, differentiation, apoptosis, angiogenesis, and inflammation. Notably, sTWEAK has been proposed as a biomarker of cardiovascular diseases. Here, we will review the recent findings relating to TWEAK and its receptor within the context of obesity and the associated disorder T2D.
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Affiliation(s)
- Joan Vendrell
- Research Unit, Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Hospital Universitari de Tarragona Joan XXIII, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili , Tarragona , Spain
| | - Matilde R Chacón
- Research Unit, Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Hospital Universitari de Tarragona Joan XXIII, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili , Tarragona , Spain
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Magnolia extract (BL153) ameliorates kidney damage in a high fat diet-induced obesity mouse model. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2013; 2013:367040. [PMID: 24381715 PMCID: PMC3863519 DOI: 10.1155/2013/367040] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2013] [Revised: 10/31/2013] [Accepted: 11/06/2013] [Indexed: 12/27/2022]
Abstract
Accumulating evidence demonstrated that obesity is a risk factor for renal structural and functional changes, leading to the end-stage renal disease which imposes a heavy economic burden on the community. However, no effective therapeutic method for obesity-associated kidney disease is available. In the present study, we explored the therapeutic potential of a magnolia extract (BL153) for treating obesity-associated kidney damage in a high fat diet- (HFD-) induced mouse model. The results showed that inflammation markers (tumor necrosis factor-α and plasminogen activator inhibitor-1) and oxidative stress markers (3-nitrotyrosine and 4-hydroxy-2-nonenal) were all significantly increased in the kidney of HFD-fed mice compared to mice fed with a low fat diet (LFD). Additionally, proteinuria and renal structure changes in HFD-fed mice were much more severe than that in LFD-fed mice. However, all these alterations were attenuated by BL153 treatment, accompanied by upregulation of peroxisome proliferator-activated receptor-γ coactivator-1α (PGC-1α) and hexokinase II (HK II) expression in the kidney. The present study indicates that BL153 administration may be a novel approach for renoprotection in obese individuals by antiinflammation and anti-oxidative stress most likely via upregulation of PGC-1α and HK II signal in the kidney.
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