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Michelangela Barbieri, Raffaele Marfella, Antonietta Esposito, Maria Rosaria Rizzo, Edith Angellotti, Ciro Mauro, Mario Siniscalchi, Fabio Chirico, Pasquale Caiazzo, Fulvio Furbatto, Alessandro Bellis, Nunzia D'Onofrio, Milena Vitiello, Franca Ferraraccio, Giuseppe Paolisso, Maria Luisa Balestrieri
AIMS: Glucagon like peptide 1 (GLP-1) analogues and dipeptidyl peptidase IV (DPP-4) inhibitors reduce atherosclerosis progression in type 2 diabetes mellitus (T2DM) patients and are associated with morphological and compositional characteristics of stable plaque phenotype. GLP-1 promotes the secretion of adiponectin which exerts anti-inflammatory effects through the adaptor protein PH domain and leucine zipper containing 1 (APPL1). The potential role of APPL1 expression in the evolution of atherosclerotic plaque in TDM2 patients has not previously evaluated...
October 5, 2016: Journal of Diabetes and its Complications
K S Weber, K Strassburger, G Pacini, B Nowotny, K Müssig, J Szendroedi, C Herder, M Roden
AIMS: To examine the hypothesis that changes in serum adiponectin concentration inversely relate to changes in glucose tolerance and β-cell function already during the early stage of disease progression in recently diagnosed Type 1 and Type 2 diabetes mellitus. METHODS: Participants in the prospective observational German Diabetes Study (Type 2 diabetes, n = 94; Type 1 diabetes, n =42) underwent i.v. glucose tolerance and glucagon stimulation testing to assess pre-hepatic β-cell function, glucose tolerance index and C-peptide secretion within the first year of diabetes diagnosis and 2 years later...
October 22, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
Michael L Power, Jay Schulkin, Heather Drought, Lauren A Milligan, Katie L Murtough, Robin M Bernstein
In addition to nutrients, milk contains signaling molecules that influence offspring development. Human milk is similar in nutrient composition to that of apes, but appears to differ in other aspects such as immune function. We examine the longitudinal patterns across lactation of macronutrients, the metabolic hormone adiponectin, the growth factors epidermal growth factor (EGF) and transforming growth factor β2 (TGF-β2), and two receptors for these growth factors (EGF-R and TGF-β2-RIII) in milk samples collected between days 175 and 313 postpartum from a Sumatran orangutan (Pongo abelii) and between days 3 and 1,276 from a western lowland gorilla (Gorilla gorilla), and compare the results with human data from the literature...
October 21, 2016: American Journal of Primatology
Meng-Bo Hu, Hua Xu, Ji-Meng Hu, Wen-Hui Zhu, Tian Yang, Qiang Ding
Leptin and adiponectin signaling was associated with development and progression of various cancers. The present study aimed to clarify the role of genetic variants in leptin, adiponectin and their receptors in prostate cancer. After comprehensive search and manuscript scanning, a total of 49 genetic variants were enrolled and examined for their relations to cancer risk and aggressiveness. In the meta-analysis, LEP rs7799039 (allele contrast: OR 1.133, 95%CI 1.024-1.254), ADIPOQ rs2241766 (allele contrast: OR 1...
October 19, 2016: Oncotarget
Marlies Bekaert, D Margriet Ouwens, Tina Hörbelt, Frederique Van de Velde, Pia Fahlbusch, Daniella Herzfeld de Wiza, Yves Van Nieuwenhove, Patrick Calders, Marleen Praet, Anne Hoorens, Anja Geerts, Xavier Verhelst, Jean-Marc Kaufman, Bruno Lapauw
OBJECTIVE: This study aimed to evaluate whether circulating levels and/or visceral adipose tissue (VAT) expression of recently described adipokines associate with histopathological severity of nonalcoholic fatty liver disease (NAFLD), independent of obesity and insulin resistance. METHODS: Serum levels of adiponectin, omentin, chemerin, monocyte chemoattractant protein-1, and secreted frizzled-related protein 4 were measured using enzyme-linked immunosorbent assay in 81 patients with obesity and NAFLD and 18 lean control subjects...
October 21, 2016: Obesity
Connie F Matthiesen, Anne-Helene Tauson
BACKGROUND: Malnutrition in fetal life and during suckling have in some animal studies resulted in adaptive changes related to the fat and glucose metabolism, which in the long term might predispose the offspring for metabolic disorders such as obesity later in life. The objective was to study the effect of fetal life malnutrition in male mink on the gene expression of leptin and adiponectin in different adipose tissue sites. RESULTS: Thirty-two male mink, strict carnivore species, exposed to low (FL) or adequate (FA) protein provision the last 16...
October 20, 2016: Acta Veterinaria Scandinavica
Isabel Huang-Doran, Patsy Tomlinson, Felicity Payne, Alexandra Gast, Alison Sleigh, William Bottomley, Julie Harris, Allan Daly, Nuno Rocha, Simon Rudge, Jonathan Clark, Albert Kwok, Stefano Romeo, Emma McCann, Barbara Müksch, Mehul Dattani, Stefano Zucchini, Michael Wakelam, Lazaros C Foukas, David B Savage, Rinki Murphy, Stephen O'Rahilly, Inês Barroso, Robert K Semple
Obesity-related insulin resistance is associated with fatty liver, dyslipidemia, and low plasma adiponectin. Insulin resistance due to insulin receptor (INSR) dysfunction is associated with none of these, but when due to dysfunction of the downstream kinase AKT2 phenocopies obesity-related insulin resistance. We report 5 patients with SHORT syndrome and C-terminal mutations in PIK3R1, encoding the p85α/p55α/p50α subunits of PI3K, which act between INSR and AKT in insulin signaling. Four of 5 patients had extreme insulin resistance without dyslipidemia or hepatic steatosis...
October 20, 2016: JCI Insight
Fengna Li, Yinghui Li, Yehui Duan, Chien-An A Hu, Yulong Tang, Yulong Yin
Skeletal muscle and adipose tissue are the two largest organs in the body. Skeletal muscle is an effector organ, and adipose tissue is an organ that stores energy; in addition, they are endocrine organs that secrete cytokines, namely myokines and adipokines, respectively. Myokines consist of myostatin, interleukin (IL)-8, IL-15, irisin, fibroblast growth factor 21, and myonectin; adipokines include leptin, adiponectin, resistin, chemerin, and visfatin. Furthermore, certain cytokines, such as IL-6 and tumor necrosis factor-α, are released by both skeletal muscle and adipose tissue and exhibit a bioactive effect; thus, they are called adipo-myokines...
October 13, 2016: Cytokine & Growth Factor Reviews
Nihal Ocak, Melahat Dirican, Alparslan Ersoy, Emre Sarandol
BACKGROUND: Cardiovascular disease (CVD) is the leading cause of mortality and morbidity in patients with chronic kidney disease (CKD) including kidney transplant recipients (KTR). Secondary lipid metabolism disorders, endothelial dysfunction, and inflammation enhance the risk of CVD development in these patients. The aim of the present study was to investigate the lipid profile, adiponectin, leptin, nitric oxide (NO), and high sensitivity C-reactive protein (hs-CRP) levels in KTR and to compare these parameters with those of the patients with chronic renal failure (CRF), hemodialysis (HD) patients, and healthy controls...
October 20, 2016: Renal Failure
Jie-Hua Chen, Jia Song, Yan Chen, Qiang Ding, Anfang Peng, Limei Mao
Vegan protein-based diet has attracted increasing interest in the prevention of metabolic syndrome (MetS). Meanwhile, adiponectin has become a highly potential molecular target in the prevention of MetS. Our study will identify a potential vegan protein diet for the prevention of MetS using rat models. Thirty-six Wistar rats were randomly assigned into three groups and given diets containing one of the following proteins for 12 weeks: casein (CAS, control diet), soy protein (SOY), and gluten-soy mixed protein (GSM)...
October 18, 2016: Nutrients
Ning Xia, Huige Li
Under physiological conditions, perivascular adipose tissue (PVAT) attenuates agonist-induced vasoconstriction by releasing vasoactive molecules including hydrogen peroxide, angiotensin 1-7, adiponectin, methyl palmitate, hydrogen sulfide, nitric oxide (NO) and leptin. This anticontractile function of PVAT is lost under conditions of obesity. The central mechanism underlying PVAT dysfunction in obesity is likely to be an "obesity triad" (consisting of PVAT hypoxia, inflammation and oxidative stress) that leads to dysregulation of PVAT-derived vasoregulators...
October 20, 2016: British Journal of Pharmacology
Alina Constantin, Madalina Dumitrescu, Maria Cristina Mihai Corotchi, Dana Jianu, Maya Simionescu
CO2 laser has a beneficial effect on stem cells by mechanisms that are not clearly elucidated. We hypothesize that the effect of fractional CO2 laser on human adipose-derived stem cells (ADSC) could be due to changes in redox homeostasis and secretion of factors contributing to cellular proliferation and angiogenic potential. ADSC incubated in medium containing 0.5 or 10 % FBS were exposed to a single irradiation of a 10,600-nm fractional CO2 laser; non-irradiated ADSC were used as control. Viability/proliferation of ADSC was assessed by MTT assay; the intracellular reactive oxygen species (ROS) levels and the mitochondrial membrane potential (∆Ψm) were determined with DCFH-DA and JC-1 fluorescent probes, respectively...
October 20, 2016: Lasers in Medical Science
Peter Kruzliak, Alexander Berezin, Alexander Kremzer, Tatyana Samura, Roman Benacka, Ioana Mozos, Emmanuel Egom, Luis Rodrigo
BACKGROUND: Biomechanical stress and inflammatory biomarkers relate to global contractility dysfunction; however, adding these biomarkers into a risk model constructed on clinical data does not improve its prediction value in chronic heart failure (CHF). AIM: The aim of this study was to evaluate whether biomarkers predict declining of left ventricular global contractility function in diabetic patients with ischemia-induced CHF. PATIENTS AND METHODS: The study retrospectively evolved 54 diabetic patients who had systolic or diastolic ischemia-induced CHF that was defined as left-ventricular ejection fraction (LVEF) ≤45% or 46-55% respectively assessed by quantitative echocardiography and other conventional criteria according to current clinical guidelines...
September 1, 2016: Folia Medica
Daniel A De Luis, Rocío Aller, Olatz Izaola, David Primo, E Romero
INTRODUCTION: The aim of our study was to analyze the relationship of the rs9939609 FTO gene polymorphism with insulin resistance and serum adipokine levels. MATERIAL AND METHODS: A population of 610 patients with obesity was analyzed in a cross sectional design. Weight, blood pressure, basal glucose, c-reactive protein (CRP), insulin, insulin resistance (HOMA), lipid profile and adipocytokines (leptin, adiponectin, resistin, TNF alpha, and interleukin 6) levels were measured...
September 20, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
H-L Che, M S Kanthimathi, R Loganathan, K H Yuen, A T B Tan, K R Selvaduray, K Nesaretnam, K-T Teng
BACKGROUND/OBJECTIVES: Evidence shows that tocotrienols potentially reverse various chronic disease progressions caused by the metabolic syndrome. We aimed to investigate the acute effects of a single-dose supplementation of gamma and delta tocotrienols (γδ-T3, 1:4 ratio) compared with those in placebo on the insulinemic, anti-inflammatory and anti-thrombogenic responses in metabolic syndrome subjects. SUBJECTS/METHODS: Thirty metabolic syndrome subjects (15 men and 15 women) were recruited to a randomized, double-blinded and crossover study...
October 19, 2016: European Journal of Clinical Nutrition
Sadegh Feizollahzadeh, Reza Ghiasvand, Abbas Rezaei, Hossein Khanahmad, Akram Sadeghi, Mitra Hariri
Probiotic therapies are going to be an effective alternative therapeutic strategy in the treatment and management of diabetes. The mechanism behind the essential effects of probiotic therapies in diabetic patients was not fully understood. The objective of this study was to evaluate the effects of probiotic soy milk containing Lactobacillus planetarum A7 on inflammation, lipid profile, fasting blood glucose, and serum adiponectin among patients with type 2 diabetes mellitus. Forty patients with type 2 diabetes, at the age of 35-68 years old, were assigned to two groups in this randomized, double-blind, controlled clinical trial...
October 18, 2016: Probiotics and Antimicrobial Proteins
Yang Sun, Dajun Zhao, Yang Yang, Chao Gao, Xing Zhang, Zhiqiang Ma, Shuai Jiang, Lin Zhao, Wenhao Chen, Kai Ren, Wei Yi, Feng Gao
The underlying mechanisms of cardioprotection of adiponectin (APN) against ischemia/reperfusion (I/R) injury remain largely unknown. The present study aimed to investigate whether calreticulin (CRT) mediated APN's cardioprotection against I/R injury. We inhibited mice cardiac CRT expression via intra-myocardial injection of CRT SiRNA, performed transient LAD ligation, measured the cardiac function, apoptosis and oxidative stress to identify CRT's effects on cardioprotective actions of APN against I/R injury in vivo...
October 18, 2016: Apoptosis: An International Journal on Programmed Cell Death
Catarina Francisco, João Sérgio Neves, Inês Falcão-Pires, Adelino Leite-Moreira
Adiponectin is the most abundant adipokine and exhibits anti-inflammatory, antiatherogenic and antidiabetic properties. Unlike other adipokines, it inversely correlates with body weight and obesity-linked cardiovascular complications. Diastolic dysfunction is the main mechanism responsible for approximately half of all heart failure cases, the so-called heart failure with preserved ejection fraction (HFpEF), but therapeutic strategies specifically directed towards these patients are still lacking. In the last years, a link between adiponectin and diastolic dysfunction has been suggested...
October 18, 2016: Cardiovascular Drugs and Therapy
Mahalingam Balakumar, Durai Prabhu, Chandrakumar Sathishkumar, Paramasivam Prabu, Namita Rokana, Ramesh Kumar, Srividhya Raghavan, Avinash Soundarajan, Sunita Grover, Virender Kumar Batish, Viswanathan Mohan, Muthuswamy Balasubramanyam
PURPOSE: Diabetes and obesity are characterized by glucose intolerance, fat deposition, inflammation, and dyslipidemia. Recent reports postulated that distinct gut microbiota alterations were observed in obese/diabetic subjects and modulating gut microbiota beneficially through specific probiotics could be a potential therapeutic option for type 2 diabetes/obesity. Therefore, we attempted to study the efficacy of probiotics of Indian gut origin (Lactobacillus plantarum MTCC5690 and Lactobacillus fermentum MTCC5689) along with a positive control, Lactobacillus rhamnosus (LGG) on glucose/lipid homeostasis in high-fat-diet-induced diabetic animal model...
October 18, 2016: European Journal of Nutrition
Ramesh Pothuraju, Raj Kumar Sharma, Sarver Ahmed Rather, Satvinder Singh
BACKGROUND: The aim of the present study was to investigate, anti-obesity effect of Aloe vera (AV), and Gymnema sylvestre (GS) whole extract powders administration to high-fat diet (HFD) fed C57BL/6J mice for 12 weeks. MATERIALS AND METHODS: At the end of experiment, different parameters such as body weight, feed intake, organ weights, fasting blood glucose, oral glucose tolerance test, plasma lipid levels, and expression analysis of adipocytokines were evaluated...
September 2016: Journal of Intercultural Ethnopharmacology
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