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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
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
Viktória E Varga, Hajnalka Lőrincz, Noémi Zsíros, Péter Fülöp, Ildikó Seres, György Paragh, József Balla, Mariann Harangi
BACKGROUND: Selective low-density lipoprotein (LDL) apheresis is commonly used to treat patients with familial hypercholesterolemia (FH). Chemerin is an adipokine with putative roles in the regulation of lipid metabolism. METHODS: In our pilot study, we measured serum chemerin levels by enzyme-linked immunosorbent assay in six severe heterozygous FH patients before and after their first LDL apheresis treatments using the technique of direct adsorption of lipoproteins (DALI)...
October 18, 2016: Lipids in Health and Disease
Farag E Salama, Qasem A Anass, Abdelnaem A Abdelrahman, Elsayed B Saeed
Cardiovascular disease is the leading cause of morbidity and mortality in patients with chronic kidney disease (CKD). The carotid intima-media thickness (CIMT) and arterial stiffness are useful markers of subclinical atherosclerosis and significantly correlate with various metabolic risk factors. Chemerin is one of the adipokines that may represent a link between obesity and inflammation and may be a potential candidate playing a role in the pathogenesis of atherosclerosis and cardiovascular complications. Therefore, we studied the relationship of chemerin levels with atherosclerosis as measured by CIMT in diabetic CKD patients, either predialysis or on hemodialysis (HD)...
September 2016: Saudi Journal of Kidney Diseases and Transplantation
Amanda J Kennedy, Peiran Yang, Cai Read, Rhoda E Kuc, Lucy Yang, Emily J A Taylor, Colin W Taylor, Janet J Maguire, Anthony P Davenport
BACKGROUND: Circulating levels of chemerin are significantly higher in hypertensive patients and positively correlate with blood pressure. Chemerin activates chemokine-like receptor 1 (CMKLR1 or ChemR23) and is proposed to activate the "orphan" G-protein-coupled receptor 1 (GPR1), which has been linked with hypertension. Our aim was to localize chemerin, CMKLR1, and GPR1 in the human vasculature and determine whether 1 or both of these receptors mediate vasoconstriction. METHODS AND RESULTS: Using immunohistochemistry and molecular biology in conduit arteries and veins and resistance vessels, we localized chemerin to endothelium, smooth muscle, and adventitia and found that CMKLR1 and GPR1 were widely expressed in smooth muscle...
October 14, 2016: Journal of the American Heart Association
Agnieszka Zwolak, Agnieszka Szuster-Ciesielska, Jadwiga Daniluk, Justyna Semeniuk, Martyna Kandefer-Szerszen
:  Background. Chemerin and retinol binding protein-4 (RBP-4) are adipokines which may play a role in the progression of NAFLD. It has been also suggested that cytokeratin-18 (CK-18) could be a marker of hepatocyte caspase-directed death while transgelin-2 production could reflect stage of liver fibrosis. The aim of this study was to evaluate the level of the above adipokines in sera of patients with NAFLD and determine the relation between the level of transgelin-2 and fibrosis-4 index (FIB-4)...
November 2016: Annals of Hepatology
Youn Yi Jo, Ji Yeon Lee, Chul-Kyu Park
The neuropeptide substance P (SP) is expressed in primary sensory neurons and is commonly regarded as a "pain" neurotransmitter. Upon peripheral inflammation, SP activates the neurokinin-1 (NK-1) receptor and potentiates activity of transient receptor potential vanilloid subtype 1 (TRPV1), which is coexpressed by nociceptive neurons. Therefore, SP functions as an important neurotransmitter involved in the hypersensitization of inflammatory pain. Resolvin E1 (RvE1), derived from omega-3 polyunsaturated fatty acids, inhibits TRPV1 activity via activation of the chemerin 23 receptor (ChemR23)-an RvE1 receptor located in dorsal root ganglion neurons-and therefore exerts an inhibitory effect on inflammatory pain...
2016: Mediators of Inflammation
Shanmugam Muruganandan, Rajgopal Govindarajan, Nichole M McMullen, Christopher J Sinal
Bone remodelling is a dynamic process requiring the coordinated action of formative (osteoblast) and resorptive (osteoclast) cell populations. An imbalance of the development and function of these cell types underlies several chronic bone loss disorders such as osteoporosis. Increased bone marrow adipocyte numbers commonly occur with bone loss disorders and numerous studies have documented an inverse relationship between bone marrow fat and bone formation. Osteoblasts and adipocytes derive in a competitive fashion from a common mesenchymal stem cell (MSC) precursor...
October 12, 2016: Stem Cells
Olivier De Henau, Gaetan-Nagim Degroot, Virginie Imbault, Virginie Robert, Cédric De Poorter, Saria Mcheik, Céline Galés, Marc Parmentier, Jean-Yves Springael
Chemerin is a small chemotactic protein originally identified as the natural ligand of CMKLR1. More recently, two other receptors, GPR1 and CCRL2, have been reported to bind chemerin but their functional relevance remains poorly understood. In this study, we compared the binding and signaling properties of the three human chemerin receptors and showed differences in mode of chemerin binding and receptor signaling. Chemerin binds to all three receptors with low nanomolar affinities. However, the contribution of the chemerin C-terminus to binding efficiency varies greatly amongst receptors...
2016: PloS One
Bao-Long Pan, Run-Mei Ma
OBJECTIVE: To investigate the relationship of serum omentin-1 and chemerin with gestational diabetes mellitus (GDM). METHODS: Serum levels of omentin-1 chemerin, glycolipids biochemical index, inflammation index, fasting insulin (FINS), and insulin resistance indexes (HOMA-IR) were determined in 85 women with GDM and 85 pregnant women with normal glucose tolerance (NGT). RESULTS: BMI, FPG, hs-CRP, blood lipids, blood glucose, FINS, HOMA-IR and serum chemerin level were all significantly higher while serum omentin-1 significantly lower in GDM group than in NGT group (P<0...
August 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
Sadat A Aziz, Luisa A Wakeling, Satomi Miwa, Goiuri Alberdi, John E Hesketh, Dianne Ford
Promoting the development of brown or beige adipose tissue may protect against obesity and related metabolic features, and potentially underlies protective effects of genistein in mice. We observed that application of genistein to 3T3-L1 adipocytes changed the lipid distribution from large droplets to a multilocular distribution, reduced mRNAs indicative of white adipocytes (ACC, Fasn, Fabp4, HSL, chemerin and resistin) and increased mRNAs that are a characteristic feature of brown/beige adipocytes (CD-137 and UCP1)...
September 27, 2016: Molecular Nutrition & Food Research
Hung-Yuan Chen, Yen-Lin Chiu, Shih-Ping Hsu, Mei-Fen Pai, Ju-Yeh Yang, Hon-Yen Wu, Yu-Sen Peng
Although chemerin, an adipokine, increases the cardiovascular (CV) risk in obese people, it is associated with a survival advantage in incident hemodialysis (HD) patients. We explored the potential effects of chemerin on CV outcomes in prevalent HD patients. This prospective study included 343 prevalent HD patients. The composite outcome was the occurrence of CV events and death during follow-up. We used multivariate Cox regression analysis to test the predictive power of different chemerin and adiponectin levels and geriatric nutritional risk index (GNRI) for the outcomes...
September 26, 2016: Scientific Reports
Michael V G Latronico, Gianluigi Condorelli
No abstract text is available yet for this article.
September 21, 2016: Journal of Molecular and Cellular Cardiology
Nicola Lucchetti, Michelangelo Scalone, Serena Fantasia, Kilian Muñiz
2,6-Disubstituted anilines are readily prepared from the direct reaction between amides and diaryliodonium salts. As demonstrated for 24 different examples, the reaction is of unusually broad scope with respect to the sterically congested arene and the nitrogen source, occurs without the requirement for any additional promoter, and proceeds through a direct reductive elimination at the iodine(III) center. The efficiency of the coupling procedure is further demonstrated within the short synthesis of a chemerin binding inhibitor...
October 10, 2016: Angewandte Chemie
Qiao-Min Wu, Hai-Xiang Ni, Xiao Lu
OBJECTIVE: To study the effect of sitagliptin on adipocytokines expression in diabetic rats and its molecular mechanism. METHODS: Male SD rats were chosen and randomly divided into NC group, T2DM group, SP group and SP + LY group. NC group received conventional breeding, T2DM group, SP group and SP + LY group received intraperitoneal injection of streptozotocin after 12 weeks of high-fat diet to establish diabetes animal model, SP group received sitagliptin intervention and SP + LY group received sitagliptin combined with PI3K inhibitor LY294002 intervention...
September 2016: Asian Pacific Journal of Tropical Medicine
Joan Calvet, Cristóbal Orellana, Jordi Gratacós, Antoni Berenguer-Llergo, Assumpta Caixàs, Juan José Chillarón, Juan Pedro-Botet, María García-Manrique, Noemí Navarro, Marta Larrosa
BACKGROUND: Adipokines are related to knee osteoarthritis, but their exact role is not well known. The aim of this study was to evaluate the association between adipokines in synovial fluid and clinical severity in patients with knee osteoarthritis with joint effusion. METHODS: Cross-sectional study with systematic inclusion of female patients with symptomatic primary knee osteoarthritis with ultrasound-confirmed joint effusion. Age, physical exercise, knee osteoarthritis symptoms duration, classical cardiovascular risk factors and different anthropometric measurements were collected...
2016: Arthritis Research & Therapy
Yaprak Engin-Üstün, Emel Kıyak Çağlayan, Ayşe Yeşim Göçmen, Muhammed Fevzi Polat
OBJECTIVES: The objective of this study was to describe the levels of chemerin, irisin and apolipoprotein M (apoM) in women with postmenopausal osteoporosis. METHODS: The study included 88 women with postmenopausal osteoporosis. Based on World Health Organization criteria, women with a T-score of ≤ -2.5 were defined as osteoporotic. In this case-control study, postmenopausal women with T-score > -1 were selected as controls (n = 88) and case-matched in a 1:1 ratio based on age (within 2 years) and body mass index (BMI) (within 1...
August 2016: Journal of Menopausal Medicine
Shuhua Lin, Jian Teng, Jixia Li, Fang Sun, Dong Yuan, Jing Chang
BACKGROUND Diabetic nephropathy (DN) is a common complication of diabetes, caused by diabetic microvascular lesions. The pathogenesis of DN is complicated, involving genetics, physics, chemistry, and environmental factors. Chemerin is a fat cell factor that participates in regulating inflammation. Vascular endothelial growth factor (VEGF) promotes vascular endothelial cell proliferation, differentiation, and angiogenesis. The relationship role of Chemerin and VEGF in DN is not fully understood. MATERIAL AND METHODS SD rats were randomly divided into 2 groups: the control group and the DN group...
2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Chunzhi Li, Li Yan, Jinxiao Song
OBJECTIVE: To explore the change of plasma level of chemerin in chronic obstructive pulmonary disease (COPD) patients and its relationship with lipid metabolism. 
 METHODS: A total of 150 COPD patients were randomly selected and set as the COPD group and 30 healthy persons were set as the control group. The COPD group was further divided into a thin group (BMI<18.5 kg/m2, n=116) and a normal weight group (BMI≥18.5 kg/m2, n=34) according to their body mass index (BMI)...
July 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
Pongsatorn Meesawatsom, James Burston, Gareth Hathway, Andrew Bennett, Victoria Chapman
BACKGROUND: Harnessing the actions of the resolvin pathways has the potential for the treatment of a wide range of conditions associated with overt inflammatory signalling. Aspirin-triggered resolvin D1 (AT-RvD1) has robust analgesic effects in behavioural models of pain; however, the potential underlying spinal neurophysiological mechanisms contributing to these inhibitory effects in vivo are yet to be determined. This study investigated the acute effects of spinal AT-RvD1 on evoked responses of spinal neurones in vivo in a model of acute inflammatory pain and chronic osteoarthritic (OA) pain and the relevance of alterations in spinal gene expression to these neurophysiological effects...
2016: Journal of Neuroinflammation
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