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Visfatin

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https://www.readbyqxmd.com/read/28095064/adipokines-induce-catabolism-of-newly-synthesized-matrix-in-cartilage-and-meniscus-tissues
#1
James F Nishimuta, Marc E Levenston
PURPOSE: Altered synovial levels of various adipokines (factors secreted by fat as well as other tissues) have been associated with osteoarthritis onset and progression. However, the metabolic effects of adipokines on joint tissues, in particular the fibrocartilaginous menisci, are not well understood. This study investigated effects of several adipokines on release of recently synthesized extracellular matrix in bovine cartilage and meniscus tissue explants. MATERIALS AND METHODS: After labeling newly synthesized proteins and sulfated glycosaminoglycans (sGAGs) with (3)H-proline and (35)S-sulfate, respectively, bovine cartilage and meniscus tissue explants were cultured for 6 days in basal medium (control) or media supplemented with adipokines (1 µg/ml of leptin, visfatin, adiponectin, or resistin) or 20ng/ml interleukin-1 (IL-1)...
January 17, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28078856/decreased-immunoreactivity-of-visfatin-in-the-pancreas-and-liver-of-rats-with-renovascular-hypertension
#2
Ż Piotrowska, I Janiuk, A Lewandowska, I Kasacka
Hypertension is one of the major endocrine and metabolic disorders, in which visfatin plays a significant role. The objective of this study was to evaluate the immunoreactivity of visfatin in pancreas and liver of “two kidney, one clip” (2K1C) renovascular hypertension model in rats. The studies were carried out on the pancreas and liver of rats. After a 6-week period of the renal artery clipping procedure, 2K1C rats developed a stable hypertension. Paraffin sections were stained with hematoxylin and eosin (for general histological examination) and processed for immunolocalization of visfatin...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28073026/the-role-of-visfatin-in-atherosclerotic-peripheral-arterial-obstructive-disease
#3
Matthaios G Pitoulias, Lemonia Skoura, Apostolos G Pitoulias, Dimitris Chatzidimitriou, Apostolia Margariti, Minas Arsenakis, Georgios A Pitoulias
Visfatin is an adipokine molecule acting as an essential coenzyme in multiple cellular redox reactions. The increased serum levels of Visfatin have been correlated with metabolic syndrome and endothelial homeostasis. In this study we investigate the possible relationship of Visfatin serum levels with the severity and location of atherosclerotic peripheral arterial occlusive disease (PAOD). Study protocol included 45 consecutive PAOD and 20 Control patients with age >55years old. Definition of PAOD was based in Rutherord's classification (RC)...
January 7, 2017: Cytokine
https://www.readbyqxmd.com/read/28044053/plasma-levels-of-cyclooxygenase-2-cox-2-and-visfatin-during-different-stages-and-different-subtypes-of-migraine-headaches
#4
Chao Li, Qiushi Zhu, Qiu He, Junwei Wang, Fengzhi Wang, Hemin Zhang
BACKGROUND The aim of this study was to determine the plasma levels of cyclooxygenase-2 (COX-2) and visfatin in different stages and different subtypes of migraine headaches compared to a control group to elucidate the pathological mechanisms involved. MATERIAL AND METHODS We recruited a case-control cohort of 182 adult migraine patients and 80 age-matched and gender-matched healthy controls. The migraine patients were divided into two groups: the headache-attack-period group (Group A, n=77) and the headache-free-period group (Group B, n=105)...
January 3, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28039519/adipokines-a-possible-contribution-to-vascular-and-bone-remodeling-in-idiopathic-pulmonary-arterial-hypertension
#5
Evgenia A Kochetkova, Ludmila G Ugai, Yuliya V Maistrovskaia, Vera A Nevzorova
Osteoporosis is a major comorbidity of cardio-respiratory diseases, but the mechanistic links between pulmonary arterial hypertension and bone remain elusive. The purpose of the stud was to evaluate serum adipokines and endothelin-1 (ET-1) levels in the patients with idiopathic pulmonary arterial hypertension (IPAH) NYHA class III-IV and to determine its associations with bone mineral density (BMD). Pulmonary and hemodynamic parameters, BMD Z-scores at the lumbar spine (LS) and femoral neck (FN), serum leptin, adiponectin, visfatin and endothelin-1 (ET-1), were evaluated in 32 patients with IPAH NYHA class III-IV and 30 healthy volunteers...
December 30, 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/28035412/nicotinamide-phosphoribosyltransferase-inhibits-receptor-activator-of-nuclear-factor-%C3%AE%C2%BAb-ligand-induced-osteoclast-differentiation-in%C3%A2-vitro
#6
Jong Min Baek, Sung-Jun Ahn, Yoon-Hee Cheon, Myeung Su Lee, Jaemin Oh, Ju-Young Kim
The adipokine nicotinamide phosphoribosyltransferase (Nampt), also known as pre-B-cell colony-enhancing factor or the insulin-mimetic hormone visfatin, has a crucial role in the conversion of nicotinamide to nicotinamide mononucleotide during biosynthesis of the coenzyme nicotinamide adenine dinucleotide. Previous reports have demonstrated the inhibitory effects of Nampt on osteoclast formation from human peripheral blood mononuclear cells and CD14+ monocytes. However, the effects of Nampt on bone marrow macrophage (BMM)‑derived osteoclastogenesis and its precise role in the process remain unclear...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28025432/visfatin-levels-in-gingival-crevicular-fluid-and-serum-before-and-after-non-surgical-treatment-for-periodontal-diseases
#7
Çiğdem Coşkun Türer, Umut Balli, Berrak Güven, Burcu Özkan Çetinkaya, Gonca Çayır Keleş
The purpose of this study was to evaluate visfatin levels at different stages of periodontal disease and in healthy tissues. In addition, the effect of non-surgical periodontal therapy on visfatin levels in gingival crevicular fluid and serum was investigated. Forty-five patients were divided into three groups based on clinical and radiographical findings. Group 1 comprised periodontally healthy individuals (n = 15); group 2 comprised patients with gingivitis (n = 15); and group 3 was composed of patients with generalized chronic periodontitis (n = 15)...
2016: Journal of Oral Science
https://www.readbyqxmd.com/read/28018676/increased-serum-levels-of-tumor-necrosis-factor-alpha-resistin-and-visfatin-in-the-children-with-autism-spectrum-disorders-a-case-control-study
#8
Mohammad Ali Ghaffari, Elham Mousavinejad, Forough Riahi, Masoumeh Mousavinejad, Mohammad Reza Afsharmanesh
Background. Autism spectrum disorders (ASDs) are complex disorders where the pathogenesis is not fully understood. Several proinflammatory and immunoinflammatory disturbances have been observed in the etiology of ASD. There is, however, limited knowledge on variations of adipokines in ASD. The present study aimed to analyze the serum levels of resistin, visfatin, and tumor necrosis factor-alpha (TNF-α) in children with ASD in relation to body weight, gender, and ASD severity level. Method. In total, 30 children with ASD (mean age: 7...
2016: Neurology Research International
https://www.readbyqxmd.com/read/28017965/exercise-adipokines-and-pediatric-obesity-a-meta-analysis-of-randomized-controlled-trials
#9
REVIEW
A García-Hermoso, R J M Ceballos-Ceballos, C E Poblete-Aro, A C Hackney, J Mota, R Ramírez-Vélez
Background/ObjectiveAdipokines are involved in the etiology of diabetes, insulin resistance, and the development of atherosclerosis and other latent-onset complications. The objective of this meta-analysis was to determine the effectiveness of exercise interventions on adipokines in pediatric obesity.Subjects/MethodA computerized search was made using three databases. The analysis was restricted to studies that examined the effect of exercise interventions on adipokines (adiponectin, leptin, resistin, and visfatin) in pediatric obesity (6-18 years old)...
December 26, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28011947/effects-of-time-of-day-and-the-wingate-test-on-appetite-perceptions-food-intake-and-plasma-levels-of-adipokines
#10
J Bilski, J Jaworek, J Pokorski, J Nitecki, E Nitecka, J Pokorska, A Mazur-Bialy, J Szklarczyk
It has been demonstrated that several aspects of adipose-related physiology including adipokine release, exhibit daily oscillations. Physical exercise exerts a strong influence on adipokine release and a possible reverse disruption of peripheral circadian clocks. The aim of this study was to establish the effects of time of day and the Wingate test on appetite perception, food intake and plasma levels of adipokines. Twenty-four moderately active non-smoking males (mean ± S.D. age: 27.1 ± 3.1 years; height: 1...
October 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28010141/differential-expression-of-visfatin-leptin-stromal-cell-derived-factor-1%C3%AE-endothelial-nitric-oxide-synthase-and-vascular-endothelial-growth-factor-in-human-leiomyomas
#11
Bo Sun Joo, Min Jung Park, Chang-Woon Kim, Kyu Sup Lee, Jong Kil Joo
AIM: This study was aimed to understand expressions of the visfatin, leptin, stromal cell derived factor (SDF)-1α, endothelial nitric oxide synthase (eNOS), and vascular endothelial growth factor (VEGF) in human uterine leiomyomas (UL) and normal myometrium. METHOD: This study investigated expression of visfatin, leptin, SDF-1α, eNOS and VEGF in 23 uterine leiomyoma patients and 10 normal myometrium by RT-PCR and western blot. Messenger RNA transcripts of SDF-1α, eNOS, VEGF and hypoxia inducible factor-1α (HIF-1α) were analyzed according to the size of UL by real-time PCR...
December 23, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27990086/are-adipokines-associated-with-gestational-diabetes-mellitus
#12
Ümit Görkem, Ferit Kerim Küçükler, Cihan Toğrul, Tayfun Güngör
OBJECTIVE: To investigate the association of maternal serum levels of chemerin, retinol binding protein-4 (RBP-4), and visfatin with gestational diabetes mellitus (GDM). MATERIAL AND METHODS: 158 pregnant women were screened between 24 and 28 weeks of gestation. They were divided into two groups: GDM group (n=76) and control group (n=82). Maternal serum concentrations of chemerin, RBP-4, visfatin, insulin, and homeostasis model assessment-insulin resistance (HOMA-IR) were assessed...
2016: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/27982680/distinct-response-of-fat-and-gastrointestinal-tissue-to-glucose-in-gestational-diabetes-mellitus-and-polycystic-ovary-syndrome
#13
D Vejrazkova, O Lischkova, M Vankova, S Stanicka, J Vrbikova, P Lukasova, J Vcelak, G Vacinova, B Bendlova
Gestational diabetes mellitus (GDM) and polycystic ovary syndrome (PCOS) are distinct pathologies with impaired insulin sensitivity as a common feature. The aim of this study was to evaluate the response of fat tissue adipokines and gastrointestinal incretins to glucose load in patients diagnosed with one of the two disorders and to compare it with healthy controls. Oral glucose tolerance test (oGTT) was performed in 77 lean young women: 22 had positive history of GDM, 19 were PCOS patients, and 36 were healthy controls...
December 16, 2016: Physiological Research
https://www.readbyqxmd.com/read/27982256/effect-of-curcumin-on-visfatin-and-zinc-%C3%AE-2-glycoprotein-in-a-rat-model-of-non-alcoholic-fatty-liver-disease
#14
Changping Li, Juehong Li, Yun Chen, Xiaolin Zhong, Min Kang
PURPOSE: To investigate the effect of curcumin on visfatin and zinc-α2-glycoprotein (ZAG) expression levels in rats with non-alcoholic fatty liver disease (NAFLD). METHODS: Fifty-six male rats were randomly divided into a control group (n=16) and model group (n=40) and were fed on a normal diet or a high-fat diet, respectively. Equal volumes of sodium carboxymethyl cellulose (CMC) were intragastrically administered to the control group for 4 weeks. At the end of the 12th week, visfatin and ZAG protein expression levels were examined by immunohistochemistry...
November 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/27941973/immune-inflammatory-and-metabolic-effects-of-high-dose-furosemide-plus-hypertonic-saline-solution-hss-treatment-in-cirrhotic-subjects-with-refractory-ascites
#15
Antonino Tuttolomondo, Domenico Di Raimondo, Chiara Bellia, Giuseppe Clemente, Rosaria Pecoraro, Carlo Maida, Irene Simonetta, Valerio Vassallo, Danilo Di Bona, Eliana Gulotta, Marcello Ciaccio, Antonio Pinto
INTRODUCTION: Patients with chronic liver diseases are usually thin as a result of hypermetabolism and malnutrition expressed by reduced levels of leptin and impairment of other adyponectins such as visfatin. AIMS: We evaluated the metabolic and inflammatory effects of intravenous high-dose furosemide plus hypertonic saline solutions (HSS) compared with repeated paracentesis and a standard oral diuretic schedule, in patients with cirrhosis and refractory ascites...
2016: PloS One
https://www.readbyqxmd.com/read/27891497/mechanisms-involved-in-altered-bone-metabolism-in-diabetes-a-narrative-review
#16
REVIEW
Maryam Ghodsi, Bagher Larijani, Abbass Ali Keshtkar, Ensieh Nasli-Esfahani, Sudabeh Alatab, Mohammad Reza Mohajeri-Tehrani
Many studies have shown that change in metabolism caused by diabetes can influence the bone metabolism in a way that quality and strength of bone is decreased. A 6 times and 2 times increased risk of fracture is reported in patients with type 1 and type 2 diabetes, respectively. There are several mechanisms by which diabetes can affect the bone. The fact that some of these mechanisms are acting in opposite ways opens the door for debate on pathways by which diabetes affects the bones. On the other hand, bone is not a simple organ that only get influence from other organs, but it is an endocrine organ that by secreting the agents such as osteocalcin, adiponectin and visfatin which can affect the insulin sensitivity and metabolism...
2016: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/27887573/in-vitro-function-of-upstream-visfatin-polymorphisms-that-are-associated-with-adverse-cardiometabolic-parameters-in-obese-children
#17
Delicia Shu Qin Ooi, Siong Gim Ong, Chew Kiat Heng, Kah Yin Loke, Yung Seng Lee
BACKGROUND: Visfatin is an adipokine associated with glucose and lipid metabolism. We previously reported two visfatin upstream single nucleotide polymorphisms (SNPs), c.-3187G > A (rs11977021) and c.-1537C > T (rs61330082), which were in perfect linkage disequilibrium, in a Singaporean cohort of severely obese children and are associated with visfatin level and adverse cardiometabolic parameters. We aim to functionally characterize the effect of c.-3187G > A and c...
November 25, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27884778/expression-of-adipokines-in-osteoarthritis-osteophytes-and-their-effect-on-osteoblasts
#18
Susann Junker, Klaus W Frommer, Grit Krumbholz, Lali Tsiklauri, Rüdiger Gerstberger, Stefan Rehart, Jürgen Steinmeyer, Markus Rickert, Sabine Wenisch, Georg Schett, Ulf Müller-Ladner, Elena Neumann
OBJECTIVE: Osteophyte formation in osteoarthritis (OA) is mediated by increased osteoblast activity, which is -in turn- regulated by the Wnt signaling pathway. Obesity is regarded a risk factor in OA, yet little is known about the interaction between adipose tissue-derived factors, the adipokines, and bone formation, although adipokines are associated with the pathogenesis of OA. Therefore, the effect of adipokines on bone and cartilage forming cells and osteophyte development was analyzed...
November 22, 2016: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/27884396/effects-of-visfatin-on-the-apoptosis-of-intestinal-mucosal-cells-in-immunological-stressed-rats
#19
Ying Zhou, Huai-Rui Yuan, Lu Cui, Abdur Rahman Ansari, Ke Xiao, You Luo, Xin-Tong Wu, Liang Guo, Faheem Ahmed Khan, Zhi Yang, Hui Song
This study was undertaken to determine if visfatin is involved in the inflammation or apoptosis introduced by LPS in rats. Forty 8-week old Wistar rats were divided into four groups (n=10 in each group) and injected with saline, visfatin, LPS and visfatin+LPS co-stimulated via caudal vein. The duodenum, jejunum and ileum were harvested from all the rats. Compared to the saline treated group, visfatin significantly increased the number of TUNEL-positive apoptotic cells and the expression of caspase-3 protein in intestinal mucosa...
January 2017: Acta Histochemica
https://www.readbyqxmd.com/read/27859020/systemic-inflammation-in-acute-intermittent-porphyria-a-case-control-study
#20
E Storjord, J A Dahl, A Landsem, H Fure, J K Ludviksen, S Goldbeck-Wood, B O Karlsen, K S Berg, T E Mollnes, E W Nielsen, O-L Brekke
This study aimed to examine whether acute intermittent porphyria (AIP) is associated with systemic inflammation and whether the inflammation correlates with disease activity. A case-control study with 50 AIP cases and age-, sex- and place of residence-matched controls was performed. Plasma cytokines, insulin and C-peptide were analysed after an overnight fast using multiplex assay. Long pentraxin-3 (PTX3) and complement activation products (C3bc and TCC) were analysed using enzyme-linked immunosorbent assay (ELISA)...
November 8, 2016: Clinical and Experimental Immunology
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