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Visfatin

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https://www.readbyqxmd.com/read/28507632/visfatin-versus-flow-mediated-dilatation-as-a-marker-of-endothelial-dysfunction-in-pediatric-renal-transplant-recipients
#1
Fatina Fadel, Hafez M Bazraa, Safaa M Abdelrahman, Mohamed Gamal Shouman, Marwa Khaled Sayed, Doaa Mohamed Salah, Aliaa Ahmed Wahby, Heba F Elgebaly
BACKGROUND: Renal transplantation (RTx) is the treatment of choice for paediatric end-stage renal disease (ESRD). A major cause of morbidity and mortality after RTx is cardiovascular disease. Independent predictors of cardiovascular events were shown to constitute an endothelial dysfunction (ED). This study aims to evaluate Visfatin serum level in comparison to brachial artery flow-mediated dilatation (FMD) as a marker of endothelial dysfunction in paediatric RTx recipients. METHODS: Visfatin serum level has been evaluated in 30 patients on regular hemodialysis (HD), 36 patients post-RTx and 30 controls as a measure for ED, and has been compared to brachial artery FMD...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28485496/curcumin-a-naturally-occurring-modulator-of-adipokines-in-diabetes
#2
Jafar Hajavi, Amir Abbas Momtazi, Thomas P Johnston, Maciej Banach, Muhammed Majeed, Amirhossein Sahebkar
Curcumin, the bioactive component of turmeric, has been used for the treatment of several diseases including diabetes and its complications. Curcumin has been shown to exert pleiotropic effects by modulating different signaling molecules, including transcription factors, chemokines, cytokines, and adipokines. Disturbed regulation of adipokines, which include adiponectin, leptin, resistin, and visfatin, are implicated in the development of insulin resistance and Type 2 Diabetes. Here, we review the findings of in vitro, in vivo, and clinical studies on the modulating effects that curcumin treatment exerts on adipokines...
May 9, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28482725/umbilical-cord-blood-and-maternal-visfatin-pbef-nampt-concentrations-in-preterm-birth-with-and-without-preterm-premature-rupture-of-membranes
#3
Tereza Pavlová, Filip Zlámal, Zbyněk Šplíchal, Josef Tomandl, Zuzana Hodická, Pavel Ventruba, Julie Bienertová-Vašků
OBJECTIVES: The aim of the study is to investigate differences in visfatin concentrations between mothers with term and preterm birth (PTB) and between mothers who delivered within 7 days and after more than 7 days following admission for PTB/preterm premature rupture of membranes (PPROM). METHODS: Maternal peripheral blood and cord blood was collected from 56 mothers with PTB (31 with PPROM) and 71 mothers with term delivery (3 with PPROM). RESULTS: Maternal visfatin concentration was significantly higher for given gestational age in PTBs compared to term deliveries (p = 0...
May 9, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28478800/hif-1%C3%AE-mediates-visfatin-induced-ctgf-expression-in-vascular-endothelial-cells
#4
W Wu, J Li, M Zhao, X Liu
Visfatin is an adipokine that functions as a mediator of endothelial dysfunction and cardiovascular diseases. Connective tissue growth factor (CTGF) is a key factor in vascular remodeling and atherosclerosis. However, the association between visfatin and CTGF is unclear. Therefore the study was to test the hypothesis that visfatin could modulate the expression of CTGF in vascular endothelial cells. In our study, cultured endothelial cell line EA.Hy926 cells were treated with different concentrations of visfatin for different times...
April 29, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28442350/extracellular-nampt-visfatin-induces-proliferation-through-erk1-2-and-akt-and-inhibits-apoptosis-in-breast-cancer-cells
#5
Zafar Gholinejad, Nejat Kheiripour, Mitra Nourbakhsh, Davod Ilbeigi, Kiarash Behroozfar, Zahra Hesari, Abolfazl Golestani, Mohammad Shabani, Nahid Einollahi
BACKGROUND: Visfatin is a novel adipokine and proinflammatory cytokine which is implicated in breast cancer progression. The exact proliferative and anti-apoptotic mechanisms of visfatin are still under debate. In this study, the effect of extracellular visfatin on proliferation and apoptosis of breast cancer cells were investigated considering key regulatory molecules in these procedures. METHODS: BrdU (Bromodeoxyuridine) experiment was used to assess cell proliferation in response to visfatin treatment...
April 23, 2017: Peptides
https://www.readbyqxmd.com/read/28420006/increased-visfatin-expression-is-associated-with-nuclear-factor-kappa-%C3%AE-in-obese-ovalbumin-sensitized-male-wistar-rats-trachea
#6
Mohammad Reza Aslani, Rana Keyhanmanesh, Mohammad Reza Alipour
OBJECTIVE: To investigate the effects of diet-induced obesity on the expression of nuclear factor-kappa β and visfatin messenger RNA in male Wistar rats' tracheae after sensitization with ovalbumin (OVA). MATERIALS AND METHODS: Twenty (20) male Wistar rats were divided into four groups (n=5 for each group), that included a control fed normal diet (ND), and fed normal diet OVA-sensitized (S+ND), high-fat diet (HFD) only, (diet induced obesity) and high-fat diet OVA-sensitized (S+HFD)...
April 16, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28416270/plasma-levels-and-leucocyte-rna-expression-of-adipokines-in-young-patients-with-coronary-artery-disease-in-metabolic-syndrome-and-healthy-controls
#7
Aleš Smékal, Jan Václavík, David Stejskal, Klára Benešová, Jiří Jarkovský, Gabriela Svobodová, Radmila Richterová, Marek Švesták, Miloš Táborský
OBJECTIVES: Little is known about the role of adipokines in the pathogenesis of coronary artery disease in young patients. The aims of this study were to compare serum levels of adipokines and expression of adipokines in peripheral blood leukocytes in patients with premature coronary artery disease (CAD), metabolic syndrome and healthy individuals. DESIGN AND METHODS: Sixty-five patients with premature CAD (men 18-45years old and women 18-55years old) formed the study group...
April 14, 2017: Cytokine
https://www.readbyqxmd.com/read/28406695/visfatin-is-actively-secreted-in-vitro-from-u-937-macrophages-but-only-passively-released-from-3t3-l1-adipocytes-and-hepg2-hepatocytes
#8
P Svoboda, E KříŽová, K Čeňková, K Vápenková, J Zídková, V Zídek, V Škop
Visfatin is a multi-functional molecule that can act intracellularly and extracellularly as an adipokine, cytokine and enzyme. One of the main questions concerning visfatin is the mechanism of its secretion; whether, how and from which cells visfatin is released. The objective of this in vitro study was to observe the active secretion of visfatin from 3T3-L1 preadipocytes and adipocytes, HepG2 hepatocytes, U-937, THP-1 and HL-60 monocytes and macrophages. The amount of visfatin in media and cell lysate was always related to the intracellular enzyme, glyceraldehyde-3-phosphate dehydrogenase (GAPDH), to exclude the passive release of visfatin...
April 12, 2017: Physiological Research
https://www.readbyqxmd.com/read/28402255/chemotherapy-and-plasma-adipokines-level-in-patients-with-colorectal-cancer
#9
Grzegorz Słomian, Elżbieta Świętochowska, Grzegorz Nowak, Krystyna Pawlas, Aleksandra Żelazko, Przemysław Nowak
Adipokines are molecules produced and secreted by adipose tissue and are linked to multiple malignancies. Adipokines can suppress or promote particular cell behaviors in different types of cancer. The aim of this study was to investigate the impact of chemotherapy on select adipokines in patients with colorectal cancer (CRC). Blood samples were collected from 42 patients with pathologically documented advanced CRC, who required palliative chemotherapy. Leptin, adiponectin, resistin and visfatin levels were measured by ELISA before and 3 months after the administration of chemotherapy...
April 12, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28399156/presence-of-il-17-in-synovial-fluid-identifies-a-potential-inflammatory-osteoarthritic-phenotype
#10
Sarah J B Snelling, Sylvette Bas, Gabor J Puskas, Stephanie G Dakin, Domizio Suva, Axel Finckh, Cem Gabay, Pierre Hoffmeyer, Andrew J Carr, Anne Lübbeke
PURPOSE: Osteoarthritis (OA) is a common and heterogeneous arthritic disorder. Patients suffer pain and their joints are characterized by articular cartilage loss and osteophyte formation. Risk factors for OA include age and obesity with inflammation identified as a key mediator of disease pathogenesis. Interleukin-17A (IL-17) is a pro-inflammatory cytokine that has been implicated in inflammatory diseases such as rheumatoid arthritis. IL-17 can upregulate expression of inflammatory cytokines and adipocytokines...
2017: PloS One
https://www.readbyqxmd.com/read/28389056/effects-of-adipokines-and-obesity-on-uterine-contractility
#11
REVIEW
Henri Azaïs, Audrey Leroy, Louise Ghesquiere, Philippe Deruelle, Sandy Hanssens
Obesity is a major public health problem. The prevalence of obesity has significantly increased in developed countries, particularly in France with an overall increase of 76% over the last 15 years. In pregnant women, obesity is associated with alterations in the quality of labor, such as delayed onset of labor, a higher rate of prolonged pregnancies, prolonged labor, and higher oxytocin requirements. There is also an increased prevalence of Cesarean sections, particularly during the active phase of labor, and perinatal complications (postpartum hemorrhage)...
January 13, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28348585/the-determinants-of-leptin-levels-in-diabetic-and-nondiabetic-saudi-males
#12
Mona Hmoud Al Sheikh
Objective. This study aimed to identify the main determinants of serum leptin levels. Methods. A sample of 113 Saudi adult males (55 diabetic and 58 nondiabetic) was selected according to the inclusion and exclusion criteria identified below. Blood samples were taken from participants after fasting for 12 hours. For diabetic patients, the insulin dose was given 12 hours before. In general, the study instrument consisted of blood biochemical tests. Metabolic parameters, glycosylated hemoglobin (HbA1c), low-density lipoprotein (LDL), high-density lipoprotein (HDL), cholesterol, and triglyceride (TG), and adipokines, leptin, adiponectin, visfatin, and resistin, were measured...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28344453/high-intensity-exercise-and-carbohydrate-supplementation-do-not-alter-plasma-visfatin
#13
Paul F Mellick, Bryan J Feger, Douglas J Oberlin, Paul G Davis, Laurie Wideman
The purpose of the study was to examine the effect of high-intensity exercise and carbohydrate supplementation (CHO) on plasma visfatin. On 2 separate days, 10 sprint-trained males (age = 26.4 ± 5.3 yr; Ht = 1.77 ± 0.03 m; Wt = 78.78 ± 9.10 kg; BF% = 13.96 ± 7.28%) completed 4, 3-min bouts of cycling at 50% mean anaerobic power, with 6 min of rest between bouts. On CHO day, subjects ingested 50g of CHO 30 min before exercise. On control day, subjects ingested a sugar-free drink (CON) 30 min before exercise...
March 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28333382/regulation-and-function-of-extracellular-nicotinamide-phosphoribosyltransferase-visfatin
#14
Federico Carbone, Luca Liberale, Aldo Bonaventura, Alessandra Vecchiè, Matteo Casula, Michele Cea, Fiammetta Monacelli, Irene Caffa, Santina Bruzzone, Fabrizio Montecucco, Alessio Nencioni
Nicotinamide phosphoribosyltransferase (NAMPT) is an adipokine-enzyme, which was described as to play bioactivities both in the intracellular and in the extracellular environment. However, while the functions of intracellular NAMPT (iNAMPT) are well known, much less is known on extracellular NAMPT (eNAMPT), also called visfatin or pre-B cell colony-enhancing factor. iNAMPT catalyzes the rate-limiting step in the NAD+ biosynthesis pathway from nicotinamide. Its inhibition severely reduces intracellular NAD+ levels, achieving anti-inflammatory and anti-cancer effects...
March 16, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28300464/serum-visfatin-vascular-endothelial-growth-factor-and-matrix-metalloproteinase-9-in-women-with-polycystic-ovary-syndrome
#15
Kalliopi Dambala, Dimitrios Vavilis, Eleni Bili, Dimitrios G Goulis, Basil C Tarlatzis
AIM: To evaluate serum concentrations of visfatin, vascular endothelial growth factor (VEGF) and matrix metalloproteinase-9 (MMP-9) in women with polycystic ovary syndrome (PCOS) and to investigate their possible role as early endothelial markers in PCOS. METHODS: Forty-two women with PCOS and 42 controls, matched for age and weight, were included in the study. Serum concentrations of follicle-stimulating hormone (FSH), luteinizing hormone (LH), prolactin, total testosterone (tT), Δ4-androstenedione (Δ4A), dehydroepinadrosterone sulphate (DHEA-S), 17-OH-progesterone, sex hormone-binding protein (SHBG), thyroid-stimulating hormone (TSH), free thyroxine (fT4), visfatin, VEGF and MMP-9 were measured in all women; free androgen index (FAI) was calculated as well...
March 16, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28293019/novel-adipokines-methodological-utility-in-human-obesity-research
#16
F Eichelmann, N Rudovich, A F Pfeiffer, M B Schulze, R di Giuseppe, H Boeing, K Aleksandrova
BACKGROUND: Adipokines could pose a link between adiposity, systemic inflammation and metabolic disease risk. However, it is unclear whether representative biomarkers are methodologically suitable for use in human obesity research. METHODS: We assessed the intra-individual reproducibility of selected adipokines in a sample of 207 apparently healthy participants with available biosample collections over 4 month period. Concentrations of the following adipokines were measured at each sampling time point: fatty-acid binding protein-4 (FABP-4), lipocalin-2, monocyte chemoattractant protein 1 (MCP-1), procalcitonin, progranulin, vaspin and visfatin/Nampt...
March 15, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28292381/serum-levels-of-visfatin-and-interleukin-6-in-non-obese-versus-obese-men-with-coronary-artery-disease
#17
Shaheena Naz, Qamar Shakoor Sandhu, Abida Akhtar, Uzma Zafar, Attiqa Khalid, Muniza Saeed
OBJECTIVE: To evaluate and compare the serum levels of visfatin, interleukin-6 and lipid profile in non-obese and obese male patients with coronary artery disease. STUDY DESIGN: Observational, comparative study. PLACE AND DURATION OF STUDY: Punjab Institute of Cardiology and Lahore General Hospital, Lahore, from July to December 2013. METHODOLOGY: The participants included 20 non-obese group I with coronary artery disease (CAD) and 20 obese males group II with coronary artery disease (angiographically confirmed)...
February 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28287842/the-correlation-between-insulin-like-growth-factor-1-igf-1-and-novel-adipocytokines-in-postmenopausal-women-a-population-based-study
#18
Hossein Darabi, Afshin Ostovar, Alireza Raeisi, Mohammad Reza Kalantarhormozi, Majid Assadi, Samad Akbarzadeh, Safieh Momeni, Sina Dobaradaran, Katayoun Vahdat, Iraj Nabipour
The adipocytokines and insulin-like growth factor 1 (IGF-1) are involved in insulin resistance, the cardiometabolic syndrome, and atherosclerosis. Therefore, investigating the relationship between circulating levels of the novel adipocytokines and IGF-1 is worthwhile. The correlation between IGF-1, visfatin, and omentin-1 has not been adequately investigated. In a population-based study, 324 postmenopausal women were randomly selected. Circulating IGF-1, visfatin, omentin-1, adiponectin, and high-sensitivity C-reactive protein (hs-CRP) levels were measured with the highly specific enzyme-linked immunosorbent assay method...
March 13, 2017: Endocrine Research
https://www.readbyqxmd.com/read/28240682/visfatin-levels-are-increased-in-patients-with-resistant-hypertension-and-are-correlated-with-left-ventricular-hypertrophy
#19
Ender Ozal, Irfan Sahin, Ismail Bolat, Hamdi Pusuroglu, Ilhan Iker Avci, Ozgur Akgul, Vesile Ornek, Ozgür Sürgit, Aydin Yildirim
OBJECTIVE: The aim of this study was to investigate the possible correlation of serum visfatin levels with resistant hypertension (RHT). PATIENTS AND METHODS: Patients who had undergone ambulatory blood pressure measurements (ABPM) during the outpatient controls were prospectively recruited. Seventy-one patients with RHT and 94 patients with controlled hypertension (CHT) were included in the study. RHT was defined as 'uncontrolled blood pressure (BP) despite using three antihypertensive agents including a diuretic or need of four or more drugs to control BP'...
June 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28228651/adipokines-and-cardiovascular-disease-a-comprehensive-review
#20
Ales Smekal, Jan Vaclavik
Adipokines are peptides that signal the functional status of adipose tissue to the brain and other target organs. In adipose tissue dysfunction, adipokine secretion is altered, and this can contribute to a spectrum of obesity-associated conditions including cardiovascular disease. Some adipokines have anti-inflammatory and cardioprotective effects (omentin, apelin, adiponectin). Others are pro-inflammatory with negative impact on cardiovascular function (leptin, visfatin, resistin, adipocyte fatty-acid-binding protein)...
February 16, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
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