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https://www.readbyqxmd.com/read/28333382/regulation-and-function-of-extracellular-nicotinamide-phosphoribosyltransferase-visfatin
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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'...
February 24, 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28228651/adipokines-and-cardiovascular-disease-a-comprehensive-review
#7
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
https://www.readbyqxmd.com/read/28205394/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#8
Csaba P Kovesdy, Susan L Furth, Carmine Zoccali
Obesity has become a worldwide epidemic, and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risks of diabetes, cardiovascular disease and also for Chronic Kidney Disease. A high body mass index is one of the strongest risk factors for new-onset Chronic Kidney Disease. In individuals affected by obesity, a series of complex pathophysiologic changes occur that lead to the development of Chronic Kidney Disease. These include on the one hand effects mediated by the downstream consequences of obesity (such as diabetes mellitus and hypertension), but also direct effects of adipose tissue, via humoral factors such as leptin, adiponectin, resistin and visfatin)...
March 2017: Journal of Renal Care
https://www.readbyqxmd.com/read/28205390/circulating-adiponectin-and-visfatin-levels-in-rheumatoid-arthritis-and-their-correlation-with-disease-activity-a-meta-analysis
#9
Young Ho Lee, Sang-Cheol Bae
AIM: This study aimed to evaluate the relationship between circulating adiponectin and visfatin levels and rheumatoid arthritis (RA) and to establish a correlation between serum adipokine levels and RA activity. METHODS: We conducted meta-analyses on serum/plasma adiponectin or visfatin levels in patients with RA and controls and correlation coefficients between circulating adiponectin and visfatin levels and Disease Activity Score of 28 joints (DAS28) in RA patients...
February 16, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28190851/circulating-leptin-soluble-leptin-receptor-free-leptin-index-visfatin-and-selected-leptin-and-leptin-receptor-gene-polymorphisms-in-sporadic-breast-cancer
#10
Chrishani Rodrigo, Kamani Hemamala Tennekoon, Eric Hamilton Karunanayake, Kanishka De Silva, Indrani Amarasinghe, Ananda Wijayasiri
Leptin and visfatin are implicated in breast cancer risk but studies accounting for bioavailability of leptin are sparse. Reports on the association of leptin gene (LEP) and leptin receptor gene (LEPR) polymorphisms with breast cancer are also inconsistent. Only a very few studies have examined biochemical and genetic variables concomitantly in the same cohort. A matched pairs study was carried out to ascertain whether plasma leptin, soluble leptin receptor, free leptin index (leptin/soluble leptin receptor), serum visfatin and selected LEP and LEPR polymorphisms are risk factors for sporadic breast cancer...
February 11, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28183455/cardiometabolic-risk-markers-adipocyte-fatty-acid-binding-protein-afabp-and-the-impact-of-high-intensity-interval-training-hiit-in-obese-adolescents
#11
Susann Blüher, Jakob Käpplinger, Sabine Herget, Sandra Reichardt, Yvonne Böttcher, Andrea Grimm, Jürgen Kratzsch, David Petroff
OBJECTIVE: The impact of high-intensity interval training (HIIT) as well as the association between the adipocyte fatty binding protein (aFABP) and cardiometabolic risk factors in overweight adolescents was investigated. METHODS: Twenty-eight adolescents (13-18years; BMI≥90th percentile according to German reference values) were offered HIIT twice weekly for 6months. At baseline and after program completion, anthropometric, clinical and metabolic characteristics were assessed and a fasting blood sample was obtained...
March 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28178643/elevated-serum-visfatin-levels-are-associated-with-poor-prognosis-of-hepatocellular-carcinoma
#12
Yifan Sun, Shengbo Zhu, Zhitong Wu, Yiyong Huang, Chunming Liu, Shifu Tang, Lili Wei
Visfatin is considered a pro-inflammatory adipocytokine, and it is commonly increased in obesity-related diseases. This study aimed to evaluate the levels of serum visfatin in patients with hepatocellular carcinoma (HCC) and its diagnostic and predictive value in detecting HCC. Fasting serum levels of visfatin of 135 HCC patients, 115 chronic hepatitis B (CHB) patients, 129 liver cirrhosis (LC) patients, and 149 healthy controls were determined via enzyme-linked immunosorbent assay. Meanwhile, serum alpha fetal protein (AFP) and interleukin-6 (IL-6) were also assayed...
February 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28165558/the-relationship-between-serum-visfatin-and-the-progress-of-chronic-viral-hepatitis-b-cirrhosis
#13
X-L Wei
OBJECTIVE: To explore the relationship between serum visfatin and the progress of chronic viral hepatitis B cirrhosis. PATIENTS AND METHODS: Selected 153 cases of chronic hepatitis B patients with cirrhosis as an observational group. Among which, Child-Pugh Grade was divided into grade A with 31 cases, grade B with 79 cases and grade C with 43 cases. 50 healthy people were added to the study and were considered as control group. Comparison of the sera levels of visfatin, blood lipid, liver fibrosis indexes, fasting plasma glucose and fasting insulin of the observational and those of the control group were done...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28163205/localization-pattern-of-visfatin-nampt-in-d-galactose-induced-aged-rat-testis
#14
Malsawmhriatzuala Jeremy, Guruswami Gurusubramanian, Vikas Kumar Roy
Aging is a complex irreversible process which leads to decline in body physiology including reproductive activity. Neurological and brain functions defects have been studied in the d-gal induced aging rodent model. However, there is dearth of literature on reproductive aging induced by d-gal treatment. Visfatin is an adipokine which regulates testicular steroidogenesis and its level increases under stress conditions to cope and extend longevity. To the best of our knowledge the expression and localization pattern of visfatin and histological evaluation of d-gal induced aged testis have not been investigated...
February 3, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28161061/protective-proteins-and-telomere-length-in-placentas-from-patients-with-pre-eclampsia-in-the-last-trimester-of-gestation
#15
Autumn J Broady, Matthew H Loichinger, Hyeong Jun Ahn, Philip M C Davy, Richard C Allsopp, Gillian D Bryant-Greenwood
INTRODUCTION: Visfatin/nicotinamide phosphoribosyltransferase (Nampt), an enzyme involved in energy metabolism and sirtuins, SIRT1 and SIRT3, which are NAD-dependent deacetylases, are critical for cellular function. All three either regulate or are regulated by intracellular NAD+ levels and therefore available cellular energy, important for placental cell survival and successful pregnancy. This study investigates whether these protective proteins are involved in the placental pathophysiology of pre-eclampsia (PE) and if they are associated with 8-oxo-deoxyguanosine (8OHdG), a marker of oxidative damage or with placental telomere length...
February 2017: Placenta
https://www.readbyqxmd.com/read/28158237/an-increase-in-visceral-fat-is-associated-with-a-decrease-in-the-taste-and-olfactory-capacity
#16
Jose Carlos Fernandez-Garcia, Juan Alcaide, Concepcion Santiago-Fernandez, M M Roca-Rodriguez, Zaida Aguera, Rosa Baños, Cristina Botella, Rafael de la Torre, Jose M Fernandez-Real, Gema Fruhbeck, Javier Gomez-Ambrosi, Susana Jimenez-Murcia, Jose M Menchon, Felipe F Casanueva, Fernando Fernandez-Aranda, Francisco J Tinahones, Lourdes Garrido-Sanchez
INTRODUCTION: Sensory factors may play an important role in the determination of appetite and food choices. Also, some adipokines may alter or predict the perception and pleasantness of specific odors. We aimed to analyze differences in smell-taste capacity between females with different weights and relate them with fat and fat-free mass, visceral fat, and several adipokines. MATERIALS AND METHODS: 179 females with different weights (from low weight to morbid obesity) were studied...
2017: PloS One
https://www.readbyqxmd.com/read/28125531/repeated-binge-like-alcohol-intoxication-depot-specific-adipose-tissue-immuno-metabolic-dysregulation
#17
Flavia M Souza-Smith, Stephen M Ford, Liz Simon, Patricia E Molina
Repeated binge-like alcohol intoxication (RBAI) induces whole-body insulin resistance, which is predicted to increase the risk for metabolic syndrome and type 2 diabetes. Previously we showed that acute alcohol intoxication increases mesenteric lymphatic permeability, perilymphatic adipose tissue (PLAT) inflammation, and circulating lipopolysaccharide (LPS) levels in rats. We hypothesize that mesenteric lymphatic hyperpermeability, adipose tissue inflammation and associated dysregulated adipokine expression and insulin signaling are central mechanisms underlying whole body metabolic dysregulation resulting from RBAI...
January 25, 2017: Shock
https://www.readbyqxmd.com/read/28123583/association-of-leptin-visfatin-apelin-resistin-and-adiponectin-with-clear-cell-renal-cell-carcinoma
#18
Hai-Ping Zhang, Jian Zou, Zhuo-Qun Xu, Jun Ruan, Shu-Dong Yang, Ying Yin, Hui-Jun Mu
Although an association between obesity and the occurrence of renal cell carcinoma (RCC) has been identified, the mechanism by which obesity functions to increase this risk of cancer remains unclear. Leptin, visfatin, apelin, resistin and adiponectin are peptide hormones secreted by adipocytes; it is considered that these may affect RCC development by exerting effects on proliferation, cell growth and inflammation. The aim of the present study was to investigate the association between the aforementioned adipokine genes and clear cell RCC (CC-RCC)...
January 2017: Oncology Letters
https://www.readbyqxmd.com/read/28120588/the-association-of-chlamydia-pneumonia-and-helicobacter-pylori-igg-seropositivity-with-omentin-1-visfatin-and-adiponectin-levels-in-postmenopausal-women
#19
Reza Ranjbar, Alireza Bolkheir, Katayoun Vahdat, Majid Assadi, Hossein Darabi, Iraj Nabipour
Some adipocytokines are cardioprotective or pro-inflammatory for cardiovascular system. Chronic infection with Chlamydia pneumoniae and Helicobacter pylori has been also considered as novel risk factors for atherosclerosis. The main aim of the current population-based study is to investigate the potential link between circulating adipocytokines and Chlamydia pneumoniae or Helicobacter pylori IgG seropositivities. A total of 250 healthy postmenopausal women who participated in a prospective cohort study were evaluated for IgG antibodies directed against C...
December 2016: Acta Medica Iranica
https://www.readbyqxmd.com/read/28095064/adipokines-induce-catabolism-of-newly-synthesized-matrix-in-cartilage-and-meniscus-tissues
#20
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
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