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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
Chiara Sartori, Pietro Lazzeroni, Silvia Merli, Viviana Dora Patianna, Francesca Viaroli, Francesca Cirillo, Sergio Amarri, Maria Elisabeth Street
Adipokines are cytokines produced mainly by adipose tissue, besides many other tissues such as placenta, ovaries, peripheral-blood mononuclear cells, liver, muscle, kidney, heart, and bone marrow. Adipokines play a significant role in the metabolic syndrome and in cardiovascular diseases, have implications in regulating insulin sensitivity and inflammation, and have significant effects on growth and reproductive function. The objective of this review was to analyze the functions known today of adiponectin, leptin, resistin, and visfatin from placenta throughout childhood and adolescence...
2016: Mediators of Inflammation
Beatriz Sarriá, Sara Martínez-López, José Luis Sierra-Cinos, Luis García-Diz, Raquel Mateos, Laura Bravo-Clemente
PURPOSE: Preventive health effects of coffee could have a widespread impact on public health. Green coffee has more phenols than roasted, and thus is healthier, although with less acceptable organoleptic properties. Therefore, the effects of regularly consuming a green/roasted coffee blend (35/65) on the main components of MetS in humans were evaluated. METHODS: A crossover, randomized, controlled study was performed in 25 normocholesterolaemic and 27 hypercholesterolaemic men and women aged 18-45 years with BMI 18-25 kg/m(2)...
October 13, 2016: European Journal of Nutrition
Aleksander J Owczarek, Magdalena Olszanecka-Glinianowicz, Piotr Kocełak, Maria Bożentowicz-Wikarek, Aniceta Brzozowska, Małgorzata Mossakowska, Monika Puzianowska-Kuźnicka, Tomasz Grodzicki, Andrzej Więcek, Jerzy Chudek
BACKGROUND: The available literature suggests that circulating visfatin/Nicotinamide Phosphoribosyltransferase (NAMPT) level variability in humans is related to obesity, insulin resistance, inflammation, and lipid profile. The aim of the study was to assess the relationship between circulating visfatin/NAMPT, obesity, insulin resistance, inflammation, and lipid profile in a large population-based, elderly cohort, applying structural equation modeling. MATERIALS AND METHODS: The analysis included 2983 elderly participants of the PolSenior study with assessed total blood count, fasting concentrations of lipids, glucose, insulin, hs-CRP, interleukin-6, and visfatin/NAMPT (by ELISA), and calculated HOMA-IR...
October 7, 2016: Scandinavian Journal of Clinical and Laboratory Investigation
S Tenti, P Palmitesta, N Giordano, M Galeazzi, A Fioravanti
No abstract text is available yet for this article.
August 16, 2016: Scandinavian Journal of Rheumatology
Urszula Razny, Danuta Fedak, Beata Kiec-Wilk, Joanna Goralska, Anna Gruca, Anna Zdzienicka, Malgorzata Kiec-Klimczak, Bogdan Solnica, Alicja Hubalewska-Dydejczyk, Malgorzata Malczewska-Malec
BACKGROUND: Carboxylated osteocalcin (Gla-OC) participates in bone remodeling, whereas the undercarboxylated form (Glu-OC) takes part in energy metabolism. This study was undertaken to compare the blood levels of Glu-OC and Gla-OC in non-obese, healthy obese as well as prediabetic volunteers and correlate it with the metabolic markers of insulin resistance and early markers of inflammation. METHODS: Non-obese (BMI <30 kg/m(2) , n = 34) and obese subjects (>30 BMI <40 kg/m(2) , n = 98), both sexes, aged 25-65 years were divided into: healthy control, normal weight subjects, healthy obese and obese with biochemical markers of prediabetes and subgroups with obesity and low or high Gla-OC or Glu-OC and considered for statistical analysis...
September 26, 2016: Diabetes/metabolism Research and Reviews
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
Vasileios Giapros, Efthymia Vavva, Ekaterini Siomou, Georgios Kolios, Sofia Tsabouri, Vasileios Cholevas, Eleni Bairaktari, Meropi Tzoufi, Anna Challa
OBJECTIVE: To investigate the insulin resistance status in SGA infants at 12 months and its relationship with auxological and metabolic parameters. METHODS: One group of 45 SGA and one of 50 appropriate for gestational age infants were followed from birth to the end of the first year of life. At 12 months, skinfold thickness, waist circumference, and blood levels of glucose, insulin, adiponectin, leptin, resistin, visfatin, retinol-binding protein 4, IGFs, lipids profile were determined, and the HOMA-IR index was calculated...
September 9, 2016: Journal of Maternal-fetal & Neonatal Medicine
Miguel López-Yoldi, Beatriz Marcos-Gomez, M Asunción Romero-Lozano, Neira Sáinz, Jesús Prieto, J Alfredo Martínez, Matilde Bustos, Maria J Moreno-Aliaga
Cardiotrophin-1 (CT-1) belongs to the IL-6 family of cytokines. Previous studies of our group revealed that CT-1 is a key regulator of glucose and lipid metabolism. The aim of the present study was to analyze the in vitro and in vivo effects of CT-1 on the production of several adipokines involved in body weight regulation, nutrient metabolism and inflammation. For this purpose, 3T3-L1 adipocytes were incubated with recombinant protein CT-1 (rCT-1) (1- 40 ng/mL) for 1 and 18 h. Moreover, the acute effects of rCT-1 administration (0...
September 8, 2016: Journal of Cellular Physiology
M Miler, N Nikolac, D Segulja, S Kackov Maslac, I Celap, K Altabas, S Sefer, A M Simundic
PURPOSE: Low-grade chronic inflammation is present in patients on peritoneal dialysis (PD) and in metabolic syndrome (MS). Due to possible greater endothelial changes in dialyzed patients, inflammatory response and oxidative stress are probably stronger in patients on PD. The objective of the study was to investigate possible in between adipokines, inflammatory, endothelial and oxidative stress markers between MS patients and patients on PD. METHODS: Concentrations of adipokines (leptin, resistin), inflammatory markers [interleukin-6 (IL-6), soluble tumor necrosis factor alpha receptor (sTNF-R), myeloperoxidase (MPO), monocyte chemoattractant protein 1 (MCP-1)] and endothelial markers [soluble intracellular adhesion molecule-1 (sICAM-1), soluble CD40 ligand (sCD40L)] were determined in 55 MS patients and 18 patients on PD, with flow cytometry, and visfatin concentration was measured with ELISA...
September 6, 2016: Journal of Endocrinological Investigation
H-S Kim, J-H Kang, E-B Jeung, M-P Yang
BACKGROUND: The concentrations of circulating adipokines in dogs with myxomatous mitral valve disease (MMVD) have not been investigated in detail. OBJECTIVES: To determine whether serum concentrations of adipokines differ between healthy dogs and dogs with MMVD and whether circulating concentrations depend on the severity of heart failure resulting from MMVD. ANIMALS: In the preliminary study, 30 healthy dogs and 17 client-owned dogs with MMVD, and in the subsequent study, 30 healthy dogs and 46 client-owned dogs with MMVD...
September 2016: Journal of Veterinary Internal Medicine
Guang-Ji Wang, Ning-Jiang Shen, Liang Cheng, Yehan Fang, Hui Huang, Kang-Hua Li
Pulmonary metastasis is the major challenge for clinical treatment of osteosarcoma patients. Recent studies indicated that visfatin, a 52kDa adipocytokine, can trigger the cell motility of various cancers, while its role in the progression of osteosarcoma remains not clear. Our present study revealed that visfatin can significantly promote the in vitro migration and invasion of osteosarcoma MG-63 and HOS cells and up regulate the expression of matrix metalloproteinase-2 (MMP-2) and fibronectin (FN). Furthermore, visfatin treatment also increased the expression of IL-6 in both MG-63 and HOS cells via a time dependent manner, while anti-IL-6 antibody can significantly attenuate visfatin induced cell invasion and up regulation of MMP-2 and FN...
August 26, 2016: European Journal of Pharmacology
Larisa Diana Mocan Hognogi, Luminita Vida Simiti
As it had been already stated by latest research, inflammation is a condition which sits at the very base of atherogenesis, which is the major consequence of the metabolic syndrome. It was stated that adipose tissue impacts all organs by the synthesis of adipokines. Visfatin/NAMPT is a biomarker that was recently discovered in mice (2005). In the beginning it was believed to have insulin-like properties, but afterwards research has found important links between Visfatin and inflammation, endothelial dysfunction and atherosclerosis in coronary artery disease...
2016: Clujul Medical (1957)
Magdalena Chełchowska, Jadwiga Ambroszkiewicz, Joanna Gajewska, Grażyna Rowicka, Tomasz M Maciejewski, Joanna Mazur
Aims. Maternal smoking is considered as a source of oxidative stress, which has been implicated to disrupted adipokines expression in adipose tissue. We examined the relationship between selected adipokines and markers of oxidative stress/antioxidant defence in the umbilical cord of neonates exposed and nonexposed in utero to tobacco smoke. Methods. Subjects including 85 healthy neonates (born to 41 smokers and 44 nonsmokers) were tested for adiponectin, visfatin, oxidized low density lipoprotein (ox-LDL), total oxidant capacity (TOC), and total antioxidant capacity (TAC)...
2016: Oxidative Medicine and Cellular Longevity
Błażej Szydło, Paweł Kiczmer, Elżbieta Świętochowska, Zofia Ostrowska
For the past few years adipokines have been a center of appreciation and interest. They are biologically active molecules causing pleiotropic effects. They assist in angiogenesis, adipose tissue metabolism and inflammation, and modulate tissue sensitivity for insulin. Adipokines are produced in adipose tissue, so an abnormal quantity of this tissue leads to impaired levels of these factors. Because of their different concentrations in various conditions, it would be plausible to use them as markers for individual conditions, such as obesity, type 2 diabetes mellitus, pancreatitis, gastric cancer, lung cancer or colon cancer...
2016: Postȩpy Higieny i Medycyny Doświadczalnej
Magdalena Sawicka, Joanna Janowska, Jerzy Chudek
Obesity is a risk factor of cardiovascular diseases. However, in the case of heart failure, obese and overweight patients have a more favourable prognosis compared to patients who have a normal body weight. This phenomenon is referred to as the "obesity paradox," and it is explained by, among others, a positive effect of adipokines produced by adipose tissue, particularly by the tissue located in the direct vicinity of the heart and blood vessels. The favourable effect on the cardiovascular system is mostly associated with adiponectin and omentin, but the levels of these substances are reduced in obese patients...
November 1, 2016: International Journal of Cardiology
S Małgorzewicz, A Dębska-Slizień, B Czajka, A Owczarzak, B Rutkowski
BACKGROUND: Increasing evidence shows that body mass may play a role in complications after kidney transplantation and influence graft and patient survival. The aim of this study was to analyze the association between graft function and both the body mass and adipokines (leptin, visfatin, adiponectin) in kidney transplant recipients. METHODS: We studied 183 kidney transplant recipients from the Department of Nephrology, Transplantology and Internal Disease, Medical University of Gdansk...
June 2016: Transplantation Proceedings
Lucia Berti, Sonja Hartwig, Martin Irmler, Bernhard Rädle, Dorothea Siegel-Axel, Johannes Beckers, Stefan Lehr, Hadi Al-Hasani, Hans-Ulrich Häring, Martin Hrabě de Angelis, Harald Staiger
CONTEXT: Perivascular adipose tissue (PVAT) is suggested to impact on vascular cells via humoral factors, possibly contributing to endothelial dysfunction and atherosclerosis. OBJECTIVE: To address whether the hepatokine fibroblast growth factor (FGF) 21 affects the PVAT secretome. METHODS: Human perivascular (pre)adipocytes were subjected to targeted proteomics and whole-genome gene expression analysis. RESULTS: Preadipocytes, as compared to adipocytes, secreted higher amounts of inflammatory cytokines and chemokines...
August 5, 2016: Archives of Physiology and Biochemistry
J Kuryszko, P Sławuta, G Sapikowski
There are two kinds of adipose tissue in mammals: white adipose tissue - WAT and brown adipose tissue - BAT. The main function of WAT is accumulation of triacylglycerols whereas the function of BAT is heat generation. At present, WAT is also considered to be an endocrine gland that produces bioactive adipokines, which take part in glucose and lipid metabolism. Considering its endocrine function, the adipose tissue is not a homogeneous gland but a group of a few glands which act differently. Studies on the secretory function of WAT began in 1994 after discovery of leptin known as the satiation hormone, which regulates body energy homeostasis and maintainence of body mass...
2016: Polish Journal of Veterinary Sciences
Yasumi Kimura, Kazuki Yasuda, Kayo Kurotani, Shamima Akter, Ikuko Kashino, Hitomi Hayabuchi, Masao Sato, Tetsuya Mizoue
PURPOSE: Increased iron storage, as measured by circulating ferritin, has been linked to an increased risk of various diseases including diabetes. We examined the association of circulating ferritin with serum adiponectin, leptin, resistin, plasminogen activator inhibitor-1 (PAI-1), and visfatin levels. METHODS: We conducted a cross-sectional study among 429 Japanese employees (284 men and 145 premenopausal women, mean age: 42.5 ± 10.5 years). Serum adipokines were measured using Luminex suspension bead-based multiplexed array, and serum ferritin was determined using a chemiluminescence immunoassay...
August 2, 2016: European Journal of Nutrition
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