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https://www.readbyqxmd.com/read/28821440/apelin-protects-against-liver-x-receptor-mediated-steatosis-through-ampk-and-ppar%C3%AE-in-human-and-mouse-hepatocytes
#1
Jin Huang, Saeromi Kang, Soo-Jin Park, Dong-Soon Im
Non-alcoholic fatty liver disease is the most commonly occurring chronic liver disease, and hepatic steatosis, a condition defined as extensive lipid accumulation in hepatocytes, is associated with liver dysfunction and metabolic diseases, such as, obesity and type II diabetes. Apelin is an adipokine that acts on a G protein-coupled receptor named APJ, and has been established to play pivotal roles in various physiological conditions. However, the function of apelin in hepatocytes has not been fully investigated...
August 15, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28819322/nampt-enzyme-activity-regulates-catabolic-gene-expression-in-gingival-fibroblasts-during-periodontitis
#2
Ka Hyon Park, Duck-Kyu Kim, Yun Hyun Huh, Gyuseok Lee, Su-Hyeon Lee, Yunkyung Hong, Sun-Hun Kim, Min-Suk Kook, Jeong-Tae Koh, Jang-Soo Chun, Shee Eun Lee, Je-Hwang Ryu
Periodontal disease is one of the most prevalent chronic disorders worldwide. It is accompanied by inflammation of the gingiva and destruction of periodontal tissues, leading to alveolar bone loss. Here, we focused on the role of adipokines, which are locally expressed by periodontal tissues, in the regulation of catabolic gene expression leading to periodontal inflammation. The expression of the nicotinamide phosphoribosyltransferase (NAMPT) adipokine was dramatically increased in inflamed human and mouse gingival tissues...
August 18, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28816988/relationship-between-serum-adipokine-levels-and-radiographic-progression-in-patients-with-ankylosing-spondylitis-a-preliminary-2-year-longitudinal-study
#3
Ji-Heh Park, Seung-Geun Lee, Yun-Kyung Jeon, Eun-Kyoung Park, Young-Sun Suh, Hyun-Ok Kim
The immunomodulatory effects of adipokines have been extensively studied in rheumatic diseases, and there is a paucity of information regarding their effects on bone metabolism.The aim of this study was to investigate the relationships between serum adipokines levels and radiographic progression over 2 years in patients with ankylosing spondylitis (AS).In this preliminary longitudinal study, we prospectively recruited 20 consecutive male patients with AS and 11 gender- and age-matched healthy subjects. At the baseline and 2-year follow-up, serum adiponectin, leptin, resistin, tumor necrosis factor-alpha (TNF-α), interleukin (IL)-6, and Dickkopf-1(DKK-1) levels were measured in AS patients using enzyme-linked immunosorbent assays; these measurements were only performed at the baseline for healthy controls...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816920/similar-metabolic-innate-immunity-and-adipokine-profiles-in-adult-and-pediatric-sepsis-versus-systemic-inflammatory-response-syndrome-a-pilot-study
#4
Theonymfi Tavladaki, Anna Maria Spanaki, Helen Dimitriou, Efmorfia Kondili, Christianna Choulaki, Dimitris Georgopoulos, George Briassoulis
OBJECTIVES: To examine whether the septic profiles of heat shock protein 72, heat shock protein 90α, resistin, adiponectin, oxygen consumption, CO2 production, energy expenditure, and metabolic pattern, along with illness severity, nutritional, and inflammatory indices, differ between adult and pediatric patients compared with systemic inflammatory response syndrome and healthy controls. To evaluate whether these biomolecules may discriminate sepsis from systemic inflammatory response syndrome in adult and pediatric patients...
August 12, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28814962/circulating-zinc-%C3%AE-2-glycoprotein-levels-are-low-in-newly-diagnosed-patients-with-metabolic-syndrome-and-correlate-with-adiponectin
#5
Lu Lei, Kejia Li, Ling Li, Xia Fang, Tingting Zhou, Cheng Zhang, Yong Luo, Hua Liu, Xiaoqiang Li, Hongting Zheng, Lin Zhang, Gangyi Yang, Lin Gao
BACKGROUND: Zinc-α2-glycoprotein (ZAG) is a novel adipokine that reduces insulin resistance, protecting against type 2 diabetes. However, past studies have been contradictory. This cross-sectional study aims to investigate the association of circulating ZAG with metabolic syndrome (MetS) in middle-aged and older Chinese adults. METHODS: Four hundred eighty nine individuals (234 healthy controls and 255 MetS patients) were examined. All individuals were screened for MetS according to the diagnostic guidelines of the United States National Cholesterol Education Program (NCEP) Expert Panel Adult Treatment Panel (ATP) III criteria...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28814877/mechanism-and-therapeutic-effectiveness-of-nerve-growth-factor-in-osteoarthritis-pain
#6
REVIEW
Xiushuai Shang, Zhaofei Wang, Hairong Tao
Osteoarthritis (OA) is the most common form of articular joint arthritis and a cause of significant morbidity. In this review, we present the role of nerve growth factor (NGF) in pain generation, relationship between NGF and OA pain, and pathogenic factors (interleukin-1β, transforming growth factor-β1, mechanical loading, and adipokines) involved in OA development. Since NGF blocking is an efficient way to inhibit OA-associated pain, we summarize four categories of drugs that target NGF/tropomyosin receptor kinase A (TrkA) signaling...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28812414/adipokine-genes-and-radiographic-hand-osteoarthritis-in-finnish-women-a-cross-sectional-study
#7
S Hämäläinen, S Solovieva, T Vehmas, A Hirvonen, P Leino-Arjas
OBJECTIVES: Available evidence suggests that genetic factors and overweight play major roles in the aetiology of osteoarthritis (OA). We analysed the association of 18 single-nucleotide polymorphisms (SNPs) from nine adipokine and adipokine receptor genes (LEP, LEPR, ADIPOQ, RETN, NAMPT, SERPINA12, ITLN1, RARRES2, and APLN) with radiographic hand OA. METHOD: The study design was cross-sectional. Bilateral hand radiographs of 542 occupationally active Finnish female dentists and teachers aged 45-63 years were examined and classified for the presence of hand OA using reference images...
August 16, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28812049/importance-of-adiponectin-activity-in-the-pathogenesis-of-alzheimer-s-disease
#8
REVIEW
Masaaki Waragai, Gilbert Ho, Yoshiki Takamatsu, Kazunari Sekiyama, Shuei Sugama, Takato Takenouchi, Eliezer Masliah, Makoto Hashimoto
A recent study suggested that insulin resistance may play a central role in the pathogenesis of Alzheimer's disease (AD). In this regard, it is of note that upregulation of plasma adiponectin (APN), a benign adipokine that sensitizes the insulin receptor signaling pathway and suppresses inflammation, has recently been associated with the severities of amyloid deposits and cognitive deficits in the elderly, suggesting that APN may enhance the risk of AD. These results are unanticipated because AD has been linked to type II diabetes and other metabolic disorders in which hypoadiponectinemia has been firmly established, and because APN ameliorated neuropathological features in a mouse model of neurodegeneration...
August 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28811502/sex-steroid-hormones-regulate-leptin-transcript-accumulation-and-protein-secretion-in-3t3-l1-cells
#9
Mónica Z Jenks, Heather E Fairfield, Erik C Johnson, Ron F Morrison, Gloria K Muday
Leptin is an adipokine produced by fat cells that regulates food consumption and metabolic activity. Sexual dimorphism in leptin and fat stores have been observed in humans and rodents with females having more leptin and greater levels of subcutaneous fat than males. One potential mechanism leading to this dimorphism is steroid hormone regulated synthesis of transcripts encoding leptin. Identification of direct regulatory mechanisms is difficult in animals or primary adipocytes due to these intertwined dimorphisms...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28809927/in-middle-aged-and-old-obese-patients-training-intervention-reduces-leptin-level-a-meta-analysis
#10
Ildikó Rostás, László Pótó, Péter Mátrai, Péter Hegyi, Judit Tenk, András Garami, Anita Illés, Margit Solymár, Erika Pétervári, Ákos Szűcs, Andrea Párniczky, Dániel Pécsi, Zoltán Rumbus, Csaba Zsiborás, Nóra Füredi, Márta Balaskó
BACKGROUND: Leptin is one of the major adipokines in obesity that indicates the severity of fat accumulation. It is also an important etiological factor of consequent cardiometabolic and autoimmune disorders. Aging has been demonstrated to aggravate obesity and to induce leptin resistance and hyperleptinemia. Hyperleptinemia, on the other hand, may promote the development of age-related abnormalities. While major weight loss has been demonstrated to ameliorate hyperleptinemia, obese people show a poor tendency to achieve lasting success in this field...
2017: PloS One
https://www.readbyqxmd.com/read/28809783/role-of-omentin-vaspin-cardiotrophin-1-tweak-and-nov-ccn3-in-obesity-and-diabetes-development
#11
REVIEW
Xavier Escoté, Saioa Gómez-Zorita, Miguel López-Yoldi, Iñaki Milton-Laskibar, Alfredo Fernández-Quintela, J Alfredo Martínez, María J Moreno-Aliaga, María P Portillo
Adipose tissue releases bioactive mediators called adipokines. This review focuses on the effects of omentin, vaspin, cardiotrophin-1, Tumor necrosis factor-like Weak Inducer of Apoptosis (TWEAK) and nephroblastoma overexpressed (NOV/CCN3) on obesity and diabetes. Omentin is produced by the stromal-vascular fraction of visceral adipose tissue. Obesity reduces omentin serum concentrations and adipose tissue secretion in adults and adolescents. This adipokine regulates insulin sensitivity, but its clinical relevance has to be confirmed...
August 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28808139/differential-expression-of-sirtuin-2-and-adipocyte-maturation-restriction-an-adaptation-process-during-hypoxia-in-fish
#12
Ekambaram Padmini, Parasuraman Parimala
Sirtuins have received wide spread attention due to their diverse physiological role in metabolism. Among sirtuins, SIRT2 is more abundant in adipocytes; exerts effect on adipocyte differentiation, a process involves conversion of preadipocytes to mature adipocytes orchestrated by adipokines and adipogenic transcription factors. Grey mullets (Scientific name: Mugil cephalus) were chosen as study organism due to its excellent serve as a biomonitor. Adipocytes isolated from natural field condition were termed as field hypoxic (Ennore) and normoxic (Kovalam) based on DO level in the estuary...
August 14, 2017: Biology Open
https://www.readbyqxmd.com/read/28807153/c1q-tumor-necrosis-factor-related-protein-3-enhances-the-contractility-of-cardiomyocyte-by-increasing-calcium-sensitivity
#13
Cheng-Lin Zhang, Zheng-Ju Chen, Han Feng, Qian Zhao, Yang-Po Cao, Li Li, Jin-Yu Wang, Yan Zhang, Li-Ling Wu
C1q/tumor necrosis factor-related protein-3 (CTRP3) is an adipokine that protects against myocardial infarction-induced cardiac dysfunction through its pro-angiogenic, anti-apoptotic, and anti-fibrotic effects. However, whether CTRP3 can directly affect the systolic and diastolic function of cardiomyocytes remains unknown. Adult rat cardiomyocytes were isolated and loaded with Fura-2AM. The contraction and Ca(2+) transient data was collected and analyzed by IonOptix system. 1 and 2μg/ml CTRP3 significantly increased the contraction of cardiomyocytes...
September 2017: Cell Calcium
https://www.readbyqxmd.com/read/28806419/effects-of-short-term-dry-immersion-on-bone-remodeling-markers-insulin-and-adipokines
#14
Marie-Thérèse Linossier, Liubov E Amirova, Mireille Thomas, Myriam Normand, Marie-Pierre Bareille, Guillemette Gauquelin-Koch, Arnaud Beck, Marie-Claude Costes-Salon, Christine Bonneau, Claude Gharib, Marc-Antoine Custaud, Laurence Vico
BACKGROUND: Dry immersion (DI), a ground-based model of microgravity previously used in Russia, has been recently implemented in France. The aim of this study was to analyze early events in a short-term DI model in which all conditions are met to investigate who is first challenged from osteo- or adipo-kines and to what extent they are associated to insulin-regulating hormones. METHODS: Twelve healthy men were submitted to a 3-day DI. Fasting blood was collected during pre-immersion phase for the determination of the baseline data collection (BDC), daily during DI (DI24h, DI48H and DI72h), then after recovery (R+3h and R+24h)...
2017: PloS One
https://www.readbyqxmd.com/read/28803009/involvement-of-plasma-adipokines-in-metabolic-and-reproductive-parameters-in-holstein-dairy-cows-fed-with-diets-with-differing-energy-levels
#15
N Mellouk, C Rame, J L Touzé, E Briant, L Ma, D Guillaume, D Lomet, A Caraty, T Ntallaris, P Humblot, J Dupont
This study aimed to investigate the association between plasma adipokine concentrations and metabolic and reproductive parameters in Holstein dairy cows fed diets with different energy levels during the peripartum period. The experiment started 1 mo before first calving and was maintained for 2 lactations. Dry matter intake and energy balance in animals fed a low-energy (LE) diet were significantly lower than that of animals fed a high-energy (HE) diet in the first lactation. Body weight, milk production, back fat thickness, and plasma concentrations of fatty acids, glucose, and insulin were not affected by diet, whereas plasma leptin and adiponectin concentrations were lower and plasma resistin concentrations higher in animals fed the LE diet...
August 9, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28801360/erratum-association-between-long-term-exposure-to-air-pollution-and-biomarkers-related-to-insulin-resistance-subclinical-inflammation-and-adipokines-diabetes-2016-65-3314-3326
#16
Kathrin Wolf, Anita Popp, Alexandra Schneider, Susanne Breitner, Regina Hampel, Wolfgang Rathmann, Christian Herder, Michael Roden, Wolfgang Koenig, Christa Meisinger, Annette Peters
No abstract text is available yet for this article.
August 11, 2017: Diabetes
https://www.readbyqxmd.com/read/28801262/the-physiological-and-pathophysiological-roles-of-taurine-in-adipose-tissue-in-relation-to-obesity
#17
REVIEW
Shigeru Murakami
Obesity is caused by an imbalance between energy intake and energy expenditure. It is established that obesity is a state of low-grade chronic inflammation, which is characterized by enlarged hypertrophied adipocytes, increased infiltration by macrophages and marked changes in the secretion of adipokines and free fatty acids. The effects of taurine on the pathogenesis of obesity have been reported in animals and humans. Although the mechanisms underlying the anti-obesity action of taurine remain to be defined, taurine seems to ameliorate obesity through stimulation of energy expenditure, modulation of lipid metabolism, anorexic effect, anti-inflammatory and anti-oxidative effects...
August 8, 2017: Life Sciences
https://www.readbyqxmd.com/read/28801068/lepr-polymorphism-may-affect-energy-balance-during-weight-loss-among-brazilians-obese-adolescents
#18
Flávia Campos Corgosinho, Sandro Soares Almeida, Lian Tock, João Bosco Pesquero, Ronaldo Carvalho Araújo, Ana Paula Grotti Clemente, Bárbara Dal'Molin Netto, Raquel Munhoz da Silveira Campos, Deborah Cristina Landi Masquio, Joana Pereira de Carvalho Ferreira, Priscila de Lima Sanches, Aline de Piano Ganen, Marcelo Macedo Rogero, Lila Missae Oyama, Sergio Tufik, Marco Túlio de Mello, Ana Raimunda Dâmaso
OBJECTIVE: Leptin is an adipokine released mainly by adipose tissue, with many functions including regulation of energy balance. However, little is known about the effect of LEPR polymorphism on orexigenic and anorexigenic neuropeptides. Thus, the aim of the present study is to verify the influence of LEPR polymorphism (rs2767485) on serum orexigenic (NPY, MCH and AgRP) and anorexigenic (Leptin and α-MSH) neuropeptides levels among obese adolescents submitted to 1year of multicomponent weight loss therapy...
August 2, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28798686/strong-association-between-plasma-dipeptidyl-peptidase-4-activity-and-impaired-cognitive-function-in-elderly-population-with-normal-glucose-tolerance
#19
Bo Chen, Tianpeng Zheng, Linyuan Qin, Xueping Hu, Xiaoxi Zhang, Yihong Liu, Hongbo Liu, Shenghua Qin, Gang Li, Qinghua Li
Objective: Inflammation, oxidative stress, and decreased glucagon-like peptide-1 (GLP-1) are risk factors for cognitive impairment. Dipeptidyl peptidase-4 (DPP4) was identified as a novel adipokine capable of enhancing these risk factors. Hence, we investigated the relationship between plasma DPP4 activity and impaired cognitive function in elderly Chinese population with normal glucose tolerance (NGT). Methods: We performed a cross-sectional study using data from 1229 elderly participants (60 years or older) in Guilin...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28798540/growth-differentiation-factor-15-may-predict-mortality-of-peripheral-and-coronary-artery-diseases-and-correlate-with-their-risk-factors
#20
Lung-An Hsu, Semon Wu, Jyh-Ming Jimmy Juang, Fu-Tien Chiang, Ming-Sheng Teng, Jeng-Feng Lin, Hsuan-Li Huang, Yu-Lin Ko
Plasma GDF15 concentrations were measured in 612 Taiwanese individuals without overt systemic disease. Clinical parameters, GDF15 genetic variants, and 22 biomarker levels were analyzed. We further enrolled 86 patients with PAD and 481 patients with CAD, who received endovascular intervention and coronary angiography, respectively, to examine the role of GDF15 level in predicting all-cause mortality. Significant associations were found between GDF15 genotypes/haplotypes and GDF15 levels. The circulating GDF15 level was positively associated with age, smoking, hypertension, and diabetes mellitus as well as circulating levels of lipocalin 2 and various biomarkers of inflammation and oxidative stress...
2017: Mediators of Inflammation
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