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obesity tnf

Suprithi Choudhary, Ashish Mourya, Swati Ahuja, Sangeeta Pilkhwal Sah, Anil Kumar
Stress is associated with many diseases and dysfunctions, such as depression, cardiovascular alterations, immunological function disorder, inflammation, obesity, and insulin resistance. Stress-induced inflammation is associated with the genesis of insulin resistance. Stress activates hypothalamic pituitary adrenal axis, Renin Angiotensin System pathway, and sympatho-adrenal system, all of which are involved in the production of cytokines, causing the negative downregulation of insulin signaling either by phosphorylating serine residues of IRS or by inhibiting the activity of Akt leading to insulin resistance...
October 19, 2016: Inflammopharmacology
Daniel A De Luis, Rocío Aller, Olatz Izaola, David Primo, E Romero
INTRODUCTION: The aim of our study was to analyze the relationship of the rs9939609 FTO gene polymorphism with insulin resistance and serum adipokine levels. MATERIAL AND METHODS: A population of 610 patients with obesity was analyzed in a cross sectional design. Weight, blood pressure, basal glucose, c-reactive protein (CRP), insulin, insulin resistance (HOMA), lipid profile and adipocytokines (leptin, adiponectin, resistin, TNF alpha, and interleukin 6) levels were measured...
September 20, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
Ramesh Pothuraju, Raj Kumar Sharma, Sarver Ahmed Rather, Satvinder Singh
BACKGROUND: The aim of the present study was to investigate, anti-obesity effect of Aloe vera (AV), and Gymnema sylvestre (GS) whole extract powders administration to high-fat diet (HFD) fed C57BL/6J mice for 12 weeks. MATERIALS AND METHODS: At the end of experiment, different parameters such as body weight, feed intake, organ weights, fasting blood glucose, oral glucose tolerance test, plasma lipid levels, and expression analysis of adipocytokines were evaluated...
September 2016: Journal of Intercultural Ethnopharmacology
Patricio Lopez-Jaramillo
Cardiovascular diseases (CVD) are major causes of death and illness worldwide. In recent decades an increased prevalence of CVD mortality has been reported in low-medium income countries, which has been associated with changes in life styles, deficiencies in health systems and the persistence of social inequities.The metabolic syndrome comprises a cluster of cardiometabolic risk factors, with insulin resistance and increased adiposity as its central features. Identifying individuals with metabolic syndrome is important due to its association with an increased risk of coronary heart disease and type 2 diabetes mellitus (DM2)...
September 2016: Journal of Hypertension
Simone Vargas da Silva, Mariana Renovato-Martins, Cristiane Ribeiro-Pereira, Marta Citelli, Christina Barja-Fidalgo
OBJECTIVE: To investigate the role of obesity on the bone marrow microenvironment and evaluate its possible impact on the adipogenic potential of mesenchymal stem cells (MSC). METHODS: C57BL/6 male mice were fed with a high-fat diet (HFD) for 10 weeks. Femurs and tibiae were collected, and bone marrow mesenchymal stem cells (BM-MSC) were isolated and analyzed for proliferative potential, immunophenotype, and expression of adipogenesis markers. Their capacity to produce extracellular matrix proteins and proinflammatory cytokines in vitro was also evaluated...
October 18, 2016: Obesity
Juan Bai, Ying Zhu, Ying Dong
ETHNOPHARMACOLOGICAL RELEVANCE: Bitter melon (Momordica charantia L.) is rich in a variety of biologically active ingredients, and has been widely used in traditional Chinese medicine (TCM) to treat various diseases, including type 2 diabetes and obesity. AIM OF THE STUDY: We aimed to investigate how bitter melon powder (BMP) could affect obesity-associated inflammatory responses to ameliorate high-fat diet (HFD)-induced insulin resistance, and investigated whether its anti-inflammatory properties were effected by modulating the gut microbiota...
October 14, 2016: Journal of Ethnopharmacology
Bipradas Roy, Mary E Curtis, Letimicia S Fears, Samuel N Nahashon, Hugh M Fentress
Obesity and osteoporosis are two alarming health disorders prominent among middle and old age populations, and the numbers of those affected by these two disorders are increasing. It is estimated that more than 600 million adults are obese and over 200 million people have osteoporosis worldwide. Interestingly, both of these abnormalities share some common features including a genetic predisposition, and a common origin: bone marrow mesenchymal stromal cells. Obesity is characterized by the expression of leptin, adiponectin, interleukin 6 (IL-6), interleukin 10 (IL-10), monocyte chemotactic protein-1 (MCP-1), tumor necrosis factor-alpha (TNF-α), macrophage colony stimulating factor (M-CSF), growth hormone (GH), parathyroid hormone (PTH), angiotensin II (Ang II), 5-hydroxy-tryptamine (5-HT), Advance glycation end products (AGE), and myostatin, which exert their effects by modulating the signaling pathways within bone and muscle...
2016: Frontiers in Physiology
Yu-Shu Huang, Christian Guilleminault, Fang-Ming Hwang, Chuan Cheng, Cheng-Hui Lin, Hsueh-Yu Li, Li-Ang Lee
Pediatric obstructive sleep apnea (OSA) is associated with chronic systemic inflammation and with cognitive impairments. This study aimed to investigate the status of proinflammatory cytokines, particularly interleukin 17 (IL-17) and interleukin 23 (IL-23) and cognition in pediatric OSA.Controls and OSA children participated in the study. Exclusion criteria were adenotonsillectomy, heart, neurological and severe psychiatric diseases, craniofacial syndromes, and obesity. Polysomnogram was followed by serum testing for inflammatory markers and neurocognitive tests such as continuous performance task (CPT) and Wisconsin card sorting test, questionnaires, analyses of plasma high-sensitivity C-reactive protein (HS-CRP), tumor necrosis factor alpha (TNF-α), interleukin 1 (IL-1), interleukin 6 (IL-6), IL-17, and IL-23...
October 2016: Medicine (Baltimore)
Tatiana Moro, Grant Tinsley, Antonino Bianco, Giuseppe Marcolin, Quirico Francesco Pacelli, Giuseppe Battaglia, Antonio Palma, Paulo Gentil, Marco Neri, Antonio Paoli
BACKGROUND: Intermittent fasting (IF) is an increasingly popular dietary approach used for weight loss and overall health. While there is an increasing body of evidence demonstrating beneficial effects of IF on blood lipids and other health outcomes in the overweight and obese, limited data are available about the effect of IF in athletes. Thus, the present study sought to investigate the effects of a modified IF protocol (i.e. time-restricted feeding) during resistance training in healthy resistance-trained males...
October 13, 2016: Journal of Translational Medicine
Youngjoo Lee, Jiyeon Kim, Jinho An, Sungwon Lee, Heetae Lee, Hyunseok Kong, Youngcheon Song, Hye Ran Choi, Ji-Wung Kwon, Daekeun Shin, Chong-Kil Lee, Kyungjae Kim
Hyperlipidemia, which is closely associated with a fatty diet and aging, is commonly observed in the western and aged society. Therefore, a novel therapeutic approach for this disease is critical, and an immunological view has been suggested as a novel strategy, because hyperlipidemia is closely associated with inflammation and immune dysfunction. In this study, the effects of an aqueous extract of Rubus occidentalis (RO) in obese mice were investigated using immunological indexes. The mice were fed a high-fat diet (HFD) to induce hyperlipidemia, which was confirmed by biochemical analysis and examination of the mouse physiology...
October 17, 2016: Biomolecules & Therapeutics
Anais Gardette, Sébastien Ottaviani, Jérémie Sellam, Francis Berenbaum, Frédéric Lioté, Bruno Fautrel, Elisabeth Palazzo, Alain Meyer, Jean Sibilia, Philippe Dieudé
BACKGROUND: Previous studies suggested that obesity could negatively affect the response to anti-tumor necrosis factor α (TNFα) agents in rheumatoid arthritis (RA). However, data are lacking on whether obesity affects the response to abatacept (ABA). We aimed to determine whether body mass index (BMI) affects the response to ABA in RA. PATIENTS AND METHODS: In this multicenter retrospective study, we included RA patients who received ABA. BMI was calculated at the initiation of treatment...
October 13, 2016: European Journal of Clinical Investigation
Verena Zoller, Jan-Bernd Funcke, Michaela Keuper, Muad Abd El Hay, Klaus-Michael Debatin, Martin Wabitsch, Pamela Fischer-Posovszky
Tumor necrosis factor-α (TNFα) and other ligands of the TNF superfamily are potent regulators of adipose tissue metabolism and play a crucial role in the obesity-induced inflammation of adipose tissue. Adipose tissue expression levels of TRAIL (TNF-related apoptosis-inducing ligand) and its receptor were shown to be upregulated by overfeeding and decreased by fasting in mice. In the present study we aimed to elucidate the impact of TRAIL on adipogenesis. To this end, human Simpson-Golabi-Behmel syndrome (SGBS) preadipocytes as well as stromal-vascular cells isolated from human white adipose tissue were used as model systems...
October 13, 2016: Cell Death & Disease
Mirjam A Lips, Jan Bert van Klinken, Hanno Pijl, Ignace Janssen, Ko Willems van Dijk, Frits Koning, Vanessa van Harmelen
INTRODUCTION: Weight loss interventions such as Roux-en-Y gastric bypass (RYGB) and very low calorie diets (VLCD) lead to improvement of glucose metabolism in obese individuals with type-2 diabetes. Weight loss can also positively influence the unfavorable inflammatory profile associated with obesity. However, a direct comparison of the effect of VLCD and RYGB on systemic inflammation is lacking. METHODS: Systemic inflammation was investigated in age- and BMI-matched morbidly obese T2DM women by determining the number and activation- or memory status of peripheral blood leukocytes by flow cytometry, in addition to measuring circulating levels of cytokines and CRP...
November 2016: Metabolism: Clinical and Experimental
Maryam Noori, Bahar Jafari, Azita Hekmatdoost
BACKGROUND: The effects of pomegranate juice (PJ) on the risk factors of Nonalcoholic Fatty Liver Disease (NAFLD)/Nonalcoholic Steatohepatitis (NASH) have been shown previously; however, its effects on NAFLD and its prevention has not yet been elucidated. Our objective was to evaluate the effects of PJ consumption on prevention of NAFLD/NASH development. Sprague-Dawley rats were fed either high-fat, high sugar diet (model group), or high-fat, high sugar diet plus PJ (model+PJ), or chow diet ad libitum for seven weeks...
September 22, 2016: Journal of the Science of Food and Agriculture
Riki Toita, Takahito Kawano, Masaharu Murata, Jeong-Hun Kang
Obesity is associated with chronic inflammation and is known as a major risk factor for several diseases including chronic kidney disease, diabetes, and cardiovascular diseases. Macrophages play a critical role in the development of obesity-induced inflammation. Efficient delivery of therapeutic anti-inflammatory molecules, such as interleukin (IL)-10, to macrophages can dramatically improve therapeutic efficacy of obesity treatments. We used liposomes containing the 'eat-me' signal phosphatidylserine (PS) (PS-containing liposomes; PSL), which have macrophage targeting ability and anti-inflammatory functions, as a biomaterial carrier for the delivery of IL-10 to macrophages...
December 2016: Biomaterials
Krittiya Mosikanon, Dumrongkiet Arthan, Aikkarach Kettawan, Rungsunn Tungtrongchitr, Pattaneeya Prangthip
Increased inflammation occurs with excessive adiposity and yeast β-glucan modulates immune responses. This study investigated the potential effect of yeast β-glucan on inflammatory cytokines in overweight/obese people. A randomized, double blinded, placebo-controlled, clinical trial design enrolled 44 overweight/obese participants with body mass index ≥23 kg/m(2), randomized to two groups receiving β-glucan 477 mg/capsule (n = 22) or placebo (n = 22) orally for six weeks. At weeks one to two, participants received 1 β-glucan or placebo capsule/day and at four weeks two tablets/day...
August 11, 2016: Journal of Dietary Supplements
Cuizhe Wang, Xiaodan Ha, Wei Li, Peng Xu, Yajuan Gu, Tingting Wang, Yan Wang, Jianxin Xie, Jun Zhang
Objective Recent studies have revealed a link between toll-like receptors (TLRs), Kruppel-like factors (KLFs), and the adipose tissue inflammation associated with obesity. TLR4 is associated with chronic inflammation in obesity. KLF7 is known to play an important role in the differentiation of adipocytes, but its role in visceral adipose tissue inflammation has not yet been investigated. Thus, the objective of this study was to determine the correlation of TLR4 and KLF7 in inflammation induced by obesity. Methods A total of 32 Wistar male rat subjects were fed in the center for experimental animals of Shihezi University...
October 6, 2016: Inflammation
Celia Bañuls, Susana Rovira-Llopis, Sandra López-Doménech, Silvia Veses, Víctor M Víctor, Milagros Rocha, Antonio Hernández-Mijares
This study assessed the effects of an inositol-enriched beverage (IEB) on blood glucose levels and inflammation status in subjects with an impaired fasting glucose (IFG) state according to body mass index (BMI). This was a 12 week, double-blind, randomized, controlled trial employing forty-four IFG subjects (fasting glucose levels 100-125 mg dl(-1)) that were divided into two intervention groups: one receiving a IEB (n = 24) containing mainly pinitol (2.0 g twice a day), and the other a sweetened beverage based on sucrose (SB; n = 20)...
October 12, 2016: Food & Function
L Y Gui, Y L Hu, Z L Hou, P Wang
To investigate the expression of tumor necrosis factor-alpha inducible protein 9 (TNFAIP9) gene in obese children and its clinical significance, 36 simple obese children and 17 non-obese children were recruited as research subjects. The adipose tissue was obtained by abdominal operation. The expression of TNFAIP9 was detected using real-time fluorescence quantitative polymerase chain reaction and western blot. The relationship between the expression of TNFAIP9 and blood lipid, blood glucose, and obesity indexes was analyzed...
August 19, 2016: Genetics and Molecular Research: GMR
Lifang Ye, Shu Liang, Chao Guo, Xizhong Yu, Juan Zhao, Hao Zhang, Wenbin Shang
AIMS: Insulin resistance is associated with a chronic inflammation in adipose tissue which is propagated by a phenotypic switch in adipose tissue macrophage (ATM) polarization. This study aimed to investigate whether berberine, the major alkaloid of rhizoma coptidis, can improve insulin resistance through inhibiting ATM activation and inflammatory response in adipose tissue. MAIN METHODS: High-fat-diet induced obese mice were administered oral with berberine (50mg/kg/day) for 14days...
October 1, 2016: Life Sciences
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