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TNF-alpha and obesity

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https://www.readbyqxmd.com/read/29790384/is-gestational-diabetes-mellitus-in-obese-women-predicted-by-oxidative-damage-in-red-blood-cells
#1
Guadalupe León-Reyes, Alberto Martín Guzmán-Grenfell, Rafael Medina-Navarro, Araceli Montoya-Estrada, Mario Adán Moreno-Eutimio, Silvia Fuentes-García, Otilia Perichart Perera, Cinthya Muñoz-Manrique, Salvador Espino Y Sosa, Juan José Hicks G, Yessica Dorin Torres-Ramos
Obesity in pregnant women has been associated with an increased risk of maternal complications, including gestational diabetes mellitus (GDM), a process that is related to oxidative stress (OS). To evaluate the biomarkers of OS in red blood cells (RBCs), we assigned 80 pregnant women to one of three groups: control (n = 28), overweight (n = 26) and obese (n = 26). Then, we measured in plasma, the levels of glucose, triacylglycerol (TAG), insulin, free fatty acids (FFAs), leptin and cytokines (e...
May 23, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29760677/one-week-exposure-to-a-free-choice-high-fat-high-sugar-diet-does-not-interfere-with-the-lipopolysaccharide-induced-acute-phase-response-in-the-hypothalamus-of-male-rats
#2
Evita Belegri, Leslie Eggels, Susanne E la Fleur, Anita Boelen
Obesity has been associated with increased susceptibility to infection in humans and rodents. Obesity is also associated with low-grade hypothalamic inflammation that depends not only on body weight but also on diet. In the present study, we investigated if the bacterial endotoxin [lipopolysaccharide (LPS)]-induced acute phase response is aggravated in rats on a 1-week free-choice high-fat high-sugar (fcHFHS) diet and explained by diet-induced hypothalamic inflammation. Male Wistar rats were on an fcHFHS diet or chow for 1 week and afterwards intraperitoneally injected with LPS or saline...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29755407/circulating-and-adipose-tissue-mrna-levels-of-zinc-%C3%AE-2-glycoprotein-leptin-high-molecular-weight-adiponectin-and-tumor-necrosis-factor-alpha-in-colorectal-cancer-patients-with-or-without-obesity
#3
Huijuan Zhu, Meijuan Liu, Nianrong Zhang, Hui Pan, Guole Lin, Naishi Li, Linjie Wang, Hongbo Yang, Kemin Yan, Fengying Gong
Objectives: To explore zinc-α2-glycoprotein (ZAG), leptin, high-molecular-weight adiponectin (HMW-ADPN), and tumor necrosis factor-alpha (TNF-α) levels in serum and subcutaneous and visceral white adipose tissue (sWAT and vWAT) among normal weight (NW) and overweight/obese (OW/OB) patients with colorectal cancer (CRC). Methods: A total of 76 Chinese CRC patients (42 NW + CRC, 34 OW/OB + CRC) and 40 healthy controls were recruited. Serum levels of the adipokines of interest were measured by an enzyme-linked immunosorbent assay method, and their mRNA levels in sWAT and vWAT were determined by reverse transcription quantitative PCR methods...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29708806/ashitaba-angelica-keiskei-exudate-prevents-increases-in-plasminogen-activator-inhibitor-1-induced-by-obesity-in-tsumura-suzuki-obese-diabetic-mice
#4
Mitsuhiro Ohta, Aya Fujinami, Katsutaka Oishi, Norihiro Kobayashi, Katsunori Ohnishi, Naoki Ohkura
Angelica keiskei koidzumi (ashitaba) is consumed as a traditional folk medicine and health food in Japan. Ashitaba extract contains abundant flavonoids containing chalcones. Plasminogen activator inhibitor-1 (PAI-1) is the primary physiological inhibitor of tissue plasminogen activator. Excessive amounts of PAI-1 in plasma disrupt the fibrinolytic balance and promote a prothrombotic state with which thrombosis and cardiovascular diseases are associated. In the present study, we investigated the effects of ashitaba yellow exudate (AE) on enhanced PAI-1 levels in Tsumura Suzuki obese diabetic (TSOD) mice...
April 30, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29604586/inhibitory-effect-of-sinigrin-on-adipocyte-differentiation-in-3t3-l1-cells-involvement-of-ampk-and-mapk-pathways
#5
Hee-Weon Lee, Dong-Kwon Rhee, Byung-Oh Kim, Suhkneung Pyo
Adipocyte differentiation is a critical adaptive response to nutritional overload and affects the metabolic outcome of obesity. Sinigrin (2-propenyl glucosinolate) is a glucosinolate belong to the glucoside contained in broccoli, brussels sprouts, and black mustard seeds. We investigated the effects of sinigrin on adipogenesis in 3T3-L1 preadipocytes and its underlying mechanisms. Sinigrin remarkably inhibited the accumulation of lipid droplets and adipogenesis by downregulating the expression of CCAAT-enhancer-binding protein α (C/EBPα), peroxisome proliferator-activated receptor gamma (PPARγ), leptin and aP2...
March 28, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29589625/long-chain-polyunsaturated-fatty-acids-and-extensively-hydrolyzed-casein-induced-browning-in-a-ucp-1-reporter-mouse-model-of-obesity
#6
Liufeng Mao, Jiwen Lei, Marieke H Schoemaker, Bingxiu Ma, Yan Zhong, Tim T Lambers, Eric A F Van Tol, Yulai Zhou, Tao Nie, Donghai Wu
Browning in adipose tissues, which can be affected by diet, may mitigate the detrimental effects of adiposity and improve longer-term metabolic health. Here, browning-inducing effects of long-chain polyunsaturated fatty acids, e.g., arachidonic acid (ARA)/docosahexaenoic acid (DHA) and extensively hydrolyzed casein (eHC) were investigated in uncoupling protein 1 (Ucp-1) reporter mice. To address the overall functionality, their potential role in supporting a healthy metabolic profile under obesogenic dietary challenges later in life was evaluated...
March 28, 2018: Food & Function
https://www.readbyqxmd.com/read/29580823/gw0742-ppar-beta-agonist-attenuates-hepatic-endoplasmic-reticulum-stress-by-improving-hepatic-energy-metabolism-in-high-fat-diet-fed-mice
#7
Flavia Maria Silva-Veiga, Tamiris Lima Rachid, Letícia de Oliveira, Francielle Graus-Nunes, Carlos Alberto Mandarim-de-Lacerda, Vanessa Souza-Mello
Endoplasmic reticulum (ER) stress and hepatic steatosis are intertwined with insulin resistance. PPARs are at the crossroads of these pathways. This study aimed to investigate the effects of GW0742 (PPAR-beta agonist) on hepatic energy metabolism and ER stress in a murine diet-induced obesity model. HF diet caused overweight, hyperinsulinemia, hepatic inflammation (increased NF-kB, TNF-alpha, and IL-6 protein expression) and favored hepatic lipogenesis, leading to ER stress, with ultrastructural and molecular alterations, ending up in proapoptotic stimulus...
March 23, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29576600/tumor-necrosis-factor-alpha-improves-glucose-homeostasis-in-diabetic-mice-independent-with-tumor-necrosis-factor-receptor-1-and-tumor-necrosis-factor-receptor-2
#8
Shanshan Wu, Kai Dong, Jiajia Wang, Yaxin Bi
Type 2 diabetes is a serious threat to human health all over the world. It is particularly important to look for the pathogenesis of type 2 diabetes. Researchers have found that obesity was associated with a broad chronic inflammatory response and type 2 diabetes. And tumor necrosis factor alpha (TNF-α) is one of the most important cytokines related with obesity. To explore the functional role of TNF-α in the regulation of glucose homeostasis, TNF-α receptor 1 and TNF-α receptor 2 double knockout (TNFR1/R2 DKO) mouse model were used in our study...
March 23, 2018: Endocrine Journal
https://www.readbyqxmd.com/read/29565153/inflammatory-cytokines-and-non-alcoholic-fatty-liver-disease-nafld-in-obese-children-and-adolescents
#9
Silvana Neves Ferraz de Assunção, Ney Christian Amaral Boa Sorte, Crésio De Aragão Dantas Alves, Patrícia S Almeida Mendes, Carlos Roberto Brites Alves, Luciana Rodrigues Silva
INTRODUCTION: Non-alcoholic fatty liver disease is characterized by the intrahepatic deposition of fat. It is the most prevalent liver disease in the world, affecting obese children and adolescents. Its pathophysiology is not fully understood, although it is often related to insulin resistance. This in turn would be due to an inflammatory condition common to obesity. Thus, the objective of this study was to describe the behavior of proinflammatory cytokines in obese children and adolescents, with and without non-alcoholic fatty liver disease...
January 16, 2018: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29549630/from-inflammation-to-sexual-dysfunctions-a-journey-through-diabetes-obesity-and-metabolic-syndrome
#10
REVIEW
M I Maiorino, G Bellastella, D Giugliano, K Esposito
Metabolic diseases are associated with chronic low-grade inflammation, which has been indicated as a potential mediator of endothelial dysfunction and cardiovascular disease. Visceral adiposity is thought to be the starting condition of the inflammatory state through the release of inflammatory cytokines, including TNF-alpha, CRP, and IL-6, which in turn promote endothelial dysfunction, endothelial expression of chemokines (IL-1) and adhesion molecules (ICAM-1, VCAM-1, and P-selectin), and the inhibition of anti-atherogenic factors (adiponectin)...
March 16, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29527418/the-adipokine-c1q-tnf-related-protein-3-ctrp3-is-elevated-in-the-breast-milk-of-obese-mothers
#11
Megan R Kwon, Eileen Cress, W Andrew Clark, Arsham Alamian, Yongke Lu, Jonathan M Peterson
Background: C1q TNF related protein 3 (CTRP3) is a relatively novel hormonal factor primarily derived from adipose tissue and has anti-diabetic properties. To determine if CTRP3 could play a role in early childhood development, the purpose of this study was to establish the presence of CTRP3 in breast milk (BM) and to determine whether CTRP3 levels were correlated with pregravid obesity status of the mother. Methods: Breast milk was collected from breast-feeding mothers who had a pregravid body mass index (BMI) classification of normal weight (BMI 18-25 kg/m2 , n = 23) or obese (BMI > 30 kg/m2 , n = 14)...
2018: PeerJ
https://www.readbyqxmd.com/read/29497960/systemic-inflammation-in-severe-obese-patients-undergoing-surgery-for-obesity-and-weight-related-diseases
#12
Wilson R Freitas, Luis Vicente Franco Oliveira, Eduardo A Perez, Elias J Ilias, Carina P Lottenberg, Anderson S Silva, Jessica J Urbano, Manoel C Oliveira, Rodolfo P Vieira, Marcelo Ribeiro-Alves, Vera L S Alves, Paulo Kassab, Fabio R Thuler, Carlos A Malheiros
BACKGROUND: Obesity is a worldwide disease related to genetic, environmental, and behavioral factors, and it is associated with high rates of morbidity and mortality. Recently, obesity has been characterized by a low-grade inflammatory state known as inflammome indicated by chronic increases in circulating concentrations of inflammatory markers. The purpose of this study was to evaluate the effect of weight loss induced by surgery for obesity and weight-related diseases on pro-inflammatory cytokine (TNF-α) and anti-inflammatory adipokine (adiponectin) levels, and on an adipose-derived hormone (leptin) in severely obese subjects...
March 1, 2018: Obesity Surgery
https://www.readbyqxmd.com/read/29483883/adipsin-concentrations-are-associated-with-back-pain-independently-of-adiposity-in-overweight-or-obese-adults
#13
Sharmayne R E Brady, Aya Mousa, Negar Naderpoor, Maximilian P J de Courten, Flavia Cicuttini, Barbora de Courten
Objective: To compare cardiometabolic risk factors including cytokine and adipokine concentrations between individuals with and without back pain. Methods: In 62 overweight/obese adults (BMI ≥ 25 kg/m2 ; 23F/39M), we collected data on: self-reported back pain; anthropometry [BMI, waist circumference, body composition (dual energy X-ray absorptiometry-DEXA)]; metabolic parameters [fasting glucose; insulin sensitivity (hyperinsulinaemic-euglycaemic clamps)]; cardiovascular parameters (blood pressure, lipids); serum inflammation markers [high-sensitivity C-reactive protein (hsCRP; immunoturbidimetric-assay), tumor necrosis factor- alpha (TNF-α), interleukin (IL)-6, and IL-10 (multiplex-assay)]; and adipokines [leptin, adipsin, resistin, and adiponectin (multiplex-assay)]...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29454302/aerobic-exercise-inhibits-obesity-induced-respiratory-phenotype
#14
Jefferson Comin Jonco Aquino-Junior, BreAnne MacKenzie, Ana Roberta Almeida-Oliveira, Ana Carolina Martins, Manoel Carneiro Oliveira-Junior, Auriléa Aparecida Britto, Fernanda Magalhaes Arantes-Costa, Nilsa Regina Damaceno-Rodrigues, Elia Garcia Caldini, Ana Paula Ligeiro de Oliveira, Dioze Guadagnini, Luiz Osorio Leiria, Djalma Rabelo Ricardo, Mario Jose Abdalla Saad, Rodolfo Paula Vieira
PURPOSE: Obesity results in decreased lung function and increased inflammation. Moderate aerobic exercise (AE) reduced lung inflammation and remodeling in a variety of respiratory disease models. Therefore, this study investigated whether AE can attenuate a diet-induced obesity respiratory phenotype; including airway hyper-responsiveness (AHR), remodeling and inflammation. METHODS: Sixty C57Bl/6 male mice were distributed into four groups: control lean (CL), exercise lean (EL), obese (O) and obese exercise (OE) groups (2 sets of 7 and 8 mice per group; n = 15)...
April 2018: Cytokine
https://www.readbyqxmd.com/read/29444083/high-fat-diet-sensitizes-fibromyalgia-like-pain-behaviors-in-mice-via-tumor-necrosis-factor-alpha
#15
Dan Tian, Miao Tian, Leilei Zhang, Peng Zhao, Yunfeng Cui, Jinlong Li
Fibromyalgia (FM) and obesity are closely related. However, little is known about how obesity contributes to FM. Importantly, adequate evidence has shown that tumor necrosis factor alpha (TNF-α) plays a critical role in obesity. Thus, we hypothesized that obesity-induced TNF-α release may potentiate FM-associated pain. To test this hypothesis, we investigated the role of TNF-α in the development of FM-like pain in a mouse model of acid saline injection-induced FM. Consistent with previous reports, we showed that repeated acid saline injections induced bilateral mechanical hyperalgesia, and this effect lasted for at least 4 days after acid saline injections...
2018: PloS One
https://www.readbyqxmd.com/read/29408743/tumor-necrosis-factor-alpha-versus-lh-and-androstendione-as-a-reliable-predictor-of-spontaneous-ovulation-after-laparoscopic-ovarian-drilling-for-women-with-clomiphene-citrate-resistance-polycystic-ovarian-disease
#16
Emaduldin Seyam, Enas Hefzy
OBJECTIVE: Laparoscopic ovarian drilling (LOD) is still a controversial decision; due to the long term hazards; so short and long term predictors after the procedure should be taken in consideration. The aim of this work was to investigate the role of the serum level of tumor necrosis factor alpha (TNF-α) and other polycystic ovarian disease (PCOD) relevant clinical and biochemical factors as a predictor of spontaneous ovulation after laparoscopic ovarian drilling (LOD) in women with clomiphene citrate resistant polycystic ovarian disease (CCR-PCOD)...
March 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29401141/abdominal-muscle-density-is-inversely-related-to-adiposity-inflammatory-mediators
#17
Rachel B Van Hollebeke, Mary Cushman, Emma F Schlueter, Matthew A Allison
PURPOSE: Skeletal muscle is the largest regulator of glucose metabolism but few population-based studies have examined the associations between muscle and inflammation. We studied the relationships between abdominal muscle area and density with selected adiposity associated inflammatory mediators. METHODS: Nearly 2,000 subjects underwent computed tomography (CT) of the abdomen and had venous fasting blood drawn concomitantly. The CT scans were interrogated for visceral and subcutaneous fat, as well as abdominal lean muscle areas and densities...
February 2, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29388044/mir-145-improves-macrophage-mediated-inflammation-through-targeting-arf6
#18
Rumei Li, Qiwei Shen, Nan Wu, Min He, Naijia Liu, Jinya Huang, Bin Lu, Qiyuan Yao, Yehong Yang, Renming Hu
PURPOSE: To explore the relationship between miR-145 and ADP ribosylation factor 6 (Arf6) in regulating macrophage-mediated inflammation. METHODS: THP-1 cells were induced by 160 nM of phorbol 12- myristate 13-acetate (PMA) for 48 h to differentiate to macrophages and then were treated with LPS (100 ng/ml) for 8 h to simulate chronic metabolic inflammation in vitro. Dual-luciferase reporter assay was performed. MiR-145 siRNA and LV-ARF6-RNAi were used to up or down regulate miR-145 and Arf6 expression in THP-1 cells, respectively...
April 2018: Endocrine
https://www.readbyqxmd.com/read/29373070/lipolysis-stimulating-peptide-from-soybean-protects-against-high-fat-diet-induced-apoptosis-in-skeletal-muscles
#19
Shibu Marthandam Asokan, Tsu-Han Hung, Wen-Dee Chiang, Wan-Teng Lin
Obesity is generally associated with low-grade chronic inflammation that involves the recruitment of macrophages and other inflammation factors to the adipocytes of obese individuals. Tumor necrosis factor-alpha (TNF-α), a cytokine associated with systemic inflammation, is elevated in conditions of obesity. TNF-α is an important factor that plays an important role in skeletal muscle wasting. Apoptosis of myonuclei contributes to the loss of muscle mass and therefore plays an important role in skeletal muscle atrophy...
March 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29371773/the-effects-of-onion-consumption-on-prevention-of-nonalcoholic-fatty-liver-disease
#20
Hadi Emamat, Forough Foroughi, Hassan Eini-Zinab, Azita Hekmatdoost
It is well known that dietary intakes play a pivotal role in pathogenesis of nonalcoholic fatty liver disease (NAFLD)/nonalcoholic steatohepatitis (NASH); however, the role of each component of diet has not yet been elucidated. Our objective was to evaluate the effects of onion 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 7% onion powder (model + onion), or chow diet ad libitum for 7 weeks...
January 2018: Indian Journal of Clinical Biochemistry: IJCB
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