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https://www.readbyqxmd.com/read/29772234/effects-of-n-3pufas-on-autophagy-and-inflammation-of-hypothalamus-and-body-weight-in-mice
#1
Xin Fang, Keli Ge, Chao Song, Yin Lin-Ge, Jin Yu-Zhang
OBJECTIVE: Fat-1 transgenic mice were used as a model to study the effect of endogenous n-3 polyunsaturated fatty acids (n-3PUFAs) on the body weight, inflammatory factors and autophagy proteins in hypothalamus to explore the mechanism of n-3PUFAs inhibiting obesity. METHOD: The mice were divided into two groups after genotype identification: fat-1 transgenic mice and wild-type mice. The body weight and body length of mice were measured at 14th week, and calculated the Lee 's index...
May 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29771924/obesity-and-response-to-anti-tumor-necrosis-factor-%C3%AE-agents-in-patients-with-select-immune-mediated-inflammatory-diseases-a-systematic-review-and-meta-analysis
#2
Siddharth Singh, Antonio Facciorusso, Abha G Singh, Niels Vande Casteele, Amir Zarrinpar, Larry J Prokop, Eduardo L Grunvald, Jeffrey R Curtis, William J Sandborn
OBJECTIVES: We sought to evaluate the association between obesity and response to anti-tumor necrosis factor-α (TNF) agents, through a systematic review and meta-analysis. METHODS: Through a systematic search through January 24, 2017, we identified randomized controlled trials (RCTs) or observational studies in adults with select immune-mediated inflammatory diseases-inflammatory bowel diseases (IBD), rheumatoid arthritis (RA), spondyloarthropathies (SpA), psoriasis and psoriatic arthritis (PsA)-treated with anti-TNF agents, and reporting outcomes, stratified by body mass index (BMI) categories or weight...
2018: PloS One
https://www.readbyqxmd.com/read/29765402/tlr4-nf-%C3%AE%C2%BA-b-signal-involved-in-depressive-like-behaviors-and-cytokine-expression-of-frontal-cortex-and-hippocampus-in-stressed-c57bl-6-and-ob-ob-mice
#3
Yihe Wang, Jingjing Xu, Yuan Liu, Ziyang Li, Xiaohong Li
Studies found that elevated levels of cytokines such as interleukin- (IL-) 1 β , IL-6, and tumor necrosis factor- α (TNF- α ) are closely associated with the pathogenesis of depression. Obesity providing a low-grade inflammation state was proposed to be implicated in susceptibility to depression in obesity. However, the alterations of cytokines and the TLR4-NF- κ B signal in the brain of normal-weight and obese mice under stress have not been fully elucidated. This study used chronic unpredictable mild stress (CUMS) to induce a depressive-like behavior in an animal model and examine depressive-like behaviors, memory changes, and serum corticosterone levels, as well as the expressions of cytokines and NF- κ B in the frontal cortex and hippocampus...
2018: Neural Plasticity
https://www.readbyqxmd.com/read/29765169/m1-m2-macrophage-polarization-in-human-obese-adipose-tissue
#4
Jaroslava Chylikova, Jana Dvorackova, Zdenek Tauber, Vojtech Kamarad
Obesity and insulin resistance are closely associated with chronic inflammation in adipose tissue, where macrophages play an important role. Adipose tissue macrophages can be divided into two main phenotypes: the classical M1 macrophages and alternatively activated macrophages M2. M1 macrophages produce pro-inflammatory cytokines (TNF-α, interleukin IL-6 and MCP-1) and thus contribute to the development of insulin resistance. On the other hand, M2 macrophages, anti-inflammatory, are involved in the maintenance of tissue homeostasis and are typical in the adipose tissue of slender individuals...
May 16, 2018: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/29763839/salivary-fingerprint-of-simple-obesity
#5
Anna Lehmann-Kalata, Izabela Miechowicz, Katarzyna Korybalska, Ewelina Swora-Cwynar, Natasza Czepulis, Joanna Łuczak, Zofia Orzechowska, Marian Grzymisławski, Anna Surdacka, Janusz Witowski
BACKGROUND: The nature of a link between poor oral health and obesity is not fully understood. It is also unclear if saliva contributes to it and whether the properties of saliva change as a result of an increase in body mass or rather as a consequence of obesity-associated comorbidities. This pilot study was undertaken in an attempt to determine if salivary biomarkers can identify obesity per se. METHODS: Whole mixed saliva was analysed for 16 soluble parameters covering 4 categories (inflammation, oxidative stress, endothelial dysfunction, adipokines)...
May 11, 2018: Cytokine
https://www.readbyqxmd.com/read/29762854/the-influence-of-palatable-high-energy-diet-in-diet-induced-obesity-pregnant-rats-on-offspring-oxidative-stress-in-liver
#6
J-T Jiang, Y-J Jiang
OBJECTIVE: We established an animal model of diet-induced obesity pregnant rats and their offsprings, and explored the effect of high-energy feeding on oxidative stress in filial rat liver, as well as the underlying mechanism. MATERIALS AND METHODS: Pregnant female Sprague-Dawley (SD) rats were randomly assigned into two groups: control group and palatable high-energy diet (PHED) group. Liver tissues were obtained 12 days after offspring rats were born for further study...
April 2018: European Review for Medical and Pharmacological Sciences
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
#7
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/29760351/leptin-aggravates-reflux-esophagitis-by-increasing-tissue-levels-of-macrophage-migration-inhibitory-factor-in-rats
#8
Tsugihiro Murata, Kiyotaka Asanuma, Nobuyuki Ara, Katsunori Iijima, Waku Hatta, Shin Hamada, Naoki Asano, Tomoyuki Koike, Akira Imatani, Atsushi Masamune, Tooru Shimosegawa
Leptin, produced primarily by the adipose tissue, acts as a pro-inflammatory modulator, thereby contributing to the development of obesity-related disease. Although high levels of leptin in the obese are closely related to gastroesophageal reflux disease, the mechanism by which leptin influences esophageal inflammation remains unknown. Macrophage migration inhibitory factor (MIF) is produced by immune cells, such as T lymphocytes and macrophages, and MIF is known to induce the production of tumor necrosis factor α (TNF-α), interleukin 1β (IL-1β) and interleukin 6 (IL-6)...
2018: Tohoku Journal of Experimental Medicine
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
#9
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/29753732/niacin-action-in-the-atherogenic-mixed-dyslipidemia-of-metabolic-syndrome-insights-from-metabolic-biomarker-profiling-and-network-analysis
#10
Martin Adiels, M John Chapman, Paul Robillard, Michel Krempf, Martine Laville, Jan Borén
BACKGROUND: Niacin as an adjunct to statin treatment to reduce cardiovascular risk is questioned. OBJECTIVE: To evaluate interrelationships between the effects of niacin on mixed dyslipidemia and a spectrum of metabolic and inflammatory biomarkers. METHODS: Obese, nondiabetic, hypertriglyceridemic males (n = 19) with low high-density lipoprotein-cholesterol levels received extended-release nicotinic acid for 8 weeks. Multiple biomarkers were measured using enzyme-linked immunosorbent assay, enzymatic/absorptiometric, or multiplex biochip assays...
March 29, 2018: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29753311/peritoneal-and-systemic-responses-of-obese-type-ii-diabetic-rats-to-chronic-exposure-to-a-hyperbranched-polyglycerol-based-dialysis-solution
#11
Bo La Han, Qiunong Guan, Irina Chafeeva, Asher A Mendelson, Gerald da Roza, Richard Liggins, Jayachandran N Kizhakkedathu, Caigan Du
Metabolic syndrome (MetS) is commonly observed among peritoneal dialysis (PD) patients, and hyperbranched polyglycerol (HPG) is a promising glucose-sparing osmotic agent for PD. However, the biocompatibility of a HPG-based PD solution (HPG) in subjects with MetS has not been investigated. This study compared the local and systemic effects of a HPG solution with conventional Physioneal (PYS) and Icodextrin (ICO) PD solutions in rats with MetS. Obese type 2 diabetic ZSF1 rats received a daily intraperitoneal injection of PD solutions (10 mL) for 3 months...
May 12, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29748636/obesity-hampers-effects-of-anti-tnf-agents
#12
Sarah Onuora
No abstract text is available yet for this article.
May 10, 2018: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/29744684/biochemical-markers-of-cardiac-dysfunction-in-children-with-obstructive-sleep-apnoea-osa
#13
Daniel Hirsch, Carla A Evans, Melanie Wong, Rita Machaalani, Karen A Waters
OBJECTIVES: We explored relationships between biochemical markers and cardiac responses of children with and without obstructive sleep apnoea (OSA) during exercise. We hypothesised that serum markers of sympathetic nervous system activity and low-grade inflammation would correlate with cardiac responses to exercise in children with or without OSA. METHODOLOGY: The study included 40 of 71 children with previously characterised responses to cardiopulmonary exercise testing...
May 9, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29744298/the-involvement-of-4-1bb-4-1bbl-signaling-in-glial-cell-mediated-hypothalamic-inflammation-in-obesity
#14
Jiye Kim, Yoon-Hee Kwon, Chu-Sook Kim, Thai H Tu, Byung-Sam Kim, Yeonsoo Joe, Hun T Chung, Tsuyoshi Goto, Teruo Kawada, Taesun Park, Myung-Sook Choi, Min-Seon Kim, Rina Yu
Obesity-induced inflammation occurs not only in peripheral tissues but also in areas of the central nervous system. Glial cells such as astrocytes and microglia play crucial roles in obesity-related hypothalamic inflammation, leading to the derangement of energy metabolism and neurodegenerative pathologies. Here, we show that the interaction of 4-1BB/4-1BBL between lipid-laden astrocytes/microglia promotes hypothalamic inflammation in obesity. Stimulation of 4-1BB, a member of the TNF receptor superfamily, and/or its ligand 4-1BBL on astrocytes and/or microglia with a specific agonist resulted in activation of the inflammatory signaling pathway and enhanced production of inflammatory mediators...
May 2018: FEBS Open Bio
https://www.readbyqxmd.com/read/29734116/polyphenol-rich-green-tea-extract-improves-adipose-tissue-metabolism-by-down-regulating-mir-335-expression-and-mitigating-insulin-resistance-and-inflammation
#15
Rosemari Otton, Anaysa Paola Bolin, Leticia Torres Ferreira, Marcelo Paradiso Marinovic, Andrea Livia Silva Rocha, Marcelo Alves Mori
Obesity leads to changes in miRNA expression in adipose tissue, and this modulation is linked to the pathophysiology of the disease. Green tea (GT) is a natural source of polyphenols that have been shown to confer health benefits, particularly preventing metabolic diseases. Here, we investigated if the beneficial effects of GT in obesity results from changes in the miRNA profile in white adipose tissue. GT treatment [500 mg/body weight (BW)/12 weeks] increased energy expenditure of high-fat diet-fed mice (16 weeks), leading to reduced weight gain, decreased adiposity, reduced inflammation and improved insulin sensitivity...
April 7, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29731838/analysis-of-changes-in-intestinal-flora-and-intravascular-inflammation-and-coronary-heart-disease-in-obese-patients
#16
Xv Li, Chuantao Li
Changes in intestinal flora in obese patients and intravascular C-reactive protein (CRP), interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) and coronary heart disease (CHD) were analyzed. A total of 75 cases of obese patients were divided into obesity (OB) alone (n=40) and OB with CHD group (n=35). There was no statistically significant difference in age, sex, pre-existing basic diabetes, history of hypertension, and body mass index (P>0.05). Results showed that total bacterial load of CHD was obviously higher than that of OB group...
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29731750/macrophage-lamin-a-c-regulates-inflammation-and-the-development-of-obesity-induced-insulin-resistance
#17
Youngjo Kim, Princess Wendy Bayona, Miri Kim, Jiyeon Chang, Sunmin Hong, Yoona Park, Andrea Budiman, Yong-Jin Kim, Chang Yong Choi, Woo Seok Kim, Jongsoon Lee, Kae Won Cho
Obesity-induced chronic low-grade inflammation, in particular in adipose tissue, contributes to the development of insulin resistance and type 2 diabetes. However, the mechanism by which obesity induces adipose tissue inflammation has not been completely elucidated. Recent studies suggest that alteration of the nuclear lamina is associated with age-associated chronic inflammation in humans and fly. These findings led us to investigate whether the nuclear lamina regulates obesity-mediated chronic inflammation...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29731737/lh-21-a-peripheral-cannabinoid-receptor-1-antagonist-exerts-favorable-metabolic-modulation-including-antihypertensive-effect-in-kkay-mice-by-regulating-inflammatory-cytokines-and-adipokines-on-adipose-tissue
#18
Ziqi Dong, Hui Gong, Yadan Chen, Hong Wu, Jun Wu, Yinghong Deng, Xinmao Song
Patients with obesity are susceptible to hypertension and diabetes. Over-activation of cannabinoid receptor 1 (CB1 R) in adipose tissue is proposed in the pathophysiology of metabolic disorders, which led to the metabolic dysfunction of adipose tissue and deregulated production and secretion of adipokines. In the current study, we determined the impact of LH-21, a representative peripheral CB1 R antagonist, on the obesity-accompanied hypertension and explored the modulatory action of LH-21 on the adipose tissue in genetically obese and diabetic KKAy mice...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29730778/expression-of-genes-associated-with-inflammation-and-iron-metabolism-in-3t3-l1-cells-induced-with-macrophages-conditioned-medium-glucose-and-iron
#19
L Briones, M Andrews, F Pizarro, M Arredondo-Olguín
Obesity is characterized by a chronic inflammatory process, with an increased volume of total adipose tissue, especially visceral, which secretes pro-inflammatory cytokines such as TNF-α and IL-6. Hepcidin (Hpc), a main iron metabolism regulator, is synthetized by an IL-6 stimuli, among others, in liver and adipose tissue, favoring an association between the inflammatory process and iron metabolism. Still there are questions remain regarding the interaction of these factors. Our aim was to study the effect of a macrophage-conditioned medium (MCM) on adipocyte cells challenged with glucose and/or iron...
May 5, 2018: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/29727538/-correlation-of-semen-parameters-with-inflammatory-factors-in-the-seminal-plasma-of-obese-males
#20
Rui-Yu Han, Jing Ma, Jiao-Ying Ma, Xu-Chu Wang, Xin-Tao An, Zi-Dong Zhang, Shu-Song Wang
Objective: To investigate the influence of inflammatory factors on semen parameters in the seminal plasma of obese men. METHODS: Based on the body mass index (BMI), 171 males were divided into a normal group (BMI < 24 kg/m2, n = 59), an overweight group (24 ≤ BMI < 28 kg/m2, n = 54), and an obesity group (BMI =≥ 28 kg/m2, n = 58). The routine semen parameters of the subjects were obtained by computer-assisted semen analysis, the levels of TNF-α, IL-6 and VEGF in the seminal plasma were measured by ELISA, and the correlation of BMI with the above indexes was analyzed...
October 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
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