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https://www.readbyqxmd.com/read/28806763/genome-wide-regulation-of-electro-acupuncture-on-the-neural-stat5-loss-induced-obese-mice
#1
Shu-Ping Fu, Hao Hong, Sheng-Feng Lu, Chen-Jun Hu, Hou-Xi Xu, Qian Li, Mei-Ling Yu, Chen Ou, Jian-Zhong Meng, Tian-Lin Wang, Lothar Hennighausen, Bing-Mei Zhu
Acupuncture is reported to be effective in treating obesity related illnesses, but its mechanism is still unclear. To investigate this mechanism we applied electro-acupuncture (EA) in a mouse model of obesity and used RNA-seq to identify molecular consequences. Deletion of the transcription factor STAT5 from neurons (Stat5NKO) led to obesity. Acupuncture, in turn, reduced body weight and the ratio of epididymal white adipose tissue (Epi-WAT) to body weight, and it also decreased plasma concentrations of glucose, triglyceride, and cholesterol...
2017: PloS One
https://www.readbyqxmd.com/read/28805979/effects-of-mtor-inhibition-on-cardiac-and-adipose-tissue-pathology-and-glucose-metabolism-in-rats-with-metabolic-syndrome
#2
Ayako Uchinaka, Mamoru Yoneda, Yuichiro Yamada, Toyoaki Murohara, Kohzo Nagata
The mammalian target of rapamycin (mTOR) is a regulator of metabolism and is implicated in pathological conditions such as obesity and diabetes. We aimed to investigate the role of mTOR in obesity. A new animal model of metabolic syndrome (MetS), named DahlS.Z-Lepr(fa) /Lepr(fa) (DS/obese) rats was established previously in our laboratory. In this study, we used this model to evaluate the effects of mTOR inhibition on cardiac and adipose tissue pathology and glucose metabolism. DS/obese rats were treated with the mTOR inhibitor, everolimus, (0...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28805446/epigallocatechin-gallate-as-an-anti-obesity-therapeutic-compound-an-in-silico-approach-for-structure-based-drug-designing
#3
Muhammad Shahid Javaid, Noreen Latief, Bushra Ijaz, Usman Ali Ashfaq
Epigallocatechin gallate is a polyphenol of tea plants. Other than tea its trace amounts are found in apple skin, onions and plums. It has anti-adipogenic and anti-oxidant potential. It was investigated that epigallocatechin gallate stopped the adipogenic differentiation of mice mesenchymal stem cells but its underlying mechanism is not well understood. Different proteins and transcription factors responsible for differentiation of adipocytes could be its targets. This study was designed to determine the potential target of epigallocatechin gallate in human...
August 14, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28804438/green-tea-extract-induces-genes-related-to-browning-of-white-adipose-tissue-and-limits-weight-gain-in-high-energy-diet-fed-rat
#4
Li-Han Chen, Yi-Wen Chien, Chung-Tiang Liang, Ching-Hung Chan, Meng-Han Fan, Hui-Yu Huang
Background: A wealth of research has reported on the anti-obesity effects of green tea extract (GTE). Although browning of white adipose tissue (WAT) has been reported to attenuate obesity, no study has disclosed the effects of GTE on browning in Sprague Dawley rats. Objectives: The aims of the study were to investigate the effects of GTE on anti-obesity and browning, and their underlying mechanisms. Methods: Four groups of rats (n=10/group) were used including a normal diet with vehicle treatment, and a high-energy diet (HED) with vehicle or GTE by oral gavage at 77...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28803985/mir-199a-3p-affects-adipocytes-differentiation-and-fatty-acid-composition-through-targeting-scd
#5
Zhendong Tan, Jingjing Du, Linyuan Shen, Chendong Liu, Jideng Ma, Lin Bai, Yanzhi Jiang, Guoqing Tang, Mingzhou Li, Xuewei Li, Shunhua Zhang, Li Zhu
Body fat mass is closely associated to diseases related to obesity. MicroRNAs (miRNAs, miR) are important regulatory molecules that function as post-transcriptional gene regulators of adipocyte development. In the current study, we revealed that reduced expression of miR-199a-3p in adipose tissue resulting from high fat diet (HFD)-induced obesity in mice. Overexpression of miR-199a-3p promoted adipocyte proliferation by regulating the expression of regulating factors of the cell cycle. Furthermore, miR-199a-3p blunted lipid accumulation in 3T3-L1 adipocytes...
August 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28801960/mri-characterization-of-brown-adipose-tissue-under-thermal-challenges-in-normal-weight-overweight-and-obese-young-men
#6
Jie Deng, Lisa M Neff, Nicholas C Rubert, Bin Zhang, Richard M Shore, Jonathan D Samet, Paige C Nelson, Lewis Landsberg
PURPOSE: To implement quantitative Dixon magnetic resonance imaging (MRI) methods for brown adipose tissue (BAT) characterization at inactive and cold-activated states in normal weight, overweight, and obese subjects. The hypotheses are that MRI characteristics of BAT would differentiate between nonobese and obese subjects, and activation of BAT in response to thermal challenges that are detected by MRI would be correlated with BAT activity measured by positron emission tomography / computed tomography (PET/CT)...
August 11, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28801262/the-physiological-and-pathophysiological-roles-of-taurine-in-adipose-tissue-in-relation-to-obesity
#7
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/28801239/salsalate-activates-skeletal-muscle-thermogenesis-and-protects-mice-from-high-fat-diet-induced-metabolic-dysfunction
#8
Li Nie, Xin-Lu Yuan, Ke-Tao Jiang, Yu-Hui Jiang, Jin Yuan, Lan Luo, Shi-Wei Cui, Cheng Sun
Salsalate plays beneficial roles for ameliorating hyperglycemia and dyslipidemia in type 2 diabetes patients, but the underlying mechanisms are still poorly understood. In this study, by administering salsalate to mice fed with high fat diet and examining how salsalate rectifies metabolic dysfunction in these obese mice, we found that salsalate stimulated body temperature and attenuated body weight gain without affecting food intake. Our results showed that salsalate application decreased lipid accumulation in liver and epididymal white adipose tissue (eWAT), inhibited hepatic gluconeogenesis and improved insulin signaling transduction in eWAT...
August 4, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28801180/obesity-as-predictor-of-postoperative-outcomes-in-liver-transplant-candidates-review-of-the-literature-and-future-perspectives
#9
REVIEW
Michele Barone, Maria Teresa Viggiani, Alfonso W Avolio, Andrea Iannone, Maria Rendina, Alfredo Di Leo
BACKGROUND: Current American and European guidelines consider a pre-transplant BMI ≥40kg/m(2) as a relative contraindication for liver transplantation but this recommendation is graded as uncertain and requires further research. Moreover, conflicting results are reported on the predictive value of BMI 30-39.9kg/m(2) on post-transplant complication and mortality risk. AIM: This study analyzed the data of the literature on the effect of all three BMI classes of obesity on postoperative outcomes in liver transplantation...
July 22, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28801068/lepr-polymorphism-may-affect-energy-balance-during-weight-loss-among-brazilians-obese-adolescents
#10
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/28800775/lack-of-high-bmi-related-features-in-adipocytes-and-inflammatory-cells-in-the-infrapatellar-fat-pad-ifp
#11
Anja J de Jong, Inge R Klein-Wieringa, Stefan N Andersen, Joanneke C Kwekkeboom, Linda Herb-van Toorn, Badelog J E de Lange-Brokaar, Danny van Delft, John Garcia, Wu Wei, Huub J L van der Heide, Yvonne M Bastiaansen-Jenniskens, Gerjo J V M van Osch, Annemarie M Zuurmond, Vedrana Stojanovic-Susulic, Rob G H H Nelissen, René E M Toes, Margreet Kloppenburg, Andreea Ioan-Facsinay
BACKGROUND: Obesity is associated with the development and progression of osteoarthritis (OA). Although the infrapatellar fat pad (IFP) could be involved in this association, due to its intracapsular localization in the knee joint, there is currently little known about the effect of obesity on the IFP. Therefore, we investigated cellular and molecular body mass index (BMI)-related features in the IFP of OA patients. METHODS: Patients with knee OA (N = 155, 68% women, mean age 65 years, mean (SD) BMI 29...
August 11, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28800407/human-brown-adipose-tissue-function-and-therapeutic-potential-in-metabolic-disease
#12
REVIEW
Padmanabh Shrikant Bhatt, Waljit S Dhillo, Victoria Salem
There has been a resurgence of interest in brown adipose tissue (BAT) over the last decade. Key to this has been our ability to accurately image it, which has improved significantly. The role of BAT in regulating energy expenditure is important, and its pharmacological manipulation may hold therapeutic potential in metabolic disease. There is ample evidence of BAT activation by cold exposure, and pharmacological utilisation of similar pathways, using B3 receptor agonists holds promise since the development of selective agonists with limited cross-reactivity has rekindled interest...
August 8, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28799896/neurosecretory-protein-gl-stimulates-food-intake-de-novo-lipogenesis-and-onset-of-obesity
#13
Eiko Iwakoshi-Ukena, Kenshiro Shikano, Kunihiro Kondo, Shusuke Taniuchi, Megumi Furumitsu, Yuta Ochi, Tsutomu Sasaki, Shiki Okamoto, George E Bentley, Lance J Kriegsfeld, Yasuhiko Minokoshi, Kazuyoshi Ukena
Mechanisms underlying the central regulation of food intake and fat accumulation are not fully understood. We found that neurosecretory protein GL (NPGL), a newly-identified neuropeptide, increased food intake and white adipose tissue (WAT) in rats. NPGL-precursor gene overexpression in the hypothalamus caused increases in food intake, WAT, body mass, and circulating insulin when fed a high calorie diet. Intracerebroventricular administration of NPGL induced de novo lipogenesis in WAT, increased insulin, and it selectively induced carbohydrate intake...
August 11, 2017: ELife
https://www.readbyqxmd.com/read/28799667/coadministration-of-isomalto-oligosaccharides-augments-metabolic-health-benefits-of-cinnamaldehyde-in-high-fat-diet-fed-mice
#14
Dhirendra Pratap Singh, Pragyanshu Khare, Vandana Bijalwan, Ritesh Kumar Baboota, Jagdeep Singh, Kanthi Kiran Kondepudi, Kanwaljit Chopra, Mahendra Bishnoi
Bacteriostatic properties of a potential anti-obesity agent cinnamaldehyde (CMN) may present untoward effects on the resident gut microbiota. Here, we evaluated whether the combination of Isomalto-oligosaccharides (IMOs) with CMN prevents unwanted effects of CMN on gut microbiota and associated metabolic outcomes in HFD-fed mice. Male Swiss albino mice divided into four groups (n = 10), were fed on normal chow, or HFD (58% fat kcal), HFD + CMN (10 mg kg(-1) ) and HFD + CMN (10 mg kg(-1) ) + IMOs (1 g kg(-1) ) for 12 weeks...
August 11, 2017: BioFactors
https://www.readbyqxmd.com/read/28799554/adapting-to-obesity-with-adipose-tissue-inflammation
#15
REVIEW
Shannon M Reilly, Alan R Saltiel
Adipose tissue not only has an important role in the storage of excess nutrients but also senses nutrient status and regulates energy mobilization. An overall positive energy balance is associated with overnutrition and leads to excessive accumulation of fat in adipocytes. These cells respond by initiating an inflammatory response that, although maladaptive in the long run, might initially be a physiological response to the stresses obesity places on adipose tissue. In this Review, we characterize adipose tissue inflammation and review the current knowledge of what triggers obesity-associated inflammation in adipose tissue...
August 11, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28798202/aerobic-exercise-elevates-markers-of-angiogenesis-and-macrophage-il6-gene-expression-in-the-subcutaneous-adipose-tissue-of-overweight-to-obese-adults
#16
Douglas W Van Pelt, Lisa M Guth, Jeffrey F Horowitz
Alterations in the inflammatory state, metabolic function, and structure of subcutaneous adipose tissue (SAT) can impact the development of insulin resistance in obesity. Exercise can improve metabolic health in obesity, but the effects of exercise on SAT are not well known. The purpose of this study was to examine the effects of acute exercise and habitual exercise training on mRNA expression of markers of lipid metabolism, inflammation, fibrosis, and hypoxia/angiogenesis in SAT, as well as adipocyte cell size...
August 10, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28798193/the-role-of-vascular-endothelial-growth-factor-b-in-metabolic-homeostasis-current-evidence
#17
Mohammad Ishraq Zafar, Juan Zheng, Wen Kong, Xiaofeng Ye, Luoning Gou, Anita Regmi, Lu-Lu Chen
It has been shown that adipose tissue and skeletal muscles of lean individuals respond to meal-induced hyperinsulinemia by increases in perfusion, the effect not observed in patients with metabolic syndrome. In conditions of hyperglycaemia and hypertriglyceridemia, this insufficient vascularization leads to the liberation of reactive oxygen species, and disruption of nitric oxide synthesis and endothelial signalling responsible for the uptake of circulating fatty acids, whose accumulation in skeletal muscles and adipose tissue is widely associated with impairment of insulin signalling...
August 10, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28798136/adipose-tissue-metabolic-and-inflammatory-responses-to-stroke-are-altered-in-obese-mice
#18
Michael J Haley, Graham Mullard, Katherine A Hollywood, Garth J Cooper, Warwick B Dunn, Catherine B Lawrence
Obesity is an independent risk factor for stroke, though several clinical studies have reported that obesity improves stroke outcome. Obesity is hypothesised to aid recovery by protecting against post-stroke catabolism. We therefore assessed whether obese mice had an altered metabolic and inflammatory response to stroke. Obese ob/ob mice underwent 20 min middle cerebral artery occlusion and 24 h reperfusion. Lipid metabolism and expression of inflammatory cytokines were assessed in the plasma, liver and adipose tissue...
August 10, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28797888/the-weighty-issue-of-obesity-in-paediatric-respiratory-medicine
#19
REVIEW
Dominic A Fitzgerald
Some have observed that developed world is fat and getting fatter. This is even extending into the developing world, and it is important to appreciate that the consequences of childhood obesity last into adulthood and are associated with premature death. From the paediatric respiratory perspective, the deposition of excess adipose tissue in the thoraco-abdominal region begins early in life and is believed to alter diaphragm mobility and chest wall expansion, reduce lung compliance, and result in a rapid shallow breathing pattern with an increased work of breathing and reduction in maximum ventilatory capacity...
June 11, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28797248/the-role-of-bariatric-surgery-to-treat-diabetes-current-challenges-and-perspectives
#20
REVIEW
Chrysi Koliaki, Stavros Liatis, Carel W le Roux, Alexander Kokkinos
Bariatric surgery is emerging as a powerful weapon against severe obesity and type 2 diabetes mellitus (T2DM). Given its role in metabolic regulation, the gastrointestinal tract constitutes a meaningful target to treat T2DM, especially in light of accumulating evidence that surgery with gastrointestinal manipulations may result in T2DM remission (metabolic surgery). The major mechanisms mediating the weight loss-independent effects of bariatric surgery comprise effects on tissue-specific insulin sensitivity, β-cell function and incretin responses, changes in bile acid composition and flow, modifications of gut microbiota, intestinal glucose metabolism and increased brown adipose tissue metabolic activity...
August 10, 2017: BMC Endocrine Disorders
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