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https://www.readbyqxmd.com/read/28109166/a-novel-dual-amylin-and-calcitonin-receptor-agonist-dacra-kbp-089-induces-weight-loss-through-a-reduction-in-fat-but-not-lean-mass-while-improving-food-preference
#1
Sofie Gydesen, Sara Toftegaard Hjuler, Zenia Freving, Kim Vietz Andreassen, Nina Sonne, Lars I Hellgren, Morten Asser Karsdal, Kim Henriksen
BACKGROUND AND PURPOSE: Obesity and associated co-morbidities, such as type 2 diabetes and non-alcoholic fatty liver disease, are major health challenges - hence, development of weight loss therapies with the ability to reduce the co-morbidities is key. EXPERIMENTAL APPROACH: The effect of the dual amylin and calcitonin receptor agonist (DACRA), KBP-089, on bodyweight, glucose homeostasis, and fatty acid accumulation in liver and muscle tissue, food preference was investigated...
January 21, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28109123/sodium-butyrate-protects-against-high-fat-diet-induced-cardiac-dysfunction-and-metabolic-disorders-in-type-ii-diabetic-mice
#2
Ling Zhang, Jianfeng Du, Naohiro Yano, Hao Wang, Yu Tina Zhao, Dubielecka-Szczerba Patricia, Shougang Zhuang, Eugene Y Chin, Gangjian Qin, Ting C Zhao
Histone deacetylases are recently identified to act as key regulators for cardiac pathophysiology and metabolic disorders. However, the function of histone deacetylase (HDAC) in controlling cardiac performance in type II diabetes and obesity remains unknown. Here we determine whether HDAC inhibition attenuates high fat diet (HFD)-induced cardiac dysfunction and improves metabolic features. Adult mice were fed with either HFD or standard chow food for 24 weeks. Starting at 12 weeks, mice were divided into four groups randomly, in which sodium butyrate (1%), a potent HDAC inhibitor, was provided to chow and HFD-fed mice in drinking water, respectively...
January 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28108679/therapeutic-drug-monitoring-and-use-of-an-adjusted-body-weight-strategy-for-high-dose-voriconazole-therapy
#3
Patrick G Richards, Kimberlyn M Dang, Carol A Kauffman, Kay Lyn Stalker, David Sudekum, Lisa Kerr, Michelle Brinker-Bodley, Beena Cheriyan, Nina West, Curtis D Collins, Shikha Polega, Anurag N Malani
OBJECTIVES: A high-dose 12 mg/kg/day (6 mg/kg twice daily) voriconazole regimen was recommended by the CDC to treat patients injected with contaminated methylprednisolone acetate that caused a multi-state fungal outbreak in 2012-13. Therapeutic drug monitoring results of this unique regimen are unknown, as is the most appropriate dosing weight for obese patients. We evaluated voriconazole trough measurements for this dosing scheme, as well as the use of adjusted body weight dosing for obese patients...
January 20, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28108609/visualization-and-quantification-of-browning-using-a-ucp1-2a-luciferase-knock-in-mouse-model
#4
Liufeng Mao, Baoming Nie, Tao Nie, Xiaoyan Hui, Xuefei Gao, Xiaoliang Lin, Xin Liu, Yong Xu, Xiaofeng Tang, Ran Yuan, Kuai Li, Peng Li, Ke Ding, Yu Wang, Aimin Xu, Jian Fei, Weiping Han, Pentao Liu, Lise Madsen, Karsten Kristiansen, Zhiguang Zhou, Sheng Ding, Donghai Wu
Both mammals and adult humans possess classic brown adipocytes and beige adipocytes, and the amount and activity of these adipocytes are considered key factors in combating obesity and its associated metabolic diseases. Uncoupling protein 1 (Ucp1) is the functional marker of both brown and beige adipocytes. To facilitate a reliable, easy, and sensitive measurement of Ucp1 expression both in vivo and in vitro, we generated a Ucp1-2A-luciferase knock-in mouse by deleting the stop codon for the mouse Ucp1 gene and replacing it with a 2A peptide...
February 2017: Diabetes
https://www.readbyqxmd.com/read/28108608/macrophage-proliferation-sustains-adipose-tissue-inflammation-in-formerly-obese-mice
#5
Brian F Zamarron, Taleen A Mergian, Kae Won Cho, Gabriel Martinez-Santibanez, Danny Luan, Kanakadurga Singer, Jennifer L DelProposto, Lynn M Geletka, Lindsey A Muir, Carey N Lumeng
Obesity causes dramatic proinflammatory changes in the adipose tissue immune environment, but relatively little is known regarding how this inflammation responds to weight loss (WL). To understand the mechanisms by which meta-inflammation resolves during WL, we examined adipose tissue leukocytes in mice after withdrawal of a high-fat diet. After 8 weeks of WL, mice achieved similar weights and glucose tolerance values as age-matched lean controls but showed abnormal insulin tolerance. Despite fat mass normalization, total and CD11c(+) adipose tissue macrophage (ATM) content remained elevated in WL mice for up to 6 months and was associated with persistent fibrosis in adipose tissue...
February 2017: Diabetes
https://www.readbyqxmd.com/read/28108607/insulin-like-growth-factor-binding-protein-1-could-improve-glucose-regulation-and-insulin-sensitivity-through-its-rgd-domain
#6
Natalie J Haywood, Paul A Cordell, Kar Yeun Tang, Natallia Makova, Nadira Y Yuldasheva, Helen Imrie, Hema Viswambharan, Alexander F Bruns, Richard M Cubbon, Mark T Kearney, Stephen B Wheatcroft
Low circulating levels of insulin-like growth factor binding protein 1 (IGFBP-1) are associated with insulin resistance and predict the development of type 2 diabetes. IGFBP-1 can affect cellular functions independently of IGF binding through an Arg-Gly-Asp (RGD) integrin-binding motif. Whether causal mechanisms underlie the favorable association of high IGFBP-1 levels with insulin sensitivity and whether these could be exploited therapeutically remain unexplored. We used recombinant IGFBP-1 and a synthetic RGD-containing hexapeptide in complementary in vitro signaling assays and in vivo metabolic profiling in obese mice to investigate the effects of IGFBP-1 and its RGD domain on insulin sensitivity, insulin secretion, and whole-body glucose regulation...
February 2017: Diabetes
https://www.readbyqxmd.com/read/28108592/social-class-variation-the-effect-of-the-economic-recession-and-childhood-obesity-at-3-years-of-age-in-ireland
#7
Samira Barbara Jabakhanji, Milena Pavlova, Wim Groot, Fiona Boland, Regien Biesma
BACKGROUND: Many studies have reported a social class gradient within overweight prevalence (1-4). Additionally, cross-country comparisons report high overweight trends and a change in food consumption patterns in countries affected by an economic crisis (5-11). The aim of this study was to assess the association between social class and recession on obesity levels in 3-year-old Irish children. METHODS: The population-based infant cohort of the national Growing Up in Ireland (GUI) study was used...
January 19, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28108421/tlr4-knockout-attenuated-high-fat-diet-induced-cardiac-dysfunction-via-nf-%C3%AE%C2%BAb-jnk-dependent-activation-of-autophagy
#8
Nan Hu, Yingmei Zhang
Obesity is commonly associated with a low grade systematic inflammation, which may contribute to the onset and development of myocardial remodeling and contractile dysfunction. Toll-like receptor 4 (TLR4) plays an important role in innate immunity and inflammation although its role in high fat diet-induced obesity cardiac dysfunction remains elusive. This study was designed to examine the effect of TLR4 ablation on high fat diet intake-induced cardiac anomalies, if any, and underlying mechanism(s) involved...
January 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28108376/emodin-a-compound-with-putative-antidiabetic-potential-deteriorates-glucose-tolerance-in-rodents
#9
Sameer Abu Eid, Michael Adams, Thomas Scherer, Héctor Torres-Gómez, Martina Theresa Hackl, Mairam Kaplanian, Rainer Riedl, Anton Luger, Clemens Fürnsinn
Emodin is found in remedies from Traditional Chinese Medicine. Since antihyperglycaemic action was observed in rodents, non-scientific sources advertise emodin intake as a natural cure for diabetes. Emodin was admixed to high fat-food of obese mice at two doses (2 and 5g/kg; daily emodin uptake 103 and 229mg/kg). Comparison was made to ad libitum fed and to food restricted control groups, the latter showing the same weight gain as the corresponding emodin-treated groups. Emodin blunted food intake by 6% and 20% for the low and high dose, which was accompanied by proportionate reductions in weight gain...
January 17, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28108344/reward-sensitivity-and-body-weight-the-intervening-role-of-food-responsive-behavior-and-external-eating
#10
Laura Vandeweghe, Sandra Verbeken, Leentje Vervoort, Ellen Moens, Caroline Braet
BACKGROUND: During the last three decades, the prevalence of childhood overweight and obesity has increased worldwide. It is well established that different child-related factors such as food approach behaviors (i.e. eating behaviors that imply movements towards food) contribute to the development of overweight. However, research is lacking on the underlying mechanisms leading to food approach behaviors, which in turn lead to overweight. SUBJECT/METHODS: Via parent-report questionnaires, we investigated the relation between the personality trait reward sensitivity and body weight in a convenience sample of 211 children aged 2...
January 17, 2017: Appetite
https://www.readbyqxmd.com/read/28108292/reversal-of-high-fat-diet-induced-obesity-improves-glucose-tolerance-inflammatory-response-%C3%AE-amyloid-accumulation-and-cognitive-decline-in-the-app-psen1-mouse-model-of-alzheimer-s-disease
#11
J M Walker, S Dixit, A C Saulsberry, J M May, F E Harrison
This study assessed the extent to which high fat diet (HFD)-induced β-amyloid accumulation and cognitive decline in APP/PSEN1 mice are reversible through control of fat intake. Ten months of HFD (60% calories from fat) led to significant deficits in a 2-trial Y maze task, and nest building assay, and decreased voluntary locomotor activity. The HFD induced an inflammatory response, indicated by increased expression of several inflammatory markers. Substituting a low fat diet led to pronounced weight loss and correction of glucose intolerance, decreases in the inflammatory response, and improved performance on behavioral tasks in both wild-type and APP/PSEN1 transgenic mice...
January 17, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28108259/appls-more-than-just-adiponectin-receptor-binding-proteins
#12
REVIEW
Zhuoying Liu, Ting Xiao, Xiaoyu Peng, Guangdi Li, Fang Hu
APPLs (adaptor proteins containing the pleckstrin homology domain, phosphotyrosine binding domain and leucine zipper motif) are multifunctional adaptor proteins that bind to various membrane receptors, nuclear factors and signaling proteins to regulate many biological activities and processes, such as cell proliferation, chromatin remodeling, endosomal trafficking, cell survival, cell metabolism and apoptosis. APPL1, one of the APPL isoforms, was the first identified protein and interacts directly with adiponectin receptors to mediate adiponectin signaling to enhance lipid oxidation and glucose uptake...
January 17, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28108225/female-schizophrenia-patients-and-risk-of-breast-cancer-a-population-based-cohort-study
#13
Ana Isabel Wu Chou, Yu-Chiao Wang, Cheng-Li Lin, Chia-Hung Kao
OBJECTIVE: Breast cancer is the most common type of cancer in women. This population-based cohort study aimed to examine the association between breast cancer in female schizophrenia patients and its association with the use of antipsychotics drugs. METHODS: All study subjects were selected from the Taiwan Insurance Claims Data (1998-2008). We compared the risk for breast cancer between female schizophrenia patients receiving antipsychotics (n=29,641) with female patients without any serious mental illnesses nor receiving antipsychotic drugs (n=59,282)...
January 17, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28108130/contribution-of-sociodemographic-and-lifestyle-related-factors-to-the-differences-in-metabolic-syndrome-among-russian-somali-and-kurdish-migrants-compared-with-finns
#14
N Skogberg, T Laatikainen, A Jula, T Härkänen, E Vartiainen, P Koponen
BACKGROUND: Metabolic syndrome (MetS) is associated with a substantially increased risk for cardiovascular disease and diabetes. We examined the contribution of length of residence, socioeconomic position and lifestyle-related factors to the differences in the prevalence of MetS among migrants compared with Finns. METHODS: Cross-sectional data from randomly sampled 30-64year-old health examination participants (318 Russian, 212 Somali, and 321 Kurdish origin migrants) of the Migrant Health and Wellbeing Survey (2010-2012) were used...
January 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28108085/learning-curve-of-laparoscopic-roux-en-y-gastric-bypass-in-an-asian-low-volume-bariatric-unit
#15
Shih-Chiang Shen, Chun-Yi Tsai, Chien-Hung Liao, Yu-Yin Liu, Ta-Sen Yeh, Keng-Hao Liu
BACKGROUND: Obesity has become a healthcare burden in Taiwan and the rest of Asia. Laparoscopic Roux-en-Y gastric bypass (LRYGB) provides good weight loss outcome, and improves comorbidity as well as quality of life. We present our experience of the learning curve for LRYGB in a low-volume bariatric unit. METHODS: From March 2009 to August 2011, 60 consecutive patients who underwent LRYGB were included. They were separated into two groups, with the first 30 cases in Group 1 and the remaining 30 cases in Group 2...
January 17, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28108029/the-endoplasmic-reticulum-mitochondria-coupling-in-heath-and-disease-molecules-functions-and-significance
#16
REVIEW
Riccardo Filadi, Pierre Theurey, Paola Pizzo
The close apposition between endoplasmic reticulum (ER) and mitochondria represents a key platform, capable to regulate different fundamental cellular pathways. Among these, Ca(2+) signaling and lipid homeostasis have been demonstrated over the last years to be deeply modulated by ER-mitochondria cross-talk. Given its importance in cell life/death decisions, increasing evidence suggests that alterations of the ER-mitochondria axis could be responsible for the onset and progression of several diseases, including neurodegeneration, cancer and obesity...
January 12, 2017: Cell Calcium
https://www.readbyqxmd.com/read/28107783/lorcaserin-suppresses-oxycodone-self-administration-and-relapse-vulnerability-in-rats
#17
Harshini Neelakantan, Erica D Holliday, Robert G Fox, Sonja J Stutz, Sandra D Comer, Margaret Haney, Noelle C Anastasio, Frederick Gerard Moeller, Kathryn A Cunningham
Opioid use disorder (OUD) is a major public health problem. High relapse rates and poor treatment retention continue to pose major challenges in OUD treatment. Of the abused opioids, oxycodone is well described to maintain self-administration and evoke the durable conditioned responses ("cue reactivity") that result from pairing of opioid-related stimuli (e.g., paraphernalia) with repeated abuse. Serotonin (5-HT) neurotransmission, particularly through the 5-HT2C receptor (5-HT2CR), regulates psychostimulant reward and cue reactivity, and in the present experiments, we investigated the hypothesis that the selective 5-HT2CR agonist lorcaserin, which is FDA-approved for the treatment of obesity, will suppress oxycodone self-administration and oxycodone-associated cue reactivity in rats...
January 20, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28107669/medical-comorbidity-in-bipolar-disorder-the-link-with-metabolic-inflammatory-systems
#18
REVIEW
Ana SayuriYamagata, Elisa Brietzke, Joshua D Rosenblat, Ron Kakar, Roger S McIntyre
BACKGROUND: Bipolar disorder (BD) is associated with chronic low-grade inflammation, several medical comorbidities and a decreased life expectancy. Metabolic-inflammatory changes have been postulated as one of the main links between BD and medical comorbidity, although there are few studies exploring possible mechanisms underlying this relationship. Therefore, the aims of the current narrative review were 1) synthesize the evidence for metabolic-inflammatory changes that may facilitate the link between medical comorbidity and BD and 2) discuss therapeutic and preventive implications of these pathways...
January 4, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28107636/visceral-white-adipose-tissue-following-chronic-intermittent-and-sustained-hypoxia-in-mice
#19
David Gozal, Alex Gileles-Hillel, Rene Cortese, Yan Li, Isaac Almendros, Zhuanhong Qiao, Ahamed A Khalyfa, Jorge Andrade, Abdelnaby Khalyfa
BACKGROUND: Angiogenesis, a process induced by hypoxia in visceral white adipose tissue (vWAT) in the context of obesity, mediates obesity-induced metabolic dysfunction and insulin resistance. Chronic intermittent hypoxia (IH) and sustained hypoxia (SH) induce body weight reductions and insulin resistance of differing magnitude, suggesting different HIF-1α-related activity. METHODS: 8-week old male C57BL/6J mice (n=10-12/group) were exposed to either IH, SH,or room air (RA)...
January 20, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28107569/use-of-higher-maximum-doses-and-infusion-rates-compared-with-those-used-in-standard-unfractionated-heparin-therapy-is-associated-with-adequate-anticoagulation-without-increased-bleeding-in-both-obese-and-nonobese-patients-with-cardiovascular-indications
#20
Catherine K Floroff, Nicole M Palm, Daniel H Steinberg, Eric R Powers, Barbara S Wiggins
STUDY OBJECTIVE: To evaluate the time to achieve therapeutic activated partial thromboplastin time (aPTT) values and occurrence of bleeding based on standard unfractionated heparin (UFH) weight-based dosing recommendations compared with an aggressive weight-based UFH dosing strategy using higher maximum doses and infusion rates in both obese and nonobese patients who presented with non-ST-Segment Elevation Myocardial Infarction or unstable angina (NSTEMI/UA) or atrial fibrillation. DESIGN: Retrospective cohort study...
January 20, 2017: Pharmacotherapy
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