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https://www.readbyqxmd.com/read/28811790/cardiorespiratory-fitness-and-its-association-with-adiposity-indices-in-young-adults
#1
Mozaffer Rahim Hingorjo, Sitwat Zehra, Zainab Hasan, Masood Anwar Qureshi
OBJECTIVE: This study investigated the relationship between cardiorespiratory fitness (CRF) and adiposity in young adults. METHODS: Data was collected from 133 students of a medical college of Pakistan. The study was conducted on young adults, aged 17-24 years, recruited from Jinnah Medical & Dental College, Karachi, between Aug-Dec, 2015. Queen's College Step Test was conducted to measure CRF and maximal oxygen uptake (VO2max) evaluated. Anthropometric measurements (body mass index, body fat, visceral fat, waist circumference) were taken to assess adiposity...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28809783/role-of-omentin-vaspin-cardiotrophin-1-tweak-and-nov-ccn3-in-obesity-and-diabetes-development
#2
REVIEW
Xavier Escoté, Saioa Gómez-Zorita, Miguel López-Yoldi, Iñaki Milton-Laskibar, Alfredo Fernández-Quintela, J Alfredo Martínez, María J Moreno-Aliaga, María P Portillo
Adipose tissue releases bioactive mediators called adipokines. This review focuses on the effects of omentin, vaspin, cardiotrophin-1, Tumor necrosis factor-like Weak Inducer of Apoptosis (TWEAK) and nephroblastoma overexpressed (NOV/CCN3) on obesity and diabetes. Omentin is produced by the stromal-vascular fraction of visceral adipose tissue. Obesity reduces omentin serum concentrations and adipose tissue secretion in adults and adolescents. This adipokine regulates insulin sensitivity, but its clinical relevance has to be confirmed...
August 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28802015/identification-and-characterization-of-metformin-on-peptidomic-profiling-in-human-visceral-adipocytes
#3
Yao Gao, XingYun Wang, FangYan Huang, XianWei Cui, Yun Li, Xing Wang, Yan Cao, PengFei Xu, KaiPeng Xie, RanRan Tang, Le Zhang, ChenBo Ji, LiangHui You, XiRong Guo
OBJECTIVES: To gain insight into the effect of metformin on losing weight from peptidomic perspective and to screen potential active peptides for reducing fat lipid deposition. METHODS: After determining the proper concentration of metformin on human primary visceral adipocytes, we constructed a comparative peptidomic profiling between control and metformin treatment group (n = 3) using a stable isobaric labeling strategy involving tandem mass tag reagents, followed by liquid chromatography tandem mass spectrometry...
August 12, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28801068/lepr-polymorphism-may-affect-energy-balance-during-weight-loss-among-brazilians-obese-adolescents
#4
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
#5
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/28799667/coadministration-of-isomalto-oligosaccharides-augments-metabolic-health-benefits-of-cinnamaldehyde-in-high-fat-diet-fed-mice
#6
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/28797077/gender-difference-in-nash-susceptibility-roles-of-hepatocyte-ikk%C3%AE-and-sult1e1
#7
Noriko Matsushita, Mohamed T Hassanein, Marcos Martinez-Clemente, Raul Lazaro, Samuel W French, Wen Xie, Keane Lai, Michael Karin, Hidekazu Tsukamoto
Myeloid cell and hepatocyte IKKβ may mediate the genesis of obesity and insulin resistance in mice fed high fat diet. However, their gender-specific roles in the pathogenesis of non-alcoholic steatohepatitis (NASH) are not known. Here we demonstrate myeloid IKKβ deficiency prevents Western diet-induced obesity and visceral adiposity in females but not in males, and attenuates hyperglycemia, global IR, and NASH in both genders. In contrast, all metabolic sequela including NASH are aggravated by hepatocyte IKKβ deficiency (IkbkbΔhep) in male but not female mice...
2017: PloS One
https://www.readbyqxmd.com/read/28794431/macrophage-jak2-deficiency-protects-against-high-fat-diet-induced-inflammation
#8
Harsh R Desai, Tharini Sivasubramaniyam, Xavier S Revelo, Stephanie A Schroer, Cynthia T Luk, Prashanth R Rikkala, Adam H Metherel, David W Dodington, Yoo Jin Park, Min Jeong Kim, Joshua A Rapps, Rickvinder Besla, Clinton S Robbins, Kay-Uwe Wagner, Richard P Bazinet, Daniel A Winer, Minna Woo
During obesity, macrophages can infiltrate metabolic tissues, and contribute to chronic low-grade inflammation, and mediate insulin resistance and diabetes. Recent studies have elucidated the metabolic role of JAK2, a key mediator downstream of various cytokines and growth factors. Our study addresses the essential role of macrophage JAK2 in the pathogenesis to obesity-associated inflammation and insulin resistance. During high-fat diet (HFD) feeding, macrophage-specific JAK2 knockout (M-JAK2(-/-)) mice gained less body weight compared to wildtype littermate control (M-JAK2(+/+)) mice and were protected from HFD-induced systemic insulin resistance...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28792859/elucidating-the-role-of-plexin-d1-in-body-fat-distribution-and-susceptibility-to-metabolic-disease-using-a-zebrafish-model-system
#9
James E N Minchin, John F Rawls
Non-communicable diseases (NCDs) such as cardiovascular disease, diabetes and cancer were responsible for 68% of all deaths worldwide in 2012. The regional distribution of lipid deposited within adipose tissue (AT) - so called body fat distribution (BFD) - is a strong risk factor for NCDs. BFD is highly heritable; however, the genetic basis of BFD is almost entirely unknown. Genome-wide association studies have identified several loci associated with BFD, including at Plexin D1 (PLXND1) - a gene known to modulate angiogenesis...
July 27, 2017: Adipocyte
https://www.readbyqxmd.com/read/28791501/skeletal-muscle-mass-to-visceral-fat-area-ratio-is-an-important-determinant-affecting-hepatic-conditions-of-non-alcoholic-fatty-liver-disease
#10
Takashi Shida, Kentaro Akiyama, Sechang Oh, Akemi Sawai, Tomonori Isobe, Yoshikazu Okamoto, Kazunori Ishige, Yuji Mizokami, Kenji Yamagata, Kojiro Onizawa, Hironori Tanaka, Hiroko Iijima, Junichi Shoda
BACKGROUND: Not only obesity but also sarcopenia is associated with NAFLD. The influence of altered body composition on the pathophysiology of NAFLD has not been fully elucidated. The aim of this study is to determine whether skeletal muscle mass to visceral fat area ratio (SV ratio) affects NAFLD pathophysiology. METHODS: A total of 472 subjects were enrolled. The association between SV ratio and NAFLD pathophysiological factors was assessed in a cross-sectional nature by stratification analysis...
August 8, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28790027/increased-mitochondrial-calcium-uniporter-in-adipocytes-underlies-mitochondrial-alterations-associated-with-insulin-resistance
#11
Lauren E Wright, Denis Vecellio Reane, Gabriella Milan, Anna Terrin, Giorgia di Bello, Anna Belligoli, Marta Sanna, Mirto Foletto, Francesca Favaretto, Anna Raffaello, Cristina Mammucari, Donato Nitti, Roberto Vettor, Rosario Rizzuto
Intracellular calcium influences an array of pathways and affects cellular processes. With the rapidly progressing research investigating the molecular identity and the physiological roles of the Mitochondrial Calcium Uniporter (MCU) complex, we now have the tools to understand the functions of mitochondrial Ca(2+) in the regulation of pathophysiological processes. Herein, we describe the role of key MCU complex components in insulin resistance in mouse and human adipose tissue. Adipose tissue gene expression was analysed from several models of obese and diabetic rodents and in obese patients, as well as in vitro insulin-resistant adipocytes...
August 8, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28789943/reciprocal-inflammatory-signaling-between-intestinal-epithelial-cells-and-adipocytes-in-the-absence-of-immune-cells
#12
Yu Takahashi, Shintaro Sato, Yosuke Kurashima, Chen-Yi Lai, Makoto Otsu, Mikio Hayashi, Takayuki Yamaguchi, Hiroshi Kiyono
Visceral fat accumulation as observed in Crohn's disease and obesity is linked to chronic gut inflammation, suggesting that accumulation of gut adipocytes can trigger local inflammatory signaling. However, direct interactions between intestinal epithelial cells (IECs) and adipocytes have not been investigated, in part because IEC physiology is difficult to replicate in culture. In this study, we originally prepared intact, polarized, and cytokine responsive IEC monolayers from primary or induced pluripotent stem cell-derived intestinal organoids by simple and repeatable methods...
August 2, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28777296/serum-iron-ferritin-ratio-predicts-healthy-body-composition-and-reduced-risk-of-severe-fatty-liver-in-young-adult-women
#13
Nindy Sabrina, Chyi-Huey Bai, Chun-Chao Chang, Yi-Wen Chien, Jiun-Rong Chen, Jung-Su Chang
Dysregulated iron metabolism is associated with altered body composition and nonalcoholic fatty liver disease (NAFLD); however, mechanisms underlying this association remain undefined. We investigated this association in 117 women. Middle-aged women (≥45 years old (y)) were heavier and had lower serum iron, higher serum hepcidin, ferritin, and severe NAFLD incidence than young adult women (<45 y). Age-adjusted linear regression analysis revealed that young adult women with the highest serum iron:ferritin ratio (Tertile 3) had a 5...
August 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28775374/relation-between-adiposity-and-vascular-events-malignancy-and-mortality-in-patients-with-stable-cerebrovascular-disease
#14
N E M Jaspers, J A N Dorresteijn, Y van der Graaf, J Westerink, L J Kappelle, H M Nathoe, A Algra, F L J Visseren
BACKGROUND: Abdominal adiposity is associated with various risk factors including hypertension, and is therefore particularly relevant in patients with stable cerebrovascular disease (CeVD). A U-shaped relation between body-mass index (BMI, kg/m(2)) and cardiovascular events is often described. Whether this U-shape persists for abdominal adiposity, and consequently which reference values should guide clinical practice, is unclear. We described the relation between multiple adiposity measurements and risk of vascular events, vascular mortality, malignancy, and all-cause mortality in patients with clinically stable CeVD...
August 4, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28774668/chronic-exposure-of-2-3-7-8-tetrachlorodibenzo-p-dioxin-tcdd-induces-an-obesogenic-effect-in-c57bl-6j-mice-fed-a-high-fat-diet
#15
Axelle Brulport, Ludovic Le Corre, Marie-Christine Chagnon
Contaminant involvement in the pathophysiology of obesity is widely recognized. It has been shown that low dose and chronic exposure to endocrine disruptor compounds (EDCs) potentiated diet- induced obesity. High and acute exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a persistent organic pollutant (POP) and an EDC with anti-estrogenic property, causes wasting syndrome . However at lower doses, the TCDD metabolic effects remain poorly understood. We investigated the obesogenic effect during chronic exposure of TCDD at 1μg/kg body weight (bw)/week in adult C57BL/6J mice fed with a high fat diet (HFD) and exposed from 10 to 42 weeks old to TCDD or equal volume of vehicle by intragastric gavage...
July 31, 2017: Toxicology
https://www.readbyqxmd.com/read/28772089/fructose-rich-diet-differently-affects-angiotensin-ii-receptors-content-in-the-nucleus-and-a-plasma-membrane-fraction-of-visceral-adipose-tissue
#16
Maja Bundalo, Ana Djordjevic, Biljana Bursac, Maja Zivkovic, Goran Koricanac, Aleksandra Stankovic
The adipose tissue renin-angiotensin system (RAS) is proposed to be a pathophysiological link between adipose tissue dysregulation and metabolic disorders induced by fructose rich diet (FRD). RAS can act intracellularly. We hypothesized that adipocytes nuclear membranes possess angiotensin receptors type 1 and type 2 (AT1R and AT2R) that couple to nuclear signaling pathways and regulate oxidative gene expression under the FRD. We analyzed the effect of nine-week consumption of 10% fructose solution on biochemical parameters, adipocyte morphology and expression of AT1R, AT2R, AT1R-associated protein (ATRAP), NOX4, MMP-9, and MnSOD in adipose tissue of Wistar rats...
August 3, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28771483/myeloid-specific-deletion-of-nox2-prevents-the-metabolic-and-neurologic-consequences-of-high-fat-diet
#17
Jennifer K Pepping, Bolormaa Vandanmagsar, Sun-Ok Fernandez-Kim, Jingying Zhang, Randall L Mynatt, Annadora J Bruce-Keller
High fat diet-induced obesity is associated with inflammatory and oxidative signaling in macrophages that likely participates in metabolic and physiologic impairment. One key factor that could drive pathologic changes in macrophages is the pro-inflammatory, pro-oxidant enzyme NADPH oxidase. However, NADPH oxidase is a pleiotropic enzyme with both pathologic and physiologic functions, ruling out indiscriminant NADPH oxidase inhibition as a viable therapy. To determine if targeted inhibition of monocyte/macrophage NADPH oxidase could mitigate obesity pathology, we generated mice that lack the NADPH oxidase catalytic subunit NOX2 in myeloid lineage cells...
2017: PloS One
https://www.readbyqxmd.com/read/28771229/autophagy-couteracts-weight-gain-lipotoxicity-and-pancreatic-%C3%AE-cell-death-upon-hypercaloric-pro-diabetic-regimens
#18
Álvaro F Fernández, Clea Bárcena, Gemma G Martínez-García, Isaac Tamargo-Gómez, María F Suárez, Federico Pietrocola, Francesca Castoldi, Lorena Esteban, Elena Sierra-Filardi, Patricia Boya, Carlos López-Otín, Guido Kroemer, Guillermo Mariño
In the last years, autophagy has been revealed as an essential pathway for multiple biological processes and physiological functions. As a catabolic route, autophagy regulation by nutrient availability has been evolutionarily conserved from yeast to mammals. On one hand, autophagy induction by starvation is associated with a significant loss in body weight in mice. Here, we demonstrate that both genetic and pharmacological inhibition of the autophagy process compromise weight loss induced by starvation. Moreover, autophagic potential also impacts on weight gain induced by distinct hypercaloric regimens...
August 3, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28770629/ipragliflozin-a-sodium-glucose-co-transporter-2-inhibitor-reduces-intrahepatic-lipid-content-and-abdominal-visceral-fat-volume-in-patients-with-type-2-diabetes
#19
Akio Ohta, Hiroyuki Kato, Satoshi Ishii, Yosuke Sasaki, Yuta Nakamura, Tomoko Nakagawa, Yoshio Nagai, Yasushi Tanaka
OBJECTIVE: We recently investigated the effect of ipragliflozin, a sodium glucose co-transporter-2 inhibitor (SGLT-2I), in Japanese patients with type 2 diabetes by a 24-week. SGLT-2Is also have an anti-obesity effect, and reduction of body fat has been demonstrated by indirect methods. However, evaluation of the effect on the total visceral fat volume and intrahepatic lipid content has not been performed. RESEARCH DESIGN AND METHODS: We measured the abdominal subcutaneous fat volume (SFV) and visceral fat volume (VFV) by whole abdominal CT scanning, the intrahepatic lipid (IHL) content by proton magnetic resonance spectroscopy (1H-MRS), and the fat mass index (FI) and appendicular skeletal mass index (ASMI) by dual X-ray absorptiometry (DXA) in 20 patients from our previous study...
August 3, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28770183/antidiabetic-effects-of-gastric-banding-surgery-in-morbidly-obese-patients-with-type-2-diabetes-mellitus
#20
Yu-Jeng Kim, Ha-Neul Choi, Hong-Chan Lee, Jung-Eun Yim
This study was performed to investigate the effect of gastric banding surgery on the improvement of glycated hemoglobin (HbA1c) of morbidly obese (MO) patients with type 2 diabetes mellitus (T2DM) with the consideration that obesity was associated with insulin resistance and T2DM. We retrospectively reviewed the medical records of 38 MO with T2DM patients and 50 MO patients. Pre-surgery and post-surgery data were analyzed a year later. The medical data from these patients, including sex, age, height, weight, body composition, HbA1c, triglyceride, total cholesterol, aspartate transaminase (AST), and alanine transaminase (ALT) were measured...
July 2017: Clinical Nutrition Research
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