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https://www.readbyqxmd.com/read/28819236/impact-of-sex-fat-distribution-and-initial-body-weight-on-oxytocin-s-body-weight-regulation
#1
Yuko Maejima, Masato Aoyama, Kazuho Sakamoto, Teruo Jojima, Yoshimasa Aso, Katsuya Takasu, Seiichi Takenosihita, Kenju Shimomura
Obesity is considered as a worldwide problem in both males and females. Although many studies have demonstrated the efficiency of oxytocin (Oxt) as an anti-obesity peptide, there is no comparative study of its effect in males and females. This study aims to determine factors (sex, initial body weight, and fat distribution) that may affect the ability of Oxt to regulate body weight (BW). With regard to sex, Oxt reduced BW similarly in males and females under both high fat diet (HFD) and standard chow-fed condition...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28817690/resveratrol-and-caloric-restriction-prevent-hepatic-steatosis-by-regulating-sirt1-autophagy-pathway-and-alleviating-endoplasmic-reticulum-stress-in-high-fat-diet-fed-rats
#2
Shibin Ding, Jinjin Jiang, Guofu Zhang, Yongjun Bu, Guanghui Zhang, Xiangmei Zhao
BACKGROUND: Studies have demonstrated that resveratrol (a natural polyphenol) and caloric restriction activate Sirtuin-1 (SIRT1) and induce autophagy. Furthermore, autophagy is induced by the SIRT1-FoxO signaling pathway and was recently shown to be a critical protective mechanism against non-alcoholic fatty liver disease (NAFLD) development. We aimed to compare the effects of resveratrol and caloric restriction on hepatic lipid metabolism and elucidate the mechanism by which resveratrol supplementation and caloric restriction alleviate hepatosteatosis by examining the molecular interplay between SIRT1 and autophagy...
2017: PloS One
https://www.readbyqxmd.com/read/28816006/cd38-deficiency-suppresses-adipogenesis-and-lipogenesis-in-adipose-tissues-through-activating-sirt1-ppar%C3%AE-signaling-pathway
#3
Ling-Fang Wang, Lian-Jie Miao, Xiao-Nv Wang, Cong-Cong Huang, Yi-Song Qian, Xuan Huang, Xiao-Lei Wang, Wan-Zhu Jin, Guang-Ju Ji, Mingui Fu, Ke-Yu Deng, Hong-Bo Xin
It has been recently reported that CD38 was highly expressed in adipose tissues from obese people and CD38-deficient mice were resistant to high-fat diet (HFD)-induced obesity. However, the role of CD38 in the regulation of adipogenesis and lipogenesis is unknown. In this study, to explore the roles of CD38 in adipogenesis and lipogenesis in vivo and in vitro, obesity models were generated with male CD38(-/-) and WT mice fed with HFD. The adipocyte differentiations were induced with MEFs from WT and CD38(-/-) mice, 3T3-L1 and C3H10T1/2 cells in vitro...
August 16, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28814987/green-tea-polyphenols-ameliorate-the-early-renal-damage-induced-by-a-high-fat-diet-via-ketogenesis-sirt3-pathway
#4
Weijie Yi, Xiao Xie, Miying Du, Yongjun Bu, Nannan Wu, Hui Yang, Chong Tian, Fangyi Xu, Siyun Xiang, Piwei Zhang, Zhuo Chen, Xuezhi Zuo, Chenjiang Ying
SCOPE: Several reports in the literature have suggested the renoprotective effects of ketone bodies and green tea polyphenols (GTPs). Our previous study found that GTP consumption could elevate the renal expression of the ketogenic rate-limiting enzyme, which was decreased by a high-fat diet (HFD) in rats. Here, we investigated whether ketogenesis can mediate renoprotection by GTPs against an HFD. METHODS AND RESULTS: Wistar rats were fed a standard or HFD with or without GTPs for 18 weeks...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28814950/morinda-citrifolia-l-leaf-extract-prevent-weight-gain-in-sprague-dawley-rats-fed-a-high-fat-diet
#5
Najla Gooda Sahib Jambocus, Amin Ismail, Alfi Khatib, Fawzi Mahomoodally, Nazamid Saari, Muhammad Waseem Mumtaz, Azizah Abdul Hamid
Background: Morinda citrifolia L. is widely used as a folk medicinal food plant to manage a panoply of diseases, though no concrete reports on its potential anti-obesity activity. This study aimed to evaluate the potential of M. citrifolia leaf extracts (MLE60) in the prevention of weight gain in vivo and establish its phytochemical profile. Design: Male Sprague-Dawley rats were divided into groups based on a normal diet (ND) or high fat diet (HFD), with or without MLE60 supplementation (150 and 350 mg/kg body weight) and assessed for any reduction in weight gain...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28813453/metabolomics-reveals-that-vine-tea-ampelopsis-grossedentata-prevents-high-fat-diet-induced-metabolism-disorder-by-improving-glucose-homeostasis-in-rats
#6
Wenting Wan, Baoping Jiang, Le Sun, Lijia Xu, Peigen Xiao
BACKGROUND: Vine tea (VT), derived from Ampelopsis grossedentata (Hand.-Mazz.) W.T. Wang, is an alternative tea that has been consumed widely in south China for hundreds of years. It has been shown that drinking VT on a daily basis improves hyperlipidemia and hyperglycemia. However, little is known about the preventive functions of VT for metabolic dysregulation and the potential pathological mechanisms involved. This paper elucidates the preventive effects of VT on the dysregulation of lipid and glucose metabolism using rats maintained on a high-fat-diet (HFD) in an attempt to explain the potential mechanisms involved...
2017: PloS One
https://www.readbyqxmd.com/read/28811650/diet-induced-obesity-leads-to-metabolic-dysregulation-in-offspring-via-endoplasmic-reticulum-stress-in-a-sex-specific-manner
#7
J H Park, Y Yoo, M Cho, J Lim, A M Lindroth, Y J Park
BACKGROUND/OBJECTIVES: Exposure to metabolic stress has been suggested to influence the susceptibility to metabolic disorders in offspring according to epidemiological and animal studies. Nevertheless, molecular mechanisms remain unclear. We investigated impacts of diet-induced paternal obesity on metabolic phenotypes in offspring and its underlying molecular mechanism. SUBJECTS/METHODS: Male founder mice (F0), fed with control diet (CD) or high fat diet (HFD), were mated with CD-fed females...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28811533/plasma-metabolomics-profiling-of-maintenance-hemodialysis-based-on-capillary-electrophoresis-time-of-flight-mass-spectrometry
#8
Shuxin Liu, Lichao Wang, Chunxiu Hu, Xin Huang, Hong Liu, Qiuhui Xuan, Xiaohui Lin, Xiaojun Peng, Xin Lu, Ming Chang, Guowang Xu
Uremia has been a rapidly increasing health problem in China. Hemodialysis (HD) is the main renal replacement therapy for uremia. The results of large-scale clinical trials have shown that the HD pattern is crucial for long-term prognosis of maintenance hemodialysis (MHD) in uremic patients. Plasma metabolism is very important for revealing the biological insights linked to the therapeutic effects of the HD pattern on uremia. Alteration of plasma metabolites in uremic patients in response to HD therapy has been reported...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811491/high-fat-diet-induced-acceleration-of-osteoarthritis-is-associated-with-a-distinct-and-sustained-plasma-metabolite-signature
#9
Poulami Datta, Yue Zhang, Alexa Parousis, Anirudh Sharma, Evgeny Rossomacha, Helal Endisha, Brian Wu, Izabela Kacprzak, Nizar N Mahomed, Rajiv Gandhi, Jason S Rockel, Mohit Kapoor
Metabolic changes induced by high fat diet (HFD) that contribute to osteoarthritis (OA) are poorly understood. We investigated longitudinal changes to metabolites and their contribution to OA pathogenesis in response to HFD. HFD-fed mice exhibited acceleration of spontaneous age-related and surgically-induced OA compared to lean diet (LD)-fed mice. Using metabolomics, we identified that HFD-fed mice exhibited a distinct and sustained plasma metabolite signature rich in phosphatidylcholines (PC) and lysophosphatidylcholines (lysoPCs), even after resumption of normal chow diet...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28809727/models-of-non-alcoholic-fatty-liver-disease-and-potential-translational-value-the-effects-of-3-5-l-diiodothyronine
#10
Elena Grasselli, Laura Canesi, Piero Portincasa, Adriana Voci, Laura Vergani, Ilaria Demori
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disorder in industrialized countries and is associated with increased risk of cardiovascular, hepatic and metabolic diseases. Molecular mechanisms on the root of the disrupted lipid homeostasis in NAFLD and potential therapeutic strategies can benefit of in vivo and in vitro experimental models of fatty liver. Here, we describe the high fat diet (HFD)-fed rat in vivo model, and two in vitro models, the primary cultured rat fatty hepatocytes or the FaO rat hepatoma fatty cells, mimicking human NAFLD...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28808842/colonic-motor-dysfunctions-in-a-mouse-model-of-high-fat-diet-induced-obesity-an-involvement-of-a2b-adenosine-receptors
#11
Luca Antonioli, Carolina Pellegrini, Matteo Fornai, Erika Tirotta, Daniela Gentile, Laura Benvenuti, Maria Cecilia Giron, Valentina Caputi, Ilaria Marsilio, Genny Orso, Nunzia Bernardini, Cristina Segnani, Chiara Ippolito, Balázs Csóka, Zoltán H Németh, György Haskó, Carmelo Scarpignato, Corrado Blandizzi, Rocchina Colucci
Adenosine A2B receptors (A2BR) regulate several enteric functions. However, their implication in the pathophysiology of intestinal dysmotility associated with high-fat diet (HFD)-induced obesity has not been elucidated. We investigated the expression of A2BR in mouse colon and their role in the mechanisms underlying the development of enteric dysmotility associated with obesity. Wild-type C57BL/6J mice were fed with HFD (60% kcal from fat) or normocaloric diet (NCD; 18% kcal from fat) for 8 weeks. Colonic A2BR localization was examined by immunofluorescence...
August 14, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/28807765/sglt2-inhibitor-and-dpp-4-inhibitor-improve-brain-function-via-attenuating-mitochondrial-dysfunction-insulin-resistance-inflammation-and-apoptosis-in-hfd-induced-obese-rats
#12
Piangkwan Sa-Nguanmoo, Pongpan Tanajak, Sasiwan Kerdphoo, Thidarat Jaiwongkam, Wasana Pratchayasakul, Nipon Chattipakorn, Siriporn C Chattipakorn
Dipeptidyl peptidase-4 inhibitor (vildagliptin) has been shown to exert beneficial effects on insulin sensitivity and neuroprotection in obese-insulin resistance. Recent studies demonstrated the neuroprotection of the sodium-glucose co-transporter 2 inhibitor (dapagliflozin) in diabetes. However, the comparative effects of both drugs and a combination of two drugs on metabolic dysfunction and brain dysfunction impaired by the obese-insulin resistance have never been investigated. Forty male Wistar rats were divided into two groups, and received either a normal-diet (ND, n=8) or a high-fat diet (HFD, n=32) for 16weeks...
August 11, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28807102/bitter-melon-powder-protects-against-obesity-associated-fatty-liver-disease-by-improving-colonic-microenvironment-in-rats-with-high-fat-diet-induced-obesity
#13
Juan Bai, Ying Zhu, Ying Dong
This study explored how bitter melon powder (BMP) alters the colonic microenvironment during the development of obesity-associated fatty liver in rats. We observed that BMP effectively inhibited the body weight gain and lipid accumulation in the liver, ameliorated glucose intolerance, and increased the colon weight after an 8-week treatment compared to that in the high-fat diet (HFD) group. BMP significantly decreased fecal water toxicity towards HT-29 cells, as revealed by the cell counting kit (CCK)-8 assay results, and the mRNA expression of Toll-like receptor 4 (TLR4) in colon mucosa...
August 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28805698/artemisia-iwayomogi-extract-attenuates-high-fat-diet-induced-hypertriglyceridemia-in-mice-potential-involvement-of-the-adiponectin-ampk-pathway-and-very-low-density-lipoprotein-assembly-in-the-liver
#14
Jinhui Lee, Vikram P Narayan, Eun Young Hong, Wan Kyunn Whang, Taesun Park
This study aimed to examine the protective effect of Artemisia iwayomogi extract (AI) against hypertriglyceridemia induced by a high-fat diet (HFD) in mice and to uncover the underlying molecular mechanisms. C57BL/6N mice were fed chow, HFD, HFD + 0.1% AI, HFD + 0.25% AI, or HFD + 0.5% AI for 10 weeks. The addition of 0.25% and 0.5% AI resulted in dose-dependent improvements in the major parameters of hypertriglyceridemia, including plasma triglyceride, free fatty acids, apolipoprotein B, and lipoprotein lipase, with parallel reductions in body weight gain, hepatic lipid accumulation, and insulin resistance...
August 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28804612/effect-of-genistein-on-expression-of-pancreatic-sirt1-inflammatory-cytokines-and-histological-changes-in-ovariectomized-diabetic-rat
#15
Hadi Yousefi, Alireza Alihemmati, Pouran Karimi, Mohammad Reza Alipour, Parisa Habibi, Nasser Ahmadiasl
OBJECTIVES: Genistein is reported to have anti-diabetic and anti-inflammatory functions, in particular, direct effects on β-cell proliferation and insulin secretion. In this study, we investigated the anti-inflammatory effect of genistein on the pancreatic β-cells in ovariectomized diabetic rat. MATERIALS AND METHODS: Forty female rats were divided into four groups: sham, bilateral ovariectomy (OVX), OVX.D (OVX+diabetes) and OVX.D.G (OVX.D+genistein). After bilateral ovariectomy, rats in the diabetic groups were fed high-fat diet (HFD), ad libitum for 4 weeks, and then a low dose of streptozotocin (STZ) (30 mg/kg) injected intraperitoneally...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28804559/microrna-1907-enhances-atherosclerosis-associated-endothelial-cell-apoptosis-by-suppressing-bcl-2
#16
Jin Zhao, Shu-Lin Ou, Wei-You Wang, Chang Yan, Lu-Xiang Chi
Injury and endothelial cell apoptosis are hall marks of atherosclerosis (AS). However, the mechanisms underlying its pathogenesis remain ill-defined. Recent evidence of a role for microRNAs in AS-associated endothelial cell apoptosis encouraged us to address this question. Here, AS was developed in ApoE (-/-) mice supplied with a high-fat diet (HFD), compared to ApoE (-/-) mice supplied with a normal diet (ND). Mouse endothelial cells were isolated from the aortic arch using flow cytometry based on their expression of CD31...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28804449/loss-of-leptin-induced-modulation-of-hippocampal-synaptic-trasmission-and-signal-transduction-in-high-fat-diet-fed-mice
#17
Marco Mainardi, Matteo Spinelli, Federico Scala, Andrea Mattera, Salvatore Fusco, Marcello D'Ascenzo, Claudio Grassi
Hippocampal plasticity is triggered by a variety of stimuli including sensory inputs, neurotrophins and inflammation. Leptin, whose primary function is to regulate food intake and energy expenditure, has been recently shown to affect hippocampal neurogenesis and plasticity. Interestingly, mice fed a high-fat diet (HFD) exhibit impaired hippocampal function, but the underlying mechanisms are poorly understood. To address this issue, we compared leptin responsiveness of hippocampal neurons in control and HFD-fed mice by combining single-cell electrophysiology and biochemical assays...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28804442/mesozeaxanthin-protects-the-liver-and-reduces-cardio-metabolic-risk-factors-in-an-insulin-resistant-rodent-model
#18
Kazim Sahin, Cemal Orhan, Fatih Akdemir, Mehmet Tuzcu, Nurhan Sahin, Ismet Yilmaz, Shakir Ali, Jayant Deshpande, Vijaya Juturu
Background: Mesozeaxanthin (MZ) is a macular carotenoid which has been reported to have a number of pharmacological properties, including the antioxidant, and anticarcinogenic property, and has been stated to decrease the hepatocyte lipid content. Objective: In this study, we investigated the effect of MZ on cardio-metabolic health risk (CMHR) and its probable mechanisms of action in rats fed a high-fat diet (HFD). Design: Rats were randomly divided into four groups consisting of (i) Control, (ii) MZ, (iii) HFD, and (iv) HFD+MZ...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28803985/mir-199a-3p-affects-adipocytes-differentiation-and-fatty-acid-composition-through-targeting-scd
#19
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/28803978/intraperitoneal-injection-of-d-serine-inhibits-high-fat-diet-intake-and-preference-in-male-mice
#20
Tsutomu Sasaki, Yasunobu Yasoshima, Sho Matsui, Hiromi Yokota-Hashimoto, Masaki Kobayashi, Tadahiro Kitamura
d-serine is a co-agonist of the N-methyl d-aspartate (NMDA) receptor, an important modulator of glutamatergic excitatory synaptic transmission. We previously reported that oral d-serine ingestion inhibited the intake of highly preferred food and promoted the intake of less preferred food in mice. Here, we analyzed the effects of intraperitoneal (IP) d-serine injections on feeding behavior in mice. We assessed the effects of d-serine during both the acquisition and maintenance of a preference for high-fat diets (HFDs)...
August 10, 2017: Appetite
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