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https://www.readbyqxmd.com/read/28742368/borapetoside-e-a-clerodane-diterpenoid-extracted-from-tinospora-crispa-improves-hyperglycemia-and-hyperlipidemia-in-high-fat-diet-induced-type-2-diabetes-mice
#1
Yuhui Xu, Yanfen Niu, Yuan Gao, Fang Wang, Wanying Qin, Yanting Lu, Jing Hu, Li Peng, Jikai Liu, Wenyong Xiong
An insidious increase in the incidence of obesity, insulin resistance, and hyperlipidemia has led to an epidemic of type 2 diabetes worldwide. Tinospora crispa (T. crispa) is a familiar plant traditionally used in herbal medicine for diabetes; however, the major active ingredients of this plant are still unclear. In this study, we identified the therapeutic effects of borapetoside E, a small molecule extracted from T. crispa, in high-fat-diet (HFD)-induced obesity in mice. The therapeutic effects of borapetoside E in HFD-induced obese mice were assessed physiologically, histologically, and biochemically following intraperitoneal injection...
July 25, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28742010/bacterial-communities-in-the-small-intestine-respond-differently-to-those-in-the-caecum-and-colon-in-mice-fed-low-and-high-fat-diets
#2
Janet C Onishi, Sara Campbell, Michael Moreau, Falshruti Patel, Andrew I Brooks, Yin Xiu Zhou, Max M Häggblom, Judith Storch
Bacterial communities in the mouse caecum and faeces are known to be altered by changes in dietary fat. The microbiota of the mouse small intestine, by contrast, has not been extensively profiled and it is unclear whether small intestinal bacterial communities shift with dietary fat levels. We compared the microbiota in the small intestine, caecum and colon in mice fed a low-fat (LF) or high-fat (HF) diet using 16S rRNA gene sequencing. The relative abundance of major phyla in the small intestine, Bacteriodetes, Firmicutes and Proteobacteria, was similar to that in the caecum and colon; the relative abundance of Verrucomicrobia was significantly reduced in the small intestine compared to the large intestine...
July 26, 2017: Microbiology
https://www.readbyqxmd.com/read/28741793/telomerase-enzyme-deficiency-promotes-metabolic-dysfunction-in-murine-hepatocytes-upon-dietary-stress
#3
Raquel M Alves-Paiva, Sachiko Kajigaya, Xingmin Feng, Jichun Chen, Marie Desierto, Susan Wong, Danielle M Townsley, Flávia S Donaires, Adeline Bertola, Bin Gao, Neal S Young, Rodrigo T Calado
Short telomeres and genetic telomerase defects are risk factors for some human liver diseases, ranging from non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) to cirrhosis. In murine models, telomere dysfunction has been shown to metabolically compromise hematopoietic cells, liver, and heart via the activation of the p53-PGC axis METHODS: Tert- and Terc-deficient mice were challenged with liquid high fat diet (HFD). Liver metabolic contents were analyzed by CE-TOFMS and liver fat content was confirmed by confocal and electronic microscopy RESULTS: Tert-deficient but not Terc-deficient mice develop hepatocyte injury and frank steatosis when challenged with liquid HFD...
July 25, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28741270/involvement-of-porphyromonas-gingivalis-in-the-progression-of-non-alcoholic-fatty-liver-disease
#4
Takashi Nakahara, Hideyuki Hyogo, Atsushi Ono, Yuko Nagaoki, Tomokazu Kawaoka, Daiki Miki, Masataka Tsuge, Nobuhiko Hiraga, Clair Nelson Hayes, Akira Hiramatsu, Michio Imamura, Yoshiiku Kawakami, Hiroshi Aikata, Hidenori Ochi, Hiromi Abe-Chayama, Hisako Furusho, Tomoaki Shintani, Hidemi Kurihara, Mutsumi Miyauchi, Takashi Takata, Koji Arihiro, Kazuaki Chayama
BACKGROUND AND AIMS: The risk factors in the progression of nonalcoholic fatty liver disease (NAFLD) have not been fully clarified. Porphyromonas gingivalis (P.g) has been considered to be a confounding risk factor for systemic diseases. We aimed to evaluate the effect of P.g infection on risk of progression to NASH. METHODS: (1) Serum IgG antibody titers against P.g fimbriae (fimA) in 200 biopsy-proven NAFLD patients were measured by ELISA and compared with histological findings...
July 24, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28740628/impact-of-high-fat-diet-and-hypoxia-on-the-serum-levels-of-main-vasoconstrictors-in-male-rabbits
#5
Ali Aliyev, Magid Seyedghodraty, Mustafa Mohammadi, Fariba Mirzaei, Marzieh Marahem
Introduction: During atherosclerosis process, vasoconstriction phenomenon occurs which in turn leads to tissue hypoxia. A few studies have been performed on the combination of atherosclerosis and hypoxia as stressors that may accelerate secretion of constrictors. The aim of present study was to evaluate the effects of atherosclerosis and hypoxia on serum levels of main vasoconstrictors (epinephrine, norepinephrine and renin). Methods: In this interventional study, 32 New Zealand white rabbits were randomly divided into four groups (n = 8): normal diet (control group), normal diet exposed to hypoxia (11%, 10 days), high-fat diet (cholesterol-2%, 8 weeks), and high-fat diet with hypoxia...
2017: Journal of Cardiovascular and Thoracic Research
https://www.readbyqxmd.com/read/28740538/linarin-enriched-extract-attenuates-liver-injury-and-inflammation-induced-by-high-fat-high-cholesterol-diet-in-rats
#6
Zhen-Jie Zhuang, Chao-Wen Shan, Bo Li, Min-Xia Pang, Han Wang, Yan Luo, Yin-Lan Liu, Yu Song, Nan-Nan Wang, Su-Hong Chen, Jun-Ping Shi, Gui-Yuan Lv
The aim of this study was to explore the potential beneficial effects of linarin enriched Flos Chrysanthemi extract (Lin-extract) on nonalcoholic steatohepatitis (NASH) induced by high-fat high-cholesterol (HFHC) diet in rats. SD rats received normal diet, HFHC diet, or HFHC diet plus different doses of Lin-extract. The liver content of triglyceride and total cholesterol markedly increased in HFHC diet-fed model rats while middle and high dose of Lin-extract lowered liver cholesterol significantly. The expression of stearoyl-CoA desaturase (SCD1) was upregulated by HFHC diet and further elevated by high dose Lin-extract...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28739640/egcg-ameliorates-high-fat-and-high-fructose-induced-cognitive-defects-by-regulating-the-irs-akt-and-erk-creb-bdnf
#7
Yashi Mi, Guoyuan Qi, Rong Fan, Qinglian Qiao, Yali Sun, Yuqi Gao, Xuebo Liu
Obesity, which is caused by an energy imbalance between calorie intake and consumption, has become a major international health burden. Obesity increases the risk of insulin resistance and age-related cognitive decline, accompanied by peripheral inflammation. (-)-Epigallocatechin-3-gallate (EGCG), the major polyphenol in green tea, possesses antioxidant, anti-inflammatory, and cardioprotective activities; however, few reports have focused on its potential effect on cognitive disorders. In this study, our goal was to investigate the protective effects of EGCG treatment on insulin resistance and memory impairment induced by a high-fat and high-fructose diet (HFFD)...
July 24, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28739602/loss-of-prion-protein-is-associated-with-the-development-of-insulin-resistance-and-obesity
#8
Giovanna Brito, Fernada C S Lupinacci, Flávio H Beraldo, Tiago G Santos, Martin Roffé, Marilene H Lopes, Vladmir C C de Lima, Vilma R Martins, Glaucia N M Hajj
Prion protein (PrP(C)) was initially described due to its involvement in transmissible spongiform encephalopathies. It was subsequently demonstrated to be a cell surface molecule involved in many physiological processes, such as vesicle trafficking. Herein, we investigated the roles of PrP(C) in the response to insulin and obesity development.  Two independent PrP(C) knockout (KO) and one PrP(C) overexpressing (TG20) mouse models were fed high-fat diets, and the development of insulin resistance and obesity was monitored...
July 24, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28739572/altenusin-a-non-steroidal-microbial-metabolite-attenuates-non-alcoholic-fatty-liver-disease-by-activating-the-farnesoid-x-receptor
#9
Zhihui Zheng, Zanmei Zhao, Shuqiang Li, Xinhua Lu, Mengxi Jiang, Jie Lin, Yunqi An, Yang Xie, Meishu Xu, Wenbin Shen, Grace Guo, YIxian Huang, Song Li, Xuexia Zhang, Wen Xie
Non-alcoholic fatty liver disease (NAFLD) is a prevalent chronic liver disease. The incidence of NAFLD has increased steadily due to its close association with the global epidemic of obesity and type 2 diabetes. However, there is no effective pharmacological therapy approved for NAFLD. Farnesoid X receptor (FXR), a member of the nuclear receptor subfamily, plays important roles in maintaining the homeostasis of bile acids, glucose and lipids. FXR agonists have shown promise for the treatment of NAFLD. Here we report Altenusin (2076A), a natural non-steroidal fungal metabolite, as a novel selective agonist of FXR with an EC50 value of 3...
July 24, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28739540/the-women-in-steady-exercise-research-wiser-survivor-trial-the-innovative-transdisciplinary-design-of-a-randomized-controlled-trial-of-exercise-and-weight-loss-interventions-among-breast-cancer-survivors-with-lymphedema
#10
Renate M Winkels, Kathleen M Sturgeon, Michael J Kallan, Lorraine T Dean, Zi Zhang, Margaret Evangelisti, Justin C Brown, David B Sarwer, Andrea B Troxel, Crystal Denlinger, Monica Laudermilk, Anna Fornash, Angela DeMichele, Lewis A Chodosh, Kathryn H Schmitz
INTRODUCTION: Breast cancer survivors face dual challenges: long term sequelae of treatment, and risk of recurrent disease. Obesity and a sedentary lifestyle complicate both challenges. The WISER Survivor trial assessed the effects of exercise and/or weight-loss on lymphedema, biomarkers of breast cancer recurrence, and quality of life. We report on the innovative transdisciplinary design of this trial and report attrition rates. METHODS: This one year trial randomized breast cancer survivors who had a BMI of ≥25kg/m(2), were sedentary and had breast-cancer-related-lymphedema to 1) exercise (weight training and aerobic exercise) 2) weight-loss 3) exercise and weight-loss 4) or control group...
July 21, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28739531/oxidative-and-er-stress-dependent-ask1-activation-in-steatotic-hepatocytes-and-kupffer-cells-sensitizes-mice-fatty-liver-to-ischemia-reperfusion-injury
#11
Chiara Imarisio, Elisa Alchera, Bangalore R Chandrashekar, Guido Valente, Antonia Follenzi, Elena Trisolini, Renzo Boldorini, Rita Carini
Steatosis intensifies hepatic ischemia/reperfusion (I/R) injury increasing hepatocyte damage and hepatic inflammation. This study evaluates if this process is associated to a differential response of steatotic hepatocytes (HP) and Kupffer cells (KC) to I/R injury and investigates the molecular mechanisms involved. Control or steatotic (treated with 50 μmol palmitic acid, PA) mouse HP or KC were exposed to hypoxia/reoxygenation (H/R). C57BL/6 mice fed 9 week with control or High Fat diet underwent to partial hepatic IR...
July 21, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28739087/inhibition-of-lipolysis-by-ilexgenin-a-via-ampk-activation-contributes-to-the-prevention-of-hepatic-insulin-resistance
#12
Lan-Zhu Li, Tong Zhang, Lan Yang, Lijuan Zhang, Lulu Wang, Baolin Liu, Kang Liu
Adipose dysfunction links tightly to hepatic insulin resistance and gluconeogenesis. Ilexgenin A is reported with the ability to regulate lipid profile and protect the liver against high fat diet (HFD) -induced impairment. Here, we propose that ilexgenin A ameliorates hepatic insulin signaling and gluconeogenesis by regulating lipolysis in white adipose tissue (WAT). Pyruvate tolerance test and biochemical analysis coupled with the ex vivo siRNA knockdown and co-culture studies demonstrate that ilexgenin A suppresses inflammation-associated lipolysis in epididymal fat pad via 5'-AMP-activated protein kinase (AMPK) activation, thus inhibits diacylglycerol (DAG) accumulation and protein kinase C ε (PKCε) translocation in liver, leading to the improvement of insulin sensitivity and hepatic glucose production...
July 21, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28739056/supplementation-with-vitis-vinifera-l-skin-extract-improves-insulin-resistance-and-prevents-hepatic-lipid-accumulation-and-steatosis-in-high-fat-diet-fed-mice
#13
Izabelle Barcellos Santos, Graziele Freitas de Bem, Viviane Silva Cristino Cordeiro, Cristiane Aguiar da Costa, Lenize Costa Reis Marins de Carvalho, Ana Paula Machado da Rocha, Gisele França da Costa, Dayane Teixeira Ognibene, Roberto Soares de Moura, Angela Castro Resende
Nonalcoholic fatty liver disease is one of the most common complications of obesity. The Vitis vinifera L. grape skin extract (ACH09) is an important source of polyphenols, which are related to its antioxidant and antihyperglycemic activities. We hypothesized that ACH09 could also exert beneficial effects on metabolic disorders associated with obesity and evaluated ACH09's influence on high-fat (HF) diet-induced hepatic steatosis and insulin resistance in C57BL/6 mice. The animals were fed a standard diet (10% fat, control) or an HF diet (60% fat, HF) with or without ACH09 (200mg/[kg d]) for 12weeks...
July 2017: Nutrition Research
https://www.readbyqxmd.com/read/28739053/glucomannan-consumption-elevates-colonic-alkaline-phosphatase-activity-by-up-regulating-the-expression-of-iap-i-which-is-associated-with-increased-production-of-protective-factors-for-gut-epithelial-homeostasis-in-high-fat-diet-fed-rats
#14
Yukako Okazaki, Tetsuyuki Katayama
We previously reported that consumption of glucomannan-containing food (lily bulb) modulates gut microbiota and increases gut immunoglobulin A (IgA, index of intestinal immune function), mucins (index of intestinal barrier function), and colonic alkaline phosphatase (ALP) activity in rats fed a high-fat (HF) diet. Small intestinal ALP has an established protective effect in inflammatory diseases, whereas little is known about the function of colonic ALP activity. We hypothesized that dietary glucomannan would increase colonic ALP activity and the gene expression in rats fed an HF diet...
July 2017: Nutrition Research
https://www.readbyqxmd.com/read/28738971/rapamycin-ameliorated-diabetic-symptoms-involved-in-increasing-adiponectin-expression-in-diabetic-mice-on-a-high-fat-diet
#15
Fang-Hua Gong, Yan-Na Ye, Jin-Meng Li, Hai-Yang Zhao, Xiao-Kun Li
Recent studies showed that rapamycin improved diabetic complications. Here, we investigated the metabolic effects of rapamycin in type 2 diabetes model (T2DM) mice. Mice were treated with a daily intraperitoneal injection of rapamycin at 2 mg/kg or vehicle only for 3 weeks and were maintained on a high-fat diet. The treated diabetic mice exhibited decreased body weight, blood glucose levels, and fat mass. FGF21 expression was suppressed in C57B/L6 mice, but adiponectin expression increased both in FGF21 KO and C57B/L6 mice...
July 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28738912/changes-in-dietary-intake-following-a-culturally-adapted-lifestyle-intervention-among-iraqi-immigrants-to-sweden-at-high-risk-of-type-2-diabetes-a-randomised-trial
#16
Faiza Siddiqui, Vicky Winther, Azra Kurbasic, Emily Sonestedt, Katarina Balcker Lundgren, Staffan Lindeberg, Peter M Nilsson, Louise Bennet
OBJECTIVE: To investigate the effectiveness of a culturally adapted lifestyle intervention for changing dietary intake, particularly energy, fat and fibre intakes, in the intervention group (IG) compared with the control group (CG). DESIGN: Randomised controlled trial. SETTING: IG (n 50) and CG (n 46). The IG was offered seven group sessions, including one cooking class, over a period of 4 months. The participants filled out 4 d food diaries at the start, mid and end of the study...
July 25, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28738845/lutein-and-zeaxanthin-isomers-modulates-lipid-metabolism-and-the-inflammatory-state-of-retina-in-obesity-induced-high-fat-diet-rodent-model
#17
Mehmet Tuzcu, Cemal Orhan, Omer Ersin Muz, Nurhan Sahin, Vijaya Juturu, Kazım Sahin
BACKGROUND: Several studies associated high-fat intakes with a high incidence of age-related macular degeneration (AMD). Lutein and Zeaxanthin isomers (L/Zi) may counteract reactive oxygen species produced by oxidative stress. The present study was conducted to determine the possible effects of L/Zi administration on lipid profile, protein genes associated with oxidative stress and inflammation pathways in the obesity induced by a high-fat diet (HFD) in rodents. METHODS: Twenty-eight male Wistar rats were allocated into four groups as follows: (i) Control, (ii) Control + L/Zi, (iii) High Fat Diet (HFD), and (iv) HFD+ L/Z...
July 24, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28738598/green-and-efficient-sample-preparation-method-for-the-determination-of-catalyst-residues-in-margarine-by-icp-ms
#18
Carla Andrade Hartwig, Rodrigo Mendes Pereira, Diogo La Rosa Novo, Dirce Taina Teixeira Oliveira, Marcia Foster Mesko
Responding to the need for green and efficient methods to determine catalyst residues with suitable precision and accuracy in samples with high fat content, the present work evaluates a microwave-assisted ultraviolet digestion (MW-UV) system for margarines and subsequent determination of Ni, Pd and Pt using inductively coupled plasma mass spectrometry (ICP-MS). It was possible to digest up to 500mg of margarine using only 10mL of 4molL(-1) HNO3 with a digestion efficiency higher than 98%. This allowed the determination of catalyst residues using the ICP-MS and free of interferences...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738526/the-potential-of-chrysophanol-in-protecting-against-high-fat-induced-cardiac-injury-through-nrf2-regulated-anti-inflammation-anti-oxidant-and-anti-fibrosis-in-nrf2-knockout-mice
#19
Yonggang Lian, Xiangjun Xia, Haiying Zhao, Yunfeng Zhu
Cardiovascular complications induced by high fat are one of the most challenging health problems presently. Oxidative stress, inflammation and fibrosis are major components included in the pathology of diabetic cardiomyopathy. Nuclear factor erythroid 2-related factor 2 (Nrf2) has been reported as an essential therapeutic target in various diseases for its induction of anti-oxidant enzymes, and other protective enzymes. Additionally, a number of Nrf2 activators showed strong anti-inflammatory properties. In the study, we calculated the Nrf2-dependent anti-oxidant, anti-inflammatory and anti-fibrosis effects of chrysophanol in high fat diet-induced diabetic heart injury...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28737815/isofraxidin-a-coumarin-component-improves-high-fat-diet-induced-hepatic-lipid-homeostasis-disorder-and-macrophage-inflammation-in-mice
#20
Jian Li, Xiaofei Li, Zhike Li, Lu Zhang, Yonggang Liu, Hong Ding, Shanye Yin
Isofraxidin (IF) is a coumarin compound produced in the functional foods Siberian ginseng and Apium graveolens. The first objective of this study was to investigate the protective effects and putative methods of IF in combating lipotoxicity in vitro and in vivo. Oleic acid was used to induce lipid turbulence in human hepatoma cells (HepG2). Alterations in triglyceride metabolism, inflammation and oxidative status were monitored. Results show that IF mainly reduced triglyceride accumulation, TNF-α release and ROS activation in metabolic disordered cells...
July 24, 2017: Food & Function
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