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https://www.readbyqxmd.com/read/28529456/ethyl-acetate-fraction-of-huogu-formula-inhibits-adipogenic-differentiation-of-bone-marrow-stromal-cells-via-the-bmp-and-wnt-signaling-pathways
#1
Xiangying Kong, Xiaomin Li, Cun Zhang, Liuluan Zhu, Chunfang Liu, Qingxia Qin, Cuiling Liu, Qianqian Wang, Jia Zhu, Xuan Wu, Hongye Wan, Weiheng Chen, Na Lin
Elevated adipogenesis of bone marrow stromal cells (BMSCs) is closely associated with non-traumatic osteonecrosis of femoral head (ONFH). Our previous studies have shown that Huogu (HG) formula was effective both in clinic experience and experimental ONFH. How HG impacts the differentiation of BMSCs and what is the underlying molecular mechanism remain largely unknown. Our results showed that ethyl acetate extract of HG (HGE) significantly decreased the adipocyte differentiation as determined by oil red staining, while slightly increased the ALP activity...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28529331/butyrylcholinesterase-regulates-central-ghrelin-signaling-and-impacts-food-intake-and-glucose-homeostasis
#2
V P Chen, Y Gao, L Geng, S Brimijoin
BACKGROUND: Ghrelin is the only orexigenic hormone known to stimulate food intake and promote obesity and insulin resistance. We recently showed that plasma ghrelin is controlled by butyrylcholinesterase (BChE), which has a strong impact on feeding and weight gain. BChE knockout (KO) mice are prone to obesity on high-fat diet but hepatic BChE gene transfer rescues normal food intake and obesity resistance. However, these mice lack brain BChE and still develop hyperinsulinemia and insulin resistance, suggesting essential interactions between BChE and ghrelin within the brain...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28528402/impact-of-brown-rice-specific-%C3%AE-oryzanol-on-epigenetic-modulation-of-dopamine-d2-receptors-in-brain-striatum-in-high-fat-diet-induced-obesity-in-mice
#3
Chisayo Kozuka, Tadashi Kaname, Chigusa Shimizu-Okabe, Chitoshi Takayama, Masato Tsutsui, Masayuki Matsushita, Keiko Abe, Hiroaki Masuzaki
AIMS/HYPOTHESIS: Overeating of dietary fats causes obesity in humans and rodents. Recent studies in humans and rodents have demonstrated that addiction to fats shares a common mechanism with addiction to alcohol, nicotine and narcotics in terms of a dysfunction of brain reward systems. It has been highlighted that a high-fat diet (HFD) attenuates dopamine D2 receptor (D2R) signalling in the striatum, a pivotal regulator of the brain reward system, resulting in hedonic overeating. We previously reported that the brown rice-specific bioactive constituent γ-oryzanol attenuated the preference for an HFD via hypothalamic control...
May 20, 2017: Diabetologia
https://www.readbyqxmd.com/read/28527710/ccn3-regulates-macrophage-foam-cell-formation-and-atherosclerosis
#4
Hong Shi, Chao Zhang, Vinay Pasupuleti, Xingjian Hu, Domenick A Prosdocimo, Wenconghui Wu, Yulan Qing, Shitong Wu, Haneen Mohammad, Stanton L Gerson, Bernard Perbal, Philip A Klenotic, Nianguo Dong, Zhiyong Lin
Recent studies implicate the Cyr61, CTGF, Nov (CCN) matricellular signaling protein family as emerging players in vascular biology, with NOV (alias CCN3) as an important regulator of vascular homeostasis. Herein, we examined the role of CCN3 in the pathogenesis of atherosclerosis. In response to a 15-week high-fat diet feeding, CCN3-deficient mice on the atherosclerosis-prone Apoe(-/-) background developed increased aortic lipid-rich plaques compared to control Apoe(-/-) mice, a result that was observed in the absence of alterations in plasma lipid content...
June 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28526430/combination-of-integrated-dynamic-shimming-and-readout-segmented-echo-planar-imaging-for-diffusion-weighted-mri-of-the-head-and-neck-region-at-3tesla
#5
Sven S Walter, Wei Liu, Alto Stemmer, Petros Martirosian, Konstantin Nikolaou, Mike Notohamiprodjo, Sergios Gatidis
PURPOSE: To evaluate the performance of combined integrated slice-by-slice shimming and readout-segmented EPI (irsEPI) for diffusion-weighted MR imaging (DWI) of the neck at 3Tesla. METHODS: This study was approved by the local ethics committee. An anthropometric phantom of the head/neck region incorporating compartments with different diffusivities was constructed. In vivo measurements were performed in 10 healthy volunteers. DWI of the phantom and volunteers was performed on a 3Tesla MR scanner using single shot EPI (sEPI), a prototype single shot EPI with integrated slice-by-slice shimming (iEPI), readout segmented EPI (rsEPI) and a prototype readout segmented EPI with integrated shimming irsEPI...
May 16, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28526132/old-and-novel-functions-of-caspase-2
#6
M A Miles, T Kitevska-Ilioski, C J Hawkins
Although caspase-2 is a highly conserved protease that has received a lot of research attention, consensus about its roles and the molecular mechanisms that underpin them has been elusive. Recent improvements to our understanding of the activities of caspase-2 have been facilitated by the development and refinement of techniques allowing identification of cellular processes instigated by this caspase. Following DNA damage, caspase-2 can be activated in a molecular complex called the "PIDDosome"; however, other stimuli provoke caspase-2-dependent activities that do not appear to involve this complex...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28522335/comparative-analysis-of-transcriptomic-responses-to-repeated-dose-exposure-to-2-mcpd-and-3-mcpd-in-rat-kidney-liver-and-testis
#7
Thorsten Buhrke, Katharina Schultrich, Albert Braeuning, Alfonso Lampen
3-Chloro-1,2-propanediol (3-MCPD) and its isomer 2-chloro-1,3-propanediol (2-MCPD) are heat-induced food contaminants present in oil- and fat-containing foodstuff. Kidney and testes are among the main target organs of 3-MCPD. Almost no data on 2-MCPD toxicity are available. Here, transcriptomic responses following repeated-dose exposure of rats to non-toxic doses of 10 mg/kg body weight 2-MCPD or 3-MCPD for 28 days were characterized by microarray analysis of kidney, liver, and testes. 3-MCPD exerted more pronounced effects than 2-MCPD in all organs...
May 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28521867/effect-of-a-single-bout-of-aerobic-exercise-on-high-fat-meal-induced-inflammation
#8
Kelly N Z Fuller, Corey M Summers, Rudy J Valentine
BACKGROUND AND AIMS: Chronic low-grade inflammation is involved in the development of metabolic disorders including atherosclerosis, type 2 diabetes (T2D) and metabolic syndrome. Aerobic exercise has been shown to be anti-inflammatory and attenuate postprandial blood lipids, however, the effect of exercise on postprandial inflammation remains unclear. The aim of this study was to determine the protective effect of a single bout of aerobic exercise against postprandial lipemia and peripheral blood mononuclear cell (PBMC) inflammation and to evaluate associations with changes in the energy-sensing enzyme, AMP-activated protein kinase (AMPK)...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28520765/an-integrative-analysis-of-tissue-specific-transcriptomic-and-metabolomic-responses-to-short-term-dietary-methionine-restriction-in-mice
#9
Sujoy Ghosh, Laura A Forney, Desiree Wanders, Kirsten P Stone, Thomas W Gettys
Dietary methionine restriction (MR) produces a coordinated series of transcriptional responses in peripheral tissues that limit fat accretion, remodel lipid metabolism in liver and adipose tissue, and improve overall insulin sensitivity. Hepatic sensing of reduced methionine leads to induction and release of fibroblast growth factor 21 (FGF21), which acts centrally to increase sympathetic tone and activate thermogenesis in adipose tissue. FGF21 also has direct effects in adipose to enhance glucose uptake and oxidation...
2017: PloS One
https://www.readbyqxmd.com/read/28515432/high-salt-intake-negatively-regulates-fat-deposition-in-mouse
#10
Huanxian Cui, Shuyan Yang, Maiqing Zheng, Ranran Liu, Guiping Zhao, Jie Wen
High-salt (HS) intake contributes to hypertension and cardiopathy, but the effect of HS on fat deposition is controversial. Feed intake, fat mass, the percentage of abdominal fat, heat production, rate of oxygen consumption and the respiratory exchange ratio of mice on a HS diet were significantly decreased (P < 0.01 or 0.05) compared with mice on a normal-salt (NS) diet. An in vitro experiment with differentiating pre-adipocytes showed reduced fat deposition in the presence of high concentrations of NaCl (>0...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28514304/diagnostic-and-clinical-application-value-of-magnetic-resonance-imaging-mri-for-progressive-massive-fibrosis-of-coal-worker-pneumoconiosis-case-reports
#11
Lansheng Zhang, Chun Wang, Qiuyue Yan, Tao Zhang, Zhengxiang Han, Guan Jiang
RATIONALE: Using magnetic resonance imaging (MRI), we diagnosed pneumoconiosis by identifying the content and distribution of hydrogen protons in the water molecules in different tissues and lesions. PATIENT CONCERNS: 25 cases of CWP patients with progressive massive fibrosis (PMF) lesions. DIAGNOSES: Patients were correctly diagnosed, with one case each of Phase I and II pneumoconiosis and 23 cases of Phase III pneumoconiosis. INTERVENTIONS: None...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28512156/effects-of-metformin-on-compensatory-pancreatic-%C3%AE-cell-hyperplasia-in-mice-fed-a-high-fat-diet
#12
Kazuki Tajima, Jun Shirakawa, Tomoko Okuyama, Mayu Kyohara, Shunsuke Yamazaki, Yu Togashi, Yasuo Terauchi
Metformin has been widely used for the treatment of type 2 diabetes. However, the effect of metformin on pancreatic β-cells remains controversial. In this study, we investigated the impacts of treatment with metformin on pancreatic β-cells in a mouse model fed a high-fat diet (HFD), which triggers adaptive β-cell replication. An 8-week treatment with metformin improved insulin resistance and suppressed the compensatory β-cell hyperplasia induced by HFD-feeding. In contrast, the increment in β-cell mass arising from 60 weeks of HFD-feeding was similar in mice treated with and those treated without metformin...
May 16, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28512154/glucose-autoregulation-is-the-dominant-component-of-the-hormone-independent-counterregulatory-response-to-hypoglycemia-in-the-conscious-dog
#13
Justin M Gregory, Noelia Rivera, Guillaume Kraft, Jason J Winnick, Ben Farmer, Eric J Allen, E Patrick Donahue, Marta S Smith, Dale S Edgerton, Phillip E Williams, Alan D Cherrington
The contribution of hormone-independent counterregulatory signals in defense of insulin-induced hypoglycemia were determined in adrenalectomized, overnight-fasted conscious dogs receiving hepatic portal vein insulin infusions at a rate 20-fold basal. Either euglycemia was maintained (group 1) or hypoglycemia (≈45 mg/dL) was allowed to occur. There were 3 hypoglycemic groups: one in which hepatic autoregulation against hypoglycemia occurred in the absence of sympathetic nervous system input (group 2), autoregulation in the presence of norepinephrine (NE) signaling to fat and muscle (group 3), and autoregulation in the presence of NE signaling to fat, muscle, and liver (group 4)...
May 16, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28510290/retrospective-evaluation-of-the-impact-of-early-enteral-nutrition-on-clinical-outcomes-in-dogs-with-pancreatitis-34-cases-2010-2013
#14
Jessica P Harris, Nolie K Parnell, Emily H Griffith, Korinn E Saker
OBJECTIVE: To evaluate the effect of early enteral nutritional therapy on time to return to voluntary intake, maximum food consumption, incidence of gastrointestinal intolerance (GI), and total hospitalization time for dogs with acute pancreatitis. DESIGN AND SETTING: Retrospective analysis of dogs with pancreatitis at a veterinary teaching hospital between 2010 and 2013. ANIMALS: Thirty-four client-owned dogs diagnosed with acute or acute-on-chronic pancreatitis...
May 16, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28508477/the-novel-intracellular-protein-creg-inhibits-hepatic-steatosis-obesity-and-insulin-resistance
#15
Quan-Yu Zhang, Ling-Ping Zhao, Xiao-Xiang Tian, Cheng-Hui Yan, Yang Li, Yan-Xia Liu, Pi-Xiao Wang, Xiao-Jing Zhang, Ya-Ling Han
Cellular repressor of E1A-stimulated genes (CREG), a novel cellular glycoprotein, has been identified as a suppressor of various cardiovascular diseases (CVDs) because of its capacity to reduce hyperplasia, maintain vascular homeostasis, and promote endothelial restoration. However, the effects and mechanism of CREG in metabolic disorder and hepatic steatosis remain unknown. Here, we report that hepatocyte-specific CREG deletion dramatically exacerbates high fat diet (HFD) and leptin deficiency-induced (ob/ob) adverse effects such as obesity, hepatic steatosis and metabolic disorders, whereas a beneficial effect is conferred by CREG overexpression...
May 15, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28508193/neutrophil-depletion-improves-diet-induced-non-alcoholic-fatty-liver-disease-in-mice
#16
Rongying Ou, Jia Liu, Mingfen Lv, Jingying Wang, Jinmeng Wang, Li Zhu, Liang Zhao, Yunsheng Xu
PURPOSE: Non-alcoholic fatty liver disease is highly associated with morbidity and mortality in population. Although studies have already demonstrated that the immune response plays a pivotal role in the development of non-alcoholic fatty liver disease, the comprehensive regulation is unclear. Therefore, present study was carried out to investigate the non-alcoholic fatty liver disease development under neutrophil depletion. METHODS: To achieve the aim of the study, C57BL/6 J mice were fed with high fat diet for 6 weeks before treated with neutrophil deplete antibody 1A8 or isotype control (200 μg/ mouse every week) for another 4 weeks...
April 6, 2017: Endocrine
https://www.readbyqxmd.com/read/28508093/expression-of-concern-modulation-of-gut-microbiota-by-antibiotics-improves-insulin-signalling-in-high-fat-fed-mice
#17
B M Carvalho, D Guadagnini, D M L Tsukumo, A A Schenka, P Latuf-Filho, J Vassallo, J C Dias, L T Kubota, J B C Carvalheira, M J A Saad
No abstract text is available yet for this article.
May 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/28507819/radix-stellariae-extract-prevents-high-fat-diet-induced-obesity-in-c57bl-6-mice-by-accelerating-energy-metabolism
#18
Yin Li, Xin Liu, Yu Fan, Baican Yang, Cheng Huang
Stellaria dichotoma L. is widely distributed in Ningxia and surrounding areas in northwestern China. Its root, Radix Stellariae (RS), has been used in herbal formulae for treating asthenic-fever, infection, malaria, dyspepsia in children and several other symptoms. This study investigated whether the RS extract (RSE) alleviates metabolic disorders. The results indicated that RSE significantly inhibited body weight gain in high-fat (HF)-diet-fed C57BL/6 mice, reduced fasting glucose levels, and improved insulin tolerance...
2017: PeerJ
https://www.readbyqxmd.com/read/28507343/non-alcoholic-fatty-liver-disease-vascular-inflammation-and-insulin-resistance-are-exacerbated-by-trail-deletion-in-mice
#19
Siân P Cartland, Hanis H Harith, Scott W Genner, Lei Dang, Victoria C Cogger, Melissa Vellozzi, Belinda A Di Bartolo, Shane R Thomas, Leon A Adams, Mary M Kavurma
Non-alcoholic fatty liver disease (NAFLD) incorporates steatosis, non-alcoholic steato-hepatitis (NASH) and liver cirrhosis, associating with diabetes and cardiovascular disease (CVD). TNF-related apoptosis-inducing ligand (TRAIL) is protective of CVD. We aimed to determine whether TRAIL protects against insulin resistance, NAFLD and vascular injury. Twelve-week high fat diet (HFD)-fed Trail (-/-) mice had increased plasma cholesterol, insulin and glucose compared to wildtype. Insulin tolerance was impaired with TRAIL-deletion, with reduced p-Akt, GLUT4 expression and glucose uptake in skeletal muscle...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28505622/fat-suppressed-contrast-enhanced-t1-weighted-dynamic-magnetic-resonance-imaging-at-3t-comparison-of-image-quality-between-spectrally-adiabatic-iversion-recovery-and-the-multiecho-dixon-technique-in-imaging-of-the-prostate
#20
Yuji Iyama, Takeshi Nakaura, Masafumi Kidoh, Kazuhiro Katahira, Tomohiro Namimoto, Shoji Morishita, Yasuyuki Yamashita
OBJECTIVE: To compare the quality of fat suppression and image quality between multiecho Dixon technique (mDixon) and spectrally adiabatic iversion recovery (SPAIR) in dynamic contrast-enhanced magnetic resonance imaging of the prostate. METHODS: This prospective study assigned thirty consecutive patients to scanning with SPAIR technique (SPAIR protocol) and another consecutive 30 patients to scanning with mDixon technique (mDixon protocol). We calculated the contrast, signal to noise ratio (SNR), contrast to noise ratio (CNR) and the coefficient of variation between the 2 protocols...
May 2017: Journal of Computer Assisted Tomography
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