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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
#1
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/28811795/comparison-of-adjunctive-therapy-with-metformin-and-acarbose-in-patients-with-type-1-diabetes-mellitus
#2
Amir Ziaee, Neda Esmailzadehha, Maryam Honardoost
OBJECTIVE: All the aforementioned data have stimulated interest in studying other potential therapies for T1DM including noninsulin pharmacological therapies. The present study attempts to investigate the effect of adjunctive therapy with metformin and acarbose in patients with Type-1 diabetes mellitus. METHOD: In a single-center, placebo-controlled study (IRCT201102165844N1) we compared the results of two clinical trials conducted in two different time periods on 40 patients with Type-1 diabetes mellitus...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811713/clinical-significance-of-glycemic-parameters-on-venous-thromboembolism-risk-prediction-in-gastrointestinal-cancer
#3
Fiorella Guadagni, Silvia Riondino, Vincenzo Formica, Girolamo Del Monte, Anna Maria Morelli, Jessica Lucchetti, Antonella Spila, Roberta D'Alessandro, David Della-Morte, Patrizia Ferroni, Mario Roselli
AIM: To investigate the possible predictive role of routinely used glycemic parameters for a first venous thromboembolism (VTE) episode in gastrointestinal (GI) cancer ambulatory patients - with or without clinically diagnosed type 2 diabetes (T2D) or obesity - treated with chemotherapy. METHODS: Pre-treatment fasting blood glucose, insulin, glycated hemoglobin (HbA1c) and homeostasis model of risk assessment (HOMA) were retrospectively evaluated in a cohort study of 342 GI cancer patients...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28811651/inkt-cells-prevent-obesity-induced-hepatic-steatosis-in-mice-in-a-c-c-chemokine-receptor-7-dependent-manner
#4
H M Kim, R Lee, E S Lee, M H Kwon, J H Huh, B-E Kwon, E-K Park, S-Y Chang, M-N Kweon, P-H Kim, H-J Ko, C H Chung
Non-alcoholic fatty liver disease and non-alcoholic steatohepatitis are characterized by an increase in hepatic triglyceride content with infiltration of immune cells, which can cause steatohepatitis and hepatic insulin resistance. C-C chemokine receptor 7 (CCR7) is primarily expressed in immune cells, and CCR7 deficiency leads to the development of multi-organ autoimmunity, chronic renal disease, and autoimmune diabetes. Here, we investigated the effect of CCR7 on hepatic steatosis in a mouse model and its underlying mechanism...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28811359/exercise-training-prevents-skeletal-muscle-plasma-membrane-cholesterol-accumulation-cortical-actin-filament-loss-and-insulin-resistance-in-c57bl-6j-mice-fed-a-western-style-high-fat-diet
#5
Ashley G Ambery, Lixuan Tackett, Brent A Penque, Joseph T Brozinick, Jeffrey S Elmendorf
Insulin action and glucose disposal are enhanced by exercise, yet the mechanisms involved remain imperfectly understood. While the causes of skeletal muscle insulin resistance also remain poorly understood, new evidence suggest excess plasma membrane (PM) cholesterol may contribute by damaging the cortical filamentous actin (F-actin) structure essential for GLUT4 glucose transporter redistribution to the PM upon insulin stimulation. Here, we investigated whether PM cholesterol toxicity was mitigated by exercise...
August 2017: Physiological Reports
https://www.readbyqxmd.com/read/28811295/circulating-soluble-rage-isoforms-are-attenuated-in-obese-impaired-glucose-tolerant-individuals-and-are-associated-with-the-development-of-type-2-diabetes
#6
Edwin R Miranda, Vikram S Somal, Jacob T Mey, Brian K Blackburn, Edward Wang, Sarah S Farabi, Kristian Karstoft, Ciaran E Fealy, Sangeeta R Kashyap, John P Kirwan, Laurie Quinn, Thomas P J Solomon, Jacob M Haus
The soluble receptor for advanced glycation endproducts (sRAGE) may be protective against inflammation associated with obesity and type 2 diabetes (T2DM). The aim of this study was to determine the distribution of sRAGE isoforms, and whether sRAGE isoforms are associated with risk of T2DM development in subjects spanning the glucose tolerance continuum. In this retrospective analysis, circulating total sRAGE and endogenous secretory RAGE (esRAGE) were quantified via ELISA and cleaved RAGE (cRAGE) was calculated in 274 individuals stratified by glucose tolerance status (GTS) and obesity...
August 15, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28809735/algorithm-for-screening-of-adrenal-function-in-stable-patients-with-cirrhosis
#7
Jonathan Paz-Delgadillo, Roberto Monreal-Robles, Jesús Z Villarreal-Pérez, Héctor J Maldonado-Garza, Francisco J Bosques-Padilla
INTRODUCTION AND AIMS: Adrenal insufficiency (AI) is common in patients with cirrhosis. We aimed to assess the presence of AI in stable patients with cirrhosis using the gold-standard insulin tolerance test (ITT) and to propose an algorithm for screening AI in these patients. MATERIAL AND METHODS: We studied 40 stable patients with cirrhosis. We determined the basal total (BTC) and peak cortisol (PTC) levels. Using the ITT, we defined AI as a serum PTC < 18 μg/dL at 30 min after insulin-induced hypoglycemia...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28808079/the-impact-of-iugr-on-pancreatic-islet-development-and-%C3%AE-cell-function
#8
Brit H Boehmer, Sean W Limesand, Paul J Rozance
Placental insufficiency is a primary cause of intrauterine growth restriction (IUGR). IUGR increases the risk of developing type 2 diabetes mellitus (T2DM) throughout life, which indicates that insults from placental insufficiency impair β-cell development during the perinatal period because β-cells have a central role in the regulation of glucose tolerance. The severely IUGR fetal pancreas is characterized by smaller islets, less β-cells, and lower insulin secretion. Because of the important associations among impaired islet growth, β-cell dysfunction, impaired fetal growth, and the propensity for T2DM, significant progress has been made in understanding the pathophysiology of IUGR and programing events in the fetal endocrine pancreas...
August 14, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28808062/ablating-tbc1d1-impairs-contraction-induced-sarcolemmal-glucose-transporter-type-4-redistribution-but-not-insulin-mediated-responses-in-rats
#9
Jamie Whitfield, Sabina Paglialunga, Brennan K Smith, Paula M Miotto, Genevieve Simnett, Holly L Robson, Swati S Jain, Eric A F Herbst, Eric M Desjardins, David J Dyck, Lawrence L Spriet, Gregory R Steinberg, Graham P Holloway
TBC1 domain family member 1 (TBC1D1), a Rab GTPase-activating protein and paralogue of Akt substrate of 160 kDa (AS160), has been implicated in both insulin- and 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase (AICAR)-mediated glucose transporter type (GLUT4) translocation. However, the role of TBC1D1 in contracting muscle remains ambiguous. We therefore explored the metabolic consequence of ablating TBC1D1 in both resting and contracting skeletal muscles, utilizing a rat TBC1D1-KO model...
August 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28807822/does-long-term-androgen-deficiency-lead-to-metabolic-syndrome-in-middle-aged-rats
#10
Veronika Borbélyová, Emese Domonkos, Janka Bábíčková, Ľubomíra Tóthová, Mária Kačmárová, Oľga Uličná, Daniela Ostatníková, Július Hodosy, Peter Celec
Evidence from clinical observational studies and animal experiments suggests that hypogonadism is associated with the metabolic syndrome. In most of the experiments, androgen deficiency is induced by gonadectomy in the adulthood and relatively short-term effects of hypogonadism on metabolic parameters are usually observed. The purpose of this study was to evaluate the metabolic effects of long-term androgen deficiency starting before puberty in middle-aged male rats. The components of the metabolic syndrome were examined in male, female and gonadectomized male rats at the age of 18months...
August 11, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28806748/temperature-effects-on-gene-expression-and-morphological-development-of-european-eel-anguilla-anguilla-larvae
#11
Sebastian N Politis, David Mazurais, Arianna Servili, Jose-Luis Zambonino-Infante, Joanna J Miest, Sune R Sørensen, Jonna Tomkiewicz, Ian A E Butts
Temperature is important for optimization of rearing conditions in aquaculture, especially during the critical early life history stages of fish. Here, we experimentally investigated the impact of temperature (16, 18, 20, 22 and 24°C) on thermally induced phenotypic variability, from larval hatch to first-feeding, and the linked expression of targeted genes [heat shock proteins (hsp), growth hormone (gh) and insulin-like growth factors (igf)] associated to larval performance of European eel, Anguilla anguilla...
2017: PloS One
https://www.readbyqxmd.com/read/28805970/a-novel-free-fatty-acid-receptor-1-gpr40-ffar1-agonist-mr1704-enhances-glucose-dependent-insulin-secretion-and-improves-glucose-homeostasis-in-rats
#12
Naoto Tsuda, Atsuko Kawaji, Toshihiro Sato, Mitsuhiro Takagi, Chika Higashi, Yutaka Kato, Kumiko Ogawa, Hiroyasu Naba, Munetaka Ohkouchi, Masaki Nakamura, Yoshitaka Hosaka, Junichi Sakaki
Activation of G protein-coupled receptor 40/Free fatty acid receptor 1 (GPR40/FFAR1), which is highly expressed in pancreatic β cells, is considered an important pharmacologic target for the treatment of type 2 diabetes mellitus. The aim of this study was to determine the effect of MR1704, a novel GPR40/FFAR1 agonist, on glucose homeostasis in rats. MR1704 is a highly potent and selective, orally bioavailable agonist with similar in vitro potencies among humans, mice, and rats. Treatment of rat islets with MR1704 increased glucose-dependent insulin secretion...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28803605/management-of-adult-growth-hormone-deficiency-at-peking-union-medical-college-hospital-a-survey-among-physicians
#13
Hong-Bo Yang, Meng-Qi Zhang, Hui Pan, Hui-Juan Zhu
Objective To evaluate physicians' attitude and knowledge about the management of adult growth hormone deficiency (AGHD) at Peking Union Medical College Hospital and impact factors associated with better decision-making.Methods A 21-question anonymous survey was distributed and collected at Peking Union Medical College Hospital, a major teaching hospital in Chinese Academy of Medical Sciences. Data of physicians' educational background, clinical training, patient workload per year and continuing medical education in AGHD were collected...
September 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28803396/early-regression-of-carotid-intima-media-thickness-after-bariatric-surgery-and-its-relation-to-serum-leptin-reduction
#14
G Lambert, Marcelo Miranda de Oliveira Lima, A C Felici, J C Pareja, A C J Vasques, F S Novaes, S Rodovalho, F F P Hirsch, J R Matos-Souza, Élinton A Chaim, B Geloneze
PURPOSE: Bariatric surgery (BS) promotes carotid intima-media thickness (C-IMT) regression as early as 6 months post-surgery. To verify whether C-IMT regression occurs even earlier, we aimed at the effect of Roux-en-Y gastric bypass (RYGBP) and biliopancreatic diversion (BPD) on C-IMT 1-2 months and 12 months post-surgery. SUBJECTS/METHODS: Prospective trial. BS was performed on 109 patients either with (RYGBP = 42; BDP = 40) or without type 2 diabetes (RYGBP = 27)...
August 12, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28801594/deficiency-in-catechol-o-methyltransferase-is-linked-to-a-disruption-of-glucose-homeostasis-in-mice
#15
Megumi Kanasaki, Swayam Prakash Srivastava, Fan Yang, Ling Xu, Sumiyo Kudoh, Munehiro Kitada, Norikazu Ueki, Hyoh Kim, Jinpeng Li, Satoru Takeda, Keizo Kanasaki, Daisuke Koya
2-methoxyestradiol (2-ME), an estrogen metabolite generated via catechol-o-methyltransferase (COMT), is multifunctional methoxy-catechol. Here, we report that COMT deficiency leads to glucose intolerance and 2-ME rescues COMT-deficient-associated metabolic defects. Liver COMT protein was suppressed in high fat diet (HFD)-fed or in pregnant mice. COMT suppression, by Ro41-0960 or siRNA, in HFD fed mice or in pregnant mice exacerbated glucose intolerance; 2-ME intervention ameliorated these defects. 2-ME effects on glucose tolerance were associated with AMPK phosphorylation in the liver and in islet cells...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801571/crp-level-associated-polymorphism-rs1205-within-the-crp-gene-is-associated-with-2-hour-glucose-level-the-sapphire-study
#16
Wayne Huey-Herng Sheu, Wen-Chang Wang, Kwan-Dun Wu, Chih-Tsueng He, Chii-Min Hwu, Thomas Quertermous, Wan-Shan Hsieh, Wen-Jane Lee, Chih-Tai Ting, Yii-Der I Chen, Chao A Hsiung
C-reactive protein (CRP) encoded by CRP gene is a reflection of systemic inflammation. Many studies associated CRP level with diabetes and glucose levels, but the association of CRP gene with these traits is unclear. We conducted a cross-sectional study consisting of 945 siblings from 330 families collected by the Stanford Asian Pacific Program in Hypertension and Insulin Resistance (SAPPHIRe) to investigate associations between CRP polymorphisms, circulating CRP, diabetes, and glucose levels. Five single-nucleotide polymorphisms were analyzed: rs3093059, rs2794521, rs1417938, rs1800947, and rs1205...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28800568/causes-and-consequences-of-gestational-diabetes-in-south-asians-living-in-canada-results-from-a-prospective-cohort-study
#17
Sonia S Anand, Milan Gupta, Koon K Teo, Karleen M Schulze, Dipika Desai, Nora Abdalla, Michael Zulyniak, Russell de Souza, Gita Wahi, Mateen Shaikh, Joseph Beyene, Eileen de Villa, Katherine Morrison, Sarah D McDonald, Hertzel Gerstein
BACKGROUND: The reasons for the increased risk of gestational diabetes among South Asian women are not well understood. We sought to identify the determinants of gestational diabetes and its impact on newborn health in a prospective birth cohort of South Asian women and their babies. METHODS: As part of the South Asian Birth Cohort (START) prospective birth cohort study in Ontario, we recruited 1012 South Asian women with singleton pregnancies in the second trimester of pregnancy between July 11, 2011, and Nov...
August 9, 2017: CMAJ Open
https://www.readbyqxmd.com/read/28800090/the-effect-of-buffering-high-acid-load-meal-with-sodium-bicarbonate-on-postprandial-glucose-metabolism-in-humans-a-randomized-placebo-controlled-study
#18
Pinar Kozan, Jackson C Blythe, Jerry R Greenfield, Dorit Samocha-Bonet
Background: High dietary acid load relates to increased risk of type 2 diabetes in epidemiological studies. We aimed to investigate whether buffering a high acid load meal with an alkalizing treatment changes glucose metabolism post meal. Methods: Non-diabetic participants (n = 32) were randomized to receive either 1680 mg NaHCO₃ or placebo, followed by a high acid load meal in a double-blind placebo-controlled crossover (1-4 weeks apart) study. Thirty (20 men) participants completed the study. Venous blood pH, serum bicarbonate, blood glucose, serum insulin, C-peptide, non-esterified fatty acid (NEFA), and plasma glucagon-like peptide-1 (GLP-1) concentrations were measured at baseline (fasting) and at 15-30 min intervals for 3 h post meal...
August 11, 2017: Nutrients
https://www.readbyqxmd.com/read/28798859/amelioration-of-abnormalities-associated-with-the-metabolic-syndrome-by-spinacia-oleracea-spinach-consumption-and-aerobic-exercise-in-rats
#19
Vandana Panda, Kinjal Mistry, S Sudhamani, Mukesh Nandave, Shreesh Kumar Ojha
The present study evaluates the protective effects of an antioxidant-rich extract of Spinacea oleracea (NAOE) in abnormalities associated with the metabolic syndrome (MetS) in rats. HPTLC of NAOE revealed the presence of 13 total antioxidants, 14 flavonoids, and 10 phenolic acids. Rats administered with fructose (20% w/v) in drinking water for 45 days to induce abnormalities of MetS received NAOE (200 and 400 mg/kg, po), the standard drug gemfibrozil (60 mg/kg, po), aerobic exercise (AE), and a combination of NAOE 400 mg/kg and AE (NAOEAE) daily for 45 days...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28797149/-investigation-of-pregestational-diabetes-mellitus-in-15-hospitals-in-guangdong-province
#20
H T Chen, S Q Deng, Z Y Li, Z L Wang, Q Li, J K Gao, Y H Zhong, D M Suo, L N Lu, S L Pan, H X Chen, Y Y Cui, J H Fan, J Y Wen, L R Zhong, F Z Han, Y H Wang, S J Hu, P P Liu
Objective: To investigate the morbidity, diagnostic profile and perinatal outcome of pregestational diabetes mellitus (PGDM) in 15 hospitals in Guangdong province. Methods: A total of 41 338 women delivered in the 15 hospitals during the 6 months, 195 women with PGDM (PGDM group) and 195 women with normal glucose test result (control group) were recruited from these tertiary hospitals in Guangdong province from January 2016 to June 2016. The morbidity and diagnostic profile of PGDM were analyzed. The complications during pregnancy and perinatal outcomes were compared between the two groups...
July 25, 2017: Zhonghua Fu Chan Ke za Zhi
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