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https://www.readbyqxmd.com/read/29792387/resveratrol-prevents-high-calorie-diet-induced-learning-and-memory-dysfunction-in-juvenile-c57bl-6j-mice
#1
Bao-Lei Xu, Hui Zhang, Li-Na Ma, Wen Dong, Zhi-Wei Zhao, Jing-Shuang Zhang, Yu-Lan Wang, Xu Zhang, Rong Wang
OBJECTIVE: Because resveratrol (RSV) has been shown to improve learning and memory, so we investigated the potential benefit of RSV on learning and memory deficits in juvenile mice fed with a HC diet and explored the molecular mechanisms underlying this process. METHODS: Six-week-old C57BL/6J mice were divided into three different diet groups: control, HC diet, and HC + RSV diet. Serum insulin and insulin-like growth factor 1 (IGF-1) levels were measured using enzyme-linked immunosorbent assays...
May 24, 2018: Neurological Research
https://www.readbyqxmd.com/read/29791653/waist-circumference-is-an-effect-modifier-of-the-association-between-bone-mineral-density-and-glucose-metabolism
#2
Lygia N Barroso, Dayana R Farias, Marcia Soares-Mota, Heloisa Bettiol, Marco Antônio Barbieri, Milton Cesar Foss, Antônio Augusto M da Silva, Gilberto Kac
OBJECTIVE: The role of bone markers on insulin resistance (IR) remains controversial. The objective of this study is to evaluate the association between bone mineral density (BMD) and glucose metabolism and investigate if visceral hyperadiposity, evaluated by waist circumference (WC), is an effect modifier of this association. SUBJECTS AND METHODS: Cross-sectional analysis with 468 young adults from the fourth follow-up of the 1978/79 Ribeirão Preto prospective birth cohort, Brazil...
May 17, 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29791512/cpr-ir-is-an-insulin-resistance-index-that-is-minimally-affected-by-hepatic-insulin-clearance-a-preliminary-research
#3
Tsuyoshi Okura, Risa Nakamura, Yohei Fujioka, Sonoko Kawamoto-Kitao, Yuichi Ito, Kazuhisa Matsumoto, Kyoko Shoji, Keisuke Sumi, Kazuhiko Matsuzawa, Shoichiro Izawa, Etsuko Ueta, Masahiko Kato, Takeshi Imamura, Shin-Ichi Taniguchi, Kazuhiro Yamamoto
BACKGROUND: Increased hepatic insulin clearance (HIC) is important in the pathophysiology of type 2 diabetes mellitus (T2DM). The aim of this study is to analyze an effective insulin resistance (IR) index that is minimally affected by HIC. METHODS: Our study involved 20 participants with T2DM and 21 healthy participants without diabetes (Non-DM). Participants underwent a meal tolerance test from which plasma glucose, insulin and serum C-peptide immunoreactivity (CPR) were measured, and HOMA-IR and HIC were calculated...
2018: PloS One
https://www.readbyqxmd.com/read/29791203/short-term-thermoneutral-housing-alters-glucose-metabolism-and-markers-of-adipose-tissue-browning-in-response-to-a-high-fat-diet-in-lean-mice
#4
Zachary Stephen Clayton, Carrie E McCurdy
Systemic insulin resistance and glucose intolerance occur with as little as 3 days of a high-fat diet (HFD) in mice and humans; the mechanisms that initiate acute insulin resistance are unknown. Most laboratories house mice at 22{degree sign}C, which is below their thermoneutral temperature (~30{degree sign}C). Cold stress has been shown to increase white adipose tissue (WAT) browning, alter lipid trafficking and impair immune function, while energy intake and expenditure decrease with increasing ambient temperature; importantly, dysregulation of these parameters have been strongly linked to obesity-induced insulin resistance...
May 23, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29790679/the-influence-of-a-3-week-body-mass-reduction-program-on-the-metabolic-parameters-and-free-amino-acid-profiles-in-adult-polish-people-with-obesity
#5
Małgorzata Moszak, Agnieszka Klupczyńska, Alina Kanikowska, Zenon Kokot, Agnieszka Zawada, Małgorzata Grzymisławska, Marian Grzymisławski
BACKGROUND: Previous studies have showed differences in the amino acid (AA) composition in the plasma of people with obesity when compared to lean individuals, but the perturbations of AA concentrations in obesity and the dynamics of AA changes after weight loss is not fully understood. OBJECTIVES: The objective of the study was to evaluate the effect of a short-term weight reduction program on the metabolic status and plasma AA levels in individuals with obesity...
April 16, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29790582/acetyl-coa-carboxylase-inhibition-reverses-nafld-and-hepatic-insulin-resistance-but-promotes-hypertriglyceridemia-in-rodents
#6
Leigh Goedeke, Jamie Bates, Daniel F Vatner, Rachel J Perry, Ting Wang, Ricardo Ramirez, Li Li, Matthew W Ellis, Dongyan Zhang, Kari E Wong, Carine Beysen, Gary W Cline, Adrian S Ray, Gerald I Shulman
Pharmacologic inhibition of acetyl-CoA carboxylase (ACC) enzymes, ACC1 and ACC2, offers an attractive therapeutic strategy for non-alcoholic fatty liver disease (NAFLD) via simultaneous inhibition of fatty acid synthesis and stimulation of fatty acid oxidation. However, the effects of ACC inhibition on hepatic mitochondrial oxidation, anaplerosis, and ketogenesis in vivo are unknown. Here, we evaluated the impact of a novel liver-directed allosteric inhibitor of ACC1 and ACC2 (Compound 1) on these parameters, as well as glucose and lipid metabolism, in control and diet-induced rodent models of NAFLD...
May 23, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29789442/ovine-prenatal-growth-restriction-impacts-glucose-metabolism-and-body-composition-throughout-life-in-both-sexes
#7
Jacqueline M Wallace, John S Milne, Raymond P Aitken, Graham W Horgan, Clare L Adam
Low birthweight is a risk factor for later adverse health. Here the impact of placentally-mediated prenatal growth-restriction followed by postnatal nutrient abundance on growth, glucose metabolism and body composition was assessed in both sexes at key stages from birth to mid-adult life. Singleton-bearing adolescent dams were fed control or high nutrient intakes to induce normal or growth-restricted pregnancies, respectively. Restricted lambs had ~40% reduced birthweight. Fractional growth rates were higher in restricted lambs of both sexes predominantly during suckling/juvenile phases...
May 22, 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29789273/insulin-resistance-is-related-to-psychiatric-disorders-among-obese-children
#8
Deniz Özalp Kızılay, Şermin Yalın Sapmaz, Semra Şen, Yekta Özkan, Betül Ersoy
OBJECTIVE: The current study aimed to investigate psychiatric consequences of obesity (OBy) and the relationship between metabolic syndrome components and psychiatric disorders in children. Our secondaryaim was to elucidate which of the anthropometric parameters or metabolic components were most strongly associated with psychiatric disorders. METHODS: The study included 88 obese(OB)and overweight (OW) children with a body mass index (BMI) greater than 85th percentile...
May 23, 2018: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/29788487/the-effects-of-metformin-and-weight-loss-on-biomarkers-associated-with-breast-cancer-outcomes
#9
Ruth E Patterson, Catherine R Marinac, Dorothy D Sears, Jacqueline Kerr, Sheri J Hartman, Lisa Cadmus-Bertram, Adriana Villaseñor, Shirley W Flatt, Suneeta Godbole, Hongying Li, Gail A Laughlin, Jesica Oratowski-Coleman, Barbara A Parker, Loki Natarajan
Background: This study investigated the effects of metformin and weight loss on biomarkers associated with breast cancer prognosis. Methods: Overweight/obese postmenopausal breast cancer survivors (n = 333) were randomly assigned to metformin vs placebo and to a weight loss intervention vs control (ie, usual care). The 2 × 2 factorial design allows a single randomized trial to investigate the effect of two factors and interactions between them. Outcomes were changes in fasting insulin, glucose, C-reactive protein (CRP), estradiol, testosterone, and sex-hormone binding globulin (SHBG)...
May 18, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29787870/oral-hydroxysafflor-yellow-a-reduces-obesity-in-mice-by-modulating-the-gut-microbiota-and-serum-metabolism
#10
Juan Liu, Shijun Yue, Zhirui Yan, Wuwen Feng, Xintong Meng, Aiting Wang, Cheng Peng, Changyun Wang, Dan Yan
Given the high and increasing prevalence of obesity, the safe and effective treatment of obesity would be beneficial. Here, we examined whether oral hydroxysafflor yellow A (HSYA), an active compound from the dried florets of Carthamus tinctorius L., can reduce high-fat (HF) diet-induced obesity in C57BL/6 J mice. Our results showed that the average body weight of HF group treated by HSYA was significantly lower than that of the HF group (P < 0.01). HSYA also reduced fat accumulation, ameliorated insulin resistance, restored glucose homeostasis, reduced inflammation, enhanced intestinal integrity, and increased short-chain fatty acids ((SCFAs)) production in HF diet-fed mice...
May 19, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29787639/detergent-assisted-sample-preparation-for-maldi-ms-investigation-of-octylglucoside-and-docecylmaltoside-for-matrix-crystallization-on-plate-digestion-and-trypsin-activity
#11
Michael Rühl, Stefan Schönborn, Michael Karas
We show an easy and fast method for improved detection of lipophilic peptides with MALDI-MS utilizing the non-ionic detergents n-octylglucoside and n-dodecylmaltoside (laurylmaltoside). Investigations comprised on-plate digestion of proteins with trypsin, detergent effects on the protease trypsin and the changes in MALDI matrix crystallization. Investigations also exhibited a higher tryptic activity in trypsin activity assay of 139 % when using laurylmaltoside as supplement. Crystallization changed towards a more homogeneous crystal distribution and especially trypsinized insulin spectra recorded with MALDI-MS showed improved detectability of lipophilic peptides...
May 22, 2018: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/29787231/glucose-and-h2o2-responsive-polymeric-vesicles-integrated-with-microneedle-patches-for-glucose-sensitive-transcutaneous-delivery-of-insulin-in-diabetic-rats
#12
Zaizai Tong, Junyi Zhou, Jiaxing Zhong, Qiuju Tang, Zhentao Lei, Haipeng Luo, Pianpian Ma, XiangDong Liu
Herein, a dual-responsive insulin delivery device by integrating glucose- and H2O2-responsive polymeric vesicles (PVs) with transcutaneous microneedles (MNs) has been designed. This novel microneedle delivery device achieves a goal of a fast response, excellent biocompatibility and painless administration. The PVs are self-assembled from a triblock copolymer involving with polyethylene glycol (PEG), poly(phenylboronic acid) (PPBA, glucose-sensitive block) and poly(phenylboronic acid pinacol ester) (PPBEM, H2O2-sensitive block)...
May 22, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29786448/serum-rbp4-positively-correlates-with-triglyceride-level-but-not-with-bmi-fat-mass-and-insulin-resistance-in-healthy-obese-and-non-obese-individuals
#13
Emilia Korek, Magdalena Gibas-Dorna, Zuzanna Chęcińska-Maciejewska, Hanna Krauss, Małgorzata Łagiedo-Żelazowska, Barbara Kołodziejczak, Paweł Bogdański
PURPOSE: Retinol binding protein 4 (RBP4) has recently been identified as an adipokine possibly involved in the development of impaired glucose metabolism. We aimed to test serum RBP4 in healthy non-obese individuals and in patients with well-characterized phenotype: obesity without confounding effects of diabetes, metabolic syndrome or dyslipidemia. Additionally, we examined whether serum RBP4 is associated with anthropometric parameters, insulin resistance and blood lipid parameters...
May 22, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29785837/more-patients-reach-glycaemic-control-with-fixed-ratio-combination-of-insulin-glargine-and-lixisenatide-iglarlixi-than-with-basal-insulin-at-12-weeks-of-treatment-a-post-hoc-time-to-control-analysis-of-lixilan-o-and-lixilan-l
#14
Juan Frias, Manuel Puig Domingo, Luigi Meneghini, Raffaele Napoli, Minzhi Liu, Erika Soltes Rak, Vanita R Aroda
This post hoc analysis of two 30-week clinical trials compared efficacy and hypoglycaemia outcomes at early study visits with iGlarLixi (insulin glargine U100 [iGlar] and lixisenatide) vs iGlar alone in patients with type 2 diabetes (T2D) uncontrolled on oral antidiabetic drugs (OADs; LixiLan-O) or basal insulin (LixiLan-L). Time to control, defined as days to achieve glycated haemoglobin (HbA1c) <7% or fasting plasma glucose (FPG) ≤7.2 mmol/L, was estimated using the Kaplan-Meier method. In LixiLan-O and -L, 60% and 46% of patients, respectively, reached HbA1c <7% with iGlarLixi at 12 weeks, vs 45% and 24%, respectively, with iGlar...
May 21, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29785210/adipose-tissue-derived-cytokines-and-their-correlations-with-clinical-characteristics-in-vietnamese-patients-with-type-2-diabetes-mellitus
#15
Nguyen Linh Toan, Nguyen Van Hoan, Doan Viet Cuong, Nguyen Viet Dung, Phan The Dung, Ngo Thu Hang, Do Thi Huyen Dieu, Dang Thanh Chung, Ho Anh Son, Pham Xuan Phong, George Binh Lenon, Doan Van De, Hoang Van Tong
Background: Adipokines are involved in the pathogenesis of metabolic disorders including obesity and type 2 diabetes mellitus (T2DM). This study investigates the levels of leptin, resistin, visfatin, secreted frizzled-related protein 5 (SFRP5), monocyte chemoattractant protein-1 (MCP-1) and retinol-binding protein 4 (RBP4) and their correlations with clinical parameters of overweight and T2DM. Methods: We recruited overweight 50 patients with T2DM, 88 non-overweight patients with T2DM, 29 overweight and 100 non-overweight individuals devoid of T2DM for this study...
2018: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/29785132/influence-of-fto-rs9939609-polymorphism-on-appetite-ghrelin-leptin-il6-tnf%C3%AE-levels-and-food-intake-of-women-with-morbid-obesity
#16
Fernanda Cristina Carvalho Mattos Magno, Helena Chrispim Guaraná, Ana Carolina Proença Fonseca, Giselda Maria Kalil Cabello, João Régis Ivar Carneiro, Aline Pereira Pedrosa, Ana Carolina Ximenes, Eliane Lopes Rosado
Background: The fat mass and obesity-related ( FTO ) gene has a strong relationship with obesity, extreme obesity and inflammatory state, and may also be associated with food intake regulation. Objective: The aim of the present study was to evaluate the influence of the rs9939609 single-nucleotide polymorphism of the FTO gene on appetite, ghrelin, leptin, interleukin 6 (IL6), tumor necrosis factor α (TNFα) levels and food intake of morbidly obese women. Materials and methods: The study comprised 70 women, aged between 20 and 48 years, from Rio de Janeiro, Brazil...
2018: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/29785114/convenient-food-made-of-extruded-adzuki-bean-attenuates-inflammation-and-improves-glycemic-control-in-patients-with-type-2-diabetes-a-randomized-controlled-trial
#17
Yanping Liu, Qiyan Wang, Shanshan Li, Yanfen Yue, Yuling Ma, Guixing Ren
Objective: Extrusion is a widely used food processing technology. The aim of this study was to investigate the effects of extruded adzuki bean convenient food (EABCF) on glycemic and inflammation control in type 2 diabetes mellitus (T2DM) patients. Patients and methods: In a randomized controlled trial, 120 T2DM patients were randomly assigned to a control diet group (the low glycemic index [LGI] group, assigned the traditional diabetic low glycemic index diet) or an intervention group (the EABCF group, assigned daily consumption of EABCF)...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29782556/the-effects-of-probiotics-supplementation-on-metabolic-health-in-pregnant-women-an-evidence-based-meta-analysis
#18
Jia Zheng, Qianyun Feng, Sheng Zheng, Xinhua Xiao
The prevalence of maternal obesity and gestational diabetes mellitus (GDM) is increasing rapidly. Probiotics supplementation have been shown to improve metabolic health in humans. In our study, we aimed to evaluate the effects of probiotics supplementation on metabolic health and pregnancy complications in pregnant women. The literature search, data extraction and quality assessment were performed, and data were synthesized in accordance with standardized guidelines. Ten randomized clinical trials with eligible data were included in our meta-analysis...
2018: PloS One
https://www.readbyqxmd.com/read/29782186/excessive-erythrocytosis-and-cardiovascular-risk-in-andean-highlanders
#19
Noemí Corante, Cecilia Anza-Ramírez, Rómulo Figueroa-Mujíca, José Luis Macarlupú, Gustavo Vizcardo-Galindo, Grzegorz Bilo, Gianfranco Parati, Jorge L Gamboa, Fabiola León-Velarde, Francisco C Villafuerte
Cardiovascular diseases are the main cause of death worldwide. Life under high-altitude (HA) hypoxic conditions is believed to provide highlanders with a natural protection against cardiovascular and metabolic diseases compared with sea-level inhabitants. However, some HA dwellers become intolerant to chronic hypoxia and develop a progressive incapacitating syndrome known as chronic mountain sickness (CMS), characterized by excessive erythrocytosis (EE; Hb ≥21 g/dL in men, Hb ≥19 g/dL in women). Evidence from HA studies suggests that, in addition to CMS typical signs and symptoms, these highlanders may also suffer from metabolic and cardiovascular disorders...
May 21, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/29781243/the-effects-of-probiotic-supplements-on-insulin-resistance-in-gestational-diabetes-mellitus-a-double-blind-randomized-controlled-trial
#20
Athasit Kijmanawat, Panyu Panburana, Sirimon Reutrakul, Chayada Tangshewinsirikul
OBJECTIVE: To evaluate the effect of probiotic supplements on insulin resistance in pregnant women with diet-controlled gestational diabetes mellitus. MATERIALS AND METHODS: A randomized, double-blind, placebo-controlled trial was conducted between June 2016 and February 2017. Pregnant women with diet-controlled gestational diabetes mellitus were enrolled in the study at 24-28 weeks of gestation and randomized to receive either probiotic supplements containing Bifidobacterium and Lactobacillus or placebo daily for four consecutive weeks...
May 20, 2018: Journal of Diabetes Investigation
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