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https://www.readbyqxmd.com/read/28545248/ephedra-treated-donor-derived-gut-microbiota-transplantation-ameliorates-high-fat-diet-induced-obesity-in-rats
#1
Jing-Hua Wang, Bong-Soo Kim, Kyungsun Han, Hojun Kim
Changes in gut microbiota (GM) are closely associated with metabolic syndrome, obesity, type 2 diabetes and so on. Several medicinal herbs, including Ephedra sinica (Es), have anti-obesity effects that ameliorate metabolic disorders. Therefore, in this study we evaluated whether Es maintains its anti-obesity effect through Es-altered gut microbiota (EsM) transplantation. GM was isolated from cecal contents of Es treated and untreated rats following repeated transplants into obese rats via oral gavage over three weeks...
May 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28545081/perturbed-adipose-tissue-hydrogen-peroxide-metabolism-in-centrally-obese-men-association-with-insulin-resistance
#2
May G Akl, Eman Fawzy, Maha Deif, Ayman Farouk, Amany K Elshorbagy
OBJECTIVE: Although adipose tissue hydrogen peroxide (H2O2) and its metabolizing enzymes have been linked to obesity and insulin resistance in animal studies, this relation remains to be evaluated in humans. METHODS: Non-diabetic men (N = 43, median age, 49 (37, 54 y)) undergoing abdominal surgeries were studied. Participants were classified by body mass index (BMI) into normal-weight (N = 19), or overweight/obese (Ow/Ob; BMI ≥25; N = 24). Centrally obese men were identified by waist-height ratio ≥0...
2017: PloS One
https://www.readbyqxmd.com/read/28544644/%C3%AE-cell-function-in-postmenopausal-women-with-isolated-postchallenge-hyperglycemia
#3
Chii-Min Hwu, Yi-Chun Lin, Kuan-Hung Lin
BACKGROUND: Isolated postchallenge hyperglycemia (IPH) is an early stage of type 2 diabetes mellitus (T2DM) with fasting glucose < 126 mg/dL and 2 h glucose ≥ 200 mg/dL. Observations of insulin secretion profile in subjects with IPH may provide insight to the pathogenesis of T2DM in older women. METHODS: We recruited 555 naturally postmenopausal women without a history of T2DM for this study. All participants received a 75 g oral glucose tolerance test to examine if they had IPH...
May 22, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/28544229/clinical-heterogeneity-of-type-1-diabetes-t1d-found-in-asia
#4
REVIEW
Yongsoo Park, Kupper A Wintergerst, Zhiguang Zhou
Diabetes mellitus among young patients in Asia is caused by a complex set of factors. Although T1D remains the most common form of diabetes in children, the recent unabated increase in obesity has resulted in the emergence of T2D as a new type of diabetes at adolescent and young adult age. In addition to the typical autoimmune type 1 diabetes (T1aD) and type 2 diabetes (T2D) patients, there is a variable incidence of cases of non-autoimmune types of T1D associated with insulin deficiency (T1bD). Additional forms have been described, including fulminant T1D (FT1D)...
May 19, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28544202/breaking-up-sedentary-time-with-seated-upper-body-activity-can-regulate-metabolic-health-in-obese-high-risk-adults-a-randomised-crossover-trial
#5
Matthew McCarthy, Charlotte L Edwardson, Melanie J Davies, Joseph Henson, Alex Rowlands, James King, Danielle H Bodicoat, Kamlesh Khunti, Thomas Yates
AIMS: To investigate the impact of performing short bouts of seated upper body activity on postprandial blood glucose and insulin levels during prolonged sitting. MATERIALS AND METHODS: Participants undertook two 7 · 5 hour experimental conditions in a randomised order: 1) prolonged sitting only 2) sitting interspersed with 5 minutes of seated arm ergometry every 30 minutes. Blood samples were obtained while fasting and throughout the postprandial period following ingestion of two standardised meals...
May 23, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28544147/short-term-fasting-promotes-insulin-expression-in-rat-hypothalamus
#6
Tamara B Dakic, Tanja V Jevdjovic, Mina I Peric, Ivana M Bjelobaba, Milica B Markelic, Bojana S Milutinovic, Iva V Lakic, Nebojsa I Jasnic, Jelena D Djordjevic, Predrag Z Vujovic
In the hypothalamus, insulin takes on many roles involved in energy homeostasis. Therefore the aim of this study was to examine hypothalamic insulin expression during the initial phase of the metabolic response to fasting. Hypothalamic insulin content was assessed by both radioimmunoassay and western blot. The relative expression of insulin mRNA was examined by q PCR. Immunofluorescence and immunohistochemistry were used to determine the distribution of insulin immunopositivity in the hypothalamus. After six-hour fasting, both glucose and insulin levels were decreased in serum but not in the cerebrospinal fluid...
May 20, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28544032/prevalence-of-diabetes-mellitus-in-chinese-children-with-thalassaemia-major
#7
Yuzhen Liang, Rekha Bajoria, Yan Jiang, Hongwei Su, Hongfei Pan, Ning Xia, Ratna Chatterjee, Yongrong Lai
OBJECTIVE: Diabetes mellitus is a common endocrinopathy in patients with β-thalassaemia major (β-TM), which is high prevalent in southern China. This study aimed to determine the cause and prevalence of glycaemic disorders in Chinese children with β-TM. METHODS: In this prospective study, fasting glucose and insulin (FINS) levels were assessed in 267 β-TM and 80 non-TM control children. Homeostatic model assessment (HOMA) and the quantitative insulin sensitivity check index (QUICKI) were evaluated...
May 22, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28543550/polycystic-ovary-morphology-is-associated-with-insulin-resistance-in-women-with-polycystic-ovary-syndrome
#8
So-Hyeon Hong, Yeon-Ah Sung, Young Sun Hong, Kyungah Jeong, Hyewon Chung, Hyejin Lee
BACKGROUND/OBJECTIVES: Polycystic ovary syndrome (PCOS) is a heterogeneous disorder characterised by chronic anovulation, hyperandrogenenism, polycystic ovary morphology (PCOM), and metabolic disturbances including insulin resistance and type 2 diabetes mellitus. Although insulin resistance could be associated with PCOM, recent studies have shown controversial results. The aim of this study was to determine the relationship between PCOM and insulin resistance. SUBJECTS/METHODS: This was a cross-sectional clinical study...
May 20, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28543410/the-diagnosis-of-equine-insulin-dysregulation
#9
REVIEW
F R Bertin, M A de Laat
Insulin dysregulation is the hallmark of Equine Metabolic Syndrome and has received attention because of its direct association with laminitis. In the absence of an adequate treatment for laminitis, a focus on prophylaxis is needed, making early detection of individuals at risk of developing laminitis one of the main challenges in equine endocrinology. Recent studies have shown that insulin dysregulation goes beyond tissue insulin resistance and it is now demonstrated that the equine enteroinsular axis plays a major role in insulin secretion and equine hyperinsulinaemia...
May 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28543022/sedentary-behaviour-is-a-key-determinant-of-metabolic-inflexibility
#10
Corey A Rynders, Stephane Blanc, Nathan DeJong, Daniel H Bessesen, Audrey Bergouignan
Metabolic flexibility is defined as the ability to adapt substrate oxidation rates in response to changes in fuel availability. The inability to switch between the oxidation of lipid and carbohydrate appears to be an important feature of chronic disorders such as obesity and type 2 diabetes. Laboratory assessment of metabolic flexibility has traditionally involved measurement of the respiratory quotient (RQ) by indirect calorimetry during the fasted to fed transition (e.g. mixed meal challenge) or during a hyperinsulinemic-euglycemic clamp...
May 24, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28542631/concordance-of-bioactive-vs-total-immunoreactive-serum-leptin-levels-in-children-with-severe-early-onset-obesity
#11
Juraj Stanik, Jürgen Kratzsch, Kathrin Landgraf, Kathrin Scheuermann, Ulrike Spielau, Ruth Gausche, Daniela Gasperikova, Wieland Kiess, Antje Körner
CONTEXT: Leptin secreted from adipose tissue signals peripheral energy status to the brain. Monogenic leptin deficiency results in severe early onset obesity with hyperphagia. Recently, a similar phenotype of inactivating leptin mutations but with preserved immunoreactivity and hence normal circulating immunoreactive leptin has been reported. OBJECTIVE: We aimed to evaluate the proportion of bioactive leptin serum levels (compared to immunoreactive leptin) as a biomarker for the screening of leptin gene mutations causing monogenic obesity...
2017: PloS One
https://www.readbyqxmd.com/read/28542610/gpr40-partial-agonist-mk-2305-lower-fasting-glucose-in-the-goto-kakizaki-rat-via-suppression-of-endogenous-glucose-production
#12
Corin Miller, Michele J Pachanski, Melissa E Kirkland, Daniel T Kosinski, Joel Mane, Michelle Bunzel, Jin Cao, Sarah Souza, Brande Thomas-Fowlkes, Jerry Di Salvo, Adam B Weinglass, Xiaoyan Li, Robert W Myers, Kevin Knagge, Paul E Carrington, William K Hagmann, Maria E Trujillo
GPR40 (FFA1) is a fatty acid receptor whose activation results in potent glucose lowering and insulinotropic effects in vivo. Several reports illustrate that GPR40 agonists exert glucose lowering in diabetic humans. To assess the mechanisms by which GPR40 partial agonists improve glucose homeostasis, we evaluated the effects of MK-2305, a potent and selective partial GPR40 agonist, in diabetic Goto Kakizaki rats. MK-2305 decreased fasting glucose after acute and chronic treatment. MK-2305-mediated changes in glucose were coupled with increases in plasma insulin during hyperglycemia and glucose challenges but not during fasting, when glucose was normalized...
2017: PloS One
https://www.readbyqxmd.com/read/28542421/insulin-resistance-according-to-%C3%AE-cell-function-in-women-with-polycystic-ovary-syndrome-and-normal-glucose-tolerance
#13
Do Kyeong Song, Young Sun Hong, Yeon-Ah Sung, Hyejin Lee
BACKGROUND: Polycystic ovary syndrome (PCOS) is associated with insulin resistance (IR) and compensatory hyperinsulinemia. IR is recognized as a major risk factor for the development of type 2 diabetes mellitus. However, few studies have investigated IR in women with PCOS and normal glucose tolerance. The objective of this study was to evaluate IR and β-cell function in women with PCOS and normal glucose tolerance. Additionally, we sought to evaluate the usefulness of oral glucose tolerance test (OGTT)-derived IR indices in lean women with PCOS...
2017: PloS One
https://www.readbyqxmd.com/read/28541532/constitutive-activation-of-akt2-in-humans-leads-to-hypoglycemia-without-fatty-liver-or-metabolic-dyslipidemia
#14
Marina Minic, Nuno Rocha, Julie Harris, Matthijs P Groeneveld, Sarah Leiter, Nicholas Wareham, Alison Sleigh, Pascale De Lonlay, Khalid Hussain, Stephen O'Rahilly, Robert K Semple
Context: The activating p.Glu17Lys mutation in AKT2, a kinase mediating many of insulin's metabolic actions, causes hypoinsulinemic hypoglycemia and left-sided hemihypertrophy. The wider metabolic profile and longer term natural history of the condition has not yet been reported. Objective: To characterise the metabolic and cellular consequences of the AKT2 p.Glu17Lys mutation in two previously reported males at the age of 17 years. Design/intervention: Body composition analysis using dual energy X ray absorptiometry, overnight profiling of plasma glucose, insulin and fatty acids, oral glucose tolerance testing, and magnetic resonance spectroscopy to determine hepatic triglyceride content were undertaken...
May 23, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28541132/how-can-we-realize-the-clinical-benefits-of-continuous-glucose-monitoring
#15
Ramzi A Ajjan
Controlling glycemia in diabetes remains key to prevent complications in this condition. However, glucose levels can undergo large fluctuations secondary to daily activities, consequently creating management difficulties. The current review summarizes the basics of glucose management in diabetes by addressing the main glycemic parameters. The advantages and limitation of HbA1c, the gold standard measure of glucose control, are discussed together with the clinical importance of hypoglycemia and glycemic variability...
May 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28541073/symptoms-of-stress-and-depression-effect-percentage-of-body-fat-and-insulin-resistance-in-healthy-youth-look-longitudinal-study
#16
Lisa S Olive, Rohan M Telford, D G Byrne, Walter P Abhayaratna, Richard D Telford
OBJECTIVE: This study examined the longitudinal and cross-sectional effects of both psychosocial stress and depressive symptoms on insulin resistance and percentage body fat in a cohort of healthy Australian children, following them from childhood into adolescence. METHOD: Participants were 791 healthy, initially Grade 2 children (7-8 years; 394 girls), selected from the general community. Psychosocial stress was assessed using the Children's Stress Questionnaire, while depressive symptoms were assessed using the Children's Depression Inventory...
May 25, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28540919/myocardial-performance-index-for-patients-with-overt-and-subclinical-hypothyroidism
#17
Aziz Karabulut, Abdullah Doğan, Alpaslan Kemal Tuzcu
BACKGROUND Hypothyroid has several effects on the cardiovascular system. Global myocardial performance index (MPI) is used in assessment of both left ventricular (LV) systolic and diastolic function. We compared MPI in hypothyroidism patients vs. normal control subjects. MATERIAL AND METHODS Eighty-two hypothyroid patients were divided into 2 groups: a subclinical hypothyroid (SH) group (n=50), and an overt hypothyroid (OH) group (n=32). The healthy control group (CG) constituted of 37 patients. TSH, FT3, and FT4, anti-TPO, anti-TG, insulin, lipid values, and fasting glucose levels were studied...
May 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28540570/magnesium-supplementation-and-the-effects-on-wound-healing-and-metabolic-status-in-patients-with-diabetic-foot-ulcer-a-randomized-double-blind-placebo-controlled-trial
#18
Reza Razzaghi, Farangis Pidar, Mansooreh Momen-Heravi, Fereshteh Bahmani, Hossein Akbari, Zatollah Asemi
Hypomagnesemia is associated with the development of neuropathy and abnormal platelet activity, both of which are risk factors for diabetic foot ulcer (DFU). This study was carried out to evaluate the effects of magnesium administration on wound healing and metabolic status in subjects with DFU. This randomized, double-blind, placebo-controlled trial was performed among 70 subjects with grade 3 DFU. Subjects were randomly divided into two groups (35 subjects each group) to receive either 250 mg magnesium oxide supplements or placebo daily for 12 weeks...
May 24, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28540308/relationships-between-composition-of-major-fatty-acids-and-fat-distribution-and-insulin-resistance-in-japanese
#19
Chikako Fujii, Toshihide Kawai, Koichiro Azuma, Yuko Oguma, Fuminori Katsukawa, Hiroshi Hirose, Kumiko Tanaka, Shu Meguro, Hideo Matsumoto, Hiroshi Itoh
Objective. The aim of this study was to evaluate the relationships between the composition of free fatty acids (FFAs) and metabolic parameters, including body fat distribution, in Japanese. Methods. The study subjects were 111 Japanese patients (54 males, 57 females). Metabolic parameters and visceral and subcutaneous fat areas as determined by CT scanning at the umbilical level were measured. Glucose tolerance test (GTT) was performed by administering 75 g glucose orally. Results. The percentage of linoleic acid (C18:2), the greatest constituent among FFAs, was negatively correlated with visceral fat area (r = -0...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28540053/euglycaemic-ketoacidosis-in-a-non-diabetic-primigravida-following-an-appendicectomy
#20
Dinushi Dilanka Dikowita, Thirunavukarasu Kumanan, Kopalasuntharam Muhunthan, Janaki Arulmoli
Pregnancy creates significant alterations in energy metabolism which itself is a physiological adaptation to provide continuous flow of energy metabolites to the foetus. The state of insulin resistance created by hormonal changes in pregnancy enables free flow of glucose to the foetus and allows its absorption through facilitated diffusion. As glucose is preferentially available for the foetus, maternal fasting glucose level would be less than that of a non-pregnant state and in contrast plasma ketones and free fatty acids levels are elevated, resulting in a state of accelerated starvation...
2017: SAGE open medical case reports
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