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Improved insulin sensitivity

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https://www.readbyqxmd.com/read/28087555/associations-of-reallocating-sitting-time-into-standing-or-stepping-with-glucose-insulin-and-insulin-sensitivity-a-cross-sectional-analysis-of-adults-at-risk-of-type-2-diabetes
#1
Charlotte L Edwardson, Joe Henson, Danielle H Bodicoat, Kishan Bakrania, Kamlesh Khunti, Melanie J Davies, Thomas Yates
OBJECTIVE: To quantify associations between sitting time and glucose, insulin and insulin sensitivity by considering reallocation of time into standing or stepping. DESIGN: Cross-sectional. SETTING: Leicestershire, UK, 2013. PARTICIPANTS: Adults aged 30-75 years at high risk of impaired glucose regulation (IGR) or type 2 diabetes. 435 adults (age 66.8±7.4 years; 61.7% male; 89.2% white European) were included. METHODS: Participants wore an activPAL3 monitor 24 hours/day for 7 days to capture time spent sitting, standing and stepping...
January 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28086952/glucagon-like-peptide-1-analogues-an-efficient-therapeutic-option-for-the-severe-insulin-resistance-of-lipodystrophic-syndromes-two-case-reports
#2
Joana Oliveira, Eva Lau, Davide Carvalho, Paula Freitas
BACKGROUND: Lipodystrophic syndromes are uncommon medical conditions which are normally associated with metabolic disorders, such as diabetes mellitus, dyslipidemia, and fatty liver disease. These complications are generally difficult to treat, particularly diabetes, due to severe insulin resistance. We present two case reports of successful treatment of diabetes with glucagon-like peptide-1 analogues in patients with clinical features of lipodystrophic syndromes. CASE PRESENTATION: Two white women aged 49 and 60 years manifested marked central body fat deposition with severe lipoatrophy of their limbs and buttocks and pronounced acanthosis nigricans...
January 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28079384/hypoxia-and-h2o2-dual-sensitive-vesicles-for-enhanced-glucose-responsive-insulin-delivery
#3
Jicheng Yu, Chenggen Qian, Yuqi Zhang, Zheng Cui, Yong Zhu, Qundong Shen, Frances S Ligler, John B Buse, Zhen Gu
A glucose-responsive closed-loop insulin delivery system mimicking pancreas activity without long-term side effect has the potential to improve diabetic patients' health and quality of life. Here, we developed a novel glucose-responsive insulin delivery device using a painless microneedle-array patch containing insulin-loaded vesicles. Formed by self-assembly of hypoxia and H2O2 dual-sensitive diblock copolymer, the glucose-responsive polymersome-based vesicles (d-GRPs) can disassociate and subsequently release insulin triggered by H2O2 and hypoxia generated during glucose oxidation catalyzed by glucose specific enzyme...
January 12, 2017: Nano Letters
https://www.readbyqxmd.com/read/28074635/physician-step-prescription-and-monitoring-to-improve-arterial-health-smarter-a-randomized-controlled-trial-in-type-2-diabetes-and-hypertension
#4
Kaberi Dasgupta, Ellen Rosenberg, Lawrence Joseph, Alexandra B Cooke, Luc Trudeau, Simon L Bacon, Deborah Chan, Mark Sherman, Rémi Rabasa-Lhoret, Stella S Daskalopoulou
AIMS: There are few strategies proven to enhance physical activity and cardiometabolic profiles in type 2 diabetes and hypertension. We examined the effects of physician-delivered step count prescriptions and monitoring. METHODS: Participants randomized to the active arm were provided with pedometers and recorded step counts. Over a 1-year period, their physicians reviewed their records and provided a written step count prescription at each clinic visit. The overall goal was a 3,000 step/day increase over 1-year (individualized rate of increase)...
January 11, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28074253/c-abl-inhibition-mitigates-diet-induced-obesity-through-improving-insulin-sensitivity-of-subcutaneous-fat-in-mice
#5
Rong Wu, Jian-Guang Sun, Ji-Qiu Wang, Binhua Li, Qingsong Liu, Guang Ning, Wanzhu Jin, Zengqiang Yuan
AIMS/HYPOTHESIS: High-energy diets are among the main causes of the global epidemic of metabolic disorders, including obesity and type 2 diabetes. The mechanisms of high-energy-diet-induced metabolic disorders are complex and largely unknown. The non-receptor tyrosine kinase c-Abl plays an important role in adipogenesis in vitro but its role in vivo in the regulation of metabolism is still elusive. Hence, we sought to address the role of c-Abl in diet-induced obesity and obesity-associated insulin resistance...
January 10, 2017: Diabetologia
https://www.readbyqxmd.com/read/28073935/brain-structure-and-function-associated-with-younger-adults-in-growth-hormone-receptor-deficient-humans
#6
Kaoru Nashiro, Jaime Guevara-Aguirre, Meredith N Braskie, George W Hafzalla, Rico Velasco, Priya Balasubramian, Min Wei, Paul M Thompson, Mara Mather, Marvin D Nelson, Alexandra Guevara, Enrique Teran, Valter D Longo
: Growth hormone receptor deficiency (GHRD) results in short stature, enhanced insulin sensitivity, and low circulating levels of insulin and insulin-like growth factor 1 (IGF-1). Previous studies in mice and humans suggested that GHRD has protective effects against age-related diseases, including cancer and diabetes. Whereas GHRD mice show improved age-dependent cognitive performance, the effect of GHRD on human cognition remains unknown. Using magnetic resonance imaging (MRI), we compared brain structure, function, and connectivity between 13 people with GHRD and 12 unaffected relatives...
January 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28073685/obesity-is-the-main-determinant-of-insulin-resistance-more-than-the-circulating-pro-inflammatory-cytokines-levels-in-rheumatoid-arthritis-patients
#7
Jesus Castillo-Hernandez, Martha Imelda Maldonado-Cervantes, Juan Pablo Reyes, Nuria Patiño-Marin, Enrique Maldonado-Cervantes, Claudia Solorzano-Rodriguez, Esperanza de la Cruz Mendoza, Brenda Alvarado-Sanchez
BACKGROUND: Systemic blockade of TNF-α in Rheumatoid arthritis (RA) with insulin resistance (IR) seems to produce more improvement in insulin sensitivity in normal weight patients with RA than in obese patients with RA, suggesting that systemic-inflammation and obesity are independent risk factors for IR in RA patients. OBJECTIVES: To evaluate the insulin resistance in: normal weight patients with RA (RA NW), overweight patients with RA (RA OW), obese RA patients (RA OB), and matched control subjects with normal weight (NW) and obesity (OB); and its association with major cytokines involved in the pathogenesis of the disease...
December 20, 2016: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/28073129/alternative-treatment-strategies-in-women-poorly-tolerating-moderate-doses-of-bromocriptine
#8
Robert Krysiak, Witold Szkróbka, Bogusław Okopień
Background: Metformin as well as dopaminergic agents exert a beneficial effect on glucose and lipid metabolism, often impaired in patients with hyperprolactinemia. Objective: The aim of this study was to compare metabolic- and prolactin-lowering effects of low-dose bromocriptine/metformin combination therapy and cabergoline in patients with elevated prolactin levels. Methods: The study included 27 women with hyperprolactinemia and impaired glucose tolerance who were treated with moderate doses of bromocriptine but experienced adverse effects of this treatment...
January 10, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28073125/osteocalcin-improves-metabolic-profiles-body-composition-and-arterial-stiffening-in-an-induced-diabetic-rat-model
#9
Lingning Huang, Liyong Yang, Li Luo, Peiwen Wu, Sunjie Yan
Recent studies have demonstrated the benefits of osteocalcin (OCN) on glucose homeostasis and metabolic dysregulation. However, its role in body composition and vascular function remains unknown. This study was designed to examine changes in metabolic parameters and body composition as well as arterial stiffness after OCN treatment in type 2 diabetic rats. Adult male Sprague Dawley (SD) rats were fed chow or high fat diet (HFD) for 8 weeks, and then diabetes was induced with an injection of low-dose streptozotocin (STZ) and treated daily with intraperitoneal injections of OCN for 12 weeks...
January 10, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28072841/a-small-insulinomimetic-molecule-also-improves-insulin-sensitivity-in-diabetic-mice
#10
Sandip Mukherjee, Mrittika Chattopadhyay, Sushmita Bhattacharya, Suman Dasgupta, Sahid Hussain, Saitanya K Bharadwaj, Dhrubajyoti Talukdar, Abul Usmani, Bhola S Pradhan, Subeer S Majumdar, Pronobesh Chattopadhyay, Satinath Mukhopadhyay, Tushar K Maity, Mihir K Chaudhuri, Samir Bhattacharya
Dramatic increase of diabetes over the globe is in tandem with the increase in insulin requirement. This is because destruction and dysfunction of pancreatic β-cells are of common occurrence in both Type1 diabetes and Type2 diabetes, and insulin injection becomes a compulsion. Because of several problems associated with insulin injection, orally active insulin mimetic compounds would be ideal substitute. Here we report a small molecule, a peroxyvanadate compound i.e. DmpzH[VO(O2)2(dmpz)], henceforth referred as dmp, which specifically binds to insulin receptor with considerable affinity (KD-1...
2017: PloS One
https://www.readbyqxmd.com/read/28070639/effects-of-a-diet-rich-in-arabinoxylan-and-resistant-starch-compared-with-a-diet-rich-in-refined-carbohydrates-on-postprandial-metabolism-and-features-of-the-metabolic-syndrome
#11
Anne Grethe Schioldan, Søren Gregersen, Stine Hald, Ann Bjørnshave, Mette Bohl, Bolette Hartmann, Jens Juul Holst, Hans Stødkilde-Jørgensen, Kjeld Hermansen
PURPOSE: Low intake of dietary fibre is associated with the development of type 2 diabetes. Dyslipidaemia plays a key role in the pathogenesis of type 2 diabetes. Knowledge of the impact of dietary fibres on postprandial lipaemia is, however, sparse. This study aimed in subjects with metabolic syndrome to assess the impact on postprandial lipaemia and features of the metabolic syndrome of a healthy carbohydrate diet (HCD) rich in cereal fibre, arabinoxylan and resistant starch compared to a refined-carbohydrate western-style diet (WSD)...
January 9, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28070499/metabolic-relationship-between-diabetes-and-alzheimer-s-disease-affected-by-cyclo-his-pro-plus-zinc-treatment
#12
REVIEW
Moon K Song, David S Bischoff, Albert M Song, Koichi Uyemura, Dean T Yamaguchi
BACKGROUND: Association of Alzheimer's Disease (AD) with Type 2 Diabetes (T2D) has been well established. Cyclo(His-Pro) plus zinc (Cyclo-Z) treatment ameliorated diabetes in rats and similar improvements have been seen in human patients. Treatment of amyloid precursor protein (APP) transgenic mice with Cyclo-Z exhibited memory improvements and significantly reduced Aβ-40 and Aβ-42 protein levels in the brain tissues of the mice. SCOPE OF REVIEW: Metabolic relationship between AD and T2D will be described with particular attention to insulin sensitivity and Aβ degradation in brain and plasma tissues...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28069054/the-effect-of-a-novel-probiotic-on-metabolic-biomarkers-in-adults-with-prediabetes-and-recently-diagnosed-type-2-diabetes-mellitus-study-protocol-for-a-randomized-controlled-trial
#13
Talia Palacios, Luis Vitetta, Samantha Coulson, Claire D Madigan, Gareth S Denyer, Ian D Caterson
BACKGROUND: Shifts in the gastrointestinal microbiome have been shown to contribute to the progression of metabolic diseases including prediabetes and type 2 diabetes mellitus. Research suggests that in-vivo modulation of the gut microbiome by specific probiotic microorganisms may improve insulin sensitivity and blood sugar management, preventing or delaying the development of type 2 diabetes mellitus. However, further research is needed to understand the effect of probiotics as a therapy for the treatment of metabolic diseases...
January 9, 2017: Trials
https://www.readbyqxmd.com/read/28068222/long-term-administration-of-nicotinamide-mononucleotide-mitigates-age-associated-physiological-decline-in-mice
#14
Kathryn F Mills, Shohei Yoshida, Liana R Stein, Alessia Grozio, Shunsuke Kubota, Yo Sasaki, Philip Redpath, Marie E Migaud, Rajendra S Apte, Koji Uchida, Jun Yoshino, Shin-Ichiro Imai
NAD(+) availability decreases with age and in certain disease conditions. Nicotinamide mononucleotide (NMN), a key NAD(+) intermediate, has been shown to enhance NAD(+) biosynthesis and ameliorate various pathologies in mouse disease models. In this study, we conducted a 12-month-long NMN administration to regular chow-fed wild-type C57BL/6N mice during their normal aging. Orally administered NMN was quickly utilized to synthesize NAD(+) in tissues. Remarkably, NMN effectively mitigates age-associated physiological decline in mice...
December 13, 2016: Cell Metabolism
https://www.readbyqxmd.com/read/28067302/effects-of-alcohol-abstinence-on-glucose-metabolism-in-japanese-men-with-elevated-fasting-glucose-a-pilot-study
#15
Takashi Funayama, Yoshifumi Tamura, Kageumi Takeno, Minako Kawaguchi, Saori Kakehi, Takahiro Watanabe, Yasuhiko Furukawa, Hideyoshi Kaga, Risako Yamamoto, Akio Kanazawa, Yoshio Fujitani, Ryuzo Kawamori, Hirotaka Watada
It has been demonstrated that moderate alcohol consumption provides protection against the development of type 2 diabetes. However, several other reports suggested that moderate alcohol intake may increase the risk of type 2 diabetes in non-obese Japanese. The aim of present study was to investigate the effect of 1-week alcohol abstinence on hepatic insulin sensitivity and fasting plasma glucose (FPG) in non-obese Japanese men. We recruited 8 non-obese Japanese men with mildly elevated FPG and drinking habits alcohol (mean frequency; 5...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28063503/does-oral-glutamine-improve-insulin-sensitivity-in-adolescents-with-type-1-diabetes
#16
Lournaris Torres-Santiago, Nelly Mauras, Jobayer Hossain, Arthur L Weltman, Dominique Darmaun
OBJECTIVE: The decline in insulin sensitivity (SI) associated with puberty increases the difficulty of achieving glycemic control in adolescents with type 1 diabetes (T1D). The aim of this study was to determine whether glutamine supplementation affects blood glucose by enhancing SI in adolescents with T1D. METHODS: Thirteen adolescents with T1D (HbA1C 8.2 ± 0.1%) were admitted to perform afternoon exercise (four 15-min treadmill/5-min rest cycles of exercise) on two occasions within a 4-wk period...
February 2017: Nutrition
https://www.readbyqxmd.com/read/28062618/use-of-biomarkers-in-predicting-the-onset-monitoring-the-progression-and-risk-stratification-for-patients-with-type-2-diabetes-mellitus
#17
REVIEW
Benjamin M Scirica
BACKGROUND: As the worldwide prevalence of type 2 diabetes mellitus (T2DM) increases, it is even more important to develop cost-effective methods to predict and diagnose the onset of diabetes, monitor progression, and risk stratify patients in terms of subsequent cardiovascular and diabetes complications. CONTENT: Nonlaboratory clinical risk scores based on risk factors and anthropomorphic data can help identify patients at greatest risk of developing diabetes, but glycemic indices (hemoglobin A1c, fasting plasma glucose, and oral glucose tolerance tests) are the cornerstones for diagnosis, and the basis for monitoring therapy...
January 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28059465/rosmarinic-acid-mediates-mitochondrial-biogenesis-in-insulin-resistant-skeletal-muscle-through-activation-of-ampk
#18
Govindaraj Jayanthy, Vellai Roshana Devi, Kaliappan Ilango, Sorimuthu Pillai Subramanian
Rosmarinic acid (RA), a polyphenol, is known to improve hepatic insulin sensitivity in experimental type 2 diabetes. However, its effect on skeletal muscle insulin resistance is meagerly understood. The present study was aimed to investigate the upstream and downstream mediators of the molecular targets of RA in attenuating insulin resistance in the skeletal muscle both in vivo and in vitro. We found that supplementation of RA increased the expression of key genes involved in the mitochondrial biogenesis like PGC-1α, SIRT-1 and TFAM via activation of AMPK in the skeletal muscle of insulin resistant rats as well as in L6 myotubes...
January 6, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28054648/niclosamide-reduces-glucagon-sensitivity-via-hepatic-pka-inhibition-in-obese-mice-implications-for-glucose-metabolism-improvements-in-type-2-diabetes
#19
Md Kamrul Hasan Chowdhury, Nigel Turner, Nicholas L Bentley, Abhirup Das, Lindsay E Wu, Dulama Richani, Sonia Bustamante, Robert B Gilchrist, Margaret J Morris, Peter R Shepherd, Greg C Smith
Type 2 diabetes (T2D) is a global pandemic. Currently, the drugs used to treat T2D improve hyperglycemic symptom of the disease but the underlying mechanism causing the high blood glucose levels have not been fully resolved. Recently published data showed that salt form of niclosamide improved glucose metabolism in high fat fed mice via mitochondrial uncoupling. However, based on our previous work we hypothesised that niclosamide might also improve glucose metabolism via inhibition of the glucagon signalling in liver in vivo...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28053672/serotonin-improves-glucose-metabolism-by-serotonylation-of-the-small-gtpase-rab4-in-l6-skeletal-muscle-cells
#20
Ramona Al-Zoairy, Michael T Pedrini, Mohammad Imran Khan, Julia Engl, Alexander Tschoner, Christoph Ebenbichler, Gerhard Gstraunthaler, Karin Salzmann, Rania Bakry, Andreas Niederwanger
BACKGROUND: Serotonin (5-HT) improves insulin sensitivity and glucose metabolism, however, the underlying molecular mechanism has remained elusive. Previous studies suggest that 5-HT can activate intracellular small GTPases directly by covalent binding, a process termed serotonylation. Activated small GTPases have been associated with increased GLUT4 translocation to the cell membrane. Therefore, we investigated whether serotonylation of small GTPases may be involved in improving Insulin sensitivity and glucose metabolism...
2017: Diabetology & Metabolic Syndrome
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