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Insulin type diabetes

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https://www.readbyqxmd.com/read/29166590/interleukin-33-activated-islet-resident-innate-lymphoid-cells-promote-insulin-secretion-through-myeloid-cell-retinoic-acid-production
#1
Elise Dalmas, Frank M Lehmann, Erez Dror, Stephan Wueest, Constanze Thienel, Marcela Borsigova, Marc Stawiski, Emmanuel Traunecker, Fabrizio C Lucchini, Dianne H Dapito, Sandra M Kallert, Bruno Guigas, Francois Pattou, Julie Kerr-Conte, Pierre Maechler, Jean-Philippe Girard, Daniel Konrad, Christian Wolfrum, Marianne Böni-Schnetzler, Daniela Finke, Marc Y Donath
Pancreatic-islet inflammation contributes to the failure of β cell insulin secretion during obesity and type 2 diabetes. However, little is known about the nature and function of resident immune cells in this context or in homeostasis. Here we show that interleukin (IL)-33 was produced by islet mesenchymal cells and enhanced by a diabetes milieu (glucose, IL-1β, and palmitate). IL-33 promoted β cell function through islet-resident group 2 innate lymphoid cells (ILC2s) that elicited retinoic acid (RA)-producing capacities in macrophages and dendritic cells via the secretion of IL-13 and colony-stimulating factor 2...
November 21, 2017: Immunity
https://www.readbyqxmd.com/read/29166583/the-skinny-pancreatic-ilc2s-promote-insulin-secretion
#2
Kelly M Cautivo, Ari B Molofsky
Regulation of pancreatic insulin production is pivotal in the pathophysiology and treatment of diabetes. In this issue of Immunity, Dalmas et al. (2017) describe a type 2 immune circuit where pancreatic interleukin-33 (IL-33) promotes insulin secretion via the activity of islet-associated group 2 innate lymphoid cells (ILC2s).
November 21, 2017: Immunity
https://www.readbyqxmd.com/read/29166392/intestinal-ralstonia-pickettii-augments-glucose-intolerance-in-obesity
#3
Shanthadevi D Udayappan, Petia Kovatcheva-Datchary, Guido J Bakker, Stefan R Havik, Hilde Herrema, Patrice D Cani, Kristien E Bouter, Clara Belzer, Julia J Witjes, Anne Vrieze, Noor de Sonnaville, Alice Chaplin, Daniel H van Raalte, Steven Aalvink, Geesje M Dallinga-Thie, Hans G H J Heilig, Göran Bergström, Suzan van der Meij, Bart A van Wagensveld, Joost B L Hoekstra, Frits Holleman, Erik S G Stroes, Albert K Groen, Fredrik Bäckhed, Willem M de Vos, Max Nieuwdorp
An altered intestinal microbiota composition has been implicated in the pathogenesis of metabolic disease including obesity and type 2 diabetes mellitus (T2DM). Low grade inflammation, potentially initiated by the intestinal microbiota, has been suggested to be a driving force in the development of insulin resistance in obesity. Here, we report that bacterial DNA is present in mesenteric adipose tissue of obese but otherwise healthy human subjects. Pyrosequencing of bacterial 16S rRNA genes revealed that DNA from the Gram-negative species Ralstonia was most prevalent...
2017: PloS One
https://www.readbyqxmd.com/read/29165404/benefits-of-nut-consumption-on-insulin-resistance-and-cardiovascular-risk-factors-multiple-potential-mechanisms-of-actions
#4
REVIEW
Yoona Kim, Jennifer B Keogh, Peter M Clifton
Epidemiological and clinical studies have indicated that nut consumption could be a healthy dietary strategy to prevent and treat type 2 diabetes (T2DM) and related cardiovascular disease (CVD). The objective of this review is to examine the potential mechanisms of action of nuts addressing effects on glycemic control, weight management, energy balance, appetite, gut microbiota modification, lipid metabolism, oxidative stress, inflammation, endothelial function and blood pressure with a focus on data from both animal and human studies...
November 22, 2017: Nutrients
https://www.readbyqxmd.com/read/29165364/the-rosiglitazone-like-effects-of-vitexilactone-a-constituent-from-vitex-trifolia-l-in-3t3-l1-preadipocytes
#5
Atsuyoshi Nishina, Masaya Itagaki, Daisuke Sato, Hirokazu Kimura, Yasuaki Hirai, Nyunt Phay, Makoto Makishima
The increased number of patients with type 2 diabetes (T2D) has become a worldwide problem, and insulin sensitizers such as thiazolidinediones (TZDs) are used as therapeutic agents. We found that extracts of Vitex trifolia L. (V. trifolia), a medicinal plant from Myanmar, induced adipogenesis similar to rosiglitazone (ROS), which is a TZD, in 3T3-L1 preadipocytes. In the present study, we attempted to isolate from V. trifolia those compounds that showed ROS-like effects. Among the extracts of hexane, ethyl acetate, and methanol obtained from V...
November 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29165354/the-role-of-glucagon-like-peptide-1-glp1-in-type-3-diabetes-glp-1-controls-insulin-resistance-neuroinflammation-and-neurogenesis-in-the-brain
#6
REVIEW
Choon Sang Bae, Juhyun Song
Alzheimer's disease (AD), characterized by the aggregation of amyloid-β (Aβ) protein and neuroinflammation, is the most common neurodegenerative disease globally. Previous studies have reported that some AD patients show impaired glucose utilization in brain, leading to cognitive decline. Recently, diabetes-induced dementia has been called "type 3 diabetes", based on features in common with those of type 2 diabetes and the progression of AD. Impaired glucose uptake and insulin resistance in the brain are important issues in type 3 diabetes, because these problems ultimately aggravate memory dysfunction in the brain...
November 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29164973/an-indirect-treatment-comparison-of-the-efficacy-of-insulin-degludec-liraglutide-ideglira-and-insulin-glargine-lixisenatide-iglarlixi-in-patients-with-type-2-diabetes-uncontrolled-on-basal-insulin
#7
Marc Evans, Liana K Billings, Jonas Håkan-Bloch, Ulla Slothuus, Trine J Abrahamsen, Andreas Andersen, Jeroen P Jansen
AIMS: To obtain estimates of the relative treatment effects between insulin degludec/liraglutide (IDegLira) and insulin glargine U100/lixisenatide (iGlarLixi) in patients with type 2 diabetes mellitus (T2DM) uncontrolled on basal insulin therapy. MATERIALS AND METHODS: Data from phase 3 trials providing evidence for estimating the relative efficacy and safety of IDegLira versus iGlarLixi in patients uncontrolled on basal insulin-only regimens were used in this analysis...
November 22, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/29164512/individuals-with-type-1-and-type-2-diabetes-mellitus-trade-increased-hyperglycemia-for-decreased-hypoglycemia-when-glycemic-variability-is-not-improved
#8
Sujit R Jangam, Gary Hayter, Timothy C Dunn
INTRODUCTION: Glycemic variability refers to oscillations in blood glucose within a day and differences in blood glucose at the same time on different days. Glycemic variability is linked to hypoglycemia and hyperglycemia. The relationship among these three important metrics is examined here, specifically to show how reduction in both hypo- and hyperglycemia risk is dependent on changes in variability. METHODS: To understand the importance of glycemic variability in the simultaneous reduction of hypoglycemia and hyperglycemia risk, we introduce the glycemic risk plot-estimated HbA1c % (eA1c) vs...
November 21, 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/29164254/effect-of-oral-insulin-on-prevention-of-diabetes-in-relatives-of-patients-with-type-1-diabetes-a-randomized-clinical-trial
#9
Jeffrey P Krischer, Desmond A Schatz, Brian Bundy, Jay S Skyler, Carla J Greenbaum
Importance: Type 1 diabetes requires major lifestyle changes and carries increased morbidity and mortality. Prevention or delay of diabetes would have major clinical effect. Objective: To determine whether oral insulin delays onset of type 1 diabetes in autoantibody-positive relatives of patients with type 1 diabetes. Design, Setting, and Participants: Between March 2, 2007, and December 21, 2015, relatives with at least 2 autoantibodies, including insulin autoantibodies and normal glucose tolerance, were enrolled in Canada, the United States, Australia, New Zealand, the United Kingdom, Italy, Sweden, Finland, and Germany...
November 21, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29164153/sirt1-regulates-cognitive-performance-and-ability-of-learning-and-memory-in-diabetic-and-nondiabetic-models
#10
REVIEW
Yue Cao, Zi Yan, Tong Zhou, Guixia Wang
Type 2 diabetes mellitus is a complex age-related metabolic disease. Cognitive dysfunction and learning and memory deficits are main characteristics of age-related metabolic diseases in the central nervous system. The underlying mechanisms contributing to cognitive decline are complex, especially cognitive dysfunction associated with type 2 diabetes mellitus. SIRT1, as one of the modulators in insulin resistance, is indispensable for learning and memory. In the present study, deacetylation, oxidative stress, mitochondrial dysfunction, inflammation, microRNA, and tau phosphorylation are considered in the context of mechanism and significance of SIRT1 in learning and memory in diabetic and nondiabetic murine models...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29164077/glucose-variability-for-cardiovascular-risk-factors-in-type-2-diabetes-a-meta-analysis
#11
REVIEW
Shuang Liang, Hang Yin, Chunxiang Wei, Linjun Xie, Hua He, Xiaoquan Liu
Aims: It is consensus that glucose variability (GV) plays an important role in maccomplications of type 2 diabetes, but whether GV has a causal role is not yet clear for cardiovascular disease (CVD). This study sought to explore the effect on GV for CVD risk factors with type 2 diabetes. Methods: The systematic literature search was performed to identify all GV and CVD risk factors, including total cholesterol (TC), LDL cholesterol (LDL-C), triglyceride (TG), HDL cholesterol (HDL-C), Body Mass Index (BMI), waist circumference (WC), High-Sensitivity C-reactive protein (Hs-CRP), Homeostasis model assessment (HOMA) and carotid intima-media thickness (IMT)...
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/29163734/risk-of-obstructive-sleep-apnea-assessment-among-patients-with-type-2-diabetes-in-taif-saudi-arabia
#12
Reem Mohammed Noor Kalakattawi, Afnan Mohammed Noor Kalakattawi, Faisal Adel Alsuqati, Sultanh Abdullah Alzhrani, Abdulmohsen Hamad Alhamyani, Abdulaziz Hamad Alhamyani, Abrar Abdullah Al-Ghamdi, Ibtesam Mohammad Alosaimi, Salwa Ibrahim Abbas, Lojain AbdulAziz Al-Shehri, Abdulrahman Ahmad Alzahrani
Background: Obstructive sleep apnea (OSA) is a common condition in middle-aged persons worldwide. The major factor risk of this disease is obesity. Methods: A cross-sectional study was performed at King Abdul-Aziz Specialist Hospital. A STOP-BANG questionnaire formed of eight questions was used to assess the risk of OSA among type 2 diabetic patients. The scoring scale is categorized into three groups: low (0 - 2), intermediate (3 - 4) and high (5 - 8), respectively...
December 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29163733/can-antioxidative-status-be-involved-in-type-1-diabetes
#13
Cintia Castro-Correia, M Luz Maia, Sonia Norberto, Cristina Costa-Santos, M Fatima Barroso, Ana Carvalho, Manuel Fontoura, Valentina Domingues, Conceicao Calhau
Background: Type 1 diabetes mellitus (T1DM) is an autoimmune disease with beta-cell destruction, resulting in insulin deficiency. It is now clear that environmental factors also play a role in disease development. The prevalence of type 1 diabetes in children and young people in Portugal is 0.16% between 0 and 19 years of age. The main cause of death in T1DM is cardiovascular disease, and early endothelial dysfunction is its pathophysiologycal precursor. Hyperglycemia is associated with increased production of free radicals and increased oxidative stress...
December 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29163673/effects-of-pioglitazone-therapy-on-blood-parameters-weight-and-bmi-a-meta-analysis
#14
REVIEW
Elena Filipova, Katya Uzunova, Krassimir Kalinov, Toni Vekov
Background: Type 2 diabetes mellitus (T2DM) is one of the most common diseases worldwide and insulin insufficiency and insulin resistance are two main metabolic issues connected with it. The dyslipidemia associated with insulin resistance and T2DM is characterized by higher triglycerides (TGs), higher very-low-density lipoprotein cholesterol and lower apo A1. Pioglitazone, a member of the thiazolidinedione class, with a proven antihyperglycemic effect, is known to positively influence insulin sensitivity and β-cell function and to have the potential to alter the lipid profile...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/29163372/hyperglycemia-promotes-tmprss2-erg-gene-fusion-in-prostate-cancer-cells-via-upregulating-insulin-like-growth-factor-binding-protein-2
#15
Jeff M P Holly, Jessica Broadhurst, Rehanna Mansor, Amit Bahl, Claire M Perks
Background: Epidemiologic evidence shows that obesity is associated with a greater risk of aggressive prostate cancer (PCa) and PCa-specific mortality and this is observed mainly in men with the TMPRSS2-ERG gene fusion. Obesity is often associated with comorbid conditions such as type 2 diabetes and hyperglycemia: we investigated whether some of the exposures associated with disturbed metabolism can also affect the frequency of this gene fusion. Methods: Fusion was induced in LNCaP PCa cells in normal or high levels of glucose, with or without insulin-like growth factor binding protein-2 (IGFBP-2) silenced or the presence of insulin-like growth factor-1 (IGF-I), insulin, or epidermal growth factor (EGF)...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29163128/insulin-resistance-and-alzheimer-s-disease-bioenergetic-linkages
#16
REVIEW
Bryan J Neth, Suzanne Craft
Metabolic dysfunction is a well-established feature of Alzheimer's disease (AD), evidenced by brain glucose hypometabolism that can be observed potentially decades prior to the development of AD symptoms. Furthermore, there is mounting support for an association between metabolic disease and the development of AD and related dementias. Individuals with insulin resistance, type 2 diabetes mellitus (T2D), hyperlipidemia, obesity, or other metabolic disease may have increased risk for the development of AD and similar conditions, such as vascular dementia...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29162828/selenoprotein-p-neutralizing-antibodies-improve-insulin-secretion-and-glucose-sensitivity-in-type-2-diabetes-mouse-models
#17
Yuichiro Mita, Kaho Nakayama, Shogo Inari, Yukina Nishito, Yuya Yoshioka, Naoko Sakai, Kanade Sotani, Takahiro Nagamura, Yuki Kuzuhara, Kumi Inagaki, Miki Iwasaki, Hirofumi Misu, Masaya Ikegawa, Toshinari Takamura, Noriko Noguchi, Yoshiro Saito
Selenoprotein P (SeP) functions as a selenium (Se)-supply protein. SeP is identified as a hepatokine, promoting insulin resistance in type 2 diabetes. Thus, the suppression of Se-supply activity of SeP might improve glucose metabolism. Here, we develop an anti-human SeP monoclonal antibody AE2 as with neutralizing activity against SeP. Administration of AE2 to mice significantly improves glucose intolerance and insulin resistance that are induced by human SeP administration. Furthermore, excess SeP administration significantly decreases pancreas insulin levels and high glucose-induced insulin secretion, which are improved by AE2 administration...
November 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/29162361/impaired-beta-cell-sensitivity-to-incretins-in-type-2-diabetes-is-insufficiently-compensated-by-higher-incretin-response
#18
A Tura, J I Bagger, E Ferrannini, J J Holst, F K Knop, T Vilsbøll, A Mari
BACKGROUND AND AIMS: The incretin effect is impaired in type 2 diabetes (T2D), but the underlying mechanisms are only partially understood. We investigated the relationships between the time course of the incretin effect and that of glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) during oral glucose tolerance tests (OGTTs), thereby estimating incretin sensitivity of the beta cell, and its associated factors. METHODS AND RESULTS: Eight patients with T2D and eight matched subjects with normal glucose tolerance (NGT) received 25, 75, and 125 g OGTTs and corresponding isoglycemic glucose infusions (IIGI)...
October 13, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29161632/ambient-air-pollution-adipokines-and-glucose-homeostasis-the-framingham-heart-study
#19
Wenyuan Li, Kirsten S Dorans, Elissa H Wilker, Mary B Rice, Itai Kloog, Joel D Schwartz, Petros Koutrakis, Brent A Coull, Diane R Gold, James B Meigs, Caroline S Fox, Murray A Mittleman
OBJECTIVE: To examine associations of proximity to major roadways, sustained exposure to fine particulate matter (PM2.5), and acute exposure to ambient air pollutants with adipokines and measures of glucose homeostasis among participants living in the northeastern United States. METHODS: We included 5958 participants from the Framingham Offspring cohort examination cycle 7 (1998-2001) and 8 (2005-2008) and Third Generation cohort examination cycle 1 (2002-2005) and 2 (2008-2011), who did not have type 2 diabetes at the time of examination visit...
November 18, 2017: Environment International
https://www.readbyqxmd.com/read/29161233/swimming-but-not-vitamin-e-ameliorates-prothrombotic-state-and-hypofibrinolysis-in-a-rat-model-of-nonalcoholic-fatty-liver-disease
#20
Hussein F Sakr, Amr M Abbas, Mohamed A Haidara
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is associated with a systemic procoagulant hypofibrinolysis state that is considered as a risk factor for microangiopathy and peripheral vascular diseases. Swimming exercise ameliorates the metabolic dysfunction in type 2 diabetes. Vitamin E is a natural antioxidant that reduces the risk of endothelial dysfunction in metabolic syndrome. The aim of the present study is to investigate the effect of combined swimming exercise with vitamin E on coagulation as well as blood fibrinolysis markers in rats with NAFLD...
November 21, 2017: Journal of Basic and Clinical Physiology and Pharmacology
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