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Diabetes and insulin

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https://www.readbyqxmd.com/read/28343312/role-of-acid-base-homeostasis-in-diabetic-kidney-disease
#1
REVIEW
Pascale Khairallah, Julia J Scialla
PURPOSE OF REVIEW: Acid-base homeostasis is impaired in chronic kidney disease (CKD) and may contribute to disease progression. Diabetes, a major cause of CKD worldwide, may exacerbate acidosis further due to differences in acid production and excretion. Here, we review the role of abnormal acid-base homeostasis in the pathogenesis and progression of diabetes and diabetic kidney disease. RECENT FINDINGS: Acidosis and dietary acid loading may contribute to the development and worsening of insulin resistance and hypertension, thereby promoting diabetes and diabetic CKD...
April 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28343084/role-of-pterostilbene-in-attenuating-immune-mediated-devastation-of-pancreatic-beta-cells-via-nrf2-signaling-cascade
#2
Dornadula Sireesh, Munuswamy-Ramanujam Ganesh, Umapathy Dhamodharan, Murugesan Sakthivadivel, Srinivasan Sivasubramanian, Palani Gunasekaran, Kunka Mohanram Ramkumar
Nrf2 (nuclear factor erythroid 2-related factor-2) is a transcription factor that regulates oxidative/xenobiotic stress response and also suppress inflammation. Nrf2 signaling is associated with an increased susceptibility to various kinds of stress. Nrf2 has been shown as a promising therapeutic target in various human diseases including diabetes. Our earlier studies showed Pterostilbene (PTS) as a potent Nrf2 activator, and it protects the pancreatic β-cells against oxidative stress. In this study, we investigated PTS confer protection against cytokine-induced β-cell apoptosis and its role on insulin secretion in streptozotocin (STZ)-induced diabetic mice...
March 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28342971/a-novel-dual-glp-1-gip-receptor-agonist-alleviates-cognitive-decline-by-re-sensitizing-insulin-signaling-in-the-alzheimer-icv-stz-rat-model
#3
Lijuan Shi, Zhihua Zhang, Lin Li, Christian Hölscher
Alzheimer's disease (AD) is a progressive neurodegenerative disorder, accompanied by memory loss and cognitive impairments, and there is no effective treatment for it at present. Since type 2 diabetes (T2DM) has been identified as a risk factor for AD, the incretins glucagon-like peptide 1 (GLP-1) and glucose dependent insulinotropic polypeptide (GIP), promising antidiabetic agents for the treatment of type 2 diabetes, have been tested in models of neurodegenerative disease including AD and achieved good results...
March 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28342842/protectin-dx-suppresses-hepatic-gluconeogenesis-through-ampk-ho-1-mediated-inhibition-of-er-stress
#4
Tae Woo Jung, Hyung-Chun Kim, Ji Hoon Jeong
Several studies have shown that protectins, which are ω-3 fatty acid-derived proresolution mediators, may improve insulin resistance. Recently, protectin DX (PDX) was documented to attenuate insulin resistance by stimulating IL-6 expression in skeletal muscle, thereby regulating hepatic gluconeogenesis. These findings made us investigate the direct effects of PDX on hepatic glucose metabolism in the context of diabetes. In the current study, we show that PDX regulates hepatic gluconeogenesis in a manner distinct from its indirect glucoregulatory activity via IL-6...
March 22, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28342366/discovery-of-new-dual-ppar%C3%AE-gpr40-agonists-with-robust-antidiabetic-activity-design-synthesis-and-in-combo-drug-evaluation
#5
Sergio Hidalgo-Figueroa, Gabriel Navarrete-Vázquez, Samuel Estrada-Soto, Diana Giles-Rivas, Francisco J Alarcón-Aguilar, Ismael León-Rivera, Abraham Giacoman-Martínez, Elizabeth Miranda Pérez, Julio C Almanza-Pérez
The design of compounds 1 and 2 was based on the similar scaffold of pharmacophoric groups for PPARγ and GPR40 agonists. In order to find new compounds with improved biological activity, the current manuscript describes a new dual PPARγ-GPR40 agonist. We synthesized two compounds, which were prepared following a multistep synthetic route, and the relative mRNA expression levels of PPARγ, GLUT4, and GPR40 were quantified in cell culture, as well as insulin secretion and [Ca(2+)] intracellular levels. Compound 1 showed a 7-times increase in the mRNA expression of PPARγ, which in turn enhanced the expression levels of GLUT4 respect to control and pioglitazone...
March 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28340367/insulin-resistance-is-associated-with-carotid-intima-media-thickness-in-non-diabetic-subjects-a-cross-sectional-analysis-of-the-elsa-brasil-cohort-baseline
#6
Itamar S Santos, Márcio S Bittencourt, Alessandra C Goulart, Maria Inês Schmidt, Maria de Fátima H S Diniz, Paulo A Lotufo, Isabela M Benseñor
BACKGROUND AND AIMS: Epidemiological studies have analyzed the association between carotid intima-media thickness (CIMT) and insulin resistance, glucose levels or glycated hemoglobin with mixed results. We aimed to evaluate the association between CIMT and homeostasis model assessment - insulin resistance (HOMA-IR), fasting and post-load plasma glucose and glycated hemoglobin in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) baseline. METHODS: We included 8028 participants (aged 35-74 years) without diabetes or overt cardiovascular disease who had complete CIMT data at baseline...
March 10, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28340360/the-influence-of-carbohydrate-consumption-on-glycemic-control-in-pregnant-women-with-type-1-diabetes
#7
Björg Ásbjörnsdóttir, Cecelia E Akueson, Helle Ronneby, Ane Rytter, Jens R Andersen, Peter Damm, Elisabeth R Mathiesen
AIMS: To study the influence of the quantity and the quality of carbohydrate consumption on glycemic control in early pregnancy among women with type 1 diabetes. METHODS: A retrospective study of 107 women with type 1 diabetes who completed 1-3days of diet recording before first antenatal visit, as a part of routine care. The total daily carbohydrate consumption from the major sources (e.g. bread, potatoes, rice, pasta, dairy products, fruits, candy) was calculated...
December 23, 2016: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28340340/selective-chemical-inhibition-of-pgc-1%C3%AE-gluconeogenic-activity-ameliorates-type-2-diabetes
#8
Kfir Sharabi, Hua Lin, Clint D J Tavares, John E Dominy, Joao Paulo Camporez, Rachel J Perry, Roger Schilling, Amy K Rines, Jaemin Lee, Marc Hickey, Melissa Bennion, Michelle Palmer, Partha P Nag, Joshua A Bittker, José Perez, Mark P Jedrychowski, Umut Ozcan, Steve P Gygi, Theodore M Kamenecka, Gerald I Shulman, Stuart L Schreiber, Patrick R Griffin, Pere Puigserver
Type 2 diabetes (T2D) is a worldwide epidemic with a medical need for additional targeted therapies. Suppression of hepatic glucose production (HGP) effectively ameliorates diabetes and can be exploited for its treatment. We hypothesized that targeting PGC-1α acetylation in the liver, a chemical modification known to inhibit hepatic gluconeogenesis, could be potentially used for treatment of T2D. Thus, we designed a high-throughput chemical screen platform to quantify PGC-1α acetylation in cells and identified small molecules that increase PGC-1α acetylation, suppress gluconeogenic gene expression, and reduce glucose production in hepatocytes...
March 23, 2017: Cell
https://www.readbyqxmd.com/read/28340246/considerations-on-glycaemic-control-in-older-and-or-frail-individuals-with-diabetes-and-advanced-kidney-disease
#9
Nicolae Mircea Panduru, Ionut Nistor, Per-Henrik Groop, Wim Van Biesen, Ken Farrington, Adrian Covic
The increasing prevalence of chronic kidney disease (CKD) and diabetes over the last decade has resulted in increasing numbers of frail older patients with a combination of these conditions. Current treatment guidelines may not necessarily be relevant for such patients, who are mostly excluded from the trials upon which these recommendations are based. There is a paucity of data upon which to base the management of older patients with CKD. Nearly all current guidelines recommend less-tight glycaemic control for the older population, citing the lack of proven medium-term benefits and concerns about the high short-term risk of hypoglycaemia...
March 13, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28340087/nutrigenomic-point-of-view-on-effects-and-mechanisms-of-action-of-ruminant-trans-fatty-acids-on-insulin-resistance-and-type-2-diabetes
#10
Bénédicte L Tremblay, Iwona Rudkowska
Evidence from observational studies suggests beneficial effects of ruminant trans fatty acids (rTFA) on insulin resistance (IR) and type 2 diabetes (T2D). However, beneficial effects of rTFA are not always observed in cell, animal, and human studies. This narrative review presents potential mechanisms of action of rTFA using nutrigenomics and microRNA results in an integrative model. In addition, the review presents factors, including measures of IR and T2D, dose and duration of studies, as well as health status, ethnicity, and genotypes of subjects, that may help explain the heterogeneity in response to rTFA supplementation...
March 7, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/28339731/obesity-associated-cardiac-pathogenesis-in-broiler-breeder-hens-development-of-metabolic-cardiomyopathy2-3
#11
C Y Chen, Y F Huang, Y J Ko, Y J Liu, Y H Chen, R L Walzem, S E Chen
Feed intake is typically restricted (R) in broiler hens to avoid obesity and improve egg production and livability. To determine whether improved heart health contributes to improved livability, fully adult 45-week-old R hens were allowed to consume feed to appetite (ad libitum; AL) up to 10 wk (70 d). Mortality, contractile functions, and morphology at 70 d, and measurements of cardiac hypertrophic remodeling at 7 d and 21 d were made and compared between R and AL hens. Outcomes for cardiac electrophysiology and mortality, reported separately, found increased mortality in AL hens in association with cardiac pathological hypertrophy and contractile dysfunction...
February 22, 2017: Poultry Science
https://www.readbyqxmd.com/read/28338890/metabolic-syndrome-and-insulin-resistance-are-associated-with-frailty-in-older-adults-a-prospective-cohort-study
#12
Raúl F Pérez-Tasigchana, Luz M León-Muñoz, Esther Lopez-Garcia, Juan L Gutierrez-Fisac, Martín Laclaustra, Fernando Rodríguez-Artalejo, Pilar Guallar-Castillón
Background: diabetes increases the risk of frailty that is a leading cause of disability and premature mortality in older people. Metabolic syndrome (MS) and insulin resistance (IR) are strong risk factors for diabetes and could, thus, lead to frailty. However, the association between MS or IR and frailty has barely been investigated. Methods: data were obtained from a cohort of 1,499 community-dwelling individuals aged ≥60, who were free of diabetes at 2008-10 and were followed up for 3...
March 1, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28338608/impact-of-high-carbohydrate-diet-on-metabolic-parameters-in-patients-with-type-2-diabetes
#13
REVIEW
Chan-Hee Jung, Kyung Mook Choi
In patients with type 2 diabetes mellitus (T2DM), whether dietary carbohydrates have beneficial or detrimental effects on cardiometabolic risk factors has drawn attention. Although a high-carbohydrate (HC) diet and a low-carbohydrate (LC) diet have gained popularity for several decades, there is scarce review focusing on the effects of HC diet on glucose, lipids and body weight in patients with T2DM. In this review, we examined recently-published literature on the effects of HC diets on metabolic parameters in T2DM...
March 24, 2017: Nutrients
https://www.readbyqxmd.com/read/28338397/clove-and-its-active-compound-attenuate-free-fatty-acid-mediated-insulin-resistance-in-skeletal-muscle-cells-and-in-mice
#14
Safina Ghaffar, Shabbir Khan Afridi, Meha Fatima Aftab, Munazza Murtaza, Rahman M Hafizur, Sara Sara, Sabira Begum, Rizwana Sanaullah Waraich
Several reports indicate anti-hyperglycemic effects of Syzygium aromaticum. In the present study, we report for the first time that clove extract (SAM) and its compound nigricin (NGC) decreases free fatty acid-mediated insulin resistance in mouse myoblasts. In addition, NGC was able to diminish insulin resistance in a diabetic mouse model. We observed that SAM and its compound NGC exhibited significant antioxidant activity in murine skeletal muscle cells. They also modulated stress signaling by reducing p38 MAP kinase phosphorylation...
March 24, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28338281/cardiovascular-safety-of-vildagliptin-in-patients-with-type-2-diabetes-a-european-multi-database-non-interventional-post-authorization-safety-study
#15
R Williams, F de Vries, W Kothny, C Serban, S Lopez-Leon, C Chu, R Schlienger
This non-interventional, multi-database, analytical cohort study assessed the cardiovascular (CV) safety of vildagliptin vs. other non-insulin antidiabetic drugs (NIADs) using real-world data from five European electronic healthcare databases. Patients with type 2 diabetes aged ≥18 years on NIAD treatment were enrolled. Adjusted incidence rate ratios (IRRs) and 95% confidence intervals (95% CIs) for the outcomes of interest (myocardial infarction [MI], acute coronary syndrome [ACS], stroke, congestive heart failure [CHF], individually and as a composite) were estimated using negative binomial regression...
March 24, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28338247/impact-of-diabetic-ketoacidosis-management-in-the-medical-intensive-care-unit-after-order-set-implementation
#16
Benjamin Laliberte, Siu Yan Amy Yeung, Jeffrey P Gonzales
OBJECTIVE: To determine the rate of compliance to the 2006 and 2009 ADA DKA guidelines in the medical intensive care unit (MICU) at a large academic medical centre after the implementation of a computerised DKA order set and protocol. METHODS: Retrospective chart review of adult patients with DKA admitted to the MICU. Results of pre-order set (PRE) were compared to those of data post-order set (POST). The primary outcome was a composite administration of intravenous fluid resuscitation in the first 24 h, insulin bolus and initial insulin infusion rate...
March 24, 2017: International Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28338072/a-post-weaning-obesogenic-diet-exacerbates-the-detrimental-effects-of-maternal-obesity-on-offspring-insulin-signaling-in-adipose-tissue
#17
Juliana de Almeida Faria, Daniella Duque-Guimarães, Asha A M Carpenter, Elena Loche, Susan E Ozanne
Previous studies have shown that maternal diet-induced obesity leads to increased risk of type 2 diabetes in offspring. The current study investigated if weaning onto an obesogenic diet exaggerated the detrimental effects of maternal diet-induced obesity in adipose tissue. Maternal obesity and offspring obesity led to reduced expression of key insulin signalling proteins, including insulin receptor substrate-1 (IRS-1). The effects of maternal obesity and offspring obesity were, generally, independent and additive...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28338021/absence-of-a-gestational-diabetes-phenotype-in-the-leprdb-mouse-is-independent-of-control-strain-diet-misty-allele-or-parity
#18
Jasmine F Plows, XinYang Yu, Ric Broadhurst, Mark H Vickers, Chao Tong, Hua Zhang, HongBo Qi, Joanna L Stanley, Philip N Baker
Treatment options for gestational diabetes (GDM) are limited. In order to better understand mechanisms and improve treatments, appropriate animal models of GDM are crucial. Heterozygous db mice (db/+) present with glucose intolerance, insulin resistance, and increased weight gain during, but not prior to, pregnancy. This makes them an ideal model for GDM. However, several recent studies have reported an absence of GDM phenotype in their colony. We investigated several hypotheses for why the phenotype may be absent, with the aim of re-establishing it and preventing further resources being wasted on an ineffective model...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337858/transdermal-protein-delivery-using-choline-and-geranate-cage-deep-eutectic-solvent
#19
Amrita Banerjee, Kelly Ibsen, Yasunori Iwao, Michael Zakrewsky, Samir Mitragotri
Transdermal delivery of peptides and other biological macromolecules is limited due to skin's inherent low permeability. Here, the authors report the use of a deep eutectic solvent, choline and geranate (CAGE), to enhance topical delivery of proteins such as bovine serum albumin (BSA, molecular weight: ≈66 kDa), ovalbumin (OVA, molecular weight: ≈45 kDa) and insulin (INS, molecular weight: 5.8 kDa). CAGE enhances permeation of BSA, OVA, and insulin into porcine skin ex vivo, penetrating deep into the epidermis and dermis...
March 24, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28337770/hypoglycemic-effect-of-hawthorn-in-type-ii-diabetes-mellitus-rat-model
#20
Aili Aierken, Tina Buchholz, Chen Chen, Xiaoying Zhang, Matthias F Melzig
BACKGROUND: Hawthorn is one of the popular herbs in many different traditional medicine systems including in Traditional Chinese Medicine (TCM), where it has long been used for the treatment of hyperglycemia. However, most of its varied biological activities are still remaining unexplored. This study investigated the hypoglycemic effect of hawthorn extracts in type II diabetic (T2DM) rat model. A total of 54 rats were randomly divided into six groups. Normal control group (NC), type II diabetic model group (T2DM, T2DM rats were induced by high fat diet and streptozotocin), high, middle and low concentrations of hawthorn treat groups (HTH , HTM and HTL , T2DM rats were given hawthorn extract at the dose of 50, 100 and 200 mg kg ^-1...
March 23, 2017: Journal of the Science of Food and Agriculture
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