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https://www.readbyqxmd.com/read/28214337/palmitate-induces-mitochondrial-superoxide-generation-and-activates-ampk-in-podocytes
#1
Eugene Lee, Jin Choi, Hyun Soon Lee
Studies have shown that high levels of serum free fatty acids (FFAs) are associated with lipotoxicity and type 2 diabetes. Palmitic acid (PA) is the predominant circulating saturated FFA, yet its role in the pathogenesis of diabetic nephropathy (DN) is not clear. Recently, one study suggested that mitochondrial superoxide production is related to AMP-activated protein kinase (AMPK) activity in diabetic mice kidneys. To elucidate the link between PA and oxidative stress and AMPK activity in DN, we compared the cultured murine podocytes exposed to PA and oleic acid (OA)...
February 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28214071/lipocalin-2-a-master-mediator-of-intestinal-and-metabolic-inflammation
#2
REVIEW
Alexander R Moschen, Timon E Adolph, Romana R Gerner, Verena Wieser, Herbert Tilg
Lipocalin-2 (LCN2), also known as neutrophil gelatinase-associated lipocalin (NGAL), is released by various cell types and is an attractive biomarker of inflammation, ischemia, infection, and kidney damage. Both intestinal and metabolic inflammation, as observed in obesity and related disorders, are associated with increased LCN2 synthesis. While LCN2 in the intestinal tract regulates the composition of the gut microbiota and shows anti-inflammatory activities, it also exhibits proinflammatory activities in other experimental settings...
February 14, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28214002/relation-between-ventricular-premature-complexes-and-incident-heart-failure
#3
Vratika Agarwal, Eric Vittinghoff, Isaac R Whitman, Thomas A Dewland, Jonathan W Dukes, Gregory M Marcus
Ventricular premature complexes (VPCs) may represent a reversible cause of heart failure (HF); however, the type of patients most prone remains unknown. This study leverages a large population-based database to examine interactions that might prove clinically useful in risk-stratifying patients with VPCs. We used the California Healthcare Cost and Utilization Project to identify patients with VPCs and incident systolic HF from January 1, 2005, to December 31, 2009. We calculated hazard ratios for predictors of incident systolic HF using multivariable Cox proportional hazard models...
January 25, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28213915/assessment-of-a-national-diabetes-education-program-diabetes-management-booklet-the-grade-experience
#4
Roshni Devchand, Christina Nicols, Joanne M Gallivan, Margaret Tiktin, Heidi Krause-Steinrauf, Mary Larkin, Diane M Tuncer
BACKGROUND AND PURPOSE: The National Diabetes Education Program created the 4 Steps to Manage Your Diabetes for Life (4 Steps) booklet to help patients with diabetes learn the basics of self-management and care recommendations. The purpose of this study is to explore the impact of 4 Steps on participants' diabetes management knowledge and self-efficacy in the Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE). METHODS: A sample of 348 adults with type 2 diabetes enrolled in GRADE was included in this analysis...
February 18, 2017: Journal of the American Association of Nurse Practitioners
https://www.readbyqxmd.com/read/28213841/sitagliptin-down-regulates-retinol-binding-protein-4-and-reduces-insulin-resistance-in-gestational-diabetes-mellitus-a-randomized-and-double-blind-trial
#5
Xia Sun, Zhendong Zhang, Hui Ning, Hong Sun, Xianghong Ji
Gestational diabetes mellitus (GDM) is a condition that affects increasing number of pregnant women worldwide. Sitagliptin was reported to alleviate symptoms of type 2 diabetes mellitus by reducing serum levels of retinol-binding protein 4 (RBP-4). We investigated the effectiveness of sitagliptin on insulin sensitivity parameters in GDM patients. Pregnant GDM women in the 2nd trimester were recruited for this study. Participants were then assigned randomly to sitagliptin treatment group or placebo treatment group, and administered sitagliptin or placebo daily for 16 weeks...
February 17, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28213664/type-2-diabetes-remission-after-roux-en-y-gastric-bypass-evidence-for-increased-expression-of-jejunal-genes-encoding-regenerating-pancreatic-islet-derived-proteins-as-a-potential-mechanism
#6
Priscila Sala, Raquel Susana Torrinhas, Danielle Cristina Fonseca, Steven Heymsfield, Daniel Giannella-Neto, Dan Linetzky Waitzberg
BACKGROUND: Intestinal expression of regenerating pancreatic islet-derived protein-encoding genes (REG) would be enhanced after Roux-en-Y gastric bypass (RYGB) and would affect postoperative type 2 diabetes remission (T2Dr). METHODS: Intestinal biopsy samples were collected from 20 adult obese women with T2D before and 3 months after RYGB. Levels of REG expression and the gene encoding its putative receptor (EXTL3) were assessed by microarray and validated by quantitative RT-PCR...
February 17, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28213398/foxo-integration-of-insulin-signaling-with-glucose-and-lipid-metabolism
#7
Sojin Lee, Henry H Dong
The forkhead box O family consists of FoxO1, FoxO3, FoxO4 and FoxO6 proteins in mammals. Expressed ubiquitously in the body, the four FoxO isoforms share in common the amino DNA binding domain, known as "forkhead box" domain. They mediate the inhibitory action of insulin or insulin-like growth factor on key functions involved in cell metabolism, growth, differentiation, oxidative stress, senescence, autophagy and aging. Genetic mutations in FoxO genes or abnormal expression of FoxO proteins are associated with metabolic disease, cancer or altered lifespan in humans and animals...
February 17, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28213385/effectiveness-of-acarbose-in-treating-elderly-patients-with-diabetes-with-postprandial-hypotension
#8
Jie Zhang, Lixin Guo
: : Postprandial hypotension (PPH) is a common condition that occurs primarily in elderly patients with type 2 diabetes mellitus (T2DM). This study aimed to assess the effectiveness of acarbose for PPH; it also investigated possible mechanisms behind PPH development. This single-blind, randomized controlled trial included 91 elderly patients with T2DM, aged between 60 and 80 years, who were inpatients at Beijing Hospital between March 2012 and November 2014. The patients were included into one of three groups: Group A, patients with T2DM without PPH; Group B, patients with T2DM with PPH receiving placebo; and Group C, patients with T2DM with PPH receiving acarbose...
February 17, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28213374/diurnal-differences-in-risk-of-cardiac-arrhythmias-during-spontaneous-hypoglycemia-in-young-people-with-type-1-diabetes
#9
Peter Novodvorsky, Alan Bernjak, Elaine Chow, Ahmed Iqbal, Lianne Sellors, Scott Williams, Robert A Fawdry, Bhavin Parekh, Richard M Jacques, Jefferson L B Marques, Paul J Sheridan, Simon R Heller
OBJECTIVE: Hypoglycemia may exert proarrhythmogenic effects on the heart via sympathoadrenal stimulation and hypokalemia. Hypoglycemia-induced cardiac dysrhythmias are linked to the "dead-in-bed syndrome," a rare, but devastating, condition. We examined the effect of nocturnal and daytime clinical hypoglycemia on electrocardiogram (ECG) in young people with type 1 diabetes. RESEARCH DESIGN AND METHODS: Thirty-seven individuals with type 1 diabetes underwent 96 h of simultaneous ambulatory ECG and blinded continuous interstitial glucose monitoring (CGM) while symptomatic hypoglycemia was recorded...
February 17, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28213324/qing-hua-granule-induces-glp-1-secretion-via-bitter-taste-receptor-in-db-db-mice
#10
Junyan Li, Jie Xu, Ruifang Hou, Xin Jin, Jingyi Wang, Na Yang, Li Yang, Li Liu, Feng Tao, Hao Lu
Qing-Hua Granule (QHG), the modified formulation of a classical Chinese prescription named Gegen Qinlian Decoction, was clinically employed to treat type 2 diabetes mellitus (T2DM) through regulation of glucagon-like peptide-1 (GLP-1). However, the potential mechanism is unknown. We investigate whether QHG induces GLP-1 secretion via activation of bitter taste receptor (TAS2R) pathway in the gastrointestinal tract of db/db mice. The db/db mice were intragastrically (i.g.) administered QHG (low/medium/high dose) once daily for 8 weeks...
February 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28213289/quercetin-and-pioglitazone-synergistically-reverse-endothelial-dysfunction-in-isolated-aorta-from-fructose-streptozotocin-f-stz-induced-diabetic-rats
#11
Thubasni Kunasegaran, Mohd Rais Mustafa, Francis I Achike, Dharmani Devi Murugan
Pioglitazone is an anti-diabetic drug with potential to cause adverse effects following prolonged use. This study, therefore, investigated the effects of combination treatment of a subliminal concentration of pioglitazone and quercetin, a potent antioxidant, on vascular reactivity of aorta isolated from fructose-streptozotocin (F-STZ)-induced diabetic rats. Relaxation to acetylcholine and sodium nitroprusside, and contraction to phenylephrine were tested in organ bath chambers following pre-incubation with vehicle (DMSO; 0...
February 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28213167/the-effect-of-peripheral-neuropathy-on-lower-limb-muscle-strength-in-diabetic-individuals
#12
Jean P Ferreira, Cristina D Sartor, Ângela M O Leal, Isabel C N Sacco, Tatiana O Sato, Ivana L Ribeiro, Alice S Soares, Jonathan E Cunha, Tania F Salvini
BACKGROUND: Skeletal muscle strength is poorly described and understood in diabetic participants with diabetic peripheral neuropathy. This study aimed to investigate the extensor and flexor torque of the knee and ankle during concentric, eccentric, and isometric contractions in men with diabetes mellitus type 2 with and without diabetic peripheral neuropathy. METHODS: Three groups of adult men (n=92), similar in age, body mass index, and testosterone levels, were analyzed: 33 non-diabetic controls, 31 with type 2 diabetes mellitus, and 28 with diabetic peripheral neuropathy...
February 9, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28213110/effect-of-chinese-herbal-medicine-on-stroke-patients-with-type-2-diabetes
#13
Fuu-Jen Tsai, Tsung-Jung Ho, Chi-Fung Cheng, Xiang Liu, Hsinyi Tsang, Ting-Hsu Lin, Chiu-Chu Liao, Shao-Mei Huang, Ju-Pi Li, Cheng-Wen Lin, Jaung-Geng Lin, Jung-Chun Lin, Chih-Chien Lin, Wen-Miin Liang, Ying-Ju Lin
ETHNOPHARMACOLOGICAL RELEVANCE: Complications of type 2 diabetes (T2D) include stroke, which is a cerebrovascular disturbance characterized by reduced blood flow in the brain, leading to death or physical disability. Chinese herbal medicine (CHM) has been widely used in ancient China for the treatment of diabetes and stroke by supplementing Qi and activating blood circulation. AIM OF THE STUDY: This study aimed to investigate the frequencies and patterns of CHM treatment for stroke patients with T2D and the outcomes of long-term use in Taiwan...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28213010/the-pathogenesis-and-pathophysiology-of-gestational-diabetes-mellitus-deductions-from-a-three-part-longitudinal-metabolomics-study-in-china
#14
REVIEW
Kai P Law, Hua Zhang
Gestational diabetes mellitus (GDM) is a form of diabetes that is first recognised during pregnancy, with no evidence of pre-existing type 1 or type 2 diabetes. The prevalence of GDM has been rising steadily over the past few decades, coinciding with the ongoing epidemic of obesity and type 2 diabetes. Although GDM normally disappears after delivery, women who have been previously diagnosed with GDM are at a greater risk of developing gestational diabetes in subsequent pregnancies, and type 2 diabetes later in life...
February 14, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28212983/acircularity-index-and-axis-ratio-of-the-foveal-avascular-zone-in-diabetic-eyes-and-healthy-controls-measured-by-optical-coherence-tomography-angiography
#15
Brian D Krawitz, Shelley Mo, Lawrence S Geyman, Steven A Agemy, Nicole K Scripsema, Patricia M Garcia, Toco Y P Chui, Richard B Rosen
Given the complexity of the current system used to stage diabetic retinopathy (DR) and the risks and limitations associated with intravenous fluorescein angiography (IVFA), noninvasive quantification of DR severity is desirable. We examined the utility of acircularity index and axis ratio of the foveal avascular zone (FAZ), metrics that can noninvasively quantify the severity of diabetic retinopathy without the need for axial length to correct for individual retinal magnification. A retrospective review was performed of type 2 diabetics and age-matched controls imaged with optical coherence tomography angiography (OCTA)...
February 14, 2017: Vision Research
https://www.readbyqxmd.com/read/28212524/role-of-nrf2-and-protective-effects-of-metformin-against-tobacco-smoke-induced-cerebrovascular-toxicity
#16
Shikha Prasad, Ravi K Sajja, Mohammad Abul Kaisar, Jee Hyun Park, Heidi Villalba, Taylor Liles, Thomas Abbruscato, Luca Cucullo
Cigarette smoking (CS) is associated with vascular endothelial dysfunction in a causative way primarily related to the TS content of reactive oxygen species (ROS), nicotine, and inflammation. TS promotes glucose intolerance and increases the risk of developing type-2 diabetes mellitus (2DM) with which it shares other pathogenic traits including the high risk of cerebrovascular and neurological disorders like stroke via ROS generation, inflammation, and blood-brain barrier (BBB) impairment. Herein we provide evidence of the role played by nuclear factor erythroid 2-related factor (Nrf2) in CS-induced cerebrobvascular/BBB impairments and how these cerebrovascular harmful effects can be circumvented by the use of metformin (MF; a widely prescribed, firstline anti-diabetic drug) treatment...
February 12, 2017: Redox Biology
https://www.readbyqxmd.com/read/28212346/the-relationship-between-physical-activity-and-plasma-glucose-level-amongst-ellisras-rural-young-adult-males-and-females-ellisras-longitudinal-study
#17
Moloko Matshipi, Kotsedi Daniel Monyeki, Han Kemper
Unhealthy lifestyle characteristics such as low physical activity (PA) and high plasma glucose levels (PGLs) may lead to the development of type 2 diabetes mellitus in adulthood. The aim of this study was to investigate (i) the level of physical activity; (ii) the prevalence of pre-diabetes and (iii) the relationship between PA and plasma glucose level in a rural Ellisras adult population aged 18 to 28 years. A total of 713 young adults (349 males and 364 females) who took part in the Ellisras Longitudinal Study participated in the study...
February 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28212301/the-phytocomplex-from-fucus-vesiculosus-and-ascophyllum-nodosum-controls-postprandial-plasma-glucose-levels-an-in-vitro-and-in-vivo-study-in-a-mouse-model-of-nash
#18
Daniela Gabbia, Stefano Dall'Acqua, Iole Maria Di Gangi, Sara Bogialli, Valentina Caputi, Laura Albertoni, Ilaria Marsilio, Nicola Paccagnella, Maria Carrara, Maria Cecilia Giron, Sara De Martin
Edible seaweeds have been consumed by Asian coastal communities since ancient times. Fucus vesiculosus and Ascophyllum nodosum extracts have been traditionally used for the treatment of obesity and several gastrointestinal diseases. We evaluated the ability of extracts obtained from these algae to inhibit the digestive enzymes α-amylase and α-glucosidase in vitro, and control postprandial plasma glucose levels in a mouse model of non-alcoholic steatohepatitis (NASH); a liver disease often preceding the development of Type 2 diabetes (T2DM)...
February 15, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28211609/comparison-of-body-mass-index-at-diagnosis-of-diabetes-in-a-multiethnic-population-a-case-control-study-with-matched-non-diabetic-controls
#19
Sanjoy K Paul, Ebenezer S Owusu Adjah, Mayukh Samanta, Kiran Patel, Srikanth Bellary, Wasim Hanif, Kamlesh Khunti
AIMS: To investigate the probability of developing type 2 diabetes mellitus (T2DM) at different body mass index compared to matched non-diabetic controls in a multi-ethnic population. MATERIALS AND METHODS: Case-control study of 90,367 patients with incident diabetes and 362,548 age-sex-ethnicity matched controls from UK primary care. Probability of developing T2DM was estimated. RESULTS: Case and control patients were 56 years old at index and 56% were male...
February 17, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28211604/delays-in-treatment-intensification-with-oral-antidiabetic-drugs-and-risk-of-microvascular-and-macrovascular-events-in-patients-with-poor-glycemic-control-an-individual-patient-simulation-study
#20
Henry J Folse, Jayanti Mukherjee, John J Sheehan, Alexandra J Ward, Ryan L Pelkey, Tuan A Dinh, Lei Qin, Jennifer Kim
AIMS: Despite guideline recommendations, many patients with type 2 diabetes on oral antidiabetic drugs (OADs) whose HbA1c results remain above target do not experience timely treatment intensification. This study uses the Archimedes Model® to estimate the consequences of delays in OAD treatment intensification on glycemic control and long-term outcomes at 5 and 20 years. MATERIALS AND METHODS: Using real world data, we modeled a cohort of hypothetical patients with HbA1c ≥8%, on metformin, with no history of insulin use...
February 17, 2017: Diabetes, Obesity & Metabolism
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