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Causes of diabetes

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https://www.readbyqxmd.com/read/29777874/asymmetric-dimethylarginine-contributes-to-retinal-neovascularization-of-diabetic-retinopathy-through-ephrinb2-pathway
#1
Mei-Rong Du, Li Yan, Nian-Sheng Li, Yu-Jie Wang, Ting Zhou, Jun-Lin Jiang
Diabetic retinopathy (DR) is a leading cause of vision loss with retinal neovascularization. This study aims to investigate whether Asymmetric dimethylarginine (ADMA) impacts the pathogenesis of DR via focusing on promoting retinal neovascularization and its underlying molecular mechanisms. Diabetic rats were induced by a single intraperitoneal injection of streptozotocin (STZ) for 20 weeks. ADMA levels in aqueous and the influence of hypoxia on ADMA and angiogenesis in RF/6A cells were examined. The effects and underlying molecular mechanisms of ADMA on neovascularization of RF/6A cells were further evaluated by administration of ADMA, DDAH siRNA or ephrinB2 siRNA...
May 16, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29777849/non-invasive-diagnostic-methods-for-better-screening-of-peripheral-arterial-disease
#2
REVIEW
Neelamshobha Nirala, R Periyasamy, Awanish Kumar
BACKGROUND: Peripheral arterial disease (PAD) is a common circulatory problem in which narrowed arteries reduce blood flow to extremities usually legs. It does not receive enough blood flow to keep up with demand. This causes symptoms, most notably leg pain while walking which is known as claudication. It is a common manifestation of type II Diabetes, but the relationship between other vascular diseases and lower limb (LL)-PAD has been poorly understood and investigated. METHODS: When assessing a patient with clinically LLPAD, two questions are in order to establish a diagnosis: one is non-invasive testing and other is invasive...
May 16, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29777753/characterization-of-impaired-cerebrovascular-structure-in-app-ps1-mouse-brains
#3
Kee-Chan Ahn, Cameron R Learman, Gary L Dunbar, Panchanan Maiti, Won-Cheoul Jang, Hyeon-Cheol Cha, Mee-Sook Song
Alzheimer's disease (AD) is defined by senile plaques, tauopathy and neuronal cell death in specific area of the brain. Recent studies suggest that neurovascular dysfunction may be an integral part of AD pathogenesis, contributing to the onset and development of AD pathologies such as neuronal death, inflammatory response, and breakdown of blood brain barrier (BBB). In addition, vascular complications caused by age-related metabolic diseases such as diabetes and high blood pressure have high incidence in development of dementia and AD...
May 16, 2018: Neuroscience
https://www.readbyqxmd.com/read/29777746/perioperative-and-long-term-all-cause-mortality-in-patients-with-diabetes-who-underwent-a-lower-extremity-amputation
#4
María Eugenia López-Valverde, Javier Aragón-Sánchez, Ana López-de-Andrés, Viviana Guerrero-Cedeño, Rebeca Tejedor-Méndez, Gerardo Víquez-Molina, Rodrigo Jiménez-García
INTRODUCTION: Long-term mortality of patients with diabetes who undergo lower extremity amputation (LEA) has not been reported in Spain. METHODS: The retrospective cohort included all subjects who underwent LEAs from January 1, 2005 to December 31, 2015 in San Jorge Hospital, Huesca, Spain. Live status of every patient up to September 2017 and the date of death were retrieved using the national death index. RESULTS: The series included 203 patients: 116 patients (57...
May 16, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29777589/low-adhesive-ethylene-vinyl-alcohol-based-packaging-to-xenogeneic-islets-encapsulation-for-type-1-diabetes-treatment
#5
Kai-Chiang Yang, Goichi Yanai, Sin-Yu Yang, Priyadarshini Canning, Yoshio Satou, Masako Kawagoe, Shoichiro Sumi
Transplantation of encapsulated porcine islets is proposed to treat type 1 diabetes. However, envelopment of fibrous tissue and infiltration of immune cells impair islets function and eventually cause implant failure. It is known that hemodialysis using an ethylene vinyl alcohol (EVOH) membrane results in minor tissue responses. Therefore, we hypothesized that using a low adhesive EVOH membrane for encapsulation may prevent host cell accumulation and fibrous capsule formation. In this study, rat islets suspended in chitosan gel were encapsulated in bags made from highly porous EVOH membranes, and their in vitro insulin secretion function as well as in vivo performance were evaluated...
May 19, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29777522/impact-of-insulin-degludec-in-hospitalized-patients-with-and-without-type-2-diabetes-requiring-parenteral-enteral-nutrition-an-observational-study
#6
Giuseppe Fatati, Agnese Di Donato, Ilenia Grandone, Pina Menicocci, Eva Mirri, Giuseppe Prosperini, Marco Scardapane, Maria Chiara Rossi, Mariangela Palazzi
INTRODUCTION: Hyperglycemia in inpatients is a major problem, especially when nutritional support is required. This study aims to assess the impact of treatment with insulin degludec (IDeg) on mean blood glucose (BG) and glycemic variability in noncritical hospitalized patients with and without type 2 diabetes (T2DM) receiving enteral and/or parenteral nutrition (EN, PN). METHODS: Mean BG and glycemic variability from admission up to 7 days of hospitalization were evaluated in consecutive cases with and without T2DM...
May 17, 2018: Advances in Therapy
https://www.readbyqxmd.com/read/29777264/empagliflozin-reduces-cardiovascular-events-mortality-and-renal-events-in-participants-with-type-2-diabetes-after-coronary-artery-bypass-graft-surgery-subanalysis-of-the-empa-reg-outcome%C3%A2-randomised-trial
#7
Subodh Verma, C David Mazer, David Fitchett, Silvio E Inzucchi, Egon Pfarr, Jyothis T George, Bernard Zinman
AIMS/HYPOTHESIS: After coronary artery bypass graft (CABG) surgery in individuals with type 2 diabetes, there remains a considerable residual cardiovascular risk. In the EMPA-REG OUTCOME® trial in participants with type 2 diabetes and established cardiovascular disease, empagliflozin reduced the risk of cardiovascular death by 38%, all-cause mortality by 32%, hospitalisation for heart failure by 35% and incident or worsening nephropathy by 39% vs placebo when given in addition to standard of care...
May 19, 2018: Diabetologia
https://www.readbyqxmd.com/read/29777232/maternal-overnutrition-programs-epigenetic-changes-in-the-regulatory-regions-of-hypothalamic-pomc-in-the-offspring-of-rats
#8
Thanuja Gali Ramamoorthy, Tiffany-Jayne Allen, Alison Davies, Erika Harno, Charlotte Sefton, Christopher Murgatroyd, Anne White
BACKGROUND AND OBJECTIVE: Maternal overnutrition has been implicated in affecting the offspring by programming metabolic disorders such as obesity and diabetes, by mechanisms that are not clearly understood. This study aimed to determine the long-term impact of maternal high-fat (HF) diet feeding on epigenetic changes in the offspring's hypothalamic Pomc gene, coding a key factor in the control of energy balance. Further, it aimed to study the additional effects of postnatal overnutrition on epigenetic programming by maternal nutrition...
May 17, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29776671/guidelines-on-diabetic-eye-care-the-international-council-of-ophthalmology-recommendations-for-screening-follow-up-referral-and-treatment-based-on-resource-settings
#9
REVIEW
Tien Y Wong, Jennifer Sun, Ryo Kawasaki, Paisan Ruamviboonsuk, Neeru Gupta, Van Charles Lansingh, Mauricio Maia, Wanjiku Mathenge, Sunil Moreker, Maji M K Muqit, Serge Resnikoff, Juan Verdaguer, Peiquan Zhao, Frederick Ferris, Lloyd P Aiello, Hugh R Taylor
Diabetes mellitus (DM) is a global epidemic and affects populations in both developing and developed countries, with differing health care and resource levels. Diabetic retinopathy (DR) is a major complication of DM and a leading cause of vision loss in working middle-aged adults. Vision loss from DR can be prevented with broad-level public health strategies, but these need to be tailored to a country's and population's resource setting. Designing DR screening programs, with appropriate and timely referral to facilities with trained eye care professionals, and using cost-effective treatment for vision-threatening levels of DR can prevent vision loss...
May 15, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29776431/validation-of-verbal-autopsy-methods-using-hospital-medical-records-a-case-study-in-vietnam
#10
Hong Thi Tran, Hoa Phuong Nguyen, Sue M Walker, Peter S Hill, Chalapati Rao
BACKGROUND: Information on causes of death (COD) is crucial for measuring the health outcomes of populations and progress towards the Sustainable Development Goals. In many countries such as Vietnam where the civil registration and vital statistics (CRVS) system is dysfunctional, information on vital events will continue to rely on verbal autopsy (VA) methods. This study assesses the validity of VA methods used in Vietnam, and provides recommendations on methods for implementing VA validation studies in Vietnam...
May 18, 2018: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/29776362/apolipoprotein-b-apolipoprotein-a1-ratio-and-mortality-among-incident-peritoneal-dialysis-patients
#11
Xiaojiang Zhan, Yanbing Chen, Caixia Yan, Siyi Liu, Lijuan Deng, Yuting Yang, Panlin Qiu, Dan Pan, Bingxiang Zeng, Qinkai Chen
BACKGROUND: To investigate the association between the ratio of apolipoprotein B (apo B) / apolipoprotein A1 (apo A1) with all-cause mortality and cardiovascular events in peritoneal dialysis (PD) patients. METHODS: Eight hundred and sixty incident PD patients were enrolled from November 1, 2005, to February 28, 2017, and followed until May 31, 2017. Outcomes were all-cause mortality and cardiovascular events. Associations between the apo B/apo A1 ratio with all-cause mortality and cardiovascular events were evaluated using multivariable-adjusted Cox models...
May 17, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29775902/type-1-diabetes-through-the-lens-of-human-genome-and-metagenome-interplay
#12
REVIEW
Sepideh Zununi Vahed, Hakimeh Moghaddas Sani, Yalda Rahbar Saadat, Abolfazl Barzegari, Yadollah Omidi
Diabetes is a genetic- and epigenetic-related disease from which a large population worldwide suffers. Some genetic factors along with various mutations related to the immune system for disease mechanism(s) have contrastively been determined. However, sometimes mechanisms have not been fully managed for the clarification of the initiation and/or progression of diseases to help patients. In the recent years, due to familiarity with the role of gut microbiota in the health, it has been found that the changes of the microbial balance in the industrialized societies can cause a battery of modern diseases, for which we have no specific definition of how they emerge...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775891/protective-effect-of-atorvastatin-meditated-by-hmgcr-gene-on-diabetic-rats-with-atherosclerosis-an-in-vivo-and-in-vitro-study
#13
Yong-Zhi Wang, Lei Yang, Chuan-Fang Li
BACKGROUND: Accelerated atherosclerosis in patients suffering from diabetes represents a major cause of morbidity and mortality. The aim of present study was to investigate the protective effects conferred by atorvastatin (AVT) meditated by the HMGCR gene in diabetic rats with atherosclerosis. METHODS: Serum triglyceride (TG), total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), very-low-density lipoprotein cholesterol (VLDL-C), fasting blood glucose (FBG) and serum insulin (INS) were all determined by means of in vivo experiments...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775774/hospital-admissions-2000-2014-a-retrospective-analysis-of-288-096-events-in-patients-with-dementia
#14
Catarina Bernardes, João Massano, Alberto Freitas
INTRODUCTION: Dementia is a leading cause of disability worldwide. It is associated with an increased risk of hospitalization, imposing a significant burden on healthcare systems. The evidence on the long-term evolution of this issue and broadly on healthcare systems is currently limited. This study aims to describe the hospitalizations of people who received a diagnosis of dementia admitted to public general hospitals in a western European country with universal health coverage, over more than a decade...
May 8, 2018: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/29775676/malondialdehyde-modified-ldl-related-variables-are-associated-with-diabetic-kidney-disease-in-type-2-diabetes
#15
Shoko Furukawa, Hiroaki Suzuki, Kazuya Fujihara, Kazuto Kobayashi, Hitoshi Iwasaki, Yoko Sugano, Shigeru Yatoh, Motohiro Sekiya, Naoya Yahagi, Hitoshi Shimano
BACKGROUND AND AIMS: Oxidized low-density lipoprotein (oxLDL) causes the development of atherosclerosis and kidney injury. Although circulating oxLDL levels were reportedly increased in type 2 diabetic patients with macroalbuminuria, it remains unclear whether albuminuria or the reduced glomerular filtration rate (GFR) is independently associated with the circulating oxLDL level. This study aimed to elucidate the association between the stage of diabetic nephropathy and serum malondialdehyde-modified LDL (MDA-LDL) and the ratio of MDA-LDL to LDL-cholesterol (MDA-LDL/LDL)...
May 15, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29775674/the-prognostic-value-of-the-frontal-qrs-t-angle-is-comparable-to-cardiovascular-autonomic-neuropathy-regarding-long-term-mortality-in-people-with-diabetes-a-population-based-study
#16
O May, C B Graversen, M Ø Johansen, H Arildsen
Cardiovascular autonomic neuropathy (CAN) is a well known prognostic marker in diabetes. A large angle between the QRS- and the T-wave vector (QRS-T angle) in the electrocardiogram (ECG) has recently been introduced as another marker of poor prognosis. AIM: To assess and compare the long-term predictive power of the frontal plane QRS-T angle with CAN in people with diabetes. METHODS: In 1992-93 people with diabetes in the municipality of Horsens, Denmark, were identified by the prescription method andan age and gender stratified sample of 240 individuals with diabetes were randomly selected...
May 15, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29775569/modification-of-chickpea-cystatin-by-reactive-dicarbonyl-species-glycation-oxidation-and-aggregation
#17
Sheraz Ahmad Bhat, Waseem Feeroze Bhat, Mohammad Afsar, Mohd Shahnawaz Khan, Bilqees Bano
Reactive dicarbonyl species such as methylglyoxal (MGO) and glyoxal (GO) have recently received extensive attention due to their high reactivity and ability to modify biological substances such as proteins, phospholipids, and DNA. In case of proteins these reactive species mainly react with lysine and arginine residues to form AGEs, oxidative products, and aggregates. Chickpea cystatin (CPC) was incubated with varying concentrations of glyoxal and methylglyoxal which caused, along with altered secondary and tertiary structures, glycation, functional inactivation, altered redox state, cross-linking and high-molecular-mass aggregation...
May 15, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29774467/recent-diabetes-related-mortality-trends-in-romania
#18
Sorin Ioacara, Elisabeta Sava, Olivia Georgescu, Anca Sirbu, Simona Fica
AIMS: As there are no published articles on country-level diabetes-related mortality in Romania, we aimed to investigate this aspect for the 1998-2015 period. METHODS: Anonymized demographic and diabetes-related mortality data (underlying or first secondary cause of death) were retrospectively obtained from the National Institute of Statistics/Eurostat microdata. Age-standardized mortality rates (ASMR) and their annual percentage change (APC) were analysed. RESULTS: During 1998-2015, 4,567,899 persons died in Romania, among whom, diabetes was responsible for 168,854 cases...
May 17, 2018: Acta Diabetologica
https://www.readbyqxmd.com/read/29774417/first-report-on-the-nationwide-incidence-of-type-1-diabetes-and-ketoacidosis-at-onset-in-children-in-serbia-a-multicenter-study
#19
Rade Vukovic, Maja D Jesic, Ivana Vorgucin, Sandra Stankovic, Nevena Folic, Tatjana Milenkovic, Silvija Sajic, Dragan Katanic, Sasa Zivic, Slavica Markovic, Ivan Soldatovic
Data regarding incidence of type 1 diabetes (T1DM), as well as data on frequency and severity of diabetic ketoacidosis (DKA) at the time of T1DM diagnosis is of paramount importance for national and regional healthcare planning. The aim of present multicenter study was to provide the first report regarding nationwide annual incidence rates for T1DM in youth in Serbia, as well as prevalence of DKA at the time of diagnosis. Data on all pediatric patients with newly diagnosed T1DM was retrospectively collected from all 15 regional centers for pediatric diabetes in Serbia during the period 2007-2017...
May 17, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29773993/diabetic-cardiomyopathy-impact-of-biological-sex-on-disease-development-and-molecular-signatures
#20
REVIEW
Ryan Toedebusch, Anthony Belenchia, Lakshmi Pulakat
Diabetic cardiomyopathy refers to a unique set of heart-specific pathological variables induced by hyperglycemia and insulin resistance. Given that cardiovascular disease (CVD) is the leading cause of death in the world, and type 2 diabetes incidence continues to rise, understanding the complex interplay between these two morbidities and developing novel therapeutic strategies is vital. Two hallmark characteristics specific to diabetic cardiomyopathy are diastolic dysfunction and cardiac structural mal-adaptations, arising from cardiac cellular responses to the complex toxicity induced by hyperglycemia with or without hyperinsulinemia...
2018: Frontiers in Physiology
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