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https://www.readbyqxmd.com/read/28935073/incidence-clinical-presentation-and-predictors-of-clinical-restenosis-in-coronary-bioresorbable-scaffolds
#1
Alberto Polimeni, Melissa Weissner, Katharina Schochlow, Helen Ullrich, Ciro Indolfi, Jouke Dijkstra, Remzi Anadol, Thomas Münzel, Tommaso Gori
OBJECTIVES: The aim of this study was to describe the incidence and clinical characteristics, including intracoronary imaging features, of clinical restenosis in bioresorbable coronary scaffolds (BRS). Further, the authors searched for clinical and procedural predictors of scaffold restenosis (ScR) and report on the clinical outcomes after treatment of ScR in a cohort of consecutive all-comer patients. BACKGROUND: Data from randomized controlled trials demonstrate a higher rate of target lesion failure in patients treated with BRS as compared with those treated with metal drug-eluting stents...
September 25, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28934928/complexity-of-pathomechanisms-leading-to-diastolic-heart-failure-in-diabetes-mellitus-potential-field-for-therapeutic-interventions
#2
Michael Schwarzer, Michel Noutsias, Frank Spillmann, P Christian Schulze, Torsten Doenst, Carsten Tschöpe
Advanced glycation end products (AGE) have been implicated in diabetes associated complications. They have been suggested as potential mediators in the progression of diabetic heart failure and as a potential target for treatment. Brunvand et al. now provided evidence in that the suggested causal relationship between AGE and diastolic myocardial dysfunction cannot be confirmed in children with type 1 diabetes. The early signs of diastolic myocardial impairment were associated with higher BMI, but not with HbA1c levels...
September 21, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28934861/long-non-coding-rnas-in-diabetes-and-diabetic-complications
#3
Amy Leung, Rama Natarajan
SIGNIFICANCE: Diabetes is associated with markedly accelerated rates of micro- and macrovascular complications that increase morbidity and mortality. Understanding the molecular mechanisms can promote much needed therapeutics. Recent Advances: Long non-coding RNAs are important regulators of gene regulation and cellular function and are emerging as important players in diabetes and its complications. There are number of examples in which lncRNAs are responsive to hyperglycemia and clearly involved in regulation of genes and pathways associated with the development of diabetic complications...
September 21, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28933230/inhibition-of-protein-tyrosine-phosphatase-ptp1b-and-%C3%AE-glucosidase-by-geranylated-flavonoids-from-paulownia-tomentosa
#4
Yeong Hun Song, Zia Uddin, Young Min Jin, Zuopeng Li, Marcus John Curtis-Long, Kwang Dong Kim, Jung Keun Cho, Ki Hun Park
Protein tyrosine phosphatase 1B (PTP1B) and α-glucosidase are important targets to treat obesity and diabetes, due to their deep correlation with insulin and leptin signalling, and glucose regulation. The methanol extract of Paulownia tomentosa fruits showed potent inhibition against both enzymes. Purification of this extract led to eight geranylated flavonoids (1-8) displaying dual inhibition of PTP1B and α-glucosidase. The isolated compounds were identified as flavanones (1-5) and dihydroflavonols (6-8)...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28929319/a-practical-approach-to-hypertension-management-in-diabetes
#5
REVIEW
Altamash Shaikh
Hypertension is one of the most important comorbidities of diabetes, contributing significantly to death and disability and leads to macrovascular and microvascular complications. When assessing the medical priorities for patients with diabetes, treating hypertension should be a primary consideration. Practical approaches to hypertension in diabetes, including individualized targets are discussed, as per stage and complication of diabetes, according to current studies and guidelines. Angiotensin converting enzyme inhibitors (ACEI)/angiotensin receptor blockers (ARBs) are the most effective drugs for treating hypertension in diabetes, in the absence of contraindications...
September 19, 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/28927103/lack-of-chemopreventive-efficacy-of-metformin-in-rodent-models-of-urinary-bladder-head-and-neck-and-colon-intestine-cancer
#6
Matthew D Thompson, Ronald A Lubet, David L Mccormick, Margie L Clapper, Ann M Bode, M Margaret Juliana, Fariba Moeinpour, Clinton J Grubbs
Metformin is a biguanide employed in treating type II diabetes. Its potential efficacy for treating cancer has been demonstrated epidemiologically (lower cancer incidence in metformin users compared with users of sulfonylureas or insulin) and mechanistically, primarily in cell culture. Metformin decreases the levels of insulin-like growth factor 1 and secondarily inhibits the mammalian target of rapamycin pathway to exhibit anticancer effects. The current study examined its cancer preventive efficacy in multiple standard in situ arising cancer models...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28924380/intracellular-insulin-and-impaired-autophagy-in-a-zebrafish-model-and-a-cell-model-of-type-2-diabetes
#7
Xiang-Hui Meng, Bo Chen, Jing-Pu Zhang
Type 2 diabetes mellitus is characterized by insulin resistance. However, the complete molecular mechanism remains unclear. In this study, zebrafish were fed a long-term high-fat diet to induce type 2 diabetes, which resulted in a higher body weight, body mass index, more lipid vacuoles in liver, increased insulin transcription level in liver, brain and muscle, and high fasting blood glucose in the high-fat diet zebrafish. Oppositely, the transcription levels of insulin substrate-2 and glucose transporter 2 were significantly decreased, indicating insulin signaling pathway and glucose transport impaired in the insulin-targeting tissues...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28921900/efficacy-and-safety-of-switching-from-basal-insulin-to-once-daily-insulin-idegasp-in-japanese-patients-with-inadequately-controlled-type-2-diabetes-a-4-week-randomized-open-label-treat-to-target-study
#8
Yoshio Nagai, Ami Nishine, Eriko Hashimoto, Taiga Nakayama, Yosuke Sasaki, Mariko Murakami, Satoshi Ishii, Hiroyuki Kato, Yasushi Tanaka
AIMS/INTRODUCTION: A prospective, 4-week, single-center, randomized, open-label, parallel-group, treat-to-target study was performed to develop an algorithm for safe and effective switching from basal insulin to once-daily insulin degludec/insulin aspart (IDegAsp) in patients with inadequately controlled type 2 diabetes. MATERIALS AND METHODS: Patients were randomly assigned to continue their current basal insulin therapy (n=10) or to switch to IDegAsp on a 1: 1 unit basis (n=10)...
September 16, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28919437/strategies-for-the-enhanced-intracellular-delivery-of-nanomaterials
#9
REVIEW
Cláudia Azevedo, Maria Helena Macedo, Bruno Sarmento
The intracellular delivery of nanomaterials and drugs has been attracting increasing research interest, mainly because of their important effects and functions in several organelles. Targeting specific organelles can help treat or decrease the symptoms of diabetes, cancer, infectious, and autoimmune diseases. Tuning biological and chemical properties enables the creation of functionalized nanomaterials with enhanced intracellular uptake, ability to escape premature lysosome degradation, and to reach a specific target...
September 14, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28919327/endothelial-microparticle-promoted-inhibition-of-vascular-remodeling-is-abrogated-under-hyperglycaemic-conditions
#10
Felix Jansen, Andreas Zietzer, Tobias Stumpf, Anna Flender, Theresa Schmitz, Georg Nickenig, Nikos Werner
BACKGROUND: Endothelial microparticles (EMPs) inhibit vascular remodeling by transferring functional microRNA (miRNA) into target vascular smooth muscle cells (VSMCs). Because EMPs are increased in diabetic patients and potentially linked to vascular complications in diabetes mellitus, we sought to determine whether effects of EMPs generated under high glucose concentration on vascular remodeling might differ from EMPs derived from untreated cells. METHODS AND RESULTS: EMPs were generated from human coronary endothelial cells (HCAEC) exposed to high glucose concentrations in order to mimic diabetic conditions...
September 14, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28919014/regulation-and-function-of-endothelial-glycocalyx-layer-in-vascular-diseases
#11
REVIEW
Irina Sieve, Anja Münster-Kühnel, Denise Hilfiker-Kleiner
In the vascular system, the endothelial surface layer (ESL) as the inner surface of blood vessels affects mechanotransduction, vascular permeability, rheology, thrombogenesis, and leukocyte adhesion. It creates barriers between endothelial cells and blood and neighbouring cells. The glycocalyx, composed of glycoconjugates and proteoglycans, is an integral component of the ESL and a key element in inter- and intracellular communication and tissue homeostasis. In pathophysiological conditions (atherosclerosis, infection, ischemia/reperfusion injury, diabetes, trauma and acute lung injury) glycocalyx-degrading factors, i...
September 12, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/28918929/vitamin-d-receptor-targeted-treatment-to-prevent-pathological-dedifferentiation-of-pancreatic-%C3%AE-cells-under-hyperglycaemic-stress
#12
A Neelankal John, Z Iqbal, S Colley, G Morahan, M Makishima, F-X Jiang
Dedifferentiation has been identified as one of the causes of β-cell failure resulting in type 2 diabetes (T2D). This study tested whether increasing vitamin D receptor (VDR) expression prevents dedifferentiation of β cells in a high-glucose state in vitro. Culturing a mouse insulinoma cell line (MIN6) in a high-glucose environment decreased VDR expression. However, increased VDR following vitamin D3 (VD3) treatment improved insulin release of early-passage MIN6 and insulin index of db/- (heterozygous) islets to levels seen in normal functional islets...
September 11, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28918064/synthesis-and-in-vitro-study-of-benzofuran-hydrazone-derivatives-as-novel-alpha-amylase-inhibitor
#13
Muhammad Taha, Syed Adnan Ali Shah, Syahrul Imran, Muhammad Afifi, Sridevi Chigurupati, Manikandan Selvaraj, Fazal Rahim, Hayat Ullah, Khalid Zaman, Shantini Vijayabalan
The α-amylase acts as attractive target to treat type-2 diabetes mellitus. Therefore in discovering a small molecule as α-amylase inhibitor, we have synthesized benzofuran carbohydrazide analogs (1-25), characterized through different spectroscopic techniques such as (1)HNMR and EI-MS. All screened analog shows good α-amylase inhibitory potentials with IC50 value ranging between 1.078±0.19 and 2.926±0.05µM when compared with acarbose having IC50=0.62±0.22µM. Only nine analogs among the series such as analogs 3, 5, 7, 8, 10, 12, 21, 23 and 24 exhibit good inhibitory potential with IC50 values 1...
September 7, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28914527/locally-induced-adipose-tissue-browning-by-microneedle-patch-for-obesity-treatment
#14
Yuqi Zhang, Qiongming Liu, Jicheng Yu, Shuangjiang Yu, Jinqiang Wang, Li Qiang, Zhen Gu
Obesity is one of the most serious public health problems in the 21st century that may lead to many comorbidities such as type-2 diabetes, cardiovascular diseases, and cancer. Current treatments toward obesity including diet, physical exercise, pharmacological therapy, as well as surgeries are always associated with low effectiveness or undesired systematical side effects. In order to enhance treatment efficiency with minimized side effects, we developed a transcutaneous browning agent patch to locally induce adipose tissue transformation...
September 15, 2017: ACS Nano
https://www.readbyqxmd.com/read/28913627/everolimus-eluting-bioresorbable-vascular-scaffold-in-daily-clinical-practice-a%C3%A2-single-centre-experience
#15
W S Remkes, R S Hermanides, M W Kennedy, E Fabris, E Kaplan, J P Ottervanger, A W J van 't Hof, E Kedhi
BACKGROUND: Recent evidence has raised concerns regarding the safety of the everolimus-eluting bioresorbable vascular scaffold (E-BVS) (Absorb, Abbott Vascular, Santa Clara, CA, USA). Following these data, the use of this device has diminished in the Netherlands; however, daily practice data are limited. Therefore we studied the incidence of safety and efficacy outcomes with this device in daily clinical practice in a single large tertiary centre in the Netherlands. METHODS: All E‑BVS treated patients were included in this analysis...
September 14, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28913602/devoting-attention-to-glucose-variability-and-hypoglycaemia-in-type-2-diabetes
#16
EDITORIAL
Martin K Rutter
In the Trial Comparing Cardiovascular Safety of Insulin Degludec vs Insulin Glargine in Patients with Type 2 Diabetes at High Risk of Cardiovascular Events (DEVOTE), insulin degludec was non-inferior to insulin glargine in terms of cardiovascular events and mortality. However, there were lower rates of severe hypoglycaemia with insulin degludec. DEVOTE investigators now extend these findings by presenting the results of two observational epidemiological analyses based on trial data. In the first of these analyses (DEVOTE 2), Zinman et al (Diabetologia DOI: 10...
September 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/28913575/day-to-day-fasting-glycaemic-variability-in-devote-associations-with-severe-hypoglycaemia-and-cardiovascular-outcomes-devote-2
#17
Bernard Zinman, Steven P Marso, Neil R Poulter, Scott S Emerson, Thomas R Pieber, Richard E Pratley, Martin Lange, Kirstine Brown-Frandsen, Alan Moses, Ann Marie Ocampo Francisco, Jesper Barner Lekdorf, Kajsa Kvist, John B Buse
AIMS/HYPOTHESIS: The Trial Comparing Cardiovascular Safety of Insulin Degludec vs Insulin Glargine in Patients with Type 2 Diabetes at High Risk of Cardiovascular Events (DEVOTE) was a double-blind, randomised, event-driven, treat-to-target prospective trial comparing the cardiovascular safety of insulin degludec with that of insulin glargine U100 (100 units/ml) in patients with type 2 diabetes at high risk of cardiovascular events. This paper reports a secondary analysis investigating associations of day-to-day fasting glycaemic variability (pre-breakfast self-measured blood glucose [SMBG]) with severe hypoglycaemia and cardiovascular outcomes...
September 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/28913543/devote-3-temporal-relationships-between-severe-hypoglycaemia-cardiovascular-outcomes-and-mortality
#18
Thomas R Pieber, Steven P Marso, Darren K McGuire, Bernard Zinman, Neil R Poulter, Scott S Emerson, Richard E Pratley, Vincent Woo, Simon Heller, Martin Lange, Kirstine Brown-Frandsen, Alan Moses, Jesper Barner Lekdorf, Lucine Lehmann, Kajsa Kvist, John B Buse
AIMS/HYPOTHESIS: The double-blind Trial Comparing Cardiovascular Safety of Insulin Degludec vs Insulin Glargine in Patients with Type 2 Diabetes at High Risk of Cardiovascular Events (DEVOTE) assessed the cardiovascular safety of insulin degludec. The incidence and rates of adjudicated severe hypoglycaemia, and all-cause mortality were also determined. This paper reports a secondary analysis investigating associations of severe hypoglycaemia with cardiovascular outcomes and mortality...
September 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/28911973/novel-oxolane-derivative-dmtd-mitigates-high-glucose-induced-erythrocytes-apoptosis-by-regulating-oxidative-stress
#19
Swamy Jagadish, Mahadevappa Hemshekhar, Somanathapura K NaveenKumar, Kothanahally S Sharath Kumar, Mahalingam S Sundaram, Basappa, Kesturu S Girish, Kanchugarakoppal S Rangappa
Chronic hyperglycemia is one of the characteristic conditions associated with Diabetes Mellitus (DM), which often exerts deleterious effects on erythrocyte morphology and hemodynamic properties leading to anemia and diabetes-associated vascular complications. High glucose-induced over production of reactive oxygen species (ROS) can alter the blood cell metabolism and biochemical functions subsequently causing eryptosis (red blood cell death), yet another complication of concern in DM. Therefore, blocking high glucose-induced oxidative damage and subsequent eryptosis is of high importance in the better management of DM and associated vascular complications...
September 11, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28903914/long-term-treatment-with-the-ghrelin-receptor-antagonist-d-lys3-ghrp-6-does-not-improve-glucose-homeostasis-in-non-obese-diabetic-mkr-mice
#20
Rasha Mosa, Lili Huang, Hongzhuo Li, Michael Grist, Derek LeRoith, Chen Chen
Ghrelin secretion has been associated with increased caloric intake and adiposity. The expressions of ghrelin and its receptor (GHS-R1a) in pancreas have raised the interest about the role of ghrelin in glucose homeostasis. Most of the studies showed that ghrelin promoted hyperglycaemia and inhibited insulin secretion. This raised the interest in using GHS-R1a antagonists as therapeutic targets for type 2 diabetes. Available data of GHS-R antagonists are on a short-term basis. Moreover, the complexity of GHS-R1a signalling makes it difficult to understand the mechanism of action of GHS-R1a antagonists...
September 13, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
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