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endothelial function type diabetes

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https://www.readbyqxmd.com/read/28523459/plasma-vascular-endothelial-growth-factor-b-levels-are-increased-in-patients-with-newly-diagnosed-type-2-diabetes-mellitus-and-associated-with-the-first-phase-of-glucose-stimulated-insulin-secretion-function-of-%C3%AE-cell
#1
J Wu, H Wei, H Qu, Z Feng, J Long, Q Ge, H Deng
PURPOSE: To detect plasma vascular endothelial growth factor B (VEGF-B) in individuals with different glucose tolerance and investigate the relationship between plasma VEGF-B levels and the first phase of glucose-stimulated insulin secretion. METHODS: A cross-sectional study was conducted involving 45 patients with newly diagnosed type 2 diabetes mellitus (T2DM), 37 patients with impaired glucose regulation (IGR), and 39 Normal glucose tolerance (NGT) subjects, all of whom underwent intravenous glucose tolerance test...
May 18, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28497367/enpp1-121q-functional-variant-enhances-susceptibility-to-coronary-artery-disease-in-south-indian-patients-with-type-2-diabetes-mellitus
#2
S Sumi, Surya Ramachandran, V RamanKutty, Maulin M Patel, T N Anand, Ajit S Mullasari, C C Kartha
Insulin resistance is associated with endothelial dysfunction and ensuing cardiovascular diseases in type 2 diabetes mellitus (T2DM) patients. ENPP1 is a key modulator of insulin signaling and its polymorphism, K121Q, increases the potency to competitively inhibit insulin receptor binding. We investigated the association of ENPP1 121Q variant with coronary artery disease (CAD) in patients with and without T2DM in South Indian population. Our study was conducted in 913 subjects: 198 patients with CAD, 284 patients in whom T2DM and CAD co-exists, 160 patients with T2DM and no CAD history, and 271 healthy volunteers...
May 11, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28488397/dietary-sodium-intake-relates-to-vascular-health-in-children-with-type-1-diabetes
#3
Jemma Anderson, Jennifer J Couper, Sarah Toome, Christine Mpundu-Kaambwa, Lynne C Giles, Roger Gent, Brian Coppin, Alexia S Peña
BACKGROUND AND OBJECTIVE: Children with type 1 diabetes (T1D) have vascular dysfunction and frequently struggle to adhere to dietary recommendations. Limited data exist for the vascular consequences of poor diet quality in children. We aimed to evaluate the association between dietary components and vascular function in children with T1D. METHODS: Cross-sectional study including 90 children (13.6 [3.5] years, 41 boys) with T1D. They had evaluation of dietary micro and macronutrients (Australian Child and Adolescent Eating Survey), vascular endothelial and smooth muscle function (flow-mediated dilatation and glyceryl trinitrate mediated dilatation [GTN], respectively), clinical and biochemical variables...
May 10, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28482676/skin-microvascular-endothelial-dysfunction-is-associated-with-type-2-diabetes-independently-of-microalbuminuria-and-arterial-stiffness
#4
Hanna Jonasson, Sara Bergstrand, Fredrik H Nystrom, Toste Länne, Carl Johan Östgren, Niclas Bjarnegård, Ingemar Fredriksson, Marcus Larsson, Tomas Strömberg
Skin and kidney microvascular functions may be affected independently in diabetes mellitus. We investigated skin microcirculatory function in 79 subjects with diabetes type 2, where 41 had microalbuminuria and 38 not, and in 41 age-matched controls. The oxygen saturation, fraction of red blood cells and speed-resolved microcirculatory perfusion (% red blood cells × mm/s) divided into three speed regions: 0-1, 1-10 and above 10 mm/s, were assessed during baseline and after local heating of the foot with a new device integrating diffuse reflectance spectroscopy and laser Doppler flowmetry...
May 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28474283/hucmncs-protect-vascular-endothelium-and-prevent-isr-after-endovascular-interventional-therapy-for-vascular-diseases-in-t2dm-rabbits
#5
Haixia Ding, Tong Zhang, Yaping Du, Bei Liu, Yueqin Liu, Fujun Wang
The therapeutic effect of transplantation of human umbilical cord blood cell-derived mononuclear cells (HUCMNCs) on treating in-stent restenosis (ISR) after endovascular interventional therapy (EIT) was evaluated in preclinical rabbit model of type 2 diabetes mellitus (T2DM)-related peripheral artery disease (PAD). HUCMNCs were transplanted to T2DM rabbits subjected to femoral artery occlusion surgery and received EIT. Serum concentration of soluble vascular endothelial cadherin (VE-cad) and plasma concentration of lipoprotein-associated phospholipase A2 (Lp-PLA2) were determined with enzyme-linked immunosorbent assay before and after the transplantation...
May 4, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28473248/endothelial-deletion-of-mtorc1-protects-against-hindlimb-ischemia-in-diabetic-mice-via-activation-of-autophagy-attenuation-of-oxidative-stress-and-alleviation-of-inflammation
#6
Wensi Fan, Dong Han, Zhongchan Sun, Sai Ma, Lei Gao, Jiangwei Chen, Xiang Li, Xiujuan Li, Miaomiao Fan, Congye Li, Dahai Hu, Yabin Wang, Feng Cao
Peripheral arterial disease (PAD) complicated with diabetes mellitus (DM) still remains a thorny issue due to lack of effective strategies. Our previous study has demonstrated that inhibition of mTORC1 protected adipose-derived stromal cells from hindlimb ischemic injury in PAD mice. However, whether inhibition of mTORC1 could protect against PAD in diabetes mellitus and the underlying mechanisms remained elusive. In this study, we employed endothelial-specific raptor (an essential component of the mTORC1 signaling complex) knockout (KO) mice (Tie2-mTORC1(ko)) to investigate whether and how mTORC1 downregulation could alleviate hindlimb ischemic injury in diabetic mice...
May 1, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28462118/insulin-resistance-vascular-function-and-exercise
#7
REVIEW
Moon-Hyon Hwang, Sewon Lee
Insulin resistance associated with metabolic syndrome and Type 2 diabetes mellitus is an epidemic metabolic disorder, which increases the risk of cardiovascular complications. Impaired vascular endothelial function is an early marker for atherosclerosis, which causes cardiovascular complications. Both experimental and clinical studies indicate that endothelial dysfunction in vasculatures occurs with insulin resistance. The associated physiological mechanisms are not fully appreciated yet, however, it seems that augmented oxidative stress, a physiological imbalance between oxidants and antioxidants, in vascular cells is a possible mechanism involved in various vascular beds with insulin resistance and hyperglycemia...
September 2016: Integr Med Res
https://www.readbyqxmd.com/read/28440196/mir-126-as-a-therapeutic-agent-for-diabetes-mellitus
#8
Elham Pishavar, Javad Behravan
Diabetes mellitus (DM) is a metabolic disorder which is characterized by inappropriate hyperglycemia. It is becoming an epidemic disease in developing countries. Diabetic patients are frequently afflicted with a vascular dysfunction and wound healing defect. In spite of intense investigations, over the past 2-3 decades, optimal treatment options and related mechanisms are still unclear. MicroRNAs (miRNAs) are small noncoding RNAs considered as regulators of a vast number of biological processes including endothelial cell function controlling molecular signaling pathways in diabetic pathogenesis...
April 24, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28432570/vascular-and-endothelial-function-in-youth-with-type-2-diabetes-mellitus
#9
REVIEW
Amy S Shah, Elaine M Urbina
PURPOSE OF REVIEW: This review aims to discuss the burden of type 2 diabetes in youth and summarize the studies that have utilized noninvasive techniques to assess early vascular disease in youth with type 2 diabetes. RECENT FINDINGS: Noninvasive imaging modalities provide researchers with tools to investigate the vasculature in adolescents with type 2 diabetes. The data published to date consistently show adolescents with type 2 diabetes have greater vascular thickness and stiffness and worse endothelial function compared to their obese and lean peers...
June 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28432469/renal-findings-in-patients-with-mulibrey-nanism
#10
Johanna Sivunen, Susann Karlberg, Jouko Lohi, Niklas Karlberg, Marita Lipsanen-Nyman, Hannu Jalanko
BACKGROUND: Mulibrey nanism (MUL) is a rare inherited disease caused by genetic defects affecting peroxisomal TRIM37 protein. MUL affects multiple organs, leading to growth retardation and early onset type 2 diabetes. We aimed to characterize the structure and function of kidneys and the urinary tract in a large cohort of Finnish MUL patients. METHODS: Ultrasound, magnetic resonance imaging (MRI), and autopsy findings of the kidneys and urinary tract from 101 MUL patients were retrospectively analyzed...
April 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28431037/gestational-diabetes-alters-functions-in-offspring-s-umbilical-cord-cells-with-implications-for-cardiovascular-health
#11
Ajith Isaac Amrithraj, Anjaneyulu Kodali, Linh Nguyen, Adrian Kee Keong Teo, Cheng Wei Chang, Neerja Karnani, Kai Lyn Ng, Peter D Gluckman, Yap Seng Chong, Walter Stünkel
As non-communicable diseases such as type 2 diabetes mellitus have their roots in prenatal development and conditions such as maternal gestational diabetes (GDM), we aimed to test this hypothesis in primary cells derived from the offspring of GDM mothers compared to control subjects. We have assessed primary umbilical cord derived cells such as human umbilical vein endothelial cells (HUVECs) and Wharton's jelly derived mesenchymal stem cells (WJMSCs) from both, the offspring of GDM and non-GDM mothers. We have compared the primary isolates in cell based assays measuring proliferation, mitochondrial oxygen consumption, and the ability to support blood vessel growth...
April 19, 2017: Endocrinology
https://www.readbyqxmd.com/read/28427390/advanced-glycation-end-products-decreases-expression-of-endothelial-nitric-oxide-synthase-through-oxidative-stress-in-human-coronary-artery-endothelial-cells
#12
Xiaomei Ren, Liqun Ren, Qin Wei, Hua Shao, Long Chen, Naifeng Liu
BACKGROUND: Advanced glycation end-products (AGEs) are elevated under diabetic conditions and associated with insulin resistance, endothelial dysfunction and vascular inflammation in humans. It has been demonstrated that AGEs evoke oxidative and inflammatory reactions in endothelial cells through the interaction with a receptor for AGEs (RAGE). Here, we aimed to identify the cellular mechanisms by which AGEs exacerbate the endothelial dysfunction in human coronary artery endothelial cells (HCAECs)...
April 20, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28422378/cellular-retinoic-acid-bioavailability-in-various-pathologies-and-its-therapeutic-implication
#13
REVIEW
Makoto Osanai
Retinoic acid (RA), an active metabolite of vitamin A, is a critical signaling molecule in various cell types. We found that RA depletion caused by expression of the RA-metabolizing enzyme CYP26A1 promotes carcinogenesis, implicating CYP26A1 as a candidate oncogene. Several studies of CYP26s have suggested that the biological effect of RA on target cells is primarily determined by "cellular RA bioavailability", which is defined as the RA level in an individual cell, rather than by the serum concentration of RA...
April 19, 2017: Pathology International
https://www.readbyqxmd.com/read/28422298/bridging-type-2-diabetes-and-alzheimer-s-disease-assembling-the-puzzle-pieces-in-the-quest-for-the-molecules-with-therapeutic-and-preventive-potential
#14
REVIEW
Ana Marta de Matos, Maria Paula de Macedo, Amélia Pilar Rauter
Type 2 diabetes (T2D) and Alzheimer's disease (AD) are two age-related amyloid diseases that affect millions of people worldwide. Broadly supported by epidemiological data, the higher incidence of AD among type 2 diabetic patients led to the recognition of T2D as a tangible risk factor for the development of AD. Indeed, there is now growing evidence on brain structural and functional abnormalities arising from brain insulin resistance and deficiency, ultimately highlighting the need for new approaches capable of preventing the development of AD in type 2 diabetic patients...
April 19, 2017: Medicinal Research Reviews
https://www.readbyqxmd.com/read/28407661/effect-of-saxagliptin-on-circulating-endothelial-progenitor-cells-and-endothelial-function-in-newly-diagnosed-type-2-diabetic-patients
#15
Fang Li, Jiachao Chen, Fei Leng, Zhiqiang Lu, Yan Ling
Endothelial dysfunction is associated with the risk of cardiovascular complications in diabetic patients. Endothelial progenitor cells (EPCs) and flow-mediated dilation (FMD) are common markers of endothelial function. In this study, we aim to investigate whether the DPP-4 inhibitor saxagliptin modulate EPCs number and FMD in newly diagnosed, treatment-naive type 2 diabetic patients. This was a controlled, randomized, open-label clinical trial. Saxagliptin group and metformin group consumed either saxagliptin 5 mg per day or metformin 1 500 mg per day respectively for 12 weeks...
April 13, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28403850/rationale-and-design-of-a-multicenter-placebo-controlled-double-blind-randomized-trial-to-evaluate-the-effect-of-empagliflozin-on-endothelial-function-the-emblem-trial
#16
RANDOMIZED CONTROLLED TRIAL
Atsushi Tanaka, Michio Shimabukuro, Yosuke Okada, Isao Taguchi, Minako Yamaoka-Tojo, Hirofumi Tomiyama, Hiroki Teragawa, Seigo Sugiyama, Hisako Yoshida, Yasunori Sato, Atsushi Kawaguchi, Yumi Ikehara, Noritaka Machii, Tatsuya Maruhashi, Kosuke R Shima, Toshinari Takamura, Yasushi Matsuzawa, Kazuo Kimura, Masashi Sakuma, Jun-Ichi Oyama, Teruo Inoue, Yukihito Higashi, Shinichiro Ueda, Koichi Node
BACKGROUND: Type 2 diabetes mellitus (T2DM) is characterized by systemic metabolic abnormalities and the development of micro- and macrovascular complications, resulting in a shortened life expectancy. A recent cardiovascular (CV) safety trial, the EMPA-REG OUTCOME trial, showed that empagliflozin, a sodium glucose cotransporter 2 (SGLT2) inhibitor, markedly reduced CV death and all-cause mortality and hospitalization for heart failure in patients with T2DM and established CV disease (CVD)...
April 12, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28396983/the-islet-endothelial-cell-a-novel-contributor-to-beta-cell-secretory-dysfunction-in-diabetes
#17
REVIEW
Meghan F Hogan, Rebecca L Hull
The pancreatic islet is highly vascularised, with an extensive capillary network. In addition to providing nutrients and oxygen to islet endocrine cells and transporting hormones to the peripheral circulation, islet capillaries (comprised primarily of islet endothelial cells) are an important source of signals that enhance survival and function of the islet beta cell. In type 2 diabetes, and animal models thereof, evidence exists of morphological and functional abnormalities in these islet endothelial cells...
June 2017: Diabetologia
https://www.readbyqxmd.com/read/28395029/mitochondrial-and-morphologic-alterations-in-native-human-corneal-endothelial-cells-associated-with-diabetes-mellitus
#18
Benjamin T Aldrich, Ursula Schlötzer-Schrehardt, Jessica M Skeie, Kimberlee A Burckart, Gregory A Schmidt, Cynthia R Reed, M Bridget Zimmerman, Friedrich E Kruse, Mark A Greiner
Purpose: To characterize changes in the energy-producing metabolic activity and morphologic ultrastructure of corneal endothelial cells associated with diabetes mellitus. Methods: Transplant suitable corneoscleral tissue was obtained from donors aged 50 to 75 years. We assayed 3-mm punches of endothelium-Descemet membrane for mitochondrial respiration and glycolysis activity using extracellular flux analysis of oxygen and pH, respectively. Transmission electron microscopy was used to assess qualitative and quantitative ultrastructural changes in corneal endothelial cells and associated Descemet membrane...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28385702/a-shift-in-apom-s1p-between-hdl-particles-in-women-with-type-1-diabetes-mellitus-is-associated-with-impaired-anti-inflammatory-effects-of-the-apom-s1p-complex
#19
Cecilia Frej, Armando J Mendez, Mario Ruiz, Melanie Castillo, Thomas A Hughes, Björn Dahlbäck, Ronald B Goldberg
OBJECTIVE: Type 1 diabetes mellitus (T1D) patients have an increased risk of cardiovascular disease despite high levels of high-density lipoproteins (HDL). Apolipoprotein M (apoM) and its ligand sphingosine 1-phospate (S1P) exert many of the anti-inflammatory effects of HDL. We investigated whether apoM and S1P are altered in T1D and whether apoM and S1P are important for HDL functionality in T1D. APPROACH AND RESULTS: ApoM and S1P were quantified in plasma from 42 healthy controls and 89 T1D patients...
April 6, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28378733/-prognostic-factors-in-patients-with-non-st-segment-elevation-acute-coronary-syndrome-concurrent-with-type-2-diabetes-mellitus-according-to-the-results-of-the-registry
#20
A P Golikov, S A Berns, R I Stryuk, E A Shmidt, A A Golikova, O L Barbarash
AIM: To investigate factors that influence annual prognosis in patients with non-ST-segment elevation acute coronary syndrome ((NSTEACS) concurrent with type 2 diabetes mellitus (DM2). SUBJECTS AND METHODS: The registry of patients with NSTEACS (non-ST-segment elevation myocardial infarction (NSTEMI), unstable angina) included 415 patients, of them 335 had no carbohydrate metabolic disorders, 80 had DM2. The follow-up period, during which the prognosis was evaluated in the patients, was one year after hospital discharge following the index NSTEACS event...
2017: Terapevticheskiĭ Arkhiv
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