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endothelial function type diabetes

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https://www.readbyqxmd.com/read/28431037/gestational-diabetes-alters-functions-in-offspring-s-umbilical-cord-cells-with-implications-for-cardiovascular-health
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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...
April 10, 2017: Diabetologia
https://www.readbyqxmd.com/read/28395029/mitochondrial-and-morphologic-alterations-in-native-human-corneal-endothelial-cells-associated-with-diabetes-mellitus
#8
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
#9
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
#10
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
https://www.readbyqxmd.com/read/28374151/an-update-on-the-potential-role-of-c-peptide-in-diabetes-and-osteoporosis
#11
Arturo Pujia, Carmine Gazzaruso, Tiziana Montalcini
PURPOSE: C-peptide secretion is deficient or absent in type 1 diabetes mellitus. It is well accepted that insulin replacement therapy cannot prevent the development of long-term diabetes-related complications, which can often be disabling or even life-threatening. Several cross-sectional investigations have suggested that residual C-peptide production in patients with type 1 diabetes mellitus would help prevent a number of complications. In animal models of diabetes and in patients with type 1 diabetes mellitus, C-peptide replacement improves renal function, skin and skeletal muscle blood flow, nerve conduction, glucose utilization, and other diabetes-related complications...
April 3, 2017: Endocrine
https://www.readbyqxmd.com/read/28371470/role-of-renal-vascular-potassium-channels-in-physiology-and-pathophysiology
#12
REVIEW
Max Salomonsson, Jens Christian Brasen, Charlotte M Sorensen
The control of renal vascular tone is important for the regulation of salt and water balance, blood pressure and the protection against damaging elevated glomerular pressure. The K(+) conductance is a major factor in the regulation of the membrane potential (Vm ) in vascular smooth muscle (VSMC) and endothelial cells (EC). The vascular tone is controlled by Vm via its effect on the opening probability of voltage operated Ca(2+) channels (VOCC) in VSMC. When K(+) conductance increases Vm becomes more negative and vasodilation follows, while deactivation of K(+) channels leads to depolarization and vasoconstriction...
March 30, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28359367/nutritional-regulation-of-coupling-factor-6-a-novel-vasoactive-and-proatherogenic-peptide
#13
REVIEW
Tomohiro Osanai, Kasumi Mikami, Maiko Kitajima, Mayumi Urushizaka, Kumiko Kawasaki, Toshiko Tomisawa, Chieko Itaki, Yuka Noto, Koji Magota, Hirofumi Tomita
High sodium, high glucose, and obesity are important risk factors for age-related diseases such as cardiovascular disease (CVDs), stroke, and cancer. Coupling factor 6 (CF6) is released from vascular endothelial cells and functions as a circulating peptide that inhibits prostacyclin and nitric oxide generation by intracellular acidosis. High glucose elevates CF6 by activation of protein kinase C and p38 mitogen-activated protein kinase, whereas CF6 causes type 2 diabetes mellitus, resulting in a high glucose vicious cycle...
May 2017: Nutrition
https://www.readbyqxmd.com/read/28356058/hiv-infected-persons-with-type-2-diabetes-show-evidence-of-endothelial-dysfunction-and-increased-inflammation
#14
Malene Hove-Skovsgaard, Julie Christine Gaardbo, Lilian Kolte, Kamilla Winding, Ingebjørg Seljeflot, Asbjørn Svardal, Rolf Kristian Berge, Jan Gerstoft, Henrik Ullum, Marius Trøseid, Susanne Dam Nielsen
BACKGROUND: Increased incidence of cardiovascular diseases (CVD) in both HIV infection and type 2 diabetes (T2D) compared to the general population has been described. Little is known about the combined effect of HIV infection and T2D on inflammation and endothelial function, both of which may contribute to elevated risk of CVD. METHODS: Cross-sectional study including 50 HIV-infected persons on combination anti-retroviral therapy (cART), with HIV RNA <200 copies/mL (n = 25 with T2D (HIV + T2D+), n = 25 without T2D (HIV + T2D-)) and 50 uninfected persons (n = 22 with T2D (HIV-T2D+) and n = 28 without T2D (HIV-T2D-))...
March 29, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28350823/cluster-analysis-to-estimate-the-risk-of-preeclampsia-in-the-high-risk-prediction-and-prevention-of-preeclampsia-and-intrauterine-growth-restriction-predo-study
#15
Pia M Villa, Pekka Marttinen, Jussi Gillberg, A Inkeri Lokki, Kerttu Majander, Maija-Riitta Ordén, Pekka Taipale, Anukatriina Pesonen, Katri Räikkönen, Esa Hämäläinen, Eero Kajantie, Hannele Laivuori
OBJECTIVES: Preeclampsia is divided into early-onset (delivery before 34 weeks of gestation) and late-onset (delivery at or after 34 weeks) subtypes, which may rise from different etiopathogenic backgrounds. Early-onset disease is associated with placental dysfunction. Late-onset disease develops predominantly due to metabolic disturbances, obesity, diabetes, lipid dysfunction, and inflammation, which affect endothelial function. Our aim was to use cluster analysis to investigate clinical factors predicting the onset and severity of preeclampsia in a cohort of women with known clinical risk factors...
2017: PloS One
https://www.readbyqxmd.com/read/28339557/deficiency-of-circulating-progenitor-cells-associated-with-vascular-thrombosis-of-hemodialysis-patients
#16
Mu-Yang Hsieh, Tsung-Yan Chen, Lin Lin, Shao-Yuan Chuang, Shing-Jong Lin, Der-Cheng Tarng, Po-Hsun Huang, Chih-Cheng Wu
Background.: Hemodialysis (HD) patients have an increased risk of thrombosis. Endothelial progenitor cells (EPCs), which function in vascular repair, are deficient in HD patients. Nonetheless, the relationship between EPC deficiency and thrombosis in HD patients is unknown. Methods.: From January 2010 to December 2012, circulating levels of EPCs that were positive for CD34 and kinase insert domain receptor (KDR) were measured in 269 HD patients. Patients received prospective follow-ups at 6-month intervals until May 2015...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28332240/lower-urinary-tract-symptoms-benign-prostatic-hypertrophy-and-vascular-function-role-of-the-nitric-oxide-phosphodiesterase-type-5-cyclic-guanosine-3-5-monophosphate-pathway
#17
REVIEW
Yukihito Higashi
It is well known that there is an association of lower urinary tract symptoms/benign prostatic hypertrophy with cardiovascular disease, suggesting that lower urinary tract symptoms/benign prostatic hypertrophy is a risk factor for cardiovascular events. Vascular function, including endothelial function and vascular smooth muscle function, is involved in the pathogenesis, maintenance and development of atherosclerosis, leading to cardiovascular events. Vascular dysfunction per se should also contribute to lower urinary tract symptoms/benign prostatic hypertrophy...
March 22, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28327146/association-between-obstructive-sleep-apnea-severity-and-endothelial-dysfunction-in-patients-with-type-2-diabetes
#18
Vanessa Bironneau, François Goupil, Pierre Henri Ducluzeau, Marc Le Vaillant, Pierre Abraham, Samir Henni, Séverine Dubois, Audrey Paris, Pascaline Priou, Nicole Meslier, Claire Sanguin, Wojciech Trzépizur, Ramaroson Andriantsitohaina, Maria Carmen Martinez, Frédéric Gagnadoux
BACKGROUND: Obstructive sleep apnea (OSA) and type 2 diabetes (T2D) are associated with endothelial dysfunction a main predictor of late cardiovascular (CV) events. Despite the high prevalence of OSA in patients with T2D, the impact of OSA severity on endothelial function has not been clearly elucidated. The aim of this cross-sectional study was to determine whether increasing OSA severity is associated with poorer endothelial function in patients with T2D. METHODS: 140 patients with T2D and no overt CV disease underwent polysomnography, peripheral arterial tonometry, clinic blood pressure (BP) measurement, biological assessment for CV risk factors, daytime sleepiness and health related quality of life (HRQL) questionnaires...
March 21, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28322157/diabetes-related-neurological-implications-and-pharmacogenomics
#19
Rojas Carranza Camilo Andrés, Bustos Cruz Rosa Helena, Pino Pinzón Carmen Juliana, Ariza Marquez Yeimy Viviana, Gómez Bello Rosa Margarita, Cañadas Garre Marisa
Diabetes mellitus (DM) is the most commonly occurring cause of neuropathy around the world and is beginning to grow in countries where there is a risk of obesity. DM Type II, (T2DM) is a common age-related disease and is a major health concern, particularly in developed countries in Europe where the population is aging. T2DM is a chronic disease which is characterised by hyperglycemia, hyperinsulinemia and insulin resistance, together with the body's inability to use glucose as energy. Such metabolic disorder produces a chronic inflammatory state, as well as changes in lipid metabolism leading to hypertriglyceridemia, thereby producing chronic deterioration of the organs and premature morbidity and mortality...
March 17, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28315330/microrna-29-regulates-myocardial-microvascular-endothelial-cells-proliferation-and-migration-in-association-with-igf1-in-type-2-diabetes
#20
Zhenjie Li, Qingcai Yue, Haiying Peng
BACKGROUND: In our study, we investigated the expression and function of microRNA-29 in myocardial microvascular endothelial cells (MMEVC) in type 2 diabetic Goto-Kakizaki (GK) rats. METHODS: MiR-29 gene expression was compared, by qRT-PCR between diabetic GK rat MMEVC and non-diabetic Wistar rat MMEVC. MiR-29 was downregulated in GK MMEVC and its effect on angiogenic properties of proliferation and migration was examined. Potential downstream target gene of miR-29, insulin growth factor 1 (IGF1), was assessed by dual-luciferase reporter assay, qRT-PCR and western blot in GK MMEVC...
March 15, 2017: Biochemical and Biophysical Research Communications
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