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https://www.readbyqxmd.com/read/29350061/the-adverse-effects-of-environmental-noise-exposure-on-oxidative-stress-and-cardiovascular-risk
#1
Thomas Münzel, Mette Sørensen, Frank P Schmidt, Erwin Schmidt, Sebastian Steven, Swenja Kröller-Schön, Andreas Daiber
Epidemiological studies have provided evidence that traffic noise exposure is linked to cardiovascular diseases such as arterial hypertension, myocardial infarction and stroke. Noise is a non-specific stressor that activates the autonomous nervous system and endocrine signaling. According to the noise reaction model introduced by Babisch and colleagues, chronic low levels of noise can cause so called non-auditory effects, such as disturbances of activity, sleep and communication, which can trigger a number of emotional responses, including annoyance and subsequent stress...
January 19, 2018: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/29348821/glycan-microarray-reveal-induced-iggs-repertoire-shift-against-a-dietary-carbohydrate-in-response-to-rabbit-anti-human-thymocyte-therapy
#2
Ron Amon, Shani Leviatan Ben-Arye, Limor Engler, Hai Yu, Noha Lim, Ludmilla Le Berre, Kristina M Harris, Mario R Ehlers, Stephen E Gitelman, Xi Chen, Jean-Paul Soulillou, Vered Padler-Karavani
Humans have circulating antibodies against diverse glycans containing N-glycolylneuraminic acid (Neu5Gc) due to function-loss mutation of the CMAH gene. This xenogenic non-human carbohydrate is abundant in red meat, xenografts and biotherapeutics. Low levels of diet-derived Neu5Gc is also present on normal human endothelial cells, and together with anti-Neu5Gc antibodies could potentially mediate "xenosialitis" chronic-inflammation. Rabbit anti-human thymocyte globulin (ATG) is a drug containing polyclonal IgG glycoproteins commonly used as an immunosuppressant in human transplantation and autoimmune diseases...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29341300/inflammatory-and-related-biomarkers-are-associated-with-post-transplant-diabetes-mellitus-in-kidney-recipients
#3
Torbjørn F Heldal, Thor Ueland, Trond Jenssen, Anders Hartmann, Anna V Reisaeter, Pål Aukrust, Annika Michelsen, Anders Åsberg
In this study we investigate the association between selected inflammatory related biomarkers and post transplant hyperglycemia in kidney transplant recipients. This retrospective analysis comprises 852 patients receiving a kidney transplant at the Norwegian national transplant centre between 2007 and 2012, all having a normal oral glucose tolerance test (OGTT) before transplantation. A diagnostic OGTT was performed 10 weeks post-transplant to examine the association between inflammation related biomarkers and two-hour plasma glucose (2HPG) by multivariable linear regression models adjusting for BMI, age, graft function, fasting insulin levels, dosage of prednisolone, and concentration of calcineurin inhibitors...
January 16, 2018: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/29330340/the-adiponectin-receptor-agonist-adiporon-ameliorates-diabetic-nephropathy-in-a-model-of-type-2-diabetes
#4
Yaeni Kim, Ji Hee Lim, Min Young Kim, Eun Nim Kim, Hye Eun Yoon, Seok Joon Shin, Bum Soon Choi, Yong-Soo Kim, Yoon Sik Chang, Cheol Whee Park
Adiponectin exerts renoprotective effects against diabetic nephropathy (DN) by activating the AMP-activated protein kinase (AMPK)/peroxisome proliferative-activated receptor-α (PPARα) pathway through adiponectin receptors (AdipoRs). AdipoRon is an orally active synthetic adiponectin receptor agonist. We investigated the expression of AdipoRs and the associated intracellular pathways in 27 patients with type 2 diabetes and examined the effects of AdipoRon on DN development in male C57BLKS/J db/db mice, glomerular endothelial cells (GECs), and podocytes...
January 12, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29329611/early-intervention-with-didang-decoction-delays-macrovascular-lesions-in-diabetic-rats-through-regulating-amp-activated-protein-kinase-signaling-pathway
#5
Dan-Dan Ren, Jing Li, Bai Chang, Chun-Shen Li, Ju-Hong Yang
The study aimed to investigate the intervening role of Didang decoction (DDD) at different times in macrovascular endothelial defense function, focusing on its effects on the AMP-activated protein kinase (AMPK) signaling pathway. The effects of DDD on mitochondrial energy metabolism were also investigated in rat aortic endothelial cells (RAECs). Type 2 diabetes were induced in rats by streptozotocin (STZ) combined with high fat diet. Rats were randomly divided into non-intervention group, metformin group, simvastatin group, and early-, middle-, late-stage DDD groups...
November 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29319007/calpain-inhibition-improves-erectile-function-in-diabetic-mice-via-upregulating-endothelial-nitric-oxide-synthase-expression-and-reducing-apoptosis
#6
Hao Li, Li-Ping Chen, Tao Wang, Shao-Gang Wang, Ji-Hong Liu
Calpain activation contributes to hyperglycemia-induced endothelial dysfunction and apoptosis. This study was designed to investigate the role of calpain inhibition in improving diabetic erectile dysfunction (ED) in mice. Thirty-eight-week-old male C57BL/6J mice were divided into three groups: (1) nondiabetic control group, (2) diabetic mice + vehicle group, and (3) diabetic mice + MDL28170 (an inhibitor of calpain) group. Type 1 diabetes was induced by intraperitoneal injection of streptozotocin at 60 mg kg-1 body weight for 5 consecutive days...
January 9, 2018: Asian Journal of Andrology
https://www.readbyqxmd.com/read/29310805/basic-components-of-vascular-connective-tissue-and-extracellular-matrix
#7
Jaroslava Halper
Though the composition of the three layers constituting the blood vessel wall varies among the different types of blood vessels, and some layers may even be missing in capillaries, certain basic components, and properties are shared by all blood vessels, though each histologically distinct layer contains a unique complement of extracellular components, growth factors and cytokines, and cell types as well. The structure and composition of vessel layers informs and is informed by the function of the particular blood vessel...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29306791/empagliflozin-rescues-diabetic-myocardial-microvascular-injury-via-ampk-mediated-inhibition-of-mitochondrial-fission
#8
Hao Zhou, Shuyi Wang, Pingjun Zhu, Shunying Hu, Yundai Chen, Jun Ren
Impaired cardiac microvascular function contributes to diabetic cardiovascular complications although effective therapy remains elusive. Empagliflozin, a sodium-glucose cotransporter 2 (SGLT2) inhibitor recently approved for treatment of type 2 diabetes, promotes glycosuria excretion and offers cardioprotective actions beyond its glucose-lowering effects. This study was designed to evaluate the effect of empagliflozin on cardiac microvascular injury in diabetes and the underlying mechanism involved with a focus on mitochondria...
December 30, 2017: Redox Biology
https://www.readbyqxmd.com/read/29305395/ablation-of-endothelial-vegfr1-improves-metabolic-dysfunction-by-inducing-adipose-tissue-browning
#9
Takahiro Seki, Kayoko Hosaka, Carina Fischer, Sharon Lim, Patrik Andersson, Mitsuhiko Abe, Hideki Iwamoto, Yanyan Gao, Xinsheng Wang, Guo-Hua Fong, Yihai Cao
Angiogenesis plays an instrumental role in the modulation of adipose tissue mass and metabolism. Targeting adipose vasculature provides an outstanding opportunity for treatment of obesity and metabolic disorders. Here, we report the physiological functions of VEGFR1 in the modulation of adipose angiogenesis, obesity, and global metabolism. Pharmacological inhibition and genetic deletion of endothelial VEGFR1 augmented adipose angiogenesis and browning of subcutaneous white adipose tissue, leading to elevated thermogenesis...
January 5, 2018: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29301787/akt2-stabilizes-atp7a-a-copper-transporter-for-sod3-extracellular-superoxide-dismutase-in-vascular-smooth-muscles-novel-mechanism-to-limit-endothelial-dysfunction-in-type-2-diabetes-mellitus
#10
Varadarajan Sudhahar, Mustafa Nazir Okur, Zsolt Bagi, John P O'Bryan, Nissim Hay, Ayako Makino, Vijay S Patel, Shane A Phillips, David Stepp, Masuko Ushio-Fukai, Tohru Fukai
OBJECTIVE: Copper transporter ATP7A (copper-transporting/exporting ATPase) is required for full activation of SOD3 (extracellular superoxide dismutase), which is secreted from vascular smooth muscle cells (VSMCs) and anchors to endothelial cell surface to preserve endothelial function by scavenging extracellular superoxide. We reported that ATP7A protein expression and SOD3 activity are decreased in insulin-deficient type 1 diabetes mellitus vessels, thereby, inducing superoxide-mediated endothelial dysfunction, which are rescued by insulin treatment...
January 4, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29285756/expression-distribution-and-function-of-kinin-b1-receptor-in-the-rat-diabetic-retina
#11
Soumaya Hachana, Menakshi Bhat, Jacques Sénécal, Frédéric Huppé-Gourgues, Réjean Couture, Elvire Vaucher
BACKGROUND AND PURPOSE: Kinin B1 receptor (B1R) contributes to vascular inflammation and blood-retinal barrier breakdown in diabetic retinopathy (DR). This study aims at investigating further the changes of expression, the cellular localization and the vascular inflammatory effect of B1R in the retina of streptozotocin diabetic rats. EXPERIMENTAL APPROACH: The distribution of B1R on retinal cell types was investigated by immunocytochemistry. Impact of intravitreal B1R agonist R-838 and eye-drops application of the B1R antagonist R-954 was measured on retinal leukocytes adhesion, gene expression of the kinin and VEGF systems, B1R immunodetection, microgliosis and capillary leakage...
December 29, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29282647/pericytes-the-role-of-multipotent-stem-cells-in-vascular-maintenance-and-regenerative-medicine
#12
Toka A Ahmed, Nagwa El-Badri
Blood vessels consist of an inner endothelial cell layer lining the vessel wall and perivascular pericytes, also known as mural cells, which envelop the vascular tube surface. Pericytes have recently been recognized for their central role in blood vessel formation. Pericytes are multipotent cells that are heterogeneous in their origin, function, morphology and surface markers. Similar to other types of stem cells, pericytes act as a repair system in response to injury by maintaining the structural integrity of blood vessels...
December 28, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29277271/is-there-a-role-for-exosomes-in-foetoplacental-endothelial-dysfunction-in-gestational-diabetes-mellitus
#13
REVIEW
Tamara Sáez, Paul de Vos, Luis Sobrevia, Marijke M Faas
Gestational diabetes mellitus (GDM) is a disease of pregnancy associated with endothelial dysfunction in the foetoplacental vasculature. Foetoplacental endothelial dysfunction is characterized by changes in the l-arginine-adenosine signalling pathway and inflammation. The mechanisms involved in these alterations are suggested to be hyperglycaemia, hyperinsulinemia, and oxidative stress. These conditions increase the release of exosomes, nanovesicles that are generated from diverse cell types, including endothelial cells...
January 2018: Placenta
https://www.readbyqxmd.com/read/29274507/mediterranean-diet-improves-endothelial-function-in-patients-with-diabetes-and-prediabetes-a-report-from-the-cordioprev-study
#14
Jose D Torres-Peña, Antonio Garcia-Rios, Nieves Delgado-Casado, Purificacion Gomez-Luna, Juan F Alcala-Diaz, Elena M Yubero-Serrano, Francisco Gomez-Delgado, Ana Leon-Acuña, Javier Lopez-Moreno, Antonio Camargo, Francisco J Tinahones, Javier Delgado-Lista, Jose M Ordovas, Pablo Perez-Martinez, Jose Lopez-Miranda
BACKGROUND AND AIMS: Endothelial dysfunction (ED) plays a key role in the development of atherosclerotic cardiovascular disease (ASCVD). Likewise, type 2 diabetes (T2D) is a major CVD risk factor. Therefore, our objective was to explore whether long-term consumption of a Mediterranean diet (MedDiet) rich in olive oil or a low-fat diet (LF diet) was associated with an improvement in ED and whether the potential benefits were similar in patients with or without T2D in the CORDIOPREV clinical trial (NCT00924937)...
December 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29262395/salvianolic-acid-a-protects-against-diabetic-nephropathy-through-ameliorating-glomerular-endothelial-dysfunction-via-inhibiting-age-rage-signaling
#15
Biyu Hou, Guifen Qiang, Yuerong Zhao, Xiuying Yang, Xi Chen, Yu Yan, Xiaobo Wang, Chenge Liu, Li Zhang, Guanhua Du
BACKGROUND/AIMS: Glomerular endothelium dysfunction leads to the progression of renal architectonic and functional abnormalities in early-stage diabetic nephropathy (DN). Advanced glycation end products (AGEs) and receptor for AGEs (RAGE) are proved to play important roles in diabetic nephropathy. This study investigated the role of Salvianolic acid A (SalA) on early-stage DN and its possible underlying mechanism. METHODS: In vitro AGEs formation and breaking rate were measured to illustrate the effect of SalA on AGEs...
December 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29259803/preliminary-evidence-supports-circulating-micrornas-as-prognostic-biomarkers-for-type-2-diabetes
#16
E Flowers, A M Kanaya, Y Fukuoka, I E Allen, B Cooper, B E Aouizerat
Background: Circulating microRNAs are emerging as potential prognostic biomarkers for the development of type 2 diabetes. However, microRNAs are also associated with complications from impaired glucose metabolism (e.g. endothelial cell function). Prior studies have not evaluated for associations between trajectories of circulating microRNAs with trajectories of fasting blood glucose over time and the responses to behavioral interventions to reduce risk. This study performed longitudinal assessment of microRNAs and fasting blood glucose and identified relationships between microRNAs and behavioral risk reduction interventions...
December 2017: Obesity Science & Practice
https://www.readbyqxmd.com/read/29247656/mrna-expression-of-platelet-activating-factor-receptor-pafr-in-peripheral-blood-mononuclear-cells-is-associated-with-albuminuria-and-vascular-dysfunction-in-patients-with-type-2-diabetes
#17
Mihoko Kurano, Sahar Ghavidel Darestani, Atsushi Shinnakasu, Kiyoaki Yamamoto, Yukari Dochi, Kayo Uemura, Yuko Ikeda, Akira Kikuchi, Hiroshi Hashiguchi, Takahisa Deguchi, Yoshihiko Nishio
AIMS: Renal dysfunction in addition to diabetes is a serious risk factor for cardiovascular events. We hypothesized that some of the changes in gene expression in blood cells cause renal dysfunction and macrovascular disease through impaired endothelial function. This study aimed to define which changes in gene expression in peripheral blood mononuclear cells (PBMCs) are related to renal function parameters and endothelial function of large arteries in patients with type 2 diabetes mellitus (T2DM)...
December 13, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29241364/health-benefits-of-pistachios-consumption
#18
Simona Terzo, Sara Baldassano, Gaetano Felice Caldara, Vincenzo Ferrantelli, Gianluigi Lo Dico, Flavia Mulè, Antonella Amato
The health benefits of nuts, mainly in relation to the improvement of dysmetabolic conditions such as obesity, type 2 diabetes mellitus and the related cardiovascular diseases, have been widely demonstrated. Compared to other nuts, pistachios have a lower fat and caloric content, and contain the highest levels of unsaturated fatty acids, potassium, γ-tocopherol, phytosterols and xanthophyll carotenoids, all substances that are well known for their antioxidant and anti-inflammatory actions. This variety of nutrients contributes to the growing body of evidence that the consumption of pistachios improves health, leading to a greater potential of healthy antioxidant and anti-inflammatory activity, glycemic control, and endothelial function...
December 15, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29237999/the-relationships-among-hyperuricemia-body-mass-index-and-impaired-renal-function-in-type-2-diabetic-patients
#19
Yongmei Li, Xing Fan, Chunjun Li, Xinyue Zhi, Liyuan Peng, Hongling Han, Bei Sun
Chronic kidney disease (CKD) is a common chronic microvascular complication and the major cause of death in diabetic patients. This study was conceived to explore the possible mechanisms of how hyperuricemia and obesity contribute to renal function impairment in type 2 diabetic (T2DM) patients. A cross-sectional study in 609 participants recruited from a T2DM population in North China was conducted. The multiplicative interaction between body mass index (BMI) and uric acid (UA) level was assessed using an interaction term in a logistic regression analysis...
December 13, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/29233018/type-1-diabetic-patients-have-better-endothelial-function-after-simultaneous-pancreas-kidney-transplantation-than-after-kidney-transplantation-with-continued-insulin-therapy
#20
Jacek Ziaja, Adrian P Kowalik, Aureliusz Kolonko, Dorota Kamińska, Aleksander J Owczarek, Agata Kujawa-Szewieczek, Mariusz A Kusztal, Joanna Badura, Dominika Bożek-Pająk, Piotr Choręza, Agnieszka Zakrzewska, Robert Król, Stefan Chłopicki, Marian Klinger, Andrzej Więcek, Jerzy Chudek, Lech Cierpka
The purpose of this study was to analyse the influence of simultaneous pancreas-kidney or kidney transplantation on endothelial function and systemic inflammation in type 1 diabetic patients with end-stage renal disease. In 39 simultaneous pancreas-kidney, 39 type 1 diabetic kidney and 52 non-diabetic kidney recipients, flow-mediated dilatation was measured. Additionally, blood glycated haemoglobin, serum creatinine and lipids, plasma nitrites [Formula: see text] and nitrates, asymmetric dimethylarginine, soluble vascular cell adhesion molecule-1, intercellular adhesion molecule-1, and E-selectin, high-sensitivity C-reactive protein, tumour necrosis factor-α, interleukin 1β and interleukin 6 concentrations were assessed...
December 1, 2017: Diabetes & Vascular Disease Research
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