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Endothelial dysfunction

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https://www.readbyqxmd.com/read/28430983/absence-of-endothelial-er%C3%AE-results-in-arterial-remodeling-and-decreased-stiffness-in-western-diet-fed-male-mice
#1
Camila Manrique-Acevedo, Francisco I Ramirez-Perez, Jaume Padilla, Victoria J Vieira-Potter, Annayya R Aroor, Brady J Barron, Dongqing Chen, Dominic Haertling, Cory Declue, James R Sowers, Luis A Martinez-Lemus
The role of estrogen receptor alpha (ERα) signaling in the vasculature of females has been described under different experimental conditions and our group recently reported that lack of endothelial ERα in female mice fed a Western diet (WD) results in amelioration of vascular stiffness. Conversely, the role of ERα in the male vasculature in this setting has not been explored. In conditions of over-nutrition and insulin resistance, augmented arterial stiffness, endothelial dysfunction and arterial remodeling contribute to the development of cardiovascular disease...
April 18, 2017: Endocrinology
https://www.readbyqxmd.com/read/28430921/association-between-cardiovascular-health-and-endothelial-function-with-future-erectile-dysfunction-the-multi-ethnic-study-of-atherosclerosis
#2
Abbi D Lane-Cordova, Kiarri Kershaw, Kiang Liu, David Herrington, Donald M Lloyd-Jones
BACKGROUND: The association of Cardiovascular Health (CVH; defined by the American Heart Association by assigning points for health-related behavioral and clinical factors) with endothelial and erectile dysfunction has not been reported, although endothelial and erectile dysfunction have been associated with components of CVH. METHODS: Data were collected in 1,136 men in the Multi-Ethnic Study of Atherosclerosis at baseline and erectile dysfunction status (measured by survey or medication use) at exam 5...
April 20, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28430117/fluvastatin-therapy-could-not-decrease-progression-of-paroxysmal-atrial-fibrillation-in-non-valvular-disease-patients
#3
Qiang Tan, Shuangyue Zhang, Xiaoyi Zou, Jun Zhao, Jia Hao, Qian Sun
OBJECTIVE: This study aimed to evaluate whether fluvastatin therapy could decrease the probability of atrial fibrillation (AF) progression from paroxysmal AF to permanent AF and decrease the recurrence frequency of AF. METHODS: Analyses were performed using two-tailed Student's t test or Mann-Whitney U tests. Categorical variables were compared with the χ2 statistics or Fisher's exact test. Patients with paroxysmal AF were randomized case-control, prospective into either the fluvastatin group (n=61) or control group (n=57)...
April 10, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28429235/regulation-of-human-brain-microvascular-endothelial-cell-adhesion-and-barrier-functions-by-memantine
#4
Fei Wang, Zhirong Zou, Yi Gong, Dong Yuan, Xun Chen, Tao Sun
Vascular risk factors have been linked to cognitive decline and dementia in the elderly. Microvascular inflammation, especially of the endothelium, may contribute to the progression of neurodegenerative events in Alzheimer's disease (AD). Memantine, an uncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist, is a licensed drug used for the treatment of moderate to severe AD. However, little information is available regarding its anti-inflammatory effects on the endothelium. In this study, we investigated the effects of memantine on human brain microvascular endothelial dysfunction induced by the pro-inflammatory cytokine tumor necrosis factor-α (TNF-α)...
April 20, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28429229/microcirculatory-bed-microcirculation-and-smoking-associated-endothelial-dysfunction-in-young-adults
#5
N V Korneeva, B Z Sirotin
Computer-assisted video biomicroscopy of bulbar conjunctiva was employed to examine the sequelae of endothelial dysfunction manifested by microcirculatory bed abnormalities and microcirculation disturbances. The signs of endothelial dysfunction provoked by tobacco smoking in young adults disappeared after cessation of smoking, which resulted in pronounced widening of arterioles and capillaries as well as moderation of intravascular erythrocyte aggregation.
April 21, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28429038/-phosphodiesterase-4-inhibition-for-treatment-of-endothelial-barrier-and-microcirculation-disorders-in-sepsis
#6
REVIEW
J Wollborn, N Schlegel, M A Schick
Sepsis is commonly associated with loss of microvascular endothelial barrier function (capillary leak) and dysfunctional microcirculation, which both promote organ failure. The development of a distinct therapy of impaired endothelial barrier function and disturbed microcirculation is highly relevant because both of these phenomena constitute crucial processes which critically influence the prognosis of patients. Numerous in vivo and in vitro trials over the past years have fostered a better understanding of the pathophysiology of capillary leak...
April 20, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28428691/relationship-between-xanthine-oxidase-ischemia-modified-albumin-nitric-oxide-with-antioxidants-in-non-pregnants-pre-and-post-delivery-of-normal-pregnants-and-preeclampsia
#7
Vanishree Bambrana, C D Dayanand, Pushpa Kotur
Preeclampsia is a multisystem disorder involves altered homeostasis of oxidants-antioxidants, inflammatory process and endothelial dysfunction. The present study aim was to determine the levels of oxidative stress parameters (malondialdehyde, protein carbonyl, ischemia modified albumin and xanthine oxidase), nutrient antioxidants (vitamin C and vitamin E), enzyme antioxidants (catalase, superoxide dismutase, glutathione peroxidase glutathione reductase), total antioxidant status (TAS) and its association with nitric oxide...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28428256/regulation-of-lung-endothelial-permeability-and-inflammatory-responses-by-prostaglandin-a2-role-of-ep4-receptor
#8
Tomomi Ohmura, Yufeng Tian, Nicolene Sarich, Yunbo Ke, Angelo Meliton, Alok S Shah, Katrin Andreasson, Konstantin G Birukov, Anna A Birukova
A role of prostaglandin A2 (PGA2) in modulation of vascular endothelial function remains unknown. We investigated effects of PGA2 on pulmonary endothelial cell (EC) permeability and inflammatory activation and identified a receptor mediating these effects. PGA2 enhanced the EC barrier and protected against barrier dysfunction caused by vasoactive peptide thrombin and proinflammatory bacterial wall lipopolysacharide (LPS). Receptor screening using pharmacologic and molecular inhibitory approaches identified EP4 as a novel PGA2 receptor...
April 20, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28427943/high-density-lipoprotein-from-coronary-artery-disease-patients-cause-abnormal-expression-of-long-non-coding-rnas-in-vascular-endothelial-cells
#9
Xiang Liu, Tian-Tian Wang, Yan Li, Mao-Mao Shi, Hua-Ming Li, Hao-Xiang Yuan, Zhi-Wei Mo, Jing Chen, Bin Zhang, Yang-Xin Chen, Jing-Feng Wang, Wei-Ping Dai, Ying-Qi Xu, Zhi-Ping Wang, Xi Zhang, Zhi-Jun Ou, Jing-Song Ou
Increased evidence showed that normal high density lipoprotein (HDL) can convert to dysfunction HDL in diseases states including coronary artery disease (CAD), which regulates vascular endothelial cell function differently. Long non-coding RNAs (lncRNAs) play an extensive role in various important biological processes including endothelial cell function. However, whether lncRNAs involved in the regulation of HDL metabolism and HDL-induced changes of vascular endothelial function remains unclear. Cultured human umbilical vein endothelial cells (HUVECs) were treated with HDL from healthy subjects and patients with CAD and hypercholesterolemia for 24 h, then the cells were collected for lncRNA-Seq and the expressions of lncRNAs, genes and mRNAs were identified...
April 17, 2017: Biochemical and Biophysical Research Communications
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
#10
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/28425248/the-effect-of-transcatheter-aortic-valve-implantation-on-mean-platelet-volume
#11
Mehmet Burak Özen, Hüseyin Ayhan, Hacı Ahmet Kasapkara, Telat Keleş, Tahir Durmaz, Kemal Eşref Erdoğan, Bilge Duran Karaduman, Serdal Baştuğ, Cenk Sari, Abdullah Nabi Aslan, Engin Bozkurt
BACKGROUND/AIM: Transcatheter aortic valve implantation (TAVI) is an innovative approach to the treatment of aortic stenosis (AS) as an alternative to surgery in high-risk patients. Mean platelet volume (MPV) is considered an indicator of endothelial dysfunction, platelet function, and activation. In this study, we aimed to investigate MPV changes in patients undergoing TAVI. MATERIALS AND METHODS: This study included 100 patients diagnosed with symptomatic severe AS and treated with TAVI between July 2011 and August 2013...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28424554/arterial-stiffness-in-hematologic-malignancies
#12
REVIEW
Ioana Mozos, Georgiana Borzak, Alexandru Caraba, Rodica Mihaescu
Malignant and cardiovascular disorders are the top causes of mortality worldwide. This article reviews the main literature data and mechanisms linking hematologic malignancies and arterial stiffness, focusing on recent experimental and clinical results. Several links were found in hematologic malignancies between complete blood count and arterial stiffness. Chemotherapy, especially anthracyclines, cyclophosphamide and tyrosine kinase inhibitors, as well as radiotherapy and hematopoietic stem cell transplantation are the main known causes of arterial stiffness increase in hematologic malignancies...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28424502/significance-of-serum-endothelial-cell-specific-molecule-1-endocan-level-in-patients-with-erectile-dysfunction-a-pilot-study
#13
M Karabakan, A Bozkurt, S Akdemir, M Gunay, E Keskin
This study aimed to measure the serum endocan level of patients with erectile dysfunction (ED) and to investigate the possible association between the Endothelial-specific molecule-1 (Endocan) level and ED. Twenty healthy and sixty-four male patients included in the study were divided into four groups: severe ED (19 patients), moderate ED (24 patients), mild ED (21 patients) and control group (20 healthy men). The erectile function of all the patients was evaluated using the International Index of Erectile Function-5 (IIEF-5) questionnaire...
April 20, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28424440/gemcitabine-induced-coronary-vasospasm-a-case-report
#14
Mahmut Tuna Katırcıbaşı, Aynur Eken
Gemcitabine is a chemotherapy drug. It is a nucleoside analogue that is usually well tolerated by patients, with myelosuppression (especially thrombocytopenia) as dose-limiting side effect. Other mild to moderate side effects include alopecia, vomiting, nausea, rash, and fever. Coronary ischemia is the most common cardiotoxic effect of gemcitabine, which is due to its antimetabolites. While underlying cause of coronary ischemia following use of gemcitabine is uncertain, endothelial dysfunction and coronary thrombosis are potential explanations...
March 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28423914/current-views-on-neuropeptide-y-and-diabetes-related-atherosclerosis
#15
Wei-Wei Sun, Ping Zhu, Yan-Chuan Shi, Chen-Liang Zhang, Xu-Feng Huang, Shi-Yu Liang, Zhi-Yuan Song, Shu Lin
Diabetes-induced atherosclerotic cardiovascular disease is the leading cause of death of diabetic patients. Neuronal regulation plays a critical role in glucose metabolism and cardiovascular function under physiological and pathological conditions, among which, neurotransmitter neuropeptide Y has been shown to be closely involved in these two processes. Elevated central neuropeptide Y level promotes food intake and reduces energy expenditure, thereby increasing adiposity. Neuropeptide Y is co-localized with noradrenaline in central and sympathetic nervous systems...
April 1, 2017: Diabetes & Vascular Disease Research
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
#16
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/28421995/endothelial-dysfunction-is-independent-of-inflammation-and-altered-ccr7-t-cell-expression-in-patients-with-ankylosing-spondylitis
#17
Joanna Sulicka, Andrzej Surdacki, Mariusz Korkosz, Tomasz Mikołajczyk, Magdalena Strach, Ewa Klimek, Tomasz Guzik, Tomasz Grodzicki
OBJECTIVES: The accumulation of CCR7 (chemokine receptor 7) positive cells in the vessel wall may be involved in endothelial dysfunction and subsequent accelerated atherogenesis. CCR7 plays a crucial role in T cell and monocyte migration/homing and in priming of naive T lymphocytes in non-lymphoid tissues in chronic inflammatory diseases. Our objective was to investigate the endothelial function and inflammation-driven expression of CCR7 on T lymphocytes in patients with ankylosing spondylitis (AS)...
April 18, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28421814/elevated-monocyte-to-high-density-lipoprotein-cholesterol-ratio-and-endothelial-dysfunction-in-beh%C3%A3-et-disease
#18
Nusret Acikgoz, Ertuğrul Kurtoğlu, Julide Yagmur, Yelda Kapicioglu, Mehmet Cansel, Necip Ermis
Behçet disease (BD) is a multisystemic disorder characterized by endothelial dysfunction and inflammation. Monocyte to high-density lipoprotein cholesterol ratio (MHR) is a recently emerged indicator of inflammation and oxidative stress. Sixty patients with BD and 50 control individuals were included to investigate the relationship between MHR and endothelial dysfunction. Endothelial function was assessed by flow- and nitroglycerin-mediated dilatation technique (FMD and NMD, respectively). Serum high-sensitivity C-reactive protein (hsCRP) levels were measured in all study participants...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28421813/hemin-causes-lung-microvascular-endothelial-barrier-dysfunction-by-necroptotic-cell-death
#19
Sunit Singla, Justin R Sysol, Benjamin Dille, Nicole Jones, Jiwang Chen, Roberto F Machado
Hemin, the oxidized prosthetic moiety of hemoglobin, has been implicated in the pathogenesis of acute chest syndrome (ACS) in sickle cell patients by virtue of its endothelial-activating properties. In this study, we examined whether hemin can cause lung microvascular endothelial barrier dysfunction. By assessing transendothelial resistance using electrical cell impedance sensing, and by directly measuring trans-monolayer FITC-dextran flux, we found that hemin does cause endothelial barrier dysfunction in a concentration-dependent manner...
April 19, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28421541/systemic-inflammation-as-a-driver-of-brain-injury-the-astrocyte-as-an-emerging-player
#20
Bruna Bellaver, João Paulo Dos Santos, Douglas Teixeira Leffa, Larissa Daniele Bobermin, Paola Haack Amaral Roppa, Iraci Lucena da Silva Torres, Carlos-Alberto Gonçalves, Diogo Onofre Souza, André Quincozes-Santos
Severe systemic inflammation has strong effects on brain functions, promoting permanent neurocognitive dysfunction and high mortality rates. Additionally, hippocampal damage seems to be directly involved in this process and astrocytes play an important role in neuroinflammation and in the neuroimmune response. However, the contribution of the astrocytes to the pathology of acute brain dysfunction is not well understood. Recently, our group established a protocol for obtaining astrocyte cultures from mature brain to allow the characterization of these cells and their functions under pathologic conditions...
April 18, 2017: Molecular Neurobiology
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