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Small vascular disease

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https://www.readbyqxmd.com/read/29781238/improving-haemodialysis-fistula-maturation-following-early-ultrasound-vascular-mapping-the-venous-preservation-scan
#1
Ru Yu Tan, Michelle Manning, Jacqueline Spurway, Thulasi Jegatheesan, Michelle Bertram, Lisa Phipps, Jan Swinnen
AIM: Formation of autogenous arteriovenous fistula (AVF) in patients with chronic kidney disease (CKD) is complicated by a high primary failure rate due to pre-existing vascular damage. We hypothesized that Venous Preservation Scan (VPS) - early (months to years before AVF creation) vascular mapping followed by vasculature preservation is effective in protecting the patient's best "for fistula" vasculature. This study was performed to evaluate the impact of VPS on AVF outcomes...
May 20, 2018: Nephrology
https://www.readbyqxmd.com/read/29780860/microbleeds-are-associated-with-depressive-symptoms-in-alzheimer-s-disease
#2
Anna E Leeuwis, Niels D Prins, Astrid M Hooghiemstra, Marije R Benedictus, Philip Scheltens, Frederik Barkhof, Wiesje M van der Flier
Introduction: Co-occurrence of cerebrovascular disease and depression led to the "vascular depression hypothesis". White matter hyperintensities (WMHs) have been associated with depressive symptoms in population-based studies. We studied the association between small vessel disease and depressive symptoms in a memory clinic population. Methods: We included >2000 patients with subjective cognitive decline (SCD), mild cognitive impairment, and Alzheimer's disease (AD)...
2018: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
https://www.readbyqxmd.com/read/29779699/recellularization-of-decellularized-venous-grafts-using-peripheral-blood-a-critical-evaluation
#3
Mia H Rambøl, Jonny Hisdal, Jon O Sundhagen, Jan E Brinchmann, Antonio Rosales
Vascular disease is a major cause of death worldwide, and the growing need for replacement vessels is not fully met by autologous grafts or completely synthetic alternatives. Tissue engineering has emerged as a compelling strategy for the creation of blood vessels for reconstructive surgeries. One promising method to obtain a suitable vessel scaffold is decellularization of donor vascular tissue followed by recellularization with autologous cells. To prevent thrombosis of vascular grafts, a confluent and functional autologous endothelium is required, and researchers are still looking for the optimal cell source and recellularization procedure...
May 17, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29777848/effects-on-mortality-and-cardiovascular-events-of-adherence-to-guideline-recommended-therapy-4-years-after-lower-extremity-arterial-revascularization
#4
M Thiney, N Della Schiava, R Ecochard, P Feugier, P Lermusiaux, A Millon, A Long
OBJECTIVES: All patients with lower extremity peripheral arterial disease (LE-PAD) should benefit from recommended pharmacologic therapies including antiplatelet agents, angiotensin converting enzyme inhibitors (ACE) or Angiotensin receptor blockers (ARB), and HMG-CoA-reductase inhibitors (statins). In the present study, this triple therapy was defined as the best medical treatment. This study was designed to determine the current risk for cardiovascular (CV) events and mortality and also to evaluate the effect of pharmacologic treatment on patient's survival, CV events and additional vascular surgery in vascularized LE-PAD patients...
May 16, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29773120/age-specific-association-between-blood-pressure-and-vascular-and-non-vascular-chronic-diseases-in-0%C3%A2-5-million-adults-in-china-a-prospective-cohort-study
#5
Ben Lacey, Sarah Lewington, Robert Clarke, Xiang Ling Kong, Yiping Chen, Yu Guo, Ling Yang, Derrick Bennett, Fiona Bragg, Zheng Bian, Shaojie Wang, Hua Zhang, Junshi Chen, Robin G Walters, Rory Collins, Richard Peto, Liming Li, Zhengming Chen
BACKGROUND: The age-specific association between blood pressure and vascular disease has been studied mostly in high-income countries, and before the widespread use of brain imaging for diagnosis of the main stroke types (ischaemic stroke and intracerebral haemorrhage). We aimed to investigate this relationship among adults in China. METHODS: 512 891 adults (59% women) aged 30-79 years were recruited into a prospective study from ten areas of China between June 25, 2004, and July 15, 2008...
June 2018: Lancet Global Health
https://www.readbyqxmd.com/read/29770201/recent-advances-in-managing-septal-defects-ventricular-septal-defects-and-atrioventricular-septal-defects
#6
REVIEW
P Syamasundar Rao, Andrea D Harris
This review discusses the management of ventricular septal defects (VSDs) and atrioventricular septal defects (AVSDs). There are several types of VSDs: perimembranous, supracristal, atrioventricular septal, and muscular. The indications for closure are moderate to large VSDs with enlarged left atrium and left ventricle or elevated pulmonary artery pressure (or both) and a pulmonary-to-systemic flow ratio greater than 2:1. Surgical closure is recommended for large perimembranous VSDs, supracristal VSDs, and VSDs with aortic valve prolapse...
2018: F1000Research
https://www.readbyqxmd.com/read/29760289/-neurocognitive-disorders-other-than-alzheimer-disease-vascular-dementia
#7
Mari Yoshida
Vascular dementia involves several mechanism of pathogenesis. Cerebral small vessel diseases play a central role in vascular dementia, including sporadic cerebral small vessel diseases, cerebral autosomal-dominant or autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL or CARASIL), cerebral amyloid angiopathy, and amyloid β-related angiitis. Although these diseases have different pathomechanisms, chronic white matter hypoperfusion contributes to development of neuronal dysfunction as a common pathway in vascular dementia...
May 2018: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29757677/microrna-dysregulation-in-pulmonary-arteries-from-copd-relationships-with-vascular-remodeling
#8
Melina M Musri, Núria Coll-Bonfill, Bradley A Maron, Víctor I Peinado, Ruisheng Wang, Jordi Altirriba, Isabel Blanco, William M Oldham, Olga Tura-Ceide, Jessica García-Lucio, Benjamin de la Cruz-Thea, Gunter Meister, Joseph Loscalzo, Joan A Barberà
BACKGROUND: Pulmonary vascular remodeling is an angiogenic-related process involving changes in smooth muscle cell (SMC) homeostasis, which is frequently observed in chronic obstructive pulmonary disease (COPD). MicroRNAs (miRNAs) are small non-coding RNAs that regulate mRNA expression levels of many genes leading to the manifestation of cell identity and specific cellular phenotypes. Here we evaluate the miRNA expression profiles of pulmonary arteries (PA) of patients with COPD and its relationship with the regulation of SMC phenotypic change...
May 14, 2018: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29753656/-small-vessel-cerebrovascular-disease
#9
P Cardona Portela, A Escrig Avellaneda
Small vessel vascular disease is a spectrum of different conditions that includes lacunar infarction, alteration of deep white matter, or microbleeds. Hypertension is the main risk factor, although the atherothrombotic lesion may be present, particularly in large-sized lacunar infarctions along with other vascular risk factors. MRI findings are characteristic and the lesions authentic biomarkers that allow differentiating the value of risk factors and defining their prognostic value.
May 9, 2018: Hipertensión y Riesgo Vascular
https://www.readbyqxmd.com/read/29752348/genetic-study-of-white-matter-integrity-in-uk-biobank-n-8448-and-the-overlap-with-stroke-depression-and-dementia
#10
Loes C A Rutten-Jacobs, Daniel J Tozer, Marco Duering, Rainer Malik, Martin Dichgans, Hugh S Markus, Matthew Traylor
BACKGROUND AND PURPOSE: Structural integrity of the white matter is a marker of cerebral small vessel disease, which is the major cause of vascular dementia and a quarter of all strokes. Genetic studies provide a way to obtain novel insights in the disease mechanism underlying cerebral small vessel disease. The aim was to identify common variants associated with microstructural integrity of the white matter and to elucidate the relationships of white matter structural integrity with stroke, major depressive disorder, and Alzheimer disease...
May 11, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29750309/knockdown-of-ran-gtpase-expression-inhibits-the-proliferation-and-migration-of-breast-cancer-cells
#11
Chenyi Sheng, Jian Qiu, Yingying Wang, Zhixian He, Hua Wang, Qingqing Wang, Yeqing Huang, Lianxin Zhu, Feng Shi, Yingying Chen, Shiyao Xiong, Zhen Xu, Qichao Ni
Breast cancer is the second leading cause of cancer‑associated mortality in women worldwide. Strong evidence has suggested that Ran, which is a small GTP binding protein involved in the transport of RNA and protein across the nucleus, may be a key cellular protein involved in the metastatic progression of cancer. The present study investigated Ran gene expression in breast cancer tissue samples obtained from 140 patients who had undergone surgical resection for breast cancer. Western blot analysis of Ran in breast cancer tissues and paired adjacent normal tissues showed that expression of Ran was significantly increased in breast cancer tissues...
May 3, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29747754/mechanism-of-resveratrol-induced-relaxation-of-the-guinea-pig-fundus
#12
Ching-Chung Tsai, Shu-Leei Tey, Ming-Che Lee, Ching-Wen Liu, Yu-Tsun Su, Shih-Che Huang
BACKGROUND: Resveratrol is a polyphenolic compound that can be isolated from plants and also is a constituent of red wine. Resveratrol induces relaxation of vascular smooth muscle and may prevent cardiovascular diseases. PURPOSE: Impaired gastric accommodation plays an important role in functional dyspepsia and fundic relaxation and is a therapeutic target of functional dyspepsia. Although drugs for fundic relaxation have been developed, these types of drugs are still rare...
April 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29744799/dti-derived-indexes-of-brain-wm-correlate-with-cognitive-performance-in-vascular-mci-and-small-vessel-disease-a-tbss-study
#13
Mario Mascalchi, Emilia Salvadori, Nicola Toschi, Marco Giannelli, Stefano Orsolini, Stefano Ciulli, Andrea Ginestroni, Anna Poggesi, Antonio Giorgio, Francesca Lorenzini, Marco Pasi, Nicola De Stefano, Leonardo Pantoni, Domenico Inzitari, Stefano Diciotti
Indexes derived from diffusion tensor imaging (DTI) are sensitive to changes of both T2-hyperintense and normal-appearing brain white matter (WM) in elderly subjects with variable cognitive status. We investigated correlations between global cognitive performance and DTI-derived indexes along the WM tracts in the brain of patients with vascular mild cognitive impairment (MCI) and small vessel disease (SVD). Seventy-six patients with vascular MCI and SVD were assessed through Montreal Cognitive Assessment (MoCA) and Mini Mental State Examination (MMSE) test and underwent DTI examination on a 1...
May 9, 2018: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29734804/a-novel-nanoparticle-formulation-derived-from-carboxymethyl-cellulose-polyethylene-glycol-and-cabazitaxel-for-chemotherapy-delivery-to-the-brain
#14
Joseph Bteich, Mark J Ernsting, Mohammed Z Mohammed, Taira Kiyota, Trevor McKee, Mohit Trikha, Henry Lowman, Kenneth K Sokoll
Nanoparticles provide a unique opportunity to explore the benefits of selective distribution and release of cancer therapeutics at sites of disease through varying particle sizes and compositions that exploit the enhanced permeability of tumor-associated blood vessels. Though delivery of larger-as opposed to smaller and/or actively transported-molecules to the brain is prime face a challenging endeavor, we wondered whether nanoparticles could improve the therapeutic index of existing drugs for use in treating brain tumors via these vascular effects...
May 7, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29733325/spatial-quantification-of-drugs-in-pulmonary-tuberculosis-lesions-by-laser-capture-microdissection-liquid-chromatography-mass-spectrometry-lcm-lc-ms
#15
Matthew Zimmerman, Landry Blanc, Pei-Yu Chen, Véronique Dartois, Brendan Prideaux
Tuberculosis is still a leading cause of morbidity and mortality worldwide. Improvements to existing drug regimens and the development of novel therapeutics are urgently required. The ability of dosed TB drugs to reach and sterilize bacteria within poorly-vascularized necrotic regions (caseum) of pulmonary granulomas is crucial for successful therapeutic intervention. Effective therapeutic regimens must therefore contain drugs with favorable caseum penetration properties. Current LC/MS methods for quantifying drug levels in biological tissues have limited spatial resolution capabilities, making it difficult to accurately determine absolute drug concentrations within small tissue compartments such as those found within necrotic granulomas...
April 18, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29732466/novel-insights-into-the-regulation-of-mirna-transcriptional-control-implications-for-t2d-and-related-complications
#16
Lucia La Sala, Stefano Micheloni, Valeria De Nigris, Francesco Prattichizzo, Antonio Ceriello
In recent years, epigenetics has emerged as an important form of biological regulation involving chromatin control of gene expression. The mechanisms of this fine-tuned regulation are susceptible to changes forced by environmental stimuli and nutritional factors and may be potentially reversible. Dysregulation of epigenetic processes has important consequences for the pathogenesis of complex and multifactorial diseases such as type 2 diabetes (T2D) and vascular complications. Along with DNA methylation (DNA-me), histone modifications and RNA-based mechanisms as the major epigenetic controllers, small non-coding RNAs known as microRNAs (miRNAs) have their own important implications for the pathogenesis of diabetes...
May 7, 2018: Acta Diabetologica
https://www.readbyqxmd.com/read/29730842/generation-of-human-pluripotent-stem-cell-derived-endothelial-cells-and-their-therapeutic-utility
#17
REVIEW
Shin-Jeong Lee, Kyung Hee Kim, Young-Sup Yoon
PURPOSE OF REVIEW: Human pluripotent stem cell-derived endothelial cells (hPSC-ECs) emerged as an important source of cells for cardiovascular regeneration. This review summarizes protocols for generating hPSC-ECs and provides an overview of the current state of the research in clinical application of hPSC-derived ECs. RECENT FINDINGS: Various systems were developed for differentiating hPSCs into the EC lineage. Stepwise two-dimensional systems are now well established, in which various growth factors, small molecules, and coating materials are used at specific developmental stages...
May 5, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29726891/understanding-the-role-of-the-perivascular-space-in-cerebral-small-vessel-disease
#18
Rosalind Brown, Helene Benveniste, Sandra E Black, Serge Charpak, Martin Dichgans, Anne Joutel, Maiken Nedergaard, Kenneth J Smith, Berislav V Zlokovic, Joanna M Wardlaw
Small vessel diseases are a group of disorders that result from pathological alteration of the small blood vessels in the brain, including the small arteries, capillaries and veins. Of the 35-36 million people that are estimated to suffer from dementia worldwide, up to 65% have an SVD component. Furthermore, SVD causes 20-25% of strokes, worsens outcome after stroke and is a leading cause of disability, cognitive impairment and poor mobility. Yet the underlying cause(s) of SVD are not fully understood.Magnetic resonance imaging (MRI) has confirmed enlarged perivascular spaces (PVS) as a hallmark feature of SVD...
May 2, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29725453/berberine-hydrochloride-inhibits-cell-proliferation-and-promotes-apoptosis-of-non-small-cell-lung-cancer-via-the-suppression-of-the-mmp2-and-bcl-2-bax-signaling-pathways
#19
Jie Li, Fang Liu, Shulong Jiang, Jie Liu, Xiuhong Chen, Shangnuan Zhang, Haibo Zhao
Berberine, also known as berberine hydrochloride and isoquinoline alkaloid, is a major alkaloid from Coptis chinensis . Berberine's extensive biological properties have previously been studied, and it has been used clinically for the treatment of diarrhea, hypertension, diabetes and other diseases. The present study aimed to determine the possible anticancer effects of berberine hydrochloride treatment on human non-small cell lung cancer (NSCLC) cell proliferation and apoptosis via the matrix metalloproteinase 2 (MMP-2) and the B-cell lymphoma 2 (Bcl-2)/Bcl-2-associated X protein (Bax) signaling pathway...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29724676/a-pooled-analysis-of-treatment-and-prognosis-of-hepatic-angiosarcoma-in-adults
#20
De-Bang Li, Xiao-Ying Si, Tao Wan, Yan-Ming Zhou
BACKGROUND: Hepatic angiosarcoma is a rare malignant vascular tumor presenting unique treatment challenges. The aim of the present study was to determine the treatment and prognosis of this entity. DATA SOURCES: A systematic literature search was conducted using PubMed, Embase and Chinese Biomedical Literature database, to identify articles published from January 1980 to July 2017. Search terms were "hepatic angiosarcoma" and "liver angiosarcoma"...
April 23, 2018: Hepatobiliary & Pancreatic Diseases International: HBPD INT
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