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https://www.readbyqxmd.com/read/29667293/enhanced-in-vitro-biocompatibility-and-water-dispersibility-of-magnetite-and-cobalt-ferrite-nanoparticles-employed-as-ros-formation-enhancer-in-radiation-cancer-therapy
#1
Stefanie Klein, Melek Kızaloğlu, Luis Portilla, Hyoungwon Park, Tobias Rejek, Julian Hümmer, Karsten Meyer, Rainer Hock, Luitpold V R Distel, Marcus Halik, Carola Kryschi
Efficient magnetic reactive oxygen species (ROS) formation enhancing agents after X-ray treatment are realized by functionalizing superparamagnetic magnetite (Fe3 O4 ) and Co-ferrite (CoFe2 O4 ) nanoparticles with self-assembled monolayers (SAMs). The Fe3 O4 and CoFe2 O4 nanoparticles are synthesized using Massart's coprecipitation technique. Successful surface modification with the SAM forming compounds 1-methyl-3-(dodecylphosphonic acid) imidazolium bromide, or (2-{2-[2-hydroxy-ethoxy]-ethoxy}-ethyl phosphonic acid provides biocompatibility and long-term stability of the Fe3 O4 and CoFe2 O4 nanoparticles in cell media...
April 18, 2018: Small
https://www.readbyqxmd.com/read/29667282/cardiac-gated-phase-contrast-magnetic-resonance-angiography-is-a-reliable-and-reproducible-technique-for-quantifying-blood-flow-in-canine-major-cranial-abdominal-vessels
#2
Francesca Del Chicca, Andrea Schwarz, Paula Grest, Florian Willmitzer, Matthias Dennler, Patrick R Kircher
Blood flow changes in cranial abdominal vessels are important contributing factors for canine hepatic disease. This prospective, experimental, pilot study aimed to evaluate cardiac-gated, phase contrast magnetic resonance angiography (PCMRA) as a method for characterizing blood flow in canine major cranial abdominal vessels. Eleven, healthy, adult beagle dogs were sampled. Cardiac-gated, phase contrast magnetic resonance angiography of the cranial abdomen was performed in each dog and blood flow was independently measured in each of the major cranial abdominal vessels by three observers, with two observers recording blood flow values once and one observer recording blood flow values three times...
April 17, 2018: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29667208/the-use-of-cardiac-ct-alone-to-exclude-left-atrial-thrombus-before-atrial-fibrillation-ablation-efficiency-safety-and-cost-analysis
#3
Wassim Mosleh, Ali Sheikh, Zaid Said, Mohamed A Abdel-Aal, Siri Gadde, Tanvi Shah, Michael F Wilson, Hiroko Beck, Chee Kim, Umesh C Sharma
BACKGROUND: Atrial fibrillation (AF) is a growing financial burden on the healthcare system. Cardiac computed tomographic angiography (CCTA) is needed for pulmonary vein mapping before AF ablation (AFA). CCTA has shown to be an alternative to transesophageal echocardiogram (TEE) to rule-out left atrial appendage thrombus (LAAT) pre-AFA. We aim to examine the safety, cost-effectiveness, and time-efficiency of utilizing CCTA alone to rule out LAAT before AFA. METHODS: We prospectively screened patients with paroxysmal AF undergoing cryoablation...
April 17, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29666964/expression-of-microrna-genes-mir221-mir222-and-mir181b1-increases-during-induction-of-inflammation-in-the-endothelial-barrier-model
#4
E N Knyazev, D V Mal'tseva, A A Zakharyants, G S Zakharova, O V Zhidkova, A A Poloznikov
We studied expression profile of microRNA and their target genes in human umbilical vein endothelial cells (HUVEC) during proinflammatory activation with TNFα. TNFα-induced activation of HUVEC was accompanied by a decrease in the expression of CDKN1B, HIST1H3D, and OIP5 genes that are the common target genes for mature microRNA encoded by MIR221, MIR222, and MIR181B1 genes, whose expression increases in activated cells. Proteins encoded by HIST1H3D and OIP5 genes are associated with chromatin compaction and cell cycle...
April 17, 2018: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29666716/survival-after-cardiac-arrest-secondary-to-massive-pulmonary-embolism
#5
Abdullah E Laher, Muhammed Moolla, Feroza Motara, Fathima Paruk, Guy Richards
Introduction: It is estimated that the diagnosis of pulmonary embolism (PE) is missed in as many as 84% of all cases of PE. Cardiac arrest following PE is generally associated with poor outcomes. Case Report: A 43-year-old man presented to the Emergency Department (ED) in cardiac arrest. Swelling of his right lower limb was noted on arrival. Point of care ultrasound was performed during ongoing cardiopulmonary resuscitation (CPR) and showed a thrombus in the right iliofemoral vein as well as dilatation of the right ventricle...
2018: Case Reports in Emergency Medicine
https://www.readbyqxmd.com/read/29666442/matrix-stiffness-controls-lymphatic-vessel-formation-through-regulation-of-a-gata2-dependent-transcriptional-program
#6
Maike Frye, Andrea Taddei, Cathrin Dierkes, Ines Martinez-Corral, Matthew Fielden, Henrik Ortsäter, Jan Kazenwadel, Dinis P Calado, Pia Ostergaard, Marjo Salminen, Liqun He, Natasha L Harvey, Friedemann Kiefer, Taija Mäkinen
Tissue and vessel wall stiffening alters endothelial cell properties and contributes to vascular dysfunction. However, whether extracellular matrix (ECM) stiffness impacts vascular development is not known. Here we show that matrix stiffness controls lymphatic vascular morphogenesis. Atomic force microscopy measurements in mouse embryos reveal that venous lymphatic endothelial cell (LEC) progenitors experience a decrease in substrate stiffness upon migration out of the cardinal vein, which induces a GATA2-dependent transcriptional program required to form the first lymphatic vessels...
April 17, 2018: Nature Communications
https://www.readbyqxmd.com/read/29666358/revisiting-atrioventricular-nodal-ablation-and-cardiac-pacing-of-atrial-fibrillation-in-a-patient-with-dextrocardia
#7
Munish Sharma, Ritesh Neupane, Koroush Khalighi
BACKGROUND Poorly controlled ventricular rate associated with atrial fibrillation (AF) leads to tachycardia-induced left ventricular dysfunction. Atrioventricular (AV) nodal ablation and cardiac pacing is the standard of care in refractory congestive heart failure (CHF) due to AF with moderate to rapid ventricular response that failed conventional medical therapy. If the patient is not a candidate for AF ablation with pulmonary vein isolation and elimination of AF foci, this is an effective approach, but it does have some challenges when done in a patient with dextrocardia and situs inversus...
April 18, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29666322/genetic-control-of-yellow-vein-mosaic-virus-disease-tolerance-in-abelmoschus-esculentus-l-moench
#8
Pushparani Senjam, Bijoy Kumar Senapati, Arup Chattopadhyay, Subrata Dutta
Okra's (Abelmoschus esculentus (L.) Moench) commercial cultivation is threatened in the tropics due to high incidence of yellow vein mosaic virus (YVMV) disease. Okra geneticists across the world tried to understand the inheritance pattern of YVMV disease tolerance without much success. Therefore, the inheritance pattern of YVMV disease in okra was revisited by employing sixgenerations (P₁, P₂, F₁, F₂, BC₁ and BC₂) of four selected crosses (one tolerant × tolerant, two tolerant × susceptible and one susceptible × susceptible) using two tolerant (BCO-1 and Lal Bhendi) and two susceptible (Japanese Jhar Bhendi and PAN 2127) genotypes...
March 2018: Journal of Genetics
https://www.readbyqxmd.com/read/29666108/persistent-left-superior-vena-cava-and-absence-of-innominate-vein-during-coronary-artery-bypass-surgery
#9
Jih Huei Tan, Zi Qin Ng, Simon Vendargon
No abstract text is available yet for this article.
April 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29666098/a-misplaced-peripherally-inserted-central-catheter-presenting-as-contralateral-pleural-effusion
#10
Jogender Kumar, Sudeep K C, Kanya Mukhopadhyay, Somosri Ray
A preterm neonate born at 27 weeks, with a birth weight of 555 g, was on continuous positive airway pressure (CPAP) for apnoea of prematurity and initially received total parenteral nutrition (TPN) through the umbilical venous catheter. Peripherally inserted central catheter (PICC) was inserted in the left basilica vein on day 8 to continue TPN. The baby developed respiratory distress with persistent hypoxia after TPN was initiated through the PICC line. The baby required mechanical ventilation due to worsening of respiratory distress, and chest X-ray, as well as ultrasound conducted 12 hours, postinfusion of TPN revealed right-sided pleural effusion...
April 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29666031/measurement-of-left-atrial-volume-by-2d-and-3d-non-contrast-computed-tomography-compared-with-cardiac-magnetic-resonance-imaging
#11
Maise Høigaard Fredgart, Rasmus Carter-Storch, Jacob Eifer Møller, Kristian Altern Øvrehus, Redi Pecini, Jordi Sanchez Dahl, Oke Gerke, Roudyna Ahmad Alturkmany, Axel Brandes, Jes Sanddal Lindholt, Axel Cosmus Pyndt Diederichsen
BACKGROUND: Cardiac magnetic resonance imaging (MRI) is considered the gold standard for assessment of left atrial (LA) volume. We assessed the feasibility of evaluating LA volume using 3D non-contrast computed tomography (NCCT). Furthermore, since manual tracing of LA volume is time consuming, we evaluated the accuracy of the LA area using 2D NCCT imaging for LA volume assessment. METHODS: MRI and NCCT imaging were performed in 69 patients before and one year after aortic valve replacement...
April 10, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29665927/-thrombopoietin-prevents-cocl-2-inducing-apoptosis-of-huvec-through-the-pi3k-akt-pathway
#12
Jun-Yan Wang, Jie-Yu Ye, En-Yu Liang, Mo Yang
OBJECTIVE: To investigate the effect of thrombopoietin (TPO) on chemical hypoxia-induced apoptosis of human umbilical vein endothelial cells (HUVEC), and to explore its potential mechanism. METHODS: The experiment was divided into 4 groups. The untreated HUVECs were used as normal control group. HUVECs treated with CoCl2 was CoCl2 group, and TPO was added into the culture medium 48 h before CoCl2 treatment as TPO + CoCl2 group. The cells was treated with TPO alone as TPO group...
April 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29665910/-effect-of-coagulation-and-platelet-activation-on-tumor-associated-hypercoagulable-state-in-lymphoma-bearing-mice
#13
Miao Zhu, Qing-Qing Shi, Xin Sun, Jun Ni, Wei Wu, Lian-Jun Shen, Wei Ji, Kai-Lin Xu, Jian Gu
OBJECTIVE: To investigate the coagulation abnormality and tumor-associated hypercoagulable state in lymphoma-bearing mice by measuring the changes in coagulation indices (D-D, vWF, TF) and platelet activation indices (P-selectin, GPIIbIIIa). METHODS: The mouse model with lymphoma was established by the subcutaneous injection of 38B9 lymphoma cells into BALB/c mice, and the tumor formation was evaluated by using MRI and B ultrasonography. The D-D, vWF and TP levels of blood samples from inner canthal vein of tumor-bearing mice on 1 d, 14 d and 21 d were detected by using ELISA, the platelet activation indices (P-selectin, GPIIbIIIa) were detected by using flow cytometry...
April 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29665835/the-efficacy-of-intravenous-aminocaproic-acid-in-primary-total-hip-and-knee-arthroplasty-a-meta-analysis
#14
Yong-Jiang Li, Bi-Sheng Xu, Sun-Peng Bai, Xiao-Jun Guo, Xiang-Yuan Yan
BACKGROUND: We conducted a meta-analysis from randomized controlled trials (RCTs) and non-RCTs to assess the efficacy of aminocaproic acid in cases of primary total hip arthroplasty (THA) or total knee arthroplasty (TKA). METHODS: Potentially relevant academic articles were identified from the Cochrane Library, MEDLINE (1966-2017 October 31), PubMed (1966-2017 October 31), EMBASE (1980-2017 October 31), and ScienceDirect (1985-2017 October 31). Secondary sources were identified from the references of the included literature...
April 17, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29665630/comparison-of-surgical-resection-versus-transarterial-chemoembolization-with-additional-radiation-therapy-in-patients-with-hepatocellular-carcinoma-with-portal-vein-invasion
#15
Danbi Lee, Han Chu Lee, Jihyun An, Ju Hyun Shim, Kang Mo Kim, Young-Suk Lim, Young-Hwa Chung, Yung Sang Lee
Background/Aims: Portal vein invasion (PVI) is a poor prognostic factor in patients with hepatocellular carcinoma (HCC). We intended to compare the effects of surgical resection and transarterial chemoembolization (TACE) with additional radiation therapy (RT) in HCC patients with PVI. Methods: The subjects comprised 43 patients who underwent surgical resection for HCC with PVI without previous treatment and another 43 patients who received TACE followed by RT (TACE+RT) as initial treatment who were matched for Child-Pugh class, tumor size, and extent of PVI...
January 16, 2018: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/29665425/omega-3-polyunsaturated-fatty-acids-promotes-angiogenesis-in-placenta-derived-mesenchymal-stromal-cells
#16
Suja Ann Mathew, Ramesh Bhonde
Enhancement of angiogenesis is solicited in wound repair and regeneration. Mesenchymal stromal cells derived from the placenta (P-MSCs) have an inherent angiogenic potential. Polyunsaturated fatty acids (PUFAs) in turn, specifically the omega-3 (N-3) are essential for growth and development. They are also recommended as dietary supplements during pregnancy. We therefore hypothesized that addition of N-3 PUFAs in P-MSC culture media may enhance their angiogenic potential. Hence we treated P-MSCs with omega-3 (N-3) fatty acids -Docosahexaenoic acid (DHA) and Eicosapentaenoic acid (EPA) at different concentrations and tested their angiogenic potential...
April 14, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29665133/isolation-of-a-unique-hepatic-stellate-cell-population-expressing-integrin-%C3%AE-8-from-embryonic-mouse-livers
#17
Tomohiro Ogawa, Yuchang Li, Ingrid Lua, Andrea Hartner, Kinji Asahina
BACKGROUND: Hepatic stellate cells (HSCs) play an important role in liver fibrogenesis. However, little is known about their phenotype and role in liver development. The aim of this study is to identify specific markers for embryonic HSCs. RESULTS: Using antibodies against ALCAM and PDPN, we separated mesothelial cells (MCs) and HSCs from developing livers and identified integrin α8 (ITGA8) as a marker for embryonic desmin+ HSCs that are preferentially localized near the developing liver surface and α-smooth muscle actin+ perivascular mesenchymal cells around the vein...
April 17, 2018: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/29664983/longitudinal-quantification-of-retinal-nonperfusion-in-the-macula-of-eyes-with-retinal-vein-occlusion-receiving-anti-vegf-therapy-secondary-analysis-of-the-wave-randomized-trial
#18
William C Ou, Shaun I R Lampen, Charles C Wykoff
BACKGROUND AND OBJECTIVE: Longitudinal quantification of retinal nonperfusion (RNP) in eyes with retinal vein occlusion (RVO) undergoing anti-vascular endothelial growth factor therapy. PATIENTS AND METHODS: Thirty eyes with ischemic RVO were randomized to ranibizumab (Lucentis; Genentech, South San Francisco, CA) (monotherapy) or ranibizumab plus peripheral laser (combination therapy) in a 12-month, prospective trial. RNP on fluorescein angiography was quantified within the macula through 12 months of follow-up...
April 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29664676/a-mathematical-analysis-of-adaptations-to-the-metabolic-fate-of-fructose-in-essential-fructosuria-subjects
#19
R J Allen, Cynthia J Musante
Fructose is a major component of Western diets and is implicated in the pathogenesis of obesity and type 2 diabetes. In response to an oral challenge, the majority of fructose is cleared during "first-pass" liver metabolism, primarily via phosphorylation by ketohexokinase (KHK). A rare benign genetic deficiency in KHK, called essential fructosuria (EF), leads to altered fructose metabolism. The only reported symptom of EF is the appearance of fructose in the urine following either oral or intravenous fructose administration...
April 17, 2018: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29664549/evaluation-of-soluble-concentration-fas-and-fas-ligand-in-maternal-and-cord-blood-3rd-trimester-of-pregnancy
#20
Agata Karowicz-Bilińska, Urszula Kowalska-Koprek, Dorota Estemberg, Anita Sikora-Szubert
OBJECTIVES: The the study was to estimate the concentrations of antiapoptotic sFas and pro-apoptotic FasL in the serum of pregnant women in the third trimester of pregnancy and in the cord blood serum of neonates from vein and arteries separately. The correlation could be crucial for evaluation of apoptosis process intensity in placenta and the role of fetal blood circulation system on distribution of sFas and FasL. MATERIAL AND METHODS: The study group consisted of 28 pregnant women in physiological pregnancy, between 38- 41 weeks...
2018: Ginekologia Polska
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