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https://www.readbyqxmd.com/read/28526045/standardization-of-platelet-releasate-products-for-clinical-applications-in-cell-therapy-a-mathematical-approach
#1
Francesco Agostini, Jerry Polesel, Monica Battiston, Elisabetta Lombardi, Stefania Zanolin, Alessandro Da Ponte, Giuseppe Astori, Cristina Durante, Mario Mazzucato
BACKGROUND: Standardized animal-free components are required for manufacturing cell-based medicinal products. Human platelet concentrates are sources of growth factors for cell expansion but such products are characterized by undesired variability. Pooling together single-donor products improves consistency, but the minimal pool sample size was never determined. METHODS: Supernatant rich in growth factors (SRGF) derived from n = 44 single-donor platelet-apheresis was obtained by CaCl2 addition...
May 19, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28524160/stroma-regulated-hmga2-is-an-independent-prognostic-marker-in-pdac-and-aac
#2
Carina Strell, Karin Jessica Norberg, Artur Mezheyeuski, Jonas Schnittert, Praneeth R Kuninty, Carlos Fernández Moro, Janna Paulsson, Nicolai Aagaard Schultz, Dan Calatayud, Johannes Matthias Löhr, Oliver Frings, Caroline Sophie Verbeke, Rainer Lothar Heuchel, Jai Prakash, Julia Sidenius Johansen, Arne Östman
BACKGROUND: The HMGA2 protein has experimentally been linked to EMT and cancer stemness. Recent studies imply that tumour-stroma interactions regulate these features and thereby contribute to tumour aggressiveness. METHODS: We analysed 253 cases of pancreatic ductal adenocarcinoma (PDAC) and 155 cases of ampullary adenocarcinoma (AAC) for HMGA2 expression by IHC. The data were correlated with stroma abundance and supplemented by experimental studies. RESULTS: HMGA2 acts as an independent prognostic marker associated with a significantly shorter overall survival in both tumour types...
May 18, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28523528/comparison-of-visual-outcomes-and-reading-performance-after-bilateral-implantation-of-multifocal-intraocular-lenses-with-bilateral-monofocal-intraocular-lenses
#3
Özge Güngör Akkuş, Ikbal Seza Petriçli
PURPOSE: To compare the visual acuity outcomes, contrast sensitivity function (CS) and reading ability in patients with bilateral multifocal intraocular lenses and patients with bilateral monofocal lenses. SETTING: Vizyon Eye Center, Denizli, Turkey. DESIGN: Comparative case series. METHODS: Consecutive bilateral cataract patients having implantation of Acriva Reviol MFM 611 multifocal IOLs (Group A) or Acriva BB UD 613 monofocal IOLs (Group B) were included...
May 18, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28520849/beta-blockers-and-improved-progression-free-survival-in-patients-with-advanced-her2-negative-breast-cancer-a-retrospective-analysis-of-the-rose-trio-012-study
#4
G Spera, R Fresco, H Fung, J R B Dyck, E Pituskin, I Paterson, J R Mackey
Background: Recent retrospective studies suggest that beta-adrenergic blocking drugs (BB) are associated with improved outcomes in people with a range of cancers. Although limited and discordant data suggest that BB may increase overall survival (OS) of patients with localized breast cancer (BC), there is no information on the effects of BB in women with advanced BC. Patients and Methods: To explore the association between BB use and BC outcomes, we retrospectively reviewed the ROSE/TRIO-012, a double-blinded, multinational phase III trial that randomized 1,144 patients with HER2-negative advanced BC to first-line docetaxel in combination with ramucirumab or placebo...
May 18, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28520413/temporal-characteristics-of-brown-carbon-over-the-central-indo-gangetic-plain
#5
Rangu Venkata Satish, Puthukkadan Moosakutty Shamjad, Navaneeth M Thamban, Sachchida N Tripathi, Neeraj Rastogi
Recent global models estimate that light absorption by brown carbon (BrC) in several regions of the world is ~30-70% of that due to black carbon (BC). It is, therefore, important to understand its sources and characteristics on temporal and spatial scale. In this study, we conducted semi-continuous measurements of water-soluble organic carbon (WSOC) and BrC using particle-into-liquid sampler coupled with liquid waveguide capillary cell and total carbon analyzer (PILS-LWCC-TOC) over Kanpur (26.5°N, 80.3°E, 142 m amsl) during a winter season (December 2015 to February 2016)...
May 18, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28513286/azelnidipine-is-a-useful-medication-for-the-treatment-of-heart-failure-preserved-ejection-fraction
#6
Shunsuke Kiuchi, Shinji Hisatake, Takayuki Kabuki, Takashi Oka, Shintaro Dobashi, Takahiro Fujii, Takanori Ikeda
BACKGROUND: The optimal therapy in patients with heart failure preserved ejection fraction (HFpEF) and hypertension (HT) has not been revealed. The beta blocker (BB) and the renin angiotensin aldosterone system inhibitor (RAAS-I) are recommend as class IIa in patients with HFpEF. The calcium channel blocker (CCB), a major anti-hypertensive drugs in Japan, is also recommend as class IIa in patients with HFpEF. However, the difference between azelnidipine, an L type CCB, and cilnidipine, an N type CCB, is unclear...
May 17, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28512850/in-situ-handheld-3d-bioprinting-for-cartilage-regeneration
#7
Claudia Di Bella, Serena Duchi, Cathal D O'Connell, Romane Blanchard, Cheryl Augustine, Zhilian Yue, Fletcher Thompson, Christopher Richards, Stephen Beirne, Carmine Onofrillo, Sebastien H Bauquier, Stewart D Ryan, Peter Pivonka, Gordon G Wallace, Peter F Choong
Articular cartilage injuries experienced at an early age can lead to the development of osteoarthritis later in life. In situ 3D printing is an exciting and innovative bio-fabrication technology that enables the surgeon to deliver tissue- engineering techniques at the time and location of need. We have created a hand- held 3D printing device (Biopen) that allows the simultaneous co-axial extrusion of bioscaffold and cultured cells directly into the cartilage defect in vivo in a single session surgery. This pilot study assesses the ability of the Biopen to repair a full thickness chondral defect and the early outcomes in cartilage regeneration, and compares these results to other treatments in a large animal model...
May 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28512644/analysis-of-serum-cytokines-and-single-nucleotide-polymorphisms-of-sod1-sod2-and-cat-in-erysipelas-patients
#8
Charles C Emene, Irina E Kravchenko, Gulnaz I Aibatova, Albert A Rizvanov
Increased free radical production had been documented in group A (β-hemolytic) streptococcus infection cases. Comparing 71 erysipelas patients to 55 age-matched healthy individuals, we sought for CAT, SOD1, and SOD2 single polymorphism mutation (SNPs) interactions with erysipelas' predisposition and serum cytokine levels in the acute and recovery phases of erysipelas infection. Whereas female patients had a higher predisposition to erysipelas, male patients were prone to having a facial localization of the infection...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28512053/effect-of-chitosan-and-coagulation-factors-on-the-wound-repair-phenotype-of-bioengineered-blood-clots
#9
Caroline D Hoemann, Catherine Marchand, Georges-Etienne Rivard, Hani El-Gabalawy, Patrice E Poubelle
Controlling the blood clot phenotype in a surgically prepared wound is an evolving concept in scaffold-guided tissue engineering. Here, we investigated the effect of added chitosan (80% or 95% Degree of Deacetylation, DDA) or coagulation factors (recombinant human Factor VIIa, Tissue Factor, thrombin) on inflammatory factors released by blood clots. We tested the hypothesis that 80% DDA chitosan specifically enhances leukotriene B4 (LTB4) production. Human or rabbit whole blood was combined with isotonic chitosan solutions, coagulation factors, or lipopolysaccharide, cultured in vitro at 37°C, and after 4hours the serum was assayed for LTB4 or inflammatory factors...
May 13, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28506620/bombesin-administration-impairs-memory-and-does-not-reverse-memory-deficit-caused-by-sleep-deprivation
#10
L B T Ferreira, S L B Oliveira, J Raya, L A Esumi, D C Hipolide
Sleep deprivation impairs performance in emotional memory tasks, however this effect on memory is not completely understood. Possible mechanisms may involve an alteration in neurotransmission systems, as shown by the fact that many drugs that modulate neural pathways can prevent memory impairment by sleep loss. Gastrin releasing peptide (GRP) is a neuropeptide that emerged as a regulatory molecule of emotional memory through the modulation of other neurotransmission systems. Thus, the present study addressed the effect of intraperitoneal (IP) administration of bombesin (BB) (2...
May 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28505987/improved-grasp-function-with-transcranial-direct-current-stimulation-in-chronic-spinal-cord-injury
#11
Mar Cortes, Ana Heloisa Medeiros, Aasta Gandhi, Peter Lee, Hermano Igo Krebs, Gary Thickbroom, Dylan Edwards
BACKGROUND: Recovering hand function has important implications for improving independence of patients with tetraplegia after traumatic spinal cord injury (SCI). Transcranial direct current stimulation (tDCS) is a noninvasive rehabilitation technique that has potential to improve motor function. OBJECTIVE: To investigate the effects of one session of 1 mA, 2 mA, and sham anodal tDCS (a-tDCS) in the upper extremity (hand) motor performance (grasp and lease) in patients with chronic cervical SCI...
May 10, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28505881/herbaceous-or-salix-miyabeana-sx64-narrow-buffer-strips-as-a-means-to-minimize-glyphosate-and-aminomethylphosphonic-acid-leaching-from-row-crop-fields
#12
Louise Hénault-Ethier, Marc Lucotte, Matthieu Moingt, Serge Paquet, Sophie Maccario, Élise Smedbol, Marcelo Pedrosa Gomes, Laurent Lepage, Philippe Juneau, Michel Labrecque
Glyphosate is the most widely used herbicide worldwide and is now frequently detected in surface waters of agricultural regions, notably in Quebec (Canada). Numerous legislations require vegetated riparian buffer strips (RBS) along agricultural streams. Quebec policy requires 3-meter-wide RBS. The present study evaluates the efficiency of narrow herbaceous and low- or high-density (33,333 and 55,556stumps/ha) willow, Salix miyabeana 'SX64', RBS, to minimize leaching of glyphosate and its main degradation product (AMPA) from agricultural fields to streams...
May 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28502794/mir-125a-5p-modulates-phenotypic-switch-of-vascular-smooth-muscle-cells-by-targeting-ets-1
#13
C Gareri, C Iaconetti, S Sorrentino, C Covello, S De Rosa, C Indolfi
MicroRNAs are key regulators of vascular smooth muscle cells (VSMCs) phenotypic switch, one of the main events responsible for bare metal stent restenosis (ISR) after percutaneous coronary intervention (PCI). miR-125a-5p is an important modulator of differentiation, proliferation and migration in different cell types; however, its role in VSMCs is still unknown. The aim of this study was to evaluate the role of miR-125a-5p in VSMCs phenotypic switch. Our results suggest that miR-125a-5p is highly expressed in VSMCs, but it is down-regulated after vascular injury in vivo...
May 11, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28502060/comparison-of-univent-tube-and-ez-blocker-in-one-lung-ventilation-airway-pressures-and-gas-exchange
#14
Tülay Hoşten, Can Aksu, Alparslan Kuş, Sevim Cesur, Neşe Türkyılmaz, Mine Solak
Univent tube (UT) and EZ-blocker were used for one-lung ventilation (OLV). UT is a single lumen tube with a small separate lumen containing a bronchial blocker. EZ-blocker differs with its unique y-shaped double-cuffed distal end. We aimed to compare these two airway devices effects on airway pressures, oxygenation, ventilation and haemodynamics during OLV. Patients undergoing elective thoracotomy for the first time were included in this prospective randomized study. Patients were divided into two groups as UT and EZ...
May 13, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28502054/light-absorption-of-biomass-burning-and-vehicle-emission-sourced-carbonaceous-aerosols-of-the-tibetan-plateau
#15
Zhaofu Hu, Shichang Kang, Chaoliu Li, Fangping Yan, Pengfei Chen, Shaopeng Gao, Zhiyong Wang, Yulan Zhang, Mika Sillanpää
Carbonaceous aerosols over the Tibetan Plateau originate primarily from biomass burning and vehicle emissions (BB and VEs, respectively). The light absorption characteristics of these carbonaceous aerosols are closely correlated with the burning conditions and represent key factors that influence climate forcing. In this study, the light absorption characteristics of elemental carbon (EC) and water-soluble organic carbon (WSOC) in PM2.5 (fine particulate matter smaller than 2.5 μm) generated from BB and VEs were investigated over the Tibetan Plateau (TP)...
May 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28500790/accuracy-evaluation-of-a-six-degree-of-freedom-couch-using-conebeam-ct-and-isocal-phantom-with-an-in-house-algorithm
#16
Qinghui Zhang, Joseph Driewer, Shuo Wang, Sicong Li, Xiaofeng Zhu, Dandan Zheng, Yijian Cao, Jiaju Zhang, Abolghassem Jamshidi, Brett W Cox, Jonathan P S Knisely, Louis Potters, Eric E Klein
PURPOSE: The accuracy of a Six Degree of Freedom (6DoF) couch was evaluated using a novel method. METHODS: Cone beam CT (CBCT) images of a 3D phantom (IsoCal) were acquired with different, known combinations of couch pitch and roll angles. Pitch and roll angles between the maximum allowable values of 357 and 3 degrees were tested in one degree increments. A total of 49 combinations were tested at zero degrees of yaw (couch rotation angle). The 3D positions of 16 tungsten carbide BBs, each 4 mm in diameter and arranged in a known geometry within the IsoCal phantom, were determined in the 49 image sets with in-house software...
May 13, 2017: Medical Physics
https://www.readbyqxmd.com/read/28499415/discrimination-of-candidate-subgenome-specific-loci-by-linkage-map-construction-with-an-s1-population-of-octoploid-strawberry-fragaria%C3%A2-%C3%A3-%C3%A2-ananassa
#17
Soichiro Nagano, Kenta Shirasawa, Hideki Hirakawa, Fumi Maeda, Masami Ishikawa, Sachiko N Isobe
BACKGROUND: The strawberry, Fragaria × ananassa, is an allo-octoploid (2n = 8x = 56) and outcrossing species. Although it is the most widely consumed berry crop in the world, its complex genome structure has hindered its genetic and genomic analysis, and thus discrimination of subgenome-specific loci among the homoeologous chromosomes is needed. In the present study, we identified candidate subgenome-specific single nucleotide polymorphism (SNP) and simple sequence repeat (SSR) loci, and constructed a linkage map using an S1 mapping population of the cultivar 'Reikou' with an IStraw90 Axiom® SNP array and previously published SSR markers...
May 12, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28499220/effects-of-preadmission-beta-blockers-on-neurogenic-stunned-myocardium-after-aneurysmal-subarachnoid-hemorrhage-a-meta-analysis
#18
Hai Luo, Wei-Xin Song, Jin-Wen Jiang, Jian-Lan Zhao, Wei-Lin Rong, Mei-Hua Li
OBJECTIVE: Spontaneous subarachnoid hemorrhage is mostly caused by the rupture of an aneurysm. Neurogenic stunned myocardium (NSM) is one of the most frequent complications caused by aneurysmal subarachnoid hemorrhage (aSAH). The possible pathogenesis of NSM may be that the catecholamine peak resulting from aSAH leads to subendocardial ischemia or coronary artery spasm. We designed this meta-analysis to find out whether beta-blockers (BB) can significantly reduce the incidence of NSM and improve the outcomes of aSAH...
May 1, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28495796/phosphorylation-of-nhe3-s-719-regulates-nhe3-activity-through-the-formation-of-multiple-signaling-complexes
#19
Rafiquel Sarker, Boyoung Cha, Olga Kovbasnjuk, Robert Cole, Sandra Gabelli, Chung Ming Tse, Mark Donowitz
Casein kinase 2 (CK2) binds to the NHE3 C-terminus and constitutively phosphorylates a down-stream site (S719) that accounts for 40% of basal NHE3 activity. The role of CK2 in regulation of NHE3 activity in polarized Caco-2/bbe cells was further examined by mutation of NHE3-S(719) to A (not phosphorylated) or D (phosphomimetic). NHE3-S719A but not -S719D had multiple changes in NHE3 activity consisting of a) reduced basal NHE3 activity: specifically, inhibition of the PI3-K/ AKT-dependent component. b) reduced acute stimulation of NHE3 activity by LPA/LPA5R stimulation...
May 11, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28495789/dietary-nondigestible-oligosaccharides-and-bifidobacterium-breve-m-16v-suppress-allergic-inflammation-in-intestine-via-targeting-dendritic-cell-maturation
#20
Sander de Kivit, Atanaska I Kostadinova, JoAnn Kerperien, Mary E Morgan, Veronica Ayechu Muruzabal, Gerard A Hofman, Leon M J Knippels, Aletta D Kraneveld, Johan Garssen, Linette E M Willemsen
Dietary intervention with short-chain galacto-oligosaccharides (scGOS), long-chain fructo-oligosaccharides (lcFOS) and Bifidobacterium breve M-16V (Bb) (GF/Bb) suppresses food allergic symptoms in mice, potentially via intestinal epithelial cell (IEC)-derived galectin-9. Furthermore, in vitro studies showed galacto- and fructo-oligosaccharides (GF) to enhance the immunomodulatory capacity of a TLR9 ligand representing bacterial CpG DNA when exposed to IEC. In this study, we investigated whether GF/Bb modulates dendritic cells (DCs) and subsequent Th2 and regulatory T cell (Treg) frequency in the small intestinal lamina propria (SI-LP)...
May 11, 2017: Journal of Leukocyte Biology
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