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https://www.readbyqxmd.com/read/28109139/-imiquimod-combined-with-dendritic-cell-vaccine-decreases-treg-proportion-and-enhances-anti-tumor-responses-in-mice-bearing-melanoma
#1
Shurong Ren, Qiubo Wang, Yanli Zhang, Cuixiu Lu, Ping Li, Yumei Li
Objective To investigate the therapeutic effect of Toll-like receptor 7 (TLR7) agonist imiquimod combined with dendritic cell (DC)-based tumor vaccine on melanoma in mice and the potential mechanism. Methods Melanoma-bearing mouse models were established by subcutanous injection of B16-OVA cells into C57BL/6 mice. DCs were isolated from mouse bone marrow and propagated in culture medium with recombinant mouse granulocyte-macrophage colony-stimulating factor (rmGM-CSF) and recombinant mouse interleukin-4 (rmIL-4)...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28108988/blood-brain-barrier-closure-time-after-controlled-ultrasound-induced-opening-is-independent-of-opening-volume
#2
Meaghan A O'Reilly, Olivia Hough, Kullervo Hynynen
OBJECTIVES: Microbubble-mediated focused ultrasound (US) opening of the blood-brain barrier (BBB) has shown promising results for the treatment of brain tumors and conditions such as Alzheimer disease. Practical clinical implementation of focused US treatments would aim to treat a substantial portion of the brain; thus, the safety of opening large volumes must be investigated. This study investigated whether the opened volume affects the time for the BBB to be restored after treatment...
January 21, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28108921/heavy-metals-and-nutrients-carbon-nitrogen-and-phosphorus-in-sediments-relationships-to-land-uses-environmental-risks-and-management
#3
Yubao Li, Joselito M Arocena, Qiao Zhang, Ronald W Thring, Jianbing Li
Management of sediments in polluted rivers requires an inventory of sediment quantities as well as their nutrient and metal contents and the chemical forms of pollutants. We investigated the influence of three major land uses (i.e., orange plantation-OP, OP + residential + industrial-OPRI, and residential + industrial-RI) on the quality of surface sediments (0-20 cm below water/sediment interface) at the Sanyang Wetland (China). The total contents of metals (As, Cd, Cr, Cu, Ni, Pb, and Zn) and nutrients (C, N, and P) as well as metal speciation in sediments were examined...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28108861/in-vivo-magnetic-resonance-imaging-investigating-the-development-of-experimental-brain-metastases-due-to-triple-negative-breast-cancer
#4
Amanda M Hamilton, Paula J Foster
Triple negative breast cancer (TNBC), when associated with poor outcome, is aggressive in nature with a high incidence of brain metastasis and the shortest median overall patient survival after brain metastasis development compared to all other breast cancer subtypes. As therapies that control primary cancer and extracranial metastatic sites improve, the incidence of brain metastases is increasing and the management of patients with breast cancer brain metastases continues to be a significant clinical challenge...
January 21, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28108839/sporadic-insulinomas-on-volume-perfusion-ct-dynamic-enhancement-patterns-and-timing-of-optimal-tumour-parenchyma-contrast
#5
Liang Zhu, Wen-Ming Wu, Hua-Dan Xue, Wei Liu, Xuan Wang, Hao Sun, Ping Li, Yu-Pei Zhao, Zheng-Yu Jin
OBJECTIVES: To assess enhancement patterns of sporadic insulinomas on volume perfusion CT (VPCT), and to identify timing of optimal tumour-parenchyma contrast. METHODS: Consecutive patients who underwent VPCT for clinically suspected insulinomas were retrospectively identified. Patients with insulinomas confirmed by surgery were included, and patients with familial syndromes were excluded. Two radiologists evaluated VPCT images in consensus. Tumour-parenchyma contrast at each time point was measured, and timing of optimal contrast was determined...
January 20, 2017: European Radiology
https://www.readbyqxmd.com/read/28108405/defects-of-the-vertebral-endplate-implications-for-disc-degeneration-depend-on-size
#6
Uruj Zehra, Luke Flower, Katharine Robson-Brown, Michael A Adams, Patricia Dolan
BACKGROUND CONTEXT: Bony vertebral endplates must be porous to allow metabolite transport into the disc, and yet strong to resist high intradiscal pressure. Endplate defects may therefore have nutritional and mechanical consequences for the disc, depending on their size and type. We hypothesise that broad, diffuse defects are more closely associated with disc decompression and degeneration than are focal Schmorl's node-type defects. PURPOSE: To determine how the size and type of endplate defects are related to decompression and degeneration in the adjacent intervertebral disc...
January 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28108394/unsmoothed-functional-mri-of-the-human-amygdala-and-bed-nucleus-of-the-stria-terminalis-during-processing-of-emotional-faces
#7
Ronald Sladky, Nicole Geissberger, Daniela M Pfabigan, Christoph Kraus, Martin Tik, Michael Woletz, Katharina Paul, Thomas Vanicek, Bastian Auer, Georg S Kranz, Claus Lamm, Rupert Lanzenberger, Christian Windischberger
Functional neuroimaging of the human amygdala has been of great interest to uncover the neural underpinnings of emotions, mood, motivation, social cognition, and decision making, as well as their dysfunction in psychiatric disorders. Yet, several factors limit in vivo imaging of amygdalar function, most importantly its location deep within the temporal lobe adjacent to air-filled cavities that cause magnetic field inhomogeneities entailing signal dropouts. Additionally, the amygdala and the extended amygdalar region consist of several substructures, which have been assigned different functions and have important implications for functional and effective connectivity studies...
January 17, 2017: NeuroImage
https://www.readbyqxmd.com/read/28108290/pmp22-mutant-allele-specific-sirna-alleviates-demyelinating-neuropathic-phenotype-in-vivo
#8
Ji-Su Lee, Eun Hyuk Chang, Ok Jae Koo, Dong Hwan Jwa, Won Min Mo, Geon Kwak, Hyo Won Moon, Hwan Tae Park, Young Bin Hong, Byung-Ok Choi
Charcot-Marie-Tooth disease (CMT) is a genetic disorder that can be caused by aberrations in >80 genes. CMT has heterogeneous modes of inheritance, including autosomal dominant, autosomal recessive, X-linked dominant, and X-linked recessive. Over 95% of cases are dominantly inherited. In this study, we investigated whether regulation of a mutant allele by an allele-specific small interfering RNA (siRNA) can alleviate the demyelinating neuropathic phenotype of CMT. We designed 19 different allele-specific siRNAs for Trembler J (Tr-J) mice harboring a naturally occurring mutation (Leu16Pro) in Pmp22...
January 17, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28108262/deceased-organ-donor-management-does-hospital-volume-matter
#9
Madhukar S Patel, Jahan Mohebali, Mitchell Sally, Tahnee Groat, Parsia A Vagefi, David C Chang, Darren J Malinoski
BACKGROUND: Identification of strategies to improve organ donor utilization remains imperative. Despite the association between hospital volume and outcomes for many common disease processes, there have been no studies to assess the impact of organ donor hospital volume on organ yield. STUDY DESIGN: A prospective observational study of all deceased organ donors managed by ten OPOs across UNOS Regions 4, 5, and 6 was conducted from February 2012-June 2015. In order to study the impact of hospital volume on organ yield, each donor was placed into a hospital volume quartile based on the number of donors managed by their hospital...
December 16, 2016: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28108209/the-impact-of-cognitive-impairment-on-efficacy-of-pulmonary-rehabilitation-in-patients-with-copd
#10
Fiona A H M Cleutjens, Martijn A Spruit, Rudolf W H M Ponds, Lowie E G W Vanfleteren, Frits M E Franssen, Jeanette B Dijkstra, Candy Gijsen, Emiel F M Wouters, Daisy J A Janssen
OBJECTIVES: To compare changes in pulmonary rehabilitation (PR) dropout and outcomes between chronic obstructive pulmonary disease (COPD) patients with and without cognitive impairment. DESIGN: A cross-sectional observational study. SETTING: Patients with COPD were recruited from a PR centre in the Netherlands. PARTICIPANTS: The study population consisted of 157 patients with clinically stable COPD who were referred for and completed PR...
January 17, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28108065/assessment-of-central-venous-physiology-of-fontan-circulation-using-peripheral-venous-pressure
#11
Satoshi Masutani, Clara Kurishima, Akiko Yana, Seiko Kuwata, Yoichi Iwamoto, Hirofumi Saiki, Hirotaka Ishido, Hideaki Senzaki
OBJECTIVE: Elevated central venous pressure is a major cause of morbidity and mortality after the Fontan operation. The difference between mean circulatory filling pressure and central venous pressure, a driving force of venous return, is important in determining dynamic changes in central venous pressure in response to changes in ventricular properties or loading conditions. Thus, noninvasive central venous pressure and mean circulatory filling pressure estimation may contribute to optimal management in patients undergoing the Fontan operation...
December 19, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28107730/systemic-atherosclerosis-and-voiding-symptom
#12
A Ozgur Yeniel, A Mete Ergenoglu, Reci Meseri, Anıl Ari, Ceren Sancar, Ismail Mete Itil
OBJECTIVE: To evaluate the effect of atherosclerosis on the storage and voiding symptoms of the bladder in women with overactive bladder (OAB). STUDY DESIGN: We retrospectively reviewed the charts of women with OAB who were evaluated between 2013 and 2015 in our urogynecology unit. Charts were assessed for history, examination findings, urinary diary, quality of life (QOL) questionnaires, urodynamic studies (UDSs), and four main risk factors for atherosclerosis: hypertension, diabetes mellitus, smoking, and hyperlipidemia...
January 9, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28107458/neuropilin-1-involvement-in-choroidal-and-retinal-neovascularisation
#13
Patricia Fernández-Robredo, Senthil Selvam, Michael B Powner, Dawn A Sim, Marcus Fruttiger
PURPOSE: Inhibiting VEGF is the gold standard treatment for neovascular age-related macular degeneration (AMD). It is also effective in preventing retinal oedema and neovascularisation (NV) in diabetic retinopathy (DR) and retinal vein occlusions (RVO). Neuropilin 1 (Nrp1) is a co-receptor for VEGF and many other growth factors, and therefore a possible alternative drug target in intra ocular neovascular disease. Here we assessed choroidal and retinal NV in an inducible, endothelial specific knock out model for Nrp1...
2017: PloS One
https://www.readbyqxmd.com/read/28107436/a-micro-ct-study-in-patients-with-breast-microcalcifications-using-a-mathematical-algorithm-to-assess-3d-structure
#14
David Kenkel, Zsuzsanna Varga, Heike Heuer, Konstantin J Dedes, Nicole Berger, Lukas Filli, Andreas Boss
PURPOSE: The aim of this study was to evaluate the relevance of the three-dimensional (3D) structure of breast microcalcifications (MC) as a predictor of malignancy using highly resolved micro-computed tomography (micro-CT) datasets of biopsy samples. MATERIAL AND METHODS: The study included 28 women with suspicious MC in their mammogram undergoing vacuum-assisted biopsy. Directly after the intervention, the specimens were scanned in a micro-CT with an isometric spatial resolution of 9 μm...
2017: PloS One
https://www.readbyqxmd.com/read/28107287/case-volume-and-revisits-in-children-undergoing-gastrostomy-tube-placement
#15
Marjorie J Arca, Shawn J Rangel, Matt Hall, David H Rothstein, Martin L Blakely, Peter C Minneci, Samir S Shah, Kurt F Heiss, Charles L Snyder, Loren Berman, Marybeth Browne, Charles D Vinocur, Mehul V Raval, Adam B Goldin
OBJECTIVE: Emergency department (ED) visits and hospital readmissions are common following gastrostomy tube (GT) placement in children. We sought to characterize inter-hospital variation in revisit rates and explore the association between this outcome and hospital-specific GT case volume. STUDY DESIGN: We conducted a retrospective cohort study from 38 hospitals using the Pediatric Health Information System (PHIS) database. Patients <18 years who had a GT placed in 2010-2012 were assessed for a GT-related (mechanical or infectious) ED visit or inpatient readmission at 30 and 90 days following discharge from GT placement...
January 20, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28107276/the-effect-of-deep-versus-moderate-neuromuscular-block-on-surgical-conditions-and-postoperative-respiratory-function-in-bariatric-laparoscopic-surgery-a-randomized-double-blind-clinical-trial
#16
Sam Baete, Gerd Vercruysse, Margot Vander Laenen, Pieter De Vooght, Jeroen Van Melkebeek, Dimitri Dylst, Maud Beran, Jan Van Zundert, René Heylen, Willem Boer, Sam Van Boxstael, Tom Fret, Hans Verhelst, Cathy De Deyne, Frank Jans, Pascal Vanelderen
BACKGROUND: In recent literature, it has been suggested that deep neuromuscular block (NMB) improves surgical conditions during laparoscopy; however, the evidence supporting this statement is limited, and this was not investigated in laparoscopic bariatric surgery. Moreover, residual NMB could impair postoperative respiratory function. We tested the hypotheses that deep NMB could improve the quality of surgical conditions for laparoscopic bariatric surgery compared with moderate NMB and investigated whether deep NMB puts patients at risk for postoperative respiratory impairment compared with moderate NMB...
January 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28107258/what-to-eat-and-drink-in-the-festive-season-a-pan-european-observational-cross-sectional-study
#17
Helen L Parker, Jelena Curcic, Henriette Heinrich, Matthias Sauter, Michael Hollenstein, Werner Schwizer, Edoardo Savarino, Mark Fox
BACKGROUND: Digestive discomfort after meals is common in the community, especially during the festive season. It is uncertain whether this is related to intake of either high-calorie or high-fat foods or, alternatively, intake of specific foods. This prospective, cross-sectional study tested the hypothesis that the risk of reflux or dyspepsia is associated with the fat content of the meal independent of caloric load in a 'real-life' setting. MATERIALS AND METHODS: Four festive meals were served to delegates attending a conference on four consecutive days...
January 19, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28107094/dynamic-volume-assessment-of-hepatocellular-carcinoma-in-rat-livers-using-a-clinical-3t-mri-and-novel-segmentation
#18
Lorenzo A Orci, Graziano Oldani, Stephanie Lacotte, Florence Slits, Iris Friedli, Wolfgang Wirth, Christian Toso, Jean-Paul Vallée, Lindsey A Crowe
PURPOSE: In vivo liver cancer research commonly uses rodent models. One of the limitations of such models is the lack of accurate and reproducible endpoints for a dynamic assessment of growing tumor nodules. The aim of this study was to validate a noninvasive, true volume segmentation method using two rat hepatocellular carcinoma (HCC) models, correlating magnetic resonance imaging (MRI) with histological volume measurement, and with blood levels of α-fetoprotein. MATERIALS AND METHODS: We used 3T clinical MRI to quantify tumor volume with follow-up over time...
January 20, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28106773/determinants-of-serum-glycerophospholipid-fatty-acids-in-cystic-fibrosis
#19
Sławomira Drzymała-Czyż, Patrycja Krzyżanowska, Berthold Koletzko, Jan Nowak, Anna Miśkiewicz-Chotnicka, Jerzy A Moczko, Aleksandra Lisowska, Jarosław Walkowiak
The etiology of altered blood fatty acid (FA) composition in cystic fibrosis (CF) is understood only partially. We aimed to investigate the determinants of serum glycerophospholipids' FAs in CF with regard to the highest number of FAs and in the largest cohort to date. The study comprised 172 CF patients and 30 healthy subjects (HS). We assessed Fas' profile (gas chromatography/mass spectrometry), CF transmembrane conductance regulator (CFTR) genotype, spirometry, fecal elastase-1, body height and weight Z-scores, liver disease, diabetes and colonization by Pseudomonas aeruginosa...
January 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106569/cerebellar-volume-and-executive-function-in-parkinson-disease-with-and-without-freezing-of-gait
#20
Peter S Myers, Marie E McNeely, Jonathan M Koller, Gammon M Earhart, Meghan C Campbell
BACKGROUND: Freezing of gait (FOG) affects approximately 50% of people with Parkinson Disease (PD), impacting quality of life and placing financial and emotional strain on the individual and caregivers. People with PD and FOG have similar deficits in motor adaptation and cognition as individuals with cerebellar lesions, indicating the cerebellum may play a role in FOG. OBJECTIVE: To examine potential differences in cerebellar volumes and their relationships with cognition between PD with (FOG+) and without FOG (FOG-)...
January 17, 2017: Journal of Parkinson's Disease
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