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https://www.readbyqxmd.com/read/28441858/-development-of-an-eosinophilic-bronchitis-mouse-model-and-the-effects-of-eosinophil-activation-on-airway-hyperresponsiveness-in-eosinophilic-bronchitis-mice
#1
L Li, J T Lin
Objective: To develop a mouse model of eosinophilic bronchitis, and explore the effects of eosinophil activation on airway hyperresponsiveness. Methods: A total of 60 female specific pathogen free BALB/c female mice were divided randomly into four groups: polymyxin B group, normal saline group, polymyxin B+ N-methionine leucine phenylalanine (fMLP) group, normal saline+ fMLP group. All the groups were given corresponding nasal drops for 21 days. The former two groups were given 12 μl 0.5% polymyxin B or normal saline once a day by transnasal administration respectively...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28441811/-reconstruction-processing-of-multi-slice-spiral-ct-in-the-diagnosis-of-complex-bilateral-inner-ear-malformation-with-cerebrospinal-fluid-otorrhea-one-case-report
#2
Y F Ye, B G Pan, S Q Zhang, B S Li, X C Jia
No abstract text is available yet for this article.
April 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28441806/-possible-reasons-for-cerebrospinal-fluid-gusher-in-cochlear-implantation-with-inner-ear-abnormality
#3
S P Sun, W Lu, X M Men, B Zuo, Y B Lei
Objective: To discuss the possible reasons for cerebrospinal fluid (CSF) gusher in cochlear implantation (CI) with inner ear abnormality. Method: A retrospective analysis was performed on 340 cases who underwent CI from January 2013 to December 2016 in Division of Otology, Otorhinolaryngology Hospital, the First Affiliated Hospital of Zhengzhou University. Among them, 96 cases had inner ear abnormalities. Imaging examinations were performed on these patients, and classification of inner ear malformation was done according to the results...
April 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28441721/pathogenic-or-therapeutic-extracellular-vesicles-in-rheumatic-diseases-role-of-mesenchymal-stem-cell-derived-vesicles
#4
REVIEW
Stella Cosenza, Maxime Ruiz, Marie Maumus, Christian Jorgensen, Danièle Noël
Extracellular vesicles (EVs) are important mediators of cell-to-cell communication pathways via the transport of proteins, mRNA, miRNA and lipids. There are three main types of EVs, exosomes, microparticles and apoptotic bodies, which are classified according to their size and biogenesis. EVs are secreted by all cell types and their function reproduces that of the parental cell. They are involved in many biological processes that regulate tissue homeostasis and physiopathology of diseases. In rheumatic diseases, namely osteoarthritis (OA) and rheumatoid arthritis (RA), EVs have been isolated from synovial fluid and shown to play pathogenic roles contributing to progression of both diseases...
April 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28441540/supramolecular-interaction-of-methotrexate-with-cucurbit-7-uril-and-analytical-application
#5
Yin-Xia Chang, Xiang-Mei Zhang, Xue-Chao Duan, Fan Liu, Li-Ming Du
The supramolecular interaction between cucurbit[7]uril (CB[7]) as the host and the anti-cancer drug methotrexate (MTX) as the guest was studied using fluorescence spectroscopy, UV-visible absorption spectroscopy, (1)H NMR, 2D NOESY, and theoretical calculations. The experimental results confirmed the formation of 1:2 inclusion complex with CB[7] and indicated a simple and sensitive competitive method for the fluorescence detection of MTX. It was found that the fluorescence intensities of CB[7]-palmatine, CB[7]-berberine and CB[7]-coptisine were quenched linearly upon the addition of MTX...
April 20, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28441439/hemodynamics-and-gas-exchange-during-chest-compressions-in-neonatal-resuscitation
#6
Payam Vali, Praveen Chandrasekharan, Munmun Rawat, Sylvia Gugino, Carmon Koenigsknecht, Justin Helman, Bobby Mathew, Sara Berkelhamer, Jayasree Nair, Myra Wyckoff, Satyan Lakshminrusimha
PURPOSE: Current knowledge about pulmonary/systemic hemodynamics and gas exchange during neonatal resuscitation in a model of transitioning fetal circulation with fetal shunts and fluid-filled alveoli is limited. Using a fetal lamb asphyxia model, we sought to determine whether hemodynamic or gas-exchange parameters predicted successful return of spontaneous circulation (ROSC). METHODS: The umbilical cord was occluded in 22 lambs to induce asphyxial cardiac arrest...
2017: PloS One
https://www.readbyqxmd.com/read/28441388/a-population-based-approach-for-implementing-change-from-opt-out-to-opt-in-research-permissions
#7
Elizabeth A Marshall, Jim C Oates, Azza Shoaibi, Jihad S Obeid, Melissa L Habrat, Robert W Warren, Kathleen T Brady, Leslie A Lenert
Due to recently proposed changes in the Common Rule regarding the collection of research preferences, there is an increased need for efficient methods to document opt-in research preferences at a population level. Previously, our institution developed an opt-out paper-based workflow that could not be utilized for research in a scalable fashion. This project was designed to demonstrate the feasibility of implementing an electronic health record (EHR)-based active opt-in research preferences program. The first phase of implementation required creating and disseminating a patient questionnaire through the EHR portal to populate discreet fields within the EHR indicating patients' preferences for future research study contact (contact) and their willingness to allow anonymised use of excess tissue and fluid specimens (biobank)...
2017: PloS One
https://www.readbyqxmd.com/read/28441375/primary-adrenal-angiosarcoma-a-rare-and-potentially-misdiagnosed-tumor
#8
Ariel Grajales-Cruz, Francis Baco-Viera, Ernesto Rive-Mora, Carlos Ramirez-Tanchez, David Tasso, Norma Arroyo-Portela, Elizabeth Calderon, Ilean Joan Padua-Octaviani, William Caceres-Perkins
A man aged 69 years presented with acute right flank pain secondary to a hemorrhagic large adrenal tumor. En bloc resection was performed to repair the inferior vena cava. Immunoperoxidase levels in the tumor were positive for factor VIII and CD31 and negative for S100, protein Melan-A, CD34, synaptophysin, chromogranin, desmin, muscle specific actin, ETFA (EMA), KRT20 (CK20), CDX2, TTF1, LNPEP (PLAP), inhibin, ?-fetoprotein, CD30, hepatocyte paraffin, and aberrant expression of cytokeratin 7 and pankeratin...
April 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28441240/emergency-department-management-of-bronchiolitis-in-the-united-states
#9
Constance Gong, Terri Byczkowski, Constance McAneney, Monika K Goyal, Todd A Florin
OBJECTIVE: The aim of this study was to examine differences between general and pediatric emergency departments (PEDs) in adherence to the American Academy of Pediatrics bronchiolitis management guidelines. METHODS: We conducted a nationally representative study of ED visits by infants younger than 24 months with bronchiolitis from 2002 to 2011 using the National Hospital Ambulatory Medical Care Survey. Diagnostic testing (complete blood counts, radiographs) and medication use (albuterol, corticosteroids, antibiotics and intravenous fluids) in general emergency departments (GEDs) were compared with those in PEDs before and after 2006 American Academy of Pediatrics guideline publication...
April 24, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28441152/cryoablation-in-the-management-of-barrett-s-esophagus
#10
Anouk Overwater, Bas L A M Weusten
PURPOSE OF REVIEW: Providing an overview on types of cryotherapy for esophageal application and their role in the management of Barrett's esophagus. RECENT FINDINGS: Recent studies have involved multiple types of cryotherapy including cryospray techniques that use either liquid nitrogen or carbon dioxide as the cryogenic fluid, and the CryoBalloon focal ablation device that uses nitrous oxide. Overall, studies report cryotherapy to be safe and effective in eradicating Barrett's epithelium...
April 24, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28441064/bacillus-calmette-guerin-alleviates-airway-inflammation-and-remodeling-by-preventing-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition
#11
Xinrui Tian, Xinli Tian, Rujie Huo, Qin Chang, Guoping Zheng, Yan Du, Yan Chen, Bo Niu
Bacillus Calmette-Guerin (BCG) is a potent agent for the prevention of tuberculosis. Current studies have regarded BCG as an immunomodulator. However, there is little information on whether it can be used to inhibit airway inflammation and airway remodeling caused by asthma. Therefore, in this study, we investigate the role of epithelial-mesenchymal transition (EMT) in airway inflammation and airway remodeling as well as the possible therapeutic mechanism of BCG for the treatment of asthma. Wistar rats were sensitized and challenged by ovalbumin for 2 weeks or 8 weeks...
April 25, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28441051/diffusion-weighted-magnetic-resonance-imaging-of-the-brain-of-neurologically-normal-dogs
#12
Megan J MacLellan, Christopher P Ober, Daniel A Feeney, Carl R Jessen
OBJECTIVE To acquire MRI diffusion data (apparent diffusion coefficient [ADC] and fractional anisotropy [FA] values, including separate measures for gray and white matter) at 3.0 T for multiple locations of the brain of neurologically normal dogs. ANIMALS: 13 neurologically normal dogs recruited from a group of patients undergoing tibial plateau leveling osteotomy. PROCEDURES: MRI duration ranged from 20 to 30 minutes, including obtaining preliminary images to exclude pathological changes (T2-weighted fluid-attenuated inversion recovery transverse and dorsal images) and diffusion-weighted images...
May 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28441046/characterization-of-long-term-elution-of-platinum-from-carboplatin-impregnated-calcium-sulfate-hemihydrate-beads-in-vitro-by-two-distinct-sample-collection-methods
#13
Rachel J Tulipan, Heidi Phillips, Laura D Garrett, Levent Dirikolu, Mark A Mitchell
OBJECTIVE To characterize long-term elution of platinum from carboplatin-impregnated calcium sulfate hemihydrate (CI-CSH) beads in vitro by comparing 2 distinct sample collection methods designed to mimic 2 in vivo environments. SAMPLES 162 CI-CSH beads containing 4.6 mg of carboplatin (2.4 mg of platinum/bead). PROCEDURES For method 1, which mimicked an in vivo environment with rapid and complete fluid exchange, each of 3 plastic 10-mL conical tubes contained 3 CI-CSH beads and 5 mL of PBS solution. Eluent samples were obtained by evacuation of all fluid at 1, 2, 3, 6, 9, and 12 hours and 1, 2, 3, 6, 9, 12, 15, 18, 22, 26, and 30 days...
May 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28441008/simultaneous-detection-of-dual-prostate-specific-antigens-using-surface-enhanced-raman-scattering-based-immunoassay-for-accurate-diagnosis-of-prostate-cancer
#14
Ziyi Cheng, Namhyun Choi, Rui Wang, Sangyeop Lee, Kyung Chul Moon, Soo-Young Yoon, Lingxin Chen, Jaebum Choo
Accurate analysis of specific biomarkers in clinical serum is essential for early diagnosis and treatment of cancer. Here, a surface-enhanced Raman scattering (SERS)-based immunoassay, using magnetic beads and SERS nano tags, was developed for the determination of free to total (f/t) prostate specific antigen (PSA) ratio to improve the diagnostic performance of prostate cancer. To assess the clinical applicability of the proposed method, SERS-based assays for the simultaneous detection of dual PSA markers, free PSA (f-PSA) and complexed PSA (c-PSA), were performed for clinical samples in the gray zone between 4...
April 25, 2017: ACS Nano
https://www.readbyqxmd.com/read/28440997/-neisseria-meningitidis-a-clinical-case-with-multi-organ-affection
#15
Alejandro Medina-Reyes, Beatriz Díaz-Polanco, Diego Sandoval-Chávez, Manuel Nodal-Hernández, Juan R Ayala-Franco
Neisseria meningitidis (Nm) is an agent feared for decades in the medical field due to its important morbidity and mortality. Ironically between 10 and 15% of the population will be asymptomatic carriers of this germ, which will also be ready to activate and manifest itself as a sickness at the right moment. We present the case of a nine-year-old girl who arrived at the Pediatric Emergency Service (to the Hospital General Region number 35, in Ciudad Juárez, Chihuahua) with the disease in multiple organs, where the Nm was isolated in the cerebrospinal fluid and in skin injuries, displaying three serotypes of Nm...
May 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28440918/uremic-pleuritis-a-case-report-and-review-of-recurrent-exudative-pleural-effusions-in-children
#16
Matthew D McGraw, Csaba Galambos, Paul C Stillwell
Despite similar mechanisms driving pleural fluid accumulation, the causes of pleural effusions in children differ significantly from that of adults. When a pleural effusion re-occurs in an adult, literature recommends early thoracentesis, and consideration for pleuroscopy with biopsy to guide the diagnostic evaluation. In children, there is a paucity of literature for guiding management of recurrent exudative pleural effusion. We present an unusual pediatric case of uremic pleuritis with recurrent pericardial and exudative pleural effusions...
April 25, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28440869/massive-pleural-effusion-on-the-contralateral-side-of-a-venous-peripherally-inserted-central-catheter
#17
Selim Sancak, Abdulhamit Tuten, Tulin Gokmen Yildirim, Guner Karatekin
A preterm newborn infant, delivered at 30 weeks of gestation and 965 g birth weight, developed respiratory distress with resistant hypoxia after a central catheter line was inserted via the right venae brachialis on postnatal day 21. Left-sided massive pleural effusion, collapsed left lung with air bronchograms, and bidirectional shunting through reopened ductus arteriosus were detected by targeted neonatal echocardiography. Hydrothorax was drained under sonographic guidance, producing a milky-white fluid biochemically compatible with parenteral nutrition...
April 25, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28440793/wavelength-dependent-plasmon-mediated-coalescence-of-two-gold-nanorods
#18
Jiunn-Woei Liaw, Wu-Chun Lin, Mao-Kuen Kuo
Plasmon-mediated coalescence of two nearby gold nanorods (NRs) suspended in water induced by the illumination of a linearly polarized (LP) light was studied theoretically. We analyzed the coupled optical forces and torques in terms of Maxwell's stress tensor upon two identical NRs irradiated by a LP plane wave using the multiple multipole method to estimate the optomechanical outcome. Numerical results show that the light-matter interaction can perform attraction or repulsion, depending on their initial configurations...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440792/an-extra-uterine-system-to-physiologically-support-the-extreme-premature-lamb
#19
Emily A Partridge, Marcus G Davey, Matthew A Hornick, Patrick E McGovern, Ali Y Mejaddam, Jesse D Vrecenak, Carmen Mesas-Burgos, Aliza Olive, Robert C Caskey, Theodore R Weiland, Jiancheng Han, Alexander J Schupper, James T Connelly, Kevin C Dysart, Jack Rychik, Holly L Hedrick, William H Peranteau, Alan W Flake
In the developed world, extreme prematurity is the leading cause of neonatal mortality and morbidity due to a combination of organ immaturity and iatrogenic injury. Until now, efforts to extend gestation using extracorporeal systems have achieved limited success. Here we report the development of a system that incorporates a pumpless oxygenator circuit connected to the fetus of a lamb via an umbilical cord interface that is maintained within a closed 'amniotic fluid' circuit that closely reproduces the environment of the womb...
April 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28440740/biomarkers-and-bacteria-around-implants-and-natural-teeth-in-the-same-individuals
#20
Önder Gürlek, Pınar Gümüş, Christopher J Nile, David F Lappin, Nurcan Buduneli
AIM: This cross-sectional study assessed cytokine levels in peri-implant crevicular fluid (PICF)/ gingival crevicular fluid (GCF) and a selection of subgingival/submucosal plaque bacteria from clinically healthy or diseased sites in the same individuals. MATERIAL AND METHODS: Samples from 97 implants/teeth (58 implants: 19 healthy, 20 mucositis, 19 peri-implantitis; 39 natural teeth: 19 healthy, 12 gingivitis, 8 periodontitis) in 15 systemically healthy patients were investigated by immunoassay, real-time PCR...
April 25, 2017: Journal of Periodontology
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