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https://www.readbyqxmd.com/read/29053906/serum-complement-levels-in-anti-n-methyl-d-aspartate-receptor-encephalitis
#1
Yaqing Shu, Chen Chen, Yin Chen, Yue Xu, Yanyu Chang, Rui Li, Xiaobo Sun, Lisheng Peng, Zhengqi Lu, Wei Qiu
BACKGROUND: This study aimed to evaluate the relationship between serum complement and anti-NMDAR encephalitis. METHODS: Serum complement (C3, C4, CH50), immunoglobulins (IgG, IgM, and IgA) and C-reactive protein (CRP) were evaluated in 40 anti-NMDAR encephalitis patients, and 40 controls. Follow-up evaluations of 11 out of the 40 anti-NMDAR encephalitis patients were conducted 6 months after admission. Modified Rankin scale (mRS) scores and clinical and cerebrospinal fluid (CSF) parameters were evaluated in anti-NMDAR encephalitis patients...
October 20, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29053748/treatment-with-the-nr4a1-agonist-cytosporone-b-controls-influenza-virus-infection-and-improves-pulmonary-function-in-infected-mice
#2
Benoit Egarnes, Marie-Renée Blanchet, Jean Gosselin
The transcription factor NR4A1 has emerged as a pivotal regulator of the inflammatory response and immune homeostasis. Although contribution of NR4A1 in the innate immune response has been demonstrated, its role in host defense against viral infection remains to be investigated. In the present study, we show that administration of cytosporone B (Csn-B), a specific agonist of NR4A1, to mice infected with influenza virus (IAV) reduces lung viral loads and improves pulmonary function. Our results demonstrate that administration of Csn-B to naive mice leads to a modest production of type 1 IFN...
2017: PloS One
https://www.readbyqxmd.com/read/29053067/the-proteome-of-pus-from-human-brain-abscesses-host-derived-neurotoxic-proteins-and-the-cell-type-diversity-of-cns-pus
#3
Bjørnar Hassel, Gustavo Antonio De Souza, Maria Ekman Stensland, Jugoslav Ivanovic, Øyvind Voie, Daniel Dahlberg
OBJECTIVE What determines the extent of tissue destruction during brain abscess formation is not known. Pyogenic brain infections cause destruction of brain tissue that greatly exceeds the area occupied by microbes, as seen in experimental studies, pointing to cytotoxic factors other than microbes in pus. This study examined whether brain abscess pus contains cytotoxic proteins that might explain the extent of tissue destruction. METHODS Pus proteins from 20 human brain abscesses and, for comparison, 7 subdural empyemas were analyzed by proteomics mass spectrometry...
October 20, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29052842/shear-stress-upregulates-regeneration-related-immediate-early-genes-in-liver-progenitors-in-3d-ecm-like-microenvironments
#4
Kenichiro Nishii, Erik Brodin, Taylor Renshaw, Rachael Weesner, Emma Moran, Shay Soker, Jessica L Sparks
The role of fluid stresses in activating the hepatic stem/progenitor cell regenerative response is not well understood. This study hypothesized that immediate early genes (IEGs) with known links to liver regeneration will be upregulated in liver progenitor cells (LPCs) exposed to in vitro shear stresses on the order of those produced from elevated interstitial flow after partial hepatectomy. The objectives were: (1) to develop a shear flow chamber for application of fluid stress to LPCs in 3D culture; and (2) to determine the effects of fluid stress on IEG expression in LPCs...
October 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29052790/efficacy-and-safety-of-glecaprevir-pibrentasvir-in-hcv-infected-japanese-patients-with-prior-daa-experience-severe-renal-impairment-or-genotype-3-infection
#5
Hiromitsu Kumada, Tsunamasa Watanabe, Fumitaka Suzuki, Kenji Ikeda, Ken Sato, Hidenori Toyoda, Masanori Atsukawa, Akio Ido, Akinobu Takaki, Nobuyuki Enomoto, Koji Kato, Katia Alves, Margaret Burroughs, Rebecca Redman, David Pugatch, Tami J Pilot-Matias, Preethi Krishnan, Rajneet K Oberoi, Wangang Xie, Kazuaki Chayama
BACKGROUND: Once-daily, orally administered, co-formulated glecaprevir (NS3/4A protease inhibitor) and pibrentasvir (NS5A inhibitor) (G/P) demonstrated pangenotypic activity and high sustained virologic response (SVR) rates in studies outside Japan. Here we report safety and efficacy in a subset of Japanese patients with chronic HCV infection who received G/P 300/120 mg in a phase 3, open-label, multicenter study (CERTAIN-1). METHODS: This analysis focuses on three difficult-to-treat subgroups: HCV GT1/2-infected patients who failed to achieve SVR after treatment with a direct acting antiviral (DAA)-containing regimen; GT1/2-infected patients with severe renal impairment (estimated glomerular filtration rate < 30 mL/min/1...
October 20, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/29052556/forewings-match-the-formation-of-leading-edge-vortices-and-dominate-aerodynamic-force-production-in-revolving-insect-wings
#6
Di Chen, Dmitry Kolomenskiy, Toshiyuki Nakata, Hao Liu
In many flying insects, forewings and hindwings are coupled mechanically to achieve flapping flight synchronously while being driven by action of the forewings. How the forewings and hindwings as well as their morphologies contribute to aerodynamic force production and flight control remains unclear yet. Here we demonstrate that the forewings can produce most of the aerodynamic forces even with the hindwings removed through a computational fluid dynamic study of three revolving insect wing models, which are identical to the wing morphologies and Reynolds numbers of hawkmoth (Manduca sexta), bumblebee (Bombus ignitus) and fruitfly (Drosophila melanogaster)...
October 20, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/29052330/aquaporins-in-the-male-reproductive-tract-and-sperm-functional-implications-and-cryobiology
#7
REVIEW
M Yeste, R Morató, J E Rodríguez-Gil, S Bonet, N Prieto-Martínez
Aquaporins (AQPs) play a vital role for the transport of water and solutes across cell membranes. Classification of these ubiquitous proteins into three categories (orthodox AQPs, aquaglyceroporins and superaquaporins) is based on their sequence similarity and substrate selectivity. In the male reproductive tract of mammals, most AQPs (except AQP6 and AQP12) are found in different organs (including testis, efferent ducts and epididymis). AQP1 and AQP9 are the most abundant AQPs in the efferent ducts and epididymis and play a crucial role for the secretion/reabsorption dynamics of luminal fluid during sperm transport and maturation...
October 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29051303/transport-associated-pathway-responses-in-ovine-fetal-membranes-to-changes-in-amniotic-fluid-dynamics
#8
Cecilia Y Cheung, Debra F Anderson, Robert A Brace
Current evidence suggests that amniotic fluid volume (AFV) is actively regulated by vesicular transport of amniotic fluid outward across the amnion and into the underlying fetal vasculature in the placenta. Our objective was to determine whether gene expression profiles of potential stimulators, inhibitors, and mediators of vesicular transport are altered in response to changes in intramembranous absorption (IMA) rate. Samples of ovine amnion and chorion were obtained from fetal sheep with normal, experimentally reduced or increased AFVs and IMA rates...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29050279/ssecks-akap12-scaffolding-functions-suppress-b16f10-induced-peritoneal-metastasis-by-attenuating-cxcl9-10-secretion-by-resident-fibroblasts
#9
Masashi Muramatsu, Lingqiu Gao, Jennifer Peresie, Benjamin Balderman, Shin Akakura, Irwin H Gelman
SSeCKS/Gravin/AKAP12 (SSeCKS) is a kinase scaffolding protein known to suppress metastasis by attenuating tumor-intrinsic PKC- and Src-mediated signaling pathways [1]. In addition to downregulation in metastatic cells, in silico analyses identified SSeCKS downregulation in prostate or breast cancer-derived stroma, suggesting a microenvironmental cell role in controlling malignancy. Although orthotopic B16F10 and SM1WT1[Braf(V600E)] mouse melanoma tumors grew similarly in syngeneic WT or SSeCKS-null (KO) mice, KO hosts exhibited 5- to 10-fold higher levels of peritoneal metastasis, and this enhancement could be adoptively transferred by pre-injecting naïve WT mice with peritoneal fluid (PF), but not non-adherent peritoneal cells (PC), from naïve KO mice...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049977/syk-gtp-rac-1-mediated-immune-stimulatory-effect-of-cuscuta-epithymum-ipomoea-batata-and-euphorbia-hirta-plant-extracts
#10
Vanitha Sagar Sudam, Ajay Godwin Potnuri, N J Prameela Subhashini
Polymorphonuclear neutrophils (PMNn) are the pivotal mediators of phagocytosis. In addition to neutropenia, impaired neutrophilic function is associated with pathological conditions and immuno-deficiencies. Henceforth, Immuno-stimulatory strategies targeting neutrophilic function are indeed powerful tools in combating obstinate infections. In appreciation towards the usefulness of herbal medicines in therapeutic scenario, the present study was carried out to analyse the immuno-stimulatory effect of Cuscuta epithymum, Ipomoea batata and Euphorbia hirta using in-vitro and in-vivo rodent experimental models...
October 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29049911/in-human-subject-specific-evaluation-of-a-control-theoretic-plasma-volume-regulation-model
#11
Ramin Bighamian, Michael Kinsky, George Kramer, Jin-Oh Hahn
The goal of this study was to conduct a subject-specific evaluation of a control-theoretic plasma volume regulation model in humans. We employed a set of clinical data collected from nine human subjects receiving fluid bolus with and without co-administration of an inotrope agent, including fluid infusion rate, plasma volume, and urine output. Once fitted to the data associated with each subject, the model accurately reproduced the fractional plasma volume change responses in all subjects: the error between actual versus model-reproduced fractional plasma volume change responses was only 1...
October 9, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29049733/tunneling-nanotubes-are-novel-cellular-structures-that-communicate-signals-between-trabecular-meshwork-cells
#12
Kate E Keller, John M Bradley, Ying Ying Sun, Yong-Feng Yang, Ted S Acott
Purpose: The actin cytoskeleton of trabecular meshwork (TM) cells plays a role in regulating aqueous humor outflow. Many studies have investigated stress fibers, but F-actin also assembles into other supramolecular structures including filopodia. Recently, specialized filopodia called tunneling nanotubes (TNTs) have been described, which communicate molecular signals and organelles directly between cells. Here, we investigate TNT formation by TM cells. Methods: Human TM cells were labeled separately with the fluorescent dyes, DiO and DiD, or with mitochondrial dye...
October 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29049686/national-practice-variation-in-pneumonectomy-perioperative-care-among-canadian-thoracic-surgeons
#13
Biniam Kidane, John K Peel, Andrew Seely, Richard A Malthaner, Christian Finley, Sean Grondin, Brian E Louie, Sadeesh Srinathan, Gail E Darling
OBJECTIVES: Our objective was to assess perioperative pneumonectomy practices among Canadian thoracic surgeons as part of a quality-improvement initiative to determine practice variability and identify areas for study/improvement. METHODS: After several rounds of survey development and piloting, a 29-item survey was distributed using the Dillman method to all practicing members of the Canadian Association of Thoracic Surgeons. RESULTS: The response rate was 87% (62 of 71)...
July 28, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049474/virtual-surgery-for-the-nasal-airway-a-preliminary-report-on-decision-support-and-technology-acceptance
#14
Derek L Vanhille, Guilherme J M Garcia, Onur Asan, Azadeh A T Borojeni, Dennis O Frank-Ito, Julia S Kimbell, Sachin S Pawar, John S Rhee
Importance: Nasal airway obstruction (NAO) is a common problem that affects patient quality of life. Surgical success for NAO correction is variable. Virtual surgery planning via computational fluid dynamics (CFD) has the potential to improve the success rates of NAO surgery. Objective: To elicit surgeon feedback of a virtual surgery planning tool for NAO and to determine if this tool affects surgeon decision making. Design, Setting, and Participants: For this cross-sectional study, 60-minute face-to-face interviews with board-certified otolaryngologists were conducted at a single academic otolaryngology department from September 16, 2016, through October 7, 2016...
October 12, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29049404/low-complexity-microbiota-in-the-duodenum-of-children-with-newly-diagnosed-ulcerative-colitis
#15
Fei Sjöberg, Cecilia Barkman, Intawat Nookaew, Sofia Östman, Ingegerd Adlerberth, Robert Saalman, Agnes E Wold
BACKGROUND: Inflammatory bowel disease (IBD) is characterized by gut dysbiosis. To date, the large bowel microbiota has been in focus. However, the microbiota of the small intestine may also be of importance, as the small bowel is a site for the induction and control of mucosal immune responses, which can be modulated by constituents of the local microbiota. METHODS: Duodenal fluids were collected during diagnostic work-up of treatment-naïve children who were suspected of having IBD...
2017: PloS One
https://www.readbyqxmd.com/read/29049187/a-myeloid-sarcoma-involving-the-small-intestine-kidneys-mesentery-and-mesenteric-lymph-nodes-a-case-report-and-literature-review
#16
Ping Wang, Quan Li, Li Zhang, Hong Ji, Cheng-Zhou Zhang, Bin Wang
RATIONALE: Myeloid sarcomas (MSs) are rare malignant hematological tumors. They most commonly occur in patients with acute or chronic myeloid leukemia. A de novo MS with no evidence of blood system disease is rare, but may represent the first sign of a systemic illness that precedes a full-blown disease. Herein, we report the computed tomography (CT) findings of an extremely rare case of a nonleukemic MS that progressed to acute myelogenous leukemia (AML) and simultaneously involved the small intestine, kidneys, mesentery, and mesenteric lymph nodes...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29049008/exogenous-murine-antimicrobial-peptide-cramp-significantly-exacerbates-ovalbumin-induced-airway-inflammation-but-ameliorates-oxazolone-induced-intestinal-colitis-in-balb-c-mice
#17
Yang Li, Xiaojie Chu, Cunbao Liu, Weiwei Huang, Yufeng Yao, Ye Xia, Pengyan Sun, Qiong Long, Xuejun Feng, Kui Li, Xu Yang, Hongmei Bai, Wenjia Sun, Yanbing Ma
Cathelicidin has been reported to be multifunctional. The current study aimed to investigate the influences of exogenous cathelicidin-related antimicrobial peptide (CRAMP) on inflammatory responses in different disease models. In OVA-induced allergic airway inflammation, CRAMP significantly enhanced the infiltration of inflammatory cells and accumulation of proinflammatory Th2 cytokine IL-13 and IL-33 in bronchial alveolar lavage fluid (BALF), exacerbated lung tissue inflammation and airway goblet cell hyperplasia, and elevated OVA-specific IgE level in serum...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29048452/development-of-the-laboratory-prototype-cavypool-for-assessing-treatments-and-materials-for-swimming-pools
#18
F Valeriani, G Gianfranceschi, M Vitali, C Protano, V Romano Spica
BACKGROUND: Hygiene and surveillance in swimming pools are established by WHO Guidelines and national laws. Progress in water management and pool construction is revolutionizing the field, introducing new materials, systems, disinfection procedures or monitoring markers. Innovation advances challenge the upgrading of safety and quality in pools and the appropriate implementation of guidelines. STUDY DESIGN: In order to provide a device for laboratory test, a prototype was realized and applied to study and compare swimming pool materials and treatments...
November 2017: Annali di Igiene: Medicina Preventiva e di Comunità
https://www.readbyqxmd.com/read/29048220/performance-characteristics-of-body-fluid-cytology-analysis-of-344%C3%A2-380-responses-from-the-college-of-american-pathologists-interlaboratory-comparison-program-in-nongynecologic-cytopathology
#19
Z Laura Tabatabai, Ritu Nayar, Rhona J Souers, Barbara A Crothers, Diane Davis Davey
CONTEXT: - Body fluid cytology is an important diagnostic tool used to identify various conditions. However, an accurate diagnosis in this setting can sometimes be challenging. OBJECTIVE: - To identify the performance characteristics of body fluid cytology by analyzing participant responses from the College of American Pathologists Interlaboratory Comparison Program in Nongynecologic Cytopathology. DESIGN: - Participant responses from 5102 slides were analyzed for concordance to the general category (GC) and to the reference diagnosis (RD)...
October 19, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29048216/thermal-response-to-high-power-holmium-laser-lithotripsy
#20
Ali H Aldoukhi, Khurshid R Ghani, Timothy L Hall, William W Roberts
OBJECTIVES: The aim of this study was to investigate "calyceal" fluid temperature changes during holmium laser activation/lithotripsy using settings up to 40 watt power output with different irrigation flow rates. METHODS: The experimental system consisted of a glass test tube (diameter 10 mm/length 75 mm) filled with deionized water, to mimic a calyx. Real time temperature was recorded using a thermocouple (Physitemp, NJ) positioned 5 mm from the bottom of the tube...
October 19, 2017: Journal of Endourology
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