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https://www.readbyqxmd.com/read/28100988/simultaneous-analyses-of-n-linked-and-o-linked-glycans-of-ovarian-cancer-cells-using-solid-phase-chemoenzymatic-method
#1
Shuang Yang, Naseruddin Höti, Weiming Yang, Yang Liu, Lijun Chen, Shuwei Li, Hui Zhang
BACKGROUND: Glycans play critical roles in a number of biological activities. Two common types of glycans, N-linked and O-linked, have been extensively analyzed in the last decades. N-glycans are typically released from glycoproteins by enzymes, while O-glycans are released from glycoproteins by chemical methods. It is important to identify and quantify both N- and O-linked glycans of glycoproteins to determine the changes of glycans. METHODS: The effort has been dedicated to study glycans from ovarian cancer cells treated with O-linked glycosylation inhibitor qualitatively and quantitatively...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/28053878/microparticle-subpopulations-are-potential-markers-of-disease-progression-and-vascular-dysfunction-across-a-spectrum-of-connective-tissue-disease
#2
E M McCarthy, D Moreno-Martinez, F L Wilkinson, N J McHugh, I N Bruce, J D Pauling, M Y Alexander, B Parker
OBJECTIVE: Microparticles (MPs) are membrane-bound vesicles derived from vascular and intravascular cells such as endothelial cells (EMPs) and platelets (PMPs). We investigated EMP and PMP numbers across a spectrum of autoimmune rheumatic diseases (AIRDs) with the aim of comparing the levels of, and relationship between, EMPs and PMPs. METHODS: Patients with Systemic Lupus Erythematosus (SLE) (n = 24), Systemic Sclerosis (SSc) (n = 24), Primary Raynauds Phenomenon (RP) (n = 17) and "other CTD" (n = 15) (Primary Sjogrens Syndrome, UCTD or MCTD) as well as 15 healthy controls were recruited...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28048426/we-ab-207a-07-a-planning-ct-guided-scatter-artifact-correction-method-for-cbct-images
#3
X Yang, T Liu, X Dong, E Elder, W Curran, A Dhabaan
PURPOSE: Cone beam computed tomography (CBCT) imaging is on increasing demand for high-performance image-guided radiotherapy such as online tumor delineation and dose calculation. However, the current CBCT imaging has severe scatter artifacts and its current clinical application is therefore limited to patient setup based mainly on the bony structures. This study's purpose is to develop a CBCT artifact correction method. METHODS: The proposed scatter correction method utilizes the planning CT to improve CBCT image quality...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046711/su-f-i-02-comparative-analysis-and-constancy-check-of-image-quality-parameters-for-three-linear-accelerators-per-tg-142-protocol
#4
Y Altundal, D Pokhrel, H Jiang, R Badkul
PURPOSE: To compare image quality parameters and assessing the image stability of three different linear accelerators (linac) for 2D and 3D imaging modalities: planar kV, MV images and cone-beam CT (CBCT). METHODS: QCkV1, QC-3 and Cathpan-600 phantoms were utilized to acquire kV, MV and CBCT images respectively on monthly basis per TG142 QA protocol for over 2 years on 21Ex, NovalisTx and TrueBeam linacs. DICOM images were analyzed with the help of QA analysis software: PIPsPro from Standard Imaging...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28038388/evaluation-of-perampanel-in-patients-with-intellectual-disability-and-epilepsy
#5
Francesca M Snoeijen-Schouwenaars, Jans S van Ool, In Y Tan, Helenius J Schelhaas, Marian H J M Majoie
INTRODUCTION: Initial registration studies of perampanel (PMP), an AMPA receptor antagonist, have now been followed up by 'clinical' studies that confirmed its efficacy and safety in patients with refractory epilepsy. Publications on the use of PMP among patients with intellectual disability (ID) are still limited. This study extends our knowledge with respect to the relevance of PMP for patients with both ID and epilepsy, and furthermore specifies the behavioral side effects of PMP in this specific population...
December 27, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28029568/differences-in-levels-of-platelet-derived-microparticles-in-platelet-components-prepared-using-the-platelet-rich-plasma-buffy-coat-and-apheresis-procedures
#6
Egarit Noulsri, Prapaporn Udomwinijsilp, Surada Lerdwana, Viroje Chongkolwatana, Parichart Permpikul
BACKGROUND: There has been an increased interest in platelet-derived microparticles (PMPs) in transfusion medicine. Little is known about PMP status during the preparation of platelet concentrates for transfusion. AIM: The aim of this study is to compare the PMP levels in platelet components prepared using the buffy coat (BC), platelet-rich plasma platelet concentrate (PRP-PC), and apheresis (AP) processes. METHODS: Platelet components were prepared using the PRP-PC and BC processes...
October 25, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28018854/cholinergic-depletion-and-basal-forebrain-volume-in-primary-progressive-aphasia
#7
Jolien Schaeverbeke, Charlotte Evenepoel, Rose Bruffaerts, Koen Van Laere, Guy Bormans, Eva Dries, Thomas Tousseyn, Natalie Nelissen, Ronald Peeters, Mathieu Vandenbulcke, Patrick Dupont, Rik Vandenberghe
Primary progressive aphasia (PPA) is a heterogeneous syndrome with various neuropathological causes for which no medical treatment with proven efficacy exists. Basal forebrain (BF) volume loss has been reported in PPA but its relation to cholinergic depletion is still unclear. The primary objective of this study was to investigate whether cholinergic alterations occur in PPA variants and how this relates to BF volume loss. An academic memory clinic based consecutive series of 11 PPA patients (five with the semantic variant (SV), four with the logopenic variant (LV) and two with the nonfluent variant (NFV)) participated in this cross-sectional in vivo PET imaging study together with 10 healthy control subjects...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28011129/fast-and-sensitive-in-vivo-studies-under-controlled-environmental-conditions-to-substitute-long-term-field-trials-with-genetically-modified-plants
#8
Patricia Horn, André Schlichting, Christel Baum, Ute Hammesfahr, Sören Thiele-Bruhn, Peter Leinweber, Inge Broer
We introduce an easy, fast and effective method to analyze the influence of genetically modified (GM) plants on soil and model organisms in the laboratory to substitute laborious and time consuming field trials. For the studies described here we focused on two GM plants of the so-called 3rd generation: GM plants producing pharmaceuticals (PMP) and plant made industrials (PMI). Cyanophycin synthetase (cphA) was chosen as model for PMI and Choleratoxin B (CTB) as model for PMP. The model genes are expressed in transgenic roots of composite Vicia hirsuta plants grown in petri dishes for semi-sterile growth or small containers filled with non-sterile soil...
December 21, 2016: Journal of Biotechnology
https://www.readbyqxmd.com/read/28009931/do-more-robust-prescription-drug-monitoring-programs-reduce-prescription-opioid-overdose
#9
Bryce Pardo
BACKGROUND AND AIMS: In the United States, overdose deaths attributed to opioid pain relievers (OPR) have quadrupled since 1999, prompting many states to adopt Prescription Drug Monitoring Programs (PMP). This study aimed to 1) estimate the relationship of PMP strength with OPR overdose deaths across states and over time; 2) measure what threshold in PMP strength is associated with the greatest reduction in OPR overdose; and 3) assess the relationship of medical marijuana dispensaries with OPR overdose deaths...
December 23, 2016: Addiction
https://www.readbyqxmd.com/read/27991459/early-indication-of-noise-induced-hearing-loss-from-pmp-use-in-adolescents-a-cross-sectional-analysis
#10
Diana C Colon, Ulla Verdugo-Raab, Carmelo P Alvarez, Thomas Steffens, Steven C Marcrum, Stefanie Kolb, Caroline Herr, Dorothee Twardella
CONTEXT: Distortion product otoacoustic emissions (DPOAEs) may indicate preclinical noise-induced hearing loss (NIHL) in adolescents from unsafe personal music player (PMP) use. AIMS: The objective, therefore, was to observe preclinical signs of NIHL in 9th grade adolescents with clinically normal hearing by comparing DPOAE signals between different levels of A-weighted equivalent PMP exposure. SETTINGS AND DESIGN: Subjects were recruited from all secondary-level schools located in the city of Regensburg, Germany during two academic years 2009/2010 and 2010/2011...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27975914/rearranged-sesquiterpenes-produced-by-camarops-sp-an-endophytic-fungus-in-alibertia-macrophylla-rubiaceae
#11
J R Gubiani, C R Nogueira, McM Young, Pmp Ferreira, M O de Moraes, C Pessoa, V S Bolzani, A R Araujo
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27975888/two-new-compounds-produced-by-xylaria-sp-an-endophytic-fungus-from-casearia-sylvestris-flacourtiaceae
#12
G F Martins, C R Nogueira, G H Silva, McM Young, C O Pessoa, Djb Lima, Pmp Ferreira, V S Bolzani, A R Araujo
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27957253/increased-levels-of-circulating-platelet-derived-microparticles-in-psoriasis-possible-implications-for-the-associated-cardiovascular-risk
#13
Evangelia Papadavid, Konstantina Diamanti, Aris Spathis, Maria Varoudi, Ioanna Andreadou, Kostas Gravanis, Kostas Theodoropoulos, Petros Karakitsos, John Lekakis, Dimitrios Rigopoulos, Ignatios Ikonomidis
AIM: To evaluate platelet activation markers in psoriasis patients, compared to controls, and investigate their association with the inflammatory burden of psoriasis. METHODS: Forty psoriatic patients without cardiovascular disease, and 12 healthy controls were subjected to measurement of baseline platelet CD62P, CD63 and CD42b expression, platelet-leukocyte complexes, i.e., platelet-monocyte complexes (PMC), platelet-neutrophil complexes (PNC) and platelet-lymphocyte complexes, and concentrations of platelet-derived microparticles (PMPs) using flow cytometry...
November 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27956361/endothelialization-and-characterization-of-titanium-dioxide-coated-gas-exchange-membranes-for-application-in-the-bioartificial-lung
#14
Michael Pflaum, Marina Kühn-Kauffeldt, Sabrina Schmeckebier, Daniele Dipresa, Kanchan Chauhan, Bettina Wiegmann, Rolf J Haug, Jochen Schein, Axel Haverich, Sotirios Korossis
: Fouling on the gas-exchange hollow-fiber membrane (HFM) of extracorporeal membrane oxygenation (ECMO) devices by blood components and pathogens represents the major hurdle to their long-term application in patients with lung deficiency or unstable hemodynamics. Although patients are treated with anticoagulants, deposition of blood proteins onto the membrane surface may still occur after few days, leading to insufficient gas transfer and, consequently, to device failure. The aim of this study was to establish an endothelial cell (EC) monolayer onto the gas-exchange membrane of an ECMO device with a view to developing a hemocompatible bioartificial lung...
December 9, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27955836/mentored-experience-of-establishing-a-national-peritoneal-malignancy-programme-experience-of-first-50-operative-cases
#15
K H Chang, M Kazanowski, O Staunton, R A Cahill, B J Moran, C Shields, J Mulsow
BACKGROUND: Cytoreductive Surgery (CRS) and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) are considered standard of care for pseudomyxoma peritonei (PMP) and selected patients with colorectal peritoneal metastases (CPM) or peritoneal mesothelioma. A National Peritoneal Malignancy programme was established in Ireland (population of 4.5 million) in May 2013 with mentoring and support from the Peritoneal Malignancy Institute, Basingstoke UK. This study reviews the operative and oncological outcomes for the first 50 patients who underwent CRS and HIPEC in Ireland...
November 19, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27938333/pseudomyxoma-peritonei-of-a-mature-ovarian-teratoma-caused-by-mismatch-repair-deficiency-in-a-patient-with-lynch-syndrome-a-case-report
#16
Yoshimasa Gohda, Rei Noguchi, Tomoko Horie, Toru Igari, Harumi Nakamura, Yasunori Ohta, Kiyoshi Yamaguchi, Tsuneo Ikenoue, Seira Hatakeyama, Nozomi Yusa, Yoichi Furukawa, Hideaki Yano
BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare disease with an estimated incidence of 1-2 cases per million individuals per year. PMP is characterized by the accumulation of abundant mucinous or gelatinous fluid derived from disseminated tumorous cells. Most of the tumorous cells are originated from rupture of appendiceal neoplasms, but some are from the metastasis of cancer of the colon, ovary, fallopian tube, urachus, colorectum, gallbladder, stomach, pancreas, lung and breast. Although frequent mutations in KRAS and/or GNAS genes have been reported, precise molecular mechanism underlying PMP remains to be elucidated...
December 9, 2016: BMC Medical Genetics
https://www.readbyqxmd.com/read/27933554/use-of-anticoagulant-rodenticides-by-pest-management-professionals-in-massachusetts-usa
#17
Kristin Memmott, Maureen Murray, Allen Rutberg
Secondary exposure to chemical rodenticides, specifically second-generation anticoagulant rodenticides (SGARs), poses a threat to non-target wildlife including birds of prey. Federal regulations in the United States currently limit homeowner access to SGARs as a way of minimizing this threat. With legal access to SGARs, pest management professionals (PMPs) represent a potential linkage to non-target exposure. There is limited research focused on rodent control practices, chemical rodenticide preferences, level of concern and awareness, or opinions on rodenticide regulations as they relate to PMPs...
January 2017: Ecotoxicology
https://www.readbyqxmd.com/read/27922762/nonchemotherapy-drug-induced-agranulocytosis-in-children-detected-by-a-prospective-pharmacovigilance-program
#18
Nicolás Medrano-Casique, Hoi Y Tong, Alberto M Borobia, Antonio J Carcas, Jesús Frías, Elena Ramírez
OBJECTIVES: A prospective evaluation of nonchemotherapy drug-induced agranulocytosis (DIA) cases, which are infrequent in the pediatric population. We characterize agranulocytosis cases and assess lab test differences between drug- and nondrug-induced agranulocytosis. METHODS: Through our Prospective Pharmacovigilance Program from Laboratory Signals at Hospital we detected pediatric agranulocytosis cases from July 2007 to December 2010. This program estimates the incidence, drug causality, clinical features, outcomes of DIA pediatric cases, and assesses laboratory differences with respect to non-DIA...
October 2016: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/27918103/identifying-opportunities-to-increase-organ-donation-after-brain-death-an-observational-study-in-sweden-2009-2014
#19
T Nolin, C Mårdh, G Karlström, S M Walther
BACKGROUND: There is a wide gap between the number of organ donors and patients on waiting lists for transplantation. The purpose of this Swedish nationwide study of the critical pathway for organ donation after brain death (DBD) was to identify missed opportunities for organ donation. METHODS: We performed a prospective, observational study of all ICU deaths in Sweden from Jan 1, 2009 to Dec 31, 2014. The protocol structure followed the critical pathway for organ donation, which was developed and tested during 2008...
January 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27873446/the-first-2-years-of-activity-of-a-specialized-organ-procurement-center-report-of-an-innovative-approach-to-improve-organ-donation
#20
P Marsolais, P Durand, E Charbonney, K Serri, A-M Lagacé, F Bernard, M Albert
The number of patients requiring organ transplants continues to outgrow the number of organs donated each year. In an attempt to improve the organ donation process and increase the number of organs available, we created a specialized multidisciplinary team within a specialized organ procurement center (OPC) with dedicated intensive care unit (ICU) beds and operating rooms. The OPC was staffed with ICU nurses, operating room nurses, organ donor management ICU physicians, and multidisciplinary staff. All organ donors within a designated geographic area were transferred to and managed within the OPC...
November 22, 2016: American Journal of Transplantation
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