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https://www.readbyqxmd.com/read/28736350/antibiotic-prophylaxis-in-endoscopic-endonasal-pituitary-and-skull-base-surgery
#1
Laura Milanese, Matteo Zoli, Giacomo Sollini, Chiara Martone, Corrado Zenesini, Carmelo Sturiale, Paolo Farneti, Giorgio Frank, Ernesto Pasquini, Diego Mazzatenta
OBJECTIVE: Postoperative infection is a potentially dramatic consequence in endoscopic endonasal surgery. The aim of this study is to assess the efficacy of our intraoperative antibiotic prophylaxis, analyzing the risk factors of postoperative meningitis in our series. METHODS: Each endoscopic endonasal procedure performed since 1998 in patients with no preoperative infections and a follow-up longer than 30 days have been included and retrospectively reviewed. Antibiotic protocol consisted in single antibiotic administration of ampicillin/sulbactam 3 g or cefazolin 2 g on induction, no postoperative administrations have been performed after 2005...
July 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28734272/glycosylation-patterns-of-selected-proteins-in-individual-serum-and-cerebrospinal-fluid-samples
#2
Isabella Karlsson, Lorena Ndreu, Alessandro Quaranta, Gunnar Thorsén
A method we previously developed has been applied to the determination of the glycosylation pattern of specific proteins in biological samples. Six proteins (alpha-1-antitrypsin, transferrin, haptoglobin, C1 inhibitor, alpha-1 acid glycoprotein, and immunoglobulin G) were studied in serum samples from five individuals and cerebrospinal fluid (CSF) samples from three individuals, to investigate the expected normal distribution of glycosylation patterns and to assess whether this methodology can be used to discriminate between samples from different individuals...
April 25, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28732710/cytokine-profiling-in-the-prefrontal-cortex-of-parkinson-s-disease-and-multiple-system-atrophy-patients
#3
Rasmus Rydbirk, Betina Elfving, Mille Dahl Andersen, Mia Aggergaard Langbøl, Jonas Folke, Kristian Winge, Bente Pakkenberg, Tomasz Brudek, Susana Aznar
Parkinson's Disease (PD) and Multiple System Atrophy (MSA) are neurodegenerative diseases characterized neuropathologically by alpha-synuclein accumulation in brain cells. This accumulation is hypothesized to contribute to constitutive neuroinflammation, and to participate in the neurodegeneration. Cytokines, which are the main inflammatory signalling molecules, have been identified in blood and cerebrospinal fluid of PD patients, but studies investigating the human brain levels are scarce. It is documented that neurotrophins, necessary for survival of brain cells and known to interact with cytokines, are altered in the basal ganglia of PD patients...
July 18, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28728117/alzheimer-s-disease-markers-in-the-aged-sheep-ovis-aries
#4
Suzanne J Reid, Natasha E Mckean, Kristen Henty, Erik Portelius, Kaj Blennow, Skye R Rudiger, C Simon Bawden, Renee R Handley, Paul J Verma, Richard L M Faull, Henry J Waldvogel, Henrik Zetterberg, Russell G Snell
This study reports the identification and characterization of markers of Alzheimer's disease (AD) in aged sheep (Ovis aries) as a preliminary step toward making a genetically modified large animal model of AD. Importantly, the sequences of key proteins involved in AD pathogenesis are highly conserved between sheep and human. The processing of the amyloid-β (Aβ) protein is conserved between sheep and human, and sheep Aβ1-42/Aβ1-40 ratios in cerebrospinal fluid (CSF) are also very similar to human. In addition, total tau and neurofilament light levels in CSF are comparable with those found in human...
June 24, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28726587/repair-of-tympanic-membrane-perforations-with-customized-bioprinted-ear-grafts-using-chinchilla-models
#5
Che-Ying Kuo, Emmanuel Wilson, Andrew Fuson, Nidhi Gandhi, Reza Monfaredi, Audrey Jenkins, Maria Romero, Marco Santoro, John P Fisher, Kevin Cleary, Brian Reilly
The goal of this work is to develop an innovative method that combines bioprinting and endoscopic imaging to repair tympanic membrane perforations (TMPs). TMPs are a serious health issue because they can lead to both conductive hearing loss and repeated otitis media. TMPs occur in 3 to 5% of cases after ear tube placement as well as in cases of acute otitis media (the second most common infection in pediatrics), chronic otitis media with or without cholesteatoma, or as a result of barotrauma to the ear. About 55,000 tympanoplasties, the surgery performed to reconstruct TMPs, are performed every year and the commonly used cartilage grafting technique has a success rate between 43% to 100%...
July 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28724665/the-c-1085a-g-genetic-variant-of-csf1r-gene-regulates-tumor-immunity-by-altering-the-proliferation-polarization-and-function-of-macrophages
#6
Yu-Min Yeh, Shan-Ju Hsu, Peng-Chan Lin, Keng-Fu Hsu, Pei-Ying Wu, Wu-Chou Su, Jang-Yang Chang, Meng-Ru Shen
Purpose: <p>Targeting tumor-associated macrophages with CSF-1R inhibition reveals a strategy for cancer therapy. Here, we studied the impact of CSF1R germline genetic variant on CSF-1R signaling and the susceptibility to CSF-1R inhibitors.</p> <p>Experimental designs: </p> <p>CSF1R germline genetic variants were studied in 140 cancer patients. CSF-1R phosphorylation, endocytosis and macrophage polarization were measured as the response to CSF-1 stimulation. Tumor-associated macrophages in surgical specimens and sensitivity to CSF-1R inhibitors were used to determine macrophage function...
July 19, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28724384/deficiency-of-pi3-kinase-catalytic-isoforms-p110%C3%AE-and-p110%C3%AE-in-mice-enhances-the-il-17-g-csf-axis-and-induces-neutrophilia
#7
Kirsten Bucher, Fee Schmitt, Benedikt Mothes, Carolin Blumendeller, Daniel Schäll, Roland Piekorz, Emilio Hirsch, Bernd Nürnberg, Sandra Beer-Hammer
BACKGROUND: Phosphoinositide 3-kinase γ (PI3Kγ) and PI3Kδ are second messenger-generating enzymes with key roles in proliferation, differentiation, survival, and function of leukocytes. Deficiency of the catalytic subunits p110γ and p110δ of PI3Kγ and PI3Kδ in p110γ/δ(-/-) mice leads to defective B- and T-cell homeostasis. Here we examined the role of p110γ and p110δ in the homeostasis of neutrophils by analyzing p110γ(-/-), p110δ(-/-) and p110γ/δ(-/-) mice. METHODS: Neutrophils and T cells in leukocyte suspensions from the bone marrow (BM), blood, spleen and lung were analyzed by flow cytometry...
July 19, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28722536/travel-burden-associated-with-granulocyte-colony-stimulating-factor-administration-in-a-medicare-aged-population-a-geospatial-analysis
#8
J Mark Stephens, Mark Bensink, Charles Bowers, Christopher S Hollenbeak
OBJECTIVE: Prophylaxis with granulocyte colony-stimulating factors (G-CSFs) is recommended for patients receiving myelosuppressive chemotherapy regimens with a high risk of febrile neutropenia (FN). G-CSFs should be administered starting the day after chemotherapy, necessitating return trips to the oncology clinic at the end of each cycle. We examined the travel burden related to prophylactic G-CSF injections after chemotherapy in the United States (US). METHODS: We used 2012-2014 Medicare claims data to identify a national cohort of beneficiaries age 65+ with non-myeloid cancers who received both chemotherapy and prophylactic G-CSFs...
July 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28721592/construction-purification-and-characterization-of-a-homodimeric-granulocyte-colony-stimulating-factor
#9
Gitana Mickiene, Indre Dalgediene, Zilvinas Dapkunas, Gintautas Zvirblis, Henrikas Pesliakas, Algirdas Kaupinis, Mindaugas Valius, Edita Mistiniene, Milda Pleckaityte
Granulocyte colony-stimulating factor (G-CSF) has found widespread clinical application, and modified forms with improved biopharmaceutical properties have been marketed as well. PEGylation, the covalent modification of G-CSF with polyethylene glycol (PEG), has a beneficial effect on drug properties, but there are concerns connected to the immunogenicity of PEGylated compounds and bioaccumulation of the synthetic polymer. To overcome challenges connected with chemical modifications, we developed fusion proteins composed of two G-CSF molecules connected via different peptide linkers...
July 18, 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28720954/effect-of-partial-substitution-of-gluten-free-flour-mixtures-with-chia-salvia-hispanica-l-flour-on-quality-of-gluten-free-noodles
#10
Hacer Levent
In this study, chia seed flour (CSF) was used in gluten-free noodle formulation at different levels (0, 10, 20 and 30%, w/w) with and without diacetyl tartaric esters of mono (and di) glycerides (DATEM). Chemical, nutritional, sensory properties and cooking quality of gluten-free noodle samples were investigated. Protein, fat, antioxidant activity and total phenolic content of gluten-free noodles increased by 1.7, 5.5, 2.6 and 2.0 times at 30% usage level of CSF as compared to control sample. Phytic acid and phytate phosphorus content increased from 168...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28716883/role-of-the-%C3%AE-common-%C3%AE-c-family-of-cytokines-in-health-and-disease
#11
Timothy R Hercus, Winnie L T Kan, Sophie E Broughton, Denis Tvorogov, Hayley S Ramshaw, Jarrod J Sandow, Tracy L Nero, Urmi Dhagat, Emma J Thompson, Karen S Cheung Tung Shing, Duncan R McKenzie, Nicholas J Wilson, Catherine M Owczarek, Gino Vairo, Andrew D Nash, Vinay Tergaonkar, Timothy Hughes, Paul G Ekert, Michael S Samuel, Claudine S Bonder, Michele A Grimbaldeston, Michael W Parker, Angel F Lopez
The β common ([βc]/CD131) family of cytokines comprises granulocyte macrophage colony-stimulating factor (GM-CSF), interleukin (IL)-3, and IL-5, all of which use βc as their key signaling receptor subunit. This is a prototypic signaling subunit-sharing cytokine family that has unveiled many biological paradigms and structural principles applicable to the IL-2, IL-4, and IL-6 receptor families, all of which also share one or more signaling subunits. Originally identified for their functions in the hematopoietic system, the βc cytokines are now known to be truly pleiotropic, impacting on multiple cell types, organs, and biological systems, and thereby controlling the balance between health and disease...
July 17, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28713035/intracerebral-gene-therapy-in-children-with-mucopolysaccharidosis-type-iiib-syndrome-an-uncontrolled-phase-1-2-clinical-trial
#12
Marc Tardieu, Michel Zérah, Marie-Lise Gougeon, Jérome Ausseil, Stéphanie de Bournonville, Béatrice Husson, Dimitrios Zafeiriou, Giancarlo Parenti, Philippe Bourget, Béatrice Poirier, Valérie Furlan, Cécile Artaud, Thomas Baugnon, Thomas Roujeau, Ronald G Crystal, Christian Meyer, Kumaran Deiva, Jean-Michel Heard
BACKGROUND: Mucopolysaccharidosis type IIIB syndrome (also known as Sanfilippo type B syndrome) is a lysosomal storage disease resulting in progressive deterioration of cognitive acquisition after age 2-4 years. No treatment is available for the neurological manifestations of the disease. We sought to assess the safety and efficacy of a novel intracerebral gene therapy. METHODS: Local regulatory authorities in France allowed inclusion of up to four children in this phase 1/2 study...
July 13, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28712033/oncolytic-immunotherapy-unlocking-the-potential-of-viruses-to-help-target-cancer
#13
REVIEW
Omid Hamid, Brianna Hoffner, Eduard Gasal, Jenny Hong, Richard D Carvajal
Oncolytic immunotherapy is a research area of cancer immunotherapy investigating the use of modified viruses to target cancer cells. A variety of different viral backbones (e.g., adenovirus, reovirus) with a diverse range of genetic modifications are currently being investigated for the treatment of a variety of cancers. The oncolytic virus that has advanced the furthest in clinical development is talimogene laherparepvec, a recombinant HSV-1 virus expressing granulocyte-macrophage colony-stimulating factor (GM-CSF)...
July 15, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28711452/hematopoietic-stem-cell-transplantation-in-algeria
#14
REVIEW
M A Bekadja, M Brahimi, S Osmani, N Yafour, A Krim, F Serradj, S Talhi, K Amani, R Bouhass
Algeria is a country of 40.4 million inhabitants half of whom are younger than 30years. In Algeria, healthcare insurance covers 90% of the population. Healthcare is free and it is supported by the Ministry of Health. Sixteen university hospitals exist in Algeria and only two (Algiers and Oran) practice bone marrow transplant. Hematologic malignancies in adults account for 10% (∼4000 new cases/y) of the malignancy affecting in most cases young patients under 65years of age. In 2016, 270 transplants were performed (Algiers and Oran), including 149 allografts (related donor transplants: 99%) and 121 autografts...
July 11, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28699692/granulocyte-colony-stimulating-factor-administration-among-hemoglobin-s-trait-donors-a-single-center-experience-from-the-eastern-mediterranean-region
#15
Cigdem Gereklioglu, Suheyl Asma, Aslı Korur, Songul Tepebası, Pelin Aytan, Mahmut Yeral, Ilknur Kozanoglu, Can Boga, Hakan Ozdogu
BACKGROUND AND OBJECTIVE: Assessment of Hemoglobin S trait donors has gained importance together with the increased allogeneic peripheral stem cell transplant activity for sickle cell disease in the regions where the disease is prevalent. Outcomes of Granulocyte-Colony Stimulating Factor (G-CSF) administration are obscure for hemoglobin S trait donors. This study aims at investigating the incidence of hemoglobin S carrier status and outcomes of G-CSF administration among donors who live in Eastern Mediterranean region...
July 12, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28699225/intensive-consolidation-with-g-csf-support-tolerability-safety-reduced-hospitalization-and-efficacy-in-aml-patients-%C3%A2-60-years
#16
Wolfgang R Sperr, Susanne Herndlhofer, Karoline Gleixner, Michael Girschikofsky, Ansgar Weltermann, Sigrid Machherndl-Spandl, Thamer Sliwa, Rainer Poehnl, Veronika Buxhofer-Ausch, Karin Strecker, Gregor Hoermann, Paul Knoebl, Ulrich Jaeger, Klaus Geissler, Michael Kundi, Peter Valent
The aim of this study was to evaluate the efficacy and feasibility of intensified consolidation therapy employing fludarabine and ARA-C in cycle 1 and intermediate-dose ARA-C (IDAC) in cycles 2 through 4, in elderly acute myeloid leukemia (AML) patients and to analyze the effects of pegfilgrastim on the duration of neutropenia, overall toxicity, and hospitalisation-time during consolidation in these patients. Thirty nine elderly patients with de novo AML (median age 69.9 years) who achieved complete remission (CR) after induction-chemotherapy were analyzed...
July 11, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28698402/granulocyte-colony-stimulating-factor-treatment-in-non-alcoholic-fatty-liver-disease-beyond-marrow-cell-mobilization
#17
Ho Hyun Nam, Dae Won Jun, Kiseok Jang, Waqar Khalid Saeed, Jai Sun Lee, Hyeon Tae Kang, Yeon Ji Chae
Protective effects of granulocyte colony stimulating factor (G-CSF) in acute liver injury via marrow cell mobilization have been reported in several studies. But exact mode of action and optimal protocol of G-CSF has been still doubt in chronic disease. Here we investigated mode of action and optimization of G-CSF as a treatment for non-alcoholic fatty liver disease (NAFLD). Various doses of conventional G-CSF (30 μg/kg once weekly, once daily for 5 days, twice weekly) and long acting G-CSF (30 μg/kg once a month) were evaluated in two kinds of NAFLD animal models to optimize the G-CSF protocol...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28697566/reduced-cerebrospinal-fluid-concentration-of-apolipoprotein-a-i-in-patients-with-alzheimer-s-disease
#18
Per Johansson, Erik G Almqvist, Maria Bjerke, Anders Wallin, Jan-Ove Johansson, Ulf Andreasson, Kaj Blennow, Henrik Zetterberg, Johan Svensson
BACKGROUND: Apolipoprotein E (ApoE) has been extensively studied in Alzheimer's disease (AD), but little is known of apolipoprotein A-I (ApoA-I) in cerebrospinal fluid (CSF). OBJECTIVE: Plasma lipids as well as ApoA-I and ApoE in plasma and CSF were determined and related to Mini-Mental State Examination (MMSE) score, APOE genotype, and CSF AD biomarkers. METHODS: Consecutive patients with AD (n = 29), stable mild cognitive impairment (n = 13), other dementias (n = 14), and healthy controls (n = 18) were included at a single center...
July 5, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28695992/optimal-radiotherapy-target-volumes-in-intracranial-nongerminomatous-germ-cell-tumors-long-term-institutional-experience-with-chemotherapy-surgery-and-dose-and-field-adapted-radiotherapy
#19
William G Breen, Miran J Blanchard, Amulya Nageswara Rao, David J Daniels, Jan C Buckner, Nadia N Issa Laack
PURPOSE: To evaluate patterns of failure after multimodality treatment of nongerminomatous germ cell tumors (NGGCTs). MATERIALS AND METHODS: We retrospectively reviewed records of 3,440 patients diagnosed with primary intracranial NGGCT between 1988 and 2014. RESULTS: Thirty-four patients received induction chemotherapy followed by radiation with or without surgery. Median follow-up was 11.1 years (0.8-23.3). Outcomes were significantly improved in these 34 patients (5-year overall survival [OS]: 88% versus 50%, P = 0...
July 11, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28694696/th17-profile-in-copd-exacerbations
#20
REVIEW
Marco Antonio Ponce-Gallegos, Alejandra Ramírez-Venegas, Ramcés Falfán-Valencia
COPD is characterized by an ongoing inflammatory process of the airways that leads to obstruction or limitation of airflow. It is mainly associated with exposure to cigarette smoke. In addition, it is considered, at present, a serious public health problem, ranking fourth in mortality worldwide. Many cells participate in the pathophysiology of COPD, the most important are neutrophils, macrophages and CD4+ and CD8+ T cells. Neutrophil migration to the inflammation area could be mediated largely by cytokines related to CD4+ Th17 lymphocytes, because it has been shown that IL-17A, IL-17F and IL-22 act as inducers for CXCL8, CXCL1, CXCL5, G-CSF, and GM-CSF secretion by epithelial cells of the airways...
2017: International Journal of Chronic Obstructive Pulmonary Disease
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