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https://www.readbyqxmd.com/read/29770118/neuroinflammation-as-a-target-for-intervention-in-subarachnoid-hemorrhage
#1
REVIEW
Airton Leonardo de Oliveira Manoel, R Loch Macdonald
Aneurysmal subarachnoid hemorrhage (SAH) is a sub-type of hemorrhagic stroke associated with the highest rates of mortality and long-term neurological disabilities. Despite the improvement in the management of SAH patients and the reduction in case fatality in the last decades, disability and mortality remain high in this population. Brain injury can occur immediately and in the first days after SAH. This early brain injury can be due to physical effects on the brain such as increased intracranial pressure, herniations, intracerebral, intraventricular hemorrhage, and hydrocephalus...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29755538/synergistic-effect-of-zno-nanoparticles-and-carbon-nanotube-and-polymeric-film-on-electrochemical-oxidation-of-acyclovir
#2
Ghasem Karim-Nezhad, Arezu Sarkary, Zeynab Khorablou, Parisa Seyed Dorraji
A simple and selective carbon paste electrode has been developed for the electrochemical determination of acyclovir (ACV). This electrode was designed by incorporation of multi-walled carbon nanotubes (MWCNTs) and ZnO nanoparticles into the carbon paste matrix, and then poly (o-aminophenol; OAP) film were subsequently electropolymerized on it. The surface structure of nanoparticles were characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Surface morphology and electrochemical properties of the prepared nanocomposite modified electrode were investigated by SEM and cyclic voltammetry (CV)...
2018: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/29717666/in-vitro-evaluation-of-the-antiviral-activity-of-some-mushrooms-from-turkey
#3
Hasan Hüseyin Doğan, Sami Karagöz, Rüstem Duman
Despite considerable recent work to reveal different features of mushrooms species, the few studies of antiviral activities are inadequate and therefore further studies are required. Morchella conica, M. esculenta, Terfezia boudieri, Pleurotus ostreatus, Tricholoma anatolicum, Fomes fomentarius, Laetiporus sulphureus, Phellinus igniarius, Porodaedalea pini, and Pyrofomes demidoffii from Turkey were investigated to reveal their in vitro cytotoxic and anti-herpes simplex virus 1 (HSV-1) activities. The crude methanol extracts (MEs) and aqueous extracts (AEs) of fungal species and acyclovir (ACV) were used...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29697435/management-of-herpes-simplex-virus-epithelial-keratitis
#4
Mehdi Roozbahani, Kristin M Hammersmith
PURPOSE: To review recent advancements in the management of herpes simplex virus (HSV) epithelial keratitis. RECENT FINDINGS: Trifluridine eye drop, acyclovir (ACV) ointment, ganciclovir gel, and oral ACV are still the main therapeutic agents. Cryopreserved amniotic membrane has been recently used as an adjuvant treatment. Resistance to ACV has become a concerning issue. The animal models of HSV vaccine are able to reduce HSV keratitis. New antivirals are under development...
April 24, 2018: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/29689280/molecular-characterization-of-a-novel-bat-associated-circovirus-with-a-poly-t-tract-in-the-3-intergenic-region
#5
Aiwei Zhu, Tinglei Jiang, Tingsong Hu, Shijiang Mi, Zihan Zhao, Fuqiang Zhang, Jiang Feng, Quanshui Fan, Biao He, Changchun Tu
The family Circoviridae comprises a large group of small circular single-stranded DNA viruses with several members causing severe pig and poultry diseases. In recent years the number of new viruses within the family has had an explosive increase showing a high level of genetic diversity and a broad host range. In this report we describe two more circoviruses identified from bats in Yunnan and Heilongjiang provinces in China. Full genome sequencing has revealed that these bat associated circoviruses (bat ACV) should be classified as new species within the genus Circovirus based on the demarcation criteria of the International Committee on the Taxonomy of Viruses (ICTV)...
April 21, 2018: Virus Research
https://www.readbyqxmd.com/read/29615274/conventional-monitoring-is-not-sufficient-to-assess-respiratory-effort-during-assisted-ventilation
#6
F Ruiz Ferrón, J M Serrano Simón
OBJECTIVE: Study the relationship and concordance between calculated respiratory effort using the signals of the ventilator (Pmus) and that measured in esophageal pressure (Pes) on mechanical ventilation with different levels of respiratory assistance. DESIGN: Prospective cohort study. AMBIT: Intensive Care Unit of 2 universitary hospitals. Patients Patients on weaning time. PROCEDURE: Airway, esophageal and respiratory flow were recorded on CPAP, assist volume control (ACV) and pressure support (PS), with complete (ACV1,PS1) and partial assistance (ACV5,PS5)...
March 31, 2018: Medicina Intensiva
https://www.readbyqxmd.com/read/29602045/chemoenzymatic-synthesis-of-new-derivatives-of-glycyrrhetinic-acid-with-antiviral-activity-molecular-docking-study
#7
M Antonela Zígolo, Maximiliano Salinas, Laura Alché, Alicia Baldessari, Guadalupe García Liñares
We present an efficient approach to the synthesis of a series of glycyrrhetinic acid derivatives. Six derivatives, five of them new compounds, were obtained through chemoenzymatic reactions in very good to excellent yield. In order to find the optimal reaction conditions, the influence of various parameters such as enzyme source, nucleophile:substrate ratio, enzyme:substrate ratio, solvent and temperature was studied. The excellent results obtained by lipase catalysis made the procedure very efficient considering their advantages such as mild reaction conditions and low environmental impact...
March 19, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29588235/a-comparison-of-computed-tomography-based-scales-with-and-without-consideration-of-the-presence-or-absence-of-intraventricular-hemorrhage-in-patients-with-aneurysmal-subarachnoid-hemorrhage
#8
Tetsuji Inagawa, Masaaki Shibukawa, Toshikazu Hidaka
OBJECTIVE: There has been controversy as to whether intraventricular hemorrhage (IVH) after aneurysmal subarachnoid hemorrhage (SAH) contributes to angiographic cerebral vasospasm (aCV) and delayed cerebral ischemia (DCI). CT-based SAH scales that did and did not consider IVH were compared in terms of ability to predict aCV, DCI, and outcome. METHODS: We reviewed 390 patients with ruptured aneurysms who had been treated surgically by day 3 by the same surgeon (T...
March 24, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29566065/molecular-prediction-of-adjuvant-cisplatin-efficacy-in-non-small-cell-lung-cancer-nsclc-validation-in-two-independent-cohorts
#9
Ida Kappel Buhl, Eric Santoni-Rugiu, Jesper Ravn, Anker Hansen, Ib Jarle Christensen, Thomas Jensen, Bruce Pratt, Jon Askaa, Peter Buhl Jensen, Steen Knudsen, Jens Benn Sørensen
INTRODUCTION: Effective predictive biomarkers for selection of patients benefiting from adjuvant platinum-based chemotherapy in non-small cell lung cancer (NSCLC) are needed. Based on a previously validated methodology, molecular profiles of predicted sensitivity in two patient cohorts are presented. METHODS: The profiles are correlations between in vitro sensitivity to cisplatin and vinorelbine and baseline mRNA expression of the 60 cell lines in the National Cancer Institute panel...
2018: PloS One
https://www.readbyqxmd.com/read/29548449/examination-of-marine-and-vegetable-oil-oxidation-data-from-a-multi-year-third-party-database
#10
Anna A De Boer, Adam Ismail, Keri Marshall, Gerard Bannenberg, Kevin L Yan, William J Rowe
Fish oil (FO) products constitute good sources of omega-3 fats. Oxidation data from a large third-party database of 1900 + globally-sourced FO samples were assessed. In FO products, for peroxide value (PV), 13.9% exceeded 5 mEq O2 /kg (2.2% >10); for acid value (AcV) 2.1% exceeded 3 mg KOH/g, while for p-anisidine value (pAV) in unflavoured oils, 6.1% exceeded 20, (3.8% >30), and 8.8% exceeded TOTOX limits (26). Additionally, we compared FO with other dietary oils. The FO median PV was similar to those of algal and sunflower oils, 4...
July 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29491485/difference-of-uveal-parameters-between-the-acute-primary-angle-closure-eyes-and-the-fellow-eyes
#11
Xingyi Li, Wei Wang, Wenbin Huang, Shida Chen, Jiawei Wang, Zhonghao Wang, Yaoming Liu, Mingguang He, Xiulan Zhang
PURPOSE: To measure the anterior and posterior ocular biometric characteristics concurrently and to explore the relationship between iris, ciliary body and choroid in acute primary angle closure eyes (APAC) and fellow eyes. METHODS: It is a prospective, cross-sectional study. Thirty patients with recent APAC were finally enroled in it. Anterior and posterior uveal parameters were measured simultaneously by anterior segment optical coherence tomography (AS-OCT), swept-source optical coherence tomography (SS-OCT) and ultrasound biomicroscopy (UBM)...
March 1, 2018: Eye
https://www.readbyqxmd.com/read/29445974/impact-of-acquisition-and-interpretation-on-total-inter-observer-variability-in-echocardiography-results-from-the-quality-assurance-program-of-the-staab-cohort-study
#12
Caroline Morbach, Götz Gelbrich, Margret Breunig, Theresa Tiffe, Martin Wagner, Peter U Heuschmann, Stefan Störk
Variability related to image acquisition and interpretation is an important issue of echocardiography in clinical trials. Nevertheless, there is no broadly accepted standard method for quality assessment of echocardiography in clinical research reports. We present analyses based on the echocardiography quality-assurance program of the ongoing STAAB cohort study (characteristics and course of heart failure stages A-B and determinants of progression). In 43 healthy individuals (mean age 50 ± 14 years; 18 females), duplicate echocardiography scans were acquired and mutually interpreted by one of three trained sonographers and an EACVI certified physician, respectively...
February 14, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29444978/an-off-target-effect-of-bx795-blocks-herpes-simplex-virus-type-1-infection-of-the-eye
#13
Dinesh Jaishankar, Abraam M Yakoub, Tejabhiram Yadavalli, Alex Agelidis, Neel Thakkar, Satvik Hadigal, Joshua Ames, Deepak Shukla
Herpes simplex virus type 1 (HSV-1) causes recurrent mucocutaneous lesions in the eye that may advance to corneal blindness. Nucleoside analogs exemplified by acyclovir (ACV) form the primary class of antiherpetic drugs, but this class suffers limitations due to the emergence of viral resistance and other side effects. While studying the molecular basis of ocular HSV-1 infection, we observed that BX795, a commonly used inhibitor of TANK-binding kinase 1 (TBK1), strongly suppressed infection by multiple strains of HSV-1 in transformed and primary human cells, cultured human and animal corneas, and a murine model of ocular infection...
February 14, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29438122/corneal-and-anterior-chamber-morphology-in-human-immunodeficiency-virus-1-infected-patients-without-opportunistic-infections
#14
Ebru N Cetin, Selda Sayın Kutlu, Osman Parca, Murat Kutlu, Gökhan Pekel
OBJECTIVES: To evaluate corneal and anterior chamber morphology as measured by Pentacam HR in human immunodeficiency virus (HIV)-infected patients without opportunistic infections and to search for signs of accelerated aging. METHODS: This prospective study included 41 eyes of 41 HIV-1-infected patients (study group) and 50 eyes of 50 healthy subjects (control group). Specular microscope and Pentacam HR were used for corneal and anterior chamber morphology evaluation...
February 12, 2018: Eye & Contact Lens
https://www.readbyqxmd.com/read/29427675/relevance-of-non-synonymous-thymidine-kinase-mutations-for-antiviral-resistance-of-recombinant-herpes-simplex-virus-type-2-strains
#15
Anne-Kathrin Brunnemann, Anja Hoffmann, Stefanie Deinhardt-Emmer, Claus-Henning Nagel, Ruben Rose, Helmut Fickenscher, Andreas Sauerbrei, Andi Krumbholz
Therapy or prophylaxis of herpes simplex virus type 2 (HSV-2) infections with the nucleoside analog aciclovir (ACV) can lead to the emergence of drug-resistant HSV-2 strains, particularly in immunocompromised patients. In this context, multiple amino acid (aa) changes can accumulate in the ACV-converting viral thymidine kinase (TK) which hampers sequence-based diagnostics significantly. In this study, the so far unknown or still doubted relevance of several individual aa changes for drug resistance in HSV-2 was clarified...
April 2018: Antiviral Research
https://www.readbyqxmd.com/read/29408328/ribociclib-a-cdk4-cdk6-kinase-inhibitor-enhances-glucocorticoid-sensitivity-in-b-acute-lymphoblastic-leukemia-b-all
#16
Roberta Bortolozzi, Elena Mattiuzzo, Luca Trentin, Benedetta Accordi, Giuseppe Basso, Giampietro Viola
Dysregulation of the cyclin D1-CDK4/CDK6 complex is frequently observed in almost all human cancer and contributes to aberrant cell proliferation and consequent tumorigenesis. Although many reports described the importance of CDK4/CDK6 in different set of human tumors, only few studies have been performed on leukemia. By gene expression analysis performed in a cohort of childhood patients affected by B-acute lymphoblastic leukemia (B-ALL) we found that both CDK4 and CDK6 are highly expressed. Moreover, reverse phase protein array (RPPA) analysis showed that cyclin D1 levels are higher in patients undergoing relapse...
February 3, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29394198/distribution-of-anterior-chamber-parameters-in-normal-chinese-children-and-the-associated-factors
#17
Jing Wang, Xiangui He, Shuyu Xiong, Minwen Zhou, Mingjin Wang, Haidong Zou, Xun Xu
PURPOSE: To describe the distribution of anterior chamber depth (ACD), anterior chamber volume (ACV), and anterior chamber angle (ACA) and establish the associated factors in the pediatric population in Shanghai, China. MATERIALS AND METHODS: In this cross-sectional study, children aged 6 to 18 years from 9 primary and middle schools in Shanghai were enrolled. The Pentacam Scheimpflug camera was used to measure anterior eye chamber parameters. The distribution of ACD, ACV, ACA, and their associations with age, sex, body mass index, cycloplegic refractive error, axial length, intraocular pressure, and other parameters were analyzed...
April 2018: Journal of Glaucoma
https://www.readbyqxmd.com/read/29389629/detection-of-shiga-toxin-producing-escherichia-coli-stec-in-ground-beef-and-bean-sprouts-evaluation-of-culture-enrichment-conditions
#18
Giulia Amagliani, Luca Rotundo, Elisa Carloni, Enrica Omiccioli, Mauro Magnani, Giorgio Brandi, Pina Fratamico
The main purpose of this work was to evaluate culture enrichment conditions, with particular regard to those reported in ISO/TS 13136:2012, for STEC detection in food. The culture media evaluated included mTSB with novobiocin 0-16mg/l (mTSB+N0-16 ) or acriflavin 12mg/l (mTSB+A12 ); BPW; mBPWp with acriflavin 10mg/l, cefsulodin 10mg/l, vancomycin 8mg/l (mBPWp+ACV); and mBPWp with cefsulodin 10mg/l, vancomycin 8mg/l (mBPWp+CV). They were used for the growth of STEC O157, O26, O103, O111, O145 and O104 in pure cultures or in artificially contaminated food matrices (ground beef, mung bean sprouts)...
January 2018: Food Research International
https://www.readbyqxmd.com/read/29379012/antimicrobial-activity-of-apple-cider-vinegar-against-escherichia-coli-staphylococcus-aureus-and-candida-albicans-downregulating-cytokine-and-microbial-protein-expression
#19
Darshna Yagnik, Vlad Serafin, Ajit J Shah
The global escalation in antibiotic resistance cases means alternative antimicrobials are essential. The aim of this study was to investigate the antimicrobial capacity of apple cider vinegar (ACV) against E. coli, S. aureus and C. albicans. The minimum dilution of ACV required for growth inhibition varied for each microbial species. For C. albicans, a 1/2 ACV had the strongest effect, S. aureus, a 1/25 dilution ACV was required, whereas for E-coli cultures, a 1/50 ACV dilution was required (p < 0.05)...
January 29, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29376230/anterior-segment-changes-during-accommodation-in-accommodative-esotropia
#20
Mustafa Koç, Hakan Halit Yaşar, Mehmet Murat Uzel, Salih Çolak, Irfan Durukan, Pelin Yılmazbaş
PURPOSE: To evaluate the anterior segment biometric parameters of non-accommodative and accommodative refractive accommodative esotropia (RAE). METHODS: Eighty-one eyes of 81 patients were included in this prospective, case-control study. The patients were divided into three groups as follows: the RAE group (n = 31), the hypermetropia group (n = 25), and the emmetropia group (n = 25). Measurements were obtained in the non-accommodative (0.0 diopters) and accommodative status (-5...
February 2018: Korean Journal of Ophthalmology: KJO
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