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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
#1
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
#2
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
#3
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
#4
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...
February 7, 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
#5
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
#6
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. METHODS: In this cross-sectional study, children aged 6 to 18 years from nine 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, gender, body mass index, cycloplegic refractive error, axial length, intraocular pressure and other parameters were analyzed...
February 1, 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
#7
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
#8
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
#9
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...
January 25, 2018: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/29368175/differential-proteomics-for-distinguishing-ischemic-stroke-from-controls-a-pilot-study-of-the-spectra-project
#10
A M Penn, V Saly, A Trivedi, M L Lesperance, K Votova, A M Jackson, N S Croteau, R F Balshaw, M B Bibok, D S Smith, K K Lam, J Morrison, L Lu, S B Coutts, C H Borchers
A diagnostic blood test for stroke is desirable but will likely require multiple proteins rather than a single "troponin." Validating large protein panels requires large patient numbers. Mass spectrometry (MS) is a cost-effective tool for this task. We compared differences in the abundance of 147 protein markers to distinguish 20 acute cerebrovascular syndrome (ACVS) patients who presented to the Emergency Department of one urban hospital within < 24 h from onset) and from 20 control patients who were enrolled via an outpatient neurology clinic...
January 24, 2018: Translational Stroke Research
https://www.readbyqxmd.com/read/29365137/comparison-of-commercial-lures-and-food-baits-for-early-detection-of-fruit-infestation-risk-by-drosophila-suzukii-diptera-drosophilidae
#11
Dong H Cha, Stephen P Hesler, Anna K Wallingford, Faruque Zaman, Peter Jentsch, Jan Nyrop, Gregory M Loeb
Drosophila suzukii (Matsumura; Diptera: Drosophilidae) is one of the most serious invasive pests of berries and cherries worldwide. Several adult monitoring systems are available to time foliar application of insecticides with the expectation of detecting the presence of D. suzukii before they infest susceptible crops. We tested this by comparing four different trapping systems based on two homemade baits, apple cider vinegar (ACV) or fermenting dough, and two fermentation volatile-based commercial lures, Scentry and Trécé...
January 21, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29337163/utility-of-ultra-deep-sequencing-for-detection-of-varicella-zoster-virus-antiviral-resistance-mutations
#12
Mélanie Mercier-Darty, David Boutolleau, Raphaël Lepeule, Christophe Rodriguez, Sonia Burrel
We report the first application of ultra-deep sequencing (UDS) to varicella-zoster virus (VZV) genotypic antiviral testing in a case of acyclovir-resistant VZV infection initially detected by Sanger sequencing within a deeply immunocompromised heart transplant recipient. As added-value compared to Sanger analysis, UDS revealed complex dynamics of viral population under antiviral pressure. Varicella-zoster virus (VZV) is a ubiquitous human herpesvirus affecting populations worldwide. VZV is commonly acquired in youth whose primary infection usually manifests as benign varicella (chickenpox)...
January 12, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29291454/nanoscale-determination-of-antiviral-drug-acyclovir-engaging-bifunctionality-of-single-walled-carbon-nanotubes-nafion-film
#13
Pravin Tarlekar, Afsan Khan, Sanghamitra Chatterjee
An elementary and exemplary approach is proposed for the accurate monitoring of antiviral drug acyclovir (ACV) utilizing glassy carbon electrode (GCE) fabricated with single-walled carbon nanotubes and nafion composite film employing square wave voltammetry for the first time. The developed sensor exhibits effective and sustained electron mediating behavior displaying higher peak currents at lower potential than those obtained at bare GCE. At optimal experimental conditions, oxidation current showed a wide linear response for ACV in the concentration range from 10 nM to 30 μM...
December 24, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29280159/a-profile-of-morbidity-and-mortality-rounds-within-resident-training-programs-of-the-american-college-of-veterinary-surgeons
#14
Philip J Kieffer, P O Eric Mueller
OBJECTIVE: To describe the structure and role of morbidity and mortality rounds (MMR) in resident training programs of the American College of Veterinary Surgeons (ACVS). STUDY DESIGN: Cross-sectional analysis: survey. SAMPLE POPULATION: ACVS surgical resident program directors. METHODS: Electronic surveys consisting of 27 questions were sent to the directors of 142 ACVS resident programs. RESULTS: Forty-five (31...
December 27, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29224370/authenticating-apple-cider-vinegar-s-home-remedy-claims-antibacterial-antifungal-antiviral-properties-and-cytotoxicity-aspect
#15
Judy Gopal, Vimala Anthonydhason, Manikandan Muthu, Enkhtaivan Gansukh, Somang Jung, Sechul Chul, Sivanesan Iyyakkannu
These are the days when one would go online first seeking home remedies before seeing a doctor. Apple cider vinegar (ACV) is one such popular yet scientifically under-validated remedy. Our results prove the unequivocal antimicrobial activity of ACV to be true at full strength concentrations. However, the activity cannot be generalised because although strong antibacterial activity was observed at 25% concentrations, in terms of antifungal activity, yeasts, especially Candida were found to be less susceptible...
December 11, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29223449/anti-hsv-2-activity-of-peganum-harmala-l-and-isolation-of-the-active-compound
#16
Roudaina Benzekri, Lamjed Bouslama, Adele Papetti, Majdi Hammami, Abderrazak Smaoui, Ferid Limam
Genital herpes is a sexually transmitted disease caused by herpes simplex virus type 2 (HSV-2). Nucleoside analogues such as acyclovir (ACV) are the usual therapy for treating HSV infection. However, the overuse of this drug has led to the emergence of resistant strains. Therefore, the search for new alternative or complementary molecules to overcome this obstacle is needed. In this objective, Peganum harmala was investigated for its HSV-2 activity. The organic extracts of the different plant organs were evaluated for their cytotoxicity on Vero cells by the MTT test and anti HSV-2 activity by plaque reduction assay...
December 6, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29221652/-acyclovir-resistant-perineal-hsv-infection-revealing-chronic-lymphoid-leukaemia
#17
E A Casassa, P Nicol, R Viraben, C Gaudin, C Bulai Livideanu, C Mengelle, L Lamant, F Fortenfant, C Paul, M P Konstantinou
BACKGROUND: Chronic HSV infection is a cause of chronic perineal ulcerations. We report a case of a chronic and refractory HSV infection revealing chronic lymphoid leukaemia. PATIENTS AND METHODS: An 85-year-old woman with an 8-month history of chronic perineal ulcerations was referred to our dermatology department. She had no previous medical history of herpes infection. Skin biopsies ruled out carcinoma but were consistent with HSV infection. A local swab was positive for HSV2...
December 5, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29198810/short-duration-ocular-iontophoresis-of-ionizable-aciclovir-prodrugs-a-new-approach-to-treat-herpes-simplex-infections-in-the-anterior-and-posterior-segments-of-the-eye
#18
Yong Chen, Yogeshvar N Kalia
The objective was to investigate (trans)corneal and transscleral iontophoresis of biolabile amino acid ester prodrugs of aciclovir (ACV-X, X = Arg, Gly and Trp) as a means to increase ocular bioavailability of ACV. Prodrugs displayed tissue-dependent susceptibility to hydrolysis. Iontophoresis of ACV-Arg, ACV-Gly and ACV-Trp (5 mM, 0.5 mA/cm2) for 5 min followed by 55 min passive diffusion resulted in appreciable corneal deposition (21.5 ± 5.1, 14.1 ± 2.0 and 5.3 ± 0.6 nmol/cm2, respectively) and transcorneal permeation (13...
November 30, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29174884/preoperative-progressive-pneumoperitoneum-in-obese-patients-with-loss-of-domain-hernias
#19
Antonio Carlos Valezi, Barbara Godinho Ferreira de Melo, Antonio Cesar Marson, Mario Liberatti, Ascencio Garcia Lopes
BACKGROUND: Repair of hernias with loss of domain in obese patients can lead to acute respiratory failure. OBJECTIVES: The objective of this study was to analyze preoperative progressive pneumoperitoneum (PPP) in increasing abdominal cavity volume and its impact on respiratory function. SETTING: The study was conducted at the University Hospital, State University of Londrina, Brazil, which is a referral center for the treatment of obesity...
October 16, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/29155164/a-new-promising-candidate-to-overcome-drug-resistant-herpes-simplex-virus-infections
#20
Elisabeth Zinser, Adalbert Krawczyk, Petra Mühl-Zürbes, Ulrich Aufderhorst, Lena Stich, Mirko Zaja, Stefan Strobl, Alexander Steinkasserer, Christiane Silke Heilingloh
Infections with Herpes simplex viruses (HSV) belong to the most common human diseases worldwide, resulting in symptoms ranging from painful, but commonly self-limiting lesions of the orofacial or genital tract to severe infections of the eye or life-threatening generalized infections. Frequent HSV-reactivations at the eye may lead to the development of herpetic stromal keratitis, which is one of the major causes of infectious blindness in developed countries. The vast majority of life-threatening generalized infections occur in immunocompromised individuals, such as transplant recipients or patients suffering from advanced human immunodeficiency virus (HIV) infection with concurrent HSV-reactivation...
November 15, 2017: Antiviral Research
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