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https://www.readbyqxmd.com/read/28345667/the-toxicity-of-angiotensin-converting-enzyme-inhibitors-to-larvae-of-the-disease-vectors-aedes-aegypti-and-anopheles-gambiae
#1
Zatul-'Iffah Abu Hasan, Helen Williams, Nur M Ismail, Hidayatulfathi Othman, Gyles E Cozier, K Ravi Acharya, R Elwyn Isaac
The control of mosquitoes is threatened by the appearance of insecticide resistance and therefore new control chemicals are urgently required. Here we show that inhibitors of mosquito peptidyl dipeptidase, a peptidase related to mammalian angiotensin-converting enzyme (ACE), are insecticidal to larvae of the mosquitoes, Aedes aegypti and Anopheles gambiae. ACE inhibitors (captopril, fosinopril and fosinoprilat) and two peptides (trypsin-modulating oostatic factor/TMOF and a bradykinin-potentiating peptide, BPP-12b) were all inhibitors of the larval ACE activity of both mosquitoes...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28343443/lacosamide-induced-recurrent-ventricular-tachycardia-in-the-acute-care-setting
#2
Theodore J Berei, Matthew P Lillyblad, Adrian K Almquist
Lacosamide is a new-generation antiepileptic drug (AED) most commonly used adjunctively in the setting of partial-onset seizures refractory to traditional therapy. We describe the first case report, to our knowledge, of a patient who developed recurrent, sustained ventricular tachycardia with multiple administrations of lacosamide in an acute setting. A 70-year-old woman with a history significant for valvular heart disease was admitted to the inpatient cardiology service for worsening heart failure. On hospital day 7, she received a bioprosthetic aortic valve...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28343009/prognostic-analysis-for-short-and-long-term-outcomes-of-newly-diagnosed-epilepsy
#3
Yong-Li Jiang, Fang Yuan, Fang Yang, Xiao-Long Sun, Xi-Ai Yang, Lu Song, Wen Jiang
PURPOSE: To explore predictors for short- and long-term prognosis of newly diagnosed epilepsy. METHODS: 549 consecutive patients with newly diagnosed epilepsy were reviewed, 336 were enrolled in the study. Two-year remission in the short term (5 years) and five-year remission in the long term (>5, up to 8 years) were assessed as the outcomes. Logistic regression was used to identify independent predictors for unfavorable outcomes. χ(2) test was used to compare the retention rates of old and new antiepileptic drugs (AEDs)...
March 18, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28342876/increased-activity-of-unlinked-zika-virus-ns2b-ns3-protease-compared-to-linked-zika-virus-protease
#4
Benjamin D Kuiper, Kristin Slater, Nicholas Spellmon, Joshua Holcomb, Prasanna Medapureddy, Kendall M Muzzarelli, Zhe Yang, Reuben Ovadia, Franck Amblard, Iulia A Kovari, Raymond F Schinazi, Ladislau C Kovari
Zika virus (ZIKV) is a flavivirus spread by daytime-active Aedes spp. mosquitoes such as A. aegypti and A. albopictus. Previously thought to be a mild infection, the latest ZIKV outbreak in the Americas is causally associated with more severe symptoms as well as severe birth defects, such as microcephaly. Currently no vaccine or antiviral exists. However, recent progress has demonstrated the viral NS2B/NS3 protease may be a suitable target for the development of small-molecule antiviral agents. To better understand the ZIKV protease, we expressed, purified, and characterized unlinked and linked NS2B/NS3 protease corresponding to an isolate from the recent outbreak in Puerto Rico...
March 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28341392/novel-synthesis-of-gold-nanoparticles-using-artemisia-vulgaris-l-leaf-extract-and-their-efficacy-of-larvicidal-activity-against-dengue-fever-vector-aedes-aegypti-l
#5
B Sundararajan, B D Ranjitha Kumari
The Aedes aegypti L. mosquito transmits dengue and yellow fever, which cause millions of death every year. Dengue is a mosquito-borne viral disease that has rapidly spread worldwide particularly in countries with tropical and subtropical climates areas. The present study denotes a simple and eco-friendly biosynthesis of gold nanoparticles using Artemisia vulgaris L. leaf extract as reducing agent. The synthesized gold nanoparticles were characterized by UV-Visible Spectroscopy, X-Ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FT-IR), Dynamic Light Scattering (DLS), Zeta Potential (ZP), Transmission Electron Microscopy (TEM) and Energy Dispersive X-ray Spectroscopy (EDX)...
March 18, 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28340908/preparing-the-united-states-for-zika-virus-pre-emptive-vector-control-and-personal-protection
#6
EDITORIAL
James H Diaz
Discovered in 1947 in a monkey in the Zika forest of Uganda, Zika virus was dismissed as a cause of a mild illness that was confined to Africa and Southeast Asia and transmitted by Aedes mosquitoes. In 2007, Zika virus appeared outside of its endemic borders in an outbreak on the South Pacific Island of Yap. In 2013, Zika virus was associated with a major neurological complication, Guillain-Barré syndrome, in a larger outbreak in the French Polynesian Islands. From the South Pacific, Zika invaded Brazil in 2015 and caused another severe neurological complication, fetal microcephaly...
December 2016: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28339472/vector-status-of-aedes-species-determines-geographical-risk-of-autochthonous-zika-virus-establishment
#7
Lauren Gardner, Nan Chen, Sahotra Sarkar
BACKGROUND: The 2015-16 Zika virus pandemic originating in Latin America led to predictions of a catastrophic global spread of the disease. Since the current outbreak began in Brazil in May 2015 local transmission of Zika has been reported in over 60 countries and territories, with over 750 thousand confirmed and suspected cases. As a result of its range expansion attention has focused on possible modes of transmission, of which the arthropod vector-based disease spread cycle involving Aedes species is believed to be the most important...
March 24, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28339458/rapid-surveillance-for-vector-presence-rsvp-development-of-a-novel-system-for-detecting-aedes-aegypti-and-aedes-albopictus
#8
Brian L Montgomery, Martin A Shivas, Sonja Hall-Mendelin, Jim Edwards, Nicholas A Hamilton, Cassie C Jansen, Jamie L McMahon, David Warrilow, Andrew F van den Hurk
BACKGROUND: The globally important Zika, dengue and chikungunya viruses are primarily transmitted by the invasive mosquitoes, Aedes aegypti and Aedes albopictus. In Australia, there is an increasing risk that these species may invade highly urbanized regions and trigger outbreaks. We describe the development of a Rapid Surveillance for Vector Presence (RSVP) system to expedite presence- absence surveys for both species. METHODOLOGY/PRINCIPAL FINDINGS: We developed a methodology that uses molecular assays to efficiently screen pooled ovitrap (egg trap) samples for traces of target species ribosomal RNA...
March 24, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28338794/genome-wide-association-study-unravels-the-genetic-control-of-the-apple-volatilome-and-its-interplay-with-fruit-texture
#9
Brian Farneti, Mario Di Guardo, Iuliia Khomenko, Luca Cappellin, Franco Biasioli, Riccardo Velasco, Fabrizio Costa
Fruit quality represents a fundamental factor guiding consumers' preferences. Among apple quality traits, volatile organic compounds and texture features play a major role. Proton Transfer Reaction-Time of Flight-Mass Spectrometry (PTR-ToF-MS), coupled with an artificial chewing device, was used to profile the entire apple volatilome of 162 apple accessions, while the fruit texture was dissected with a TAXT-AED texture analyzer. The array of volatile compounds was classed into seven major groups and used in a genome-wide association analysis carried out with 9142 single nucleotide polymorphisms (SNPs)...
February 24, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28338754/spatial-quantification-of-the-world-population-potentially-exposed-to-zika-virus
#10
Alberto J Alaniz, Antonella Bacigalupo, Pedro E Cattan
Background: Zika virus is an emerging Flaviviridae virus, which has spread rapidly in the last few years. It has raised concern because it has been associated with fetus microcephaly when pregnant women are infected. The main vector is the mosquito Aedes aegypti , distributed in tropical areas. Methods: Niche modelling techniques were used to estimate the potential distribution area of A. aegypti. This was overlapped with human population density, determining areas of potential transmission risk worldwide...
February 23, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28337727/newer-antiepileptic-drugs-in-status-epilepticus-prescription-trends-and-outcomes-in-comparison-with-traditional-agents
#11
Isabelle Beuchat, Jan Novy, Andrea O Rossetti
INTRODUCTION: Newer antiepileptic drugs (AEDs) are increasingly prescribed; however, relatively limited data are available regarding their use in status epilepticus (SE) and the impact on outcome. OBJECTIVES: The aim of this study was to explore the evolution in prescription patterns of newer and traditional AEDs in this clinical setting, and their association with prognosis. METHODS: We analyzed our prospective adult SE registry over a 10-year period (2007-2016) and assessed the yearly use of newer and traditional AEDs and their association with mortality, return to baseline conditions at discharge, and SE refractoriness, defined as treatment resistance to two AEDs, including benzodiazepines...
March 24, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28336562/de-novo-assembly-of-the-aedes-aegypti-genome-using-hi-c-yields-chromosome-length-scaffolds
#12
Olga Dudchenko, Sanjit S Batra, Arina D Omer, Sarah K Nyquist, Marie Hoeger, Neva C Durand, Muhammad S Shamim, Ido Machol, Eric S Lander, Aviva Presser Aiden, Erez Lieberman Aiden
The Zika outbreak, spread by the Aedes aegypti mosquito, highlights the need to create high-quality assemblies of large genomes in a rapid and cost-effective fashion. Here, we combine Hi-C data with existing draft assemblies to generate chromosome-length scaffolds. We validate this method by assembling a human genome, de novo, from short reads alone (67X coverage). We then combine our method with draft sequences to create genome assemblies of the mosquito disease vectors Aedes aegypti and Culex quinquefasciatus, each consisting of three scaffolds corresponding to the three chromosomes in each species...
March 23, 2017: Science
https://www.readbyqxmd.com/read/28335764/health-care-cost-associated-with-the-use-of-enzyme-inducing-and-non-enzyme-active-antiepileptic-drugs-in-the-uk-a-long-term-retrospective-matched-cohort-study
#13
Simon Borghs, Solène Thieffry, Matthias Noack-Rink, Peter Dedeken, Lai San Hong, Laura Byram, John Logan, Jane Chan, Victor Kiri
BACKGROUND: Some antiepileptic drugs (AEDs) induce expression of hepatic enzymes. This can contribute to comorbidities via interference with metabolic pathways and concomitant drug metabolization, thereby increasing the likelihood of health care interventions. Using medical records, we compared the direct health care cost in patients initiating epilepsy therapy with enzyme-inducing AEDs (EIAEDs) vs non-enzyme-active AEDs (nEAAEDs) over up to 12 years. METHODS: Patients with untreated epilepsy were indexed in the UK Clinical Practice Research Datalink and Hospital Episode Statistics database when prescribed a new EIAED or nEAAED between January 2001 and December 2010...
March 23, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28334229/functional-and-nonfunctional-forms-of-cquior91-an-odorant-selectivity-subunit-of-culex-quinquefasciatus
#14
David T Hughes, Julien Pelletier, Suhaila Rahman, Sisi Chen, Walter S Leal, Charles W Luetje
In Culex quinquefasciatus, CquiOR91 is the ortholog of 2 larvae-specific odorant receptors (ORs) from Anopheles gambiae (Agam\Or40, previously shown to respond to several odorant ligands including the broad-spectrum repellent N,N-diethyl-3-methylbenzamide, DEET) and Aedes aegypti (Aaeg\Or40). When we cloned full-length CquiOR91 from a Culex quinquefasciatus larval head RNA sample, we found 2 alleles of this OR, differing at 9 residues. Functional analysis using the Xenopus oocyte expression system and 2-electrode voltage clamp electrophysiology revealed one allele (CquiOR91...
March 3, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28333938/the-relationship-between-entomological-indicators-of-aedes-aegypti-abundance-and-dengue-virus-infection
#15
Elizabeth A Cromwell, Steven T Stoddard, Christopher M Barker, Annelies Van Rie, William B Messer, Steven R Meshnick, Amy C Morrison, Thomas W Scott
Routine entomological monitoring data are used to quantify the abundance of Ae. aegypti. The public health utility of these indicators is based on the assumption that greater mosquito abundance increases the risk of human DENV transmission, and therefore reducing exposure to the vector decreases incidence of infection. Entomological survey data from two longitudinal cohort studies in Iquitos, Peru, linked with 8,153 paired serological samples taken approximately six months apart were analyzed. Indicators of Ae...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28332822/screening-of-wolbachia-endosymbiont-infection-in-aedes-aegypti-mosquitoes-using-attenuated-total-reflection-mid-infrared-spectroscopy
#16
Aazam Khoshmanesh, Dale Christensen, David Perez-Guaita, Iñaki Iturbe-Ormaetxe, Scott L O'Neill, Don McNaughton, Bayden R Wood
Dengue fever is the most common mosquito transmitted viral infection afflicting humans, estimated to generate around 390 million infections each year in over 100 countries. The introduction of the endosymbiotic bacterium Wolbachia into Aedes aegypti mosquitoes has the potential to greatly reduce the public health burden of the disease. This approach requires extensive PCR (Polymerase Chain Reaction) testing of the Wolbachia-infection status of mosquitoes in areas where Wolbachia-A. aegypti are released. Here we report the first example of small organism mid-infrared spectroscopy where we have applied Attenuated Total Reflection Fourier Transform Infrared (ATR-FTIR) spectroscopy and multivariate modelling methods to determine sex, age and the presence of Wolbachia (wMel strain) in laboratory mosquitoes and sex and age in field mosquitoes...
March 23, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28332087/boswellia-ovalifoliolata-burseraceae-essential-oil-as-an-eco-friendly-larvicide-toxicity-against-six-mosquito-vectors-of-public-health-importance-non-target-mosquito-fishes-backswimmers-and-water-bugs
#17
Giovanni Benelli, Mohan Rajeswary, Periasamy Vijayan, Sengamalai Senthilmurugan, Naiyf S Alharbi, Shine Kadaikunnan, Jamal M Khaled, Marimuthu Govindarajan
The use of synthetic pesticides to control vector populations is detrimental to human health and the environment and may lead to the development of resistant strains. Plants can be alternative sources of safer compounds effective on mosquito vectors. In this study, the mosquito larvicidal activity of Boswellia ovalifoliolata leaf essential oil (EO) was evaluated against Anopheles stephensi, Anopheles subpictus, Aedes aegypti, Aedes albopictus, Culex quinquefasciatus, and Culex tritaeniorhynchus. GC-MS revealed that the B...
March 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28331047/ascension-island-a-survey-to-assess-the-presence-of-zika-virus-vectors
#18
G Bullivant, A F Martinou
BACKGROUND AND AIM: Following concerns regarding the spread of Zika virus, Joint Services Health Unit (Cyprus) were tasked to carry out a mosquito survey on the Ascension Island, South Atlantic. This was to determine if vectors of the virus such as Aedes aegypti and Aedes albopictus were introduced and established on the Island. METHODS: An extensive survey of residential areas and natural habitats was initiated in order to collect mosquito larvae and adults by methods such as larval sampling, adult trapping and human landing catches...
March 22, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28330787/acute-impact-of-caffeinated-alcoholic-beverages-on-cognition-a-systematic-review
#19
REVIEW
Laurence Lalanne, Pierre-Eric Lutz, François Paille
INTRODUCTION: Energy drinks are popular beverages that are supposed to counteract sleepiness, increase energy, maintain alertness and reduce symptoms of hangover. Cognitive enhancing seems to be related to many compounds such as caffeine, taurine and vitamins. Currently, users mostly combine psychostimulant effects of energy drinks to counteract sedative effects of alcohol. However, recent literature suggests that this combination conducts to feel less intoxicated but still impaired. The goal of the present article is to review cognitive impact and subjective awareness in case of caffeinated alcoholic beverage (CAB) intoxication...
March 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28330505/mosquito-borne-inkoo-virus-in-northern-sweden-isolation-and-whole-genome-sequencing
#20
Olivia Wesula Lwande, Göran Bucht, Clas Ahlm, Kristoffer Ahlm, Jonas Näslund, Magnus Evander
BACKGROUND: Inkoo virus (INKV) is a less known mosquito-borne virus belonging to Bunyaviridae, genus Orthobunyavirus, California serogroup. Studies indicate that INKV infection is mainly asymptomatic, but can cause mild encephalitis in humans. In northern Europe, the sero-prevalence against INKV is high, 41% in Sweden and 51% in Finland. Previously, INKV RNA has been detected in adult Aedes (Ae.) communis, Ae. hexodontus and Ae. punctor mosquitoes and Ae. communis larvae, but there are still gaps of knowledge regarding mosquito vectors and genetic diversity...
March 23, 2017: Virology Journal
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