نتایج جستجو برای: hemagglutinin neuraminidase gene

تعداد نتایج: 1151308  

Journal: :Bioinformation 2008
Tannistha Nandi

Human infection with avian influenza H5N1 is an emerging infectious disease characterized by respiratory symptoms and a high fatality rate. Hemagglutinin and neuraminidase are the two surface proteins responsible for infection by influenza virus. Till date, neuraminidase has been the major target for antiviral drugs. In the present study we chose hemagglutinin protein as it mediates the binding...

2014
Kalpana Raja Archana Prabahar Suganya Selvakumar T. K. Raja

The genome of the virus H1N1 2009 consists of eight segments but maximum number of mutations occurs at segments 1 and 4, coding for PB2 subunit of hemagglutinin. Comparatively less number of mutations occur at segment 6, coding for neuraminidase. Two antiviral drugs, oseltamivir and zanamivir are commonly prescribed for treating H1N1 infection. Alternate medical systems do compete equally; andr...

Journal: :Journal of virology 2000
O Greengard N Poltoratskaia E Leikina J Zimmerberg A Moscona

4-GU-DANA (zanamivir) (as well as DANA and 4-AM-DANA) was found to inhibit the neuraminidase activity of human parainfluenza virus type 3 (HPF3). The viral neuraminidase activity is attributable to hemagglutinin-neuraminidase (HN), an envelope protein essential for viral attachment and for fusion mediated by the other envelope protein, F. While there is no evidence that HN's neuraminidase activ...

2012
Michael G. Brant Jeremy E. Wulff

Rapid mutation of the influenza virus through genetic mixing raises the prospect of new strains that are both highly transmissible and highly lethal, and which have the ability to evade both immunization strategies (through mutation of hemagglutinin) and current therapies (through mutation of neuraminidase). Inspired by a need for next-generation therapeutics, a synthetic strategy for a new cla...

Journal: :Infection and immunity 1973
J A Kasel R B Couch J L Gerin J L Schulman

Antibody to influenza virus neuraminidase participates in tissue culture neutralization tests in which inhibition of hemadsorption is the end point. Presumably, by inhibiting virus release it functions additively with anti-hemagglutinin in reducing total virus replication.

Journal: :Journal of virology 1984
R M Iorio M A Bratt

The neutralizing characteristics of monoclonal antibodies directed to four antigenic sites on the hemagglutinin-neuraminidase glycoprotein of Newcastle disease virus were determined. Neutralization by each antibody resulted in a persistent fraction of nonneutralized virus which varied from 1 to 17% depending on the hemagglutinin-neuraminidase site recognized, but not on the antibody. The additi...

A. Ashtari A. Rezaei Far M. Abdoshah M. Soltani S. A. Pourbakhsh S. M. Peighambari,

Background: Virulent Newcastle disease virus (vNDV) causes great economic losses to the poultry industry throughout the world. Despite the endemicity of Newcastle disease (ND) and occurrence of recurrent outbreaks, the nature and genetic features of circulating NDV strains in Iran are largely unknown. Aims: This study was conducted to characterize 13 NDV isolat...

Journal: :Journal of virology 1973
V Mayer J L Schulman E D Kilbourne

Genetic recombination of the neurovirulent A/NWS/cc-p (H0N1) and the non-neurovirulent A/Jap.305/57 (H2N2) influenza viruses in which hemagglutinin and neuraminidase were segregated (H0N2, H2N1) were studied for neurovirulence in mice immunosuppressed with cyclophosphamide (CPA) which permitted full expression of virulence. Both H0N2 and H2N1 recombinants replicated in the brain (in contrast to...

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