نتایج جستجو برای: haemagglutinin

تعداد نتایج: 1116  

Journal: :The Journal of general virology 1995
S Houard T M Varsanyi F Milican E Norrby A Bollen

The fusion (F) and haemagglutinin-neuraminidase (HN) glycoproteins of mumps virus (MuV) have been produced in CV1 cells via vaccinia virus recombinants. Recombinant proteins accumulated in infected cells and were glycosylated. Upon reduction, the F protein product was completely converted into its subunits. Hamsters infected with vaccinia recombinants expressing either the F or HN proteins prod...

Journal: :Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin 2010
R R Miller A R MacLean R N Gunson W F Carman

To the editor: Kilander et al. (2010) [1] have previously reported that in some cases of patients with severe or fatal pandemic influenza A(H1N1), an amino acid substitution from aspartic acid to glycine occurs at position 222 (D222G) of the HA1 subunit of haemagglutinin (HA). In their study 11 (18%) of 61 patients with severe disease had the mutation, in contrast to 0 of 205 patients with mild...

Journal: :Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin 2011
G C Mak C K Leung K C Cheng K Y Wong W Lim

Phylogenetic analysis of the haemagglutinin (HA) gene shows that the influenza A(H1N1)2009 viruses collected in Hong Kong clustered in two main branches characterised by the E391E and E391K amino acids. The main branch E391K evolved in two sub-branches with N142D and S202T mutations that first appeared in March and July 2010, respectively, with the latter becoming the predominant strain. These ...

Journal: :Indian journal of experimental biology 1999
P Swain K C Verma J M Kataria S K Mohanty

Two mouse monoclonal antibodies (MAbs), viz. 2B7 and 2 D10 raised against haemagglutinin-neuraminidase glycoprotein of Newcastle disease virus (NDV) were used to identify several other field isolates and vaccine strains of NDV. These MAbs reacted specifically with all the NDV strains/isolates in Dot-ELISA whereas, only MAb 2D10 reacted with all the NDV strains/isolates in agar gel precipitation...

Journal: :Antiviral therapy 2010
Guillermo Ruiz-Carrascoso Inmaculada Casas Francisco Pozo Marta González-Vincent Pilar Pérez-Breña

In this study, we report a case of multidrug-resistant influenza A(H3N2) virus isolated from an immunosuppressed patient with prolonged viral shedding. We also describe the genetic characterization of the haemagglutinin, neuraminidase and M2 influenza genes. The virus contained the substitutions E119V in neuraminidase and V27A in M2, which produce resistance to oseltamivir and adamantanes, resp...

2017
Maria-Pia Hergens Ulrike Baum Mia Brytting Niina Ikonen Anu Haveri Åsa Wiman Hanna Nohynek Åke Örtqvist

Systems for register-based monitoring of vaccine effectiveness (VE) against laboratory-confirmed influenza (LCI) in real time were set up in Stockholm County, Sweden, and Finland, before start of the 2016/17 influenza season, using population-based cohort studies. Both in Stockholm and Finland, an early epidemic of influenza A(H3N2) peaked in week 52, 2016. Already during weeks 48 to 50, analys...

Journal: :Asian Pacific journal of tropical biomedicine 2014
Beuy Joob Viroj Wiwanitkit

Sir, in later 2013, the newest emerging influenza infection is firstly reported from Taiwan[1,2]. This newest cross species influeza is called H6N1 bird flu[1,2]. Genetic mutation is believed to be the cause of cross species infection and the G228S substitution of haemagglutinin is proposed for increasing the mutant affinity for the human α2-6 linked sialic acid receptor[3]. This mechanism is b...

2008
F. M. DAVENPORT BRIAN R. MURPHY SUSAN B. SPRING DOUGLAS D. RICHMAN ROBERT M. CHANOCK

Temperature-sensitive (ts) recombinants of influenza A virus were evaluated for use in a live virus vaccine. Evidence from several sources suggested that the ts lesions were responsible for attenuation of these mutants. Specification of attenuation by defined genetic lesions which can be assayed for in the laboratory offers an advantage to the use of ts viruses for vaccination. This means that ...

Journal: :The Journal of general virology 1997
P Fournier N H Brons G A Berbers K H Wiesmüller B T Fleckenstein F Schneider G Jung C P Muller

The haemagglutinin protein (H) of measles virus (MV) binds to susceptible cells and collaborates with the fusion protein (F) to mediate fusion of the virus with the cell membrane. Binding and fusion activity of the virus can be monitored by haemagglutination and haemolysis, respectively, of monkey erythrocytes. Most monoclonal antibodies (MAbs) with haemolysis inhibiting activity (HLI+) are eit...

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