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hemagglutinin/bazga
Veza se sprema u međuspremnik
Stranica 1 iz 16 rezultatima
Amino acid change 335 E to K affects the sialic-acid-binding and neuraminidase activities of Urabe AM9 mumps virus hemagglutinin-neuraminidase glycoprotein.
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A mutation coding for the amino acid change E335 to K is frequently found in the hemagglutinin-neuraminidase (HN) gene of Urabe AM9 mumps viruses isolated during post-vaccination meningitis cases. To identify if this mutation modifies the biological activities of the HN glycoprotein, two variants of
Monitoring of influenza virus hemagglutinin in process samples using weak affinity ligands and surface plasmon resonance.
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Surface plasmon resonance (SPR) was used to screen the interaction between a variety of affinity ligands and hemagglutinin (HA) from human influenza virus, with the aim of identifying low affinity ligands useful for the development of a rapid bioanalytical sensor. Three sialic acid-based structures
Plant-made virus-like particles bearing influenza hemagglutinin (HA) recapitulate early interactions of native influenza virions with human monocytes/macrophages.
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Plant-made virus-like particles (VLP) bearing influenza virus hemagglutinins (HA) are novel vaccine candidates that induce cross-reactive humoral and poly-functional T cell responses. To better understand the mechanisms that underlie this broad immunogenicity we studied early interactions of VLPs
Effects of sialic acid substitutions on recognition by Sambucus nigra agglutinin and Maackia amurensis hemagglutinin.
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Extraction and immobilization of SA-α-2,6-Gal receptors on magnetic nanoparticles to study receptor stability and interaction with Sambucus nigra lectin.
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The interaction between influenza virus hemagglutinins and host cell with terminal sialic acid linked receptors, SA-α-2,6-Gal for human strains is important to obtain insights into this infectious disease. Sambucus nigra lectin has high affinity for SA-α-2,6-Gal receptors. The goals of this work
Comparison of the lectin-like activity of pertussis toxin with two plant lectins that have differential specificities for alpha (2-6) and alpha (2-3)-linked sialic acid.
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In this report we have compared the lectin-like properties of Pertussis toxin with two plant lectins which are known to possess different specificities towards terminal Neu5Ac Gal linkages on glycoconjugates. The hemagglutinin from elderberry bark (Sambucus nigra) has a binding specificity for
Differences in sialic acid-galactose linkages in the chicken egg amnion and allantois influence human influenza virus receptor specificity and variant selection.
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Human influenza viruses are more efficiently isolated by inoculating patient samples into the amniotic rather than the allantoic cavity of embryonated chicken eggs. This type of cultivation selects virus variants with mutations around the hemagglutinin (HA) receptor binding site. To understand the
ABO blood group glycans modulate sialic acid recognition on erythrocytes.
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ABH(O) blood group polymorphisms are based on well-known intraspecies variations in structures of neutral blood cell surface glycans in humans and other primates. Whereas natural antibodies against these glycans can act as barriers to blood transfusion and transplantation, the normal functions of
Sialic acid and sialyl-lactose glyco-conjugates: design, synthesis and binding assays to lectins and swine influenza H1N1 virus.
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The terminal parts of the influenza hemagglutinin (HA) receptors α2,6- and α2,3-sialyllactoses were conjugated to an artificial carrier, named sequential oligopeptide carrier (SOC(4) ), to formulate human and avian receptor mimics, respectively. SOC(4) , formed by the tripeptide unit Lys-Aib-Gly,
Tissue distribution of sialic acid-linked influenza virus receptors in beagle dogs.
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Reports of influenza A virus infections in dogs has received considerable attention from veterinarians, virologists, and epidemiologists. Interaction between influenza viral hemagglutinin and cell oligosaccharides containing sialic acid residues results in infection. Sialic acids have an
Differences between influenza virus receptors on target cells of duck and chicken and receptor specificity of the 1997 H5N1 chicken and human influenza viruses from Hong Kong.
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To study whether influenza virus receptors in chickens differ from those in other species, we compared the binding of lectins and influenza viruses with known receptor specificity to cell membranes and gangliosides from epithelial tissues of ducks, chickens, and African green monkeys. We found that
Molecular characterization of pig alpha2,3-Gal-beta1,3-GalNAc-alpha2,6-sialyltransferase (pST6GalNAc IV) gene specific for Neu5Acalpha2-3Galbeta1-3GalNAc trisaccharide structure.
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Sialic acids of glycoconjugates play crucial roles in various biological processes, such as cell-cell communication and cell-substrate interaction. A sisalyltransferase, ST6GalNAc IV (Neu5Ac-alpha2,3-Gal-beta1,3-GalNAc-alpha2,6-sialyltransferase), catalyzes the formation of alpha2-6-linkages onto
Three New Pierce's Disease Pathogenicity Effectors Identified Using Xylella fastidiosa Biocontrol Strain EB92-1.
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Xylella fastidiosa (X. fastidiosa) infects a wide range of plant hosts and causes economically serious diseases, including Pierce's Disease (PD) of grapevines. X. fastidiosa biocontrol strain EB92-1 was isolated from elderberry and is infectious and persistent in grapevines but causes only very
Molecular design of spacer-N-linked sialoglycopolypeptide as polymeric inhibitors against influenza virus infection.
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A series of spacer-N-linked glycopolymers carrying long/short α2,3/6 sialylated glycan were designed as polymeric inhibitors of influenza virus. Lactose (Lac) and N-acetyllactosamine (LN: Galβ1,4GlcNAc) were first converted to spacer-N-linked disaccharide glycosides, followed by consecutive
Overexpression of the alpha-2,6-sialyltransferase in MDCK cells increases influenza virus sensitivity to neuraminidase inhibitors.
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No reliable cell culture assay is currently available for monitoring human influenza virus sensitivity to neuraminidase inhibitors (NAI). This can be explained by the observation that because of a low concentration of sialyl-alpha2,6-galactose (Sia[alpha2,6]Gal)-containing virus receptors in
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