Immobilization of SA-α-2,6-Gal Receptors Related to Influenza on Magnetic Nanoparticles Coated with Chitosan

Autor: Anna Ilyina, Karla M. Gregorio-Jáuregui, Jorge E. Rivera-Salinas, Hened Saade, José L. Martinez, Raúl G. López, Susana A. Carrizales-Alvarez
Rok vydání: 2014
Předmět:
Zdroj: Advanced Materials Research. 976:19-24
ISSN: 1662-8985
DOI: 10.4028/www.scientific.net/amr.976.19
Popis: Influenza infection is carried out due to the virus hemagglutinin recognizes host cell surface with terminal sialic acid (SA) linked receptors SA-α-2,6-Gal for human strain.Sambucus nigralectin has structural similarity to the viral hemagglutinin. Magnetic nanoparticles (MNP) coated with chitosan can be used as support for the study of these receptors. The goal of this study was to extract the SA-α-2,6-Gal receptors of porcine trachea for their immobilization on magnetic nanoparticles coated with chitosan. The extraction was carried out based on affinity ofSambucus nigralectin to SA-α-2,6-Gal receptors. It was possible to immobilize up to 76% of SA-α-2,6-Gal receptors, with a molecular weight at 88.4 kDa for more representative protein. The presence of the receptors was confirmed trough FTIR analysis. Magnetic functionalized nanoparticles showed superparamagnetic properties and an average diameter around 10 nm. These results may be used to evaluate the interaction between functionalized nanoparticles and specific lectin or hemagglutinin of influenza virus as model of study virus-receptor.
Databáze: OpenAIRE