Probing cell-surface carbohydrate binding proteins with dual-modal glycan-conjugated nanoparticles.
J Am Chem Soc
; 137(18): 5961-8, 2015 May 13.
Article
em En
| MEDLINE
| ID: mdl-25939670
ABSTRACT
Dual-modal fluorescent magnetic glyconanoparticles have been prepared and shown to be powerful in probing lectins displayed on pathogenic and mammalian cell surfaces. Blood group H1- and Le(b)-conjugated nanoparticles were found to bind to BabA displaying Helicobacter pylori, and Le(a)- and Le(b)-modified nanoparticles are both recognized by and internalized into DC-SIGN and SIGN-R1 expressing mammalian cells via lectin-mediated endocytosis. In addition, glyconanoparticles block adhesion of H. pylori to mammalian cells, suggesting that they can serve as inhibitors of infection of host cells by this pathogen. It has been also shown that owing to their magnetic properties, glyconanoparticles are useful tools to enrich lectin expressing cells. The combined results indicate that dual-modal glyconanoparticles are biocompatible and that they can be employed in lectin-associated biological studies and biomedical applications.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Carboidratos
/
Nanopartículas de Magnetita
/
Lectinas
Limite:
Humans
Idioma:
En
Ano de publicação:
2015
Tipo de documento:
Article