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Rev. chil. infectol ; 25(supl.1): S14-S18, abr. 2008.
Article in Spanish | LILACS | ID: lil-480661

ABSTRACT

Rabies glycoprotein is the only exposed protein which is inserted in the viral lipidie envelope. This 65-67 kda protein is a N-glycosilated transmembrane protein forming trimers on the viral surface. It has been identified as the major pathogenicity determinant, playing a role in the budding, viral axonal transport during infection, apoptosis and immune evasion. It is also the major antigen responsible for the protective immune response and it is been used in commercial recombinant vaccines. Its structure, antigenicity and pathogenic role have been well studied, identifying main antigenic sites that have the responsibility for virulence, cellular receptors attachment and epitope acquisition.


La glicoproteína del virus rábico es la única proteína viral expuesta, encontrándose inserta en la envoltura lipídica. Esta molécula de 65-67 kda corresponde a una proteína trans-membrana N-glicosilada que se dispone en forma de trímeros en la superficie viral. Ha sido identificada como el mayor determinante de pato-genicidad, participando además en procesos de yemación, flujo axonal del virion durante la infección, apoptosis y evasión de la respuesta inmune. Es también el principal antígeno inductor de la respuesta inmune protectora siendo utilizado en vacunas recom-binantes comerciales. Su estructura, antigenicidad e implicancias en la patogenia han sido bien estudiadas identificándose los principales sitios antigénicos responsables de la patogenicidad, unión a receptores celulares y formación de epitopos.


Subject(s)
Animals , Humans , Antigens, Viral , Glycoproteins , Rabies virus/pathogenicity , Viral Envelope Proteins , Antigens, Viral/chemistry , Antigens, Viral/immunology , Antigens, Viral/physiology , Glycoproteins/chemistry , Glycoproteins/immunology , Glycoproteins/physiology , Protein Conformation , Rabies virus/immunology , Rabies virus/metabolism , Virulence , Viral Envelope Proteins/chemistry , Viral Envelope Proteins/immunology , Viral Envelope Proteins/physiology
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