Recombinant proteins of a pakistani strain of hepatitis E and their use in diagnostic methods and vaccines

   
   

A strain of hepatitis E virus from Pakistan (SAR-55) implicated in an epidemic of enterically transmitted non-A, non-B hepatitis, now called hepatitis E, is disclosed. The invention relates to the expression of the whole structural region of SAR-55, designated open reading frame 2 (ORF-2), in a eukaryotic expression system. The expressed protein is capable of forming HEV virus-like particles which can serve as an antigen in diagnostic immunoassays and as an immunogen or vaccine to protect against infection by hepatitis E.

Una tensión del virus de la hepatitis E de Paquistán (SAR-55) implicada en una epidemia del non-A enterically transmitido, hepatitis del non-B, ahora llamó la hepatitis E, se divulga. La invención se relaciona con la expresión de la región estructural del conjunto de SAR-55, señalada el marco abierto 2 (ORF-2) de la lectura, en un sistema eukaryotic de la expresión. La proteína expresada es capaz de formar HEV virus-como las partículas que pueden servir como antígeno en immunoassays de diagnóstico y como un immunogen o vacuna a proteger contra la infección por la hepatitis E.

 
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