Virus-like particles, methods of preparation, and...

C - Chemistry – Metallurgy – 12 – N

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Details

C12N 7/01 (2006.01) A61K 35/76 (2006.01) A61K 39/21 (2006.01) A61K 39/39 (2006.01) C12N 1/00 (2006.01) G01N 33/569 (2006.01)

Patent

CA 2486282

Briefly described, virus-like particles, methods of preparing virus-like particles, immunogenic compositions that include virus-like particles, and methods of liciting an immune response using immunogenic compositions that include virus-like particles are described herein. A virus-like particle (VLP) can include a viral core protein that can self assemble into the VLP core and at least one viral surface envelope glycoprotein expressed on the surface of the VLP. The viral protein and the viral surface envelope glycoprotein are from different viruses. Another VLP can include a viral core protein that can self assemble into a VLP core; at least one viral surface envelope glycoprotein expressed on the surface of the VLP; and at least one adjuvant molecule expressed on the surface of the VLP.

L'invention concerne de manière générale des particules pseudovirales, des procédés de préparation desdites particules, des compositions immunogéniques qui comprennent lesdites particules et des procédés pour éliciter une réponse immunitaire au moyen des compositions immunogéniques de l'invention. Une particule pseudovirale (VLP) peut comprendre une protéine noyau virale qui peut s'assembler elle-même pour former un noyau de VLP et au moins une glycoprotéine de surface d'enveloppe exprimée à la surface de la VLP. La protéine virale et la glycoprotéine de surface d'enveloppe proviennent de virus différents. Une autre VLP peut comprendre une protéine d'enveloppe virale qui peut s'assembler elle-même pour former un noyau de VLP, au moins une glycoprotéine de surface d'enveloppe exprimée à la surface de la VLP et au moins une molécule adjuvante exprimée à la surface de la VLP.

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