Selection and use of antiviral peptides

C - Chemistry – Metallurgy – 12 – Q

Patent

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C12Q 1/70 (2006.01) G01N 33/569 (2006.01)

Patent

CA 2165188

The present invention relates to the screening and selection of potential antiviral compounds or peptides. Potential antiviral compounds or peptides are chosen by their ability to interact and interfere with an essential function of a wild type viral protein subsequent to host infection. Potential antiviral compounds or peptides or pools thereof are screened in an in vitro reconstitution assay comprising a wild type viral protein, host cellular trans-acting factors and an approximate DNA promoter fragment. A potential antiviral agent possesses the ability to form a unique protein:protein or DNA:protein complex in comparison to interaction involving the wild type viral protein in the absence of the antiviral agent.

La présente invention se rapporte au criblage et à la sélection de peptides ou de composés antiviraux potentiels. Des peptides ou composés antiviraux potentiels sont choisis en fonction de leur aptitude à interagir et à interférer avec une fonction essentielle d'une protéine virale de phénotype sauvage suite à une infection d'un hôte. Des peptides ou des composés antiviraux potentiels ou amas de ceux-ci sont criblés au cours d'un dosage de reconstitution in vitro comprenant une protéine virale de phénotype sauvagae, des facteurs cellulaires d'hôte agissant en trans ainsi qu'un fragment promoteur d'ADN approprié. Un agent antiviral potentiel présente l'aptitude à former un complexe unique protéine:protéine ou ADN:protéine par rapport à des interactions impliquant la protéine virale de phénotype sauvage en l'absence de l'agent antiviral.

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