Methods of inducing immunotolerance and compositions for use...

A - Human Necessities – 61 – K

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Details

A61K 38/00 (2006.01) A61K 31/593 (2006.01) A61K 35/54 (2006.01) A61K 38/16 (2006.01) A61K 45/00 (2006.01)

Patent

CA 2518793

The present invention provides methods of treating allergic disorders and compositions for use therein. The methods comprise administering an allergen and one or more medicaments. These medicaments are compounds that inhibit the transcription of genes involved in the initiation of innate and specific immunity, thereby promoting the development of tolerance to these allergens, through inhibition of the NF-.kappa.B and/or the MAPK/AP-1 signal transduction pathway(s). In another embodiment, the use of DNA vaccines is disclosed that incorporate a gene encoding one or more allergen sequences or fragments thereof, in combination with genes encoding proteins that inhibit the activation of the NF-.kappa.B and/or the MAPK/AP-1 pathway or in combination with small interfering RNA sequences or anti-sense sequences that inhibit the expression of NF-.kappa.B and/or AP-1 proteins.

L'invention concerne des procédés de traitement de troubles allergiques et des compositions utilisées dans ces procédés. Ces procédés consistent à administrer un allergène et un ou plusieurs médicaments. Ces médicaments sont des composés inhibant la transcription de gènes impliqués dans l'amorçage de l'immunité innée et spécifique, facilitant ainsi le développement de la tolérance de ces allergènes, à travers l'inhibition du ou des trajets de transduction de signal NF- kappa B et/ou de MAPK/AP-1. Dans un autre mode de réalisation, l'utilisation de vaccins d'ADN contenant un gène codant une ou plusieurs séquences allergènes ou fragments de celles-ci en combinaison avec des gènes codant des protéines qui inhibent l'activation du trajet NF/- kappa B et/ou de MAPK/AP-1 ou en combinaison avec des petites séquences d'ARN interférentes ou des séquences antisens inhibent l'expression des protéines NF/- kappa B et/ou de AP-1.

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