A mechanism for hiv-1 entry into host cells and peptides...

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 7/08 (2006.01) A61K 38/08 (2006.01) A61K 38/10 (2006.01) A61K 38/16 (2006.01) A61P 31/18 (2006.01) C07K 7/06 (2006.01) C07K 14/16 (2006.01) C12Q 1/70 (2006.01) G01N 33/569 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2497890

This invention relates to the finding that TAT interacts with gp120 at the cell surface and enhances HIV-1 entry into host cells. This invention also discloses modulators of this interaction, particularly peptides that mimic the region of gp120 involved in this interaction. These peptides interfere with TAT-mediated enhancement of infection regardless of virus strain, and are therefore suitable for the development in general of broad-range drugs against AIDS and other infectious diseases induced by HIV-1 related pathogens, and specifically for a class of chemicals active in the reduction or abrogation of virus and infectivity spreading.

Selon cette invention, la protéine Tat interagit avec gp120 au niveau de la surface des cellules et renforce l'entrée du VIH-1 dans les cellules hôtes. Cette invention concerne des modulateurs de cette interaction et plus précisément des peptides qui imitent la région de gp120 intervenant dans cette interaction. Ces peptides gênent la progression de l'infection induite par la protéine Tat quelle que soit la souche du virus et peuvent de ce fait être utilisés d'une manière générale pour le développement de médicaments d'application générale contre le SIDA et autre maladies infectieuses induites par des pathogènes associés au VIH-1, et en particulier pour une catégorie de produits chimiques qui permettent de réduire ou d'éliminer un virus et la propagation de l'infectivité.

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