Biologically active peptides from functional domains of...

C - Chemistry – Metallurgy – 07 – K

Patent

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C07K 14/47 (2006.01) C07K 7/06 (2006.01) C07K 7/08 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2181150

The present invention provides peptides having an amino acid sequence that is the amino acid sequence of a human bactericidal/permeability-increasing protein (BPI) functional domain or a subsequence thereof, and variants of the sequence or subsequence thereof, having at least one of the BPI biological activities, such as heparin binding, heparin neutralization, LPS binding, LPS neutralization or bactericidal activity. The invention provides peptides and pharmaceutical compositions of such peptides for a variety of therapeutic uses.

La présente invention concerne des peptides présentant une séquence d'acides aminés qui est la séquence d'acides aminés d'un domaine fonctionnel de la protéine humaine bactéricide/augmentant la perméabilité (BPI), ou une sous-séquence de ce domaine, et des variantes de sa séquence ou de sa sous-séquence, présentant au moins une des propriétés biologiques de la protéine (BPI), telles que la fixation de l'héparine, la neutralisation de l'héparine, la fixation des lipopolysaccharides, la neutralisation des lipopolysaccharides ou une activité bactéricide. En plus des peptides susmentionnés, l'invention concerne des compositions pharmaceutiques de tels peptides, destinées à une variété d'utilisations thérapeutiques.

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