Antagonists_and agonists of igf-1 receptor

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 14/65 (2006.01) A61K 38/04 (2006.01) A61K 38/08 (2006.01) A61K 38/28 (2006.01) A61K 38/30 (2006.01) C07K 7/00 (2006.01) C07K 14/62 (2006.01) G01N 33/566 (2006.01) G01N 33/567 (2006.01)

Patent

CA 2459999

Peptide sequences capable of binding to insulin and/or insulin-like growth factor receptors with either agonist or antagonist activity and identified from various peptide libraries are disclosed. This invention also identifies at least two different binding sites, which are present on insulin and insulin- like growth factor receptors, and which selectively bind the peptides of this invention. As agonists, the peptides of this invention may be useful for development as therapeutics to supplement or replace endogenous peptide hormones. The antagonist peptides may also be developed as therapeutics.

L'invention concerne des séquences peptidiques capables de se lier à des récepteurs d'insuline et/ou de facteur de croissance analogue à l'insuline (IGF-1) possédant une activité soit agoniste soit antagoniste, et identifiées à partir de bibliothèques peptidiques variées. L'invention permet également d'identifier au moins deux sites de liaison différents présents sur les récepteurs d'insuline et/or IGF-1 et se liant sélectivement aux peptides de l'invention. En tant qu'agonistes, lesdits peptides sont utilisés pour développer un traitement destiné à compléter ou remplacer des hormones peptidiques endogènes. Les peptides antagonistes peuvent également être développés comme traitement.

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Profile ID: LFCA-PAI-O-1561999

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