ICAM-1/LFA-1 short-chain peptides and method of using same

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

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530350, 530324, 530325, 530326, 530300, 514 12, 514 13, A61K 3802, C07K 1400, C07K 704

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058438858

ABSTRACT:
Short-chain peptides replicating fragments of functional domains derived from LFA-1 and ICAM-1 parent protein sequences serve to modulate the ICAM/LFA binding interaction. In one aspect of the invention, this modulation serves to block interprotein binding reactivity, as a peptide of the invention binds to a target protein in a manner that precludes the normal binding reaction between ICAM-1 and LFA-1. In another aspect of the invention, this modulation enhances the reactivity of a first peptide, as a second peptide induces a conformational change in the target protein from a first conformation to a second, more reactive, conformation. The peptides are used according to a method including the steps of providing the proteins and applying them to a population of cells.

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