Peptides and their utility in modulation of behavior of...

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...

Reexamination Certificate

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C530S327000, C530S328000, C530S329000, C530S330000

Reexamination Certificate

active

07129052

ABSTRACT:
The present invention relates to a peptide comprising the sequence R1-X1-X2-X3-X4-R2, wherein X1is selected from the group consisting of N, Q, D and S; X2is selected from the group consisting of V, I and L; X3is selected from the group consisting of R and K; and X4is selected from the group consisting of V, I, L and F; R1is a hydrogen or a peptide of 1 to 6 amino acids, and acyl or an aryl group; and R2is a peptide of 1 to 3 amino acids, a hydroxide or an amide. The invention also relates to partial or full retro-inverso peptides comprising the above sequences. The invention also relates to peptide-substrate combination comprising a substrate suitable for cell growth and the peptide of the invention, and to a vascular graft and an artificial blood vessel comprising the peptide-substrate combination. The invention also relates to a pharmaceutical composition and a peptide conjugate comprising the peptide of the invention. The invention also relates to a method of inhibiting adhesion of a cell expressing α3β1 integrin to an cellular matrix, inhibiting α3β1-integrin-mediated cell motility, inhibiting α3β1-integrin mediated cell proliferation, promoting α3β1-integrin mediated cell proliferation and inhibiting angiogenesis utilizing the peptides of the invention.

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