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Collagen-like cell-penetrating peptides

Yamazaki CM, Nakase I, Endo H, Kishimoto S, Mashiyama Y, Masuda R, Futaki S, Koide T (2013) Collagen-like cell-penetrating peptides. Angew Chem Int Ed Engl 52(21):5497-5500. doi: 10.1002/anie.201301266

Objective: To overcome drawbacks of cell-penetrating peptide (CPP)-conjugated forms, namely instability against attack by proteases, and binding to serum proteins that lowers the availability of the CPP to target cells.

Summary: Complexes were prepared by combining biotinylated CPPs with Streptavidin-ZAP to evaluate the impact of utilizing a rigid collagen-like triple-helical scaffold to improve CPP performance. There was low adsorption onto serum proteins and triple-helical CPPs are extremely stable in animal serum. Such unique properties are expected to be advantageous to long-term applications in cell culture systems and to in vivo drug delivery.

Usage: Biotinylated CPPs were interacted with Streptavidin-ZAP (SA-ZAP); IT-27: Streptavidin-ZAP

Related Products: Streptavidin-ZAP (Cat. #IT-27)

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