Focused Screening of ECM-Selective Adhesion Peptides on Cellulose-Bound Peptide Microarrays
AbstractThe coating of surfaces with bio-functional proteins is a promising strategy for the creation of highly biocompatible medical implants. Bio-functional proteins from the extracellular matrix (ECM) provide effective surface functions for controlling cellular behavior. We have previously screened bio-functional tripeptides for feasibility of mass production with the aim of identifying those that are medically useful, such as cell-selective peptides. In this work, we focused on the screening of tripeptides that selectively accumulate collagen type IV (Col IV), an ECM protein that accelerates the re-endothelialization of medical implants. A SPOT peptide microarray was selected for screening owing to its unique cellulose membrane platform, which can mimic fibrous scaffolds used in regenerative medicine. However, since the library size on the SPOT microarray was limited, physicochemical clustering was used to provide broader variation than that of random peptide selection. Using the custom focused microarray of 500 selected peptides, we assayed the relative binding rates of tripeptides to Col IV, collagen type I (Col I), and albumin. We discovered a cluster of Col IV-selective adhesion peptides that exhibit bio-safety with endothelial cells. The results from this study can be used to improve the screening of regeneration-enhancing peptides. View Full-Text
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Kanie, K.; Kondo, Y.; Owaki, J.; Ikeda, Y.; Narita, Y.; Kato, R.; Honda, H. Focused Screening of ECM-Selective Adhesion Peptides on Cellulose-Bound Peptide Microarrays. Bioengineering 2016, 3, 31.
Kanie K, Kondo Y, Owaki J, Ikeda Y, Narita Y, Kato R, Honda H. Focused Screening of ECM-Selective Adhesion Peptides on Cellulose-Bound Peptide Microarrays. Bioengineering. 2016; 3(4):31.Chicago/Turabian Style
Kanie, Kei; Kondo, Yuto; Owaki, Junki; Ikeda, Yurika; Narita, Yuji; Kato, Ryuji; Honda, Hiroyuki. 2016. "Focused Screening of ECM-Selective Adhesion Peptides on Cellulose-Bound Peptide Microarrays." Bioengineering 3, no. 4: 31.
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