Elastin peptides prepared from piscine and mammalian elastic tissues inhibit collagen‐induced platelet aggregation and stimulate migration and proliferation of human skin fibroblasts

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<jats:title>Abstract</jats:title><jats:p>We obtained pure elastin peptides from bovine ligamentum nuchae, porcine aorta, and bonito bulbus arteriosus. The inhibitory activity of these elastin peptides on platelet aggregation induced by collagen and the migratory and proliferative responsivenesses of human skin fibroblasts to these elastin peptides were examined. All of bonito, bovine, and porcine elastin peptides found to inhibit platelet aggregation, but bonito elastin peptides showed a higher inhibitory activity than bovine and porcine elastin peptides did. All elastin peptides enhanced the proliferation of fibroblasts 3.5‐ to 4.5‐fold at a concentration of 10 µg/ml. Bovine and porcine elastin peptides stimulated the migration of fibroblasts, with the optimal response occurring at 10<jats:sup>−1</jats:sup>µg/ml, while maximal response was at 10<jats:sup>2</jats:sup>µg/ml for bonito elastin peptides. Furthermore, pretreatment of fibroblasts by lactose depressed their ability to migrate in response to all elastin peptides, suggesting the involvement of elastin receptor in cell response. These results suggest that both mammalian and piscine elastin peptides can be applied as useful biomaterials in which elasticity, antithrombotic property, and the enhancement of cell migration and proliferation are required. Copyright © 2010 European Peptide Society and John Wiley & Sons, Ltd.</jats:p>

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