alexa Endothelial cell adhesion to the fibronectin CS5 domain in artificial extracellular matrix proteins.
Molecular Biology

Molecular Biology

Journal of Cell Science & Therapy

Author(s): Heilshorn SC, DiZio KA, Welsh ER, Tirrell DA

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Abstract This study examines the spreading and adhesion of human umbilical vein endothelial cells (HUVEC) on artificial extracellular matrix (aECM) proteins containing sequences derived from elastin and fibronectin. Three aECM variants were studied: aECM 1 contains lysine residues periodically spaced within the protein sequence and three repeats of the CS5 domain of fibronectin, aECM 2 contains periodically spaced lysines and three repeats of a scrambled CS5 sequence, and aECM 3 contains lysines at the protein termini and five CS5 repeats. Comparative cell binding and peptide inhibition assays confirm that the tetrapeptide sequence REDV is responsible for HUVEC adhesion to aECM proteins that contain the CS5 domain. Furthermore, more than 60\% of adherent HUVEC were retained on aECM 1 after exposure to physiologically relevant shear stresses ( This article was published in Biomaterials and referenced in Journal of Cell Science & Therapy

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