Annals of Biomedical Engineering

, Volume 39, Issue 1, pp 337–346 | Cite as

Novel Approach for Endothelializing Vascular Devices: Understanding and Exploiting Elastin–Endothelial Interactions

  • Brent D. Wilson
  • Christopher C. Gibson
  • Lise K. Sorensen
  • Margaret Yoklavich Guilhermier
  • Melissa Clinger
  • Linda L. Kelley
  • Yan-Ting E. Shiu
  • Dean Y. Li


Elastin is an essential component of arteries which provides structural integrity and instructs smooth muscle cells to adopt a quiescent state. Despite interaction of endothelial cells with elastin in the internal elastic lamina, the potential for exploiting this interaction therapeutically has not been explored in detail. In this study, we show that tropoelastin (a precursor of elastin) stimulates endothelial cell migration and adhesion more than smooth muscle cells. The biological activity of tropoelastin on endothelial cells is contained in the VGVAPG domain and in the carboxy-terminal 17-amino acids. We show that the effects of the carboxy-terminal 17 amino acids, but not those of VGVAPG, are mediated by integrin αVβ3. We demonstrate that tropoelastin covalently linked to stainless steel disks promotes adhesion of endothelial progenitor cells and endothelial cells to the metal surfaces. The adherent cells on the tropoelastin-coated metal surfaces form monolayers that can withstand and respond to arterial shear stress. Because of the unique effects of tropoelastin on endothelial and smooth muscle cells, coating intravascular devices with tropoelastin may stimulate their endothelialization, inhibit smooth muscle hyperplasia, and improve device performance.


Arteries Endothelium Receptors Stents Restenosis 

Supplementary material

10439_2010_142_MOESM1_ESM.pdf (59 kb)
Supplementary material 1 (PDF 59 kb)
10439_2010_142_MOESM2_ESM.doc (23 kb)
Supplementary material 2 (DOC 23 kb)


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Copyright information

© Biomedical Engineering Society 2010

Authors and Affiliations

  • Brent D. Wilson
    • 1
    • 2
    • 3
  • Christopher C. Gibson
    • 3
    • 4
  • Lise K. Sorensen
    • 3
  • Margaret Yoklavich Guilhermier
    • 6
  • Melissa Clinger
    • 6
  • Linda L. Kelley
    • 5
  • Yan-Ting E. Shiu
    • 2
    • 4
  • Dean Y. Li
    • 1
    • 2
    • 3
    • 7
  1. 1.Division of CardiologyUniversity of UtahSalt Lake CityUSA
  2. 2.Department of Internal MedicineUniversity of UtahSalt Lake CityUSA
  3. 3.Program in Molecular MedicineUniversity of UtahSalt Lake CityUSA
  4. 4.Department of BioengineeringUniversity of UtahSalt Lake CityUSA
  5. 5.Division of HematologyUniversity of UtahSalt Lake CityUSA
  6. 6.OrbusNeich Medical, IncorporatedFort LauderdaleUSA
  7. 7.Eccles Institute of Human GeneticsUniversity of UtahSalt Lake CityUSA

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