Formation of Neoarteries with Optimal Remodeling Using Rapidly Degrading Textile Vascular Grafts

Takuma Fukunishi, Chin Siang Ong, Cecillia Lui, Isaree Pitaktong, Carissa Smoot, Jeremy Harris, Peter Gabriele, Luca Vricella, Lakshmi Santhanam, Steven Lu, Narutoshi Hibino

Research output: Contribution to journalArticle

Abstract

Tissue-engineered vascular grafts (TEVGs) have shown significant promise; however, progression toward clinical application has been limited by the use of slow degrading polymers, which cause prolonged inflammatory responses and alter remodeling. Thus, a significant need persists to develop a vascular graft that is easily implanted, withstands the mechanical stresses of arterial flow, and quickly degrades after remodeling. We utilized textile technology to braid a TEVG comprised exclusively of rapidly degrading poly(glycolic acid). Implantation in an in vivo rat abdominal aorta model demonstrated near complete degradation of the initial TEVG scaffold by 6 months and formation of a neoartery with continuous endothelium, contractile smooth muscle cells, extracellular matrix deposition, and mechanical properties comparable to native aorta. Furthermore, coating of the braided poly(glycolic acid) TEVG with poly(glycerol sebacate) led to decreased calcification in the resultant neoartery. These novel results warrant further studies and may aid in the development of the ideal degradable vascular graft.

Original languageEnglish (US)
Pages (from-to)632-641
Number of pages10
JournalTissue Engineering - Part A
Volume25
Issue number7-8
DOIs
StatePublished - Apr 1 2019

Keywords

  • neoartery
  • rapidly degrading
  • textile
  • tissue engineered vascular grafts

ASJC Scopus subject areas

  • Bioengineering
  • Biochemistry
  • Biomaterials
  • Biomedical Engineering

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  • Cite this

    Fukunishi, T., Ong, C. S., Lui, C., Pitaktong, I., Smoot, C., Harris, J., Gabriele, P., Vricella, L., Santhanam, L., Lu, S., & Hibino, N. (2019). Formation of Neoarteries with Optimal Remodeling Using Rapidly Degrading Textile Vascular Grafts. Tissue Engineering - Part A, 25(7-8), 632-641. https://doi.org/10.1089/ten.tea.2018.0167