A novel cyclic RGD-containing peptide polymer improves serum-free adhesion of adipose tissue-derived mesenchymal stem cells to bone implant surfaces

P. Tátrai, Bernadett Sági, Anna Szigeti, Áron Szepesi, Ildikó Szabó, Sz. Bősze, Zoltán Kristóf, Károly Markó, G. Szakács, István Urbán, G. Mező, F. Uher, K. Német

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Seeding of bone implants with mesenchymal stem cells (MSCs) may promote osseointegration and bone regeneration. However, implant material surfaces, such as titanium or bovine bone mineral, fail to support rapid and efficient attachment of MSCs, especially under serum-free conditions that may be desirable when human applications or tightly controlled experiments are envisioned. Here we demonstrate that a branched poly[Lys(Seri-DL-Alam)] polymer functionalized with cyclic arginyl-glycyl-aspartate, when immobilized by simple adsorption to tissue culture plastic, surgical titanium alloy (Ti6Al4V), or Bio-Oss® bovine bone substitute, significantly accelerates serum-free adhesion and enhances seeding efficiency of human adipose tissue-derived MSCs. Moreover, when exposed to serum-containing osteogenic medium, MSCs survived and differentiated on the peptide-coated scaffolds. In summary, the presented novel polypeptide conjugate can be conveniently used for coating various surfaces, and may find applications whenever quick and efficient seeding of MSCs is required to various scaffolds in the absence of serum.

Original languageEnglish
Pages (from-to)479-488
Number of pages10
JournalJournal of Materials Science: Materials in Electronics
Volume24
Issue number2
DOIs
Publication statusPublished - Feb 2013

Fingerprint

Stem cells
Mesenchymal Stromal Cells
Peptides
Adipose Tissue
Polymers
Bone
Adhesion
Tissue
Bone and Bones
Serum
Titanium
Scaffolds
Bone Substitutes
Osseointegration
Tissue culture
Bone Regeneration
Polypeptides
Scaffolds (biology)
Titanium alloys
Aspartic Acid

ASJC Scopus subject areas

  • Biophysics
  • Biomaterials
  • Bioengineering
  • Biomedical Engineering

Cite this

A novel cyclic RGD-containing peptide polymer improves serum-free adhesion of adipose tissue-derived mesenchymal stem cells to bone implant surfaces. / Tátrai, P.; Sági, Bernadett; Szigeti, Anna; Szepesi, Áron; Szabó, Ildikó; Bősze, Sz.; Kristóf, Zoltán; Markó, Károly; Szakács, G.; Urbán, István; Mező, G.; Uher, F.; Német, K.

In: Journal of Materials Science: Materials in Electronics, Vol. 24, No. 2, 02.2013, p. 479-488.

Research output: Contribution to journalArticle

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AU - Szabó, Ildikó

AU - Bősze, Sz.

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