Adhesion and growth of CaCo2 cells on surface-modified PEEK substrata.
(2000) Journal of Biomaterials Science. Polymer Edition — Vol. 11, n° 7, p. 767-786 (2000)
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- Abstract
- A series of surface-functionalized poly(ether ether ketone) (PEEK) films has been prepared by selective wet-chemistry; they are hydroxylated polymer (PEEK-OH) obtained by reduction, aminated polymer (PEEK-[]-NH2) prepared by coupling a diisocyanate reagent to PEEK-OH (PEEK-[]-NCO) followed by hydrolysis, and carboxylated and aminocarboxylated polymers (PEEK-[]-GABA and PEEK-Lysine) resulting from the coupling of aminoacids to PEEK-[]-NCO. The aminated and carboxylated substrata promoted the adhesion and growth of CaCo2 cells in the presence of serum. Fibronectin (FN), an extra-cellular matrix protein, has been covalently fixed and/or adsorbed on various PEEK substrata, in the presence or not of a polymeric surfactant (Pluronic F68). The performances of the FN-grafted substrata (PEEK-[]-FN(1) and PEEK-[]-FN(2)) were significantly higher than those of reference substrata simply coated with FN (PEEK-OH(+FN)(1) and (2), PEEK-[]-NH2(+FN)(1) and (2)), considering the adhesion and spreading of CaCo2 cells in the absence of serum. Moreover, the stability of the adherent cells on the FN-adsorbed substrata dramatically depended on the experimental conditions applied during the PEEK coating with FN.
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Noiset, O., Schneider, Y.-J., & Marchand-Brynaert, J. (2000). Adhesion and growth of CaCo2 cells on surface-modified PEEK substrata. Journal of Biomaterials Science. Polymer Edition, 11(7), 767-786. https://doi.org/10.1163/156856200744002 (Original work published 2000)