Enhanced osteoblast differentiation on scaffolds coated with TiO2 compared to SiO2 and CaP coatings.

Abstract:

:The aim was to compare the protein release from normal human osteoblasts (NHO) cultured on scaffolds with similar morphology but different coatings. Different ceramic coatings; TiO(2), SiO(2) and calcium phosphate (CaP); Ca(9)HPO(4)(PO(4))(5)OH, were applied to porous TiO(2) scaffolds prepared by polymer sponge replication. NHO were cultured on scaffolds in triplicates. The concentration of cytokines and Ca(2+), and alkaline phosphatase (ALP) activity in the cell media was quantified. The secretion of osteopontin, osteoprotegerin, vascular endothelial growth factor and interleukin-6 was higher from NHO on TiO(2) compared to SiO(2) and CaP. The secretion from cells on the three scaffolds was, however, either similar or lower than the control cells cultured on plastic. The Ca(2+) concentration was higher in cell media on CaP the first week, and no difference in ALP activity was observed. TiO(2) coating induced a higher secretion of factors indicating enhanced osteoblast differentiation as compared to CaP and SiO(2).

journal_name

Biointerphases

journal_title

Biointerphases

authors

Verket A,Tiainen H,Haugen HJ,Lyngstadaas SP,Nilsen O,Reseland JE

doi

10.1007/s13758-012-0036-8

subject

Has Abstract

pub_date

2012-12-01 00:00:00

pages

36

issue

1-4

eissn

1934-8630

issn

1559-4106

journal_volume

7

pub_type

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