Effect of polyphosphoric acid pre-treatment of titanium on attachment, proliferation, and differentiation of osteoblast-like cells (MC3T3-E1)

Clinical Oral Implants Research
K MaekawaTakuo Kuboki

Abstract

To evaluate the effect of polyphosphoric acid (PPA) pre-treatment of titanium (Ti) on the initial attachment, proliferation, and differentiation of mouse osteoblast-like cells (MC3T3-E1). Adsorption of PPA to Ti was achieved by immersing Ti disks (15 mm in diameter) into 0, 1, and 10 wt% PPA and 10 wt% orthophosphoric acid (OPA) for 24 h. On each pre-treated Ti disk, 5.0 x 10(4) MC3T3-E1 cells were seeded, and 1, 3, and 5 h later cell attachment was evaluated. Cell proliferation was also determined 1, 3, and 5 days after cell seed. Cell differentiation was evaluated 5, 10, and 15 days after cell seed using osteoblast marker gene expression. Total RNA was purified from each culture and Type-I collagen, alkaline phosphatase, and osteocalcin mRNA expression levels were measured by real-time reverse transcription polymerase chain reaction. Adsorption of PPA or OPA to Ti significantly accelerated initial cell attachment at every time point (P<0.0001). As with cell attachment, cell proliferation was also accelerated on the PPA-treated Ti disks in a dose-dependent manner at every time point (P<0.0001). However, OPA-treated Ti disks did not enhance the cell proliferation. Regarding osteoblastic differentiation, PPA-treated Ti significa...Continue Reading

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Citations

Nov 8, 2012·Journal of Materials Science. Materials in Medicine·Dan LiYang Leng
Oct 24, 2012·Acta Odontologica Scandinavica·Sema S HakkiAdnan Ozturk
Mar 5, 2016·Journal of Oral Biology and Craniofacial Research·Thanaphum OsathanonPrasit Pavasant
Feb 13, 2009·Journal of Oral Rehabilitation·K MaekawaT Kuboki
May 24, 2012·Journal of Biomedical Materials Research. Part a·Mohammad Sayem MozumderHiran Perinpanayagam
Oct 9, 2012·Clinical Oral Implants Research·Marcio Vivan CardosoJoke Duyck
May 10, 2012·Biomedical Materials·Sema S HakkiFeza Korkusuz
May 11, 2011·Biomedical Materials·Mohammad Sayem MozumderHiran Perinpanayagam

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