The synergistic effects of lysophosphatidic acid receptor agonists and calcitriol on MG63 osteoblast maturation at titanium and hydroxyapatite surfaces

JP Mansell, ME Barbour, CP Moore, M Nowghani, MB Pabbruwe, T Sjostrom, AW Blom

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

Successful osseointegration stems from the provision of a mechanically competent mineralised matrix at the implant site. Mature osteoblasts are the cells responsible for achieving this and a key factor for ensuring healthy bone tissue is associated with prosthetic materials will be 1 alpha,25 dihydroxy vitamin D3 (calcitriol). However it is known that calcitriol per se does not promote osteoblast maturation, rather the osteoblasts need to be in receipt of calcitriol in combination with selected growth factors in order to undergo a robust maturation response. Herein we report how agonists of the lysophosphatidic acid (LPA) receptor, LPA and (2S)-OMPT, synergistically co-operate with calcitriol to secure osteoblast maturation for cells grown upon two widely used bone biomaterials, titanium and hydroxyapatite. Efforts could now be focussed on functionalizing these materials with LPA receptor agonists to support in vivo calcitriol-induced osseointegration via heightened osteoblast maturation responses.
Translated title of the contributionThe synergistic effects of lysophosphatidic acid receptor agonists and calcitriol on MG63 osteoblast maturation at titanium and hydroxyapatite surfaces
Original languageEnglish
Pages (from-to)199 - 206
Number of pages8
JournalBiomaterials
Volume31(2)
DOIs
Publication statusPublished - Jan 2010

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