Platelet-Rich Plasma Induces Mixed Osteogenic/Osteoclastogenic Phenotype in Osteosarcoma SaOS-2 Cells: Role of TGF-Beta

ISSN: 1873-4316 (Online)
ISSN: 1389-2010 (Print)

Volume 18, 15 Issues, 2017

Download PDF Flyer

Current Pharmaceutical Biotechnology

This journal supports open access

Aims & ScopeAbstracted/Indexed in

Ranking and Category:
  • 152nd of 255 in Pharmacology & Pharmacy
  • 213th of 290 in Biochemistry & Molecular Biology

Submit Abstracts Online Submit Manuscripts Online

Zeno Foldes-Papp
Urban Clinical Center Soltau
University teaching hospital of Hamburg

View Full Editorial Board

Subscribe Purchase Articles Order Reprints

Current: 1.802
5 - Year: 2.327

Platelet-Rich Plasma Induces Mixed Osteogenic/Osteoclastogenic Phenotype in Osteosarcoma SaOS-2 Cells: Role of TGF-Beta

Current Pharmaceutical Biotechnology, 15(2): 120-126.

Author(s): Simona Martinotti, Laura Mazzucco, Valeria Balbo, Mauro Patrone, Marco Mozzati, Elia Ranzato and Bruno Burlando.

Affiliation: Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale "Amedeo Avogadro", Viale T. Michel 11, 15121 Alessandria, Italy.


Platelet-rich plasma (PRP) is widely used to promote tissue repair and accelerate osteogenesis, but there is no agreement about its mechanism of action. We characterized the modulatory effect of PRP on the in vitro osteoblast model SaOS-2, by using cell motility/chemoattraction and osteogenesis/mineralization assays, and a series of osteogenic/ osteoclastogenic genomic markers. Scratch wound assay showed that PRP stimulates cell motility, while transwell assay revealed a strong chemoattraction. Alkaline phosphatase (ALP) and alizarin red-S assays showed that PRP induces slight, but significant, stimulations of ALP activity and mineralization. The TGF-β inhibitor SB431542 reversed these effects, showing a main role for TGF-β1 released by PRP. Analyses of gene expression by qRT-PCR, showed the upregulation of osteocalcin, osteopontin, osteoprotegerin, receptor activator of NFκB (RANK), and runt-related transcription factor 2 (RUNX2) genes, with a total reversion by SB431542 for osteoprotegerin and RANK, and a partial reversion for ostecalcin, osteopontin, and RUNX2. The use of PCR array technique revealed the upregulation of the cathepsin K gene. These data show that PRP induces the development of mixed osteogenic/osteoclastogenic traits in the SaOS-2 model. Such a behavior may favour in vivo bone resorption and reconstitution at post-surgery or post-traumatic sites.


Bone resorption, osteogenesis, PRP, qPCR, SaOS-2, TGF-β1.

Purchase Online Order Reprints Order Eprints Rights and Permissions

Article Details

Volume: 15
Issue Number: 2
First Page: 120
Last Page: 126
Page Count: 7
DOI: 10.2174/1389201015666140604121407
Price: $58
Pharmaceutical Microbiology 2017

Related Journals

Webmaster Contact: Copyright © 2016 Bentham Science