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  • Title: Platelet-rich plasma induces mRNA expression of VEGF and PDGF in rat bone marrow stromal cell differentiation.
    Author: Hu Z, Peel SA, Ho SK, Sándor GK, Clokie CM.
    Journal: Oral Surg Oral Med Oral Pathol Oral Radiol Endod; 2009 Jan; 107(1):43-8. PubMed ID: 18755609.
    Abstract:
    OBJECTIVE: To investigate the potentially useful of platelet-rich plasma (PRP) on mRNA expression of angiogenesis. STUDY DESIGN: Adjunct assay and reverse-transcription polymerase chain reaction (RT-PCR) analysis of type I collagen, vascular endothelial growth factor (VEGF), and platelet-derived growth factor (PDGF) in rat bone marrow stromal cells differentiation in 14 days' culture. RESULTS: The PRP significantly elevated alkaline phosphatase activity after day 5 (P < .05), and DNA and protein content increased at culture days 1, 3, and 5 (P < .01) with PRP compared with control. The RT-PCR demonstrated that type I collagen was expressed in all substrates and remained high with PRP during 14 days of culture, and that mRNA expression of VEGF and PDGF were higher over time. CONCLUSIONS: This study indicates a potential contribution of PRP as possibly starting the process of angiogenesis, recruiting the endothelial cells which line blood vessels, and beginning the initiation of bone regeneration.
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