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Purmorphamine Increased Adhesion, Proliferation and Expression of Osteoblast Phenotype Markers of Human Dental Pulp Stem Cells Cultured on Beta-Tricalcium Phosphate

Purmorphamine Increased Adhesion, Proliferation and Expression of Osteoblast Phenotype Markers of Human Dental Pulp Stem Cells Cultured on Beta-Tricalcium Phosphate

Maryam Rezia Rad, Moein Khojaste, Mehrnoosh Hasan Shahriari, Saeed Asgary, Arash Khojasteh

Biomed Pharmacother. 2016 Aug;82:432-8.

PMID: 27470382

Abstract:

Objectives:
Growth factors play a significant role in cell proliferation and differentiation during different stages of the bone repair. However, several limitations have been brought researchers attention to an osteoinductive small molecule including Purmorphamine. In this study, we aimed to evaluate the effect of Purmorphamine on adhesion, proliferation and differentiation of human dental pulp stem cells (hDPSCs) seaded on beta-tricalcium phosphate (β-TCP) granules.
Methods:
hDPSCs were established from extracted wisdom teeth of healthy volenteers. Cells at passage 3 were seeded on β-TCP in the presence or absence of Purmorphamine. Cell adhesion and proliferation were assessed using scanning electeron microscopy (SEM) and DNA counting assay, respectively, after 1, 3 and 5days. Then, hDPSCs seeded on β-TCP were subjected to osteogenic medium with or without Purmorphamine. After 7 and 14days osteogenic diffrentiation capability of hDPSCs were determined using real-time RT-PCR and alkaline phosphatase (ALP) activity assay.
Results:
The significant increase in amount of DNA was observed at day 3 and 5 in the presence of Purmorphamine. SEM imaging also was confirmed the DNA counting assay; in all given time points, hDPSC attachment and growth was significantly higher in the presence of Purmorphamine. ALP activity was increased by Purmorphamine at both 7 and 14days of induction. Purmorphamine showed to effect on osteopontin expression at earlier stage of osteogenic differentiation, whereas for osteocalcin expression, this effect was more evident at later stage of differentiation.
Conclusion:
Purmorphamine had a promotive effect on adhesion, proliferation and osteogenic differentiation of hDPSCs cultured on β-TCP. The outcome of the current study would help in development of in vitro culture conditions for better osteogenic differentiation of hDPSCs prior to transplantation.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP483367108-A	Purmorphamine		483367-10-8	Price

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