Abstract
The medicinal plant Aloe arborescens Miller has chemical compounds that could stimulate the activity of bone-forming cells, but no studies have been found in this regard. We evaluated the effects of different dilutions of aqueous (1/10; 1/100; 1/1000) or ethanolic (1/1000; 1/2000; 1/5000) extracts of parenchyma from A. arborescens on the viability, proliferation, migration and osteogenic differentiation of primary cell cultures from neonatal rat calvaria. In none of the conditions studied did cell viability decrease (p ≤ 0.01). Furthermore, the 1/5000 ethanolic extract dilution showed a positive effect on cell viability at 48 h and 72 h and the latter was correlated with a 27 % (p ≤ 0.01) increase in cell proliferation. Ethanolic extract significantly stimulated cell migration and cultured mineralization with respect to control, showing the maximal effect at a dilution 1/5000. Together, the results show that the A. arborescens extracts do not have toxic effects. In addition, ethanolic extract stimulates proliferation, migration and osteogenic differentiation of rat calvarial cells, suggesting a potential bone anabolic action.
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