Curcumin as a double-edged sword for stem cells: dose, time and cell type-specific responses to curcumin

Attari, Fatemeh and (Zahmatkes, Maryam and Alighol, Hadi)[ and Mehr,, Shahram Ejtemaei and Sharifzadeh,, Mohammad and (Gorji,, Ali)[ and Mokhtari, Tahmineh and Khaksarian, , Mojtaba) and Hassanzadeh, Gholamreza) (2015) Curcumin as a double-edged sword for stem cells: dose, time and cell type-specific responses to curcumin. DARU-JOURNAL OF PHARMACEUTICAL SCIENCES, 23 (33). pp. 456-457. ISSN 1560-8115

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Abstract Background: The beneficial effects of curcumin which includes its antioxidant, anti-inflammatory and cancer chemo-preventive properties have been identified. Little information is available regarding the optimal dose and treatment periods of curcumin on the proliferation rate of different sources of stem cells. Methods: In this study, the effect of various concentrations of curcumin on the survival and proliferation of two types of outstanding stem cells which includes bone marrow stem cells (BMSCs) and adult rat neural stem/progenitor cells (NS/PCs) at different time points was investigated. BMSCs were isolated from bilateral femora and tibias of adult Wistar rats. NS/PCs were obtained from subventricular zone of adult Wistar rat brain. The curcumin (0.1, 0.5, 1, 5 and 10 mu M/L) was added into a culture medium for 48 or 72 h. Fluorescent density of 5-bromo-2'-deoxyuridine (Brdu)-positive cells was considered as proliferation index. In addition, cell viability was assessed by MTT assay. Results: Treatment of BMSCs with curcumin after 48 h, increased cell survival and proliferation in a dose-dependent manner. However, it had no effect on NSCs proliferation except a toxic effect in the concentration of 10 mu M of curcumin. After a 72 h treatment period, BMSCs and NS/PCs survived and proliferated with low doses of curcumin. However, high doses of curcumin administered for 72 h showed toxic effects on both stem cells. Conclusions: These findings suggest that curcumin survival and proliferative effects depend on its concentration, treatment period and the type of stem cells. Appropriate application of these results may be helpful in the outcome of combination therapy of stem cells and curcumin.

Item Type: Article
Subjects: C Auxiliary Sciences of History > CC Archaeology
Depositing User: samira sepahvandy
Date Deposited: 23 Oct 2017 12:04
Last Modified: 23 Oct 2017 12:04

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