Abstract
The study investigated the effects of low-level laser radiation and epidermal growth factor (EGF) on adult adipose-derived stem cells (ADSCs) isolated from human adipose tissue. Isolated cells were cultured to semi-confluence, and the monolayers of ADSCs were exposed to low-level laser at 5 J/cm2 using 636 nm diode laser. Cell viability and proliferation were monitored using adenosine triphosphate (ATP) luminescence and optical density at 0 h, 24 h and 48 h after irradiation. Application of low-level laser irradiation at 5 J/cm2 on human ADSCs cultured with EGF increased the viability and proliferation of these cells. The results indicate that low-level laser irradiation in combination with EGF enhances the proliferation and maintenance of ADSCs in vitro.
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Acknowledgements
This project was supported by the National Laser Centre of South Africa, National Research Foundation of South Africa, Council for Scientific and Industrial Research of South Africa, and the University of Johannesburg. We would like to acknowledge Prof. Alan Widgerow, who supplied us with the donated lipo-aspirate and adipose tissue from consenting adults.
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Mvula, B., Moore, T.J. & Abrahamse, H. Effect of low-level laser irradiation and epidermal growth factor on adult human adipose-derived stem cells. Lasers Med Sci 25, 33–39 (2010). https://doi.org/10.1007/s10103-008-0636-1
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DOI: https://doi.org/10.1007/s10103-008-0636-1