Journal
BIOTECHNOLOGY PROGRESS
Volume 26, Issue 3, Pages 664-670Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/btpr.389
Keywords
neural stem cell; stem cell differentiation; stem cell viability; electric field stimuli; transport enhancement; electrokinetics
Funding
- National Research Council
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Methods utilizing stem cells hold tremendous promise for tissue engineering applications; however, many issues must be worked out before these therapies can be routinely applied. Utilization of external cues for preimplantation expansion and differentiation offers a potentially viable approach to the use of stem cells in tissue engineering. The studies reported here focus on the response of murine neural stem cells encapsulated in alginate hydro gel beads to alternating current electric fields. Cell viability and differentiation was studied as a function of electric field magnitude and frequency. We applied fields of frequency (0.1-10) Hz, and found a marked peak in neural stem cell viability under oscillatory electric fields with a frequency of 1 Hz. We also found an enhanced propensity for astrocyte differentiation over neuronal differentiation in the 1 Hz cultures, as compared to the other field frequencies we studied. Published 2010 American Institute of Chemical Engineers Biotechnol. Prog., 26: 664-670, 2010
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