Evidence-Based Complementary and Alternative Medicine / 2013 / Article / Fig 1

Research Article

Mechanisms Underlying the Antiproliferative and Prodifferentiative Effects of Psoralen on Adult Neural Stem Cells via DNA Microarray

Figure 1

Effects of Psoralen on neurosphere formation of neural stem cells in vitro. Single NSCs at a density of 500 cells/well were cultured in normal growth medium (NGM) containing DMEM/F12 supplemented with hrFGF for 7 days to form various size of neurospheres (a). The neurospheres expressed NSC marker nestin (b). Single NSCs were exposed to NGM, DMSO (0.1%), and 10, 50, 100 nM Psoralen dissolved in DMSO (0.1%), respectively. Psoralen caused a significant decrease in frequency of neurosphere formation (c). Scale bars: 100 μm. Results were expressed as mean ± S.D. of six independent experiments. * versus NGM.
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(a)
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(b)
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(c)  the number of neurospheres