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Effects of Osthole on Differentiation of Neural Stem Cells in vitro / 医药导报
Herald of Medicine ; (12): 856-860, 2015.
Article in Chinese | WPRIM | ID: wpr-467299
ABSTRACT
Objective To investigate the effects of osthole on neural stem cells ( NSCs) differentiation and explore the potential mechanism. Methods Brain-derived NSCs from newborn mice were isolated and cultured in vitro and determined by immunofluorescence. The P5 generations of NSCs were placed in culture solution with osthole at concentrations of (0,10,50, 100 μmol·L-1 ) . The neuron, astrocyte and oligodendroglia cell differentiation were determined by immunofluorescence. The mRNA expression of Notch 1 and its target genes Mash 1 and Neurogenin 2 were assessed by RT-PCR. Results The neurosphere displayed Nestin and Sox 2-postive by immunofluorescence, suggesting that the cultured cells were NSCs. Osthole promoted NSCs differentiating into more neuron(P<0. 01) and oligodendrocyte(P<0. 05), but not astrocyte. Meanwhile, osthole significantly reduced the mRNA expression of Notch 1(P<0. 01) and increased Ngn 2(P<0. 01)at the dose of 100 μmol·L-1. Conclusion Osthole enhances NSCs differentiating into more neuron and oligodendrocyte via probablly inhibiting Notch signal pathway.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Herald of Medicine Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Herald of Medicine Year: 2015 Type: Article