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. 2013 Jan 22;8(1):e54752. doi: 10.1371/journal.pone.0054752

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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A) CD133+ B) CD133− NSC11 or GBAM1 cells were seeded onto trans-well membranes with the specified conditions in the corresponding bottom well, invasion was determined 48 h later (CM: astrocyte-conditioned medium, FBS: fetal bovine serum, MRC9: normal human fibroblasts). Values shown represent the mean ± SE of 3–4 independent experiments. *p<0.05 versus control.