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. 2012 Feb 6;7(2):e31467. doi: 10.1371/journal.pone.0031467

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Salvatori et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Q-PCR showing changes in mRNA levels for lipocalin-2 and E-cadherin in DU145 cells, CSC contained in control spheroids, and CSC grown for 20 days in FBS-medium or CM from DU145 cells. Data represent mean ± SEM from 3 individual experiments. Asterisks indicate a significant difference (*, p<0.05).