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. 2015 Feb 6;10(2):e0116644. doi: 10.1371/journal.pone.0116644

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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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Fig 6 — We determined the expression of the M1 (IL1RN and ISG20), M2a (CLEC7A), M2b (TGFBI), and M2c-specific (CXCR4) genes in CD11b⁺ and CD11b^- cells isolated from human GBM (CD11b⁺ n = 13, CD11b^- n = 5), control brain (CD11b⁺ n = 5, CD11b^- n = 2) and blood monocyte samples (n = 2). Bar graphs illustrate the absolute number of transcripts normalized to 100,000 transcripts of ACTB. Analysis was done by students t test. Error bars indicate the SEM. *, p<0.05; **, p<0.01; ***, p<0.001