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. 2016 May 12;11:247. doi: 10.1186/s11671-016-1463-0

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© Huang et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 7 — Wound healing assay of MDA-MB-231 cells transfected with PEI-GO:siCXCR4 complexes. MDA-MB-231 cells were allowed to migrate over a cell-free gap (bordered by the pair of black lines) after treated with PEI-GO:siCXCR4 complexes of mass ratios 0.3:1 (d), 0.5:1 (e), and 1:1 (f) for 48 h. The results were compared with untreated cells (a) and those treated with Lipofectamine 2000:siCXCR4 (b) or PEI-GO:siMOCK (c). Migrated cells per field from three independent experiments were quantitated as shown in the bar graph (g)