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. 2017 Aug 3;7:7172. doi: 10.1038/s41598-017-07482-4

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Uptake and localization of peptides in Ewing’s sarcoma cells. (A) FACS analysis of EWS502 cells treated with (grey) or without (black) FITC labelled peptides. Percentage above the gate represents FITC positive population. (B) FITC Fluorescence intensity of A673 cell lysates, either untreated or treated with FITC labelled peptides. (C) Fluorescence images of A673 cells either untreated or treated with FITC labelled peptides, captured at 40× magnification. (D) Fluorescence images of EWS 502 cells, untreated or treated with FITC labelled peptides.