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. 2018 Oct 12;18:976. doi: 10.1186/s12885-018-4850-3

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© The Author(s). 2018

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. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — FN expression and secretion in the ESCC cell lines (Eca-109, TE-1) and MSCs. Immunofluorescence (a) (× 200) and RT-PCR (b) showed that FN protein and mRNA was expressed at low levels in ESCC cells and high levels of FN protein and mRNA in MSCs. c ELISAs showed high concentrations of FN in MSC-condition medium, demonstrating secretion of high levels of FN by MSCs. Scale bar = 100 μm