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. 2015 Dec 15;15:112. doi: 10.1186/s12896-015-0228-7

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© Wieczorek et al. 2015

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 — Expression of recombinant human type II procollagen. a Expression vector transformed into HT1080 cells, showing location of the COL2A1 procollagen gene, the IRES sequence and the ECFP gene. b Confocal fluorescence microscopy image of HT1080 cells stably transfected with COL2A1; the blue color results from co-expression of ECFP