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. 2017 Aug 16;8:66. doi: 10.1186/s40104-017-0186-0

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© The Author(s). 2017

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. 1 — Effects of CA on intestinal barrier function in IPEC-1 cells. Cells were cultured for 24 h in the absence or presence of 12.5- or 25 μmol/L CA. a TEER and b paracellular permeability were then determined. Values are expressed as means ± SEM, n = 6. Means at a time point without a common letter differ, P < 0.05. CA, Cinnamicaldehye; IPEC-1, intestinal porcine epithelial cell line 1; TEER, trans-epithelial electrical resistance