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. 2019 Jan 2;71(1):107–116. doi: 10.1007/s10616-018-0270-0

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© The Author(s) 2019

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. 3 — Biochemical characteristics of TIEC1s and pTIECs. a Immunofluorescence staining of TIEC1s and pTIECs. The nucleus was stained with DAPI (blue) and cytokeratin 18 was stained with anti-cytokeratin 18 antibodies (red). b Detection of proteins by western blot. Cytokeratin 18 and occludin were both expressed in TIEC1s and pTIECs