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. 2017 May 17;12:11. doi: 10.1186/s13062-017-0182-5

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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 — Confocal section of a Madin-Darby canine kidney (MDCK) cyst grown in Matrigel. Cells form a spherical cyst in the first step of renal tubulogenesis (apical membrane and lumen: green; nucleus: blue; basolateral membrane: red; staining and related information on cyst and markers used can be obtained from [97]). Photo courtesy of Sang-Ho Kwon and Keith Mostov