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. 2018 Jul 2;16:36. doi: 10.1186/s12964-018-0249-7

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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. 3 — Comparison of untreated KAT-4 and Capan-2 carcinoma models. a Hematoxylin and Eosin and Sirius red staining in KAT-4 and Capan-2 carcinomas (bars = 100 μm). Trichrome staining (bars = 20 μm) and immunofluorescence staining with biotinylated 3G9 antibody (green) shows that the expression of integrin α_Vβ₆ is located at the cell membrane in both KAT-4 and Capan-2 carcinomas (cell nuclei stained with DAPI, blue; bars = 50 μm). b Collagen content in untreated KAT-4 (n = 4) and Capan-2 (n = 5) carcinomas, represented by hydroxyproline mg/g wet weight. c Average growth of untreated KAT-4 (n = 8) and Capan-2 tumors (n = 7), represented in mm³ measured externally (length x width x height)