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. 2019 Oct 7;9:14368. doi: 10.1038/s41598-019-51014-1

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Characterization of VCN-01 in PNET cell lines in vitro. (A) Expression of adenoviral receptors CAR, α_vβ₃ integrin and α_vβ₅ integrin in CNS-PNET cell lines PFSK-1 (left) and SK-PN-DW (right). Graph shows the percentage of stained cells for each receptor (Mean ± SD; n = 3). (B) PFSK-1 and SK-PN-DW (200,000 cells) infected with the GFP expressing vector AdTLRGDK at MOIs of 0, 0.1, 1, 10 or 100 PFU/cell. Graph indicates the percentage of GFP positive cells expression measured by flow cytometry at 24 h (white bars) or 48 h (black bars) after the infection (Mean ± SD; n = 3). (C) Detection of the viral proteins E1A and fiber in whole-cell lysates 48 h after being from PFSK-1 and SK-PN-DW from VCN-01 infected PFSK-1 and SK-PN-DW cultures. Grb2 was used as loading control protein. Blots from different parts of the same gel have been grouped to improve clarity of the image. (D) Viral titers in PFSK-1 and SK-PN-DW (50,000 cells/well) cultures 72 h after being infected with VCN-01 at MOIs 1 and 10. Bars represent total PFUs contained in the lysates (Mean ± SD; n = 3).