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. 2018 Aug 21;6:81. doi: 10.1186/s40478-018-0583-4

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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. 1 — EGFR signal transduction and effects of EGFR inhibition on downstream targets. a Scheme of EGFR signal transduction. Nimotuzumab and PD153035 are inhibitors of EGFR: Activation of EGFR results in activation of Akt signaling which relieves a TSC1/TSC2 as well as PRAS40 (via phosphorylation of Thr246) -mediated inhibition of mTORC1. RPS6 phosphorylation at Ser235/236 and Ser 240/244 is regulated by mTORC1. b LNT-229 cells were incubated in serum-free DMEM for 90 min with vehicle (DMSO control), PD153035 (dissolved in DMSO), control solution for nimotuzumab (placebo solution of the trial) or 1 μM nimotuzumab as indicated. Cellular lysates were analyzed by immunoblot with antibodies as indicated