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. 2015 Aug 19;22(1):71. doi: 10.1186/s12929-015-0175-6

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© Chen et al. 2015

Open Access This 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. 2 — Survival of NPC cells after drug treatment with NEO212, TMZ or POH. a, TW1 and TW4 cells were exposed to increasing concentrations of NEO212 (circles), TMZ (squares) or POH (triangles) for 48 h, and survival was determined via colony formation assay (CFA). The number of colonies formed by untreated cells was set at 100 %; ±SD, n ≥ 3. b, Apoptosis of TW1 and TW4 cells after treatment with increasing concentrations of NEO212 (circles) or TMZ (squares), as measured by cell death ELISA assay (averages from 2 experiments)