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. 2017 Feb 7;12:14. doi: 10.1186/s13024-017-0155-2

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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. 9 — Adult-only lead exposure does not increase the number of TUNEL⁺ apoptotic cells in the DG of the hippocampus. a Experimental design and timeline for cellular studies (BrdU dosing) for Figs. 9, 10, 11, 12, 13, 14, 15 and 16. b Representative images of TUNEL⁺ (green) cells in the DG of control and lead-treated ApoE3-KI and ApoE4-KI males and females. Quantification of TUNEL⁺ cells per DG in ApoE3-KI and ApoE4-KI c females and d males. Data are mean ± SEM with n = 3–4 per genotype/sex/treatment. Two-way ANOVA with Fisher’s LSD post-test: n.s., not significant. Scale bar, 50 μm