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. 2017 Nov 9;18:435. doi: 10.1186/s12891-017-1790-z

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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. 3 — Runx2 (a) and sp7 (b) gene expression in C57BL/6 and p21^−/− bone marrow derived MSCs before and after osteogenic differentiation. Histological (alizarin red) staining of calcium deposits in differentiated MSCs from C57BL/6 (c) and p21^−/− (d) mice respectively. Error bars indicate standard deviation