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. 2015 Jan 7;6(1):5. doi: 10.1186/scrt539

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© Guan et al.; licensee BioMed Central. 2015

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Human derived OCN was detected by immunostaining after six weeks. (a) USCs/β-TCP; (b) Lentiviral-BMP2 transduced USCs/β-TCP. The arrows indicate the positive staining of OCN. Scale bar = 100 μm. B-TCP, β-tricalcium phosphate; BMP2, bone morphogenic proteins 2; OCN, osteocalcin; USCs, urine-derived stem cells.