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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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Immunohistochemical staining of BMP2 and Collagen I of the transplanted scaffold at six weeks post-implantation. (a) BMP2 and (c) Collagen I staining in the normal USCs transplantation group. (b) BMP2 and (d) Collagen I staining in the Lentiviral-BMP2 transplantation group. The arrows indicate the positive staining of BMP2 or Collagen I in the Lentiviral-BMP2 transplantation group. Scale bar for a and c = 50 μm; b and d = 100 μm. BMP2, bone morphogenic proteins 2; USCs, urine-derived stem cells.