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. 2014 Mar 9;6:34. doi: 10.1186/1758-5996-6-34

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Copyright © 2014 Abdel Aziz et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), 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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Immunohistochemistry detection of VEGF: VEGF expression in endothelial cells of interstitial tissue decreased in DN group (7B) compared to the control group (7A). Following stem cells injection, there was an increase in VEGF expression compared to the diabetic nephropathy group (Figure7C).