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. 2014 Jun 16;12:170. doi: 10.1186/1479-5876-12-170

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Copyright © 2014 Niu 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/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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Characterization of isolated EPCs. A. Representative images of cultured EPCs on 7th day, 14th day, and 20th day (magnification 200×). B. Double-color fluorescent imaging indicated Dil-acetylated LDL incorporation and FITC lectin binding by EPCs. The nuclei was stained by DAPI (magnification 200×). C. FACS showed the expression of stem cell marker CD45, VEGFR-2, CD34, and CD133 in EPCs at 14th day.