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. 2014 Jan 13;13:14. doi: 10.1186/1476-511X-13-14

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Copyright © 2014 Lin 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 cited. 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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Oil Red O staining of human primary cultured VSMCs. (A) Oil Red O staining of normal human carotid VSMCs after 7 weeks in the 3^rd passage. (B) Oil Red O staining of human plaque-derived VSMCs with two distinctly different morphologies after 7 weeks in the 3^rd passage. The big, flattened shape ones (black arrow) contain much more lipid than the fusiform ones (green arrow).