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. 2008 Mar 26;3(3):e1894. doi: 10.1371/journal.pone.0001894

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Ma et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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A: PBMCs labeled in vitro with PKH26 dye (red) and DAPI nuclear counterstain (blue); magnification: ×1000. These cells were injected into the carotid artery immediately after stent insertion. B: Cross section of native rabbit carotid artery 14 days post stent implantation (H&E stain,). C: PKH26-labelled PBMCs (red) were detected in the NI of stented artery. D: Some PKH26-labelled PBMCs (red) were also immunopositive for α-SMA (green). For panels B–D: arrows or autofluorescence delineate the internal elastic lamina; *denote sites of manually removed stent struts; magnification: ×400.