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. 2017 Jan 30;16:1536012116689770. doi: 10.1177/1536012116689770

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 3.0 License (http://www.creativecommons.org/licenses/by-nc/3.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — The representative micro-positron emission tomography (micro PET) images of balloon injured rat carotid artery using a potent sphingosine-1-phosphate receptor 1 (S1PR1) PET radiotracer [¹¹C]TZ3321. MicroPET image (A, two-dimensional[2D] image) and coregistered PET/computed tomography [CT] image of the first 100-second scan (B, three-dimensional (3D) image) indicated the blood perfusion in bilateral carotid arteries and were used to locate bilateral common carotid arteries. MicroPET image (C, 2D image) of the totally 60-minute scan showed higher tracer uptake in the injured carotid artery area than the sham side. D, the molecular structure of [¹¹C]TZ3321.