Journal
DIABETES METABOLIC SYNDROME AND OBESITY-TARGETS AND THERAPY
Volume 13, Issue -, Pages 3301-3311Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/DMSO.S263253
Keywords
islet transplantation; imaging modality; non-invasive imaging; multimodal imaging; contrast agent
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Funding
- National Natural Science Foundation of China [81570698]
- Natural Science Foundation of Zhejiang Province of China [Q16H180002]
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Although islet transplantation plays an effective and powerful role in the treatment of diabetes, a large amount of islet grafts are lost at an early stage due to instant blood-mediated inflammatory reactions, immune rejection, and fl-cell toxicity resulting from immunosuppressive agents. Timely intervention based on the viability and function of the transplanted islets at an early stage is crucial. Various islet transplantation imaging techniques are available for monitoring the conditions of post-transplanted islets. Due to the development of various imaging modalities and the continuous study of contrast agents, noninvasive islet transplantation imaging in vivo has made great progress. The tracing and functional evaluation of transplanted islets in vivo have thus become possible. However, most studies on contrast agent and imaging modalities are limited to animal experiments, and long-term toxicity and stability need further evaluation. Accordingly, the clinical application of the current achievements still requires a large amount of effort. In this review, we discuss the contrast agents for MRI, SPECT/PET, BLI/FI, US, MPI, PAI, and multimodal imaging. We further summarize the advantages and limitations of various molecular imaging methods.
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