ImmunoPET: Concept, Design, and Applications
Top Cited Papers
- 22 March 2020
- journal article
- review article
- Published by American Chemical Society (ACS) in Chemical Reviews
- Vol. 120 (8), 3787-3851
- https://doi.org/10.1021/acs.chemrev.9b00738
Abstract
Immuno-positron emission tomography (immunoPET) is a paradigm-shifting molecular imaging modality combining the superior targeting specificity of monoclonal antibody (mAb) and the inherent sensitivity of PET technique. A variety of radionuclides and mAbs have been exploited to develop immunoPET probes, which has been driven by the development and optimization of radiochemistry and conjugation strategies. In addition, tumor-targeting vectors with a short circulation time (e.g., Nanobody) or with an enhanced binding affinity (e.g., bispecific antibody) are being used to design novel immunoPET probes. Accordingly, several immunoPET probes, such as Zr-89-Df-pertuzumab and Zr-89-atezolizumab, have been successfully translated for clinical use. By noninvasively and dynamically revealing the expression of heterogeneous tumor antigens, immunoPET imaging is gradually changing the theranostic landscape of several types of malignancies. ImmunoPET is the method of choice for imaging specific tumor markers, immune cells, immune checkpoints, and inflammatory processes. Furthermore, the integration of immunoPET imaging in antibody drug development is of substantial significance because it provides pivotal information regarding antibody targeting abilities and distribution profiles. Herein, we present the latest immunoPET imaging strategies and their preclinical and clinical applications. We also emphasize current conjugation strategies that can be leveraged to develop next-generation immunoPET probes. Lastly, we discuss practical considerations to tune the development and translation of immunoPET imaging strategies.Funding Information
- U.S. Department of Health and Human Services (P30 CA014520)
- National Natural Science Foundation of China (81530053, 81830052, 81974271)
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences (18DZ2260400)
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