T-cell tracking using Cerenkov and radioluminescence imaging

F Boschi, F De Sanctis, S Ugel, AE Spinelli

Research output: Contribution to journalArticle

Abstract

Cancer immunotherapy is a promising strategy based on the ability of the immune system to kill selected cells. In the development of an effective T-cell therapy, the noninvasive cell tracking methods play a crucial role. Here, we investigate the potentialities of T-cell marked with radionuclides in order to detect their localization with imaging techniques in small animal rodents. A protocol to label T-cells with32P-ATP was tested and evaluated. The homing of32P-ATP labeled T lymphocytes was investigated by Cerenkov luminescence imaging (CLI) and radioluminescence imaging (RLI). The first approach relies on the acquisition of Cerenkov photons produced by the beta particles emitted by the32P internalized by lymphocytes; the second one on the detection of photons coming from the conversion of radioactive energy in light done by scintillator crystals layered on the animals. The results show that T-cell biodistribution can be optically observed by both CLI and RLI in small animal rodents in in vivo and ex vivo acquisitions. T-cell localization in the tumor mass was definitively confirmed by flow cytometry. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish
Article numbere201800093
JournalJournal of Biophotonics
Volume11
Issue number10
DOIs
Publication statusPublished - 2018

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    Boschi, F., De Sanctis, F., Ugel, S., & Spinelli, AE. (2018). T-cell tracking using Cerenkov and radioluminescence imaging. Journal of Biophotonics, 11(10), [e201800093]. https://doi.org/10.1002/jbio.201800093