Abstract
Prostate-specific membrane antigen (PSMA) is a biomarker for prostate cancer, which is commonly used in the development of diagnostic and therapeutic drugs for prostate cancer. In this study, rhenium-188 was chelated with mercaptoacetyltriglycine (MAG3)-PSMA to obtain 188Re-MAG3-PSMA. The labeling efficiency was greater than 99% under the optimal labeling conditions, and it was stable in saline and 10% FBS (fetal bovine serum) after 72 h of incubation. In cellular assays, uptake in PSMA (+) 22Rv1 cells was four-fold greater than that in PSMA (-) PC-3 cells. Biodistribution results revealed that the tumor-to-muscle ratio reached a maximum at 4 h after injection.
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This study was funded by the National Natural Science Foundation of China (Grant No. 11705268).
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Wang, H., Cai, L., He, SH. et al. Preliminary biological evaluation of rhenium-188-MAG3-PSMA. J Radioanal Nucl Chem 331, 2553–2559 (2022). https://doi.org/10.1007/s10967-022-08306-0
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DOI: https://doi.org/10.1007/s10967-022-08306-0