Development of 18F-Labeled hydrophilic trans-cyclooctene as a bioorthogonal tool for PET probe construction. 2023

Muyun Xu, and Xinrui Ma, and Jessica E Pigga, and He Zhang, and Shuli Wang, and Weiling Zhao, and Huaifu Deng, and Anna M Wu, and Rihe Liu, and Zhanhong Wu, and Joseph M Fox, and Zibo Li
Department of Radiology, Biomedical Research Imaging Center, and Lineberger Comprehensive Cancer Center, the University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599, USA. zhanhong_wu@med.unc.edu.

We report the development of a hydrophilic 18F-labeled a-TCO derivative [18F]3 (log P = 0.28) through a readily available precursor and a single-step radiofluorination reaction (RCY up to 52%). We demonstrated that [18F]3 can be used to construct not only multiple small molecule/peptide-based PET agents, but protein/diabody-based imaging probes in parallel.

UI MeSH Term Description Entries
D005462 Fluorine Radioisotopes Unstable isotopes of fluorine that decay or disintegrate emitting radiation. F atoms with atomic weights 17, 18, and 20-22 are radioactive fluorine isotopes. Radioisotopes, Fluorine
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines
D049268 Positron-Emission Tomography An imaging technique using compounds labelled with short-lived positron-emitting radionuclides (such as carbon-11, nitrogen-13, oxygen-15 and fluorine-18) to measure cell metabolism. It has been useful in study of soft tissues such as CANCER; CARDIOVASCULAR SYSTEM; and brain. SINGLE-PHOTON EMISSION-COMPUTED TOMOGRAPHY is closely related to positron emission tomography, but uses isotopes with longer half-lives and resolution is lower. PET Imaging,PET Scan,Positron-Emission Tomography Imaging,Tomography, Positron-Emission,Imaging, PET,Imaging, Positron-Emission Tomography,PET Imagings,PET Scans,Positron Emission Tomography,Positron Emission Tomography Imaging,Positron-Emission Tomography Imagings,Scan, PET,Tomography Imaging, Positron-Emission,Tomography, Positron Emission
D034242 Cyclooctanes A group of compounds with an 8-carbon ring. They may be saturated or unsaturated. Benzocyclooctanes,Benzocyclooctenes,Cyclooctenes,Cyclooctodienes,Dibenzocyclooctanes

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