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- Title
Design, Synthesis, Biological Evaluation and Molecular Docking of Novel F-18-Labeled Focal Adhesion Kinase Inhibitors as Potential Tumor Radiotracers.
- Authors
Yang, Hailong; Li, Ye; Liang, Huaju; Cui, Chun; Gan, Lu; Zhang, Huabei
- Abstract
Tumor diagnosis, especially at the early stages, holds immense significance. Focal adhesion kinase (FAK) is often highly expressed across various types of tumors, making it a promising target for both therapy and diagnosis. In this study, seven novel inhibitors were designed and synthesized. The inhibitory activity of these compounds against FAK was notably potent, with an IC50 range of 1.27–1968 nM. In particular, compounds 7a and 7c, with IC50 values of 5.59 nM and 1.27 nM, respectively, were radiolabeled with F-18 and then evaluated with S-180 tumor-bearing mice. Subsequently, they exhibited moderate-to-high tumor uptake values, with [18F]7a showing 1.39 ± 0.30%ID/g at 60 min post injection and [18F]7c demonstrating 6.58 ± 0.46%ID/g at 30 min post injection. In addition, the results from docking studies revealed the binding specifics of the studied compounds. Overall, these findings hold the potential to offer valuable guidance for enhancing the development of radiotracers and enzyme inhibitors.
- Subjects
RADIOACTIVE tracers; KINASE inhibitors; FOCAL adhesion kinase; MOLECULAR docking; TUMOR diagnosis; ENZYME inhibitors
- Publication
Molecules, 2024, Vol 29, Issue 6, p1224
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules29061224