H. A. Holik, F. Ibrahim, Abib Latifu Fatah
Dec 11, 2021
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Journal
International Journal of Applied Pharmaceutics
Abstract
Objective: This study aims to obtain a good activity of radiotheranostic kit for cancer which is built by combining (S)-2-amino-4-(3,5-dichlorophenyl) butanoic acid (ADPB) with various bifunctional chelators. Methods: This study was conducted through in silico method that consists of molecular docking simulation using AutoDock 4 as well as ADMET prediction using vNN-ADMET and Pre-ADMET. Six bifunctional chelators (i.e. CTPA, DOTA, H2CB-TE2A, H2CB-DO2A, NOTA, and TETA) were conjugated with ADPB as a carrier molecule and further analyzed through molecular docking and ADMET prediction. Results: The results showed that the ADPB-NOTA has the best affinity with the Gibbs free energy (ΔG) of-7.68 kcal/mol with an inhibition constant of 2.36 µM and its ability to bind with the gating residue of LAT1 (ASN258) through hydrogen interactions. Besides that, the ADPB-NOTA compound has a good ADME profile and is predicted to be safe for human use. Conclusion: This study showed that ADPB-NOTA is the most prospective candidate to be used as a radiotheranostic agent.