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- W4212822032 abstract "A series of novel non-covalent peptidomimetic proteasome inhibitors possessing bulky group at the C-terminus and N-alkylation at the N-terminus were designed with the aim to increase metabolic stabilities in vivo. All the target compounds were screened for their inhibitory activities against human 20S proteasome, and most analogs exhibited notable potency compared with the positive control bortezomib with IC50 values lower than 10 nM, which also displayed potent cytotoxic activities against multiple myeloma (MM) cell lines and human acute myeloid leukemia (AML) cells. Furthermore, whole blood stability and in vivo proteasome inhibitory activity experiments of selected compounds were conducted for further evaluation, and the representative compound 43 (IC50 = 8.39 ± 2.32 nM, RPMI-8226: IC50 = 15.290 ± 2.281 nM, MM-1S: IC50 = 9.067 ± 3.103 nM, MV-4-11: IC50 = 2.464 ± 0.713 nM) revealed a half-life extension of greater than 9-fold (329.21 min VS 36.79 min) and potent proteasome inhibitory activity in vivo. The positive results confirmed the reliability of the metabolism guided optimization strategy, and the analogs discovered are potential leads for exploring new anti-MM drugs." @default.
- W4212822032 created "2022-02-24" @default.
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- W4212822032 date "2022-04-01" @default.
- W4212822032 modified "2023-10-18" @default.
- W4212822032 title "Metabolism guided optimization of peptidomimetics as non-covalent proteasome inhibitors for cancer treatment" @default.
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- W4212822032 doi "https://doi.org/10.1016/j.ejmech.2022.114211" @default.
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