Objective: Silibinin, a natural product extracted from the seeds of the , is versatile with various pharmacological effects. However, its clinical application was strongly hampered by its low bioavailability and poor water solubility. Herein, a series of glycosylated silibinin derivatives were identified as novel anti-tumor agents.
Materials And Methods: The cell viability was evaluated by CCK8 assay. Furthermore, cell apoptosis and cell cycle progression were tested by flow cytometry. In addition, the pharmacokinetic assessment of compound and silibinin through intravenous administration (i.v., 2 mg/kg) to ICR mice were performed.
Results: The synthesized compounds showed better water solubilities than silibinin. Among them, compound exhibited inhibitory activity against DU145 cells with IC value of 1.37 ± 0.140 M. Moreover, it arrested cell cycle at G2/M phase and induced apoptosis in DU145 cells. Additionally, compound also displayed longer half-life (T = 128.3 min) in liver microsomes than that of silibinin (T = 82.5 min) and appropriate pharmacokinetic parameters in mice.
Conclusion: Overall, glycosylation of silibinin would be a valid strategy for the development of silibinin derivatives as anti-tumor agents.
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| http://dx.doi.org/10.2147/DDDT.S404036 | DOI Listing |
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