Abstract
Aims: This study aims to prepare and investigate the potential of theobromine derivative-loaded chitosomes as an effective anticancer drug. Background: [Formula: see text]-Benzyl-2-(3,7-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1[Formula: see text]-purin-1-yl)acetamide (T-1-BA) exhibited promising anticancer potential. Loaded chitosomes, highlighting their suitability as a drug delivery system. The study builds on the significance of targeted drug delivery systems for enhanced anticancer efficacy. Objectives: To prepare T-1-BA-loaded chitosomes (T-1-BA-PC-CS complex) using the thin film hydration technique. To examine the colloidal characteristics, entrapment efficiency, and stability of the T-1-BA-PC-CS complex. To assess the in vitro anticancer efficacy of the T-1-BA-PC-CS complex against Hct116 and A549 cancer cell lines comparing the free T-1-BA, blank chitosomes, and the standard EGFR inhibitor, Lapatinib. Methods: The T-1-BA-PC-CS complex was prepared through the thin film hydration technique. Colloidal characteristics, including particle size, PDI, and zeta potential, were examined. In vitro anticancer efficacy was assessed through IC[Formula: see text] values, comparative analyses, SI calculations, cell cycle analysis, flow cytometry, and wound healing assays. Results: The T-1-BA-PC-CS complex demonstrated reduced IC[Formula: see text] values against Hct116 and A549 cell lines, indicating enhanced cytotoxicity compared to free T-1-BA and blank chitosomes. Comparative analyses highlighted superior anticancer activity. SI values indicated preferential cytotoxic effects on cancer cell lines. Flow cytometry analysis revealed cell cycle alterations and increased apoptosis. Wound healing assays showed a significant impact on migration and wound healing in A549 cells. Conclusion: The findings suggest that the T-1-BA-PC-CS complex holds great promise as an anticancer therapeutic by efficiently inducing favorable alterations in cell cycle phases and apoptosis, demonstrating its potential for further development in cancer treatment.
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