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Abstract
Objective: In this study, a novel andrographolide (AG) preparation formulation, niosomes, was prepared to improve the bioavailability and tissue distribution of AG.
Methods: The niosomal formulation of AG was prepared by film hydration/sonication method and tissue distribution was measured by liquid chromatography-mass spectrometry (LC-MS) method in mice, and anti-hepatocellular carcinoma (anti-HCC) activity was examined by MTT method in HepG2.
Results: Entrapment efficiency, drug-loading ratio and average particle size of AG niosomes were 72.36%, 5.90% and 206 nm, respectively. The tissue distribution in mice demonstrated that the AG niosomes were absorbed in liver much more than the free AG. Furthermore, the anti-HCC activity in HepG2 cells showed that there was no significant difference between free AG and AG niosomes.
Conclusion: The present results suggest that AG niosomes may have a significant potential of liver targeting, which is valuable in chemotherapy of HCC.