BACKGROUND: The liposomal lipid composition of doxorubicin-loaded liposome likely will influence its pharmacological activity. Results & methodology: We prepared 18 formulations of doxorubicin-loaded liposomes in which the lipid composition was varied. It was indicated that the intracellular uptake of doxorubicin is the primary property of doxorubicin-loaded liposome that affects its cytotoxicity in vitro. Furthermore, the release rate of doxorubicin from liposome and the biological activity of the lipid itself also affected the cytotoxicity. SUMMARY: These findings provide an insight into how lipid composition influences the cytotoxicity of the doxorubicin-loaded liposomes. Our results provide valuable information that should help to enhance the therapeutic efficacy of liposomal anticancer drug products by optimizing their formulations.
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Sakai‐Kato et al. (2015) studied this question.
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