Novel combinational nanomedicines, liposomes, to tackle breast cancer
Abstract
Aims Doxorubicin (DOX), a potent chemotherapeutic, is a commonly prescribed treatment for breast cancer, but is limited by severe organ toxicity. Therefore, more effective therapies are required. This study developed a novel DOX-liposomes (LipDOX-ALA-AA) co-loaded with alpha-lipoic-acid (ALA) and ascorbic-acid (AA) to enhance antineoplastic effect.Methods Liposomes were fabricated using a microfluidic-system with a DSPClipid:Cholesterol ratio of 1:1 and a flow rate ratio of 5:1. Liposomes were investigated using various-techniques such-as dynamic light scattering to measure liposomes’ size and charge; and UV-spectroscopy to determine DOX-encapsulation-efficiency, EE. Cytotoxicity assays used various cell-lines.Results Data revealed that LipDOX-ALA-AA had diameter of 79.0 ± 0.3 nm, with narrow size distribution, and zeta-potential of −4.0 ± 1.2. DOX-EE exceeded 95%, drug load was 0.5 mg/105.5 mg total content, drug release followed a biphasic pattern. Cytotoxicity assay showed activity (p < 0.05) against breast cancer cell-lines with reduced nephrotoxicity compared to Doxosome.Conclusion This novel formulation (LipDOX-ALA-AA) offers a promise in breast cancer therapy.
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