Journal
NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE
Volume 49, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.nano.2023.102663
Keywords
Biomimetic liposomes; Cell membrane; Glioblastoma; Macrophages
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Researchers developed macrophage membrane liposomes as nanocarriers for brain tumor treatment. M2 macrophage-derived nanocarriers showed higher uptake and delivery efficiency, while also possessing immune escaping properties. These findings suggest the potential of using M2 macrophage membranes for novel GBM targeting nanocarriers.
Glioblastoma (GBM) is a highly aggressive malignant brain tumor currently without an effective treatment. Inspired by the recent advances in cell membrane biomimetic nanocarriers and by the key role of macrophages in GBM pathology, we developed macrophage membrane liposomes (MML) for GBM targeting. For the first time, it was assessed the role of macrophage polarization states in the effectiveness of these drug delivery systems. Interestingly, we observed that MML derived from M2 macrophages (M2 MML) presents higher uptake and increased delivery of the anticarcinogenic drug doxorubicin compared to M1 macrophage-derived nanocarriers (M1 MML) and control liposomes (CL). Moreover, the lowest uptake by macrophages of MML reveals promising immune escaping properties. Notably, M2 macrophages unveiled a higher expression of integrin CD49d, a crucial protein involved in the bilateral communication of macrophages with tumor cells. Therefore, our findings suggest the potential of using M2 macrophage membranes to develop novel nanocarriers targeting GBM.(c) 2023 Published by Elsevier Inc.
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