Abstract
The efficient and secure delivery of intravenous chemotherapeutic agents across the blood–brain barrier (BBB) to the precise location of a brain tumor is a crucial element in glioma treatment. Herein, we introduce a biomimetic nanoplatform (T7-M-C/S) comprising a core made up of irinotecan hydrochloride (CPT11) and its bioactive metabolite, 7-Ethyl-10-hydroxycamptothecin (SN38), surrounded by a layer of T7-peptide-modified macrophage membrane. CPT11 spontaneously assembles with SN38 into stable and water-dispersible nanoparticles (C/S), greatly enhancing the water solubility of SN38. The integration of the modified peptide with the inherent proteins expressed by macrophage cells confers the nanoplatform with enhanced bioavailability and robust glioma-targeting abilities, ultimately resulting in superior therapeutic outcomes. These discoveries highlight a drug delivery system characterized by a high drug loading capacity, leveraging the macrophage membrane, and promising significant potential for glioma treatment.
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More From: European Journal of Pharmaceutics and Biopharmaceutics
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