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Post-formulation peptide drug loading of nanostructures for metered control of NF-κB signaling

机译：NF-κB信号传导计量控制的纳米结构后肽药物载荷

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摘要

The NF-κB signaling pathway is an attractive therapeutic target for cancer and chronic inflammatory diseases. In this study, we report the first strategy to achieve NF-κB inhibition with a peptide inhibitor loaded into perfluorocarbon nanoparticles with the use of a simple post-formulation mixing approach that utilizes an amphipathic cationic fusion peptide linker strategy for cargo insertion. A stable peptide-nanoparticle complex is formed (dissociation constant ~0.14 μM) and metered inhibition of both NF-κB signaling and downstream gene expression (ICAM-1) is demonstrated in leukemia/lymphoma cells. This post-formulation cargo loading strategy enables the use of a generic synthetic or biologic lipidic nanostructure for drug conjugation that permits flexible specification of types and doses of peptides and/or other materials as diagnostic or therapeutic agents for metered incorporation and cellular delivery.

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