Application of Therapeutical Nanoparticles with Neutrophil Membrane Camouflaging for Inflammatory Plaques Targeting Against Atherosclerosis

Overview

Journal Mater Today Bio

Date 2025 Jan 13

PMID 39802828

Authors

Ningnannan Zhang

Tianzhu Zhang

Jintang Feng

Jian Shang

Beibei Zhang

Qingyang Dong

Zhang Zhang

Chunyang Sun

Affiliations

Soon will be listed here.

Abstract

Atherosclerosis is the leading cause of cardiovascular disease and myocardial infarction. Precise and effective plaque targeting is a major objective for therapeutic outcomes throughout various stages of atherosclerosis. Inspired by the natural recruitment of neutrophils in atherosclerotic plaques, we fabricated a simvastatin (ST)-loaded and neutrophil membrane-cloaked nanoplatform (NNP) for enhancing localized payload delivery and atherosclerosis management. The resulting NNP mimicked neutrophil function and significantly decreased macrophage-mediated phagocytosis to prolong its own circulation time in the blood. Compared to pristine nanoparticles (NP) without a membrane coating, NNP achieved better plaque targeting in ApoE mice, as indicated by neutrophils actively recruited in atherosclerotic lesions. The higher plaque homing with NNP was monitored by dynamic fluorescence/magnetic resonance (MR) dual-modality imaging. The results further showed that NNP efficiently prevented atherosclerosis development mainly by suppressing local inflammatory macrophages, and the percentage of plaques in the entire aortic area was reduced to 4.75 ± 1.48 % following NNP treatment. A biosafety assessment indicated that the biomimetic NNP induced no noticeable toxicity in the body. This approach of neutrophil membrane-camouflaged nanoparticles offers new opportunities to various therapeutic agents for on-demand delivery in neutrophil-involved inflammatory diseases.

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