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"Two birds with one stone" strategy for the lung cancer therapy with bioinspired AIE aggregates

文献类型： 外文期刊

作者： Lin, Yinshan 1 ; Yi, Mengmeng 3 ; Guan, Xiaoling 1 ; Chen, Enen 1 ; Yang, Langyu 1 ; Li, Songpei 1 ; Li, Ying 1 ; Zhang, Lingmin 1 ;

作者机构： 1.Guangzhou Med Univ, Sch Pharmaceut Sci, Guangzhou Municipal & Guangdong Prov Key Lab Mol T, NMPA & State Key Lab Resp Dis, Guangzhou 511436, Peoples R China

2.Guangzhou Med Univ, Affiliated Hosp 5, Guangzhou 511436, Peoples R China

3.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Trop & Subtrop Fishery Resources Applicat, Guangdong Prov Key Lab Aquat Anim Immunol & Sustai, Guangzhou 510380, Peoples R China

关键词： Bioinspired AIE aggregates; Engineered exosomes; Tumor-associated macrophages; Immunotherapy; Dual targeting

期刊名称：JOURNAL OF NANOBIOTECHNOLOGY （ 影响因子：10.2； 五年影响因子：11.5 ）

ISSN：

年卷期： 2023 年 21 卷 1 期

页码：

收录情况： SCI

摘要： Aggregation-induced emission luminogens (AIEgens) have emerged as novel phototherapeutic agents with high photostability and excellent performance to induce photodynamic and/or photothermal effects. In this study, a zwitterion-type NIR AIEgens C41H37N2O3S2 (named BITT) with biomimetic modification was utilized for lung cancer therapy. The tumor-associated macrophage (TAM)-specific peptide (CRV) was engineered into the lung cancer cell-derived exosomes. The CRV-engineered exosome membranes (CRV-EM) were obtained to camouflage the BITT nanoparticles (CEB), which targeted both lung cancer cells and TAMs through homotypic targeting and TAM-specific peptide, respectively. The camouflage with CRV-EM ameliorated the surface function of BITT nanoparticles, which facilitated the cellular uptake in both cell lines and induced significant cell death in the presence of laser irradiations in vitro and in vivo. CEB showed improved circulation lifetime and accumulations in the tumor tissues in vivo, which induced efficient photodynamic and photothermal therapy. In addition, CEB induced the tumor microenvironment remodeling as indicated by the increase of CD8 + and CD4 + T cells, as well as a decrease of M2 TAM and Myeloid-derived suppressor cells (MDSCs). Our work developed a novel style of bioinspired AIE aggregates, which could eliminate both lung cancer cells and TAMs, and remodel the tumor environments to achieve an efficient lung cancer therapy. To the best of our knowledge, we are the first to use this style of bioinspired AIE aggregates for photo-mediated immunotherapy in lung cancer therapy.

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