Lipid-polymer hybrid nanoparticle with cell-distinct drug release for treatment of stemness-derived resistant tumor  

作　　者：Shiyang Shen Teng Li Jinyi Fan Quanlin Shao He Dong Xiao Xu Ran Mo 

机构地区：[1]State Key Laboratory of Natural Medicines,Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases,Center of Advanced Pharmaceuticals and Biomaterials,School of Life Science and Technology,China Pharmaceutical University,Nanjing 210009,China

出　　处：《Acta Pharmaceutica Sinica B》2023年第3期1262-1273,共12页药学学报（英文版）

基　　金：supported by the National Natural Science Foundation of China(82273876,81971730,81673381,82104090);the Fok Ying-Tong Education Foundation for Young Teachers in the Higher Education Institutions of China(171028);the Project of State Key Laboratory of Natural Medicines of China Pharmaceutical University(SKLNMZZ202024,China);the Natural Science Foundation of Jiangsu Province(BK20210425,China);the Postdoctoral Research Funding of Jiangsu Province(2021K051A,China).

摘　　要：Drug resistance presents one of the major causes for the failure of cancer chemotherapy.Cancer stem-like cells(CSCs),a population of self-renewal cells with high tumorigenicity and innate chemoresistance,can survive conventional chemotherapy and generate increased resistance.Here,we develop a lipid-polymer hybrid nanoparticle for co-delivery and cell-distinct release of the differentiation-inducing agent,all-trans retinoic acid and the chemotherapeutic drug,doxorubicin to overcome the CSC-associated chemoresistance.The hybrid nanoparticles achieve differential release of the combined drugs in the CSCs and bulk tumor cells by responding to their specific intracellular signal variation.In the hypoxic CSCs,ATRA is released to induce differentiation of the CSCs,and in the differentiating CSCs with decreased chemoresistance,DOX is released upon elevation of reactive oxygen species to cause subsequent cell death.In the bulk tumor cells,the drugs are released synchronously upon the hypoxic and oxidative conditions to exert potent anticancer effect.This cell-distinct drug release enhances the synergistic therapeutic efficacy of ATRA and DOX with different anticancer mechanism.We show that treatment with the hybrid nanoparticle efficiently inhibit the tumor growth and metastasis of the CSC-enriched triple negative breast cancer in the mouse models.

关 键 词：Drug delivery Lipid-polymer hybrid nanoparticle Chemotherapeutic resistance Cancer stem-like cell Differentiation therapy 

分 类 号：R730.5[医药卫生—肿瘤]