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Ultrasonic Cavitation‐Assisted and Acid‐Activated Transcytosis of Liposomes for Universal Active Tumor Penetration
Author(s) -
Wang Guowei,
Zhang Chao,
Jiang Yifan,
Song Yue,
Chen Jifan,
Sun Yu,
Li Qunying,
Zhou Zhuxian,
Shen Youqing,
Huang Pintong
Publication year - 2021
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.202102786
Subject(s) - transcytosis , liposome , nanomedicine , materials science , nanocarriers , drug delivery , penetration (warfare) , tumor microenvironment , gemcitabine , prodrug , nanotechnology , cancer research , nanoparticle , chemistry , pharmacology , medicine , chemotherapy , tumor cells , endocytosis , biochemistry , receptor , operations research , engineering
Active tumor penetration has been recently recognized as a promising strategy to resolve the limitation of nanomedicine in terms of tumor penetration, but it is challenging to develop active transporting nanocarriers. Here, an ultrasonic cavitation‐assisted and acid‐activatable active transporting liposome for a broad range of tumors is reported. The active transporting liposome (size and charge dual‐conversional gemcitabine prodrug‐integrated liposomal nanodroplet (SCGLN)) overcomes the tight blood vessel walls with the aid of ultrasonic cavitation. The SCGLN subsequently transforms from micro‐size to nano‐size under prolonged ultrasound radiation. Once in the acidic tumor microenvironment, the nanosized SCGLN undergoes negative‐to‐positive charge‐reversal and triggers the cationization‐initiated transcytosis to penetrate deep into tumor parenchyma. The gemcitabine‐loaded SCGLN exhibits potent antitumor activity in multiple poorly permeable tumor models, which completely erases subcutaneous U251 glioma and stops the progression of orthotopic BxPC3 pancreatic ductal adenocarcinoma. This study presents a promising and universal strategy to develop active penetrating nanomedicines for efficient drug delivery in the low permeable tumor.