期刊
BIOMATERIALS
卷 271, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biomaterials.2021.120737
关键词
Nanomedicine; Size reduction; Shell detachment; Transformable nanostructures; Cancer treatment
资金
- National Natural Science Foundation of China [81773656]
- Excellent Youth Science Foundation of Liaoning Province [2020YQ06]
- Liaoning Revitalization Talents Program [XLYC1808017, XLYC1907129]
- China Postdoctoral Science Foundation [2020M670794]
- Science and Technology Major Project of Liaoning [2019JH1/10300004]
Significant progress has been made in nanoparticulate drug delivery systems, but there are still multiple delivery dilemmas impairing the efficiency of nanomedicines. Smart transformable nanomedicines based on in vivo drug delivery process are promising for overcoming these delivery obstacles. Efforts have been devoted to developing smart transformable anticancer nanomedicines, including size-reducible nanoparticles, transformable nanostructures, and shell-detachable nanocarriers.
Despite that great progression has been made in nanoparticulate drug delivery systems (nano-DDS), multiple drug delivery dilemmas still impair the delivery efficiency of nanomedicines. Rational design of smart transformable nano-DDS based on the in vivo drug delivery process represents a promising strategy for overcoming delivery obstacle of nano-DDS. In recent years, tremendous efforts have been devoted to developing smart transformable anticancer nanomedicines. Herein, we provide a review to outline the advances in this emerging field. First, smart size-reducible nanoparticles (NPs) for deep tumor penetration are summarized, including carrier degradation-induced, protonation-triggered and photobleaching-induced size reduction. Second, emerging transformable nanostructures for various therapeutic applications are discussed, including prolonging tumor retention, reversing drug-resistance, inhibiting tumor metastasis, preventing tumor recurrence and nonpharmaceutical therapy. Third, shell-detachable nanocarriers are introduced, focusing on chemical bonds breaking-initiated, charge repulsion-mediated and exogenous stimuli-triggered shell detachment approaches. Finally, the future perspectives and challenges of transformable nanomedicines in clinical cancer therapy are highlighted.
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