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Endogenous Enzyme-responsive Nanoplatforms for Anti-tumor Therapy

[ Vol. 22 , Issue. 8 ]

Author(s):

Xue-Fang Lou, Yong-Zhong Du and Xiao-Ling Xu*   Pages 845 - 855 ( 11 )

Abstract:


The emergency of responsive drug delivery systems has contributed to reduced cytotoxicity, improved permeability in tissues and extended circulation time of the active drug. In particular, enzyme-responsive nanoplatforms have attracted a lot of attention due to the specificity and efficiency of an enzyme-catalyzed reaction. In this review, enzyme-based mono responsive drug delivery systems designed in the past 5 years have been summarized. These drug delivery systems were introduced by different tumor-related enzymes such as matrix metalloproteinase, esterase, hyaluronidase, caspase and cathepsin. Moreover, the enzyme-sensitive nanoplatforms activated by dual-stimuli have been also described. Although great progress had been made in the past years, the translation into clinical practice is still difficult. Thus, three obstacles (enzyme heterogeneity, reaction environment, animal model) were also discussed. In short, enzyme-activated drug delivery systems offer great potential in treating cancers.

Keywords:

Enzyme-responsive, matrix metalloproteinase, esterase, hyaluronidase, caspase, cathepsin.

Affiliation:

School of Medicine, Zhejiang University City College, 51 Hu-Zhou Street, Hangzhou 310015, Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058



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