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  3. Mechano-boosting nanomedicine antitumour efficacy by blocking the reticuloendothelial system with stiff nanogels

Mechano-boosting nanomedicine antitumour efficacy by blocking the reticuloendothelial system with stiff nanogels

  • Nat Commun. 2023 Mar 15;14(1):1437. doi: 10.1038/s41467-023-37150-3.
Zheng Li 1,  Yabo Zhu 1,  Haowen Zeng 1,  Chong Wang 1,  Chen Xu 1,  Qiang Wang 1,  Huimin Wang 1,  Shiyou Li 1,  Jitang Chen 1,  Chen Xiao 1,  Xiangliang Yang 1 2 3 4,  Zifu Li 5 6 7 8
Affiliations

Affiliations

  • 1 National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, 430074, Wuhan, P. R. China.
  • 2 Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, 430074, Wuhan, P. R. China.
  • 3 Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medical, Huazhong University of Science and Technology, 430074, Wuhan, P. R. China.
  • 4 GBA Research Innovation Institute for Nanotechnology, 510530, Guangzhou, Guangdong, P. R. China.
  • 5 National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, 430074, Wuhan, P. R. China. zifuli@hust.edu.cn.
  • 6 Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, 430074, Wuhan, P. R. China. zifuli@hust.edu.cn.
  • 7 Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medical, Huazhong University of Science and Technology, 430074, Wuhan, P. R. China. zifuli@hust.edu.cn.
  • 8 Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Huazhong University of Science and Technology, 430074, Wuhan, P. R. China. zifuli@hust.edu.cn.
PMID: 36918575 DOI: 10.1038/s41467-023-37150-3
Abstract

Nanomedicine has been developed for Cancer therapy over several decades, while rapid clearance from blood circulation by reticuloendothelial system (RES) severely limits nanomedicine antitumour efficacy. We design a series of nanogels with distinctive stiffness and investigate how nanogel mechanical properties could be leveraged to overcome RES. Stiff nanogels are injected preferentially to abrogate uptake capacity of macrophages and temporarily block RES, relying on inhibition of clathrin and prolonged liver retention. Afterwards, soft nanogels deliver doxorubicin (DOX) with excellent efficiency, reflected in high tumour accumulation, deep tumour penetration and outstanding antitumour efficacy. In this work, we combine the advantage of stiff nanogels in RES-blockade with the superiority of soft nanogels in drug delivery leads to the optimum tumour inhibition effect, which is defined as mechano-boosting antitumour strategy. Clinical implications of stiffness-dependent RES-blockade are also confirmed by promoting antitumour efficacy of commercialized nanomedicines, such as Doxil and Abraxane.

Figures
Products
  • Cat. No.
    Product Name
    Description
    Target
    Research Area
  • HY-115604
    98.42%, Clathrin 抑制剂
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