期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 31, 页码 10621-10625出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201904860
关键词
cancer; glycan; HER2; imprinting; signaling pathway
资金
- National Natural Science Foundation of China [21425520]
- Excellent Research Program of Nanjing University [ZYJH004]
- 333 Talents Project from Jiangsu Provincial Government, China [BRA2016351]
- [21834003]
Blocking the HER2 signaling pathway has been an effective strategy in the treatment of HER2-positive breast cancer. It mainly relies on the use of monoclonal antibodies and tyrosine-kinase inhibitors. Herein, we present a new strategy, the nano molecularly imprinted polymer (nanoMIP). The nanoMIPs, imprinted using HER2 N-glycans, could bind almost all HER2 glycans and suppress the dimerization of HER2 with other HER family members, blocking the downstream signaling pathways, thereby inhibiting HER2+ breast cancer growth. In vitro experiments demonstrated that the nanoMIPs specifically targeted HER2+ cells and inhibited cell proliferation by 30 %. In vivo experiments indicated that the mean tumor volume of the nanoMIP-treated group was only about half of that of the non-treated groups. This study provides not only a new possibility to treat of HER2+ breast cancer but also new evidence to boost further development of nanoMIPs for cancer therapy.
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