Multifunctional nanoparticles co-loaded with Adriamycin and MDR-targeting siRNAs for treatment of chemotherapy-resistant esophageal cancer
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Published:2022-03-28
Issue:1
Volume:20
Page:
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ISSN:1477-3155
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Container-title:Journal of Nanobiotechnology
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language:en
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Short-container-title:J Nanobiotechnol
Author:
Zhang Xiangyang, Wang Min, Feng Junyi, Qin Bin, Zhang Chenglin, Zhu Chengshen, Liu Wentao, Wang Yaohe, Liu Wei, Huang Lei, Lu Shuangshuang, Wang ZhiminORCID
Abstract
AbstractThe development of multidrug resistance (MDR) during cancer chemotherapy is a major challenge in current cancer treatment strategies. Numerous molecular mechanisms, including increased drug efflux, evasion of drug-induced apoptosis, and activation of DNA repair mechanisms, can drive chemotherapy resistance. Here we have identified the major vault protein (MVP) and the B-cell lymphoma-2 (BCL2) gene as two potential factors driving MDR in esophageal squamous cell carcinoma (ESCC). We have designed a novel and versatile self-assembling nanoparticle (NP) platform on a multifunctional carboxymethyl chitosan base to simultaneously deliver Adriamycin, and siRNAs targeting MVP and BCL2 (CEAMB NPs), thus reducing drug efflux and promoting apoptosis of esophageal cancer cells. To achieve effective delivery to tumor tissues and inhibit tumor growth in vivo, carboxymethyl chitosan was engineered to contain multiple histidines for enhanced cytosol delivery, cholesterol for improved self-assembly, and epidermal growth factor receptor (EGFR) antibodies to target cancer cells. Our results indicate that these nanoparticles are efficiently synthesized with the desired chemical composition to self-assemble into cargo-containing NPs. Furthermore, we have shown that the synthesized NPs will successfully inhibit cancer cells growth and tumor development when delivered to cultured ESCC cells or to in vivo mouse xenograft models. Our engineered NPs offer a potential novel platform in treating various types of chemotherapy-resistant tumors.
Graphical Abstract
Funder
the Science and Technology Research Key Project of the Henan Science and Technology Commission
Publisher
Springer Science and Business Media LLC
Subject
Pharmaceutical Science,Applied Microbiology and Biotechnology,Biomedical Engineering,Molecular Medicine,Medicine (miscellaneous),Bioengineering
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