Cited by 31RNA Interference and Gene DeliveryNanoparticle-Based Drug DeliveryMicroRNA in disease regulation

A Tumor-specific MicroRNA Recognition System Facilitates the Accurate Targeting to Tumor Cells by Magnetic Nanoparticles

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Yu, Yingting, Yao, Yi, Yan, Hao, Wang, Rui, Zhang, Zhenming, Sun, Xiaodan, Zhao, Lingyun, Ao, Xiang +2 more·2016·Molecular Therapy - Nucleic Acids

Abstract

Targeted therapy for cancer is a research area of great interest, and magnetic nanoparticles (MNPs) show great potential as targeted carriers for therapeutics. One important class of cancer biomarkers is microRNAs (miRNAs), which play a significant role in tumor initiation and progression. In this study, a cascade recognition system containing multiple plasmids, including a Tet activator, a lacI repressor gene driven by the TetOn promoter, and a reporter gene repressed by the lacI repressor and influenced by multiple endogenous miRNAs, was used to recognize cells that display miRNA signals that are characteristic of cancer. For this purpose, three types of signal miRNAs with high proliferation and metastasis abilities were chosen (miR-21, miR-145, and miR-9). The response of this system to the human breast cancer MCF-7 cell line was 3.2-fold higher than that to the human breast epithelial HBL100 cell line and almost 7.5-fold higher than that to human embryonic kidney HEK293T cells. In combination with polyethyleneimine-modified MNPs, this recognition system targeted the tumor location in situ in an animal model, and an ~42% repression of tumor growth was achieved. Our study provides a new combination of magnetic nanocarrier and gene therapy based on miRNAs that are active in vivo, which has potential for use in future cancer therapies.

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  • The magnetic response intelligent nano system has two treatment procedures: the first uses magnetic fields to assist drug targeting, and the second uses magnetic fields to cause hyperthermia.

    “As a result, the magnetic response intelligent nano system has two treatment procedures. The first technique uses magnetic fields to assist drug targeting, whereas the second uses magnetic fields to cause hyperthermia.186–188”

    From Smart nanoparticles for cancer therapy (2023) · cites this paper as [188]

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Authors
Yu, Y., Yao, Y., Yan, H., Wang, R., Zhang, Z., Sun, X., Zhao, L., Ao, X., Xie, Z., & Wu, Q.
Affiliations
Tsinghua University (CN)
Corresponding author
Wu, Qiong
Venue
Molecular Therapy - Nucleic Acids
Publisher
Elsevier BV
Published
2016
Volume
5
Pages
e318
ISSN
2162-2531 (ISSN-L)
OpenAlex
W2346752463
Cited by
31
References
78
Citations by year
2026: 2 · 2025: 3 · 2024: 4 · 2023: 3 · 2022: 2 · 2021: 4 · 2019: 5 · 2018: 2 · 2017: 3 · 2016: 3
FWCI
2.25
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy — Nucleic Acids (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
Keywords
microRNA, magnetic nanoparticles, tumor targeting, LacI repressor, reporter genes, miR-21, miR-145, miR-9, breast cancer, MCF-7 cells, polyethyleneimine, gene therapy, tumor markers, tumor growth inhibition

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