Prof. Jun-Jie Zhu @ FLOGEN SIPS 2022 Yoshikawa Intl. Symposium on Oxidative Stress
FLOGEN SIPS 2022: Yoshikawa International Symposium on Oxidative Stress for Sustainable Development of Human Beings (2nd international Symposium)
Presenter:
Prof. Jun-Jie Zhu, Nanjing University, Nanjing, China
Title:
DNA Nano Self-assemblies for the Application in Cancer Diagnosis and Therapy
Abstract
Cancer is a conundrum in modern medicine and has become a serious threat to human health and life [1], thus the the early diagnosis and precise therapy are crucial to improve the cancer cure rates [2]. Taking advantage of the DNA nanotechnology, an RNA aptamer-based near-infrared gated nanodevice for low-background imaging of mRNA in living cells have been first developed based on the fluorescence enhancement property of RNA aptamer and the catalytic hairpin assembly reaction-mediated signal amplification strategy. Subsequently, DNA nanocarrier with excellent biological stability, strong enzymatic resistance and collaborative drugs delivery is constructed by functionalized circular DNA, which can effectively combat the multidrug-resistant human leukemia. Moreover, a multifunctional DNA-Au nanomachine integrating both diagnostic and therapeutic agents is proposed, which can be triggered by the endogenous mRNA, leading to the activation of multi-mode synergistic therapy and in situ imaging. These researches conducive to the accurate diagnosis and image-guided precise treatment of cancers, which may provide a new route for the construction of intelligent responsive theranostic nanoplatform.
References:
[1] H. Dong, J. Lei, L. Ding, Y. Wen, H. Ju, X. Zhang, Chem. Rev. 113 (2013) 6207.
[2] X. Zhang, Z. Xi, J. O. Machuki, Y. Yang, L. Zhang, J. Tian, K. Guo, Y. Yu, F. Gao, ACS Nano 13 (2019), 5306.
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