Bioinspired Artificial Tobacco Mosaic Virus with Combined Oncolytic Properties to Completely Destroy Multidrug-Resistant Cancer.

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ID: 85482
2020
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Abstract
Although biomimetic virus-like strategies have been widely used in antitumor applications, construction of uniquely shaped virus-like agents and optimization of their specific morphological features to achieve diverse antitumor functions are worthwhile pursuits. Here, a novel strategy to construct an artificial tobacco mosaic virus (ATMV) that closely mimics the structure of the rod-like tobacco mosaic virus (TMV) is developed. The supramolecular array is self-assembled from small, repeated subunits of tailor-made capsid-mimicking dendrons onto RGD-modified single-walled carbon nanotube to construct the ATMVs with high structural stability. The ATMVs are tactfully designed with shielding, targeting, and arming approaches, including shielding the viruses against premature elimination, selectively targeting tumor tissue, and arming the viruses with oncolytic abilities. The elongated particles are concealed in blood until they arrived at a tumor site, then they induce robust composite oncolytic processes including cytomembrane penetration, endoplasmic reticulum disruption to cause Ca release, chemotherapeutic delivery, and photothermal therapy. Excitingly, the ATMVs not only lyse primary infected cells, but permeate adjacent cells for secondary infection, spreading cell-to-cell and continuing to induce lysis even deep in solid tumors. This work inspires a uniquely shaped virus-like agent with tactically optimized oncolytic functions that completely defeated large drug-resistant colon tumor (LoVo/Adr, ≈500 mm ).
Reference Key
wu2020bioinspiredadvanced Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Wu, Huayu;Zhong, Dan;Zhang, Zhijun;Li, Yachao;Zhang, Xiao;Li, Yunkun;Zhang, Zhuangzhuang;Xu, Xianghui;Yang, Jun;Gu, Zhongwei;
Journal advanced materials (deerfield beach, fla)
Year 2020
DOI
10.1002/adma.201904958
URL
Keywords
artificial tobacco mosaic virus biomimetic strategies multidrug resistance reversal oncolytic viruses secondary infection

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