Pharmacophore hybridisation and nanoscale assembly to discover self-delivering lysosomotropic new-chemical entities for cancer therapy

Zhao Ma, Jin Li, Kai Lin, Mythili Ramachandran, Dalin Zhang, Megan Showalter, Cristabelle Souza, Aaron Lindstrom, Lucas N. Solano, Bei Jia, Shiro Urayama, Yuyou Duan, Oliver Fiehn, Tzu-yin Lin, Minyong Li and Yuanpei Li ()
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Zhao Ma: University of California Davis
Jin Li: University of California Davis
Kai Lin: University of California Davis
Mythili Ramachandran: University of California Davis
Dalin Zhang: University of California Davis
Megan Showalter: University of California Davis
Cristabelle Souza: University of California Davis
Aaron Lindstrom: University of California Davis
Lucas N. Solano: University of California Davis
Bei Jia: University of California Davis
Shiro Urayama: University of California Davis
Yuyou Duan: South China University of Technology
Oliver Fiehn: University of California Davis
Tzu-yin Lin: University of California Davis
Minyong Li: Shandong University
Yuanpei Li: University of California Davis

Nature Communications, 2020, vol. 11, issue 1, 1-12

Abstract: Abstract Integration of the unique advantages of the fields of drug discovery and drug delivery is invaluable for the advancement of drug development. Here we propose a self-delivering one-component new-chemical-entity nanomedicine (ONN) strategy to improve cancer therapy through incorporation of the self-assembly principle into drug design. A lysosomotropic detergent (MSDH) and an autophagy inhibitor (Lys05) are hybridised to develop bisaminoquinoline derivatives that can intrinsically form nanoassemblies. The selected BAQ12 and BAQ13 ONNs are highly effective in inducing lysosomal disruption, lysosomal dysfunction and autophagy blockade and exhibit 30-fold higher antiproliferative activity than hydroxychloroquine used in clinical trials. These single-drug nanoparticles demonstrate excellent pharmacokinetic and toxicological profiles and dramatic antitumour efficacy in vivo. In addition, they are able to encapsulate and deliver additional drugs to tumour sites and are thus promising agents for autophagy inhibition-based combination therapy. Given their transdisciplinary advantages, these BAQ ONNs have enormous potential to improve cancer therapy.

Date: 2020
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DOI: 10.1038/s41467-020-18399-4

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