Journal
FRONTIERS IN CHEMISTRY
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fchem.2021.721105
Keywords
DNA origami; folate receptor alpha; triple negative breast cancer; drug delivery; DNA nanotechnology
Categories
Funding
- SERB [SRG/2019/000953]
- DBT [BT/12/IYBA/2019/14]
- IIT Bhilai
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Researchers have developed folate-functionalized DNA origami structures that can effectively target and kill cells overexpressing FOLR1, with better efficacy than non-targeted structures. This study is expected to enable target-specific delivery of anticancer drug combinations to drug-resistant cancer cells using versatile DNA origami nanostructures.
DNA origami has emerged as a versatile platform for diverse applications, namely, photonics, electronics, (bio) sensing, smart actuator, and drug delivery. In the last decade, DNA origami has been extensively pursued for efficient anticancer therapy. However, challenges remain to develop strategies that improve the targeting efficiency and drug delivery capability of the DNA origami nanostructures. In this direction, we developed folate-functionalized DNA origami that effectively targets and delivers doxorubicin (DOX), a well-known anticancer drug to the folate receptor alpha (FOLR1) expressing triple-negative breast cancer (TNBC) cells in vitro. We show that folate-functionalized DNA origami structure targets and kills FOLR1 overexpressing cells with better efficacy than nontargeted origami. We envision that this study will open up the possibility of target specific delivery of anticancer drug combinations using the versatile DNA origami nanostructures to the drug resistant cancer cells.
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