Kevin C. Wang, Tiana L. Young, Jingan Chen, Shannon N. Tsai, Yue Xu, Andrew J. Varley, Nicholas C. Solek, Fanglin Gong, Rick X. Z. Lu, Basil P. Hubbard and Bowen Li*,
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引用次数: 0
Abstract
Lipid nanoparticles (LNPs) are the most extensively validated clinical delivery vehicles for mRNA therapeutics, exemplified by their widespread use in the mRNA COVID-19 vaccines. The pace of lipid nanoparticle (LNP) development for mRNA therapeutics is restricted by the limitations of existing methods for large-scale LNP screening. To address this challenge, we developed Quantitative Analysis of Reverse Transcribed Barcodes (QuART), a novel nucleic-acid-based system for measuring LNP functional delivery in vivo. QuART uses a bacterial retron reverse transcription system to couple functional mRNA delivery into the cytoplasm with a cDNA barcode readout. Our results demonstrate that QuART can be used to identify functional mRNA delivery both in vitro in cell culture and in vivo in mice. Multiplexing of QuART could enable high-throughput screening of LNP formulations, facilitating the rapid discovery of promising LNP candidates for mRNA therapeutics.
期刊介绍:
ACS Bio & Med Chem Au is a broad scope open access journal which publishes short letters comprehensive articles reviews and perspectives in all aspects of biological and medicinal chemistry. Studies providing fundamental insights or describing novel syntheses as well as clinical or other applications-based work are welcomed.This broad scope includes experimental and theoretical studies on the chemical physical mechanistic and/or structural basis of biological or cell function in all domains of life. It encompasses the fields of chemical biology synthetic biology disease biology cell biology agriculture and food natural products research nucleic acid biology neuroscience structural biology and biophysics.The journal publishes studies that pertain to a broad range of medicinal chemistry including compound design and optimization biological evaluation molecular mechanistic understanding of drug delivery and drug delivery systems imaging agents and pharmacology and translational science of both small and large bioactive molecules. Novel computational cheminformatics and structural studies for the identification (or structure-activity relationship analysis) of bioactive molecules ligands and their targets are also welcome. The journal will consider computational studies applying established computational methods but only in combination with novel and original experimental data (e.g. in cases where new compounds have been designed and tested).Also included in the scope of the journal are articles relating to infectious diseases research on pathogens host-pathogen interactions therapeutics diagnostics vaccines drug-delivery systems and other biomedical technology development pertaining to infectious diseases.