Journal
ANALYTICAL CHEMISTRY
Volume 94, Issue 9, Pages 4039-4047Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.1c05227
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Funding
- Natural Sciences and Engineering Research Council (NSERC)
- SynBioApps CREATE program
- Fonds de Recherche Nature et Technologies (FRQNT)
- MEDTEQ+
- Canadian Foundation of Innovation (CFI)
- NSERC
- Concordia University Department of Electrical and Computer Engineering
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A microfluidic method is developed for efficient generation and delivery of lentiviruses, enabling gene editing and targeted therapy for diseases such as breast cancer.
Viral-based systems are a popular delivery method for introducing exogenous genetic material into mammalian cells. Unfortunately, the preparation of lentiviruses containing the machinery to edit the cells is labor-intensive, with steps requiring optimization and sensitive handling. To mitigate these challenges, we introduce the first microfluidic method that integrates lentiviral generation, packaging, and transduction. The new method allows the production of viral titers between 10(6) and 10(7) (similar to macroscale production) and high transduction efficiency for hard-to-transfect cell lines. We extend the technique for gene editing applications and show how this technique can be used to knock out and knock down estrogen receptor gene-a gene prominently responsible for 70% of breast cancer cases. This new technique is automated with multiplexing capabilities, which have the potential to standardize the methods for viral-based genome engineering.
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