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Single-Cell RT-PCR in Microfluidic Droplets with Integrated Chemical Lysis.

  • Author(s): Kim, Samuel C
  • Clark, Iain C
  • Shahi, Payam
  • Abate, Adam R
  • et al.

Published Web Location

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5991602/
No data is associated with this publication.
Abstract

Droplet microfluidics can identify and sort cells using digital reverse transcription polymerase chain reaction (RT-PCR) signals from individual cells. However, current methods require multiple microfabricated devices for enzymatic cell lysis and PCR reagent addition, making the process complex and prone to failure. Here, we describe a new approach that integrates all components into a single device. The method enables controlled exposure of isolated single cells to a high pH buffer, which lyses cells and inactivates reaction inhibitors but can be instantly neutralized with RT-PCR buffer. Using our chemical lysis approach, we distinguish individual cells' gene expression with data quality equivalent to more complex two-step workflows. Our system accepts cells and produces droplets ready for amplification, making single-cell droplet RT-PCR faster and more reliable.

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