Concepts and Design of Introducing Synthetic MicroRNAs into Mammalian Cells

Methods Mol Biol. 2022:2445:171-182. doi: 10.1007/978-1-0716-2071-7_11.

Abstract

MicroRNAs are pleiotropic gene modulators affecting numerous cellular processes in development and disease. Due to their small size, microRNAs can easily be synthesized for the purpose of mechanistic or therapeutic studies in biological processes, including autophagy. Depending on the biological question posed, approaches of modulating microRNAs involve either microRNA mimic or inhibitory nucleic acid molecules. This protocol outlines the detailed methodological steps to introduce synthetic microRNA drugs into target cells in vitro and in vivo and how to monitor their function. In addition, it provides insights on how to control the adverse effects when ectopically expressing synthetic microRNA mimic molecules.

Keywords: Autophagy; MicroRNA; Nanoparticles; Stem-loop RT-qPCR; Transfection.

MeSH terms

  • Animals
  • Autophagy
  • Mammals / genetics
  • MicroRNAs* / genetics

Substances

  • MicroRNAs