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RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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RNA Interference Ex Vivo.

Shuang Liu1

  • 1Department of Pharmacology, Ehime University Graduate School of Medicine, Toon, Ehime, Japan. liussmzk@m.ehime-u.ac.jp.

Methods in Molecular Biology (Clifton, N.J.)
|January 25, 2024
PubMed
Summary
This summary is machine-generated.

RNA interference (RNAi) offers precise gene silencing for rheumatoid arthritis (RA) research. This chapter details methods for gene silencing in T cells using small interfering RNA (siRNA) and short hairpin RNA (shRNA) for therapeutic targets.

Keywords:
Gene silencingLentiviral-mediated deliveryRNA interferenceT cellsTransfection

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Area of Science:

  • Molecular Biology
  • Immunology
  • Pharmacology

Background:

  • RNA interference (RNAi) is a specific gene and protein expression regulation technique.
  • Rheumatoid arthritis (RA) preclinical research benefits from gene silencing in immune cells.
  • Small interfering RNA (siRNA) and short hairpin RNA (shRNA) are key RNAi tools.

Purpose of the Study:

  • To introduce basic gene silencing techniques in human T cells for RA research.
  • To demonstrate siRNA and shRNA delivery methods for targeting therapeutic genes.

Main Methods:

  • Liposome-dependent siRNA transfection for gene silencing.
  • Lentiviral-mediated shRNA delivery for sustained gene silencing.
  • Application in human-derived peripheral T cells.

Main Results:

  • Successful gene silencing of therapeutic targets in primary immune cells.
  • Demonstration of effective siRNA and shRNA delivery in T cells.
  • Advancement in preclinical RA research methodologies.

Conclusions:

  • RNAi techniques, including siRNA and shRNA, are valuable for RA gene silencing studies.
  • Liposomal and lentiviral delivery systems are effective for T cell gene modification.
  • These methods facilitate the exploration of novel therapeutic targets in RA.