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Polysome Profiling: A Method for Global and Targeted Analysis of mRNA Translation

Lucilla Fabbri, Ana Luisa Dian, Céline M. Labbé, Stéphan Vagner

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Among the regulatory mechanisms that control gene expression, mRNA translation plays a fundamental role in determining the functional output of the transcriptome in cells. This is particularly relevant in immune cells, where rapid and tightly regulated translation is essential for maintaining immune homeostasis. Analyzing the translational status of transcripts, as well as the mechanisms underlying their regulation, can provide valuable insights into the key factors influencing physiological and pathological phenotypes. Here, we describe our routinely used protocol for polysome profiling, a method that enables the analysis of mRNA translation at both the individual transcript and genome-wide levels.

Original languageEnglish
Title of host publicationMethods in Molecular Biology
PublisherHumana Press Inc.
Pages241-252
Number of pages12
DOIs
Publication statusPublished - 1 Jan 2026
Externally publishedYes

Publication series

NameMethods in Molecular Biology
Volume2990
ISSN (Print)1064-3745
ISSN (Electronic)1940-6029

Keywords

  • mRNA translation
  • Polysome profiling
  • Post-transcriptional gene regulation

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