关键词: Purification RNA-Seq RNP granule Single molecule FISH Stress granule

Mesh : Animals In Situ Hybridization, Fluorescence / methods Mammals / genetics RNA, Messenger / genetics Ribonucleoproteins / genetics Sequence Analysis, RNA Single Molecule Imaging / methods Stress, Physiological / genetics

来  源:   DOI:10.1016/j.ymeth.2017.11.012

Abstract:
Stress granules are dynamic, conserved non-translating RNA-protein assemblies that form during cellular stress and are related to pathological aggregates in many neurodegenerative diseases. Mammalian stress granules contain stable structures, referred to as \"cores\" that can be biochemically purified. Herein, we describe a step-by-step guide on how to isolate RNA from stress granule cores for RNA-Seq analysis. We also describe a methodology for validating the RNA-Seq results by single molecule FISH and how to quantify the single molecule FISH results. These protocols provide a starting point for describing the RNA content of stress granules and may assist in the discovery of the assembly mechanisms and functions of stress granules in a variety of biological contexts.
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