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Updated: Mar 17, 2026
Novel RNA-Binding Proteins Isolation by the RaPID Methodology
Published on: September 30, 2016
RNA-binding Protein Immunoprecipitation (RIP) to Examine AUF1 Binding to Senescence-Associated Secretory Phenotype
Elise Alspach1, Sheila A Stewart2
1Departments of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, USA; ICCE Institute, Washington University School of Medicine, St. Louis, USA.
Abstract:
Immunoprecipitation and subsequent isolation of nucleic acids allows for the investigation of protein:nucleic acid interactions. RNA-binding protein immunoprecipitation (RIP) is used for the analysis of protein interactions with mRNA. Combining RIP with quantitative real-time PCR (qRT-PCR) further enhances the RIP technique by allowing for the quantitative assessment of RNA-binding protein interactions with their target mRNAs, and how these interactions change in different cellular settings. Here, we describe the immunoprecipitation of the RNA-binding protein AUF1 with several different factors associated with the senescence-associated secretory phenotype (SASP) (Alspach and Stewart, 2013), specifically IL6 and IL8. This protocol was originally published in Alspach et al. (2014).
