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Immunoprecipitation

Immunoprecipitation

Immunoprecipitation, or IP, is a widely used technique that employs protein-antibody interactions to isolate proteins or protein complexes in their native state for studying protein-protein interactions, quaternary structures, or supramolecular complexes. Various modifications of the technique, including chromatin IP, cross-linking IP, and fluorescence IP, are commonly used.
Chromatin Immunoprecipitation
Chromatin immunoprecipitation, also known as ChIP, is used to study protein-DNA or...

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Related Experiment Video

Updated: Jun 30, 2025

Method for the Isolation and Identification of mRNAs, microRNAs and Protein Components of Ribonucleoprotein Complexes from Cell Extracts using RIP-Chip

Method for the Isolation and Identification of mRNAs, microRNAs and Protein Components of Ribonucleoprotein Complexes from Cell Extracts using RIP-Chip

Published on: September 29, 2012

Immunoprecipitation Methods to Isolate Messenger Ribonucleoprotein Complexes (mRNP).

Hassan Hayek¹, Lauriane Gross¹, Fatima Alghoul¹

¹Architecture et Réactivité de l'ARN, Centre National de la Recherche Scientifique, Institut de Biologie Moléculaire et Cellulaire, Université de Strasbourg, Strasbourg, France.

Advances in Experimental Medicine and Biology

|March 20, 2024

Summary

Messenger RNAs (mRNAs) form ribonucleoprotein (mRNP) complexes with proteins throughout their life cycle. This study explores protein-centric immunoprecipitation methods for identifying these dynamic mRNP complexes and understanding gene expression control.

Keywords:

Crosslinking Messenger ribonucleoprotein complexes Protein-RNA interactions RNA immunoprecipitation

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Identification of Footprints of RNA:Protein Complexes via RNA Immunoprecipitation in Tandem Followed by Sequencing RIPiT-Seq

Published on: July 10, 2019

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Last Updated: Jun 30, 2025

Method for the Isolation and Identification of mRNAs, microRNAs and Protein Components of Ribonucleoprotein Complexes from Cell Extracts using RIP-Chip

Method for the Isolation and Identification of mRNAs, microRNAs and Protein Components of Ribonucleoprotein Complexes from Cell Extracts using RIP-Chip

Published on: September 29, 2012

Isolation of Cognate RNA-protein Complexes from Cells Using Oligonucleotide-directed Elution

Isolation of Cognate RNA-protein Complexes from Cells Using Oligonucleotide-directed Elution

Published on: January 16, 2017

Identification of Footprints of RNA:Protein Complexes via RNA Immunoprecipitation in Tandem Followed by Sequencing RIPiT-Seq

Identification of Footprints of RNA:Protein Complexes via RNA Immunoprecipitation in Tandem Followed by Sequencing RIPiT-Seq

Published on: July 10, 2019

Area of Science:

Molecular Biology
Gene Expression Regulation
Proteomics

Background:

Messenger RNAs (mRNAs) interact with proteins to form messenger ribonucleoprotein (mRNP) complexes.
These mRNP complexes are essential for mRNA biogenesis, localization, translation, and decay.
The dynamic composition and structural remodeling of mRNPs are critical for controlling gene expression.

Purpose of the Study:

To review and describe various protein-centric immunoprecipitation methods.
To highlight the requirements for experimental settings in studying endogenous mRNP complexes.
To facilitate the identification and characterization of mRNP complexes.

Main Methods:

Protein-centric immunoprecipitation techniques.
Analysis of endogenous mRNP complex composition.
Review of experimental requirements for mRNP studies.

Main Results:

A variety of protein-centric immunoprecipitation methods are available for mRNP identification.
Specific experimental settings are crucial for successful mRNP complex analysis.
These methods enable the study of dynamic mRNP composition.

Conclusions:

Studying the endogenous composition of mRNP complexes presents a significant challenge.
Protein-centric immunoprecipitation offers valuable approaches for mRNP identification.
Understanding mRNP dynamics is key to unraveling gene expression regulation.