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Chromatin Immunoprecipitation- ChIP

Chromatin Immunoprecipitation- ChIP

Chromatin immunoprecipitation, or ChIP, is an antibody-based technique used to identify sites on DNA that bind to transcription factors of interest or histone proteins. It also helps determine the type of histone modifications such as acetylation, phosphorylation, or methylation.
Types of ChIP
ChIP can be divided into two types - X-ChIP and N-ChIP. X-ChIP involves in vivo cross-linking of histones and regulatory proteins to DNA, fragmenting the DNA by sonication, and isolating the protein-DNA...

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Related Experiment Video

Updated: Apr 25, 2026

Chromatin Immunoprecipitation ChIP Protocol for Low-abundance Embryonic Samples

Chromatin Immunoprecipitation ChIP Protocol for Low-abundance Embryonic Samples

Published on: August 29, 2017

cgChIP: a cell type- and gene-specific method for chromatin analysis.

Marios Agelopoulos¹, Daniel J McKay, Richard S Mann

¹Department of Biochemistry and Molecular Biophysics, Columbia University Medical Center, HHSC 1104, 701 West 168th Street, New York, NY, 10032, USA.

Methods in Molecular Biology (Clifton, N.J.)

|August 25, 2014

Summary

Researchers developed cell- and gene-specific Chromatin Immunoprecipitation (cgChIP) to analyze chromatin in specific cell types during development. This method reveals how transcription factors like Hox genes regulate gene expression and animal body formation.

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The ChroP Approach Combines ChIP and Mass Spectrometry to Dissect Locus-specific Proteomic Landscapes of Chromatin

The ChroP Approach Combines ChIP and Mass Spectrometry to Dissect Locus-specific Proteomic Landscapes of Chromatin

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Chromatin Interaction Analysis with Paired-End Tag Sequencing ChIA-PET for Mapping Chromatin Interactions and Understanding Transcription Regulation

Chromatin Interaction Analysis with Paired-End Tag Sequencing ChIA-PET for Mapping Chromatin Interactions and Understanding Transcription Regulation

Published on: April 30, 2012

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Last Updated: Apr 25, 2026

Chromatin Immunoprecipitation ChIP Protocol for Low-abundance Embryonic Samples

Chromatin Immunoprecipitation ChIP Protocol for Low-abundance Embryonic Samples

Published on: August 29, 2017

The ChroP Approach Combines ChIP and Mass Spectrometry to Dissect Locus-specific Proteomic Landscapes of Chromatin

The ChroP Approach Combines ChIP and Mass Spectrometry to Dissect Locus-specific Proteomic Landscapes of Chromatin

Published on: April 11, 2014

Chromatin Interaction Analysis with Paired-End Tag Sequencing ChIA-PET for Mapping Chromatin Interactions and Understanding Transcription Regulation

Chromatin Interaction Analysis with Paired-End Tag Sequencing ChIA-PET for Mapping Chromatin Interactions and Understanding Transcription Regulation

Published on: April 30, 2012

Area of Science:

Developmental Biology
Genetics
Molecular Biology

Background:

Hox genes are crucial transcriptional regulators in animal development, influencing body axis and appendage formation.
Understanding how these factors impact chromatin landscapes is essential for deciphering gene regulation during embryogenesis.
Conventional chromatin analysis methods lack cell-type specificity in heterogeneous developing embryos.

Purpose of the Study:

To develop a novel method for cell-type-specific analysis of chromatin composition and conformation at cis-regulatory modules (CRMs).
To investigate the role of chromatin in gene regulation by Hox transcription factors during animal development.
To apply this method to study the Hox target gene Distalless (Dll) in Drosophila embryos.

Main Methods:

Developed cell- and gene-specific Chromatin Immunoprecipitation (cgChIP), an in vivo method for analyzing chromatin in specific cell populations.
cgChIP allows analysis of chromatin structure (e.g., DNA interactions) and composition (histones, modifications, transcription factors, modifiers).
Applied cgChIP to study the Hox target gene Distalless (Dll) in Drosophila embryos.

Main Results:

Demonstrated cgChIP's capability to analyze chromatin in a cell type-specific manner using Drosophila embryos.
Successfully accessed and analyzed regulatory chromatin associated with the Distalless (Dll) gene.
Provided insights into the mechanisms by which Hox factors influence chromatin landscapes and gene expression during development.

Conclusions:

cgChIP is a powerful tool for dissecting cell-type-specific gene regulation and chromatin dynamics in developing animals.
The method can be applied to diverse animal models to understand CRM-dependent gene regulation and body formation.
This approach enhances our understanding of the interplay between transcription factors, chromatin, and developmental processes.