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Updated: Jul 1, 2026

Purification of H3 and H4 Histone Proteins and the Quantification of Acetylated Histone Marks in Cells and Brain Tissue
Published on: November 30, 2018
An improved version of the early histone HCl extraction protocol.
Geneveve Analike1, Dhanvi Prajapati1, James R Davie1
1Department of Biochemistry and Medical Genetics, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3E 0J9, Canada.
This study presents a simplified hydrochloric acid method for histone extraction, yielding histones ready for various downstream applications like gel electrophoresis and mass spectrometry.
Area of Science:
- Biochemistry
- Molecular Biology
- Proteomics
Background:
- Histone extraction is crucial for studying chromatin structure and function.
- Traditional methods using sulfuric acid are complex and can hinder histone solubilization.
- Hydrochloric acid extraction has been previously employed but less common recently.
Purpose of the Study:
- To describe a simplified and effective hydrochloric acid-based histone extraction protocol.
- To provide histones amenable to various downstream analytical techniques.
- To offer an alternative to current, more complex histone preparation methods.
Main Methods:
- Revisiting and adapting an early protocol for histone extraction using hydrochloric acid.
- The method is technically straightforward, avoiding complex steps.
- Histones are prepared for subsequent analyses.
Main Results:
- The hydrochloric acid method is technically simple to perform.
- Extracted histones are readily soluble and suitable for downstream applications.
- The protocol yields high-quality histones for proteomics and other analyses.
Conclusions:
- A simplified hydrochloric acid extraction method offers an efficient alternative for histone preparation.
- This protocol facilitates downstream analyses including gel electrophoresis and mass spectrometry.
- The method enhances accessibility to histone analysis in research settings.
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