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Purification of H3 and H4 Histone Proteins and the Quantification of Acetylated Histone Marks in Cells and Brain Tissue
Published on: November 30, 2018
Loss of HDAC5 impairs memory function: implications for Alzheimer's disease
Roberto Carlos Agis-Balboa1, Zsuzsa Pavelka, Cemil Kerimoglu
1Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Göttingen, Germany. r.balboa@gwdg.de
Journal of Alzheimer'S Disease : JAD
|August 24, 2012
Summary
Loss of HDAC5 impairs memory function in mice, suggesting it is not a viable therapeutic target for Alzheimer's disease (AD) treatment. Future selective HDAC inhibitors should avoid targeting HDAC5 for AD.
Area of Science:
- Neuroscience
- Epigenetics
- Molecular Biology
Background:
- Epigenetic mechanisms, including histone acetylation, are crucial for learning, memory, and neurodegenerative disease pathogenesis like Alzheimer's disease (AD).
- Histone deacetylase (HDAC) inhibitors show potential for treating brain diseases, but their specific roles in the adult brain remain unclear.
- Current preclinical studies predominantly use broad-acting pan-HDAC inhibitors, highlighting the need to understand individual HDAC functions for targeted therapies.
Purpose of the Study:
- To investigate the specific role of Histone Deacetylase 5 (HDAC5) in memory function and Alzheimer's disease (AD) pathogenesis.
- To determine if targeting HDAC5 could be a viable therapeutic strategy for AD.
- To inform the development of selective HDAC inhibitors for treating cognitive disorders.
Main Methods:
- Utilized a mouse model to study the effects of HDAC5 loss on memory.
- Assessed the impact of HDAC5 deficiency on amyloid pathology in the context of AD.
- Analyzed the specific functions of HDAC5 in memory consolidation processes.
Main Results:
- Loss of HDAC5 significantly impairs memory function in the studied mouse model.
- Reduced HDAC5 levels had minimal impact on the progression of amyloid pathology, a key feature of AD.
- HDAC5 plays a critical role in memory consolidation.
Conclusions:
- HDAC5 is essential for normal memory function, particularly memory consolidation.
- Targeting HDAC5 is unlikely to be an effective therapeutic strategy for Alzheimer's disease.
- Future development of selective HDAC inhibitors for AD should focus on other HDAC family members.
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