Related Experiment Video
Updated: Sep 17, 2025

11:08
A Facile Protocol to Generate Site-Specifically Acetylated Proteins in Escherichia Coli
Published on: December 9, 2017
7.1K
Lysine Acetyltransferase 6 Complexes in Neurodevelopmental Disorders and Different Types of Cancer
Negar Mousavi1,2, Xiang-Jiao Yang3,4,5,6
1Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, Quebec, Canada. seyedeh.mousavifirouzabadi@mail.mcgill.ca.
Results and Problems in Cell Differentiation
|July 1, 2025
Summary
Lysine acetyltransferases KAT6A and KAT6B, with BRPF1, regulate development. Their dysregulation links to disorders and cancers, highlighting therapeutic potential.
Area of Science:
- Molecular Biology
- Epigenetics
- Developmental Biology
Background:
- Lysine acetylation is a key post-translational modification regulating gene expression and cellular functions.
- The MYST family lysine acetyltransferases KAT6A (MOZ/MYST3) and KAT6B (MORF/MYST4) form complexes with the epigenetic regulator BRPF1.
- These KAT6-BRPF1 complexes are crucial for hematopoietic and neural development.
Purpose of the Study:
- To investigate the structural and functional mechanisms of KAT6-BRPF1 complexes.
- To understand the role of these complexes in development and disease.
- To explore their pathological roles and therapeutic potential.
Main Methods:
- The abstract does not specify the methods used.
- Further research is needed to elucidate the specific methodologies employed in studying these complexes.
Main Results:
- Dysregulation of KAT6-BRPF1 complexes is associated with neurodevelopmental disorders (e.g., Genitopatellar syndrome) and cancers (e.g., leukemia, medulloblastoma).
- The evolutionary conservation of these complexes across species like Drosophila melanogaster and Caenorhabditis elegans highlights their fundamental biological importance.
Conclusions:
- Understanding KAT6-BRPF1 complex mechanisms is vital for insights into their involvement in diseases.
- These complexes represent potential therapeutic targets for associated disorders and cancers.
Related Concept Videos
Covalently Linked Protein Regulators
7.4K
Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an important role in the function and stability of these proteins. Covalently linked molecules include functional groups, such as methyl, acetyl, and phosphate groups, and also small proteins, such as ubiquitin. There are around 200 different types of covalent regulators that have been identified.
These groups modify specific amino acids in a protein....
These groups modify specific amino acids in a protein....
7.4K
Spreading of Chromatin Modifications
8.5K
The histone proteins in the nucleosomes are post-translationally modified (PTM) to increase or decrease access to DNA. The commonly observed PTMs are methylation, acetylation, phosphorylation, and ubiquitination of lysine amino acids in the histone H3 tail region. These histone modifications have specific meaning for the cell. Hence, they are called "histone code". The protein complex involved in histone modification is termed as "reader-writer" complex.
Writers
The writer...
Writers
The writer...
8.5K
Histone Modification
14.1K
The histone proteins have a flexible N-terminal tail extending out from the nucleosome. These histone tails are often subjected to post-translational modifications such as acetylation, methylation, phosphorylation, and ubiquitination. Particular combinations of these modifications form “histone codes” that influence the chromatin folding and tissue-specific gene expression.
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
14.1K
Epigenetic Regulation
3.1K
Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
X-chromosome...
3.1K
lncRNA - Long Non-coding RNAs
9.0K
In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
9.0K
Histone Variants at the Centromere
4.5K
Histone variants are the histone proteins with structural and sequence variations. These variants may be regarded as “mutant” forms that replace their canonical histone counterparts in the nucleosomes. Specific post-translational modifications on the histone variants enable further chromatin complexity and regulate tissue-specific gene expression. The most common histone variants are from histone H2A, H2B, and linker histone H1 families. However, several variants of histone H3...
4.5K

