Kmt2A — Lysine Methyltransferase 2A is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
| KMT2A Gene | |
|---|---|
| Full Name | MLL1 (Mixed-Lineage Leukemia 1) |
| Chromosome | 11q23.3 |
| NCBI Gene ID | 4297 |
| OMIM | 159555 |
| Ensembl ID | ENSG00000118058 |
| UniProt ID | Q16586 |
| Description | Histone H3K4 methyltransferase, epigenetic regulator of gene transcription |
| Associated Diseases | Alzheimer's Disease, Parkinson's Disease, Huntington's Disease, AML |
KMT2A (also known as MLL1) is a histone H3K4 methyltransferase that plays a critical role in epigenetic regulation of gene expression. It is part of the COMPASS complex that catalyzes H3K4 trimethylation, a mark associated with transcriptional activation. In the nervous system, KMT2A regulates genes involved in neuronal development, synaptic plasticity, and memory formation. Dysregulation of KMT2A has been implicated in several neurodegenerative diseases through altered epigenetic control of neuronal survival genes.
The KMT2A gene encodes a protein that plays important roles in Alzheimer's Disease, Parkinson's Disease. This protein is involved in epigenetic regulation and transcriptional control mechanisms essential for normal neuronal function and survival.
KMT2A is widely expressed in the human brain, with high expression in:
Expression is regulated during development and declines with age, which may contribute to age-related neurodegenerative processes.
The protein product of KMT2A performs the following molecular functions:
Therapeutic targeting of KMT2A may involve:
The study of Kmt2A — Lysine Methyltransferase 2A has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.