| H3F3B | |
|---|---|
| Gene Symbol | H3F3B |
| Full Name | H3.3 Histone B |
| Chromosomal Location | 17q25.1 |
| NCBI Gene ID | 3021 |
| Ensembl ID | ENSG00000183520 |
| OMIM ID | 601058 |
| UniProt ID | P84243 |
| Associated Diseases | Neurodevelopmental Disorders, Gliomas, Rett Syndrome |
| Protein Family | H3 histone family (Replication-independent histone variant) |
H3F3B H3.3 Histone B is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
H3F3B encodes histone H3.3B, a paralog of H3.3 that is deposited into chromatin via different chaperone complexes. Like H3F3A, H3.3B is a replication-independent histone variant incorporated into chromatin throughout the cell cycle. In the brain, H3.3B is dynamically regulated during development and in response to neuronal activity, contributing to activity-dependent gene expression and synaptic plasticity. H3.3B maintains neuronal identity by stabilizing transcriptional programs and protecting against aberrant methylation. Mutations and altered expression of H3F3B are linked to Rett syndrome, intellectual disability, and brain tumors. The protein is essential for proper neuronal function, and its dysregulation contributes to neurodegenerative processes through epigenetic mechanisms.
This page provides comprehensive information about the subject's role in neurodegenerative diseases. The subject participates in various molecular pathways and cellular processes relevant to Alzheimer's disease, Parkinson's disease, and related conditions.
The H3F3B gene encodes a protein involved in key cellular processes relevant to neuronal function and survival. This protein plays important roles in transcriptional regulation, chromatin dynamics, and cellular signaling pathways that are critical for proper brain function.
Pathogenic variants in H3F3B are associated with several neurological conditions, including spinocerebellar ataxias, neurodevelopmental disorders, and neurodegenerative diseases. The gene's normal function in transcriptional control and chromatin regulation becomes disrupted in these disease states.
H3F3B is expressed in various brain regions, with particularly high expression in areas involved in motor control, learning, and memory. The gene shows cell-type specific expression patterns in neurons and glia.
The study of H3F3B H3.3 Histone B 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.