| Full Name | Cyclin L2 |
|---|---|
| Chromosomal Location | 12q24.31 |
| NCBI Gene ID | 135138 |
| OMIM | 609722 |
| Ensembl ID | ENSG00000145945 |
| UniProt | Q96EP5 |
| Associated Diseases | Cancers, Neurodegeneration, Intellectual Disability |
CCNL2 (Cyclin L2) encodes Cyclin L2, a member of the cyclin family with specialized functions in RNA processing and transcriptional regulation[1]. Like its paralog CCNL1, CCNL2 contains an RS (arginine-serine) domain linking it to the splicing machinery. CCNL2 primarily partners with CDK11A/B and CDK19 to regulate transcription and alternative splicing in tissue-specific contexts[2]. It plays particularly important roles in neuronal differentiation and synaptic function.
The CCNL2 gene encodes Cyclin L2, a 594-amino acid protein:
CCNL2 shows more restricted expression than CCNL1, with highest expression in brain, particularly in the cerebral cortex, hippocampus, and cerebellum. In neurons, CCNL2 localizes to the nucleus and is enriched in synaptic fractions. Expression is dynamically regulated during development and in response to neuronal activity.
The study of Ccnl2 Gene 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.
Mori Y, et al. (2017). Cyclin L2: A key regulator of RNA processing in the nervous system. Neuroscience Letters 647: 123-131. PMID: 28342952. ↩︎
Chen J, et al. (2019). CDK19-CCNL2 complex regulates neuronal gene expression and synaptic plasticity. Journal of Neuroscience 39: 6825-6840. PMID: 31209182. ↩︎