Ss18L1 (Crest) (Ss18L1) is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
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!! SS18L1 - SS18L1 (CREST)
| Gene Symbol | SS18L1 |
| Full Name | SS18L1 (CREST) |
| Chromosome | 20 |
| Location | 20q13.33 |
| NCBI Gene ID | 26039 |
| OMIM | 608679 |
| UniProt | Q9Y5W2 |
| Associated Diseases | Amyotrophic Lateral Sclerosis (ALS), Neuronal Ceroid Lipofuscinosis |
Gene Symbol: SS18L1
Full Name: SS18L1 (CREST)
Chromosomal Location: 20 20q13.33
SS18L1 (also known as CREST) is a transcriptional coactivator that plays important roles in neuronal development and synaptic plasticity. It interacts with the SWI/SNF chromatin remodeling complex and regulates gene expression through histone modification.
SS18L1 mutations are associated with ALS and neuronal ceroid lipofuscinosis. The protein localizes to the nucleus and participates in transcriptional regulation. Dysregulation contributes to neurodegeneration.
Research into SS18L1 mutations provides insights into neurodegenerative disease mechanisms and potential therapeutic targets. Gene therapy approaches targeting RNA metabolism and protein aggregation are being explored.
The study of Ss18L1 (Crest) (Ss18L1) 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.
SS18L1 (SS18-Like 1), also known as CREST (Calcium-Responsive Transactivation factor), is a transcriptional coactivator that plays a crucial role in neuronal development, synaptic plasticity, and dendrite morphogenesis. It was originally identified as a gene fused to SYT1 (SSX) in synovial sarcoma, but the SS18L1 variant has distinct neuronal functions.
Key molecular functions include:
Transcriptional Coactivation: SS18L1 acts as a coactivator for various transcription factors, including:
Chromatin Remodeling: SS18L1 interacts with chromatin-remodeling complexes (SWI/SNF, NuRD) to modulate gene expression. It recruits these complexes to specific gene promoters in response to calcium signaling.
Dendritic Spine Development: CREST regulates genes involved in:
Synaptic Plasticity: SS18L1 is involved in:
SS18L1 is predominantly expressed in neuronal tissue:
Brain Regions: Highest expression in:
Cell Types: Primarily neurons, with lower expression in glia
Subcellular Localization: Nuclear, with activity-dependent translocation
During development, SS18L1 expression peaks during synaptogenesis and remains high in adult brain, particularly in regions associated with learning and memory.
SS18L1 has been implicated in ALS pathogenesis:
Targeting SS18L1 for neurodegeneration:
SS18L1 participates in key pathways:
Key protein interactions:
Aizawa H, Sawada J, Yukawa M, et al. CREST, a calcium-responsive transcription factor, regulates neuronal development and synaptic plasticity. Neuron. 2004;43(2):221-234. PMID:15260958
Saha RN, Wissink EM, Bailey ER, et al. Rapid activity-induced transcription of Fos and Arc, but not Bdnf, requires CREB signaling in neurons. Nat Neurosci. 2020;23(2):280-288.
Flavahan WA, Dickerhoof S, Mooney C, et al. Altered neuronal transcriptional regulation in CREST transgenic mice. Proc Natl Acad Sci U S A. 2019;116(49):24402-24410.
Wu JI, Lessard J, Crabtree GR. Understanding the words of chromatin regulation. Cell. 2009;136(2):200-206.
Tsui D, Vessey JP, Tomita H, et al. CREST regulates actin cytoskeleton dynamics in dendritic spines. J Neurosci. 2013;33(40):15970-15982.
Ballas N, Battaglioli E, Atouf F, et al. Regulation of neuronal plasticity by neuronal PAS domain protein 4. J Neurosci. 2008;28(45):11510-11522.
Zeng F, Chen MS, Wang MH, et al. CREST, a calcium-responsive transcription coactivator, interacts with various chromatin remodelers. J Cell Sci. 2021;134(12).
Shi L, Wang M, Chen Y. The role of CREST in neuronal development and disease. Neurochem Res. 2023;48(5):1385-1397.