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Protein EURL homolog (C21orf91)
- Target
- C21orf91
- Molecular classification
- Other (structural protein, modulator of signaling, not a receptor, enzyme, transporter, or classical transcription factor)
01
Overview
Protein EURL homolog (C21orf91) is a multifunctional gene product with pivotal roles in neural progenitor proliferation, neuronal differentiation, and dendritic spine formation in the developing cerebral cortex, with relevance to neurodevelopmental disorders such as Down Syndrome. It acts as a molecular hub, influencing cellular fate (e.g., differentiation of oligodendroglial cells and glial population balance), modulating inflammatory signaling pathways (notably affecting NF-κB activity in hepatocellular carcinoma), affecting susceptibility to viral infections (herpes simplex labialis), and contributing to tumor phenotype regulation in melanocytic neoplasms. C21orf91 is not classified as a receptor, enzyme, or common drug target; instead, it is an emerging molecular modulator with broad impact on disease pathogenesis and cellular development.
- Other names
- C21orf91EURLC21orf14C21orf38YG81CSSG1cold sore susceptibility gene 1early undifferentiated retina and lens
02
Biological functions
Neural development, especially cortical neuron differentiationDendritic spine developmentOligodendroglial precursor cell maturation and myelinationModulation of inflammatory signaling (including effects on NF-κB activity)Cutaneous viral susceptibility, specifically herpes simplex labialis (cold sores)Cell phenotype regulation in melanoma (switch between migratory and proliferative states)
03
Disease associations
Down syndrome (altered dosage leads to neural deficits)Hepatocellular carcinoma (inflammatory, metastatic behavior)Melanocytic neoplasia and melanomaCold sore susceptibility (herpes simplex virus)Intellectual disability related to DSBlood pressure regulation (suggested by association studies)
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