Angel homolog 1 (ANGEL1)

Angel homolog 1 (ANGEL1) is a member of the CCR4 deadenylase family and serves as a modulator of post-transcriptional gene regulation, with specialized binding activity to eukaryotic initiation factor 4E (eIF4E). ANGEL1 is localized in various cellular compartments such as the endoplasmic reticulum, cis-Golgi network, perinuclear region, and mitochondrial outer membrane. It plays a role in selective mRNA stability regulation rather than general protein synthesis. Experimental evidence indicates that peptides derived from its eIF4E-binding motif can induce necrotic cell death specifically in epithelial cancer cell lines, positioning ANGEL1 as a candidate for targeted anti-cancer strategies. The gene is also associated with familial arrhythmogenic right ventricular dysplasia, but its primary molecular role centers on mRNA metabolism. ANGEL1 is evolutionarily conserved and grouped with other deadenylases such as PARN and Nocturnin, and its functions extend to fine-tuning gene expression at the post-transcriptional level.

Other names

CCR4EKIAA0759Protein angel homolog 1Ccr4eANGE1_HUMAN

Peptide derived from ANGEL1 induces rapid necrotic cell death, likely via inhibition or disruption of eIF4E interaction and post-transcriptional mRNA regulation. Broadly, modulation of deadenylase activity leading to altered mRNA stability.