Histone deacetylase 4 mRNA 3'-untranslated region (HDAC4 mRNA 3'-UTR)

The Histone deacetylase 4 (HDAC4) mRNA 3'-untranslated region (3'-UTR) is a critical regulatory segment of the HDAC4 transcript that governs the post-transcriptional expression of the HDAC4 protein (Chen et al., 2006, Nature Genetics). This region contains multiple binding sites for microRNAs (miRNAs), such as miR-1, miR-206, and miR-140, which act to repress HDAC4 translation or promote mRNA degradation (Williams et al., 2009, Science). HDAC4 itself is a Class IIa histone deacetylase that shuttles between the nucleus and cytoplasm, playing a pivotal role in chromatin remodeling, muscle differentiation, and neuronal survival. Dysregulation of the HDAC4 3'-UTR-mediated control is implicated in various pathologies, including Huntington's disease, where elevated HDAC4 levels contribute to neurotoxicity, and several cancers where loss of regulatory miRNAs leads to HDAC4 overexpression (Mielcarek et al., 2013, PLOS Biology; Sana et al., 2012, Journal of Translational Medicine). Consequently, the HDAC4 3'-UTR is an emerging therapeutic target for RNA-based interventions, including miRNA mimics and antisense oligonucleotides (ASOs), designed to modulate HDAC4 protein levels for treating neurodegenerative and oncological conditions. Targeting this region offers a more specific approach to modulating HDAC4 compared to broad-spectrum small molecule HDAC inhibitors, though challenges remain regarding delivery and off-target effects.

Other names

HDAC4 3'-UTRHDAC4 3-prime UTRHistone deacetylase 4 3-untranslated region

RNA interference and antisense-mediated degradation or translational inhibition