Three prime untranslated region of messenger RNA (3'-UTR of mRNA)

The three prime untranslated region (3'-UTR) of messenger RNA is the segment that follows the translation termination codon and does not code for protein. It acts as a critical regulatory region, influencing mRNA stability, localization, transport, and translation efficiency. The 3'-UTR contains binding sites for microRNAs and RNA-binding proteins that modulate gene expression post-transcriptionally. These regions can affect how much protein is produced from a transcript, the timing and location of production, and the assembly of protein complexes. The sequence, length, and structure of 3'-UTRs are highly dynamic and contribute to cell type–specific regulation. Aberrant 3'-UTR function or modification is implicated in diverse human diseases, especially cancer, inflammatory, neurodevelopmental, and cardiovascular disorders[1][2][3][4][5][6]. The 3'-UTR is not a conventional therapeutic target like a receptor, enzyme, or transporter. Rather, it is a regulatory RNA element within genes and can be a means to modulate gene expression indirectly via RNA-targeted interventions[2][4]. The entry "Target mRNA 3'-UTR" does not describe a specific molecule, protein, or canonical drug target, but a feature common to many mRNAs. It needs specification to a particular gene for meaningful targeting or structured therapeutic context[1][2][3][4][5].

Other names

Three prime UTR3' UTRmRNA 3'-UTR3′ untranslated region

Not applicable as a canonical therapeutic target. Note: Some therapies (such as antisense oligonucleotides or RNA interference approaches) use complementary sequences to bind or modify the mRNA 3'-UTR of specific genes, affecting their stability or translation.