Baculoviral IAP repeat-containing protein 5 messenger RNA 3' untranslated region (BIRC5 mRNA 3'UTR)

The BIRC5 mRNA 3'UTR is the 3' untranslated region of the transcript encoding Survivin, a member of the inhibitor of apoptosis (IAP) protein family. This region serves as a critical regulatory hub, containing multiple binding sites for microRNAs (miRNAs) and RNA-binding proteins that dictate mRNA stability and translational efficiency (NCBI Gene ID: 332). Survivin is uniquely characterized by its dual role in inhibiting apoptosis and facilitating cell division, making it indispensable for tumor cell survival and proliferation. While Survivin is highly expressed in nearly all human cancers, its expression is minimal in most normal adult tissues, which makes its mRNA a highly specific therapeutic target (UniProt: O15392). Drugs targeting the BIRC5 mRNA 3'UTR, including antisense oligonucleotides and miRNA mimics, aim to downregulate Survivin protein levels to trigger apoptosis and sensitize tumors to conventional therapies. Clinical and preclinical studies have explored these RNA-targeting strategies to overcome the 'undruggable' nature of the Survivin protein itself (PubMed: 21464304, 19808977).

Other names

Survivin mRNA 3'UTRAPI4 mRNA 3'UTRIAP4 mRNA 3'UTRBIRC5 3'-untranslated region

Antisense oligonucleotides and RNA interference (RNAi) molecules bind to the 3'UTR to induce RNase H-mediated degradation of the mRNA or to block translation by preventing the assembly of the translation initiation complex, thereby reducing the levels of the Survivin protein.