BMI1 proto-oncogene, polycomb ring finger messenger RNA 3' untranslated region (BMI1 mRNA 3'UTR)

BMI1 (B lymphoma Mo-MLV insertion region 1) is a core component of the Polycomb Repressive Complex 1 (PRC1), essential for epigenetic silencing and the maintenance of somatic and cancer stem cells (Source: UniProt P35226). The 3' untranslated region (3'UTR) of the BMI1 mRNA serves as a critical regulatory hub, containing sequences that dictate mRNA stability and translation rates (Source: PubMed PMID 28819230). Overexpression of BMI1 is linked to poor prognosis in various malignancies, including glioblastoma and leukemia, where it promotes cell survival and chemoresistance (Source: PubMed PMID 31515464). Therapeutic targeting of the BMI1 mRNA 3'UTR involves small molecules, such as PTC596, which bind to the 3'UTR to selectively inhibit translation and reduce BMI1 protein levels (Source: PTC Therapeutics). This post-transcriptional modulation leads to the depletion of BMI1, subsequently inducing apoptosis and reducing the self-renewal capacity of cancer stem cells (Source: PubMed PMID 30217980). Clinical development of these inhibitors focuses on their potential to overcome resistance to standard-of-care treatments in aggressive tumors (Source: ClinicalTrials.gov NCT02404480).

Other names

B lymphoma Mo-MLV insertion region 1 homolog messenger RNA 3' untranslated regionRNF51 mRNA 3'UTRPCGF4 mRNA 3'UTRBMI1 3' untranslated region

Small molecule binding to the 3'UTR of BMI1 mRNA to selectively inhibit translation and promote transcript degradation, resulting in the depletion of BMI1 protein.