B-cell lymphoma 2 mRNA 3' untranslated region (BCL2 mRNA 3' UTR)

The B-cell lymphoma 2 (BCL2) mRNA 3' untranslated region (UTR) is a significant regulatory element that governs the expression of the BCL2 protein, a key inhibitor of apoptosis. This region contains numerous binding sites for microRNAs, such as the miR-15a/16-1 cluster, and various RNA-binding proteins (RBPs) that influence mRNA stability and translation efficiency. In many malignancies, particularly B-cell lymphomas and chronic lymphocytic leukemia, BCL2 is overexpressed due to the loss of these regulatory microRNAs or alterations within the 3' UTR, allowing cancer cells to evade programmed cell death. Consequently, the BCL2 mRNA 3' UTR has emerged as a therapeutic target for RNA-based interventions, including microRNA mimics and antisense oligonucleotides, aimed at restoring normal apoptotic pathways and enhancing the efficacy of conventional chemotherapies.

Other names

BCL2 3'-UTRB-cell CLL/lymphoma 2 mRNA 3' untranslated regionBCL2 3' untranslated region

Antisense inhibition, RNA interference (RNAi), microRNA-mediated gene silencing, and modulation of RNA-binding protein interactions to decrease BCL2 protein expression.