Cyclin E2 mRNA 3' untranslated region (CCNE2 mRNA 3' UTR)

The CCNE2 mRNA 3' untranslated region (3' UTR) is a critical regulatory segment of the messenger RNA encoding Cyclin E2, a protein essential for the G1/S phase transition in the cell cycle. This region contains multiple binding sites for microRNAs (miRNAs) and RNA-binding proteins that dictate the stability and translation efficiency of the CCNE2 transcript (Caldon et al., 2013, PubMed). In many cancers, including breast and lung cancer, the loss of inhibitory miRNA binding or the shortening of the 3' UTR leads to the overexpression of Cyclin E2, which drives uncontrolled cellular proliferation and contributes to endocrine therapy resistance (Balko et al., 2014, Nature Medicine). As a therapeutic target, the CCNE2 mRNA 3' UTR is primarily addressed using miRNA mimics or antisense oligonucleotides designed to restore translational repression or induce transcript degradation. By modulating this regulatory node, researchers aim to arrest the cell cycle in malignant cells and sensitize tumors to existing chemotherapeutic or endocrine agents.

Other names

CCNE2 3'-UTRCyclin E2 3'-UTRCCNE2 three prime untranslated region

MicroRNA-mediated gene silencing, mRNA degradation, Translational inhibition