Cyclin-dependent kinase 6 mRNA 3' untranslated region (CDK6 mRNA 3' UTR) (CDK6 mRNA 3' UTR)

The Cyclin-dependent kinase 6 (CDK6) mRNA 3' untranslated region (UTR) is a critical regulatory segment of the CDK6 transcript that governs the stability and translation efficiency of the mRNA (NCBI Gene ID: 1021). This region contains multiple binding sites for microRNAs (miRNAs), such as miR-124 and miR-107, which act as natural tumor suppressors by downregulating CDK6 expression (PubMed PMID: 25605118, 23536448). CDK6 itself is a key driver of the cell cycle, specifically facilitating the transition from the G1 to the S phase by phosphorylating the retinoblastoma (Rb) protein (UniProt P35585). In various malignancies, including leukemia, glioblastoma, and medulloblastoma, the regulatory control exerted through this 3' UTR is often disrupted—either through miRNA downregulation or genetic alterations in the UTR itself—leading to the pathological overexpression of CDK6 and uncontrolled cell proliferation (PubMed PMID: 21860410). Consequently, the CDK6 mRNA 3' UTR is an attractive target for RNA-based therapeutic interventions, such as miRNA mimics or antisense oligonucleotides, designed to restore normal regulatory control and suppress oncogenic signaling. Unlike small molecule inhibitors that target the CDK6 protein's kinase activity, targeting the 3' UTR offers a distinct approach to reduce the total protein pool at the source.

Other names

CDK6 3' UTR3' untranslated region of Cyclin-dependent kinase 6CDK6 mRNA 3-prime untranslated region

Binding of regulatory RNAs or oligonucleotides to the 3' UTR facilitates the recruitment of the RNA-induced silencing complex (RISC), leading to mRNA cleavage or translational repression.