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

The Cyclin-dependent kinase 6 (CDK6) messenger RNA 3' untranslated region (3' UTR) is a critical regulatory segment of the CDK6 transcript that governs post-transcriptional gene expression [6, 15]. This region is exceptionally long and contains numerous binding sites for microRNAs (miRNAs) and RNA-binding proteins, which collectively modulate mRNA stability and translational efficiency [1, 18]. In many cancers, such as leukemias, breast cancer, and bladder cancer, the CDK6 3' UTR is a site of significant dysregulation; for instance, alternative polyadenylation can lead to 3' UTR shortening, which removes tumor-suppressive miRNA binding sites and results in the pathological overexpression of the CDK6 protein [2, 8]. Therapeutic strategies targeting this region primarily involve the use of miRNA mimics, such as miR-29 and miR-124, to restore translational repression and induce cell cycle arrest [4, 13]. Additionally, research is exploring small molecules and antisense oligonucleotides that can interact with the secondary structures of the 3' UTR to downregulate CDK6 expression, offering a potential alternative to direct protein kinase inhibitors [5, 9].

Other names

CDK6 3'-UTRCyclin-dependent kinase 6 3' untranslated regionCDK6 3-prime UTRCDK6 mRNA 3-UTR

miRNA-mediated translational repression and mRNA degradation through sequence-specific binding to the 3' UTR