Mitogen-activated protein kinase kinase kinase 3 mRNA 3' untranslated region (MAP3K3 mRNA 3' UTR)

The MAP3K3 mRNA 3' untranslated region (3' UTR) is a critical regulatory segment of the transcript encoding Mitogen-activated protein kinase kinase kinase 3 (MAP3K3), also known as MEKK3 (UniProt: Q99759). This region serves as a platform for the binding of microRNAs and RNA-binding proteins that modulate mRNA stability and translation, thereby controlling the cellular levels of the MAP3K3 protein. MAP3K3 is a key mediator in several signaling pathways, including the p38 MAPK and NF-kappaB pathways, and is essential for cardiovascular development and the maintenance of vascular integrity (Tang et al., 2017, Circulation Research). In diseases such as Cerebral Cavernous Malformations (CCM), the loss of the CCM protein complex leads to the pathological overactivation of the MEKK3-KLF2/4 signaling axis, driving the formation of vascular lesions (Zhou et al., 2016, Nature). Consequently, the MAP3K3 mRNA 3' UTR has emerged as a therapeutic target for RNA-based interventions, such as antisense oligonucleotides (ASOs), designed to reduce MAP3K3 expression and restore vascular homeostasis. While promising, therapeutic targeting of this region must navigate challenges related to off-target effects and the potential disruption of the essential physiological roles of MAP3K3 in non-target tissues.

Other names

MEKK3 mRNA 3' UTRMAP3K3 3' UTRMitogen-activated protein kinase kinase kinase 3 3' untranslated region

Antisense-mediated mRNA degradation via RNase H or RNA interference via the RISC complex