Mitogen-activated protein kinase kinase kinase 7-interacting protein 2 mRNA 3' untranslated region (TAB2 mRNA 3'UTR) (TAB2 mRNA 3'UTR)

The Mitogen-activated protein kinase kinase kinase 7-interacting protein 2 (TAB2) mRNA 3' untranslated region (3'UTR) is a critical regulatory segment of the TAB2 transcript that controls protein expression through post-transcriptional mechanisms (UniProt Q9NYJ8). TAB2 serves as an essential adapter protein in the Toll-like receptor and cytokine signaling pathways, facilitating the activation of the TAK1 (MAP3K7) complex and subsequent NF-kappaB and MAPK signaling (PubMed: 19380456). The 3'UTR contains multiple conserved binding sites for microRNAs, most notably miR-155, which acts as a negative regulator of TAB2 expression to fine-tune inflammatory responses and prevent excessive signaling (Ceppi et al., 2009). Dysregulation of this region or the loss of miRNA-mediated control is associated with chronic inflammatory diseases and various malignancies, such as breast and colorectal cancer, where TAB2 overexpression promotes tumor cell survival and metastasis (PubMed: 21430714). Therapeutic strategies targeting the TAB2 3'UTR, including microRNA mimics or antisense oligonucleotides, aim to suppress TAB2 expression to dampen pathological NF-kappaB activation. This target represents a novel approach to modulating the TAK1 signaling axis in oncology and immunology.

Other names

MAP3K7IP2 mRNA 3'UTRTAB2 3'UTRMAP3K7-binding protein 2 3' untranslated regionMitogen-activated protein kinase kinase kinase 7-interacting protein 2 3'UTR

MicroRNA-mediated gene silencing and translational repression of TAB2 protein expression by binding to the 3' untranslated region (PubMed: 19380456).