SH2B adapter protein 1 messenger RNA 3'-untranslated region (SH2B1 mRNA 3'-UTR)

The SH2B adapter protein 1 (SH2B1) messenger RNA 3'-untranslated region (3'-UTR) is a critical regulatory segment that controls the expression of the SH2B1 protein, a key scaffold involved in leptin and insulin signaling pathways (UniProt Q9NRF2). This region contains multiple binding sites for microRNAs, such as miR-96 and miR-26, which post-transcriptionally repress SH2B1 expression, thereby contributing to the development of obesity and insulin resistance (PubMed 30144101). SH2B1 itself is essential for maintaining energy homeostasis, and its deficiency is linked to severe early-onset obesity and metabolic syndrome in humans (PubMed 20531471). As a therapeutic target, the SH2B1 3'-UTR is being investigated for RNA-based interventions, specifically antisense oligonucleotides (ASOs) that act as target site blockers to prevent microRNA-mediated silencing. By inhibiting these regulatory interactions, these experimental therapies aim to upregulate SH2B1 protein levels and restore sensitivity to metabolic hormones. This approach is particularly promising for treating genetic forms of obesity where SH2B1 levels are insufficient. However, challenges remain regarding the precise delivery of these agents to the hypothalamus and the potential for off-target effects within the transcriptome.

Other names

SH2B1 3'-UTRSH2B adapter protein 1 3'-UTRPSM 3'-UTRSH2B1 mRNA 3-prime untranslated region

Antisense-mediated inhibition of microRNA binding to increase protein translation