Glucose-6-phosphatase catalytic subunit mRNA 3'-untranslated region (G6PC mRNA 3'-UTR)

The G6PC mRNA 3'-untranslated region (3'-UTR) is a non-coding regulatory segment of the messenger RNA that encodes the glucose-6-phosphatase catalytic subunit, the enzyme responsible for the final step of both gluconeogenesis and glycogenolysis in the liver and kidneys. This region serves as a scaffold for various regulatory elements, including AU-rich elements (AREs) and binding sites for microRNAs such as miR-494 and miR-122, which collectively dictate the stability and translational efficiency of the G6PC transcript. In metabolic disorders like Type 2 diabetes, G6PC is frequently overexpressed, contributing to excessive hepatic glucose output and hyperglycemia; consequently, the 3'-UTR is a primary target for antisense oligonucleotides (ASOs) and RNA interference (RNAi) therapies designed to trigger mRNA degradation and lower blood sugar. Conversely, genetic polymorphisms within this region, such as rs2229611, can impair mRNA stability and are associated with an increased risk or severity of Glycogen Storage Disease type Ia (GSD-Ia). Therapeutic strategies targeting this region aim to modulate glucose production by either silencing the endogenous transcript in overactive states or optimizing the stability of synthetic mRNA for replacement therapies in deficiency states.

Other names

G6Pase mRNA 3'-UTRG6PC1 mRNA 3'-UTRGlucose-6-phosphatase catalytic subunit 1 mRNA 3'-UTRG6PC 3'-untranslated region

Antisense inhibition, RNase H-mediated mRNA degradation, microRNA-mediated translational repression, and RNA interference (RNAi).