O-GlcNAcylation Regulates Tyrosine Hydroxylase Serine 40 Phosphorylation and L-Dopa Levels

O-GlcNAcylation Regulates Tyrosine Hydroxylase Serine 40 Phosphorylation and L-DOPA Levels Research Background In the nervous system, dopamine is a key neurotransmitter, and the rate-limiting enzyme in its synthesis pathway is tyrosine hydroxylase (TH). The activity of TH is regulated by various post-translational modifications (PTMs), among which ...

FBXO31-mediated ubiquitination of OGT maintains O-GlcNAcylation homeostasis to restrain endometrial malignancy

Research Background and Problem Introduction Protein O-GlcNAc glycosylation is an important post-translational modification that plays a critical role in cellular metabolic plasticity. Aberrant O-GlcNAc glycosylation levels have been observed in various cancers, including endometrial cancer (EC), a common malignancy in women. However, clinical char...