**Background**
Glyoxalase 1 (GLO1) is a critical enzyme in the glyoxalase system, responsible for the detoxification of methylglyoxal, a reactive byproduct of glycolysis. The accumulation of methylglyoxal leads to the formation of advanced glycation end-products (AGEs), which are associated with various pathological conditions, including diabetic complications and certain types of malignancy. Consequently, the modulation of GLO1 activity has become a significant area of research for developing therapeutic strategies to induce oxidative stress or metabolic dysfunction in target cells. In this context, we will introduce a GLO1 inhibitor – 2-Dimethylaminophenol.
**Definition**
2-Dimethylaminophenol is a small molecule inhibitor of human glyoxalase 1 (GLO1) with a molecular weight of 137.18 and the chemical formula C8H11NO.
**In Vitro Studies**
Regarding the 2-Dimethylaminophenol description, this compound acts as a metal-binding isostere of 8-hydroxyquinoline. It disrupts metal binding within the enzyme’s active site by substituting the pyridine nitrogen donor with a dimethylamino group. In terms of 2-Dimethylaminophenol biological activity, in vitro assays have demonstrated its selectivity toward GLO1. Specifically, 2-Dimethylaminophenol (200 μM; 15-20 min) inhibits the activity of recombinant human GLO1 by 36% at a concentration of 200 μM. Furthermore, the compound shows high specificity, as 2-Dimethylaminophenol (200 μM; 30 min) exhibits no significant inhibitory effect on recombinant human MMP-2, and 2-Dimethylaminophenol (200 μM; 15 min) exerts no significant inhibitory effect on recombinant human hCAII at the same concentration of 200 μM. In conclusion, 2-Dimethylaminophenol is a selective inhibitor of human GLO1 that disrupts essential metal binding.
Keywords
2-Dimethylaminophenol, 3743-22-4, Glyoxalase (GLO), recombinant human MMP-2, human glyoxalase 1, recombinant human hCAII, MMP-2, GLO1, matrix metalloproteinase-2, recombinant human GLO1, Inhibitor, inhibitor, inhibit
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