Phosphatases

Phosphatases are critical enzymes that regulate a wide range of cellular processes by removing phosphate groups from proteins, lipids, and other molecules. They play a central role in signal transduction, cell cycle regulation, and apoptosis. Aberrations in phosphatase activity are implicated in various diseases, including cancer, diabetes, and neurodegenerative disorders.

Small molecules and biologics designed to modulate phosphatase activity have shown potential in preclinical and clinical settings. Advances in high-throughput screening technologies, along with a deeper understanding of phosphatase structure and function, have accelerated the discovery of selective inhibitors. However, the complex regulation of phosphatases, often involving multiple isoforms and interacting partners, adds difficulty to identifying effective therapeutics.

Our service utilizes advanced fluorescence intensity techniques to measure phosphatase activity with precision. 6,8-Difluoro-4-methylumbelliferyl phosphate (DiFMUP) is a fluorescent substrate that is hydrolyzed by phosphatases from a non-fluorescent form into highly fluorescent umbelliferone. The resulting fluorescence change is quantified with a fluorescence plate reader to assess phosphatase activity and inhibitor effects.