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The vanadium complex VO-OHpic is a potent, reversible, allosteric inhibitor of phosphatase and tensin homologue deleted on chromosome 10 (PTEN) which hydrolyzes the 3-phosphate from phosphatidylinositol 3,4,5-trisphosphate (PIP3). PIP3, formed from PI(4,5)P2 though phosphorylation by PI 3-kinase, activates numerous signaling pathways resulting in cell proliferation, growth, survival, glucose transport and protein synthesis. VO-OHpic is reported to be selective for PTEN (IC50~35 nM) compared with other cysteine-based phosphatases (PTPβ, SAC, MTM, & SopB, IC50>4 μM). Treatment of insulin-stimulated NIH 3T3 and L1 fibroblasts caused an increase in Akt-phosphorylation indicating inhibition of PTEN in vivo.
Publications
Categories | Biochemical Reagents |
---|---|
Filter | Inhibitor, PI3K, PTEN |
CAS Number | 476310-60-8 |
Molecular Formula | C12H10N2O8V + 3H2O |
Molecular Weight (g/mol) | 415.2 |
Storage | -20 °C or below |