ML792 is a potent (IC50s = 3 nM SUMO1, 11 nM SUMO2) and selective( IC50 = 32 µM for NEDD8-activating enzyme (NAE)) mechanism-based inhibitor of SUMO-activating enzyme (SAE).1 Treatment of multiple cancer cell lines led to failure of mitotic progression and induction of endoreduplication with MYC-amplified cell lines showing higher sensitivity. ML792 inhibited B-cell growth and promoted cell death in Epstein-Barr virus (EBV)-positive B cells and nasopharyngeal carcinoma cells. It also modulated Latent Membrane Protein-1-induced cell migration and cell adhesion suggesting therapeutic potential in treating EBV-associated malignancies.2
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