(1S,9R)-Exatecan mesylate is a potent topoisomerase I inhibitor that acts by stabilizing the enzyme-DNA cleavable complex, thereby blocking enzyme activity and inducing apoptosis. With an IC50 value of 0.975 μg/mL in mice and 0.82 μg/mL in humans, this non-prodrug camptothecin derivative effectively inhibits the proliferation of various malignant tumor cells and tumor growth while overcoming P-glycoprotein-mediated multidrug resistance. (1S,9R)-Exatecan mesylate is utilized in preclinical studies on multiple cancers, including pancreatic, lung, breast cancers, and leukemia.
(1S,9R)-Exatecan mesylate is a potent topoisomerase I inhibitor that acts by stabilizing the enzyme-DNA cleavable complex, thereby blocking enzyme activity and inducing apoptosis. With an IC50 value of 0.975 μg/mL in mice and 0.82 μg/mL in humans, this non-prodrug camptothecin derivative effectively inhibits the proliferation of various malignant tumor cells and tumor growth while overcoming P-glycoprotein-mediated multidrug resistance. (1S,9R)-Exatecan mesylate is utilized in preclinical studies on multiple cancers, including pancreatic, lung, breast cancers, and leukemia.
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