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Apexbio Technology LLC Topotecan 123948-87-8 10mM (in 1mL DMSO)

Supplier: Apexbio Technology LLC B49825.1
Topotecan (CAS 123948-87-8) a semisynthetic derivative of camptothecin functions by selectively inhibiting topoisomerase I This inhibition stabilizes enzyme-DNA cleavage complexes disrupting DNA replication and transcription processes essential for tumor cell proliferation In preclinical studies topotecan demonstrated antitumor activity in mouse models of leukemia (P388) Lewis lung carcinoma B16 melanoma and human colon adenocarcinoma xenograft HT-29 Its toxicity primarily affecting rapidly proliferating tissues such as bone marrow and gastrointestinal epithelium was concentration-dependent and reversible Topotecan is employed extensively as a research tool in oncology studies focusing on DNA-topoisomerase interactions and targeting solid tumor growth
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