1,2,3,10-tetramethoxy-7-(methylamino)-6,7-dihydro-5H-benzo(a)heptalen-9-one
477-30-5CNC1CCc2cc(OC)c(OC)c(OC)c2-c2ccc(OC)c(=O)cc21NNJPGOLRFBJNIW-UHFFFAOYSA-Ndemecolcine has been reported in Colchicum autumnale, Colchicum robustum, and other organisms with data available.
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BeschreibungColcemid is a colchicine derivative that inhibits tubulin polymerization as potently as colchicine (IC50 = 2.1 and 2.4 μM, respectively) but is less toxic. At very low (nanomolar) concentrations, colcemid suppresses microtubule dynamicity and inhibits cell migration, while at micromolar levels it blocks microtubule assembly, arresting cells in metaphase. Mitotic block by colcemid is used to synchronize cells and for karyotyping in cytogenetic studies. Prolonged exposure to colcemid can activate p53, leading to apoptosis.
VerwendenAn antimitotic agent that disrupts microtubles by binding to tubulin and preventing its polymerization. Stimulates the intrinsic GTPase activity of tubulin. Induces apoptosis in several normal and tumor cell lines and activates the JNK/SAPK signaling pathway.
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477-30-5DTXSID80859391DefinitionChEBI: A secondary amino compound that is (S)-colchicine in which the N-acetyl group is replaced by an N-methyl group. Isolable from the autumn crocus, Colchicum autumnale, it is less toxic than olchicine and is used as an antineoplastic.