Description
PaclitaxelisaditerpenecompoundfoundinTaxusyunnanensisthatexhibitsanticancerchemotherapeuticandanti-angiogenicactivities.Paclitaxelinducestubulinpolymerization,formingstablebutnonfunctionalmicrotubules;itinhibitsshorteningofmicrotubuleleADIngedges,decreasesperipheralmicrotubuleformation,andaltersmorphologyoffocaladhesions,preventingcellmigrationandproliferation.Paclitaxelalsodysregulatestheepithelial-to-mesenchymal(EMT)transition,inducingtransitionofcancercellsintobenignfibroblast-likecells.Invitro,paclitaxelinducescaspase8-mediatedapoptosisthroughtheassociationofcaspase8’sdeatheffectordomainwithmicrotubules.
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