CatechinTeaPolyphenolsPhenolsCamellia sinensisFlavonoidsAnticarcinogenic AgentsReceptors, LamininAntioxidantsPolymersPlant ExtractsBiflavonoidsCell Line, TumorCatechol OxidaseApoptosisCell ProliferationSignal TransductionStilbenesUltraviolet RaysGreen Fluorescent ProteinsPhytotherapyAntineoplastic Agents, PhytogenicBeveragesDose-Response Relationship, DrugGallic AcidDrug SynergismHydrolyzable Tannins