Erythroxylum cuneatum 2 Erythroxylum cuneatum extract cytotoxicity 2 human 2 human cell 2 medicinal plant 2 plant extract 2 unclassified drug 2 Article 1 Cytotoxicity 1 DNA damage 1 Erythroxylum cuneatu 1 Genotoxicity 1 HepG2 1 IC 50 1 IC50 1 WRL68 1 alkaloid 1 alpha synuclein 1 aqueous solution 1 article 1 calcium cell level 1 calcium ion 1 calmodulin 1 cell lysate 1 cell strain HepG2 1 comet assay 1 controlled study 1 cytotoxicity test 1 dose response 1