Fig. 1From: The marine triterpene glycoside frondoside A induces p53-independent apoptosis and inhibits autophagy in urothelial carcinoma cellsStructure and effect of FrA on the viability of human urothelial cancer cells. a Structure of frondoside A (FrA). b Cytotoxicity of FrA, determined with a trypan blue-based viability assay. Cells were treated with FrA or Cis for 48Â hBack to article page