β-catenin peptide,(βCATp) is a naturally occurring self-peptide presented by Kb that very efficiently mediates positive selection of the OT-I thymocytes.

Glucodigifucoside, a cardiac glycoside that can be isolated from digitalis seeds, is specifically cytotoxic to human renal adenocarcinoma cells.

Taraxeryl acetate shows the significant antiviral activity against herpes simplex virus (type II). It has less effect on cell cycle arrest and apoptosis of AGS cells than taraxerol.