passages.id: split_6_test_1272_passage
passages.type: progene_text
passages.text: Withdrawal of serum growth factors or stimulation of heterozygous ES cells with staurosporine ( STS ) , ultraviolet ( UV ) B irradiation , etoposide ( VP16 ) , or cisplatin induced apoptosis followed by cell death ( determined by failure to exclude propidium iodide dye ) .