tokens: In addition , we find that E2F-1 can cause apoptosis in p53-/- tumour cells and further p300 , which also functions as a co-activator for the E2F / DP heterodimer , enhances the apoptotic activity of E2F-1 .
folded_tokens: in addition , we find that e2f-1 can cause apoptosis in p53-/- tumour cell and further p300 , which also function as a co-activator for the e2f / dp heterodimer , enhance the apoptotic activity of e2f-1 .