TP53 and breast neoplasm: We next measured the levels of the TP53 transcripts in a cohort of 83 human breast tumours [26] using the ddPCR assays of TP53 transcript 5’ and 3’ ends described previously [8] (FL/Δ40TP53_T1, FL/Δ40TP53_T2, Δ133TP53 TP53 5’ ends and the TP53α and TP53β 3’ ends; Figure S2A).