MDM2 expression was assessed by immunoblotting in 7 clear cell carcinoma cell lines with wild-type (OVISE, OVTOKO, JHOC-7, and RMG-I) or mutated (SKOV3, JHOC-9, and ES-2) TP53 (Supplementary Figure 4). Here, MDM2 is linked to clear cell adenocarcinoma.