CDKN1A and cancer: In DOX-surviving proliferative cells, we found positively correlated gene pairs, for example, two senescent markers (GDF15 and CDKN1A R= 0.54) and anticorrelated gene pairs, for example, GDF15 and genes involved in cancer progression: CDC20 (R= -0.26) and BIRC5 (R= -0.17).