Fig. 1From: There are only four basic modes of cell death, although there are many ad-hoc variants adapted to different situationsHypothetical reciprocal relationship between the lifespan on one hand and the abilities to regenerate and to resist stress on the other hand. The abilities of immortalized cells (such as cancer cells or cell lines) to regenerate or resist vary greatly, depending on the cell types, but they should not undergo SDBack to article page