Or as signals to self destruct the cell, if things go wrong.

或者，如果出现问题，作为自我毁灭细胞的信号。

They can divide about 50 times before they self destruct in a process called apoptosis.

在它们分裂大约五十次时就会以细胞凋亡的形式自我毁灭。

Most of the time, cells can detect mutations or DNA damage and either fix them or self destruct.

大多数时候， 细胞可以检测到突变或 DNA 损伤，并修复它们或自我毁灭。

And strangely enough ricin is also being investigated as a possible cancer treatment, because of its ability to trigger that protein-stopping self destruct mechanism in cells, including, of course, cancer cells.

奇妙的是，癌症研究者也想借蓖麻毒素的一臂之力，因为它的功力来自阻止蛋白质合成，引发细胞死亡，只要把目标细胞换成癌细胞就行了。