大象通过“僵尸基因”抵御癌症

非洲象死于癌症的比率是人类的三分之一，尽管体重增加了一百倍，活到70多岁。更多的长寿细胞应该等于更多的肿瘤机会，但不知何故这些厚皮动物受到保护。
星期二发表在《细胞报告》上的一项研究提供了一个线索：大象不得癌症依靠的是一个曾经死亡的基因，它专门杀死失控细胞，有效地抑制了癌症的萌芽。

Elephants ward off cancer via ‘zombie gene’

http://www2.philly.com/philly/health/elephants-cancer-zombie-gene-university-chicago-tp53-20180814.html

Elephants ward off cancer via ‘zombie gene’ - philly.com

www2.philly.com/philly/health/elephants-cancer-zombie-gene...

Elephants ward off cancer via 'zombie gene' - msn.com

https://www.msn.com/en-us/news/local/elephants-ward-off-cancer-via...

Elephants rarely get cancer. Here's why this matters to humans

https://edition.cnn.com/2018/08/14/health/elephant-cancer-zombie-genetics-study/index.html

Zombie gene protects against cancer -- in elephants

https://www.sciencedaily.com/releases/2018/08/180814173643.htm

1. Juan Manuel Vazquez, Michael Sulak, Sravanthi Chigurupati, Vincent J. Lynch. A Zombie LIF Gene in Elephants Is Upregulated by TP53 to Induce Apoptosis in Response to DNA Damage. Cell Reports, 2018; 24 (7): 1765 DOI: 10.1016/j.celrep.2018.07.042