Wikipedia has quite a bit of information about p53. [1] It seems to have an important role as a suppressor for cancer. So maybe the comment was referring to tha

Wikipedia has quite a bit of information about p53. [1] It seems to have an important role as a suppressor for cancer. So maybe the comment was referring to that, you probably don't want to mess that up. [1] https://en.wikipedia.org/wiki/TP53 https://en.wikipedia.org/wiki/TP53