Youssef Ben Mlouka’s Post

"Because of its well-known role in stopping the cell cycle, starting DNA repair, or if things go too far, starting cell death, we often call p53 the "guardian of the genome." But p53 has another, less well-known power: it can make a cell get older. Forever. Cellular senescence is the name of this process. It is one of the most interesting biological programs that has to do with cancer, aging, and even inflammation. When a cell is under a lot of stress, like when it has been exposed to too much radiation or divided too many times, p53 can choose not to kill it but to keep it locked up forever. The cell doesn't divide or die; it just stays there. Alive, frozen, reacting." Continue reading this post from my YP53 blog, linked below: https://lnkd.in/excPn7Tc