tokens: An important mechanism by which the tumor suppressor p53 maintains genomic stability is to induce cell cycle arrest through activation of the cyclin dependent kinase inhibitor p21 ( WAF1 / Cip1 ) gene .
folded_tokens: a important mechanism by which the tumor suppressor p53 maintain genomic stability be to induce cell cycle arrest through activation of the cyclin dependent kinase inhibitor p21 ( waf1 / cip1 ) gene .