https://pubmed.ncbi.nlm.nih.gov/7898925/
Increase in expression level of p21sdi1/cip1/waf1 with increasing division age in both normal and...
p21sdi1/cip1/waf1 gene, whose product inhibits Cyclin/Cdk kinase and blocks cell proliferation, is known to be up-regulated by p53 and to be expressed at high...