Biological process

up regulation of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator, up-regulation of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator, upregulation of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator

Any process that activates or increases the frequency, rate or extent of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator.