PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25606576-9 2014 MAA-induced cell cycle arrest (mainly G1 arrest) was due to up-regulation of p21 expression at the early time and down-regulation of cyclin-dependent kinase 4 (CDK4) and CDK2 expression at the late time. methoxyacetic acid 0-3 cyclin dependent kinase 2 Homo sapiens 170-174