The function of CDKN2AIP (CDKN2A interacting protein, Ensembl gene identifier ENSG00000168564) is as follows. Regulates DNA damage response in a dose-dependent manner through a number of signaling pathways involved in cell proliferation, apoptosis and senescence. {ECO:0000269|PubMed:15109303, ECO:0000269|PubMed:24825908}.