In this study, the transcript levels of IAP genes including NAIP (BIRC1), BIRC2 (CIAP1), BIRC3 (CIAP2), BIRC5 (Survivin), BIRC6 (Apollon), and XIAP (BIRC4) in UA-treated A-375 melanoma cells were investigated. The gene discussed is NAIP; the disease is melanoma.