CDKN1C and Wilms tumor: Although KIP2 expression is epigenetically reduced in several adult tumours (Shin et al, 2000; Kikuchi et al, 2002; Li et al, 2002; Soejima et al, 2004), expression levels in Wilms' tumour as measured in previous studies have varied (Chung et al, 1996; Hatada et al, 1996; Thompson et al, 1996; O'Keefe et al, 1997; Taniguchi et al, 1997; Soejima et al, 1998).