the transforming activity of dna extracted from one testicular cancer , one benign prostatic hyperplasia , two malignant prostatic adenocarcinomas , six renal cell carcinomas , two tumours of the renal pelvis , a specimen of normal urothelial tissue , two benign papillomas of the bladder and five malignant bladder carcinomas , was investigated using a dna transfection assay on primary cultures of hamster kidney cells ( hk cells ) and mouse embryo fibroblasts ( mef cells ) .
C0346260
tumours of the renal pelvis
C0022646
kidney