using a rabbit antiserum to a synthetic undecapeptide deduced from a cloned human retroviral gag-gene-related dna sequence , we found a specific immunohistochemical reaction in all of 42 tested renal cell adenocarcinomas ( rcc ) , while none of 17 similarly tested wilms ' tumors and 65 carcinomas at other sites were positive .
C0035366
retroviral
C0017346
gag-gene