Fatty acid binding proteins (FABPs) are significantly altered in their expression in ccRCC; FABP5 & 7 (NM_001444 & NM_001446) were upregulated, while FABP1 & 3 (NM_001443 & AI041520) were down-regulated. This evidence concerns the gene FABP1 and nonpapillary renal cell carcinoma.