NFKB1 and neoplasm: In a tumor of localized kidney cancer, an increase in the level of transcription factors was observed compared with normal renal parenchyma (HIF-1 by 4.8 times; HIF-2 by 1.5 times; NF-kB p50 by 1.8 times; and NF-kB p65 by 1.6 times).