As expected, expression levels of proliferative cytokines, for example, CSF-1, CSF-3, NODAL, and VEGFA, correlated with the cell growth rates of the highly proliferative (Caki-1, 786-O) and the lowly proliferative (RCC4, A498) RCC cells. The gene discussed is NODAL; the disease is renal cell adenocarcinoma.