DOWNREGULATION OF KEAP1 CONTRIBUTES TO POOR PROGNOSIS AND AXITINIB RESISTANCE OF RENAL CELL CARCINOMA VIA UPREGULATION OF NRF2 EXPRESSION Article Huang H., Wang X., Zhou L., Xu X., Huang F., Wu Y., Fu W. International journal of molecular medicine. Spandidos Publications Ltd.. Vol. 43. 2019. P. 2044-2054