PTEN and nonpapillary renal cell carcinoma: LncRNA DLX6-AS11, as a molecular sponge of Mir-26a, negatively controls THE PI3K-Akt cascade signal through Mir-26a /PTEN axis, and indirectly regulates the lipid metabolism of ccRCC cells by regulating the activities of FASN, ACC1 and SCD1, thereby affecting a variety of biological processes of renal cancer cells 77.