UCP1 and renal cell carcinoma: Recently, lncRNA COL18A1‐AS1 has been shown to act as a sponge of miR‐1286 to modulate the expression of transcriptional factor Krüppel‐like factor 12 (KLF12), which regulates uncoupling protein 1 (UCP1)‐mediated lipid browning in cell renal cell carcinoma.[164]