ADAMTS9 and nonpapillary renal cell carcinoma: Importantly, we also found that in chemoresistant ccRCC cells, the expression levels of ADAMTS9-AS2 were significantly decreased (Supplementary Figure 4E, P<0.01), whereas those of miR-27a-3p were increased (Supplementary Figure 4F, P<0.05, P<0.01).