TFE3 and renal cell carcinoma associated with Xp11.2 translocations/TFE3 gene fusions: In our previous study, we found that lncRNA TRAF3IP2 antisense RNA 1 (TRAF3IP2-AS1) could play a critical role in the progression of NONO-TFE3 translocation renal cell carcinoma (NONO-TFE3 tRCC).