TFE3 and renal cell carcinoma associated with Xp11.2 translocations/TFE3 gene fusions: Rapamycin-inducible disruption of TFE3 oncofusion condensation was accompanied by suppression of tRCC cell growth, as demonstrated by both in vitro colony formation assays (Fig. 8d, Supplementary Fig. 8g) and mouse xenograft models in vivo (Fig. 8e, f).