UA can be synthesized into polyursolic acid (PUA) by polycondensation reaction, and the self-assembly of this PUA with paclitaxel can form PUA-NPs@PTX nanoparticles, and this PUA-NPs@PTX can be retained for a longer period of time in CT26 hormone mice, which has strong anti-tumor effects on colon cancer (CT26) cells [1084]. The gene discussed is DDX53; the disease is neoplasm.