Following this, 231 Parental, 231 LuT1, 231 LuT2, and 231 LuT3 cells were inoculated into the fourth mammary fat pad of NCG-HLA-A2.1 mice, with exosomal LAP-TGF-β1 levels and tumor tissue assessed post four weeks (Fig. 3H). The gene discussed is TGFB1; the disease is neoplasm.