Analysis of exosomes from glioblastoma cells showed that they are enriched with the proangiogenic factors VEGF, angiogenin, TGFβ, IL-8, IL-6, MMP2, MMP9, TIMP-1, TIMP-2, and CXCR4 [53,54]. The gene discussed is TGFB1; the disease is glioblastoma.