H19 and neoplasm: Conigliaro et al found that exosomes secreted by CD90+ liver cancer cells are rich in long non‐coding RNA (lncRNA) H19, which can up‐regulate the expression of VEGF, VEGF receptor and ICAM in vascular ECs, thereby promoting tumour angiogenesis and tumour cell adhesion and migration to the site of neovascularization.