TJP1 and hepatocellular carcinoma: In addition, HCC cell‐secreted exosomal miR‐103 could also be delivered to endothelial cells and increased vascular permeability by directly inhibiting multiple endothelial junction proteins, including VE‐cadherin, p120‐catenin, and ZO‐1, which facilitated the transendothelial invasion of cancer cells and liver metastasis.79