ALB and hepatocellular carcinoma: In a therapeutic study of hepatocellular carcinoma, the construction of ITs carrying Pseudomonas aeruginosa exotoxin PE38 gene, Streptococcus albumin-binding domain (ABD), and targeting human nanobody (HN3), which is able to act specifically on hepatocellular carcinoma cells, is a highly effective therapeutic drug for hepatocellular carcinoma 25.