HGF and liver failure: On the removal of cytokines and other molecules involved in the development and evolution of liver failure, Rocen et al. [80] measured the concentrations of cytokines, inflammatory markers (C-reactive protein and procalcitonin) and liver regeneration markers, such as hepatocyte growth factor (HGF) and α1 fetoprotein, during FPSA sessions in eleven patients with ALF of different aetiologies (nine of whom were finally transplanted).