HLA-G and fibrosis: As with liver fibrosis caused by the hepatitis C virus, the authors found that half of the HLA-G+ cells in alcohol-induced cirrhosis were mast cells, and the liver region was significantly reclassified, in which 63-92% of HLA-G+ cells in the fibrosis region were mast cells, while only 3-23% of cell nodes were mast cells (Mouchet et al., 2021).