TSPAN1 and autoimmune hepatitis: Compared with TSPAN1- cells, TSPAN1+ cells in AIH have higher expression of C-X-C chemokine receptor (CXCR) 3 (19.41% vs 5.73%, P < 0.001) and CXCR4 (66.56% vs 62.99%, P < 0.05), indicating enhanced chemotactic activity toward the liver.