Forty male C57BL/6 mice were randomly divided into four groups, (i) NC + AAV8-m-GPX4, (ii) AIH + AAV8-m-GPX4, (iii) NC + AAV8-EGFP, and (iv) AIH + AAV8-EGFP, with 10 mice in each group. The gene discussed is GPX4; the disease is autoimmune hepatitis.