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Immunohistochemical analysis of A20 expression in liver grafts on postoperative day 30. Representative immunohistochemical sections from FK506 + physiological saline (A) treated livers demonstrate lower A20 expression compared to the substantial number of A20-positive liver cells in the FK506 + A20 treated liver grafts (B). Furthermore, the expression of FK506 + rAdEasy (C) is also low. D: The results of the normal control group (brown staining) (original magnification, 400 ×).
