Figure 1.

A-C. Representative histological findings of cardiac grafts from normal mice (Control), syngeneic (Negative control) and allogeneic cardiac transplantation mice (Rejection). (20×). Relatively intact myocardium accompanied by markedly increased infiltration of inflammatory cells was observed in allografts of recipients in acute rejection group. D. CD4⁺IL-17A⁺ T cells were analyzed in splenocytes of each study group. The specimens of recipients were collected on postoperative day (POD) 7.