Immunopathological Features of Canine Myocarditis Associated with Leishmania infantum Infection

Figure 2

Myocardium, histopathological findings in a dog infected by L. infantum: (a) CD8 immunoperoxidase stain showing CD8+ T cells (arrows). (b) CD4 immunoperoxidase stain showing CD4+ T cells (arrows). (c) MHC class I immunoperoxidase stain showing abnormal positivity within cardiomyocytes (arrow). (d) MHC class II immunoperoxidase stain showing abnormal positivity within cardiomyocytes (arrows) (immunohistochemistry, HRP method, original magnification 40x).

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