Fig. 3

Representative microscopical images of myocardium tissue sections from each groups. Tissue sections were staind with HE staining (a–e, ×200 magnification), masson staining (f–j, ×400 magnification), NRF2 IHC staining (k–o, Nrf2: ×400 magnification) and CAT IHC staining (p–t, ×200 magnification)