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Fig. 4 | BMC Cardiovascular Disorders

Fig. 4

From: Telmisartan protects chronic intermittent hypoxic mice via modulating cardiac renin-angiotensin system activity

Fig. 4

Pathological changes in myocardial cell nucleus under electron microscope. Ultrastructural examination was performed as described in materials and methods. a In CIH group, the myocardial nuclei were pyknotic, the heterochromatin clustered in the perinuclear region, which showed the apoptosis of myocardial cells. b In ARB group, the apoptosis of cardiomyocytes was rare. c & d. In blank and air control groups, the chromatin of myocardial nuclei was uniform and the nuclear membrane was intact. Magnification: 15000×, scale bar, 2 μm

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