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Morphological changes in the cardiac tissues of three groups of rats fed different diets. (A) H&E, Masson, and PAS staining were performed to assess histopathological damage in the cardiac tissues of rats fed different diets for 12 weeks. Arrows indicate damage. (B) Bar graph showing cells positive under Masson and PAS staining. Data are presented as mean ± SEM; n = 3 per group. *P < 0.05 vs HFD group.
