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Effect of KTF on cellular ultrastructure in H2O2-induced MES23.5 cells. Cellular ultrastructure was observed under TEM. Normal morphology of cytoplasm, cell organelles in control group ((a), ×15,000), characteristic ultrastructural morphology of oxidative damage in H2O2-treated group ((b), ×15,000), treatment with KTF group (3.125, 6.25, and 12.5 μg/ml, respectively) ((d), (e), (f), ×15,000), or Ginkgo extract (12.5 μg/ml) ((c), ×15,000).
