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Effects of melatonin on high glucose-induced apoptosis in Schwann cells. The Schwann cells were treated with 100 mM of glucose with or without melatonin (0.5, 1, 5 and 10 μM) for 24 h and apoptosis was measured by Annexin V/propidium iodide staining. A–F are the representative dot plots of the high glucose-treated cells with or without melatonin. Each data was expressed as mean ± SD of three independent experiments.
