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The effects of H2O2 and γ-tocotrienol on the percentage of ssDNA developed in osteoblasts. Osteoblasts were pretreated with 1, 10, and 100 μM γ-tocotrienol for 24 hours before treated with 490 μM H2O2 for 2 hours. The groups that have the same alphabet symbols (a, b, c, d) are not significantly different between each other (P < 0.05). Data are presented as mean ± SEM, n = 3.
