showed a trendp = 0.087
Altered gene expression of antioxidant enzyme in response to extracellular H 2 O 2 exposure There was no significant change in the expression of antioxidant enzyme mRNA after 6 h of differentiation, except for expression of NOS2 , which showed a trend of decreasing with higher H 2 O 2 treatment doses ( p = 0.087; Figure 4 ).