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Effect of TVE on hyaluronan synthase 2 gene expression. HDF were treated with TVE 3% and 15% for 6 hrs, and then gene expression was analysed. The results are the averages of three independent experiments, expressed as percentages respect to the untreated control, arbitrarily set as 100%. The error bars represent standard deviations, and the asterisks indicate statistically significant values (** p value is between 0.001 to 0.01; *0.01 to 0.05).
