Although there was a strong trend that good response lesions tend to have higher levels of melanocyte-signature gene expression, there was a wide range of variation, making the difference non-significant statistically.
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The sentences
As shown in Figure 2 , all of the melanocyte marker genes showed a trend of higher residual level of expression in good response and short duration lesions, the degree of higher expression did not reach the level of statistical significance (p>0.05, two tailed t test), suggesting the level of residual melanocytic marker genes cannot be reliably used to predict therapeutic response.