Figure 5From: Selection of reference genes for gene expression studies in ultraviolet B-irradiated human skin fibroblasts using quantitative real-time PCRExpression levels of candidate reference genes in normal (blue boxes) and irradiated (green boxes) human skin fibroblasts. The data are presented as real-time PCR cycle threshold (Ct) values. The horizontal line represents the median Ct value, and the boxes and whiskers represent the inter-quartile and min-max ranges, respectively.Back to article page