Fig. 2

Statistical analysis of the DEGs. a Volcano plot displaying the DEGs in PK-15 cells expressing NS4A. In the figure, the two vertical grey lines represent the threshold of 2 times differential expression, and the horizontal grey line is the threshold of a P value = 0.05. Red dots indicate groups of upregulated genes, green dots indicate groups of downregulated genes, and grey dots indicate non-significantly differentially expressed genes. b The number of upregulated genes and downregulated genes