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. 2018 May 21;373(1750):20170221. doi: 10.1098/rstb.2017.0221

Figure 7.

Figure 7.

Example of upstream regulator identification with Ingenuity Pathway Analysis (IPA) software. The analysis was conducted using levels of differentially expressed genes compared with levels in primary human hepatocytes (twofold cut-off, p < 0.05), in embryonic stem cells (ESC-MRC), induced-pluripotent stem cells (iPSC-CEL) and their corresponding HLCs (HLC MRC-D21 and iPSC HLC CEL). (a) The heatmap shows the −log(p-value) of the top 20 most significant upstream regulators. (b) The heatmap shows the activation z-score of the top 20 most significant upstream regulator stem cells and HLCs.