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. 2016 May 13;152(2):297–308. doi: 10.1093/toxsci/kfw089

Table 5.

Top predicted activated upstream regulators in GD 9 embryos exposed to 400 mg/kg hydroxyurea by descending P-value order.

Upstream regulator Molecule type Predicted activation state Activation z-score P-value of overlap
TP53 Transcription regulator Activated 5.74 3.12E−23
BRCA1 Transcription regulator Activated 3.17 5.49E−10
CCND1 Transcription regulator 0.63 5.09E−09
CDKN1A Kinase 0.11 2.81E−08
TP63 Transcription regulator Activated 3.49 4.78E−08
TOPBP1 Other −1.89 1.54E−07
TP73 Transcription regulator Activated 3.01 1.69E−07
IGF1 Growth factor 1.68 2.77E−07
PTH Other 0.69 3.75E−07