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Table 5 IPA summary of the liver transcriptome in the E18 vs. D3 contrast

From: Transcriptional profiling of liver during the critical embryo-to-hatchling transition period in the chicken (Gallus gallus)

Top Canonical Pathways

p-value

Overlap

Ratio

 Superpathway of Cholesterol Biosynthesis

2.07E-08

73.9%

17/23

 Cholesterol Biosynthesis I-III

3.03E-06

90.0%

9/10

 Cell Cycle Control of Chromosomal Replication

4.22E-05

45.7%

21/46

 Intrinsic Prothrombin Activation Pathway

6.93E-05

60%

12/20

 Triacylglycerol Biosynthesis

8.97E-05

50%

16/32

Top Upstream Regulators

p-value of overlap

# Target genes

 TP53

1.00E-21

318

 PPARA

5.67E-18

115

 E2F1

9.13E-17

125

 E2F4

5.54E-15

75

 FOXO3

3.82E-13

87

Top Molecular and Cellular Functions

p-value

# Genes

 Cell Cycle

1.57E-03 - 2.09E-10

499

 DNA Replication, Recombination, and Repair

1.38E-03 - 2.09E-10

345

 Amino Acid Metabolism

1.57E-03 - 2.48E-10

79

 Small Molecule Biochemistry

1.57E-03 - 2.48E-10

535

 Cellular Assembly and Organization

1.38E-03 - 6.63E-10

326

Physiological System Development and Function

p-value

# Genes

 Organismal Survival

9.34E-04 - 8.88E-06

682

 Embryonic Development

1.23E-03 - 3.36E-05

90

 Tissue Morphology

1.57E-03 - 3.36E-05

207

 Hematological System Development and Function

1.38E-03 - 1.83E-04

114

 Organismal Development

1.30E-03 - 1.83E-04

191

Top Toxicity Functions

p-value

Overlap

Ratio

 Cholesterol Biosynthesis

8.13E-05

66.7%

10/15

 NRF2-mediated Oxidative Stress Response

1.60E-04

31.3%

51/163

 Liver Necrosis/Cell Death

2.67E-04

29.1%

64/220

 LXR/RXR Activation

3.06E-04

37.0%

27/73

 TR/RXR Activation

1.01E-03

34.6%

27/78

Top Up-regulated Genes

log2 Ratio

Top Down-regulated Genes

log2 Ratio

 DIO3

6.62

THRSPA

−8.86

 MOGAT1

6.38

SLCO1A2

−6.78

 PDK4

5.35

SQLE

−6.71

 PPM1K

5.32

CDO1

−6.64

 RET

4.59

ELOVL5

−6.64

 ITGBL1

4.43

DIO2

−6.64

 ALKAL2

4.37

FASN

−6.48

 TTLL2

4.14

NSDHL

−6.24

 SLC13A3

4.05

SCD

−5.71

 DNAJC12

3.89

CYP7A1

−5.65

  1. Ingenuity Pathway Analysis (IPA) was used for functional analysis of 2440 AR-DEGs identified in the E18 vs. D3 contrast (E18/D3 ratio). AR-DEGs with positive log2 ratios are expressed higher in liver of E18 embryos, while negative log 2 ratios indicate higher expression in D3 hatchlings