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Table 2 IPA summary of the liver transcriptome in the E16 vs. E20 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

 LPS/IL-1 Mediated Inhibition of RXR Function

4.21E-06

17.9%

24/134

 Mitotic Roles of Polo-Like Kinase

8.94E-06

26.5%

13/49

 Complement System

9.91E-06

37.5%

9/24

 Tyrosine Degradation I

8.12E-05

80.0%

4/5

 Cell Cycle Control of Chromosomal Replication

1.23E-04

23.9%

11/46

Top Upstream Regulators

p-value of overlap

# Target genes

 E2F4

2.52E-23

52

 TCF3

1.14E-19

56

 PPARA

1.54E-15

57

 E2F1

1.98E-15

62

 TCF4

6.52E-14

36

Top Molecular and Cellular Functions

p-value

# Genes

 Cell Cycle

1.35E-03 - 7.51E-18

212

 Cellular Assembly and Organization

1.02E-03 - 7.51E-18

118

 DNA Replication, Recombination, and Repair

1.02E-03 - 7.51E-18

150

 Cell Death and Survival

1.33E-03 - 1.54E-11

350

 Cell Morphology

2.22E-04 - 1.71E-11

74

Physiological System Development and Function

p-value

# Genes

 Reproductive System Development and Function

5.11E-04 - 2.03E-06

23

 Digestive System Development and Function

4.37E-04 - 7.57E-05

18

 Organ Morphology

4.37E-04 - 7.57E-05

21

 Organismal Development

4.37E-04 - 7.57E-05

142

 Behavior

1.52E-04 - 1.52E-04

18

Top Toxicity Functions

p-value

# Genes

Ratio

 LPS/IL-1 Mediated Inhibition of RXR Function

1.70E-05

16.6%

24/145

 Fatty Acid Metabolism

6.31E-05

21.2%

14/66

 Cell Cycle: G2/M DNA Damage Checkpoint Regulation

2.09E-04

24.4%

10/41

 Genes Upregulated in Response to Chronic Renal Failure

1.02E-03

75.0%

3/4

 Transmembrane Potential of Mitochondria and Membrane

1.50E-03

16.5%

13/79

Top Up-regulated Genes

log2 Ratio

Top Down-regulated Genes

log2 Ratio

 DIO3

3.65

DIO2

−7.19

 ACMSD

3.65

SERPINA3

−5.55

 ANGPTL3

3.62

HPX

−4.61

 HDAC9

3.35

FKBP5

−4.37

 GAS2

3.19

CA4

−4.20

 CHODL

3.11

FABP1

−4.07

 CKS2

3.02

KLF9

−3.64

 CKAP2

2.97

IP6K2

− 3.61

 AURKA

2.93

SLCO1A2

−3.60

 KPNA2

2.90

ITIH3

−3.49

  1. Ingenuity Pathway Analysis (IPA) analysis of 814 “Analysis Ready” (AR) and differentially expressed (DE) genes (AR-DEGs) from the E16 vs. E20 contrast. The top 10 up-regulated genes in E16 liver have positive log2 ratios (E16/E20), whereas the 10 down-regulated genes possess negative log2 ratios (E16/E20), which indicates higher expression in liver of E20 embryos