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Table 7 Relative mRNA concentrations of target genes of the unfolded protein response in the liver of rats fed diets with either soybean oil or salmon oil with various vitamin E concentrations (25, 250 or 2500 mg/kg)

From: An excess dietary vitamin E concentration does not influence Nrf2 signaling in the liver of rats fed either soybean oil or salmon oil

Oil

Soybean oil

Soybean oil

Soybean oil

Salmon oil

Salmon oil

Salmon oil

ANOVA (P)

Vitamin E (mg/kg)

25

250

2500

25

250

2500

Vitamin E

Oil

Vitamin E x oil

Genea

  ATF4

1.00 ± 0.31

1.39 ± 0.28

1.06 ± 0.39

1.18 ± 0.39

1.19 ± 0.31

1.08 ± 0.27

0.065

0.99

0.16

  DDIT3

1.00 ± 0.35

1.50 ± 0.63

1.33 ± 0.48

1.30 ± 0.39

1.47 ± 0.64

1.16 ± 0.36

0.074

0.79

0.28

  DNAJC3

1.00 ± 0.12

1.18 ± 0.25

1.03 ± 0.23

1.09 ± 0.20

1.10 ± 0.19

0.98 ± 0.24

0.13

0.80

0.39

  EDEM1

1.00 ± 0.16

1.11 ± 0.29

1.14 ± 0.21

0.86 ± 0.17

0.94 ± 0.19

0.90 ± 0.10

0.22

< 0.001

0.73

  HERPUD1

1.00 ± 0.18

1.17 ± 0.33

1.10 ± 0.25

0.98 ± 0.32

1.15 ± 0.37

1.04 ± 0.27

0.18

0.67

0.97

  HSPA5

1.00 ± 0.12

1.01 ± 0.22

0.95 ± 0.47

1.05 ± 0.22

1.17 ± 0.20

1.02 ± 0.21

0.24

0.059

0.62

  PDIA4

1.00 ± 0.15

1.14 ± 0.26

1.01 ± 0.19

0.96 ± 0.18

1.05 ± 0.17

0.98 ± 0.20

0.12

0.27

0.86

  1. Data are presented as means ± SD (n = 12/group)
  2. a ATF4 activating transcription factor 4, DDIT3 DNA damage inducible transcript 3, DNAJC3 DnaJ heat shock protein family (Hsp40) member C3, EDEM1 ER degradation enhancing alpha-mannosidase like protein 1, HERPUD1 homocysteine inducible ER protein with ubiquitin like domain 1, HSPA5 heat shock protein family A member 5, PDIA4 protein disulfide isomerase family A, member 4