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Table 3 Main genes regulated by Hfe deficiency in liver and pertaining to the enriched functional categories fatty acid β-oxidation and cholesterol metabolism

From: Gene expression profiling of Hfe-/-liver and duodenum in mouse strains with differing susceptibilities to iron loading: identification of transcriptional regulatory targets of Hfe and potential hemochromatosis modifiers

Gene

Protein

S-score

  

D2 KO versus WT

B6 KO versus WT

D2 WT versus B6 WT

Fatty acid β-oxidation

   Cpt1a

Carnitine palmitoyl transferase 1a

-2.95

-1.94

NS

   Cpt2

Carnitine palmitoyl transferase 2

-2.59

NS

NS

   Acadm

Acyl-CoA dehydrogenase, medium chain

-2.97

-1.80

NS

   Acadl

Acyl-CoA dehydrogenase, long chain

-3.00

NS

NS

   Acadvl

Acyl-CaA dehydrogenase, very long chain

-2.40

NS

NS

   Ehhadh

Enoyl-CoA hydratase/3-hydroxyacyl-CoA dehydrogenase

-2.30

NS

NS

   Hadha

Tripartite protein, alpha subunit

-2.08

-1.58

NS

   Hadhb

Tripartite protein, beta subunit

-2.96

-1.90

NS

   Hadh2

Hydroxyacyl-CoA dehydrogenase type II

NS

-4.05

-4.61

   Acox1

Acyl-CoA oxydase 1, palmitoyl (peroxisomal)

-2.10

-1.63

-4.27

   Cyp4a10

Cytochrome P450 4A10

-6.76

-2.46

NS

   Cpy4a14

Cytochrome P450 4A14

-9.21

-3.09

NS

TCA cycle

   Aco2

Aconitase 2, mitochondrial

-2.14

-1.82

NS

   Idh2

Isocitrate dehydrogenase 2, mitochondrial

-2.09

NS

NS

Cholesterol catabolism

   Cyp7a1

Cholesterol 7α-hydroxylase

-3.15

NS

NS

   Cyp39a1

Oxysterol 7α-hydroxylase

-2.60

NS

NS

  1. S-scores were obtained as described in Material and methods and are proportional to fold changes. Negative S-scores indicate that the genes are more highly expressed in wild-type (WT) than in knockout (KO) mice, or in WT B6 than in WT D2 mice. Variations in the expression of genes involved in the tricarboxylic acid (TCA) cycle are provided for information. CoA, coenzyme A; NS, not significant.