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Table 1 Significantly enriched metabolic pathways following CCI injury

From: Metabolic-driven analytics of traumatic brain injury and neuroprotection by ethyl pyruvate

Enriched pathways

Holm

FDR

Impact

Metabolite hits

Glutathione metabolism

4.0E−11

2.6E−11

0.038

Glutathione disulfide; l-Cysteine; Acetyl-CoA; Putrescine

Glycine, serine and threonine metabolism

5.0E−11

2.6E−11

0.095

Betaine; Guanidinoacetate; l-Cystathionine; l-Threonine; l-Cysteine

Glycolysis/gluconeogenesis

5.8E−09

2.0E−09

0.042

Acetyl-CoA; beta-d-Glucose

Arginine and proline metabolism

9.0E−09

2.4E−09

0.332

Guanidinoacetate; GABA; Agmatine; Putrescine; N-Acetylputrescine; Hydroxyproline; l-Proline; 4-Acetamidobutanoate; Homocarnosine;

Pyrimidine metabolism

7.4E−08

1.6E−08

0.207

dCMP; Deoxycytidine; Thymidine; Thymine; N-Carbamoyl-l-aspartate; Orotate

Lysine degradation

9.3E−08

1.7E−08

0.141

L-2-Aminoadipate; l-Pipecolate; Acetyl-CoA

Arginine biosynthesis

3.1E−07

4.1E−08

0.228

l-Citrulline; ⍺-Ketoglutarate

Taurine and hypotaurine metabolism

5.9E−07

7.3E−08

0.286

l-Cysteine; Hypotaurine

Alanine, aspartate and glutamate metabolism

2.3E−06

2.3E−07

0.221

N-Acetyl-l-aspartate; l-Alanine; GABA; Citrate; N-Carbamoyl-l-aspartate; ⍺-Ketoglutarate

Butanoate metabolism

7.0E−06

6.6E−07

0.032

Acetyl-CoA; GABA; ⍺-Ketoglutarate

Cysteine and methionine metabolism

7.9E−06

7.2E−07

0.274

l-Cystathionine; l-Cysteine; Ophthalmate

Tryptophan metabolism

1.5E−05

1.3E−06

0.108

5-Hydroxyindoleacetate; l-Kynurenine; Acetyl-CoA

Valine, leucine and isoleucine degradation

1.0E−04

8.7E−06

0.028

Acetyl-CoA; l-Valine; l-Isoleucine

Citrate cycle (TCA cycle)

2.3E−04

1.8E−05

0.186

⍺-Ketoglutarate; Acetyl-CoA; citrate

Amino sugar and nucleotide sugar metabolism

3.1E-−04

2.5E−05

0.081

d-Mannose 6-phosphate; beta-d-Fructose

  1. The top fifteen significantly enriched metabolic pathways associated with the metabolic differences between CCI-Veh and CCI-sham groups. Pathways that were selected include those with > 1 metabolic hit and > 0 pathway impact. Both acetyl-CoA and l-cysteine were hits in multiple enriched pathways, both being reduced following injury