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Table 3 Enrichment analysis of the third trimester group

From: Discovery of metabolic biomarkers for gestational diabetes mellitus in a Chinese population

Pathway associated metabolite sets

Enriched compounds

Total

Hits

Raw p

Holm p

FDR

Urea cycle

Pyruvic acid; Oxoglutaric acid;

L-Alanine; L-Arginine;L-Glutamine

Citrulline

29

6

0.000325

0.0318

0.0176

Ammonia recycling

Glycine; L-Histidine; L-Glutamine;

L-Serine; Oxoglutaric acid; Pyruvic acid

32

6

0.000574

0.0557

0.0176

Glycine and serine metabolism

Glycine;Guanidoacetic acid;Pyruvic acid;L-Alanine;L-Serine;L-Arginine

Oxoglutaric acid; L-Methionine

59

8

0.000638

0.0612

0.0176

Valine-leucine-isoleucine degradation

Alpha-ketoisovaleric acid; L-Valine;

Methylmalonic acid; Oxoglutaric

acid; Succinic acid; Ketoleucine;

3-Methyl-2-oxovaleric acid; L-

Leucine

60

8

0.000718

0.0682

0.0176

Arginine and proline metabolism

Glycine; Guanidoacetic acid; L-

Proline; Oxoglutaric acid; Succinic

acid; L-Arginine; Citrulline

53

7

0.00173

0.163

0.034

Alanine metabolism

Glycine; Oxoglutaric acid; Pyruvic

acid; L-Alanine

17

4

0.00221

0.206

0.0362

Glutamate metabolism

Glycine; L-Alanine; Oxoglutaric

acid; Pyruvic acid; Succinic acid;

L-Glutamine

49

6

0.00571

0.525

0.0747

Aspartate metabolism

Oxoglutaric acid; L-Arginine; L-

Glutamine; N-Acetyl-L-aspartic

acid; Citrulline

35

5

0.00609

0.555

0.0747

Glucose-alanine cycle

L-Alanine; Oxoglutaric acid;

Pyruvic acid

13

3

0.00896

0.807

0.0976

Phenylalanine and tyrosine

Metabolism

L-Tyrosine; Phenylpyruvic acid;

4-Hydroxyphenylpyruvic acid;

Oxoglutaric acid

28

4

0.0144

1

0.141

Carnitine synthesis

Glycine; Oxoglutaric acid; Succinic

acid

22

3

0.0388

1

0.346

  1. Pathway associated metabolite sets with p value < 0.05 are shown in the table