Table 5 Results from the pathway analysis based on the altered metabolites in manifest HD patients compared with premanifest HD subjects. p-values < 0.05 and FDR values < 0.1 have been bolded.

From: Alterations in the tyrosine and phenylalanine pathways revealed by biochemical profiling in cerebrospinal fluid of Huntington’s disease subjects

Pathway

Coverage

p-value

FDR

Impact

Aminoacyl-tRNA biosynthesis

6/75

2.8 × 10 −5

2.2 × 10 −3

0.0

Phenylalanine, tyrosine and tryptophan biosynthesis

3/27

1.5 × 10 −3

0.039

0.008

Valine, leucine and isoleucine biosynthesis

3/27

1.5 × 10 −3

0.039

0.040

Tyrosine metabolism

4/76

3.7 × 10 −3

0.061

0.182

Nitrogen metabolism

3/39

4.3 × 10 −3

0.061

0.0

Valine, leucine and isoleucine degradation

3/40

4.6 × 10 −3

0.061

0.022

Phenylalanine metabolism

3/45

6.4 × 10 −3

0.073

0.173

Purine metabolism

4/92

7.3 × 10 −3

0.073

0.059