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Table 1 Pathway enrichment analysis using Reactome database of gene groups defined via correlation analysis of genome-wide gene expression data (for details see Fig. 3)

From: The truncated splice variant of peroxisome proliferator-activated receptor alpha, PPARα-tr, autonomously regulates proliferative and pro-inflammatory genes

Selected gene groups

Pathway term

P-value

Enrichment score

A: Positively correlating with PPARα-wt protein

Metabolism of lipids and lipoproteins

0.00002

10.4

 

Biological oxidations

0.005

2.89

 

Integration of energy metabolism

0.011

2.70

 

Metabolism of amino acids

0.015

2.48

 

Metabolism of carbohydrates

0.017

1.51

B: Positively correlating with PPARα-wt/PPARα-tr protein ratio

Signaling by GPCR

0.07

0.24

 

Hormone biosynthesis

0.09

0.17

 

Synaptic Transmission

0.19

0.15

 

Apoptosis

0.37

0.14

 

Integration of energy metabolism

0.40

0.09

Intersection between the groups A and B

Integration of energy metabolism

0.0008

7.79

 

Hemostasis

0.002

6.36

 

Signaling by BMP

0.08

0.81

 

HIV Infection

0.028

0.74

 

DNA Repair

0.14

0.55

C: Negatively correlating with PPARα-tr protein

Signaling in Immune system

0.029

1.06

 

Cell Cycle, Mitotic

0.047

0.88

 

Signaling by Wnt

0.042

0.63

 

Apoptosis

0.13

0.60

 

IL3 signaling

0.12

0.40

Intersection between the groups A and C

Full name

Functions

RBMS1

RNA Binding Motif, Single Stranded Interacting Protein 1

Single-stranded DNA binding protein interacting with upstream region of C-MYC gene.

POFUT1

Protein O-Fucosyltransferase 1

Metabolic relevant enzyme, catalyzer of the fucose attachement to serine/threonine residues.

DEAF1

DEAF1 Transcription Factor (also: suppressin)

Secreted factor, acts as an inhibitor of cell proliferation by arresting cells in the G0 or G1 phase.

SLC6A9

Solute Carrier Family 6 (Neurotransmitter Transporter, Glycine), Member 9

Terminates the action of glycine by its high affinity sodium-dependent reuptake

FLCN

Folliculin

Not clearly classified protein, involved in energy and/or nutrient sensing via AMPK and mTOR signaling pathways.