Table 1 Top five enriched Gene ontology biological processes for each differentially expressed protein (DEP) classes in the hippocampus. For the five hippocampal (HC)-DEP classes, top five enriched Gene ontology biological processes are summarized.

From: Proteins related to ictogenesis and seizure clustering in chronic epilepsy

Term

Fold enrichment

P value

FDR

HC-class 1: inversely cluster-related DEPs

Dicarboxylic acid metabolic process

 < 0.001

 < 0.001**

 < 0.001

Organic acid metabolic process

 < 0.001

 < 0.001**

 < 0.001

Carboxylic acid metabolic process

0.001

 < 0.001**

0.002

Oxoacid metabolic process

0.001

 < 0.001**

0.003

Oxidation–reduction process

0.004

 < 0.001**

0.014

HC-class 2: cluster-onset downregulated DEPs

Energy derivation by oxidation of organic compounds

0.892

0.001**

1.794

Generation of precursor metabolites and energy

0.991

0.004**

7.461

Regulation of G-protein coupled receptor protein signaling pathway

0.969

0.005**

8.168

Central nervous system neuron axonogenesis

0.953

0.006**

9.464

Regulation of cation transmembrane transport

0.943

0.007**

11.045

HC-class 3: cluster-onset upregulated DEPs

Regulation of cell morphogenesis

0.717

0.001**

1.565

Cellular protein complex assembly

0.894

0.003**

5.447

Regulation of filopodium assembly

0.839

0.004**

6.616

Filopodium assembly

0.839

0.004**

6.616

Neuron projection morphogenesis

0.827

0.005**

8.388

HC-class 4: positively cluster-related DEPs

Organonitrogen compound biosynthetic process

 < 0.001

 < 0.001**

 < 0.001

Translation

0.004

 < 0.001**

0.006

Peptide biosynthetic process

0.003

 < 0.001**

0.008

Amide biosynthetic process

0.008

 < 0.001**

0.025

Peptide metabolic process

0.015

 < 0.001**

0.062

HC-class 5

Establishment of protein localization to organelle

0.707

0.001**

1.286

Wnt signaling pathway

0.605

0.001**

1.942

Cell–cell signaling by wnt

0.465

0.001**

1.964

Cell surface receptor signaling pathway involved in cell–cell signaling

0.634

0.003**

4.157

Apoptotic process

0.559

0.003**

4.232

  1. FDR false discovery rate, HC hippocampus, DEP differentially expressed proteins. ** P < 0.01.