Table 1 Pathway enrichments for branch-specific differentially expressed genes in TCX.

From: Molecular estimation of neurodegeneration pseudotime in older brains

Direction

Branch

Representative enriched Gene Ontology terms

Down

2

prespliceosome (GO:0071010), mitochondrial electron transport cytochrome c to oxygen (GO: 0006123)

Down

3

negative regulation of microtubule, polymerization or depolymerization (GO:0031111)

Down

4

mitochondrial electron transport, NADH to ubiquinone (GO: 0006120), spliceosomal tri-snRNP complex (GO:0097526), negative regulation of microtubule depolymerization (GO:0007026)

Down

5

axon (GO:0030424), protein kinase C activity (GO:0004697)

Down

6

gamma-tubulin large complex (GO:0000931), U1 snRNP (GO:0005685), mitochondrial respiratory chain complex IV (GO:0005751), response to cadmium ion (GO:0046686)

Up

3

fatty acid elongase activity (GO:0009922), ubiquitin protein ligase activity (GO:0061630)

Up

4

transforming growth factor beta-activated receptor activity (GO:0005024), hippo signaling (GO:0035329), regulation of extrinsic apoptotic signaling pathway via death domain receptors (GO: 1902041), regulation of DNA repair (GO: 0006282)

Up

5

regulation of apoptotic process (GO:0042981), leptin mediated signaling pathway (GO:0033210), negative regulation of hippo signaling (GO:0035331), small GTPase binding (GO:0031267)

Up

6

extracellular ligand-gated ion channel activity (GO:0005230), integral component of mitochondrial inner membrane (GO:0031305)

  1. Differential expressed genes are identified with a two-sided Tukey’s honest significant difference test (FDR < 0.05), with Branch 1 as the reference, and pathway enrichments that are significant from a one-sided Fisher’s exact test are shown (FDR < 0.05).