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Table 1 Loss of significance in enriched pathways

From: Common gene expression signatures in Parkinson’s disease are driven by changes in cell composition

PW

Up-regulated

Down-regulated

Pathway

Delta

Pathway

Delta

myelination

−8.85

regulation of synaptic vesicle exocytosis

−9.63

ensheathment of neurons

−8.67

intrinsic component of synaptic membrane

−9.60

axon ensheathment

−8.67

regulation of synaptic vesicle cycle

−9.58

detection of chemical stimulus involved in sensory perception of bitter taste

−7.95

positive regulation of synaptic transmission

−9.48

oligodendrocyte differentiation

− 6.94

Schaffer collateral - CA1 synapse

−9.46

oligodendrocyte development

−6.58

regulation of synaptic plasticity

−9.44

apical junction complex

−5.57

regulation of neurotransmitter secretion

−9.41

glial cell development

−5.54

presynaptic membrane

−9.27

glial cell differentiation

−5.52

regulation of synaptic vesicle transport

−9.19

tight junction

−4.16

protein transport within lipid bilayer

−9.11

NBB

Up-regulated

Down-regulated

Pathway

Delta

Pathway

Delta

activation of innate immune response

−8.54

ribonucleoside monophosphate metabolic process

−9.09

regulation of leukocyte proliferation

−8.11

purine nucleoside triphosphate metabolic process

−9.03

regulation of lymphocyte proliferation

−8.01

mitochondrial membrane part

−8.99

regulation of mononuclear cell proliferation

−7.79

ATP metabolic process

−8.92

innate immune response-activating signal transduction

−7.43

regulation of synaptic vesicle exocytosis

−8.87

regulation of adaptive immune response

−7.16

inner mitochondrial membrane protein complex

−8.82

response to interferon-gamma

−7.15

purine ribonucleoside triphosphate metabolic process

−8.77

adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains

−7.07

respiratory chain

−8.70

blood microparticle

−6.75

regulation of synaptic vesicle transport

−8.68

regulation of T cell proliferation

−6.73

cellular respiration

−8.43

  1. Tables representing the top 10 pathways with the lowest delta for up- and down-regulated pathways for PW and NBB cohorts. The delta value represents the change in the enrichment –log10 (p-value) between the results with and without MGP adjustment (negative values of delta imply a loss of significance when accounting for cellularity). Complete results are provided in Additional file 6