Table 4 Pathways associated with the DEG after NPs, MPs and E171 exposure.

From: Transcriptome changes in undifferentiated Caco-2 cells exposed to food-grade titanium dioxide (E171): contribution of the nano- and micro- sized particles

Time of exposure

Biological function

Name pathway

p-value

E171

Signal Transduction

GPCR downstream signalling

1.09E-08

Signalling by GPCR

3.75E-07

Olfactory Signalling Pathway

2.05E-06

Olfactory transduction - Homo sapiens (human)

3.36E-05

Olfactory receptor activity

6.69E-05

GPCR ligand binding

0.000236

Signal Transduction

0.000461

G alpha (q) signalling events

0.00222

Bone Morphogenic Protein (BMP) Signalling and Regulation

0.00845

Transport of small molecules

Zinc efflux and compartmentalization by the SLC30 family

0.00406

Neuronal system

Dopaminergic Neurogenesis

0.0004

Developmental Biology

Interaction between L1 and Ankyrins

0.0041

Haemostasis

Endothelins

0.00989

Metabolism of proteins

Insulin processing

0.00406

MPs

Signal Transduction

Olfactory Signalling Pathway

0.0579

Olfactory transduction - Homo sapiens (human)

0.0579

Developmental Biology

CDO in myogenesis

0.0654

Myogenesis

0.0654

Netrin-1 signalling

0.0775

NPs

Metabolism

Glycine, serine, alanine and threonine metabolism

0.000543

Creatine metabolism

0.000789

Urea cycle and metabolism of amino groups

0.00514

Glucocorticoid Receptor Pathway

0.00541

Prostaglandin Synthesis and Regulation

0.00861

Neuronal system

HCN channels

8.60E-05

TarBasePathway

0.00126

Potassium Channels

0.00689

Transport of small molecules

Amino acid transport across the plasma membrane

0.00926

  1. ORA analysis performed with CPDB on all the DEG after NPs, MPs and E171 exposure in vitro for 24 h.