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Table 2 Lists of genes significantly altered by exposure to pristine CeO 2 (Part A), NB-DA (Part B) and NB-DL (Part C), and belonging to the canonical pathway “mitochondrial dysfunction”

From: Toxicity evaluation of manufactured CeO2 nanoparticles before and after alteration: combined physicochemical and whole-genome expression analysis in Caco-2 cells

Part A: genes altered by pristine CeO2 (n = 27)

Symbol

Entrez Gene Name

Fold Change

p-value

ID Agilent

ATP5J

ATP synthase, H + transporting, mitochondrial F0 complex, subunit F6

−1,935

8,67E-03

A_23_P154832

COX4I1

cytochrome c oxidase subunit IV isoform 1

−2,313

4,97E-03

A_23_P141029

COX5B

cytochrome c oxidase subunit Vb

−2,312

4,98E-03

A_23_P51069

COX6A1

cytochrome c oxidase subunit VIa polypeptide 1

−2,312

4,99E-03

A_32_P168247

COX6B1

cytochrome c oxidase subunit VIb polypeptide 1 (ubiquitous)

−2,306

4,87E-03

A_23_P108244

COX6C

cytochrome c oxidase subunit VIc

−2,088

3,08E-03

A_23_P8900

COX7A2

cytochrome c oxidase subunit VIIa polypeptide 2 (liver)

−2,311

4,99E-03

A_23_P81690

COX7C

cytochrome c oxidase subunit VIIc

−2,312

4,99E-03

A_23_P110811

COX8A

cytochrome c oxidase subunit 8A (ubiquitous)

−2,312

5,00E-03

A_23_P52639

CYB5R3

cytochrome b5 reductase 3

−2,312

4,99E-03

A_23_P502224

NDUFA3

NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 3, 9 kDa

−2,052

4,57E-03

A_23_P208540

NDUFA4

NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 4, 9 kDa

−2,312

4,98E-03

A_23_P145777

NDUFA6

NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 6, 14 kDa

−2,037

6,10E-03

A_23_P91769

NDUFA8

NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 8, 19 kDa

−2,200

4,97E-03

A_23_P43566

NDUFB2

NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 2, 8 kDa

−2,175

2,93E-03

A_24_P406301

NDUFB4

NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 4, 15 kDa

−2,301

4,77E-03

A_23_P69468

NDUFB8

NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 8, 19 kDa

−1,963

4,31E-03

A_24_P346886

NDUFB9

NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 9, 22 kDa

−2,311

4,99E-03

A_23_P157669

NDUFS2

NADH dehydrogenase (ubiquinone) Fe-S protein 2, 49 kDa (NADH-coenzyme Q reductase)

−1,561

5,68E-04

A_23_P149470

NDUFS5

NADH dehydrogenase (ubiquinone) Fe-S protein 5, 15 kDa (NADH-coenzyme Q reductase)

−2,311

4,98E-03

A_23_P10463

NDUFS7

NADH dehydrogenase (ubiquinone) Fe-S protein 7, 20 kDa (NADH-coenzyme Q reductase)

−2,079

3,89E-03

A_23_P165086

NDUFS8

NADH dehydrogenase (ubiquinone) Fe-S protein 8, 23 kDa (NADH-coenzyme Q reductase)

−1,904

7,63E-03

A_23_P86774

NDUFV1

NADH dehydrogenase (ubiquinone) flavoprotein 1, 51 kDa

−1,704

1,08E-02

A_23_P127353

OGDH

oxoglutarate (alpha-ketoglutarate) dehydrogenase (lipoamide)

−1,513

3,02E-03

A_23_P123133

PRDX5

peroxiredoxin 5

−1,946

5,32E-03

A_24_P155378

UQCRFS1

ubiquinol-cytochrome c reductase, Rieske iron-sulfur polypeptide 1

−2,031

3,93E-03

A_23_P153586

UQCRH

ubiquinol-cytochrome c reductase hinge protein

−2,312

4,99E-03

A_32_P54137

Part B: genes altered by NB-DA (n = 10)

Symbol

Entrez Gene Name

Fold Change

p-value

ID Agilent

ATP5B

ATP synthase, H + transporting, mitochondrial F1 complex, beta polypeptide

−1,575

2,48E-02

A_23_P33216

ATP5C1

ATP synthase, H + transporting, mitochondrial F1 complex, gamma polypeptide 1

−1,525

3,84E-02

A_23_P63655

COX6A2

cytochrome c oxidase subunit VIa polypeptide 2

−2,028

4,43E-02

A_23_P401524

COX6B2

cytochrome c oxidase subunit VIb polypeptide 2 (testis)

−1,522

2,45E-02

A_23_P78571

CYCS

cytochrome c, somatic

−1,674

3,09E-02

A_24_P376556

NDUFA5

NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 5, 13 kDa

−1,815

2,45E-02

A_32_P96641

PRDX3

peroxiredoxin 3

−2,65

2,51E-02

A_23_P63751

PSEN2

presenilin 2 (Alzheimer disease 4)

−1,647

2,98E-02

A_23_P96985

SDHB

succinate dehydrogenase complex, subunit B, iron sulfur (Ip)

−1,646

2,46E-02

A_23_P149649

SDHD

succinate dehydrogenase complex, subunit D, integral membrane protein

−1,841

2,39E-02

A_23_P138967

Part C: genes altered by NB-DL (n = 3)

Symbol

Entrez Gene Name

Fold Change

p-value

ID Agilent

COX11

COX11 cytochrome c oxidase assembly homolog (yeast)

−1,723

3,28E-02

A_24_P404204

SDHC

succinate dehydrogenase complex, subunit C, integral membrane protein, 15 kDa

−2,264

3,53E-02

A_24_P233850

SDHD

succinate dehydrogenase complex, subunit D, integral membrane protein

−2,03

4,62E-02

A_32_P60185

  1. Although the same pathway is activated, there are, stricto sensu, no common genes altered by pristine CeO2 and NB-DA or NB-DL in the mitochondrial dysfunction pathway. This demonstrates the interest of a pathway-driven analysis compared to the usual gene-driven analysis.