Table 3 The top 25 metabolic pathways distinguishing the high-residential radon exposure group from the low-residential radon exposure group.

From: Serum biomarkers associated with health impacts of high residential radon exposure: a metabolomic pilot study

Pathways

Total

Hits

Hits compound

P value

1. SARS-CoV-2 and COVID-19 pathway

5

1

D-Sphingosine

0.002

2. GDNF signaling

7

1

D-Sphingosine

0.003

3. Modulation of PI3K-Akt-mTOR signaling by bioactive sphingolipids

10

1

D-Sphingosine

0.005

4. VEGFR2 mediated cell proliferation

11

1

D-Sphingosine

0.005

5. Sphingolipid metabolism in senescence

14

1

D-Sphingosine

0.007

6.Degradation pathway of sphingolipids, including diseases

14

1

D-Sphingosine

0.007

7. Synthesis of ceramides and 1-deoxyceramides

23

1

D-Sphingosine

0.011

8. Sphingolipid pathway

24

1

D-Sphingosine

0.011

9. Extra-nuclear estrogen signaling

27

1

D-Sphingosine

0.013

10. Sphingolipid metabolism overview

27

1

D-Sphingosine

0.013

11. Signaling by VEGF

28

1

D-Sphingosine

0.013

12. VEGFA-VEGFR2 Pathway

28

1

D-Sphingosine

0.013

13. 10q11.21q11.23 copy number variation syndrome

30

1

D-Sphingosine

0.014

14. ESR-mediated signaling

33

1

D-Sphingosine

0.015

15. Metabolism of sphingolipids in ER and Golgi apparatus

34

1

D-Sphingosine

0.016

16. Glycosphingolipid metabolism

35

1

D-Sphingosine

0.016

17. Fabry disease

35

1

D-Sphingosine

0.016

18. Gaucher Disease

35

1

D-Sphingosine

0.016

19. Globoid Cell Leukodystrophy

35

1

D-Sphingosine

0.016

20. Krabbe disease

35

1

D-Sphingosine

0.016

21. Metachromatic Leukodystrophy (MLD)

35

1

D-Sphingosine

0.016

22. Sphingolipid de novo biosynthesis

36

1

D-Sphingosine

0.017

23. 16p11.2 proximal deletion syndrome

39

1

D-Sphingosine

0.018

24. Sphingolipid metabolism: integrated pathway

49

1

D-Sphingosine

0.023

25. Signaling by Nuclear Receptors

50

1

D-Sphingosine

0.023