Table 1 Pathway analysis with DAVID using phosphosites that were significantly increased in the 3D culture samples compared to 2D culture samples or identified only in the 3D culture samples (adjusted p value < 0.05).

From: Improved phosphoproteomic analysis for phosphosignaling and active-kinome profiling in Matrigel-embedded spheroids and patient-derived organoids

Term

Number of genes

p value

adjusted p value by Benjamini

HCT116 spheroid vs HCT116 cell (D method)

RNA transport

48

3.38E-11

8.63E-09

Regulation of actin cytoskeleton

49

1.69E-08

2.15E-06

Insulin signaling pathway

36

9.21E-08

7.83E-06

ErbB signaling pathway

27

1.30E-07

8.30E-06

Proteoglycans in cancer

45

1.90E-07

9.71E-06

Tight junction

35

2.47E-07

1.05E-05

Endocytosis

53

2.91E-07

1.06E-05

MAPK signaling pathway

48

1.43E-05

4.55E-04

Focal adhesion

41

1.80E-05

5.09E-04

Bacterial invasion of epithelial cells

21

4.53E-05

0.0012

Pathogenic Escherichia coli infection

16

7.45E-05

0.0017

Neurotrophin signaling pathway

27

8.20E-05

0.0017

Insulin resistance

25

1.00E-04

0.0020

mTOR signaling pathway

17

1.01E-04

0.0018

Salmonella infection

21

1.16E-04

0.0020

Adherens junction

19

1.26E-04

0.0020

Fc gamma R-mediated phagocytosis

21

1.39E-04

0.0021

Thyroid hormone signaling pathway

25

2.43E-04

0.0034

AMPK signaling pathway

26

2.83E-04

0.0038

Epstein-Barr virus infection

35

3.91E-04

0.0050

Non-small cell lung cancer

15

8.15E-04

0.0098

HCT116 spheroid vs HCT116 cell (CR method)

Ribosome

48

1.97E-18

4.78E-16

Epstein-Barr virus infection

42

7.68E-09

9.29E-07

Pathogenic Escherichia coli infection

19

5.79E-08

4.67E-06

Regulation of actin cytoskeleton

41

4.88E-07

2.95E-05

Salmonella infection

23

6.43E-07

3.11E-05

Endocytosis

46

1.10E-06

4.42E-05

AMPK signaling pathway

28

1.75E-06

6.06E-05

Focal adhesion

38

5.03E-06

1.52E-04

Neurotrophin signaling pathway

26

1.32E-05

3.54E-04

Proteoglycans in cancer

36

1.64E-05

3.96E-04

Insulin signaling pathway

28

2.01E-05

4.42E-04

Carbon metabolism

24

4.29E-05

8.66E-04

mTOR signaling pathway

16

5.39E-05

0.0010

Spliceosome

26

8.10E-05

0.0014

Protein processing in endoplasmic reticulum

30

1.25E-04

0.0020

RNA transport

30

1.71E-04

0.0026

Proteasome

13

1.73E-04

0.0025

Bacterial invasion of epithelial cells

18

1.78E-04

0.0024

ErbB signaling pathway

19

2.32E-04

0.0030

Endometrial cancer

14

2.44E-04

0.0029

Biosynthesis of antibiotics

34

2.97E-04

0.0034

Biosynthesis of amino acids

17

3.02E-04

0.0033

Glycolysis/Gluconeogenesis

16

3.10E-04

0.0033

Shigellosis

15

6.27E-04

0.0063

Renal cell carcinoma

15

7.40E-04

0.0071

  1. Terms regarding phosphosignaling pathways that are commonly significant in the both 3D culture samples are indicated in bold font.