Table 3 Discriminant proteins between the different saliva collection methods in healthy participants.

From: The proteomic profile of whole and glandular saliva in healthy pain-free subjects

SPOT NO

VIP

Parotid saliva

Sublingual saliva

Whole saliva

Unstimulated

Stimulated

Unstimulated

Stimulated

Unstimulated

Stimulated

0104 PROLACTIN INDUCIBLE PROTEIN

1.71

2988.0 (2126.44) N = 10

2434.09 (2202, 96) N = 10

1220.01 (838.06) N = 9

287.15 (75.87) N = 2

0105 PROLACTIN INDUCIBLE PROTEIN

1.65

273.20 N = 1

3253.50 (493.76) N = 4

2594.71 (871.97) N = 8

7901 IG A

1.59

2482.8 (2058.95) N = 2

1188.8 (237.72) N = 3

3215.11 (4007.45) N = 9

1745.21 (1410.92) N = 7

2168.50 (2590.51) N = 9

1603.02 (1198.34) N = 10

3502 ZN-Α-GLYCOPROTEIN

1.49

7963.53 (2409.24) N = 3

4234.48 (1776.09) N = 10

6895.01 (3871.87) N = 10

6877.32 (3883.61) N = 9

4101.38 (2040.10) N = 10

5669.56 (2412.18) N = 9

8104 CYSTATIN SN

1.43

268.125 (481.49) N = 8

910.52 (614.10) N = 7

1048.4 (418.59) N = 8

1638.12 (1398.74) N = 9

2032.14 (4084.58) N = 10

ZN-Α-GLYCOPROTEIN

1.38

1431, 00 (901.98) N = 3

744.35 (475.45) N = 4

515.32 (183.11) N = 5

811.64 (614.19) N = 7

389.62 (367.96) N = 5

2304 SPLUNC 2

1.36

229.85 (76.29) N = 2

195.35 (63.7) N = 2

159.328 (158.96) N = 7

172.67 (112.65) N = 7

112.36 (56.33) N = 3

3403 ZN-Α-GLYCOPROTEIN

1.33

2256.80 (2077.79) N = 10

1303.60 (488.31) N = 3

3857.20 (3096.16) N = 8

3244.01 (3126.57) N = 7

4959.75 (90.43) N = 2

2902 IG a

1.30

1824.80 N = 1

1636.72 (1459.85) N = 4

2345.95 (1055.63) N = 2

3669.51 (2084.45) N = 9

3087.30 (2302.38) N = 10

1464.10 (1175.82) N = 7

1101 PROLACTIN INDUCIBLE PROTEIN

1.28

221.85 (169.21) N = 2

345.68 (262.87) N = 10

5670.8 (2673.64) N = 10

6917.96 (4527.83) N = 10

7782.34 (3910.71) N = 10

1943.79 (982.69) N = 10

3601 ALPHA 1-ANTITRYPSIN

1.28

356.90 (3.32) N = 2

463.42 (262.94) N = 7

1316.47 (1119.60) N = 4

343.12 (143.63) N = 8

485.22 (107.36) N = 4

642.15 (418.15) N = 8

2710 αLPHA1-ANTITRYPSIN

1.27

243.8 N = 1

72.5 N = 1

398.8 (396.30) N = 7

204.52 (195.99) N = 5

306.92 (280.82) N = 4

5501 ZN-Α-GLYCOPROTEIN

1.26

553.90 N = 1

1046.41 (943.96) N = 10

291.05 (36.13) N = 2

522.02 (289.49) N = 7

496.98 (344.95) N = 7

1019.70 N = 1

2702 αLPHA1-ANTITRYPSIN

1.25

124.6 N = 1

241.83 (132.50) N = 3

97.8 N = 1

185.08 (152.40) N = 5

77.13 (52.32) N = 6

331.8 (329.86) N = 3

6204 IG LIGHT CHAIN

1.25

754.6 N = 1

752.64 (1083.45) N = 5

817.45 (624.99) N = 6

238.9 (103.36) N = 5

695.81 (351.43) N = 8

386.58 (99.77) N = 5

2002 CYSTATIN C

1.24

149.96 (62.49) N = 3

222.65 (116.75) N = 4

289.35 (174.20) N = 4

861.45 (652.36) N = 9

1006 UN IDENTIFIED

1.23

82.38 (120.03) N = 8

833.4 (825.61) N = 2

284.35 (177.13) N = 2

793.5 N = 1

752.95 (754.69) N = 2

2904 IG A

1.23

1492.8 (1547.33) N = 3

1487.94 (839.74) N = 5

3465.5 (2271.26) N = 10

2618.98 (1956.63) N = 9

2233.91 (1461.74) N = 9

1781.01 (814.97) N = 8

8507 UN IDENTIFIED

1.21

233.75 (13.22) N = 2

448.91 (604.82) N = 8

548.2 (542.06) N = 7

418.05 (350.38) N = 4

604.28 (296.05) N = 5

6505 UN IDENTIFIED

1.21

3556.8 N = 1

2488.31 (1587.53) N = 8

838.22 (641.70) N = 5

1480.3 (806.11) N = 7

2175.7 (2191.21) N = 7

1984.46 (1621.61) N = 6

4003 UN IDENTIFIED

1.21

208.42 (249.95) N = 7

295.38 (417.87) N = 8

316.33 (374.77) N = 3

220.6 (133.36) N = 4

7702 UN IDENTIFIED

1.20

4148.86 (3268.70) N = 3

3338.56 (3098.76) N = 6

1581.8 (1693.81) N = 7

1089.54 (808.98) N = 9

1534.88 (1248.49) N = 9

2125.014 (1288.67) N = 7

1507 ZN-Α-GLYCOPROTEIN

1.20

1279.5 N = 1

1587.31 (1178.44) N = 6

4356.77 (2420.91) N = 10

3658.72 (3223.08) N = 8

5160.97 (3608.14) N = 10

2439.26 (2376.96) N = 9

1001 UN IDENTIFIED

1.20

736.5 (531.96) N = 3

1156.57 (915.71) N = 10

1391.15 (1186.59) N = 2

946.48 (682.96) N = 9

  1. Proteins with a variable of importance (VIP) above 1.2 in the orthogonal partial least squares discriminant analysis model are listed in this table. The values are reported as mean (SD) of the optical density of the protein spots.
  2. N = number of subjects in each group where the proteins were detected, VIP = variable of importance.