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Table 5 Cytokine responses to in vitro ConA stimulation

From: The interplay between immune maturation, age, chronic viral infection and environment

Cytokine

Median cytokine levels in pg/ ml (Minimum-Maximum)

SPF-2 Adolescents

Non-SPF Adolescents

SPF-2 vs. Non-SPF Adolescents a

Non-SPF Adults

Non-SPF Adolescents vs. Adults a

Inflammatory

IL-6

58.0

647.7

p < 0.0500

1267.0

NSb

(8.6-1451)

(207.6-1778)

(268.2-2253)

TNF-

1198.0

3436.0

p < 0.0010

6181.0

p < 0.0500

(48.2-4103)

(1260.0-6368.0)

(2246–9517)

IL-1β

23.4

113.7

p < 0.0010

226.3

NS

(0.3-71.4)

(25.5-259.0)

(80.9-795.9)

TNF-β

334.7

1185.0

p < 0.0010

753.2

NS

(31.5-1089.0)

(104.6-2307.0)

(232.3-1465.0)

IL-12p40

1174.0

167.3

p < 0.0001

215.8

NS

(592.9-2068.0)

(15.1-260.8)

(96.2-606.6)

IL-15

4.0

11.3

p < 0.001

11.1

NS

(1.9-8.9)

(0–16.2)

(7.6-15.6)

CXCL-10

33.0

13.1

p < 0.0001

10.6

NS

(16.2-45.0)

(3.0-23.4)

(0.1-22.0)

Anti-Inflammatory

IL-10

53.5

171.2

p = 0.0251

489.7

p = 0.0115

(3.5-974.9)

(20.0-453.0)

(72.3-978.1)

IL-1Rα

6073.0

529.7

p < 0.0001

937.8

p = 0.0279

(1775–15352)

(48.2-887.4)

(266.6-3574.0)

Th differentiation

IL-2

2451.0

4892.0

NS

3511.0

NS

(19.4-21229.0)

(40.6-7656.0)

(814.1-23975)

IFN-γ

681.0

16058.0

p < 0.0010

19656

NS

(5.2-5832.0)

(2704–20164)

(14315–20941)

IL-4

1.3

3.9

p < 0.0500

9.3

p = 0.0015

(0.3-7.3)

(1.1-8.6)

(4.2-21.7)

IL-9

259.2

20.5

p < 0.0001

38.2

p = 0.0089

(126.2-512.0)

(9.8-47.9)

(24.2-103.3)

Chemokines

RANTES

11017.0

970.5

p < 0.0001

1818.0

p = 0.0089

(800.3-37070)

(151.8-2041.0)

(930.2-3434.0)

Eotaxin

13.3

21.3

p = 0.0301

21.7

NS

(4.1-24.1)

(8.0-31.2)

(1.5-25.5)

Cytokine Ratios

IL-12:IL-10

24.1

0.7

p < 0.0010

0.3

NS

(0.8-326)

(0.2-1.1)

(0.2-0.8)

IFN-γ:IL-4

508.2

4329.0

p < 0.0010

2032.0

p = 0.0350

(17.8-8997.0)

(484.6-12917)

(886.0-4871.0)

IL-1β:IL-1Rα

0.004

0.36

p < 0.0001

0.27

NS

(0.0-0.0096)

(0.04-3.69)

(0.06-0.88)

RANTES:Eotaxin

611.3

41.0

p < 0.0001

79.8

p = 0.0435

(64.1-8074.0)

(16.7-158.1)

(52.9-1353.0)

  1. aData were compared by Mann–Whitney test. bNS = non-significant.