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Table 4 Relative signal values of articular cartilage extracellular-matrix-related genes significantly affected by IL-1 and/or glucosamine

From: Exogenous glucosamine globally protects chondrocytes from the arthritogenic effects of IL-1β

Gene

Treatment group

 

No glucosamine, no IL-1

Glucosamine, no IL-1

IL-1, no glucosamine

Glucosamine with IL-1

A disintegrin and metalloproteinase domain 15

142.9

121.3

64.9

98.3

A disintegrin and metalloproteinase domain 17

434.6

533.1

897.4

616.6

ADAMTS-1

457.0

202.1

996.0

359.7

ADAMTS-4

79.2

149.8

76.0

149.4

Aggrecan-1

162.6

154.7

47.1

117.3

Biglycan

80.9

26.1

126.8

19.2

Cartilage link protein

662.1

284.3

75.9

166.7

Chondroitin sulfate proteoglycan 2 (Versican)

135.3

45.3

418.1

60.0

Collagen type II alpha 1, chain precursor

106.4

42.0

3.8

20.6

Collagen type III alpha 1

2710.2

2720.0

1320.4

2242.6

Collagen type VIII alpha 1

622.6

362.5

857.9

493.8

Collagen type XI alpha 1

2510.6

2090.9

1471.5

1830.9

Laminin α-4 chain precursor

238.3

510.2

158.6

410.8

Matrix metalloproteinase 2

1014.0

1388.4

1825.7

1886.2

Matrix metalloproteinase 3

894.7

1966.4

5787.4

4223.6

Matrix metalloproteinase 9

-

11.1

2194.0

36.5

Matrix metalloproteinase 10

-

7.8

271.2

39.6

Matrix metalloproteinase 12

4.9

13.4

1132.0

84.9

Matrix metalloproteinase 13

268.3

2126.9

4497.4

3871.2

Syndecan 2

1515.8

1292.9

656.8

963.4

Syndecan 4

927.7

796.8

2049.2

1327.5

Thrombospondin 4 precursor

2535.4

2217.7

1224.9

1662.6

TIMP-1

1786.8

1857.2

3049.8

2311.4

TIMP-2

995.9

937.0

726.9

923.1

TIMP-3

1317.1

1983.9

1105.3

1859.0