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Table 1 Intervertebral disc tissue sample details for mechanically stimulated annulus fibrosus cells

From: The involvement of interleukin-1 and interleukin-4 in the response of human annulus fibrosus cells to cyclic tensile strain: an altered mechanotransduction pathway with degeneration

Sample

Sex

Mean age, yr

Disc level

Histological grade

Source

1

Male

57

L4/L5

1 (nondegenerative)

Postmortem

2

Male

46

L5/S1

1 (nondegenerative)

Postmortem

3

Male

37

L5/S1

1 (nondegenerative)

Postmortem

4

Male

57

L2/L3

7 (mildly degenerative)

Postmortem

5

Female

29

L4/L5

9 (degenerative)

Surgical (discectomy)

6

Male

66

L4/L5

9 (degenerative)

Surgical (discectomy)