Table 1.

Culture conditions A–F and harvesting time after incubation start

Conditions	Sample collection, days of incubation
	Medium	Tissue
Uninjured cartilage (A)	0.25, 1, 2, 4, 6, 8, 10, 12, 14, 16	0.25, 1, 2, 4, 6, 16
Injured cartilage (B)	0.25, 1, 2, 4, 6, 8, 10, 12, 14, 16	0.25, 1, 2, 4, 6, 16
Uninjured cartilage + SJC (C)	0.25, 1, 2, 4, 6, 8, 10, 12, 14, 16	0.25, 1, 2, 4, 6, 16
Injured cartilage + SJC (D)	0.25, 1, 2, 4, 6, 8, 10, 12, 14, 16	0.25, 1, 2, 4, 6, 16
Injured cartilage + TNF-α (E)	0.25, 1, 2, 4, 6	6
SJC alone (F)	0.25, 1, 2, 4, 6, 8, 10, 12, 14, 16	16

Abbreviations: SJC Synovium + joint capsule, TNF-α Tumor necrosis factor-α