Table 2.
Yield of aggregated and non-aggregated disc proteoglycans
| Age (years) | Fraction | NP %A1 | NP %Vi | AF %A1 | AF %Vi |
|---|---|---|---|---|---|
| 24 | Vo | 24.1 | – | 41.5 | – |
| Vi1 | 30.4 | 40 | 39.2 | 67 | |
| Vi2 | 45.5 | 60 | 19.3 | 33 | |
| 56 | Vo | 30.9 | – | 43.2 | – |
| Vi1 | 38.8 | 56 | 41.9 | 74 | |
| Vi2 | 30.3 | 44 | 14.9 | 26 |
A1 proteoglycan aggregate preparation, AF annulus fibrous, NP nucleus pulposus, Vo the aggregated proteoglycans eluting at the void volume on gel filtration, Vi1 the non-aggregated proteoglycans eluting in the first part of the included volume on gel filtration, Vi2 the non-aggregated proteoglycans eluting in the second part of the included volume on gel filtration