Table 3. Percent recovery of MMPs diluted in buffer or extracted from spiked Schirmer strips.
|
|
Recovery in assay buffer |
Recovery in extraction buffer |
||
|---|---|---|---|---|
| MMP | Diluted sample (Mean/SE) | Extracted SS sample (Mean/SE) | Diluted sample (Mean/SE) | Extracted SS sample (Mean/SE) |
| MMP-1 |
92.1 ± 7.8 |
88.9 ± 4.0 |
91.1 ± 9.7 |
78.5 ± 7.5 |
| MMP-2 |
94.3 ± 3.1 |
89.4 ± 5.1 |
86.8 ± 3.9 |
81.4 ± 5.0 |
| MMP-7 |
93.6 ± 5.0 |
68.2* ± 5.1 |
86.7 ± 2.5 |
76.3 ± 17.3 |
| MMP-9 |
96.7 ± 9.2 |
86.1 ± 8.5 |
100.2 ± 8.3 |
84.5 ± 6.8 |
| MMP-10 | 87.0 ± 6.3 | 79.3 ± 2.7 | 94.4 ± 7.5 | 77.2 ± 3.4 |
*p<0.05 versus MMP from diluted sample with extracted and concentration calculated from equivalent buffers. n=10 for all data.