Correlation between Tissue Characterization and Dynamic Expression of Matrix Metalloproteinase-2 and Its Tissue Inhibitor in Conjunctival Filtering Bleb of Rats

Table 3

The expression of MMP-2 in conjunctival and subconjunctival tissue of filtration area by western blot (average gray value, , ).

Group	Cases	Average gray value
Control group	6	121.67 ± 4.37
At day 1	6	63.17 ± 6.11
At day 3	6	183.67 ± 5.61
At day 5	6	196.83 ± 9.72
At day 7	6	230.50 ± 8.48
At day 14	6	192.67 ± 6.12
At day 28	6	172.33 ± 8.43