|  | Percentage of labelled neurons | ||
---|---|---|---|---|
Experimental group | Test site | BK–gold | BK–gold + BK1 agonist | BK–gold + BK2 agonist |
Untreated control animals | i.l. | 38.8 ± 7.0 | 38.0 ± 2.4 | 0 |
 | c.l. | 40.4 ± 0.9 | 41.6 ± 4.6 | 1.2 ± 1.8 |
Immunized rats without knee injection | i.l. | 42.0 ± 1.4 | 38.8 ± 2.3 | 0 |
 | c.l. | 41.6 ± 5.2 | 38.8 ± 6.1 | 0 |
Rats at 3 days of AIA | i.l. | 77.0 ± 3.4 | 83.4 ± 2.9 | 0.4 ± 0.9 |
 | c.l. | 88.0 ± 4.7 | 88.0 ± 4.7 | 1.6 ± 2.1 |
Rats at 42 days of AIA | i.l. | 74.8 ± 4.8 | 71.6 ± 8.9 | 0.4 ± 0.9 |
 | c.l. | 38.8 ± 2.3 | 38.0 ± 2.5 | 1.6 ± 3.6 |