Table 2. Protective activity of the recombinant proteins of P. aeruginosa when using different amounts of the preparations at the second immunization.
Recombinant proteins and dose (µg) Adjuvant and dose (µg) |
Infection dose (mln m.c.) |
Number of died/survived mice |
LD50 (mln m.c.) |
IE* |
|
First immunization |
Second immunization |
||||
OprF 25 aluminum hydroxide 25 |
OprF 25 aluminum hydroxide 25 |
200 |
10/1 |
32.2 |
2.0 |
50 |
6/5 |
||||
12.5 |
4/7 |
||||
OprF 25 - |
200 |
10/2 |
35.4 |
2.2 |
|
50 |
6/6 |
||||
12.5 |
5/7 |
||||
OprF 12.5 aluminum hydroxide 12.5 |
200 |
12/0 |
28.1 |
1.7 |
|
50 |
8/4 |
||||
12.5 |
3/9 |
||||
toxoid 50
aluminum hydroxide 50 |
toxoid 50 aluminum hydroxide 50 |
200 |
10/1 |
36.5 |
2.2 |
50 |
7/4 |
||||
12.5 |
2/9 |
||||
toxoid 50 - |
200 |
9/2 |
36.5 |
2.2 |
|
50 |
8/3 |
||||
12.5 |
2/9 |
||||
toxoid 25 aluminum hydroxide 25 |
200 |
11/1 |
35.4 |
2.2 |
|
50 |
7/4 |
||||
12.5 |
3/9 |
||||
OprF 25 chitosan 50 |
OprF 25 chitosan 50 |
200 |
9/2 |
36.5 |
2.2 |
50 |
5/6 |
||||
12.5 |
5/6 |
||||
OprF 25 - |
200 |
8/2 |
42,9 |
2.6 |
|
50 |
7/3 |
||||
12.5 |
1/8 |
||||
OprF 12.5 chitosan 50 |
200 |
10/1 |
32.2 |
2.0 |
|
50 |
8/3 |
||||
12.5 |
2/9 |
||||
toxoid 50 µg chitosan, 50 µg |
toxoid 50 chitosan 50 |
200 |
8/3 |
47.0 |
2.9 |
50 |
7/4 |
||||
12.5 |
2/9 |
||||
toxoid 50 - |
200 |
9/2 |
53.3 |
3.2 |
|
50 |
4/7 |
||||
12.5 |
3/8 |
||||
toxoid 25 chitosan 50 |
200 |
8/3 |
47.0 |
2.9 |
|
50 |
7/4 |
||||
12.5 |
2/9 |
||||
non-immunized mice |
100 |
10/0 |
16.5 |
- |
|
25 |
8/2 |
||||
6.25 |
0/10 |
*IE – Indices of effectiveness of protective properties