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