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Table 5 Cytokine levels for various peptide formulations by cocktail approach. Cytokine levels as measured for various peptide formulations generated by cocktail approach (The value represents the level of cytokines obtained from wells pulsed with the optimal antigen (peptides alone or in adjuvant systems) concentration which showed maximal T-cell stimulation index for mice primed with cocktail of peptides.

From: Generating neutralizing antibodies, Th1 response and MHC non restricted immunogenicity of HIV-I env and gagpeptides in liposomes and ISCOMs with in-built adjuvanticity

Strain→

H-2 Haplotypes

Cytokines (pg/ml)

Formulation↓

BALB/c

(H-2d)

CBA/J

(H-2k)

 

V3-gp41 Peptide

623 ± 53

504 ± 29

IFN-γ

 

440 ± 19

291 ± 38

IL-2

 

41 ± 8

35 ± 4

IL-4

V3-gp41 in Liposomes

1100 ± 101

992 ± 63

IFN-γ

 

487 ± 21

321 ± 28

IL-2

 

70 ± 14

30 ± 2

IL-4

V3-gp41 in ISCOMs

1543 ± 165

1312 ± 287

IFN-γ

 

511 ± 28

360 ± 14

IL-2

 

60 ± 20

42 ± 9

IL-4

V3-gp41: MA729 in Liposomes

1210 ± 84

1413 ± 152

IFN-γ

 

489 ± 31

392 ± 30

IL-2

 

58 ± 2

58 ± 6

IL-4

gp41 Peptide

589 ± 54

623 ± 82

IFN-γ

 

401 ± 16

368 ± 41

IL-2

 

62 ± 11

48 ± 21

IL-4

gp41 Peptide in Liposomes

891 ± 16

924 ± 72

IFN-γ

 

519 ± 2

400 ± 21

IL-2

 

18 ± 54

32 ± 11

IL-4

gp41 Peptide in ISCOMs

937 ± 20

1321 ± 91

IFN-γ

 

521 ± 9

500 ± 48

IL-2

 

61 ± 156

51 ± 4

IL-4

gp41 : MA729 in Liposomes

1230 ± 19

1601 ± 134

IFN-γ

 

620 ± 10

635 ± 178

IL-2

 

20 ± 71

40 ± 2

IL-4

p17 Peptide

453 ± 31

368 ± 28

IFN-γ

 

301 ± 31

371 ± 18

IL-2

 

16 ± 3

20 ± 4

IL-4

p17 Peptide in Liposomes

1211 ± 96

892 ± 44

IFN-γ

 

520 ± 25

421 ± 28

IL-2

 

65 ± 9

30 ± 5

IL-4

p17 Peptide in ISCOMs

1135 ± 157

1031 ± 45

IFN-γ

 

520 ± 25

423 ± 21

IL-2

 

45 ± 5

31 ± 8

IL-4

p17 : MA729 in Liposomes

933 ± 28

1214 ± 76

IFN-γ

 

581 ± 34

408 ± 16

IL-2

 

53 ± 8

55 ± 7

IL-4

p24 Peptide

411 ± 40

284 ± 33

IFN-γ

 

387 ± 22

258 ± 19

IL-2

 

48 ± 7

54 ± 9

IL-4

p24 Peptide in Liposomes

989 ± 107

1123 ± 49

IFN-γ

 

460 ± 42

270 ± 29

IL-2

 

55 ± 6

34 ± 9

IL-4

p24 Peptide in ISCOMs

1007 ± 129

1290 ± 121

IFN-γ

 

508 ± 16

689 ± 43

IL-2

 

49 ± 8

36 ± 2

IL-4

p24 : MA729 in Liposomes

1241 ± 68

1334 ± 59

IFN-γ

 

500 ± 24

621 ± 26

IL-2

 

52 ± 7

41 ± 4

IL-4

  1. The value represents the level of cytokines obtained from wells pulsed with the optimal antigen concentration (peptides alone or in adjuvant systems) which showed maximal T-cell stimulation index for mice primed with cocktail of peptides.