Table 9

Reactivity of clones 6 and 8 with alanine substituted analogues of peptide G4

Test (clone 6)CPMSIIFN-γIL-4
Values are mean (SEM).
CPM, counts per minute; APC, antigen presenting cells; SI, stimulation index.
Interferon γ (IFN-γ) and interleukin 4 (IL-4) concentrations shown in pg/ml. Limits of sensitivity: IL-4 30 pg/ml, IFN-γ 30 pg/ml.
T+APC only 572 (42) 00
PQPELPYPQPQLPY9528 (124)154000
AQPELPYPQPQLPY1086 (211) 2 600
PAPELPYPQPQLPY 590 (48) 1 420
Test (clone 6)CPMSIIFN-γIL-4
T+APC only 1053 (911) 310
PQPELPYPQPQLPY14764 (3870)142320
PQAELPYPQPQLPY 343 (110)<1 00
PQPEAPYPQPQLPY 244 (59)<1 00
PQPELAYPQPQLPY 182 (42)<1 00
PQPELPAPQPQLPY 236 (25)<1 00
PQPELPYAQPQLPY 211 (33)<1 00
PQPELPYPAPQLPY 798 (123)<1 310
PQPELPYPQAQLPY 341 (70)<1 00
PQPELPYPQPALPY14454 (197)142050
PQPELPYPQPQAPY13681 (1209)132250
Test (clone 8)CPMSIIFN-γIL-4
T+APC 4238 (418) 50 0
PQPELPYPQPQLPY51683 (913)12575130
PQPELPYPQPQLAY54782 (771)13600 nd
PQPELPYPQPQLPA57467 (1999)14600 nd