34-1-2s induces a concentration-dependent lung edema in SCID mice. BALB/c mice (●, N > 5) or SCID mice (○, N > 5) were injected with the indicated does of 34-1-2s mAb; and at 2 hours after injection, the mice were killed and lung wet-to-dry ratios were measured. Data are the wet-to-dry ratio at 2 hours after mAb infusion.