Fig. 2.
![Fig. 2. Cytotoxicity and specificity of GM-CSF toxins on target cells. The colon lines SW403 (A) and LS174T (B) were incubated with GM-CSF–PE38KDEL and DT388–GM-CSF was incubated with the leukemia lines HL60 (C) and U937 (D) in the presence (•, ▴) or absence (○, ▵) of 5 μg/mL of GM-CSF. The cells were pulsed with [3H]-leucine and harvested, and the leucine incorporation was determined.](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/90/1/10.1182_blood.v90.1.252/5/bl_0029f2.jpeg?Expires=1735548205&Signature=jyImUMPgvfXThcKBRDCeftiBD-I86sOiQbXLB4DOXKpbdzY6G2Eo2I~M1jjNQwnwHAQaAp~VoS6VkTBZM0max1JPHHKG1ZeuWwN-y1h~SypkQ5De6ICJXJ0Lmnac78Evhl4f-H2RkaT3ZffCbiU4CZlmDC5901qESbJIsp762xE5hjpHhoBUXAULY5pawIITG7-VnPaNWJCWlfNa0Rz9K6DoFPxXwtTZFKaCvXsTUixKJn7fm5duz0SP3KpAH5-cajeaMFTIofvnsK5khsLhYdIIGhXy58MDXgU7exEVAGbfvvyg4HIRoTsbf6m3uOxCOXsTuIKZgnK7saJawmhMSg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Cytotoxicity and specificity of GM-CSF toxins on target cells. The colon lines SW403 (A) and LS174T (B) were incubated with GM-CSF–PE38KDEL and DT388–GM-CSF was incubated with the leukemia lines HL60 (C) and U937 (D) in the presence (•, ▴) or absence (○, ▵) of 5 μg/mL of GM-CSF. The cells were pulsed with [3H]-leucine and harvested, and the leucine incorporation was determined.
