Figure 4.

AprA does not induce chemorepulsion of neutrophils. (A) 1.6 µg/mL of rAprA was added to one side of an Insall chamber, and the movement of neutrophils towards or away from the AprA was measured. (B) 0.3 µg/mL of bac‐rAprA or the indicated concentration of 293‐rAprA was added to one side of an Insall chamber, and the movement of D. discoideum cells was measured. Positive values indicate that cells move away from rAprA. Values are mean ± SEM, n = 3. * indicates P < 0.05, **P < 0.01 (t test).