preincubation of normal pmn with iga from the patient 's serum ( 0.5 mg/ml ) inhibited chemotaxis to c5a and to the chemotactic peptide n-formyl-methionyl-leucyl-phenylalanine ( fmlp ) by 80 % , while iga or igg from pooled human serum and igg from the patient were without effect .
C0008018
chemotaxis
C1367710
c5a