Evidence for T Cell Help in the IgG Response against Tandemly Repetitive Trypanosoma cruzi B13 Protein in Chronic Chagas Disease Patients
Figure 4
Direct ELISA for levels of the four subclasses of IgG reactive to recombinant B13 protein in the solid phase in HLA+ subjects () and HLAβ subjects (). The horizontal bar indicates median concentration of each IgG subclass in each group: IgG1; IgG2; IgG3; IgG4.
