PMC10117972_01
Serum electrophoresis and immunofixation electrophoresis of the patient.
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F1
The level of immunoglobulin A was 5.97 g/L, and immunofixation electrophoresis (IFE) revealed IgA-lambda (Figure 1). His karyotype was normal, and he had the beta-thalassemia mutation (genotype of CD41-42) (Supplementary Figure 1).