Figure 3

Monoclonal IgG gammopathy in a Sardinian 4-month-old female infant. AR T^-B^-NK⁺SCID, modified to T⁺⁺B^-NK⁺ SCID by massive maternal T lymphocyte engraftment; ALC 16,740/μL, IgG 3,390 mg/dL; homozygous frameshift > nonsense mutation of DCLRE1C gene (Artemis defect).