Table 2

Purification of anti–β2-glycoprotein-1 autoantibodies from patients and normal serum

PurificationNormalPatient APatient BPatient C
Purified total IgG, mg 45 8.1 7.0 12 
Purified anti–β2-glycoprotein-1, mg  0.024 0.05 0.095 
Purified IgG depleted of anti–β2-glycoprotein-1 antibodies, mg  7.5 6.5 11 
PurificationNormalPatient APatient BPatient C
Purified total IgG, mg 45 8.1 7.0 12 
Purified anti–β2-glycoprotein-1, mg  0.024 0.05 0.095 
Purified IgG depleted of anti–β2-glycoprotein-1 antibodies, mg  7.5 6.5 11