These data indicate that Th1 cells predominate in the nonpregnant endometrium, especially during the proliferative phase, while Th2 cells predominate in early pregnancy decidua.
A 75-year-old woman with rheumatoid arthritis showed a discrepancy between the reduced level of serum gamma globulin on cellulose acetate electrophoresis and the normal level of serum IgG determined by laser nephelometry. Although no M-peak was detectable on cellulose acetate electrophoresis, immunoelectrophoresis of the patient's serum revealed a monoclonal protein reacting with anti-IgG antiserum but not with anti-kappa or anti-lambda light chain antiserum. Western blotting of the patient's serum showed abnormal low-molecular-weight gamma chains. Thus, the patient was diagnosed with gamma heavy chain disease. A comparison of gamma globulin levels determined by different methods may be useful when screening for this disease.
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