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  • Title: Antibody response to cytomegalovirus (CMV) polypeptides in liver transplant recipients with CMV hepatitis.
    Author: Lazzarotto T, Paya CV, Smith TF, Wiesner RH, Krom R, Landini MP.
    Journal: Microbiologica; 1992 Jan; 15(1):15-22. PubMed ID: 1313529.
    Abstract:
    Immunoblotting (IB) was used to detect the presence of serum antibody against each individual CMV structural polypeptide and the major nonstructural antigen during CMV hepatitis in 12 orthotopic liver transplant recipients to evaluate the diagnostic utility of this technique. The basic phosphoprotein p150 primarily, and to a much lesser extent p65 (lower matrix protein) and p52 (nonstructural DNA-binding protein) were the most recognized antigens by both IgG and IgM class antibodies. Collectively, IgM antibodies were detected to p150 in 9 of 12 (75%) patients and were detected before (2 cases), at the same time (1 case), or after (6 cases) detection of virus in cell cultures. IB was equal to indirect immunofluorescence (IIF) and enzyme immune assay (EIA) for the detection of IgG and superior to EIA for IgM class antibodies to CMV in OLT patients. Our results indicate that the p150 phosphoroprotein is an essential component of serologic assays, especially for the detection of IgM antibodies to CMV.
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