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Clin Exp Immunol. 1989 Feb;75(2):234-8.

Specific serum immunoglobulin D, detected by antibody capture enzyme-linked immunosorbent assay (ELISA), in cytomegalovirus infection.

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Institute of Medical Microbiology, University of Aarhus, Denmark.


An antibody capture enzyme-linked immunosorbent assay (ELISA) was developed for the detection of immunoglobulin D (IgD) antibodies to cytomegalovirus (CMV) in sera from blood donors and various groups of patients infected with CMV. This method has previously been found especially valuable in detecting specific antibodies of the IgM, IgE, IgA and IgG class in patients with CMV infection. Specific CMV IgD antibodies were found in 37% of CMV seropositive blood donors and in 47 (88%) of the 53 patients investigated, including bone marrow transplant and renal allograft transplant patients, patients with CMV mononucleosis, neonates with CMV infection and AIDS patients with CMV infection. The highest IgD reactivity was found in patients having either a primary post-transplant CMV infection or CMV mononucleosis. The IgD reactivity in patients with AIDS and in neonates was low. It was also found that in the acute phase of CMV infection the development of CMV antibodies of the IgD class was similar to the development of antibodies of the other classes. The maintenance of IgD activity in some patients together with the presence of CMV IgD antibodies in a great proportion of the blood donors indicates that the development of CMV IgD antibodies resembles that of the IgG class. Determination of specific IgD antibodies offered no advantage over determination of specific antibodies of the IgM, IgE and IgA classes in the diagnosis of CMV infection.

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