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  • Title: Immunopathologic studies of systemic lupus erythematosus (SLE). I. Tissue-bound immunoglobulins in relation to serum antinuclear immunoglobulins in systemic lupus and in chronic liver disease with LE cell factor.
    Author: Svec KH, Blair JD, Kaplan MH.
    Journal: J Clin Invest; 1967 Apr; 46(4):558-68. PubMed ID: 4164259.
    Abstract:
    We studied the composition of tissue-bound immunoglobulins and of antinuclear factors by immunofluorescent techniques in five patients with systemic lupus and two with chronic liver disease associated with positive LE cell tests. Renal glomeruli in all seven demonstrated deposits of bound gammaG-globulin and complement, although the presence of gammaA- and gammaM-immunoglobulins was variable. Blood vessel walls contained primarily gammaG-globulin and complement in the systemic lupus patients, but such deposits were absent from vessels in the two with chronic liver disease. We observed antinuclear factors, demonstrated by immunofluorescence, in all three immunoglobulin classes. In six of the seven patients, evidence was obtained of a correspondence between the classes of bound immunoglobulins in glomeruli and vessels and the serum titers of antinuclear immunoglobulins. These observations are consistent with the concept that immunoglobulin deposits in tissues may be derived at least in part from antinuclear factors. Neither bound immunoglobulins nor complement was observed in liver parenchyma of the two patients with chronic liver disease or in two patients with systemic lupus and liver pathology. It thus seems doubtful that serum antibodies play a primary role in the pathogenesis of forms of chronic liver disease associated with positive LE cell tests.
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