Epstein‐Barr virus‐associated antibody pattern in untreated non‐Hodgkin lymphoma patients. Relationship to clinical variables and lymphocyte functions

Abstract
Sera from 296 unselected and untreated patients with non‐Hodgkin lymphoma (NHL) classified according to the Rappaport and the Kiel systems were analzyed for antibodies to Epstein‐Barr virus (EBV). The aim of the study was to determine whether antibody spectra and liters to EBV‐coded antigens correlated to clinical and immunological variables and whether the liters were of any prognostic significance. Increased antibody titers to EB viral capsid antigen (VCA) and slightly raised titers to early antigens (EA) of the diffuse (D) and restricted (R) types were noted frequently. Anti‐VCA antibody titers correlated to clinical stage and age of the patients but not to histological. subgroups according to the Rappaport or the Kiel classification systems. However, and‐VCA titers ⩾ 1:2560 were seen only in diffuse lymphomas according to the Rappaport and in non‐follicle cell‐derived lymphomas according to the Kiel classifications. Patients with complement‐receptor‐positive diffuse lymphomas had higher anti‐VGA titers than complement‐receptor‐positive nodular cases. Anti‐VCA titers also correlated positively to serum IgG levels (p p p <0.05). Only anti‐D 1:40 at diagnosis predicted a poor prognosis.

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