Double immunoenzymatic staining for the simultaneous detection of Epstein-Barr virus induced antigens

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Abstract
A double indirect immunoenzymatic staining was developed for the simultaneous visualization of Epstein-Barr virus-induced early antigens and virus capsid antigens in P3HR1 lymphoblastoid cell line. The double immunocytochemical staining was performed with a four-stage and a two-stage procedure employing human sera and monoclonal antibodies against Epstein-Barr virus-induced antigens, followed by the addition of specific alkaline phosphatase and peroxidase labeled antisera. The selection of substrates yielding reaction products of contrasting colours enabled the observer to distinguish cells expressing Epstein-Barr virus capsid antigens (blue) from cells expressing Epstein-Barr virus early antigens (brown).

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