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Detection of cytomegalovirus in clinical specimens by virus isolation and by a monoclonal antibody against the early nuclear antigen

✍ Scribed by Therese Popow-Kraupp; Christian Kunz

Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
500 KB
Volume
24
Category
Article
ISSN
0146-6615

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✦ Synopsis

A commercially available monoclonal antibody against the 72000 Dalton early nuclear protein (EA) of cytomegalovirus (CMV) strain AD169 was used in an indirect immunofluorescence staining procedure (IF) for rapid detection of CMV-infected cells in tissue cultures inoculated with clinical specimens (200 urines, 22 throat washings, 5 stools, 4 bronchoalveolar lavage fluids). The results obtained by this method were compared with those obtained by virus isolation with and without centrifugal enhancement of viral infectivity.

In 66 (28.6%) of the 231 samples, CMV was detected by at least one of the methods used. Of 59 specimens producing CMV-specific cytopathic effect (CPE) in tissue culture, 46 (78%) were also positive in the EA test 16 hours after inoculation. Seven CPE-negative samples were, however, positive in the EA test. Five (38%) of the false negative EA test results were due to CMV strains that did not react with the monoclonal antibody used.

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