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Rapid diagnosis of influenza infection of NP antigen using an immunocapture ELISA test

Identifieur interne : 000304 ( France/Analysis ); précédent : 000303; suivant : 000305

Rapid diagnosis of influenza infection of NP antigen using an immunocapture ELISA test

Auteurs : J. J. Chomel [France] ; D. Thouvenot [France] ; M. Onno [France] ; C. Kaiser [France] ; J. M. Gourreau [France] ; M. Aymard [France]

Source :

RBID : ISTEX:530BE6557D7CEA2C14275DEBC1B1569F1801A53D

English descriptors

Abstract

Abstract: An immunocapture ELISA test for the diagnosis of human and animal influenza A and/or B is described. A monoclonal anti-nucleoprotein (NP) antibody was used to capture the NP antigen and the captured antigen was detected by an anti-NP polyclonal rabbit antiserum. Compared with the usual diagnostic method by cultivation in embryonated eggs, this test had a high specificity (97%) and sensitivity when used for diagnosis using clinical nasopharyngeal samples obtained from patients and animals. Immunocapture ELISA permitted an easier reading than the indirect immunofluorescence technique. It also permitted diagnosis in frozen samples (− 20°C) or in infected LLCMK2 cells mixed with uninfected nasopharyngeal cells and kept at 20°C for one week.This test can be carried out in 3 h.

Url:
DOI: 10.1016/0166-0934(89)90102-X


Affiliations:


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ISTEX:530BE6557D7CEA2C14275DEBC1B1569F1801A53D

Le document en format XML

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