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Published in: BMC Neurology 1/2004

Open Access 01-12-2004 | Research article

Differential diagnosis of tuberculous meningitis from partially-treated pyogenic meningitis by cell ELISA

Authors: Rajpal S Kashyap, Rani P Kainthla, Ravindra M Satpute, Neha P Agarwal, Nitin H Chandak, Hemant J Purohit, Girdhar M Taori, Hatim F Daginawala

Published in: BMC Neurology | Issue 1/2004

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Abstract

Background

Tuberculous meningitis (TBM) is a major global health problem, and it is sometimes difficult to perform a differential diagnosis of this disease from other diseases, particularly partially-treated pyogenic meningitis (PTPM). In an earlier study, we demonstrated the presence of a 30-kD protein antigen in cerebrospinal fluid (CSF) of TBM patients. We have also shown that lymphocytes from CSF of TBM patients respond differently to this antigen than do those from PTPM patients. The purpose of this study was to develop an assay that can discriminate between TBM and PTPM.

Methods

We developed a cell enzyme-linked immunosorbant assay (Cell ELISA) to quantitatively measure production of antibodies against the 30-kD protein in B cells from CSF of TBM and PTPM patients.

Results

The cell ELISA yielded 92% (11/12) sensitivity and 92% (11/12) specificity for the differential diagnosis of TBM from PTPM.

Conclusion

When induced with the 30-kD protein antigen, B cells derived from CSF of TBM patients respond to IgG production within 24 h while those derived from PTPM patients do not respond.
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Metadata
Title
Differential diagnosis of tuberculous meningitis from partially-treated pyogenic meningitis by cell ELISA
Authors
Rajpal S Kashyap
Rani P Kainthla
Ravindra M Satpute
Neha P Agarwal
Nitin H Chandak
Hemant J Purohit
Girdhar M Taori
Hatim F Daginawala
Publication date
01-12-2004
Publisher
BioMed Central
Published in
BMC Neurology / Issue 1/2004
Electronic ISSN: 1471-2377
DOI
https://doi.org/10.1186/1471-2377-4-16

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