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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
Is IP-10 a better biomarker for active and latent tuberculosis in children than IFNγ?
PLoS ONE, Volume 3, No. 12, Article e3901, Year 2008
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Description
Background: The blood based interferon-gamma release assays (IGRA) for the diagnosis of tuberculosis do not discriminate between active TB disease and latent TB infection (LTBI). The search for distinguishing biomarkers therefore continues, as the accurate diagnosis of tuberculosis is particularly challenging in children. IFN-γ-inducible protein 10 (IP-10/CXCL10) has recently been evaluated as a marker for active TB in adults with promising results. Aim: To investigate this new biomarker for active TB and LTBI in paediatrics. Method: We measured IP-10 levels using ELISA in supernatants of whole blood samples stimulated with TB-specific-antigens and negative control antigen. Results: IP-10 is produced in high levels following mycobacterial antigen stimulation in active TB (n=17) and LTBI (n=16) compared to controls (n=16) and to IFN-γ. The baseline levels of IP-10 are increased in active TB and in LTBI, but there is no significant difference of stimulated levels of IP-10 between active TB and LTBI. Conclusions: IP-10 is a biomarker for tuberculosis in children. However like IFNγ, IP-10 also does not distinguish between active TB and LTBI. © 2008 Whittaker et al.
Authors & Co-Authors
Whittaker, Elizabeth A.
United Kingdom, London
Imperial College London
Kampmann, Beate B.
United Kingdom, London
Imperial College London
Statistics
Citations: 116
Authors: 2
Affiliations: 1
Identifiers
Doi:
10.1371/journal.pone.0003901
ISSN:
19326203
Research Areas
Infectious Diseases
Maternal And Child Health