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Blood or Urine IP-10 Cannot Discriminate between Active Tuberculosis and Respiratory Diseases Different from Tuberculosis in Children

Petrone, L., Cannas, A., Aloi, F., Nsubuga, M., Sserumkuma, J., Nazziwa, R. A., Jugheli, L., Lukindo, T., Girardi, E., Reither, K. and Goletti, D. (2015) Blood or Urine IP-10 Cannot Discriminate between Active Tuberculosis and Respiratory Diseases Different from Tuberculosis in Children. BioMed Research International. ISSN 2314-6133

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Abstract

Interferon-y inducible protein 10 (IP-10), either in blood or in urine, has been proposed as a tuberculosis (TB) biomarker for adults. This study aims to evaluate the potential of IP-10 diagnostics in children from Uganda, a high TB-endemic country. IP-10 was measured in the blood and urine concomitantly taken from children who were prospectively enrolled with suspected active TB, with or without HIV infection. Clinical/microbiological parameters and commercially available TB-immune assays (tuberculin skin test (TST) and QuantiFERON TB-Gold In-Tube (QFT-IT)) were concomitantly evaluated. One hundred twenty-eight children were prospectively enrolled.The analysis was performed on 111 children: 80 (72%) of them were HIVuninfected and 31 (27.9%) were HIV-infected. Thirty-three healthy adult donors (HAD) were included as controls. The data showed that IP-10 is detectable in the urine and blood of children with active TB, independent of HIV status and age. However, although IP-10 levels were higher in active TB children compared to HAD, the accuracy of identifying “active TB” was low and similar to the TST and QFT-IT. IP-10 levels are higher in children with respiratory illness compared to controls, independent of “TB status” suggesting that the evaluation of this parameter can be used as an inflammatory marker more than a TB test.

Item Type: Article
Keywords: Tuberculosis, Blood,Urine IP-10, Respiratory Diseases, Children
Subjects: Tuberculosis > Diagnosis
Divisions: Ifakara Health Institute > Biomedical
Depositing User: Mr Joseph Madata
Date Deposited: 12 Aug 2015 15:10
Last Modified: 12 Aug 2015 15:10
URI: http://ihi.eprints.org/id/eprint/3317

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