AI Article Synopsis
- - This study focuses on improving the diagnosis of tuberculosis (TB) by analyzing the levels of various cytokines in patients to differentiate between active TB, latent TB infection, and healthy controls.
- - Researchers tested blood samples from different groups using the QuantiFERON-TB Gold Plus (QFT-Plus) test and used multiplex assays to measure multiple cytokines after stimulation with specific antigens.
- - The results indicated that cytokine levels, especially IP-10 and IL-1Ra, could effectively distinguish between active TB and other conditions, suggesting these markers may enhance TB diagnostic methods beyond the traditional focus on IFN-γ.
Article Abstract
Background: More efficient and convenient diagnostic method is a desperate need to reduce the burden of tuberculosis (TB). This study explores the multiple cytokines secretion based on QuantiFERON-TB Gold Plus (QFT-Plus), and screens for optimal cytokines with diagnostic potential to differentiate TB infection status.
Methods: Twenty active tuberculosis (ATB) patients, fifteen patients with latent TB infection (LTBI), ten patients with previous TB and ten healthy controls (HC) were enrolled. Whole blood samples were collected and stimulated by QFT-Plus TB1 and TB2 antigens. The levels of IFN-γ, TNF-α, IL-2, IL-6, IL-5, IL-10, IP-10, IL-1Ra, CXCL-1 and MCP-1 in supernatant were measured by Luminex bead-based multiplex assays. The receiver operating characteristic curve was used to evaluate the diagnostic accuracy of cytokine for distinguishing different TB infection status.
Results: After stimulation with QFT-Plus TB1 and TB2 antigens, the levels of all cytokines, except IL-5 in TB2 tube, in ATB group were significantly higher than that in HC group. The levels of IL-1Ra concurrently showed the equally highest AUC for distinguishing TB infection from HC, followed by the levels of IP-10 in both TB1 tube and TB2 tube. Moreover, IP-10 levels displayed the largest AUC for distinguishing ATB patients from non-ATB patients. Meanwhile, the levels of IP-10 also demonstrated the largest AUC in both TB1 tube and TB2 tube for distinguishing ATB patients from LTBI.
Conclusions: In addition to conventional detection of IFN-γ, measuring IP-10 and IL-1Ra based on QFT-Plus may have the more tremendous potential to discriminate different TB infection status.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10762904 | PMC |
| http://dx.doi.org/10.1186/s12879-023-08943-0 | DOI Listing |
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