Novel Biomarkers for Tuberculosis Diagnosis Identified

Strategic Insights -

Research conducted at Nanjing Medical University has led to the identification of CCR4 memory Tregs and PD-1 T cells as potential biomarkers for diagnosing active tuberculosis. The study, which enrolled 140 patients with active tuberculosis and 140 healthy controls, found that these cell subsets were associated with TB infection and could potentially be used to predict the disease.

Key Takeaways:

  • The study found that T cell subsets, including CCR4 memory Tregs, CD4+PD-1+ T cells, and CD8+PD-1+ T cells, were associated with tuberculosis infection.
  • The researchers used univariate and multivariate analyses to evaluate the association between T cell subsets and TB infection, as well as their potential value in predicting active tuberculosis.
  • Propensity score matching was used to analyze the immunophenotypic differences in peripheral blood mononuclear cells between mild and severe active tuberculosis patients.
  • The study concluded that differentiation and function of T cell subsets are associated with TB infection, and CCR4 memory Tregs and PD-1 T cells show potential predictive value for active tuberculosis.
  • The researchers stated that investigating the differentiation and functional status of T cell subsets may help identify novel biomarkers for the diagnosis and prediction of active tuberculosis.

Statistics:

  • 140 patients with active tuberculosis were enrolled in the study.
  • 140 healthy controls were also enrolled in the study.
  • The study found that CCR4 memory Tregs, CD4+PD-1+ T cells, and CD8+PD-1+ T cells were associated with TB infection.
  • The researchers used propensity score matching to analyze the immunophenotypic differences in peripheral blood mononuclear cells between mild and severe active tuberculosis patients.

Sources:

  • "CCR4 memory Tregs and PD-1 T cells as novel immunodiagnostic biomarkers for active tuberculosis BMC Infectious Diseases, 2025,25(1):1-12. (BMC Infectious Diseases - http://bmcinfectdis.biomedcentral.com)"
  • "Nanjing Medical University Researchers Yield New Data on Tuberculosis (CCR4 memory Tregs and PD-1 T cells as novel immunodiagnostic biomarkers for active tuberculosis). TB & Outbreaks Week. October 21, 2025; p 2115."
  • "Changzhou Health Commission Major Science And Technology Project; The National Natural Science Foundation of China; The Emergency Special Project of Jiangsu Provincial Department of Science And Technology; Jiangsu Province Graduate Research And Innovation Program."