ArticleFrontiers in immunology2026
Tuberculosis preventive therapy in postpartum women with HIV modifies
Article in Frontiers in immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Tuberculosis in Pregnancy: Challenges of Immune Protection.The Journal of infectious diseases · 2026Review
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Authors and funding
10 authors.
Funding
Abstract
Background: Tuberculosis (TB) has significant morbidity in pregnant and postpartum women with HIV (pregnant and PPWWHIV). TB preventive therapy (TPT) is recommended in pregnant and PPWWHIV with documented or presumed latent TB infection (LTBI). TB-stimulated IFNγ release assay and skin test positivity decline after TPT, but the underlying mechanisms and relationship with TB-specific immunologic memory are incompletely understood. We investigated this aspect in PPWWHIV. Methods: PPWWHIV with LTBI received isoniazid TPT between 12 and 40 weeks postpartum. Blood obtained at 12 and 44 weeks postpartum was used to compare functional and phenotypic characteristics of unstimulated and TB-stimulated CD4+ and CD8+ conventional T cells (Tconv); unconventional T cells, including γδ, iNKT, MR1+ and MR1- MAIT, and NKT; NK; and antigen presenting cells (APC) pre- and post-TPT. Results: In 45 participants with medians of 477 CD4+ T cells/µL and <50 HIV RNA copies/mL of plasma on antiretroviral therapy, both Tconv and innate immune cells responded to TB antigenic stimulation Conclusions: TPT was associated with a significant decrease in TB-specific T cell responses, including Tconv but mostly unconventional T cells, suggesting an important role of unconventional T cell memory in the control of TB infection. The prominent decrease of granzyme B-expressing T cells in response to TPT highlighted the importance of granzyme B in the maintenance of LTBI.
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