ArticleScandinavian journal of immunology2025
Evaluation of T-cell repertoire by flow cytometric analysis in primary immunodeficiencies with DNA repair defects.
Article in Scandinavian journal of immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- T-cell receptor Vβ repertoire skewing reflects premature immune senescence in children with chronic kidney disease.Pediatric nephrology (Berlin, Germany) · 2026Article
- Evaluation of T-cell repertoire by flow cytometric analysis in primary immunodeficiencies with DNA repair defects.Scandinavian journal of immunology · 2025Article
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Authors and funding
13 authors.
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Abstract
The group of patients with DNA-repair-defects increases susceptibility to infections due to impaired repertoire diversity. In this context, we aimed to investigate the TCRvβ-repertoire by flow cytometric analysis and its correlation with clinical entities in a group of IEI patients with DNA repair defects. Peripheral lymphocyte subset and TCRvβ-repertoire analyses were performed by flow cytometric analysis. The aim was to explore the changing TCR-Vβ-repertoire that can predict some clinical entities by investigating the repertoire using flow-cytometric-analysis-based TCR-Vβ and its interaction with clinical entities in a group of IEI patients with DNA repair defects. TCR-repertoire of the patients with DNA-repair-defects and healthy controls was analysed with flow-cytometer. The potential of flow-cytometric analysis of the TCR repertoire as a practical and easily accessible clinical prediction method was investigated. Thirty-nine-IEI patients with DNA-repair-defects and 15 age-matched healthy-controls were included in this study. Peripheral lymphocyte subset and TCR-Vβ repertoire analyses were performed by flow cytometry. Compared to the control group, 9 out of 24 clones (37.5%) exhibited a statistically significant reduction, while only 3 clones showed a statistically significant increase (p < 0.05). Preferential use of vβ-genes was associated with some clinical entities. Lower TCR-vβ-9 and TCR-vβ23, higher TCR-vβ7.2 were found in the patients with pneumonia (n = 13) (p = 0.018, p = 0.044 p = 0.032). AT patients with pneumonia had lower TCR-vβ-9 clone than patients without pneumonia (p = 0.008). Skewed proliferation of most TCR-vβ clones was seen DNA-repair-defects, especially AT. In addition, this study showed that preferential use of TCR-vβ genes could be predictive for some clinical entities.
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