ArticleJCI insight2025
Delineating the short- and long-term impact of ionizing radiation on antigen-inexperienced CD8+ T cell subsets.
Article in JCI insight, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Virus-specific memory CD4 T cells sustain long-term numerical and functional impairment following whole-body irradiation.Journal of immunology (Baltimore, Md. : 1950) · 2026Article
- Whole-body irradiation causes long-term impairments in the maintenance and function of naïve CD4 T cells specific for self- and non-self-antigens.Journal of immunology (Baltimore, Md. : 1950) · 2026Article
- Lipidomics of longer-term effects in the murine model after exposure to mixed field radiation and combined infection.Metabolomics : Official journal of the Metabolomic Society · 2026Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Radiation-induced lymphopenia (RIL) remains a challenging side effect of radiation therapy that is often associated with poor prognosis and reduced overall survival. Although CD8+ T cells are highly radiosensitive, the dynamics of quantitative and qualitative changes to the CD8+ T cell pool following exposure to high doses of ionizing radiation (IR) remain understudied. Herein, we sought to determine the long-term impact of sublethal whole body irradiation (WBI) on the antigen-inexperienced (Ag-inexperienced) CD8+ T cell pool, comprising naive (TN) and virtual memory (TVM) CD8+ T cells. We show that although both TN and TVM cells gradually regenerated after WBI-induced loss, TN recovery occurred only through de novo thymic production. Despite the numerical restoration, the subset and phenotypic composition of postrecovery Ag-inexperienced CD8+ T cells did not qualitatively recapitulate the pre-WBI state. Specifically, the frequency of TVM cells is increased, especially during the early stages of recovery. Within the TN subset, a lasting overrepresentation of Ly6C+CD122+ cells and an altered TCR clonotype diversity are also observed. Overall, our data highlight the dynamic changes to the Ag-inexperienced CD8+ T cell pool upon recovery from RIL.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.