ArticleNature communications2026
Single-cell map of the healthy human immune system across the lifespan reveals unique infant immune signatures.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 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.
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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
6 citing papers in PubMed.
- Immune mechanisms and pathophysiology of T cell-mediated pediatric acute liver failure (TC-PALF).Hepatology communications · 2026Review
- Post-vaccination expansion of extrafollicular Th10 and regulatory Tfr cells distinguishes strong from weak influenza vaccine responses in older adults.medRxiv : the preprint server for health sciences · 2026Article
- Lifestyle intervention is associated with attenuation of ER stress/inflammation and enhancement of naive immune cell identity in older adults with metabolic disease.bioRxiv : the preprint server for biology · 2026Article
- Longitudinal peripheral blood immune profiling reveals dynamic changes of five major immune cell lineages and their clinical associations in pediatric scrub typhus.Frontiers in immunology · 2026Article
- CD8⁺ T cell heterogeneity in aging: insights from single-cell profiling.Immunity & ageing : I & A · 2025Review
- CMV-specific clonal expansion of Th1, GZMKbioRxiv : the preprint server for biology · 2025Article
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17 authors.
Funding
Abstract
The human immune system undergoes dynamic remodeling from infancy through old age. We profiled PBMCs from 167 healthy individuals (ages 2 months to 105 years): infants (n = 36), children (n = 26), adolescents (n = 20), young adults (n = 24), middle‑aged (n = 16), older adults (n = 33) and oldest old (n = 12) using scRNA‑seq and snATAC‑seq (n = 23). MAIT and γδ T cells showed a "rise and fall" pattern, rising in childhood, peaking in young adulthood, and declining with age. Conventional CD8⁺ T cells were most profoundly altered with age, with decreasing naïve and increasing GZMK⁺ and TEMRA cells. The oldest old had increased TEMRA, adaptive NK, and KLRF1⁺ γδ T cells. Infants showed increased CD16⁺ monocytes and pDCs, constitutive interferon‑stimulated gene expression, and expanded SOX4⁺ naïve T cells. Inflammatory and stress‑response pathways increased with age, while interferon pathways declined. This map provides insights into human immune system dynamics across the human lifespan, emphasizing unique features of the infant immune system.
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Registered trials
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