Trimodal single-cell profiling reveals a novel pediatric CD8αα+ T cell subset and broad age-related molecular reprogramming across the T cell compartment

Z Thomson, Z He, E Swanson, K Henderson… - Nature …, 2023 - nature.com
Age-associated changes in the T cell compartment are well described. However, limitations
of current single-modal or bimodal single-cell assays, including flow cytometry, RNA-seq …

Epigenomics of human CD8 T cell differentiation and aging

DM Moskowitz, DW Zhang, B Hu, S Le Saux… - Science …, 2017 - science.org
The efficacy of the adaptive immune response declines markedly with age, but the cell-
intrinsic mechanisms driving immune aging in humans remain poorly understood. Immune …

Distinct age-related epigenetic signatures in CD4 and CD8 T cells

B Hu, RR Jadhav, CE Gustafson, S Le Saux… - Frontiers in …, 2020 - frontiersin.org
Healthy immune aging is in part determined by how well the sizes of naïve T cell
compartments are being maintained with advancing age. Throughout adult life …

Aging promotes reorganization of the CD4 T cell landscape toward extreme regulatory and effector phenotypes

Y Elyahu, I Hekselman, I Eizenberg-Magar… - Science …, 2019 - science.org
Age-associated changes in CD4 T-cell functionality have been linked to chronic
inflammation and decreased immunity. However, a detailed characterization of CD4 T cell …

[HTML][HTML] Newborn and child-like molecular signatures in older adults stem from TCR shifts across human lifespan

CE van de Sandt, THO Nguyen, NA Gherardin… - Nature …, 2023 - nature.com
CD8+ T cells provide robust antiviral immunity, but how epitope-specific T cells evolve
across the human lifespan is unclear. Here we defined CD8+ T cell immunity directed at the …

[HTML][HTML] Single-cell atlas of healthy human blood unveils age-related loss of NKG2C+ GZMB− CD8+ memory T cells and accumulation of type 2 memory T cells

M Terekhova, A Swain, P Bohacova, E Aladyeva… - Immunity, 2023 - cell.com
Extensive, large-scale single-cell profiling of healthy human blood at different ages is one of
the critical pending tasks required to establish a framework for the systematic understanding …

Single-cell transcriptomics identifies an effectorness gradient shaping the response of CD4+ T cells to cytokines

E Cano-Gamez, B Soskic, TI Roumeliotis, E So… - Nature …, 2020 - nature.com
Naïve CD4+ T cells coordinate the immune response by acquiring an effector phenotype in
response to cytokines. However, the cytokine responses in memory T cells remain largely …

Asymmetric cell division shapes naive and virtual memory T-cell immunity during ageing

M Borsa, N Barandun, F Gräbnitz, I Barnstorf… - Nature …, 2021 - nature.com
Efficient immune responses rely on heterogeneity, which in CD8+ T cells, amongst other
mechanisms, is achieved by asymmetric cell division (ACD). Here we find that ageing …

The changing landscape of naive T cell receptor repertoire with human aging

ES Egorov, SA Kasatskaya, VN Zubov… - Frontiers in …, 2018 - frontiersin.org
Human aging is associated with a profound loss of thymus productivity, yet naïve T
lymphocytes still maintain their numbers by division in the periphery for many years. The …

Hallmarks of T cell aging

M Mittelbrunn, G Kroemer - Nature immunology, 2021 - nature.com
The aged adaptive immune system is characterized by progressive dysfunction as well as
increased autoimmunity. This decline is responsible for elevated susceptibility to infection …