CD4 T Cells Acquire Cytotoxic Properties to Modulate Cellular Senescence and Aging

Y Elyahu, I Feygin, N Pinkas, A Zemer, A Shicht… - bioRxiv, 2024 - biorxiv.org
Aging is characterized by the progressive deterioration of tissue structure and function,
leading to increased vulnerability to diseases and, eventually, death. One prominent …

Recent insights into the crosstalk between senescent cells and CD8 T lymphocytes

I Marin, M Serrano, F Pietrocola - npj Aging, 2023 - nature.com
Recent reports in oncological and non-oncological experimental setups provide strong
evidence that senescent cells are under the surveillance of CD8 T cell-mediated adaptive …

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 …

Senescent T cells: Beneficial and detrimental roles

P Laphanuwat, DCO Gomes… - Immunological Reviews, 2023 - Wiley Online Library
As the thymus involutes during aging, the T‐cell pool has to be maintained by the periodic
expansion of preexisting T cells during adulthood. A conundrum is that repeated episodes of …

[HTML][HTML] Functional recreation of age-related CD8 T cells in young mice identifies drivers of aging-and human-specific tissue pathology

A Panwar, M Jhun, A Rentsendorj, A Mardiros… - Mechanisms of ageing …, 2020 - Elsevier
Mitigating effects of aging on human health remains elusive because aging impacts multiple
systems simultaneously, and because experimental animals exhibit critical aging differences …

Physiologic thymic involution underlies age-dependent accumulation of senescence-associated CD4+ T cells

K Sato, A Kato, M Sekai, Y Hamazaki… - The Journal of …, 2017 - journals.aai.org
Immune aging may underlie various aging-related disorders, including diminished
resistance to infection, chronic inflammatory disorders, and autoimmunity. PD-1+ and …

Aging Impairs the Ability of Conventional Dendritic Cells to Cross-Prime CD8+ T Cells upon Stimulation with a TLR7 Ligand

ER Zacca, MI Crespo, RP Acland, E Roselli, NG Núñez… - PloS one, 2015 - journals.plos.org
The aging process is accompanied by altered immune system functioning and an increased
risk of infection. Dendritic cells (DCs) are antigen-presenting cells that play a key role in both …

Conclusive Identification of Senescent T Cells Reveals Their Abundance in Aging Humans

RI Martínez-Zamudio, HK Dewald, T Vasilopoulos… - bioRxiv, 2020 - biorxiv.org
Aging leads to a progressive functional decline of the immune system, which renders the
elderly increasingly susceptible to disease and infection. The degree to which immune cell …

Single-cell transcriptomics reveals expansion of cytotoxic CD4 T cells in supercentenarians

K Hashimoto, T Kouno, T Ikawa… - Proceedings of the …, 2019 - National Acad Sciences
Supercentenarians, people who have reached 110 y of age, are a great model of healthy
aging. Their characteristics of delayed onset of age-related diseases and compression of …

In aged hosts, T cells turn traitorous

AC Billi - Science Translational Medicine, 2021 - science.org
In aged hosts, T cells turn traitorous | Science Translational Medicine news careers commentary
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