The emerging role of T follicular helper (TFH) cells in aging: Influence on the immune frailty

G Varricchi, L Bencivenga, R Poto, A Pecoraro… - Ageing Research …, 2020 - Elsevier
The world population is undergoing a rapid expansion of older adults. Aging is associated
with numerous changes that affect all organs and systems, including every component of the …

A role for immature myeloid cells in immune senescence

EY Enioutina, D Bareyan, RA Daynes - The Journal of Immunology, 2011 - journals.aai.org
The reduced efficiency of the mammalian immune system with aging increases host
susceptibility to infectious and autoimmune diseases. However, the mechanisms …

[HTML][HTML] Increased Th17 differentiation in aged mice is significantly associated with high IL-1β level and low IL-2 expression

MA Lim, J Lee, JS Park, JY Jhun, YM Moon… - Experimental …, 2014 - Elsevier
Objective Aging has been reported to be associated with changes in immune function.
Although frequent infection and the development of malignancy suggest the decline of …

Mechanisms underlying T cell ageing

JJ Goronzy, CM Weyand - Nature Reviews Immunology, 2019 - nature.com
T cell ageing has a pivotal role in rendering older individuals vulnerable to infections and
cancer and in impairing the response to vaccination. Easy accessibility to peripheral human …

Impact of age on T cell signaling: a general defect or specific alterations?

A Larbi, G Pawelec, SC Wong, D Goldeck, JJY Tai… - Ageing research …, 2011 - Elsevier
Decreased immune responsiveness associated with aging is generally termed
“immunosenescence”. Several theories have been proposed to explain age-related declines …

Human monocyte subsets are transcriptionally and functionally altered in aging in response to pattern recognition receptor agonists

TU Metcalf, PA Wilkinson, MJ Cameron… - The Journal of …, 2017 - journals.aai.org
Age-related alterations in immunity have been linked to increased incidence of infections
and decreased responses to vaccines in the aging population. Human peripheral blood …

Targeting macrophages rescues age‐related immune deficiencies in C57 BL/6J geriatric mice

C Jackaman, HG Radley‐Crabb, Z Soffe… - Aging cell, 2013 - Wiley Online Library
Changes to innate cells, such as macrophages and myeloid‐derived suppressor cells
(MDSC s), during aging in healthy or tumor‐bearing hosts are not well understood. We …

[HTML][HTML] Comprehensive profiling of an aging immune system reveals clonal GZMK+ CD8+ T cells as conserved hallmark of inflammaging

DA Mogilenko, O Shpynov, PS Andhey, L Arthur… - Immunity, 2021 - cell.com
Systematic understanding of immune aging on a whole-body scale is currently lacking. We
characterized age-associated alterations in immune cells across multiple mouse organs …

The aged lymphoid tissue environment fails to support naïve T cell homeostasis

BR Becklund, JF Purton, C Ramsey, S Favre, TK Vogt… - Scientific reports, 2016 - nature.com
Aging is associated with a gradual loss of naïve T cells and a reciprocal increase in the
proportion of memory T cells. While reduced thymic output is important, age-dependent …

T cell aging: naive but not young

J Nikolich-Zugich - The Journal of experimental medicine, 2005 - rupress.org
The immune system exhibits profound age-related changes, collectively termed
immunosenescence. The most visible of these is the decline in protective immunity, which …