Age-associated remodeling of T cell immunity and metabolism

SJ Han, P Georgiev, AE Ringel, AH Sharpe, MC Haigis - Cell metabolism, 2023 - cell.com
Aging results in remodeling of T cell immunity and is associated with poor clinical outcomes
in age-related diseases such as cancer. Among the hallmarks of aging, changes in host and …

Targeting nucleotide metabolism as the nexus of viral infections, cancer, and the immune response

Y Ariav, JH Ch'ng, HR Christofk, N Ron-Harel… - Science advances, 2021 - science.org
Virus-infected cells and cancers share metabolic commonalities that stem from their
insatiable need to replicate while evading the host immune system. These similarities …

Exhaust the exhausters: Targeting regulatory T cells in the tumor microenvironment

BR McRitchie, B Akkaya - Frontiers in immunology, 2022 - frontiersin.org
The concept of cancer immunotherapy has gained immense momentum over the recent
years. The advancements in checkpoint blockade have led to a notable progress in treating …

Infection-experienced HSPCs protect against infections by generating neutrophils with enhanced mitochondrial bactericidal activity

H Darroch, P Keerthisinghe, YJ Sung, L Rolland… - Science …, 2023 - science.org
Hematopoietic stem and progenitor cells (HSPCs) respond to infection by proliferating and
generating in-demand neutrophils through a process called emergency granulopoiesis …

Mitochondrial dysfunctions in T cells: focus on inflammatory bowel disease

H Lee, JH Jeon, ES Kim - Frontiers in immunology, 2023 - frontiersin.org
Mitochondria has emerged as a critical ruler of metabolic reprogramming in immune
responses and inflammation. In the context of colitogenic T cells and IBD, there has been …

Mitochondrial reactive oxygen is critical for IL-12/IL-18-induced IFN-γ production by CD4+ T cells and is regulated by Fas/FasL signaling

G Rackov, P Tavakoli Zaniani, S Colomo del Pino… - Cell death & …, 2022 - nature.com
Mitochondrial activation and the production of mitochondrial reactive oxygen species
(mROS) are crucial for CD4+ T cell responses and have a role in naïve cell signaling after …

Mitochondrial-encoded MOTS-c prevents pancreatic islet destruction in autoimmune diabetes

BS Kong, SH Min, C Lee, YM Cho - Cell reports, 2021 - cell.com
Mitochondria are principal metabolic organelles that are increasingly unveiled as immune
regulators. However, it is currently not known whether mitochondrial-encoded peptides …

Regulatory T cells: Master thieves of the immune system

B Akkaya, EM Shevach - Cellular immunology, 2020 - Elsevier
Treg cells are the immune system's in-house combatants against pathological immune
activation. Because they are vital to maintenance of peripheral tolerance, it is important to …

STAT3 modulates CD4+ T mitochondrial dynamics and function in aging

E Zukowski, M Sannella, JD Rockhold, GH Kalantar… - Aging cell, 2023 - Wiley Online Library
Aging promotes numerous intracellular changes in T cells that impact their effector function.
Our data show that aging promotes an increase in the localization of STAT3 to the …

[HTML][HTML] Mitochondrial redox environments predict sensorimotor brain-behavior dynamics in adults with HIV

RK Spooner, BK Taylor, IM Ahmad, K Dyball… - Brain, behavior, and …, 2023 - Elsevier
Despite virologic suppression, people living with HIV (PLWH) remain at risk for developing
cognitive impairment, with aberrations in motor control being a predominant symptom …