Cited by 101Cell death mechanisms and regulationT-cell and B-cell ImmunologyRedox biology and oxidative stress

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Preferential Cell Death of CD8+ Effector Memory (CCR7−CD45RA−) T Cells by Hydrogen Peroxide-Induced Oxidative Stress

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Abstract

T cells are used in many cell-based cancer treatments. However, oxidative stress that is induced during various chronic inflammatory conditions, such as cancer, can impair the immune system and have detrimental effects on T cell function. In this study, we have investigated the sensitivity of different human T cell subsets to H2O2-induced oxidative stress. We showed that central memory (CD45RA−CCR7+) and effector memory (CD45RA−CCR7−) T cells are more sensitive to H2O2 as compared with naive (CD45RA+CCR7+) T cells. Furthermore, the study showed that CD8+ effector memory T cells are more sensitive to low levels of H2O2 (5 μM) compared with other types of T cells investigated. H2O2-exposed CD45RO+ T cells showed mitochondrial depolarization prior to caspase 3 activity. Moreover, the pan-caspase inhibitor z-Val-Ala-Asp(OMe)-fluoromethylketone rescued cells from death. These experiments suggest that H2O2-induced cell death of CD45RO+ T cells acts via the mitochondrial pathway and that caspase involvement is needed. This study suggests that oxidative stress in cancer patients can be disadvantageous for T cell-based adoptive cell transfer therapies, since effector memory T cells are the primary phenotype of the cells administered.

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Metadata

Authors
Takahashi, A., Hanson, M. G. V., Norell, H. R., Havelka, A. M., Kono, K., Malmberg, K.-J., & Kiessling, R. V. R.
Affiliations
  • Karolinska Institutet (SE)
  • Department of Oncology and Pathology, Immune and Gene Therapy Laboratory, Cancer Center Karolinska, Karolinska Institutet , Stockholm ,
  • University of Yamanashi (JP)
  • Karolinska University Hospital (SE)
Corresponding author
Takahashi, Akihiro
Venue
The Journal of Immunology
Published
2005-05
Volume
174
Issue
10
Pages
6080-6087
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W2139536543
Cited by
101
References
62
Citations by year
2026: 2 · 2025: 4 · 2024: 9 · 2023: 3 · 2022: 4 · 2021: 8 · 2020: 5 · 2019: 3 · 2018: 6 · 2017: 3 · 2016: 7 · 2015: 4 · 2014: 5 · 2013: 9 · 2012: 8
FWCI
1.38
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • European Commission
  • Cancerfonden
  • Karolinska Institutet
  • National Institutes of Health
  • National Cancer Institute (R01CA102280, CA 102280)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
hydrogen peroxide, oxidative stress, T cell death, CD8+ effector memory T cells, central memory T cells, naive T cells, mitochondrial depolarization, caspase-3, z-VAD-fmk, adoptive cell transfer, T cell subsets, cancer immunotherapy
MeSH terms
Amino Acid Chloromethyl Ketones, Cells, Cultured, Cytotoxicity, Immunologic, Dose-Response Relationship, Immunologic, Growth Inhibitors, Humans, Hydrogen Peroxide, Immunologic Memory, Intracellular Membranes, Membrane Potentials, Mitochondria, Permeability, T-Lymphocytes, Cytotoxic, Cell Death, Leukocyte Common Antigens, Oxidative Stress, Receptors, Chemokine, Receptors, CCR7, Caspase Inhibitors

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