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Cited by 285

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Progressive Loss of Memory T Cell Potential and Commitment to Exhaustion during Chronic Viral Infection

Open access
Angelosanto, Jill M., Blackburn, Shawn D., Crawford, Alison, Wherry, E. John·2012·Journal of Virology

Abstract

T cell exhaustion and loss of memory potential occur during many chronic viral infections and cancer. We investigated when during chronic viral infection virus-specific CD8 T cells lose the potential to form memory. Virus-specific CD8 T cells from established chronic infection were unable to become memory CD8 T cells if removed from infection. However, at earlier stages of chronic infection, these virus-specific CD8 T cells retained the potential to partially or fully revert to a memory differentiation program after transfer to infection-free mice. Conversely, effector CD8 T cells primed during acute infection were not protected from exhaustion if transferred to a chronic infection. We also tested whether memory and exhausted CD8 T cells arose from different subpopulations of effector CD8 T cells and found that only the KLRG1 lo memory precursor subset gave rise to exhausted CD8 T cells. Together, these studies demonstrate that CD8 T cell exhaustion is a progressive developmental process. Early during chronic infection, the fate of virus-specific CD8 T cells remains plastic, while later, exhausted CD8 T cells become fixed in their differentiation state. Moreover, exhausted CD8 T cells arise from the memory precursor and not the terminally differentiated subset of effector CD8 T cells. These studies have implications for our understanding of senescence versus exhaustion and for therapeutic interventions during chronic infection.

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Metadata

Authors
Angelosanto, J. M., Blackburn, S. D., Crawford, A., & Wherry, E. J.
Venue
Journal of Virology
Published
2012-08
Volume
86
Issue
15
Pages
8161-8170
ISSN
  • 0022-538X (ISSN-L)
  • 1098-5514
OpenAlex
W2102994107
Cited by
285
References
9
FWCI
3.82
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Progressive Loss of Memory T Cell Potential and Commitment to Exhaustion during Chronic Viral Infection. https://app.cochat.ai/papers/10.1128/jvi.00889-12
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Angelosanto, J. M., Blackburn, S. D., Crawford, A., & Wherry, E. J. (2012). Progressive Loss of Memory T Cell Potential and Commitment to Exhaustion during Chronic Viral Infection. Journal of Virology. https://doi.org/10.1128/jvi.00889-12

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.