The DOI matches its Crossref record; 68 of the 68 references it cites were found in a registry or an index.
T-bet and Eomes Are Differentially Linked to the Exhausted Phenotype of CD8+ T Cells in HIV Infection
Open accessAbstract
CD8(+) T cell exhaustion represents a major hallmark of chronic HIV infection. Two key transcription factors governing CD8(+) T cell differentiation, T-bet and Eomesodermin (Eomes), have previously been shown in mice to differentially regulate T cell exhaustion in part through direct modulation of PD-1. Here, we examined the relationship between these transcription factors and the expression of several inhibitory receptors (PD-1, CD160, and 2B4), functional characteristics and memory differentiation of CD8(+) T cells in chronic and treated HIV infection. The expression of PD-1, CD160, and 2B4 on total CD8(+) T cells was elevated in chronically infected individuals and highly associated with a T-bet(dim)Eomes(hi) expressional profile. Interestingly, both resting and activated HIV-specific CD8(+) T cells in chronic infection were almost exclusively T-bet(dim)Eomes(hi) cells, while CMV-specific CD8(+) T cells displayed a balanced expression pattern of T-bet and Eomes. The T-bet(dim)Eomes(hi) virus-specific CD8(+) T cells did not show features of terminal differentiation, but rather a transitional memory phenotype with poor polyfunctional (effector) characteristics. The transitional and exhausted phenotype of HIV-specific CD8(+) T cells was longitudinally related to persistent Eomes expression after antiretroviral therapy (ART) initiation. Strikingly, these characteristics remained stable up to 10 years after ART initiation. This study supports the concept that poor human viral-specific CD8(+) T cell functionality is due to an inverse expression balance between T-bet and Eomes, which is not reversed despite long-term viral control through ART. These results aid to explain the inability of HIV-specific CD8(+) T cells to control the viral replication post-ART cessation.
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Restoring function in exhausted CD8 T cells during chronic viral infection
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Molecular and cellular insights into T cell exhaustion
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The PD1:PD-L1/2 Pathway from Discovery to Clinical Implementation
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Metadata
- Authors
- Buggert, M., Tauriainen, J., Yamamoto, T., Frederiksen, J., Ivarsson, M. A., Michaëlsson, J., Lund, O., Hejdeman, B., Jansson, M., Sönnerborg, A., Koup, R. A., Betts, M. R., & Karlsson, A. C.
- Venue
- PLoS Pathogens
- Publisher
- Public Library of Science (PLoS)
- Published
- 2014-07-17
- Volume
- 10
- Issue
- 7
- Pages
- e1004251
- ISSN
- 1553-7366 (ISSN-L)
- 1553-7374
- OpenAlex
- W1986269759
- Cited by
- 296
- References
- 68
- FWCI
- 8.01
- Type
- journal article
- Language
- en
- Open access
- gold
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- Buggert, M., Tauriainen, J., Yamamoto, T., Frederiksen, J., Ivarsson, M. A., Michaëlsson, J., Lund, O., Hejdeman, B., Jansson, M., Sönnerborg, A., Koup, R. A., Betts, M. R., & Karlsson, A. C. (2014). T-bet and Eomes Are Differentially Linked to the Exhausted Phenotype of CD8+ T Cells in HIV Infection. PLoS Pathogens. https://doi.org/10.1371/journal.ppat.1004251
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