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West Ashley Library
9 a.m. - 7 p.m.
Phone: (843) 766-6635
Folly Beach Library
Closed
Phone: (843) 588-2001
Edgar Allan Poe/Sullivan's Island Library
Closed for renovations
Phone: (843) 883-3914
Wando Mount Pleasant Library
9 a.m. - 8 p.m.
Phone: (843) 805-6888
Village Library
9 a.m. - 1 p.m.
Phone: (843) 884-9741
St. Paul's/Hollywood Library
9 a.m. - 8 p.m.
Phone: (843) 889-3300
Otranto Road Library
9 a.m. - 8 p.m.
Phone: (843) 572-4094
Mt. Pleasant Library
9 a.m. - 8 p.m.
Phone: (843) 849-6161
McClellanville Library
9 a.m. - 6 p.m.
Phone: (843) 887-3699
Keith Summey North Charleston Library
9 a.m. - 8 p.m.
Phone: (843) 744-2489
John's Island Library
9 a.m. - 8 p.m.
Phone: (843) 559-1945
Hurd/St. Andrews Library
9 a.m. - 8 p.m.
Phone: (843) 766-2546
Miss Jane's Building (Edisto Library Temporary Location)
2 p.m. – 6 p.m.
Phone: (843) 869-2355
Dorchester Road Library
9 a.m. - 8 p.m.
Phone: (843) 552-6466
John L. Dart Library
9 a.m. - 7 p.m.
Phone: (843) 722-7550
Baxter-Patrick James Island
9 a.m. - 8 p.m.
Phone: (843) 795-6679
Main Library
9 a.m. - 8 p.m.
Phone: (843) 805-6930
Bees Ferry West Ashley Library
9 a.m. - 8 p.m.
Phone: (843) 805-6892
Mobile Library
9 a.m. - 5 p.m.
Phone: (843) 805-6909
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Disease Progression in Children With Perinatal Human Immunodeficiency Virus Correlates With Increased PD-1+ CD8 T Cells That Coexpress Multiple Immune Checkpoints.
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- Author(s): Tailor, Janki1 (AUTHOR); Foldi, Julia1 (AUTHOR); Generoso, Matthew1 (AUTHOR); McCarty, Bret1 (AUTHOR); Alankar, Aparna1 (AUTHOR); Kilberg, Max1 (AUTHOR); Mwamzuka, Mussa2 (AUTHOR); Marshed, Fatma2 (AUTHOR); Ahmed, Aabid2 (AUTHOR); Liu, Mengling3 (AUTHOR); Borkowsky, William1 (AUTHOR); Unutmaz, Derya4 (AUTHOR); Khaitan, Alka5 (AUTHOR)
- Source:
Journal of Infectious Diseases. 11/15/2021, Vol. 224 Issue 10, p1785-1795. 11p.- Subject Terms:
- Source:
- Additional Information
- Abstract:
Background: PD-1 marks exhausted T cells, with weak effector functions. Adults living with human immunodeficiency virus (HIV) have increased levels of PD-1+ CD8 T cells that correlate with HIV disease progression, yet little is known about the role of PD-1+ CD8 T cells in children with perinatal HIV.Methods: We enrolled 76 Kenyan children with perinatal HIV and 43 children who were HIV unexposed and quantified PD-1 levels on CD8 T cells; their coexpression with immune checkpoints (ICs) 2B4, CD160, and TIM3; correlates with immune activation and HIV disease progression; and HIV-specific and -nonspecific proliferative responses.Results: PD-1+ CD8 T-cell frequencies are elevated in children with perinatal HIV and associated with disease progression. The majority of PD-1+ CD8 T cells coexpress additional ICs. ART initiation lowers total PD-1 levels and coexpression of multiple ICs. The frequency of PD-1+2B4+CD160+TIM3- in PD-1+ CD8 T cells predicts weaker HIV-specific proliferative responses, suggesting that this subset is functionally exhausted.Conclusions: Children with perinatal HIV have high levels of PD-1+ CD8 T cells that are a heterogeneous population differentially coexpressing multiple ICs. Understanding the complex interplay of ICs is essential to guide the development of PD-1-directed immunotherapies for pediatric HIV remission and cure. [ABSTRACT FROM AUTHOR] - Abstract: Copyright of Journal of Infectious Diseases is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Abstract:
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