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Chan P, Moreland S, Sacdalan C, Kroon E, Colby D, Sriplienchan S, Pinyakorn S, Phanuphak N, Jagodzinski L, Valcour V, Vasan S, Paul R, Trautmann L, Spudich S. Cerebrospinal fluid pleocytosis is associated with HIV-1 neuroinvasion during acute infection. AIDS 2024; 38:373-378. [PMID: 37916464 PMCID: PMC10842649 DOI: 10.1097/qad.0000000000003777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 10/26/2023] [Indexed: 11/03/2023]
Abstract
OBJECTIVE HIV-1 invades the brain within days post-transmission. This study quantitated cerebrospinal fluid (CSF) white blood cell count (WBC) and investigated whether it associated with plasma and CSF HIV-1 RNA during untreated acute HIV infection (AHI). DESIGN Seventy participants underwent lumbar puncture during Fiebig stages I-V AHI. METHOD WBC and HIV-1 RNA with a lower limit of quantification (LLQ) of 80 copies/ml were measured in CSF. RESULTS Sixty-nine (99%) participants were men, with a median age of 26. Their blood CD4 + and CD8 + T-cell counts were 335 [interquartile range (IQR) 247-553) and 540 (IQR 357-802) cells/μl, respectively. Forty-five (64%) were in Fiebig stages III-V whereas 25 (36%) were in Feibig stages I-II. Fifty-two (74%) experienced acute retroviral syndrome. Median plasma and CSF HIV-1 RNA were 6.10 (IQR 5.15-6.78) and 3.15 (IQR 1.90-4.11) log 10 copies/ml, respectively. Sixteen (23%) CSF samples had HIV-1 RNA below LLQ. Median CSF WBC was 2.5 (IQR 1-8) cells/μl. CSF pleocytosis (WBC >5) was observed in 33% and was only present in CSF samples with detectable HIV-1 RNA. The frequencies of CSF pleocytosis during Fiebig stages III-V and among CSF samples of higher viral load (>1000 copies/ml) were 42 and 45%, respectively. Pleocytosis independently associated with CSF HIV-1 RNA in multivariate analysis [adjusted coefficient: 0.79, 95% confidence interval (CI) 0.41-1.14), P < 0.001] and a lower plasma to CSF HIV-1 RNA ratio ( P < 0.001). CONCLUSION CSF pleocytosis was present in one-third of participants with AHI. It associated with higher CSF HIV-1 RNA and a lower plasma to CSF HIV-1 RNA ratio, suggesting a potential association with HIV-1 neuroinvasion.
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Affiliation(s)
- Phillip Chan
- Department of Neurology
- Yale Center for Brain and Mind Health, Yale University School of Medicine, New Haven, CT
| | - Sarah Moreland
- Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Carlo Sacdalan
- SEARCH Research Foundation
- Faculty of Medicine, Chulalongkorn University
| | - Eugene Kroon
- SEARCH Research Foundation
- Institute of HIV Research and Innovation, Bangkok, Thailand
| | - Donn Colby
- Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | | | - Suteeraporn Pinyakorn
- Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | | | - Linda Jagodzinski
- Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring
| | - Victor Valcour
- Memory and Aging Center, Department of Neurology, University of California San Francisco, CA
| | - Sandhya Vasan
- Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Robert Paul
- Faculty of Psychological Sciences, Missouri Institute of Mental Health, University of Missouri-St. Louis, St. Louis, MO, USA
| | - Lydie Trautmann
- Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Serena Spudich
- Department of Neurology
- Yale Center for Brain and Mind Health, Yale University School of Medicine, New Haven, CT
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