Variability in C-reactive protein is associated with cognitive impairment in women living with and without HIV: a longitudinal study

Leah H. Rubin, Lorie Benning, Sheila M. Keating, Philip J. Norris, Jane Burke-Miller, Antonia Savarese, Krithika N. Kumanan, Saria Awadalla, Gayle Springer, Kathryn Anastos, Mary Young, Joel Milam, Victor G. Valcour, Kathleen M. Weber, Pauline M. Maki

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Despite the availability of effective antiretroviral therapies, cognitive impairment (CI) remains prevalent in HIV-infected (HIV+) individuals. Evidence from primarily cross-sectional studies, in predominantly male samples, implicates monocyte- and macrophage-driven inflammatory processes linked to HIV-associated CI. Thus, peripheral systemic inflammatory markers may be clinically useful biomarkers in tracking HIV-associated CI. Given sex differences in immune function, we focused here on whether mean and intra-individual variability in inflammatory marker-predicted CI in HIV+ and HIV− women. Seventy-two HIV+ (36 with CI) and 58 HIV− (29 with CI) propensity-matched women participating in the Women’s Interagency HIV Study completed a neuropsychological battery once between 2009 and 2011, and performance was used to determine CI status. Analysis of 13 peripheral immune markers was conducted on stored biospecimens at three time points (7 and 3.5 years before neuropsychological data collection and concurrent with data collection). HIV+ women showed alterations in 8 immune markers compared to HIV− women. The strongest predictors of CI across HIV+ and HIV− women were lower mean soluble tumor necrosis factor receptor I (sTNFRI) levels, higher mean interleukin (IL)-6 levels, and greater variability in C-reactive protein (CRP) and matrix metalloproteinase (MMP)-9 (p values < 0.05). Stratified by HIV, the only significant predictor of CI was greater variability in CRP for both HIV+ and HIV− women (p values < 0.05). This variability predicted lower executive function, attention/working memory, and psychomotor speed in HIV+ but only learning in HIV− women (p values < 0.05). Intra-individual variability in CRP levels over time may be a good predictor of CI in predominately minority low-socioeconomic status midlife women.

Original languageEnglish (US)
Pages (from-to)1-11
Number of pages11
JournalJournal of NeuroVirology
DOIs
StateAccepted/In press - Oct 23 2017

Fingerprint

C-Reactive Protein
Longitudinal Studies
HIV
Cognitive Dysfunction
Biomarkers
Tumor Necrosis Factor Receptors
Executive Function
Matrix Metalloproteinase 9
Short-Term Memory
Social Class
Sex Characteristics
Monocytes

Keywords

  • Cognition
  • CRP
  • HIV
  • Inflammation
  • Women

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Virology

Cite this

Rubin, L. H., Benning, L., Keating, S. M., Norris, P. J., Burke-Miller, J., Savarese, A., ... Maki, P. M. (Accepted/In press). Variability in C-reactive protein is associated with cognitive impairment in women living with and without HIV: a longitudinal study. Journal of NeuroVirology, 1-11. https://doi.org/10.1007/s13365-017-0590-4

Variability in C-reactive protein is associated with cognitive impairment in women living with and without HIV : a longitudinal study. / Rubin, Leah H.; Benning, Lorie; Keating, Sheila M.; Norris, Philip J.; Burke-Miller, Jane; Savarese, Antonia; Kumanan, Krithika N.; Awadalla, Saria; Springer, Gayle; Anastos, Kathryn; Young, Mary; Milam, Joel; Valcour, Victor G.; Weber, Kathleen M.; Maki, Pauline M.

In: Journal of NeuroVirology, 23.10.2017, p. 1-11.

Research output: Contribution to journalArticle

Rubin, LH, Benning, L, Keating, SM, Norris, PJ, Burke-Miller, J, Savarese, A, Kumanan, KN, Awadalla, S, Springer, G, Anastos, K, Young, M, Milam, J, Valcour, VG, Weber, KM & Maki, PM 2017, 'Variability in C-reactive protein is associated with cognitive impairment in women living with and without HIV: a longitudinal study', Journal of NeuroVirology, pp. 1-11. https://doi.org/10.1007/s13365-017-0590-4
Rubin, Leah H. ; Benning, Lorie ; Keating, Sheila M. ; Norris, Philip J. ; Burke-Miller, Jane ; Savarese, Antonia ; Kumanan, Krithika N. ; Awadalla, Saria ; Springer, Gayle ; Anastos, Kathryn ; Young, Mary ; Milam, Joel ; Valcour, Victor G. ; Weber, Kathleen M. ; Maki, Pauline M. / Variability in C-reactive protein is associated with cognitive impairment in women living with and without HIV : a longitudinal study. In: Journal of NeuroVirology. 2017 ; pp. 1-11.
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abstract = "Despite the availability of effective antiretroviral therapies, cognitive impairment (CI) remains prevalent in HIV-infected (HIV+) individuals. Evidence from primarily cross-sectional studies, in predominantly male samples, implicates monocyte- and macrophage-driven inflammatory processes linked to HIV-associated CI. Thus, peripheral systemic inflammatory markers may be clinically useful biomarkers in tracking HIV-associated CI. Given sex differences in immune function, we focused here on whether mean and intra-individual variability in inflammatory marker-predicted CI in HIV+ and HIV− women. Seventy-two HIV+ (36 with CI) and 58 HIV− (29 with CI) propensity-matched women participating in the Women’s Interagency HIV Study completed a neuropsychological battery once between 2009 and 2011, and performance was used to determine CI status. Analysis of 13 peripheral immune markers was conducted on stored biospecimens at three time points (7 and 3.5 years before neuropsychological data collection and concurrent with data collection). HIV+ women showed alterations in 8 immune markers compared to HIV− women. The strongest predictors of CI across HIV+ and HIV− women were lower mean soluble tumor necrosis factor receptor I (sTNFRI) levels, higher mean interleukin (IL)-6 levels, and greater variability in C-reactive protein (CRP) and matrix metalloproteinase (MMP)-9 (p values < 0.05). Stratified by HIV, the only significant predictor of CI was greater variability in CRP for both HIV+ and HIV− women (p values < 0.05). This variability predicted lower executive function, attention/working memory, and psychomotor speed in HIV+ but only learning in HIV− women (p values < 0.05). Intra-individual variability in CRP levels over time may be a good predictor of CI in predominately minority low-socioeconomic status midlife women.",
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