Relationship of plasma cytokines and clinical biomarkers to memory performance in HIV

J Neuroimmunol. 2013 Dec 15;265(1-2):117-23. doi: 10.1016/j.jneuroim.2013.09.005. Epub 2013 Sep 27.

Abstract

Chronic systemic immune activation and inflammatory processes have been linked to brain dysfunction in medically stable HIV-infected people. We investigated the association between verbal memory performance and plasma concentrations of 13 cytokines measured using multiplexed bead array immunoassay in 74 HIV-seropositive individuals and 50 HIV-seronegative controls. Memory performance was positively related to levels of IL-8 and IFN-γ, and negatively related to IL-10 and IL-18 and to hepatitis C infection. Memory performance was not significantly related to HIV disease markers. The results indicate the importance of systemic immune and inflammatory markers to neurocognitive function in chronic and stable HIV disease.

Keywords: CART; Cytokines; HIV; HIV clinical markers; Hepatitis C; Memory.

Publication types

  • Research Support, N.I.H., Extramural

MeSH terms

  • Adult
  • Aged
  • Analysis of Variance
  • Biomarkers / blood
  • CD4 Antigens / blood
  • Chemokine CCL2 / metabolism
  • Cytokines / blood*
  • Enzyme-Linked Immunosorbent Assay
  • Female
  • HIV Infections / blood*
  • HIV Infections / complications*
  • Humans
  • Male
  • Memory Disorders / etiology*
  • Memory Disorders / virology
  • Middle Aged
  • Neuropsychological Tests
  • Regression Analysis
  • Retrospective Studies
  • Verbal Learning / physiology
  • Young Adult

Substances

  • Biomarkers
  • CD4 Antigens
  • Chemokine CCL2
  • Cytokines