HIV-1 infected monocyte-derived macrophages affect the human brain microvascular endothelial cell proteome: new insights into blood-brain barrier dysfunction for HIV-1-associated dementia

J Neuroimmunol. 2007 Apr;185(1-2):37-46. doi: 10.1016/j.jneuroim.2007.01.004. Epub 2007 Feb 23.

Abstract

Blood-brain barrier (BBB) compromise and transendothelial migration of HIV-infected leukocytes into the central nervous system (CNS) underlies the neuropathogenesis of HIV-1 infection. How this occurs is incompletely understood. We used a proteomic platform integrating difference gel electrophoresis and tandem mass spectrometry peptide sequencing to determine the effects that HIV-1-infected macrophages have on human brain microvascular endothelial cell (HBMEC) protein profiles. HIV-1 infected monocyte-derived macrophages (MDM) induced the upregulation of over 200 HBMEC proteins. These included metabolic, voltage-gated ion channels, heat shock, transport, cytoskeletal, regulatory, and calcium binding proteins. Results were validated by Western blot analysis. We conclude that HIV-1-infected MDM affect the HBMEC proteome and, in this way, affect BBB dysfunction and the development of HIV-1 CNS disease.

Publication types

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

MeSH terms

  • AIDS Dementia Complex / physiopathology*
  • Blood-Brain Barrier / physiology*
  • Blood-Brain Barrier / virology
  • Blotting, Western
  • Brain / virology
  • Cells, Cultured
  • Coculture Techniques
  • Electrophoresis, Gel, Two-Dimensional
  • Endothelial Cells / physiology*
  • Gene Expression
  • Gene Expression Regulation*
  • HIV Infections / physiopathology*
  • HIV-1
  • Humans
  • Image Processing, Computer-Assisted
  • Macrophages / virology*
  • Proteomics
  • Tandem Mass Spectrometry