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Elevated cerebral spinal fluid cytokine levels in boys with cerebral adrenoleukodystrophy correlates with MRI

Troy C Lund1, Paul S Stadem, Angela Panoskaltsis-Mortari

  • 1Division of Pediatric Blood and Marrow Transplant, University of Minnesota, Minneapolis, Minnesota, United States of America. lundx072@umn.edu

Plos One
|February 24, 2012
PubMed
Abstract

Insights

Cerebral adrenoleukodystrophy (cALD) involves elevated cytokines like IL-8 and MCP-1 in cerebrospinal fluid (CSF), correlating with disease severity. This study identifies key inflammatory markers for potential targeted therapies in cALD patients.

Area of Science:

  • Neuroscience
  • Immunology
  • Genetics

Background:

  • X-linked adrenoleukodystrophy (ALD) is a peroxisomal disorder caused by ABCD1 gene mutations.
  • Cerebral ALD (cALD) is the most severe form, characterized by inflammation and demyelination.
  • Limited data exists on cytokine profiles in the cerebrospinal fluid (CSF) of boys with cALD.

Purpose of the Study:

  • To investigate and quantify cytokine levels in the CSF and serum of boys with cALD.
  • To correlate these cytokine levels with disease severity as assessed by MRI.

Main Methods:

  • Measurement of 23 distinct cytokines in CSF and serum samples from cALD patients and controls.
  • Utilized the Loes MRI severity score to assess disease progression.
  • Statistical analysis to determine significant differences and correlations.

Main Results:

  • Significantly elevated CSF levels of IL-8, IL-1ra, MCP-1, and MIP-1b were observed in cALD patients compared to controls.
  • Elevated serum SDF-1 was the only significant difference found in serum cytokines.
  • CSF IL-8 and MCP-1b, along with serum SDF-1, correlated with cALD severity on MRI; CSF total protein was also elevated and correlated with disease severity.

Conclusions:

  • IL-8, IL-1ra, MCP-1, MIP-1b, and CSF total protein are significantly elevated in cALD.
  • CSF IL-8, MCP-1b, and total protein levels correlate with MRI-determined disease severity.
  • These findings represent the largest report on CSF cytokines in cALD, offering insights into disease mechanisms and potential therapeutic targets.

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