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Related Concept Videos

Cerebrospinal Fluid01:21

Cerebrospinal Fluid

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Cerebrospinal fluid (CSF) is a colorless liquid that flows around the brain and the spinal cord, playing a vital role in the protection, support, and overall function of the central nervous system (CNS). CSF production, circulation, and absorption are tightly regulated processes essential for the brain and spinal cord to function properly.
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain....
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Quantitative Measurement of Intrathecally Synthesized Proteins in Mice
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CSF profile in primary progressive multiple sclerosis: Re-exploring the basics.

Ahmed Abdelhak1, Tilman Hottenrott2, Christoph Mayer3

  • 1Department of Neurology, Ulm University, Ulm, Germany.

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|August 11, 2017
PubMed
Summary
This summary is machine-generated.

Cerebrospinal fluid (CSF) analysis in primary progressive multiple sclerosis (PPMS) reveals elevated immunoglobulin G (IgG) oligoclonal bands (OCBs) in most patients. CSF-lactate levels correlate with disease progression, suggesting mitochondrial dysfunction, while IgM and IgA may have a protective role.

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Area of Science:

  • Neurology
  • Biochemistry
  • Immunology

Background:

  • Primary progressive multiple sclerosis (PPMS) is a debilitating neurological disease.
  • Understanding cerebrospinal fluid (CSF) biomarkers is crucial for diagnosing and monitoring PPMS.
  • Previous studies have indicated alterations in CSF profiles in multiple sclerosis, but a comprehensive analysis in PPMS is needed.

Purpose of the Study:

  • To establish the basic cerebrospinal fluid (CSF) profile in a large cohort of patients with primary progressive multiple sclerosis (PPMS).
  • To investigate correlations between CSF parameters and disease progression as measured by the Expanded Disability Status Scale (EDSS).

Main Methods:

  • CSF analysis was performed on 254 PPMS patients across four German university hospitals.
  • Routine CSF parameters, CSF-serum albumin quotient (QALB), and intrathecal immunoglobulin synthesis (including IgG oligoclonal bands - OCBs) were evaluated.
  • Correlations between CSF parameters and EDSS at baseline and over time were assessed.

Main Results:

  • Median cell count and albumin concentration in CSF were within normal limits.
  • Elevated CSF-serum albumin quotient (QALB) was observed in 29.6% of patients.
  • Intrathecal immunoglobulin G (IgG) oligoclonal bands (OCBs) were detected in 91.1% of patients.
  • CSF-lactate levels, and local IgM and IgA synthesis correlated with the yearly disease progression rate (EDSS).

Conclusions:

  • This study presents the largest detailed CSF biomarker profile for PPMS to date.
  • OCBs are the most sensitive marker for intrathecal IgG synthesis in PPMS.
  • CSF-lactate positivity correlates with disease progression, suggesting a role for mitochondrial dysfunction.
  • A negative correlation between intrathecally produced IgM and IgA and disease progression may indicate a protective role for these immunoglobulins.