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Heart fatty acid binding protein as a potential diagnostic marker for neurodegenerative diseases

Petra Steinacker1, Brit Mollenhauer, Mirko Bibl

  • 1Department of Neurology, University Hospital, Robert-Koch-Str. 40, 37075 Goettingen, Germany.

Neuroscience Letters
|October 19, 2004
PubMed

Insights

Heart fatty acid binding protein (H-FABP) shows potential as a biomarker for differentiating dementias. Elevated H-FABP in cerebrospinal fluid (CSF) and serum may aid in diagnosing Creutzfeldt-Jakob disease (CJD) versus Alzheimer's disease (AD) and dementia with Lewy bodies (DLB).

Area of Science:

  • Neuroscience
  • Biochemistry
  • Medical Diagnostics

Background:

  • Diagnosing neurodegenerative dementias is challenging, often requiring multiple tests with uncertain outcomes.
  • Previous proteomic studies suggested heart fatty acid binding protein (H-FABP) as a potential biomarker for Creutzfeldt-Jakob disease (CJD).

Purpose of the Study:

  • To investigate the utility of H-FABP as a biomarker for the differential diagnosis of various dementias.
  • To compare H-FABP levels in cerebrospinal fluid (CSF) and serum across different dementia types and controls.

Main Methods:

  • Quantification of H-FABP levels in CSF and serum samples.
  • Inclusion of patients with CJD, dementia with Lewy bodies (DLB), Alzheimer's disease (AD), and non-demented controls (NDC).

Main Results:

  • H-FABP levels were elevated in CSF and serum of CJD patients compared to NDC.
  • CSF H-FABP levels were significantly higher in CJD patients than in AD and DLB patients.
  • Serum H-FABP levels were highest in DLB patients, but serum analysis alone could not differentiate CJD from AD.
  • Parallel analysis of CSF and serum H-FABP showed potential for differentiating dementias.

Conclusions:

  • H-FABP may serve as a valuable biomarker for distinguishing between CJD, AD, and DLB.
  • Simultaneous measurement of H-FABP in CSF and serum enhances its diagnostic utility for differentiating dementias.

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