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An Improved Method for Collection of Cerebrospinal Fluid from Anesthetized Mice
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Reduced cerebrospinal fluid BACE1 activity in multiple sclerosis.

N Mattsson1, M Axelsson, S Haghighi

  • 1Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, the Sahlgrenska Academy at University of Gothenburg, Mölndal, Sweden. niklas.mattsson@neuro.gu.se

Multiple Sclerosis (Houndmills, Basingstoke, England)
|January 21, 2009
PubMed
Summary
This summary is machine-generated.

Beta-site APP-cleaving enzyme 1 (BACE1) activity in cerebrospinal fluid (CSF) is lower in multiple sclerosis (MS) patients and decreases over time, suggesting BACE1

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Area of Science:

  • Neuroscience
  • Immunology
  • Biochemistry

Background:

  • Beta-site APP-cleaving enzyme 1 (BACE1) is implicated in myelination processes based on cellular and animal studies.
  • Investigating BACE1's role in neurological disorders like multiple sclerosis (MS) is crucial for understanding disease mechanisms.

Purpose of the Study:

  • To determine the association between cerebrospinal fluid (CSF) BACE1 activity and multiple sclerosis (MS).
  • To compare BACE1 activity in MS patients with healthy controls and patients with systemic lupus erythematosus (SLE).

Main Methods:

  • Analyzed BACE1 activity and amyloid precursor protein (APP) and amyloid-beta (Abeta) isoforms in CSF from 100 MS patients, 114 healthy controls, and 67 SLE patients.
  • Collected longitudinal CSF samples from a subset of MS patients and controls after 10 years.
  • Correlated BACE1 activity with amyloid markers and clinical disease severity.

Main Results:

  • MS patients exhibited significantly lower CSF BACE1 activity compared to controls (P = 0.03).
  • Patients with cerebral SLE showed the highest BACE1 activity, significantly elevated compared to all other groups (P < 0.05).
  • BACE1 activity decreased over 10 years in MS patients (P = 0.039) and inversely correlated with disease severity.

Conclusions:

  • The findings suggest a potential involvement of BACE1 in the pathogenesis of multiple sclerosis.
  • BACE1 activity may serve as a biomarker for MS, reflecting disease progression and potentially therapeutic targets.