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Related Experiment Videos

Lysozyme activity in cerebrospinal fluid.

S Reitamo, M Klockars

    Acta Medica Scandinavica
    |January 1, 1976
    PubMed
    Summary

    Lysozyme (LZM) levels in cerebrospinal fluid (CSF) can help diagnose central nervous system (CNS) diseases. Elevated LZM indicates inflammatory conditions like meningitis or intracranial tumors.

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    Area of Science:

    • Neurology
    • Biochemistry
    • Medical Diagnostics

    Background:

    • Lysozyme (LZM) is an enzyme with antimicrobial properties.
    • Its presence and concentration in cerebrospinal fluid (CSF) may indicate pathological processes within the central nervous system (CNS).
    • Understanding LZM levels can aid in differentiating various CNS diseases.

    Purpose of the Study:

    • To investigate the concentration of lysozyme (LZM) in the CSF of patients with various central nervous system (CNS) diseases.
    • To evaluate the diagnostic significance of CSF-LZM levels in differential diagnosis.
    • To explore the correlation between CSF-LZM and protein concentrations.

    Main Methods:

    • CSF samples were collected from 148 patients with diverse neurological conditions and controls.
    • Lysozyme (LZM) concentrations in CSF were measured.
    • Statistical analysis was performed to compare LZM levels across different patient groups and correlate with protein levels.

    Main Results:

    • Normal LZM levels were observed in healthy controls, diabetic, and epileptic patients.
    • Elevated CSF-LZM was found in patients with intracranial tumors (4/8) and significantly in uremic patients (20/23).
    • The highest LZM concentrations were detected in patients with bacterial meningitis, tuberculous meningitis, and Aspergillus-related leptomeningitis, showing a positive correlation with CSF protein.

    Conclusions:

    • CSF lysozyme (LZM) measurement is a valuable tool for diagnosing inflammatory CNS diseases, including meningitis.
    • Elevated LZM levels can also suggest the presence of certain intracranial tumors.
    • LZM concentration in CSF shows potential as a diagnostic biomarker for specific neurological conditions.

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