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Related Experiment Videos

A radiochemical test for phospholipase A2 catalytic activity.

H R Schädlich1, M Büchler, H G Beger

  • 1Abteilung für Allgemeine Chirurgie, Universität Ulm.

Klinische Wochenschrift
|February 1, 1989
PubMed
Summary

This study introduces a new method for measuring Phospholipase A2 (PLA2) activity in biological samples. The assay is practical and effective for determining PLA2 levels in serum and ascites fluid.

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Area of Science:

  • Biochemistry
  • Clinical Chemistry

Background:

  • Phospholipase A2 (PLA2) is an enzyme implicated in various physiological and pathological processes.
  • Accurate determination of PLA2 activity is crucial for diagnosing and monitoring conditions like pancreatitis.

Purpose of the Study:

  • To develop and validate a practical method for the selective determination of Phospholipase A2 activity.
  • To assess PLA2 activity in human serum and ascites samples.

Main Methods:

  • Utilized a position-specifically labelled phosphatidylcholine as the substrate for selective PLA2 determination.
  • Optimized reaction conditions and simplified handling procedures.
  • Employed commercially available reagents for the assay.

Main Results:

  • Established optimal reaction conditions and handling for PLA2 determination.
  • Control human serum samples showed PLA2 activity up to 2.1 U/l.
  • Patients with acute pancreatitis exhibited maximum serum PLA2 activity of 126 U/l.
  • Human ascites samples displayed PLA2 activities up to 380 U/l.

Conclusions:

  • The described method is a practicable instrument for determining PLA2 activity.
  • The assay is suitable for use with readily available commercial reagents.
  • The method allows for the selective determination of PLA2 in serum, ascites, and tissue samples.

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