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Related Experiment Videos

Enzyme release.

E Schmidt1, F W Schmidt

  • 1Abt. Gastroenterologie und Hepatologie, Medizinische Hochschule Hannover, FRG.

Journal of Clinical Chemistry and Clinical Biochemistry. Zeitschrift Fur Klinische Chemie Und Klinische Biochemie
|September 1, 1987
PubMed
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This study investigates enzyme release from tissues, identifying factors influencing leakage patterns for disease diagnosis. Understanding these release mechanisms is crucial for interpreting diagnostic markers.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Pathophysiology

Background:

  • Enzyme release from tissues is a key indicator in disease diagnosis.
  • Factors influencing enzyme leakage are complex, involving molecular and cellular properties.
  • While preconditions are understood, membrane alterations and transport mechanisms remain unclear.

Purpose of the Study:

  • To comprehensively study enzyme release patterns across various tissues.
  • To identify factors affecting the extent and kinetics of enzyme leakage.
  • To elucidate the mechanisms underlying enzyme detachment and transport from cells.

Main Methods:

  • Studied enzyme release in intact animals, tissue slices, organ perfusion, and cultured cells.
  • Investigated the influence of enzyme molecular properties, intracellular localization, and organ status.

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  • Examined the role of cellular energy state, protein turnover, and organ lesion type.

    • Main Results:

    • Enzyme release patterns are influenced by enzyme characteristics, cellular localization, and organ condition.
    • Nutritional/energetic state, protein turnover, and lesion type significantly affect enzyme leakage.
    • Cytoskeletal changes and plasma membrane lipid alterations are linked to ion imbalance and energy status.

    Conclusions:

    • Multiple factors govern enzyme release, contributing to diagnostic patterns.
    • Further research is needed to clarify membrane alterations and enzyme transport mechanisms.
    • Cellular energy metabolism and membrane integrity are critical determinants of enzyme release.