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Serum gamma-glutamyl transpeptidase and physical exercise
Clinica Chimica Acta; International Journal of Clinical Chemistry
|November 1, 1976
Summary
Exercise does not significantly impact serum gamma-glutamyl transpeptidase (gamma-GT) levels, even with varying intensity or duration. This finding suggests diagnostic tests for gamma-GT can disregard a person's exercise history.
Area of Science:
- Sports Medicine
- Clinical Biochemistry
- Exercise Physiology
Background:
- Serum gamma-glutamyl transpeptidase (gamma-GT) is a biomarker used in clinical diagnostics.
- The influence of physical activity on liver enzymes requires further clarification for accurate interpretation.
Purpose of the Study:
- To investigate the immediate and delayed effects of exercise on serum gamma-GT activity.
- To assess whether exercise-induced changes in other physiological parameters affect serum gamma-GT levels.
Main Methods:
- Examined serum gamma-GT activity in athletes and untrained individuals following exercise of varied type, duration, and intensity.
- Analyzed potential influences of plasma free glutamate, serum triglyceride, and hemoconcentration on post-exercise serum gamma-GT.
Main Results:
- Neither exercise itself nor associated physiological changes notably influenced serum gamma-GT.
- A minor, transient effect on serum gamma-GT was observed only with hemoconcentration after brief, intensive exertion.
Conclusions:
- Serum gamma-GT levels are largely unaffected by acute or chronic exercise.
- Diagnostic determinations of serum gamma-GT can likely proceed without considering a patient's exercise history.