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Neopterin as a marker for activated cell-mediated immunity: application in malignant disease
G Reibnegger1, D Fuchs, L C Fuith
1Institute for Medical Chemistry and Biochemistry, University of Innsbruck, Austria.
Cancer Detection and Prevention
|January 1, 1991
Summary
Neopterin levels in body fluids can indicate immune system activation in cancer patients. Elevated neopterin concentrations correlate with advanced cancer stages and poorer prognosis, serving as a valuable monitoring marker.
Area of Science:
- Immunology
- Oncology
- Biochemistry
Background:
- Neopterin is a biomarker reflecting cell-mediated immune responses, primarily macrophage activation by interferon-gamma.
- Monitoring immune status is crucial in managing malignant neoplastic diseases.
Purpose of the Study:
- To review the role of neopterin determination in patients with malignant neoplastic diseases.
- To assess neopterin's utility as a prognostic and monitoring marker in cancer.
Main Methods:
- Review of studies on neopterin determination in body fluids of cancer patients.
- Analysis of the correlation between neopterin levels, tumor type, stage, and patient prognosis.
- Evaluation of neopterin's predictive value independent of clinical confounders.
Main Results:
- Neopterin concentrations vary with tumor type and are generally higher in advanced stages.
- High pretherapeutic neopterin levels are significantly associated with poorer prognosis across various cancers.
- Neopterin elevations during follow-up can predict clinical deterioration.
Conclusions:
- Neopterin determination is a valuable tool for monitoring immune activation in cancer patients.
- Neopterin serves as an independent prognostic marker and a useful indicator for disease progression.
- Further research into the immunobiological implications of these findings is warranted.