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Lymphocyte surface ferritin in malignant and inflammatory diseases
G Steinhoff1, C Van der Heul, H G Van Eijk
1Department of Chemical Pathology, Medical Faculty, Erasmus University, Rotterdam, The Netherlands.
Haematologia
|January 1, 1988
Summary
A new test measuring lymphocyte surface ferritin (LSF) shows elevated levels in many cancer patients. This lymphocyte ferritin antibody-binding test (LFABT) may offer a novel diagnostic approach for various diseases.
Area of Science:
- Immunology
- Oncology
- Biochemistry
Background:
- Elevated serum ferritin is linked to various diseases, including malignancies.
- The role and measurement of ferritin on lymphocyte surfaces remain underexplored.
- Existing diagnostic tools may not fully capture the complexity of ferritin's involvement in disease.
Purpose of the Study:
- To develop and validate a novel assay for quantifying lymphocyte surface ferritin (LSF).
- To investigate the diagnostic utility of LSF measurements in patients with malignant and non-malignant conditions.
- To explore the relationship between LSF and serum ferritin levels.
Main Methods:
- Development of a lymphocyte ferritin antibody-binding test (LFABT).
- Measurement of LSF in patients with various cancers, infectious mononucleosis, rheumatoid arthritis, bacterial infections, and hemochromatosis.
- Comparison of LSF levels with serum ferritin concentrations.
Main Results:
- LSF was elevated in 33 out of 83 patients with malignant neoplasms across all disease stages.
- Elevated LSF was observed in 2 out of 5 patients with infectious mononucleosis.
- LSF levels were normal in patients with rheumatoid arthritis, bacterial infections, and hemochromatosis.
- No correlation was found between LSF and serum ferritin levels.
Conclusions:
- The LFABT is a potentially useful diagnostic tool for identifying conditions associated with elevated LSF.
- LSF measurement provides distinct information compared to serum ferritin levels, highlighting its biological significance.
- This assay may aid in the diagnosis and understanding of diseases involving ferritin dysregulation.