Related Experiment Videos
Prognostic significance of immune function parameters in patients with chronic lymphocytic leukaemia
A Apostolopoulos1, A Symeonidis, N Zoumbos
1Department of Internal Medicine, Patras University Medical School, Greece.
Insights
Immune function markers, including T cell ratios and natural killer cell activity, can predict the disease severity in chronic lymphocytic leukemia (CLL) patients. These simple immune parameters offer prognostic value for individuals diagnosed with CLL.
Area of Science:
- Immunology
- Hematology
- Oncology
Background:
- Chronic lymphocytic leukemia (CLL) is a B-cell malignancy characterized by immune dysregulation.
- Assessing immune function in CLL patients is crucial for understanding disease progression and prognosis.
Purpose of the Study:
- To determine key immune function parameters in newly diagnosed chronic lymphocytic leukemia (CLL) patients.
- To correlate these immune parameters with clinical data and disease course.
- To evaluate the prognostic value of immune function markers in CLL.
Main Methods:
- Analysis of immune function parameters in 41 newly diagnosed CLL patients.
- Measurement of helper to suppressor T cell ratio (CD4/CD8).
- Assessment of circulating natural killer (NK) cell proportion and NK cell activity.
- Correlation of immune findings with clinical stage and disease progression.
Main Results:
- Patients in clinical stages B and C exhibited significantly lower CD4/CD8 ratios, NK cell proportions, and NK activity.
- Advanced stage CLL patients with a more severe subsequent course (frequent respiratory infections) showed a significantly lower CD4/CD8 ratio, very low NK cell proportion, and decreased gamma-globulins at presentation compared to those with a milder course.
- Specific immune parameters like CD4/CD8 ratio, NK cell proportion, and gamma-globulin levels demonstrated significant differences between patients with varying disease severity.
Conclusions:
- Simple immune function parameters, including CD4/CD8 ratio and NK cell proportion, possess prognostic value in chronic lymphocytic leukemia (CLL).
- These markers can help predict the clinical course and potential complications in CLL patients.
- Further research into immune modulation could offer therapeutic strategies for CLL.
Abstract:
We determined immune function parameters in 41 newly diagnosed patients with chronic lymphocytic leukaemia (CLL) and correlated these findings with the clinical data and the subsequent course of the disease. The ratio of helper to suppressor T cells (CD4/CD8), the proportion of circulating natural killer (NK) cells and the NK activity were significantly low in clinical stage B and C patients. Among patients presenting with advanced disease, those who subsequently had a more severe course, characterised mainly by frequent respiratory infections, were found to have at presentation a significantly lower CD4/CD8 ratio (x +/- SEM = 0.95 +/- 0.09, vs 1.28 +/- 0.14), a very low proportion of NK cells (4.78 +/- 0.85, vs 11.75 +/- 2.1%) and decreased amount of gamma-globulins (0.66 +/- 0.08, vs 0.97 +/- 0.09 g/dl), in comparison with patients with a much milder later course. These simple parameters of immune function seem to have prognostic value for patients with CLL.