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Soluble interleukin 2 receptor in dialyzed patients
1Division of Nephrology, Department of Medicine, Taichung Veterans General Hospital, Taiwan.
Artificial Organs
|March 10, 1998
Summary
Azotemic patients exhibit elevated soluble interleukin 2 receptors (sIL-2R) due to T lymphocyte preactivation. Chronic renal failure, not dialysis type, is the primary cause of this immune state.
Area of Science:
- Immunology
- Nephrology
- Clinical Chemistry
Background:
- Azotemic patients often show T lymphocyte preactivation with excessive interleukin 2 receptor (IL-2R) expression.
- The underlying cause of this preactivation state in azotemia remains unclear.
Purpose of the Study:
- To investigate serum levels of soluble IL-2R (sIL-2R) in patients with azotemia undergoing different dialysis treatments.
- To identify factors contributing to T lymphocyte preactivation in chronic renal failure.
Main Methods:
- Serum sIL-2R levels were measured in patients on hemodialysis (HD) and continuous ambulatory peritoneal dialysis (CAPD).
- Comparison of sIL-2R levels between patient groups and a normal control group.
- Analysis of clinical parameters (e.g., blood transfusion, dialysis specifics, erythropoietin, hepatitis B, liver function) for their impact on sIL-2R levels.
Main Results:
- Both HD and CAPD groups showed significantly higher sIL-2R levels compared to controls (p < 0.00001).
- No significant difference in sIL-2R levels was observed between the HD and CAPD patient groups.
- Clinical variables studied did not significantly influence sIL-2R levels.
Conclusions:
- Chronic renal failure itself is the primary driver of T lymphocyte preactivation in azotemic patients.
- Dialysis modality and various clinical factors do not significantly alter sIL-2R levels in these patients.