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Influence of middle-sized molecule aggregates from dialysate of uremic patients on lymphocyte transformation in vitro
Nephron
|January 1, 1976
Abstract:
It was found that middle-sized molecules obtained from dialysate of uremic patients caused suppression of PHA-induced lymphocyte transformation. This was expressed by the lowering of labeled leucine incorporation and by the suppression of lymphocyte transformation as morphologically assessed. In view of the presented data middle-sized molecules seem to be biologically active substances.
Insights
Middle-sized molecules from uremic patient dialysate suppress lymphocyte transformation. These biologically active substances impact immune cell function in uremia.
Area of Science:
- Biochemistry
- Immunology
- Nephrology
Background:
- Uremia is associated with immune dysfunction.
- Accumulation of middle-sized molecules in uremic patients is a known phenomenon.
Purpose of the Study:
- To investigate the biological activity of middle-sized molecules from uremic patient dialysate.
- To assess the effect of these molecules on lymphocyte transformation.
Main Methods:
- Dialysis fluid from uremic patients was used to isolate middle-sized molecules.
- Phytohemagglutinin (PHA)-induced lymphocyte transformation was measured.
- Leucine incorporation and morphological assessment were used to evaluate lymphocyte activity.
Main Results:
- Middle-sized molecules significantly suppressed PHA-induced lymphocyte transformation.
- Suppression was evident through reduced labeled leucine incorporation.
- Morphological analysis confirmed the inhibition of lymphocyte transformation.
Conclusions:
- Middle-sized molecules in uremic patients possess biological activity.
- These molecules contribute to the immune suppression observed in uremia.
- Further research into the specific mechanisms of these molecules is warranted.