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Some aspects of middle molecules toxicity
Artificial Organs
|January 1, 1981
Summary
Middle molecules contribute to uremic disease toxicity, impacting energy, platelet function, heart, and nerves. This multidisciplinary study isolated these molecules from kidney patients to understand their harmful effects.
Area of Science:
- Nephrology
- Toxicology
- Biochemistry
Background:
- Uremic disease is a complex condition associated with the accumulation of various toxins.
- Middle molecules are a poorly understood group of substances implicated in uremic toxicity.
Purpose of the Study:
- To investigate the toxic effects of middle molecules in uremic disease.
- To explore the impact of middle molecules on energy-dependent phenomena, platelet aggregation, and cardiotoxic and neurotoxic effects.
Main Methods:
- Multidisciplinary approach involving nephrologists, hematologists, pharmacologists, chemists, and biophysicians.
- Isolation of middle molecules from the urine of healthy individuals and blood of patients with chronic renal insufficiency undergoing hemodialysis.
- Separation of middle molecules using Furst's procedure.
Main Results:
- Middle molecules were isolated and characterized.
- Four distinct toxic effects of middle molecules were identified: effects on energy-dependent phenomena, platelet aggregability, cardiotoxicity, and neurotoxicity.
Conclusions:
- Middle molecules play a significant role in the pathogenesis of uremic disease.
- These findings highlight the multifaceted toxicity of middle molecules, affecting various physiological systems.