Lipid peroxidation in the hemolytic uremic syndrome
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Medical Hypotheses
|July 1, 1978
Insights
Genetic factors and low vitamin E levels suggest an inborn antioxidant deficiency may cause Hemolytic Uremic Syndrome (HUS). This points to a fundamental metabolic error in antioxidant capacity underlying HUS pathogenesis.
Area of Science:
- Biochemistry
- Genetics
- Pediatrics
Background:
- Hemolytic Uremic Syndrome (HUS) is a serious condition affecting children.
- Evidence suggests a genetic component influencing HUS prognosis.
- Red blood cells in HUS patients show phospholipid depletion and low/absent serum alpha-tocopherol.
Purpose of the Study:
- To propose a novel pathogenetic mechanism for Hemolytic Uremic Syndrome.
- To investigate the role of antioxidant capacity in HUS development.
Main Methods:
- Review of recent evidence on genetic influence on HUS prognosis.
- Analysis of red cell membrane phospholipid levels.
- Assessment of serum alpha-tocopherol (vitamin E) concentrations in HUS patients.
Main Results:
- Observed phospholipid depletion in red blood cells.
- Identified low or absent serum alpha-tocopherol levels in affected children.
- Correlated these findings with genetic evidence.
Conclusions:
- Suggests an inborn error of antioxidant capacity as a potential basic pathogenetic mechanism in HUS.
- Highlights the role of oxidative stress and vitamin E deficiency in HUS.
- Proposes a new avenue for HUS research and potential therapeutic targets.
Abstract:
Based on recent evidence of a genetic influence on prognosis (1) and the existence of red cell membrane phospholipid depletion with low or absent serum alpha-tocopherol (2) levels in three children with the Hemolytic Uremic Syndrome (H.U.S.), we wish to suggest the existence of an inborn error of antioxident capacity as the basic pathogenetic mechanism in the development of the hemolytic uremic syndrome (H.U.S.).