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[Superoxide dismutase activity in the blood of children with iron deficiency anemia]
Insights
Superoxide dismutase activity increases in children with iron deficiency anemia, particularly per unit of hemoglobin or erythrocytes. Enzyme activity and hemoglobin levels showed a reciprocal relationship in affected children.
Area of Science:
- Biochemistry
- Pediatric Hematology
Context:
- Iron deficiency anemia (IDA) is a prevalent condition in children.
- Superoxide dismutase (SOD) is a critical antioxidant enzyme.
- Understanding enzyme activity in anemia is vital for pediatric health.
Purpose:
- To investigate the activity of superoxide dismutase in children diagnosed with various forms of iron deficiency anemia.
- To explore the relationship between SOD activity and hemoglobin levels in pediatric anemia.
Summary:
- Superoxide dismutase activity was elevated in all studied types of pediatric iron deficiency anemia.
- The increase in SOD activity was more pronounced when normalized per milligram of hemoglobin or per billion erythrocytes.
- A reciprocal relationship was observed between SOD activity and hemoglobin content, with a notable correlation in premature infants.
Impact:
- Findings suggest SOD plays a compensatory role in pediatric iron deficiency anemia.
- Highlights potential biomarkers for assessing anemia severity and oxidative stress.
- Informs therapeutic strategies targeting oxidative balance in anemic children.
Abstract:
Activity of superoxide dismutase was studied in blood of children with various types of iron deficiency anemia. The enzymatic activity was increased in all the types of iron deficiency anemia studied (typical form, infectious anemia of premature children). This increase was especially distinct, when calculation was made per 1 mg of hemoglobin or 1 billion of erythrocytes. Alterations in superoxide dismutase activity and in content of blood hemoglobin were reciprocal in the anemias studied. Correlation was observed between the alteration in the enzymatic activity and a decrease in content of hemoglobin in prematurely born children with anemia.