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Increased serum selenium levels in patients under corticosteroid treatment
G Marano1, P Fischioni, C Graziano
1Laboratory of Pharmacology, Institute of Health, Rome, Italy.
Pharmacology & Toxicology
|August 1, 1990
Summary
Corticosteroid therapy significantly increases serum selenium levels, with higher doses showing a greater effect. This rise in selenium may be linked to reduced kidney excretion caused by the medication's effects.
Area of Science:
- Biochemistry
- Endocrinology
- Clinical Medicine
Background:
- Micronutrient levels are sensitive to therapeutic interventions.
- Corticosteroids are widely used medications with known systemic effects.
Purpose of the Study:
- To investigate the impact of corticosteroid treatment on serum selenium levels.
- To explore potential dose-dependent relationships and underlying mechanisms.
Main Methods:
- Serum selenium levels were measured in patients undergoing corticosteroid therapy.
- Patients were categorized into different treatment groups.
- Dose-response relationships were analyzed, particularly for methylprednisolone.
Main Results:
- Corticosteroid administration was significantly associated with elevated serum selenium concentrations.
- A dose-dependent relationship was observed in patients treated with methylprednisolone.
- No definitive cause was identified, but reduced renal excretion was hypothesized.
Conclusions:
- Corticosteroid therapy demonstrably alters serum selenium levels.
- The mineralocorticoid activity of corticosteroids may reduce renal selenium excretion, leading to increased serum levels.
- Further research is needed to elucidate the precise mechanisms and clinical implications.