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Zinc in depressive disorder.
1Department of Psychiatry, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom.
Acta Psychiatrica Scandinavica
|December 1, 1990
Summary
Plasma zinc levels are lower in patients with primary affective disorder. Zinc levels significantly increased in depressed patients from hospital admission to discharge, suggesting a potential role for zinc in mood regulation.
Area of Science:
- Biochemistry
- Psychiatry
- Clinical Nutrition
Background:
- Primary affective disorder is a common and debilitating mental health condition.
- Altered trace element levels, including zinc, have been implicated in the pathophysiology of mood disorders.
- Zinc plays a crucial role in neurotransmitter function and neuronal health.
Purpose of the Study:
- To investigate plasma zinc levels in patients with primary affective disorder.
- To compare zinc levels between depressed patients and healthy controls.
- To examine changes in plasma zinc levels during hospitalization for depression.
Main Methods:
- Plasma zinc concentrations were measured using atomic absorption spectrophotometry.
- A case-control study design was employed, comparing 14 patients with primary affective disorder to 14 age- and sex-matched controls.
- Longitudinal measurements were taken for 9 patients from admission to discharge.
Main Results:
- Patients with primary affective disorder exhibited significantly lower plasma zinc levels compared to controls.
- A statistically significant increase in plasma zinc levels was observed between hospital admission and discharge in the depressed patient group.
- These findings indicate a dynamic change in zinc status during depressive episodes.
Conclusions:
- Plasma zinc deficiency may be associated with primary affective disorder.
- Zinc supplementation or modulation could be a potential therapeutic avenue for depression.
- Further research is warranted to elucidate the precise mechanisms linking zinc and mood regulation.