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Oxidative imbalance and anxiety disorders
Krolow R1, Arcego D M1, Noschang C1
1Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil.
Current Neuropharmacology
|March 27, 2014
Summary
Oxidative stress, an imbalance in the body, is strongly linked to anxiety development in humans and animals. Reducing reactive species may offer new therapeutic strategies for anxiety disorders.
Area of Science:
- Neuroscience
- Biochemistry
- Psychiatry
Background:
- Oxidative imbalance is increasingly recognized for its role in anxiety disorders.
- Studies demonstrate a significant correlation between anxiety and oxidative stress in both human and animal models.
- Evidence includes elevated malondialdehyde levels and altered antioxidant enzyme activity in humans, and anxiety-like behaviors in animals exposed to oxidative stress.
Purpose of the Study:
- To review the relationship between oxidative stress and anxiety.
- To explore the neurobiological factors linking oxidative stress to anxious behavior.
- To identify potential therapeutic targets for anxiety disorders focused on oxidative stress.
Main Methods:
- Literature review of human and animal studies on oxidative stress and anxiety.
- Analysis of research on genetic modifications of antioxidant enzymes and their effect on anxiety-like behavior.
- Examination of related factors such as mitochondrial dysfunction, inflammatory cytokines, and neurotrophic factors.
Main Results:
- A strong correlation exists between anxiety and oxidative stress markers.
- Anxiety-like behaviors in animals can be induced by pharmacological oxidative stress and are modulated by antioxidant enzyme expression.
- Impaired mitochondrial function, inflammatory cytokines, and altered neurotrophic factors are associated with oxidative stress and anxious behavior.
Conclusions:
- Therapies targeting the reduction of reactive species production show promise for anxiety reduction.
- Further research is needed to fully elucidate the neurobiological pathways linking oxidative stress to anxiety symptoms.
- Identifying specific oxidative stress mechanisms is crucial for developing novel therapies and preventive strategies for anxiety disorders.
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