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Therapeutic Potential of the Activators of the Nuclear Factor Erythroid 2-Related Factor 2-Antioxidant Response
1Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University.
Abstract:
Oxidative stress is recognized as an important mediator of brain disorders. Nevertheless, there are few antioxidants approved for brain diseases. There are two types of mechanisms as antioxidant systems in vivo, antioxidants and antioxidant enzymes. Antioxidants are consumed by the reaction with reactive oxygen species. Thus, it is important to maintain high concentrations at the requisite site. On the other hand, antioxidant capacity is maintained for around a half-day to one day once antioxidant enzymes are induced. Therefore, low molecular-weight compounds that could induce antioxidant enzymes are considered to be suitable for the treatment and prevention of brain diseases. The nuclear factor erythroid 2-related factor 2 (Nrf2)-antioxidant response element (ARE) pathway is known as a system for inducing these antioxidant enzymes. Here, the potential for low molecular-weight compounds capable of activating the Nrf2-ARE pathway to become therapeutic agents for brain diseases is discussed.
Insights
Low molecular-weight compounds that activate the Nrf2-ARE pathway may treat brain disorders. These compounds induce antioxidant enzymes, offering a sustained defense against oxidative stress, unlike traditional antioxidants.
Area of Science:
- Neuroscience
- Biochemistry
- Pharmacology
Background:
- Oxidative stress is a key factor in brain disorders.
- Current antioxidant treatments for brain diseases are limited.
- In vivo antioxidant systems include consumable antioxidants and inducible antioxidant enzymes.
Purpose of the Study:
- To explore the therapeutic potential of low molecular-weight compounds for brain diseases.
- To investigate compounds that activate the nuclear factor erythroid 2-related factor 2 (Nrf2)-antioxidant response element (ARE) pathway.
Main Methods:
- Discussion of existing literature on the Nrf2-ARE pathway.
- Analysis of the mechanisms of antioxidant enzymes induction.
- Evaluation of low molecular-weight compounds as Nrf2-ARE activators.
Main Results:
- Antioxidant enzymes provide sustained protection compared to consumable antioxidants.
- Inducing antioxidant enzymes is a promising strategy for treating brain disorders.
- Low molecular-weight compounds can activate the Nrf2-ARE pathway.
Conclusions:
- Compounds activating the Nrf2-ARE pathway are potential therapeutic agents for brain diseases.
- Targeting the Nrf2-ARE pathway offers a novel approach to managing oxidative stress in neurological conditions.
- Further research into these compounds could lead to new treatments for debilitating brain disorders.
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