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Delivery systems for antioxidant nutrients
Jiro Takata1, Kazuhisa Matsunaga, Yoshiharu Karube
1Faculty of Pharmaceutical Sciences, Fukuoka University, Nanakuma, Johnan-ku, Fukuoka, 814-0180, Japan.
Abstract:
The novel role of oxidants and antioxidants as part of cell signaling cascades has opened new areas of research in several disease states and their therapeutic strategies. For successful therapeutic manipulation of reactive oxygen species (ROS)-mediated cellular signaling pathways, it would necessitate control of the critical balance of oxidants/antioxidants in the target site by the antioxidant. Another way of controlling the critical balance is to avoid excessive generation of ROS from nutrients and/or drugs. From the viewpoint of controlling the balance between the oxidant and antioxidant status, this review focuses on the prodrug approach for delivery systems of vitamin E, a major antioxidant nutrient in the membrane, and on the reductive activation-independent delivery system of vitamin K hydroquinone by a prodrug approach, which can avoid excessive generation of ROS synchronized with the activation process of vitamin K.
Insights
This review explores using prodrug strategies to balance oxidants and antioxidants for therapeutic benefit. It highlights vitamin E delivery and vitamin K hydroquinone systems to control reactive oxygen species (ROS) generation.
Area of Science:
- Biochemistry
- Cell Biology
- Pharmacology
Background:
- Oxidants and antioxidants play crucial roles in cell signaling pathways, influencing various disease states.
- Maintaining the balance between oxidants and antioxidants is critical for effective therapeutic strategies targeting reactive oxygen species (ROS).
- Excessive ROS generation from nutrients or drugs can disrupt cellular homeostasis.
Purpose of the Study:
- To review prodrug approaches for delivering antioxidants, specifically vitamin E and vitamin K hydroquinone.
- To discuss methods for controlling the oxidant-antioxidant balance in target sites.
- To highlight strategies that avoid excessive ROS generation during therapeutic interventions.
Main Methods:
- Focus on prodrug strategies for vitamin E delivery systems.
- Examine reductive activation-independent delivery systems for vitamin K hydroquinone.
- Review literature on controlling ROS generation through prodrug design.
Main Results:
- Prodrug approaches offer a means to control the delivery and activity of antioxidants like vitamin E.
- Vitamin K hydroquinone prodrugs can be designed for reductive activation-independent delivery, mitigating ROS bursts.
- These strategies aim to achieve a critical balance of oxidants and antioxidants at the target site.
Conclusions:
- Prodrug strategies are promising for managing ROS-mediated signaling pathways.
- Targeted delivery of antioxidants via prodrugs can help restore oxidant-antioxidant balance.
- Avoiding synchronized ROS generation during drug activation is key for safer and more effective therapies.