Antioxidants in Cardiovascular Health: Implications for Disease Modeling Using Cardiac Organoids

Area of Science:

• Cardiology
• Molecular Biology
• Biochemistry

Background:

• Cardiovascular disease is a leading global cause of death.
• Oxidative stress, an imbalance of reactive oxygen species (ROS) and antioxidant defenses, is central to cardiovascular pathology.
• ROS damage cardiac cells, including cardiomyocytes, fibroblasts, and macrophages, leading to heart failure, fibrosis, and atherosclerosis.

Purpose of the Study:

• To review the impact of oxidative stress on various cardiac cell types.
• To evaluate current and emerging antioxidant therapeutic strategies for cardiovascular disease.
• To highlight innovative technologies for understanding and treating oxidative stress-related heart conditions.

Main Methods:

• Review of existing literature on oxidative stress in cardiovascular disease.
• Analysis of natural and synthetic antioxidant therapeutic approaches.
• Examination of novel strategies like targeted delivery, pathway activation, and 3D organoid models.

Main Results:

• Oxidative stress impairs cardiomyocyte function, promotes fibroblast fibrosis, and exacerbates macrophage-driven inflammation.
• Antioxidant therapies show promise in preclinical models but yield inconsistent results in clinical trials.
• Challenges in clinical translation include identifying effective biomarkers and optimizing delivery methods.

Conclusions:

• Targeted antioxidant delivery, endogenous pathway activation, and advanced disease models like 3D organoids offer improved therapeutic efficacy.
• Innovative technologies, including lab-grown heart tissue, enhance understanding of oxidative stress mechanisms in heart disease.
• These advancements bridge research and personalized medicine, improving diagnosis and treatment of cardiovascular disease.