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Interplay between energy metabolism and NADPH oxidase-mediated pathophysiology in cardiovascular diseases
Haipeng Jie1, Jingjing Zhang1, Shuzhen Wu1
1Department of Cardiology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.
Abstract:
Sustained production of reactive oxygen species (ROS) and an imbalance in the antioxidant system have been implicated in the development of cardiovascular diseases (CVD), especially when combined with diabetes, hypercholesterolemia, and other metabolic disorders. Among them, NADPH oxidases (NOX), including NOX1-5, are major sources of ROS that mediate redox signaling in both physiological and pathological processes, including fibrosis, hypertrophy, and remodeling. Recent studies have demonstrated that mitochondria produce more proteins and energy in response to adverse stress, corresponding with an increase in superoxide radical anions. Novel NOX4-mediated modulatory mechanisms are considered crucial for maintaining energy metabolism homeostasis during pathological states. In this review, we integrate the latest data to elaborate on the interactions between oxidative stress and energy metabolism in various CVD, aiming to elucidate the higher incidence of CVD in individuals with metabolic disorders. Furthermore, the correlations between NOX and ferroptosis, based on energy metabolism, are preliminarily discussed. Further discoveries of these mechanisms might promote the development of novel therapeutic drugs targeting NOX and their crosstalk with energy metabolism, potentially offering efficient management strategies for CVD.
Insights
Oxidative stress from reactive oxygen species (ROS) and impaired energy metabolism contribute to cardiovascular diseases (CVD), particularly with metabolic disorders. Targeting NADPH oxidases (NOX) may offer new therapeutic strategies.
Area of Science:
- Biochemistry
- Cardiovascular Research
- Metabolic Disorders
Background:
- Reactive oxygen species (ROS) and antioxidant imbalance are linked to cardiovascular diseases (CVD), exacerbated by metabolic conditions like diabetes and hypercholesterolemia.
- NADPH oxidases (NOX) are key sources of ROS, influencing redox signaling in physiological and pathological cardiovascular processes such as fibrosis and hypertrophy.
- Mitochondria increase protein and energy production under stress, correlating with elevated superoxide radicals, highlighting a role in pathological states.
Purpose of the Study:
- To review the interplay between oxidative stress and energy metabolism in CVD, especially in the context of metabolic disorders.
- To elucidate the mechanisms underlying the increased incidence of CVD in individuals with metabolic disorders.
- To explore the relationship between NOX, energy metabolism, and ferroptosis in CVD.
Main Methods:
- Literature review integrating recent data on oxidative stress, energy metabolism, and NOX in CVD.
- Analysis of NOX-mediated modulatory mechanisms in maintaining energy homeostasis during pathological conditions.
- Preliminary discussion on the correlation between NOX, energy metabolism, and ferroptosis.
Main Results:
- Sustained ROS production and imbalanced antioxidant systems are implicated in CVD development, particularly with metabolic disorders.
- NOX enzymes are significant contributors to ROS, mediating redox signaling in cardiovascular pathophysiology.
- NOX4 plays a crucial role in modulating energy metabolism homeostasis under pathological stress.
Conclusions:
- Understanding the interaction between oxidative stress and energy metabolism is vital for explaining CVD incidence in metabolic disorders.
- Further research into NOX and energy metabolism crosstalk, including ferroptosis, could lead to novel therapeutic targets.
- Targeting NOX pathways offers potential for developing effective management strategies for CVD.
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