Reactive Oxygen Species: Drivers of Physiological and Pathological Processes
1Immune-Inflammatory Processes and Gene Therapeutics Group, IDIBELL, Hospital Duran i Reynals, L'Hospitalet de Llobregat, Barcelona 08907, Spain.
Journal of Inflammation Research
|December 9, 2020
Summary
Reactive oxygen species (ROS), initially a byproduct of photosynthesis, are crucial in evolution and cell biology. While excess ROS cause damage and disease, controlled ROS levels regulate cellular functions, impacting aging and inflammation.
Area of Science:
- Biochemistry
- Cell Biology
- Evolutionary Biology
Background:
- Earth's atmosphere became oxidizing ~2.4 billion years ago due to cyanobacteria.
- Oxygen's byproduct, reactive oxygen species (ROS), are implicated in evolution and eukaryogenesis.
- ROS impact cellular components directly and indirectly, influencing cell biology.
Purpose of the Study:
- To review the dual role of ROS in physiological and pathological processes.
- To highlight ROS involvement in inflammation and aging.
- To emphasize the need for understanding ROS mechanisms for therapeutic development.
Main Methods:
- Literature review of ROS roles in cellular processes.
- Analysis of ROS signaling pathways and transcription factors.
- Exploration of ROS impact on disease and aging.
Main Results:
- ROS act as mutagens and cause oxidative damage when unchecked.
- Low-level ROS function as vital redox-signaling molecules.
- ROS regulate key cellular functions like proliferation, differentiation, migration, and apoptosis.
Conclusions:
- Understanding ROS mechanisms is key to mitigating damage in chronic diseases.
- Targeting ROS pathways may offer novel therapeutic interventions for inflammatory and age-related conditions.
- ROS play a fundamental, albeit complex, role in life's evolution and maintenance.
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