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Nuclear Receptor Nur77: A Key Factor and Potential Therapeutic Target in the Aging Regulatory Network
Feng Chen1, Zhiheng Xu2, Xue Bai3
1Department of Comprehensive Ward, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, China.
Abstract:
Aging is a complex process marked by the gradual functional decline of an organism. It involves imbalances in cellular homeostasis and decreased organ regenerative capacity, causing a significant increase in chronic diseases and mortality. Aging involves a cascade of molecular events such as genomic instability, epigenetic remodeling, and metabolic dysfunction. Targeting key molecular nodes can effectively delay aging and age-related disease progression. Nur77, an NR4A nuclear receptor, is key to stress response, energy sensing, and inflammation regulation. This molecule assists in maintaining stem cell homeostasis, repairing mitochondrial dysfunction, and regulating autophagy and protein quality control, which are core aging events. However, a systematic analysis of the regulatory roles and synergistic effects of Nur77 within the aging network remains lacking. This review comprehensively describes the structure and function of Nur77, explores its role in age-related mechanisms and diseases, and discusses its potential as a diagnostic and therapeutic target. These insights support the development of novel anti-aging strategies based on the Nur77 signaling pathway.
Insights
Aging involves cellular decline, but the Nur77 protein shows promise in regulating key aging processes. Targeting Nur77 may offer new strategies to delay aging and combat age-related diseases.
Area of Science:
- Gerontology
- Molecular Biology
- Cellular Biology
Background:
- Aging is characterized by functional decline, disrupted homeostasis, and reduced regeneration.
- Molecular events like genomic instability and metabolic dysfunction drive aging and age-related diseases.
- Targeting key molecular pathways offers potential to slow aging and disease progression.
Purpose of the Study:
- To systematically analyze the regulatory roles of Nur77 in aging.
- To explore Nur77's function in age-related mechanisms and diseases.
- To discuss Nur77's potential as a diagnostic and therapeutic target for aging.
Main Methods:
- Comprehensive literature review on Nur77 structure and function.
- Analysis of Nur77's involvement in cellular homeostasis, mitochondrial function, autophagy, and protein quality control.
- Exploration of Nur77's role in age-related diseases.
Main Results:
- Nur77 (an NR4A nuclear receptor) is crucial for stress response, energy sensing, and inflammation.
- Nur77 plays a role in maintaining stem cell homeostasis and repairing mitochondrial damage.
- Nur77 regulates autophagy and protein quality control, key processes in aging.
Conclusions:
- Nur77 is a significant regulator of core aging mechanisms.
- Targeting the Nur77 signaling pathway presents a promising avenue for developing novel anti-aging strategies.
- Further research into Nur77's synergistic effects could unlock new therapeutic potentials for age-related conditions.
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