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Coenzyme Q10 Supplementation Modulates NFκB and Nrf2 Pathways in Exercise Training
Ragip Pala1, Cemal Orhan2, Mehmet Tuzcu3
1Department of Movement and Training Science, Faculty of Sports Sciences, Firat University , Elazig, Turkey.
Journal of Sports Science & Medicine
|March 10, 2016
Summary
Coenzyme Q10 (Q10) supplementation significantly modulated inflammatory and antioxidant markers in rats undergoing exercise training. Q10 reduced NFκB and increased IκB, Nrf2, and HO-1, suggesting anti-inflammatory and antioxidant benefits.
Area of Science:
- Biochemistry
- Exercise Physiology
- Molecular Biology
Background:
- Coenzyme Q10 (Q10) is vital for mitochondrial energy production and possesses antioxidant properties.
- Exercise training influences cellular signaling pathways, including inflammatory and antioxidant responses.
- Understanding Q10's impact on these pathways during exercise is crucial for optimizing health benefits.
Purpose of the Study:
- To investigate the effects of Q10 supplementation on NFκB, IκB, Nrf2, and HO-1 expression in rats subjected to chronic exercise training.
- To evaluate the combined impact of exercise and Q10 on key inflammatory and antioxidant markers in cardiac, hepatic, and muscular tissues.
Main Methods:
- Wistar rats were subjected to a 6-week exercise training program with or without Q10 (300 mg/kg/day) in a 2x2 factorial design.
- Protein expression levels of NFκB, IκB, Nrf2, and HO-1 were measured in heart, liver, and muscle tissues.
- Plasma biochemical parameters were analyzed.
Main Results:
- Exercise training with Q10 significantly decreased NFκB levels (45-44%) and increased IκB levels (111-179%) across tissues compared to sedentary controls.
- Q10 supplementation markedly elevated Nrf2 (90-167%) and HO-1 (107-156%) expression following exercise.
- Exercise reduced plasma triglycerides, an effect further enhanced by Q10.
Conclusions:
- Coenzyme Q10 modulates NFκB, IκB, Nrf2, and HO-1 expression in response to exercise training.
- Q10 exhibits anti-inflammatory effects and enhances antioxidant defense mechanisms during physical activity.
- These findings highlight Q10's potential role in mitigating exercise-induced inflammation and oxidative stress.
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