Decrease in inflammatory biomarker concentration by intervention with selenium and coenzyme Q10: a subanalysis of...

Area of Science:

• Biochemistry
• Gerontology
• Immunology

Background:

• Inflammation is a key factor in numerous diseases.
• Selenium and coenzyme Q10 supplementation has shown promise in reducing cardiovascular mortality and improving cardiac function in older adults, particularly those with low selenium intake.
• Evidence suggests a reduction in inflammation may underlie these positive effects.

Purpose of the Study:

• To investigate the impact of selenium and coenzyme Q10 supplementation on specific inflammation biomarkers in community-living elderly individuals.
• To explore the potential anti-inflammatory mechanisms associated with selenium and coenzyme Q10 intervention.

Main Methods:

• Plasma levels of osteopontin, osteoprotegerin, sTNF receptor 1, sTNF receptor 2, and TWEAK were measured after 6 and 42 months.
• The study involved 219 elderly participants, with 119 receiving selenium (200 μg/day) and coenzyme Q10 (200 mg/day) supplements, and 101 receiving a placebo.
• Statistical analysis included repeated measures of variance and ANCOVA with covariate adjustments.

Main Results:

• Supplementation with selenium and coenzyme Q10 led to significantly lower concentrations of four out of five inflammation biomarkers.
• Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) did not show significant changes.
• These results indicate a substantial effect of the intervention on the inflammatory system.

Conclusions:

• Selenium and coenzyme Q10 supplementation demonstrated a significant reduction in key inflammation biomarkers in elderly individuals.
• This anti-inflammatory effect is a likely mechanism contributing to the previously reported clinical benefits, including reduced cardiovascular morbidity and mortality.
• While the study is small and hypothesis-generating, it provides valuable insights into the mechanisms underlying improved health outcomes associated with selenium and coenzyme Q10 supplementation.