What is it about?
This pilot study examined how four weeks of supervised endurance exercise affected two circulating microRNAs, miR-155 and miR-210, in healthy inactive adults. Twenty participants were divided into an exercise group and a matched sedentary control group, and changes in microRNA expression were measured before and after the intervention.
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Why is it important?
Understanding molecular responses to exercise may help explain why individuals adapt differently to the same training. The study found a significant increase in miR-155 after endurance training, while miR-210 did not change significantly. These findings suggest that selected microRNAs may provide useful information about exercise-related adaptation and recovery.
Perspectives
The results highlight the complexity of exercise-induced epigenetic responses. Rather than relying on a single biomarker, future research may benefit from examining groups of microRNAs together with fitness and body-composition measures to better understand individual responses to endurance training. Larger studies are needed to confirm these preliminary findings.
Associate Professor Fatma Hassan Abd Elbasset Mourgan
Sohar University
Read the Original
This page is a summary of: Endurance Exercise Controls the Level of Inflammatory miR-155 and Angiogenic miR-210, The Open Biotechnology Journal, August 2026, Bentham Science Publishers,
DOI: 10.2174/0118740707489383260731092313.
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