Publications by authors named "Ana Paula R Sierra"
Athletes with higher VOmax present reduced oxLDL after a marathon race.
BMJ Open Sport Exerc Med
July 2015
Background: During a session of prolonged and exhaustive exercise, such as a marathon race, large quantities of free radicals are produced and can oxidise (ox) several molecules, such as low-density lipoprotein (LDL). To prevent oxidative damage, athletes present higher antioxidant levels. However, the effect of marathon running on the natural IgM or IgG anti-oxLDL autoantibodies is not understood.
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- The study investigates how marathon running affects the balance of hormones and immune responses in athletes compared to sedentary individuals.
- The research involved 20 male marathon runners and 20 sedentary males, analyzing their serum levels of hormones and cytokines at different points: at rest, right after a marathon, and 72 hours post-race.
- Findings indicated that marathon runners had higher levels of growth hormone and certain cytokines, suggesting they have adaptations that prepare their bodies for intense physical activity, although some levels normalized after recovery.