DOI: 10.1101/452946Oct 25, 2018Paper

ILEX PARAGUARIENSIS, EXERCISE AND CARDIOPROTECTION: A retrospective analysis

BioRxiv : the Preprint Server for Biology
Fábio CahuêVerônica P Salerno

Abstract

Studies on strategies to generate cardioprotective effects have been on the rise. Previous work by our group with an ex vivo model of ischemia/reperfusion has shown that both the short-term consumption of yerba mate and exercise can each induce protection of cardiac function independently. Surprising, the two strategies together do not, with an apparent loss of their respective cardioprotection activity. To improve our understanding of the mechanisms involved without reperforming the experiments, we have conducted a retrospective data science-analysis that have produced new insights. The analysis shows that yerba mate generated reductive stress. Alone, this stress increased redox damage in the heart that appears to have led to a protective conditioning. In combination with exercise, the effects of mate inhibited the intermittent ROS generation promoted by exercise alone, which diminished the adaptive response in the heart. These results suggest that an understanding of the molecular mechanisms involved with the yerba mate-promoted reductive stress in cardiac tissue could lead to improved strategies to induce cardioprotection.

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