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Study uncovers mechanism for how grapes reduce heart failure associated with hypertension
Date:5/2/2013

es showed that grapes could protect against the downward spiral of hypertensive heart failure, but just how that was accomplished the mechanism was not yet known," said lead investigator E. Mitchell Seymour, Ph.D. "The insights gained from our NIH study, including the ability of grapes to influence several genetic pathways related to antioxidant defense, provide further evidence that grapes work on multiple levels to deliver their beneficial effects."

Seymour noted that the next phase of the NIH study, which will continue into 2014, will allow his team to further define the mechanisms of grape action, and also look at the impact of whole grape intake compared to individual grape phytonutrients on hypertension-associated heart failure.

"Our hypothesis is that whole grapes will be superior to any individual grape component, in each of the areas being investigated," said Dr. Seymour. "The whole fruit contains hundreds of individual components, which we suspect likely work together to provide a synergistic beneficial effect."

The insights gained from this research will further the knowledge on grapes and heart health, but will also provide translational information on the value of dietary (whole foods) and dietary supplement approaches for prevention of heart disease stemming from chronic hypertension.

"The NIH grant is allowing the team at the University of Michigan Medical System to expand its work in this important area and further highlight the multi-faceted role of grapes in supporting heart health," said Kathleen Nave, president of the California Table Grape Commission. "This work will also provide key insights into the role of whole fruit versus individual components of a fruit, using grapes as the benchmark."


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Contact: Justin Harris
juaha@umich.edu
734-764-2220
University of Michigan Health System
Source:Eurekalert

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