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Grape ingredient resveratrol increases beneficial fat hormone

Date:
January 10, 2011
Source:
University of Texas Health Science Center at San Antonio
Summary:
Researchers have identified a novel way in which resveratrol, a substance in grapes, exerts positive health effects.

Resveratrol, a compound in grapes, displays antioxidant and other positive properties.
Credit: USDA

Resveratrol, a compound in grapes, displays antioxidant and other positive properties. In a study published this week, researchers at the UT Health Science Center San Antonio describe a novel way in which resveratrol exerts these beneficial health effects.

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Resveratrol stimulates the expression of adiponectin, a hormone derived from cells that manufacture and store fat, the team found. Adiponectin has a wide range of beneficial effects on obesity-related medical complications, said senior author Feng Liu, Ph.D., professor of pharmacology and member of the Barshop Institute of Longevity and Aging Studies at the Health Science Center.

Both adiponectin and resveratrol display anti-obesity, anti-insulin resistance and anti-aging properties.

"Results from these studies should be of interest to those who are obese, diabetic and growing older," Dr. Liu said. "The findings should also provide important information on the development of novel therapeutic drugs for the treatment of these diseases."

The researchers confirmed the finding in cells and animal models. The study is in the Jan. 7 issue of the Journal of Biological Chemistry.

Previous studies

In July 2009 in the journal Nature, the Barshop Institute and collaborators reported that the compound rapamycin extended life in mice. Rapamycin, like resveratrol, is under scrutiny for its beneficial health effects.

In 2010, Dr. Liu and colleagues announced that resveratrol inhibits activity of the mammalian target of rapamycin (mTOR).


Story Source:

The above story is based on materials provided by University of Texas Health Science Center at San Antonio. Note: Materials may be edited for content and length.


Journal Reference:

  1. A. Wang, M. Liu, X. Liu, L. Q. Dong, R. D. Glickman, T. J. Slaga, Z. Zhou, F. Liu. Up-regulation of Adiponectin by Resveratrol: THE ESSENTIAL ROLES OF THE Akt/FOXO1 AND AMP-ACTIVATED PROTEIN KINASE SIGNALING PATHWAYS AND DsbA-L. Journal of Biological Chemistry, 2010; 286 (1): 60 DOI: 10.1074/jbc.M110.188144

Cite This Page:

University of Texas Health Science Center at San Antonio. "Grape ingredient resveratrol increases beneficial fat hormone." ScienceDaily. ScienceDaily, 10 January 2011. <www.sciencedaily.com/releases/2011/01/110107150600.htm>.
University of Texas Health Science Center at San Antonio. (2011, January 10). Grape ingredient resveratrol increases beneficial fat hormone. ScienceDaily. Retrieved November 28, 2014 from www.sciencedaily.com/releases/2011/01/110107150600.htm
University of Texas Health Science Center at San Antonio. "Grape ingredient resveratrol increases beneficial fat hormone." ScienceDaily. www.sciencedaily.com/releases/2011/01/110107150600.htm (accessed November 28, 2014).

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