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UC Davis study deflates notion that pear-shaped bodies more healthy than apples
Date:1/10/2013

The UC Davis team found that in individuals with early metabolic syndrome, gluteal fat secreted elevated levels of chemerin and low levels of omentin-1 proteins that correlate with other factors known to increase the risk for heart disease and diabetes. High chemerin levels, for example, correlated with high blood pressure, elevated levels of C-reactive protein (a sign of inflammation) and triglycerides, insulin resistance, and low levels of HDL cholesterol. Low omentin-1 levels correlated with high levels of triglycerides and blood glucose levels and low levels of HDL cholesterol.

"High chemerin levels correlated with four of the five characteristics of metabolic syndrome and may be a promising biomarker for metabolic syndrome," said Jialal. "As it's also an indicator of inflammation and insulin resistance, it could also emerge as part of a biomarker panel to define high-risk obesity states. The good news is that with weight loss, you can reduce chemerin levels along with the risk for metabolic syndrome."

To conduct the study, Jialal and colleagues recruited 45 patients with early metabolic syndrome defined as having at least three risk factors for metabolic syndrome including central obesity, hypertension, mild increases in glucose levels not yet in the diabetic range (<126 mg/dl), hyperlipidemia without cardiovascular disease or diabetes. A control group of 30 subjects had less than two risk factors for metabolic syndrome, with normal glucose and triglyceride levels. Both groups were matched for gender and age.

Complete blood counts, lipid profiles and blood glucose, blood pressure and C-reactive protein levels were measured in all participants. Levels of four proteins secreted by adipose tissue chemerin, resistin, visfatin and omentin-1 were also measured in plasma and in subcutaneous fat samples from gluteal tissue.

The researchers found that chemerin levels were increased and omentin-1 levels were decreased in bot
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Contact: Carole Gan
carole.gan@ucdmc.ucdavis.edu
916-734-9047
University of California - Davis Health System
Source:Eurekalert

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