Health and Medical News and Resources

General interest items edited by Janice Flahiff

[Press release] Gut Bacteria Byproduct Linked to Chronic Kidney Disease for the First Time

From the 29 January 2015 Cleveland Clinic press release

TMAO Found To Be A Contributing Factor To Development Of Chronic Kidney Disease And Associated Mortality Risk

Thursday, January 29th

Cleveland Clinic researchers have, for the first time, linked trimethylamine N-oxide (TMAO) – a gut metabolite formed during the digestion of egg-, red meat- or dairy-derived nutrients choline and carnitine – to chronic kidney disease.

TMAO has been linked to heart disease already, with blood levels shown to be a powerful tool for predicting future heart attacks, stroke and death. TMAO forms in the gut during digestion of choline and carnitine, nutrients that are abundant in animal products such as red meat and liver. Choline is also abundant in egg yolk and high-fat dairy products.

The research team was led by Stanley Hazen, MD, PhD, Chair of the Department of Cellular & Molecular Medicine for the Lerner Research Institute and section head of Preventive Cardiology & Rehabilitation in the Miller Family Heart and Vascular Institute at Cleveland Clinic, and W.H. Wilson Tang, MD, Department of Cardiovascular Medicine in the Miller Family Heart and Vascular Institute and Lerner Research Institute. The research will be published online on January 29th and in the January 30th print edition of Circulation Research .

According to the Centers for Disease Control and Prevention, more that 20 million Americans are estimated to have chronic kidney disease, many of whom are undiagnosed. It is caused by a gradual loss of kidney function over time. As the disease worsens, waste products can accumulate in the blood and can be fatal without interventions. It has long been known that patients with chronic kidney disease are at an increased risk for cardiovascular disease, but the exact mechanisms linking the two diseases are not known. This newly discovered TMAO link offers further insight into the relationship between cardiovascular disease and chronic kidney disease.

 

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February 2, 2015 - Posted by | Medical and Health Research News | , , , , , , ,

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