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New compound reverses fatty liver disease

Date:
December 19, 2012
Source:
Scripps Research Institute
Summary:
Scientists have developed the first synthetic compound that can reverse the effects of a serious metabolic condition known as fatty liver disease.

Scientists from the Florida campus of The Scripps Research Institute (TSRI) have developed the first synthetic compound that can reverse the effects of a serious metabolic condition known as fatty liver disease. True to its name, the disease involves an abnormal buildup of fat in the liver.

The compound -- known as SR9238 -- is the first to effectively suppress lipid or fat production in the liver, eliminating inflammation and reversing fat accumulation in animal models of fatty liver disease. The new compound also significantly lowered total cholesterol levels, although precisely how that occurred remains something of a mystery.

"We've been working on a pair of natural proteins called LXRα and LXRβ that stimulate fat production in the liver, and we thought our compound might be able to successfully suppress this process," said Thomas Burris, a professor at TSRI who led the study, which was recently published in an online edition of the journal ACS Chemical Biology. "Once the animals were put on the drug, we were able to reverse the disease after a single month with no adverse side effects -- while they ate a high-fat diet."

Fatty liver, which often accompanies obesity and type 2 diabetes, frequently leads to more serious conditions including cirrhosis and liver cancer. The condition affects some 10 to 24 percent of the general population, according to a 2003 study in GUT, an international journal of gastroenterology and hepatology.

Burris and his colleagues designed SR9238 so that it would be quickly metabolized in the liver to minimize migration of the drug into the bloodstream, which could lead to side effects.

In the study, mice were fed a high-fat diet for 14 weeks prior to treatment with SR9238. After one month of treatment, the scientists found that the liver's fat-producing genes were repressed and fat expression in the liver was reduced up to 90 percent.

In addition, the scientists observed an 80 percent reduction of the enzyme responsible for producing cholesterol (3-Hydroxy-3-methylglutaryl coenzyme A Reductase) -- the same enzyme targeted by statins.

Markers for liver damage were down as well, which suggests the compound may also have the potential to treat alcohol-related fatty liver damage.


Story Source:

The above story is based on materials provided by Scripps Research Institute. Note: Materials may be edited for content and length.


Journal Reference:

  1. Kristine Griffett, Laura A. Solt, Bahaa El-Dien M. El-Gendy, Theodore M. Kamenecka, Thomas P. Burris. A Liver Selective LXR Inverse Agonist that Suppresses Hepatic Steatosis. ACS Chemical Biology, 2012; 121213105008001 DOI: 10.1021/cb300541g

Cite This Page:

Scripps Research Institute. "New compound reverses fatty liver disease." ScienceDaily. ScienceDaily, 19 December 2012. <www.sciencedaily.com/releases/2012/12/121219152703.htm>.
Scripps Research Institute. (2012, December 19). New compound reverses fatty liver disease. ScienceDaily. Retrieved April 16, 2014 from www.sciencedaily.com/releases/2012/12/121219152703.htm
Scripps Research Institute. "New compound reverses fatty liver disease." ScienceDaily. www.sciencedaily.com/releases/2012/12/121219152703.htm (accessed April 16, 2014).

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