2 New LDL cholesterol genes found

Feb 8, 2008

Genes affect levels of LDL "Bad" cholesterol, study shows.

An international team of scientists today announced its discovery of two genes that affect LDL ("bad") cholesterol levels.

Those genes might make good targets for new drugs that lower LDL cholesterol, the researchers report.

Meanwhile, here's what you can do about your cholesterol while scientists put together pieces of the puzzle:



  • See where you stand. If you don't know your cholesterol levels, all it takes is a simple blood test.
  • Learn the goals. Ideally, total cholesterol should be below 200 mg/dL, LDL cholesterol below 100 mg/dL, and HDL ("good") cholesterol 60 mg/dL and above.
  • Make a plan. A healthy diet, an active lifestyle, and medications (if needed) can make a big difference in your cholesterol levels. Talk to your doctor to interpret and improve your cholesterol numbers.
LDL Cholesterol Genes
The new cholesterol genes were found by researchers. They studied DNA from more than 11,600 people in five studies. Two neighboring locations on a certain chromosome (chromosome 1p13.3) were linked to LDL cholesterol levels.

One of those locations is close to the PSRC1 gene. The other is close to the CELSR2 gene. Neither has been linked to lipid levels before.

That same stretch of chromosome 1p13.3 affects the odds of developing coronary artery disease.

But if your LDL cholesterol is too high, don't blame it just on those two genes.

Many genes are involved in LDL cholesterol. The two newfound genes only account for about 1% of the variation in LDL levels among study participants. And cholesterol isn't just about genes; diet and exercise also make a difference. Researcher team only had access to DNA samples from people of European descent. More diverse studies are needed.

Source: webmd.com



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