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Researchers uncover common heart drug's link to diabetes
Date:6/11/2014

Hamilton, ON (June 11, 2014) - McMaster University researchers may have found a novel way to suppress the devastating side effect of statins, one of the worlds' most widely used drugs to lower cholesterol and prevent heart disease.

The research teamled by Jonathan Schertzer, assistant professor of Biochemistry and Biomedical Sciences and Canadian Diabetes Association Scholardiscovered one of the pathways that link statins to diabetes. Their findings could lead to the next generation of statins by informing potential combination therapies while taking the drug.

Approximately 13 million people, or half of those over the age of 40, could be prescribed a statin drug in their lifetime.

"Statins are among the most prescribed drugs in the world, and have been fantastic at reducing cardiovascular events," Schertzer says. "But the side effects of statins can be far worse than not being able to eat grapefruit. Recently, an increased risk of diabetes has been added to the warning label for statin use. This was perplexing to us because if you are improving your metabolic profile with statins you should actually be decreasing the incidence of diabetes with these drugs, yet, the opposite happened."

Schertzer's group investigated further. "We found that statins activated a very specific immune response, which stopped insulin from doing its job properly. So we connected the dots and found that combining statins with another drug on top of it, Glyburide, suppressed this side effect."

He says the finding has the potential to develop new targets for this immune pathway that do not interfere with the benefits of statins.

"It's premature to say we are going to change this drug, but now that we understand one way it can cause this side effect we can develop new strategies to minimize side effects. This may even include using natural products or nutritional strategies to subvert the side effects of statins," he says.

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Contact: Veronica McGuire
vmcguir@mcmaster.ca
90-552-591-402-2169
McMaster University
Source:Eurekalert

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