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Diabetes drug reduces risk of heart attacks, strokes from air pollution - study

Last update: 12/10/2018
CHICAGO, Oct 12 (Bernama) -- A common, safe and inexpensive drug for Type 2 diabetes, metformin, decreases the risk of heart attacks and strokes caused by air pollution by reducing inflammation in the lungs that triggers clotting, according to a new Northwestern Medicine study.

In the study published Thursday in Cell Press, a paediatric formulation of metformin was given to mice in their drinking water for three days, reported Xinhua news agency. It was an equivalent concentration to the dose people take for diabetes.

The mice were exposed to air pollution in a specially designed chamber that concentrates the particles. When the mice were exposed to air pollution in the laboratory, their macrophages released an inflammatory molecule called IL-6, which has been linked to heart attacks and strokes.

Metformin prevented the release of IL-6 and reduced the speed at which clots formed after an injury. The same findings were seen in lung macrophages from humans.

Three years ago, Northwestern University (NU) professor of Medicine and Cell Biology and his colleagues found that metformin inhibits cancer progression. They also discovered that metformin slows mitochondrial metabolism to prevent the growth of cancer.....


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