Single faulty gene causes major type 2 diabetes symptom in mice

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New research from the US reported in the journal Diabetes, shows that the loss of just one gene in mice is enough to cause fasting hyperglycemia - a major symptom of type 2 diabetes.

In their paper, researchers from the College of Medicine at the University of Illinois at Chicago (UIC) explain how malfunctions in insulin-producing pancreatic beta cells is a common feature of type 2 diabetes.

Lead author Bellur S. Prabhakar, professor and head of microbiology and immunology at UIC, says they found that when a gene called MADD is not working properly, insulin is not released into the bloodstream. Lack of insulin means the body is unable to regulate blood sugar or glucose - a major feature of diabetes.

About 8% of Americans and more than 360 million people around the world have type 2 diabetes, a disease that in turn can lead to more serious conditions like cardiovascular disease, kidney failure, blindness, and loss of limbs.

In healthy people without diabetes, the beta cells of the pancreas release insulin into the bloodstream to help regulate blood sugar levels which rise after eating.

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Single faulty gene causes major type 2 diabetes symptom in mice