JDRF - Juvenile Diabetes Research Foundation

Australian scientists prevent onset of type 1 diabetes by making immune cells tolerate insulin-producing cells.

JDRF-funded researchers Ms Eliana Mariño and Dr Shane Grey have demonstrated the cells of the human immune system can be manipulated to prevent type 1 diabetes.

The body’s immune cells, or white blood cells, include B cells and T cells. B cells make antibodies and present ‘antigens’ to T cells, allowing them to recognise and kill invaders.

Previous research by the authors has showed that groups of B cells migrate to the pancreas and pancreatic lymph nodes and tell T cells to kill the cells that produce insulin.

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A JDRF trial shows that continuous glucose monitor (CGM) devices help to maintain tight blood sugar levels whilst lowering the risk of dangerously low blood sugar.

There is extensive research to show that tight blood glucose control is the best way to prevent the onset of type 1 diabetes complications such as kidney failure, retinopathy and heart disease. According to results from the Diabetes Complications and Control Trial, every one point reduction in HbA1C reduces the risk of long-term complications by approximately 40%.

Unfortunately, research has also shown that one of the hurdles to tight blood sugar control is the risk of hypoglycemia – both real and perceived.

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