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Gene Mutation Responsible for Hypoglycemia May be Cured with Cancer Drug

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2011-10-07 11:15

A gene mutation responsible for a severe type of hypoglycemia may be cured with a cancer drug that is targeted for a nearly identical gene. Researchers report in this week’s journal Science the discovery of why some patients suffer from severe hypoglycemia and how it may be cured.

Hypoglycemia is killer of patients with diabetes. Typically, hypoglycemia results when an excessive amount of insulin is circulating in the bloodstream causing rapid depletion of blood sugar needed for brain and other organ activity. This overproduction of insulin is life-threatening and can cause confusion, seizures and loss of consciousness.

However, in some cases, a severe form of hypoglycemia results that is not due to an overproduction of insulin. In approximately one out of every 100,000 births an infant presents with hypoglycemia of unknown origin. Recently, scientists at the Institute of Metabolic Science and the Wellcome Trust Sanger Institute in collaboration with medical specialists in Cambridge, London and Paris have found a genetic mutation in a shared gene with three unrelated children born with severe hypoglycemia. None of the children’s parents have hypoglycemia.

According to a statement attributed to Dr. Robert Semple, a Wellcome Trust Scientist at the Institute of Metabolic Science at the University of Cambridge, “Fear of low blood sugar has dominated the lives of these patients and their families, and for many years the lack of an obvious cause has added to their anxiety. Offering families an explanation for a rare disease is usually of great value to them in its own right, but in this case it is particularly exciting that our findings open the door for a new and specific treatment in the future.”

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