Glucose counterregulatory responses to hypoglycemia

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The brain relies almost exclusively on glucose for fuel. Therefore, adequate uptake of glucose from the plasma is key for normal brain function and survival. Despite wide variations in glucose flux (i.e. fed state, fasting state, etc), blood glucose is maintained in a very narrow range. This is accomplished by a series of hormonal and physiologic responses. As a result, hypoglycemia is a rare occurrence in normal individuals. However, glucose counterregulatory responses are altered in patients with diabetes treated with insulin especially after repeated hypoglycemia or antecedent exercise.

Original languageEnglish
Pages (from-to)463-473
Number of pages11
JournalPediatric Endocrinology Reviews
Issue number1
StatePublished - Sep 2011


  • Counterregulation
  • Hypoglycemia


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