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Insulin Facts

A hormone secreted by the pancreas that assists the body in the utilization and synthesis of glucose

  • Insulin regulation is a function of the endocrine system.
  • Insulin is comprised of two peptide chains that contain fifty-one amino acids.
  • Insulin was identified as a substance in the pancreas in 1869 by German medical student Paul Langerhans.
  • The first insulin injection given to successfully treat a diabetic was administered in 1922 in Toronto.
  • Type 1 Diabetes patients produce inadequate amounts of insulin, so insulin replacement is their key treatment.
  • Type 2 Diabetes patients have the problem of increasing resistance of cells to the effects of insulin.
  • Insulin is a natural substance and is not addictive.
  • Frederick Banting and J.J.R. Macleod won the 1923 Nobel Prize in Physiology or Medicine for the discovery of insulin.
  • The patent for insulin was sold to the University of Toronto for one half-dollar.
  • He was awarded the 1958 Nobel Prize in Chemistry for the discovery of primary structure of insulin.
  • Rosalyn Sussman Yalow received the 1977 Nobel Prize in Medicine for the development of the radioimmunoassay for insulin.
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