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Hans Christian Hagedorn

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Hans Christian Hagedorn (1888-1971)

Hans Christian Hagedorn (6 March 1888 – 6 October 1971) was the creator of NPH insulin and the founder of Nordisk Insulinlaboratorium, which is known today as Novo Nordisk.

Early life and education

Hagedorn was born in Copenhagen. His father was the captain of a coaster adapted for use as a folk high school ship where aspiring sailors received training in navigation as well as other subjects. Hagedorn attended Hesselager Latin School on Funen. In 1916, he began to study medicine at the University of Copenhagen. During his studies, he worked as an assistant for Carl Julius Salomonsen. He also assisted Christian Bohr.

Career

Hagedorn and August Krogh (1874–1949) obtained the rights for insulin from Frederick Banting and Charles Best of Toronto. In 1923 they formed Nordisk Insulinlaboratorium, and in 1926 with August Krogh he obtained a Danish royal charter as a non-profit foundation.

In the 1930s he became interested in modifying the absorption rate of insulin. He was aware that contaminating proteins slowed the absorption of insulin into the bloodstream, but these caused irritation and side effects. Thus he searched for a protein that would not cause any irritation. He came upon protamine, a protein isolated from fish sperm. Hagedorn discovered that the addition of protamine to insulin caused the insulin to form microscopic clumps. These clumps took longer to dissolve into the bloodstream. This complex of protamine and insulin is known as NPH (neutral protamine Hagedorn) insulin. It is one of the earliest example of engineering drug delivery.

Legacy

The Hagedorn Prize

The Hagedorn Prize, named after Hans Christian Hagedorn, celebrates achievements in the understanding and treatment of diabetes. Hagedorn's work significantly advanced the quality of insulin production and diabetes care, making this award a tribute to his legacy in the field. The Hagedorn Prize is recognised as the most prestigious award in Internal Medicine in Denmark.

References

  1. "Sømandsbarnet der knækkede sukkersygen". sn.dk (in Danish). Retrieved 16 June 2022.
  2. T. Deckert (August 27, 2007). "Hans Christian Hagedorn (1888-1971)". Ugeskrift for Lægerer. 169 (35): 2883. PMID 17877991.
  3. "The Hagedorn Prize". Novo Nordisk Fonden. Retrieved 2024-04-09.
  4. "The Hagedorn Medal and Prize". Research Explorer The University of Manchester. Retrieved 2024-04-09.
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