The Essence of Life: Nobel Prize in Medicine or Physiology 2019

Today, the Nobel Assembly at Karolinska Institutet awarded the 2019 Nobel Prize in Physiology or Medicine jointly to William G. Kaelin Jr., Sir Peter J. Ratcliffe and Gregg L. Semenza for their discoveries of how cells sense and adapt to oxygen availability.

2019 Nobel Laureates in Physiology or Medicine: William G. Kaelin Jr, Sir Peter J. Ratcliffe and Gregg L. Semenza, Copyright: Nobel Media 2019; Illustration: Niklas Elmehed

From the press release of the Karolinska Institutet:

“Animals need oxygen for the conversion of food into useful energy. The fundamental importance of oxygen has been understood for centuries, but how cells adapt to changes in levels of oxygen has long been unknown.

William G. Kaelin Jr., Sir Peter J. Ratcliffe and Gregg L. Semenza discovered how cells can sense and adapt to changing oxygen availability. They identified molecular machinery that regulates the activity of genes in response to varying levels ofoxygen.

The seminal discoveries by this year’s Nobel Laureates revealed the mechanism for one of life’s most essential adaptive processes. They established the basis for our understanding of how oxygen levels affect cellular metabolism and physiological function. Their discoveries have also paved the way for promising new strategies to fight anemia, cancer and many other diseases.”

Read more about the 2019 Nobel Prize in Physiology or Medicine.

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