May 4, 2024

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Imagination at work

Nobel Prize in Medicine Awarded to David Julius and Ardem Patapoutian

The Nobel Prize in Physiology or Medicine was jointly awarded to David Julius and Ardem Patapoutian for their work on how the human body senses temperature, contact and motion.

The Nobel Assembly stated Monday that the scientists’ discoveries had unlocked just one of the secrets of mother nature by describing the molecular basis for sensing warmth, cold and mechanical power. It added that the duo’s work had also laid the groundwork for research into therapies for a vary of diseases together with continual pain.

Dr. Julius was born in 1955 in New York and is now a professor at the College of California, San Francisco. Dr. Patapoutian was born in 1967 in Beirut. He moved to the U.S. in his youth and is at this time a professor at Scripps Study, La Jolla, Calif.

In the late nineties, Dr. Julius applied capsaicin, a compound that will cause the burning sensation from chili peppers, to recognize a sensor in nerve endings of the skin that responds to warmth. In separate research, Dr. Patapoutian later on applied tension-delicate cells to discover new sensors that answer to contact in the skin and interior organs.

The two the scientists’ work associated figuring out the particular genes associated in possibly warmth or contact. By figuring out what all those genes did in cells, they identified the molecular basis for the sensations of warmth or contact.

Dr. Julius identified that the gene that will allow the body to feeling capsaicin instructs nerve cells to make a so-named ion channel that opens up in response to warmth, enabling electrically charged particles named ions to flood in and send out a pain concept to the brain. That receptor was later on named TRPV1.

That work paved the way for even more research, working with menthol, to recognize a receptor, named TRPM8, that is activated by cold. The two winners carried out this research independently of just one an additional.

Dr. Patapoutian’s later on work on contact uncovered two ion channels, named Piezo1 and Piezo2, that open up in response to tension. He later on showed that Piezo2 performed a key part in how the body senses its position and motion.

Write to Denise Roland at [email protected]

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