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The discovery of microRNA wins the 2024 physiology Nobel Prize

MicroRNA plays a key role in gene regulation

A sketch of 2024 Nobel prize winners Victor Ambros and Gary Ruvkun.

Victor Ambros (left) and Gary Ruvkun (right) won the 2024 Nobel Prize in physiology or medicine for the discovery of microRNA and its role in gene regulation.

Niklas Elmehed, © Nobel Prize Outreach

By Tina Hesman Saey and Sophie Hartley

Updated

An unexpected discovery about what made a tiny worm refuse to grow up has now led to the 2024 Nobel Prize in physiology or medicine.