Victor Ambros and Gary Ruvkun were awarded the 2024 Nobel prize in physiology or medicine for their discovery of microRNA, tiny biological molecules that tell the cells in our body what kind of cell to be by turning on and off certain genes.

In this episode, we speak to Ambros, who is professor of natural sciences at UMass Chan Medical School in the US, about the discovery that led to his Nobel prize and find out what he’s researching now. And we hear from Justin Stebbing, professor of biomedical sciences at Anglia Ruskin University in the UK, about how a deeper understanding of microRNA is opening up new avenues for potential treatment of diseases such as cancer.

This episode was produced by Gemma Ware, Katie Flood and Mend Mariwany. Sound design was by Michelle Macklem and our theme music is by Neeta Sarl. Full credits for this episode are available. Sign up here for a free daily newsletter from The Conversation.

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Further reading:MicroRNA − a new Nobel laureate describes the scientific process of discovering these tiny molecules that turn genes on and offMicroRNA is the Nobel-winning master regulator of the genome – researchers are learning to treat disease by harnessing how it controls genesNobel prize in medicine awarded for discovery of microRNAs, the molecules that control our genesFull coverage of the 2024 Nobel prizes on The Conversation

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