A diet rich in cysteine ​​may promote intestinal mucosal regeneration.

A new study published in the journal Nature suggests that a diet rich in the amino acid cysteine ​​may help regenerate gut lining damaged by radiation or chemotherapy.

A diet rich in cysteine ​​may promote regeneration of the gut lining – a new way to repair tissue damage caused by radiation or chemotherapy. (Source: MIT News)

A research team at the Massachusetts Institute of Technology (USA) confirmed that cysteine ​​has the strongest effect on intestinal stem cells among the 20 amino acids they tested.

Foods rich in cysteine ​​include pork, beef, fish, eggs, low-fat yogurt, cheese, oats, lentils, sunflower seeds... When absorbed, cysteine ​​is converted into CoA molecules, stimulating CD8 T immune cells to secrete IL-22, a protein that plays an important role in the regeneration of intestinal stem cells.

Additionally, the team's experiments also showed that a cysteine-rich diet reduced intestinal damage in mice treated with the chemotherapy drug 5-fluorouracil, which is often harmful to the intestinal lining.

Professor Omer Yilmaz - head of the research team emphasized: "The special point in this project is that we do not use synthetic molecules, but take advantage of natural compounds from food."

Scientists hope that if these results are confirmed in humans, a cysteine-rich diet could become an important adjunct to help cancer patients reduce side effects during treatment.

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