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MIT Study: Cysteine Boosts Intestinal Regeneration After Cancer Treatment

10/12/2025

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Summary

Story summary

A Massachusetts Institute of Technology (MIT) study finds that a diet high in cysteine may boost regeneration of the small intestine after radiation or chemotherapy.
Cysteine activates CD8 T cells, which then produce IL-22, a cytokine essential for intestinal stem cell regeneration.
The study was published on October 1, 2025.
Mouse experiments indicate the approach could repair cancer-treatment damage and justify further study of cysteine's effects on other tissues.

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Story summary

A Massachusetts Institute of Technology (MIT) study finds that a diet high in cysteine may boost regeneration of the small intestine after radiation or chemotherapy.
Cysteine activates CD8 T cells, which then produce IL-22, a cytokine essential for intestinal stem cell regeneration.
The study was published on October 1, 2025.
Mouse experiments indicate the approach could repair cancer-treatment damage and justify further study of cysteine's effects on other tissues.