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flag High-fat diets may trigger liver cancer by turning mature liver cells into stem-like cells, MIT study finds.

flag A new MIT study finds that high-fat diets increase liver cancer risk by reprogramming mature liver cells to revert to an immature, stem-cell-like state, helping them survive metabolic stress but raising cancer susceptibility. flag Using single-cell RNA sequencing in mice, researchers observed that these cells suppress normal liver function genes while activating survival and growth genes, mimicking early stages of liver disease. flag Key transcription factors driving this change, including those linked to thyroid hormone signaling, are potential targets for preventive therapies. flag One related drug is already approved for severe fatty liver disease, and another is in clinical trials. flag The findings show how chronic dietary stress can alter liver cell identity and promote cancer development.

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