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. 2025 Sep 19.
doi: 10.1038/s42255-025-01368-w. Online ahead of print.

Fructose and glucose from sugary drinks enhance colorectal cancer metastasis via SORD

Affiliations

Fructose and glucose from sugary drinks enhance colorectal cancer metastasis via SORD

Tianshi Feng et al. Nat Metab. .

Abstract

The consumption of sugar-sweetened beverages (SSBs), which contain high levels of fructose and glucose, has been causally and mechanistically linked to an increased risk of colorectal cancer (CRC). However, the effects of SSB consumption on advanced stages of disease progression, including metastasis, remain poorly understood. Here we show that exposure of CRC cells to a glucose and fructose formulation-reflecting the composition of both high-fructose corn syrup and sucrose found in SSBs-enhances cellular motility and metastatic potential compared to glucose alone. Given that CRC cells grow poorly in fructose alone, and cells in vivo are not physiologically exposed to fructose without glucose, we excluded the fructose-only condition from our studies unless needed as a control. Mechanistically, the combination of glucose and fructose elevates the NAD⁺/NADH ratio by activation of the reverse reaction of sorbitol dehydrogenase in the polyol pathway. This redox shift relieves NAD⁺ limitations and accelerates glycolytic activity, which in turn fuels activation of the mevalonate pathway, ultimately promoting CRC cell motility and metastasis. Our findings highlight the detrimental impact of SSBs on CRC progression and suggest potential dietary and therapeutic strategies to mitigate metastasis in patients with CRC.

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Conflict of interest statement

Competing interests: The authors declare no competing interests.

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