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High-fructose corn syrup enhances intestinal tumor growth in mice

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Science  22 Mar 2019:
Vol. 363, Issue 6433, pp. 1345-1349
DOI: 10.1126/science.aat8515

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A sweetener's not-so-sweet effects

Obesity increases an individual's risk of developing many types of cancer, including colorectal cancer. One of the factors driving the rise in obesity rates is thought to be the use of high-fructose corn syrup (HFCS) as a sweetener in soft drinks. Goncalves et al. found that ingestion of HFCS promotes the growth of intestinal cancer even in the absence of obesity in mouse tumor models. An enzyme in tumors (ketohexokinase) converts fructose to fructose-1-phosphate, which alters tumor cell metabolism and leads to enhanced cell growth. Whether a similar process occurs in humans remains to be seen.

Science, this issue p. 1345

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