Common Sugar Under Scrutiny as Study Finds Possible Role for Fructose in Ovarian Cancer Spread
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A new study led by researchers at The Wistar Institute has identified an unexpected role for fructose in the spread of high-grade serous ovarian cancer, finding that the sugar can act as a metabolic signal that helps some cancer cells detach and disseminate. The research was published in Nature Aging in July 2026.
Researchers found that some cancer cells surviving platinum-based chemotherapy may stop dividing but remain biologically active, releasing substances that affect nearby tumor cells. Fructose was identified as one of the metabolic components of this secretory process and was linked to increased detachment of neighboring cancer cells.
The study showed that the process involves metabolic changes that reduce cholesterol in the plasma membrane of neighboring cancer cells, weakening cell-to-cell adhesion and making it easier for the cells to detach — an important step in ovarian cancer dissemination.
Experiments in mice also found that a high-fructose diet increased the dissemination of high-grade serous ovarian cancer cells, raising new questions about how diet and metabolism may influence the tumor environment and cancer progression.
The researchers stressed, however, that the findings remain preclinical. Limiting dietary fructose has not yet been tested as an intervention in ovarian cancer patients, and the study does not establish that consuming fructose causes cancer or support patients changing their diet or treatment on the basis of these findings alone.
The findings open a new area of research into how nutrients and metabolic processes within the tumor environment may influence cancer behavior and whether these pathways could eventually provide new approaches to limiting metastatic spread.
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Tahani Elghazaly5220 Posts
