by Ava Grace, Natural News:
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- A new study demonstrates a direct biological mechanism through which sugary drinks, specifically the glucose-fructose combination in high-fructose corn syrup, can cause colorectal cancer to metastasize (spread), moving beyond the previously understood indirect link via obesity.
- The research found that this specific sugar blend dramatically increases cancer cell mobility, leading to faster spread to the liver – the most common site for colorectal cancer metastasis – thereby worsening the prognosis for those already diagnosed.
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- Scientists identified the enzyme sorbitol dehydrogenase (SORD) as the key mechanism; when activated by the sugar mix, it supercharges the cancer cells’ energy production and triggers pathways that provide the tools needed for metastasis.
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- The findings offer a plausible explanation for the alarming rise in early-onset colorectal cancer, suggesting that the ubiquity of sugary drinks in the modern Western diet is a significant contributing factor to this trend.
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- The study underscores the critical importance of diet not just for cancer prevention but also for disease progression, serving as a stark reminder that reducing consumption of sugar-sweetened beverages is a crucial, actionable step for long-term health.
In a finding that adds significant weight to public health warnings about sugar, a new study has revealed a direct biological mechanism through which sugary drinks can cause colorectal cancer to metastasize (spread throughout the body).
The peer-reviewed research published Sept. 19 in Nature Metabolism provides a sobering explanation for why diet is critical not just for prevention but also for the progression of the disease after diagnosis. The study suggests that the common combination of glucose and fructose found in many sweetened beverages actively enhances the ability of cancer cells to travel and establish new tumors, particularly in the liver.
For years, the link between sugar and cancer has been largely attributed to obesity. Excess weight is a known risk factor for many cancers, including colorectal cancer. However, this new research challenges that indirect connection by demonstrating a more immediate threat.
Using advanced laboratory models of late-stage colorectal cancer, the study authors exposed cancer cells to different types of sugar. They discovered that while glucose or fructose alone had a limited effect, the specific combination of the two dramatically increased the cancer cells’ mobility. This mirrors the composition of high-fructose corn syrup and other sweeteners in sodas, juices and sports drinks. (Related: Cancer cells are fueled by sugary drinks, making tumors grow faster.)
This enhanced mobility – a process scientists call “cellular motility” – is a crucial step in metastasis. It is the ability of cells to break away from the original tumor and migrate to other parts of the body.
The study found that this sugar mix acted as a potent fuel, causing cancer cells to move faster and leading to a more rapid spread to the liver, the most common site for colorectal cancer metastasis. This moves the concern beyond simply increasing cancer risk to actively worsening the prognosis for those already diagnosed.
Unlocking the biological mechanism: How sweeteners power cancer cells
The team delved deeper to understand precisely how this sugar combination wreaks havoc. They identified that the glucose-fructose blend activates a specific enzyme known as sorbitol dehydrogenase (SORD).
