Scientists have discovered that metformin, a drug commonly used to treat diabetes, may help the body in a way that is similar to exercise.
The study, published in EMBO Molecular Medicine, focused on men with prostate cancer and found that the drug increases a molecule linked to energy balance and weight control.
Staying physically active is one of the best ways to maintain health, especially during illness. Exercise helps regulate blood sugar, supports heart health, and improves how the body uses energy.
For cancer patients, it can also reduce side effects and improve recovery. However, many people undergoing cancer treatment cannot exercise regularly due to fatigue, pain, or other complications.
This challenge led researchers to explore whether the body’s response to exercise could be triggered without physical activity. They turned their attention to metformin, a drug that has been used safely for many years to manage diabetes.
The key to the study is a molecule called Lac-Phe. This molecule is produced during physical activity and is linked to reduced appetite and improved metabolism. It forms when lactate, which builds up during exercise, combines with an amino acid called phenylalanine.
Researchers found that patients taking metformin showed increased levels of Lac-Phe, even without exercising. fileciteturn1file0 This suggests that the drug may activate some of the same biological pathways that are normally triggered by physical activity.
The study focused on prostate cancer patients receiving hormone therapy. This type of treatment can have strong effects on the body, including weight gain and changes in how the body handles sugar and fat. These changes can increase the risk of other health problems, such as heart disease.
By raising Lac-Phe levels, metformin may help the body manage these changes more effectively. The researchers found that the levels of this molecule in patients taking metformin were similar to those seen after intense exercise.
However, it is important to understand what this finding means. The increase in Lac-Phe was not linked to changes in cancer progression. This means that the drug is not directly treating the cancer in this way. Instead, it appears to support the body’s metabolism during treatment.
The study also found that metformin affects other signals in the body, including a hormone called GDF-15. Interestingly, Lac-Phe seemed to have a stronger link to weight changes, suggesting that multiple pathways are involved.
From an analytical point of view, this study is important because it connects laboratory findings with real patient data. It provides a clearer picture of how a common drug affects the body during cancer treatment.
However, there are also limitations. The study does not suggest that metformin can replace exercise. Physical activity still offers many benefits beyond metabolism, including improving muscle strength and mental health. In addition, more research is needed to confirm these findings and understand how they apply to different patients.
In conclusion, this research highlights a new way to support cancer patients who cannot exercise. By understanding how the body responds to treatment, scientists can find new ways to improve patient care. Metformin may not be a substitute for exercise, but it could help patients maintain better health during a difficult time.
If you care about cancer, please read studies that artificial sweeteners are linked to higher cancer risk, and how drinking milk affects risks of heart disease and cancer.
For more health information, please see recent studies about the best time to take vitamins to prevent heart disease, and results showing vitamin D supplements strongly reduces cancer death.
Source: University of Miami Miller School of Medicine.
