New Hope for Triple-Negative Breast Cancer Treatment with Diet Therapy

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Disclaimer: Results are not guaranteed*** and may vary from person to person***.

Shainhouse_150715Treatment options for patients with triple negative breast cancer tumors are limited—mainly because these tumors lack the necessary receptors commonly targeted by chemotherapy and hormone therapy treatments. However, researchers at the University of Wisconsin may have found an effective cancer treatment that focuses on diet therapy and a targeted antibody.

In the study, published last month in the journal Clinical Cancer Research, researchers discovered that by depriving the cancer cells of methionine, the stressed cancer cells responded by increasing TRAIL-R2 receptors on their surface. The cancer cells’ vulnerability increased, which allowed for an antibody treatment to effectively target them, resulting in cancer cell death.

In the study, researchers fed mice that were affected by triple negative breast cancer a diet deprived of methionine.

A low-methionine diet consists of limited quantities of meat, fish, eggs, and certain nuts and seeds, such as Brazil nuts and sesame seeds. Most legumes, fruits, and vegetables are low in methionine and are thus considered “safe.”

Mice were treated with an antibody targeting the TRAIL-R2 receptors. They found that the combination of a low-methionine diet and an antibody treatment resulted in the most effective treatment for shrinking the breast tumor and preventing metastasis to lungs, compared to either therapy alone.

The mechanism behind a low-methionine diet is not understood, but it is an exciting breakthrough. The study opens up future possibilities for human clinical trials.

Targeted antibody therapy for TRAIL-R2 receptors has not been effective in humans before; however, researchers hope that in combination with diet therapy, there will be hope for new treatment options for cancer patients.

Source for Today’s Article:
University of Wisconsin-Madison, “Dietary intervention primes triple-negative breast cancer for targeted therapy,” Science Daily web site, July 14, 2015;

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Leah Shainhouse, R.D.

About the Author, Browse Leah's Articles

Leah Shainhouse is a Registered Dietitian with the College of Dietitians of Ontario and a member of the Dietitians of Canada. She graduated with a Bachelor of Science, Honors, in Nutritional Sciences from the University of British Columbia and went on to complete her dietetic training and Master of Science degree in Human Nutrition at McGill University. Leah has a strong desire to help shape the lives of individuals through a healthy lifestyle. She enjoys working with people to help... Read Full Bio »