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The Scientist: Antioxidants may aid cancer

For the second time this month, scientists have reported that antioxidant supplementation sped up cancer growth in mice with melanoma. In the latest study, published this week (October 14) in Nature, researchers fed mice a common dietary supplement and the animals ended up with more tumors and more widespread cancers.

“We discovered that metastasizing melanoma cells experience very high levels of oxidative stress, which leads to the death of most metastasizing cells,” Sean Morrison, director of the Children’s Medical Center Research Institute at University of Texas Southwestern Medical Center, said in a press release. “Administration of antioxidants to the mice allowed more of the metastasizing melanoma cells to survive, increasing metastatic disease burden.”

Continue reading at the Scientist.

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