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Clients in the News – U of Michigan finds a Cure for Cancer may live in our Intestines

The discovery of Robo1 protein in the intestinal stem cells (depicted in yellow) leads to tolerance of higher doses of chemoradiation for cancer patients. (Credit: Dr. Wei-Jie Zhou)

Treating a cancerous tumor is like watering a houseplant with a fire hose — too much water kills the plant, just as too much chemotherapy and radiation kills the patient before it kills the tumor.

However, if the patient’s gastrointestinal tract remains healthy and functioning, the patient’s chances of survival increase exponentially, said Jian-Guo Geng, associate professor at the University of Michigan School of Dentistry. Recently, Geng’s lab discovered a biological mechanism that preserves the gastrointestinal tracts in mice who were delivered lethal doses of chemotherapy.

The findings, which will appear in the journal Nature, could revolutionize cancer therapy, Geng said.

“It’s our belief that this could eventually cure later-staged metastasized cancer. People will not die from cancer, if our prediction is true,” said Geng, who emphasized that the findings had not yet been proven in humans. “All tumors from different tissues and organs can be killed by high doses of chemotherapy and radiation, but the current challenge for treating the later-staged metastasized cancer is that you actually kill the patient before you kill the tumor.

“Now you have a way to make a patient tolerate to lethal doses of chemotherapy and radiotherapy. In this way, the later-staged, metastasized cancer can be eradicated by increased doses of chemotherapy and radiation.”

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