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Health Communications and Health Advocacy

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The Answer to How Breast Cancer Invades Bone

Researchers recently solved the mystery of how breast cancer takes root in the bone. Now, the discovery has led to an experimental drug for breast cancer that has spread to the bone.

At Princeton University, Society grantee Yibin Kang, PhD, found breast cancer cells use a protein called Jagged1 to upset the normal balance of bone builders and bone demolishers. Jagged1 recruits cells that normally break down bone to dig deeper into it. This in turn releases molecules that further spur cancer growth.

“We knew the bone is a fertile soil for breast cancer to spread to. But we didn’t know why. We didn’t know how to make bone less fertile soil,” says Kang, Princeton’s Warner-Lambert/Parke-Davis professor of molecular biology. “Now that we know, the next step is to design drugs to break that vicious cycle.”

Breast…

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Filed under Cancer, cancer research, cancer treatment

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