Researchers Identify Natural Tumor Suppressor

Wednesday, September 10, 2008 - 11:14 in Health & Medicine

Researchers have identified a key step in the formation -- and suppression -- of esophageal cancers and perhaps carcinomas of the breast, head and neck. By studying human tissue samples, they found that Fbx4, a naturally occurring enzyme, plays a key role in stopping production of another protein called Cyclin D1, which is thought to contribute to the early stages of cancer development.

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