Oncology & Cancer

How a common oral bacteria makes colon cancer more deadly

Researchers at the Columbia University College of Dental Medicine have determined how F. nucleatum—a common oral bacteria often implicated in tooth decay—accelerates the growth of colon cancer. The study was published ...

Oncology & Cancer

Important signaling pathway in breast cancer revealed

Researchers at Kanazawa University report in Proceedings of the National Academy of Sciences (PNAS) that a particular signaling pathway in breast cancer tumors causes cancer cells to divide symmetrically, expanding the tumor. ...

Oncology & Cancer

The immune system's supercell—how it matures

Natural killer cells (NK cells), play an important role in the body's defences against cancer and infections. Now, in a joint project, researchers at Lund University in Sweden, the University of Oxford, and Karolinska Institutet ...

Oncology & Cancer

Fatal brake failures: Tumorigenesis in the colon

Two genes normally work together to suppress the development of colon cancer. Their combined loss favors tumorigenesis and stimulates the formation of metastases.

Alzheimer's disease & dementia

Female sex hormones and mechanics of memory

Dr. Karyn Frick was puzzled. Her two-year study, begun with funding from Women's Health Research at Yale in 2005, found that long-term treatment with the sex hormones estrogen and progesterone did not improve memory as anticipated.

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