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Donor immune cells attack metastatic breast cancer

In patients with metastatic breast cancer, immune cells from a genetically matched donor can attack and shrink tumors, researchers from the National Cancer Institute (NCI) announced today at the Annual Meeting of the American Society of Clinical Oncology in Chicago. This is the first time researchers have clearly demonstrated this type of immune response, known as a graft-versus-tumor effect, acting against breast cancer.

Scientists find stem cells in human breast cancer

Of all the neoplastic cells in human breast cancers, only a small minority – perhaps as few as one in 100 – appear to be capable of forming new malignant tumors, according to just-published research by scientists in the University of Michigan Comprehensive Cancer Center. The discovery could help researchers zero in on the most dangerous cancer cells to develop new, more effective treatments.

More confusion in cell phone, tumor flap

Science Blog reported earlier this week on a study suggesting a connection between use of an early cell phone standard and brain tumors. A separate study announced today says that no link has been found between radio emissions from mobile phones and the growth of tumors in mice. The Australian study contradicts yet another, earlier investigation that did find a connection. No word on what sort of calling plan the recent mice were allowed in the three year experiment.