Archive: 11/06/2012

Gene inactivation drives spread of melanoma: study

Why do some cancers spread rapidly to other organs and others don't metastasize? A team of UNC researchers led by Norman Sharpless, MD, have identified a key genetic switch that determines whether melanoma, a lethal skin ...

Fighting cancer with the immune system

The human immune system has a natural ability to identify and attack tumor cells. Natural killer (NK) cells are innate immune cells that are particularly effective at killing tumor cells due to their ability to secrete cytotoxic ...

Estrogen and cardiovascular risk in menopausal women

Women are less prone to cardiovascular disease then men; but this difference between the sexes becomes less marked after the menopause. This observation is behind a great deal of received wisdom, where oestrogen is assumed ...

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