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Health


the spread A


great deal of cancer research is currently under way to combat primary tumours that grow at the site on the body where


cancer begins. However, there still exists a crucial need to find a treatment that can address metastatic cancer that has spread from the part of the body where it originated to another body part, such as bone, liver or lungs. Each year, at least 2.6m people in the developed world die of cancers that have metastasised.


Under a microscope, metastatic


cancer cells generally look the same as cells of the original cancer. Moreover, metastatic cancer cells and cells of the original cancer usually have some molecular features in common, such as the expression of certain proteins or the presence of specific chromosome changes.


Although some types of metastatic cancer can be cured with current treatments, most cannot. Nevertheless,


Could a common virus help to beat ‘the big C’ when it has metastasised from the part of the body where it originated to another, asks Brad Thompson


treatments are available for all patients with metastatic cancer. In general, the main goal is to control the growth of the cancer or to relieve symptoms. In some cases, metastatic cancer treatments may help prolong life. However, most people who die of cancer, die of metastatic disease.


Half of all children are exposed to reovirus by age 12


C Chemistry&Industry • November 2013 37


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