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Cancer cells are protected by our immune system…
A recent study could lead to important advances in the treatment of cancer. A team at the CNRS (French National Institute for Scientific Research) has shown that our immune system appears to recognise cancer cells not as abnormal cells to be eliminated but as cells to be protected. And this, of course, is a key discovery.
Since the early twentieth century, scientists have postulated that there might be an “immuno-surveillance” system in operation in the case of cancer cells: ie that our immune system may recognise these cells as abnormal. And that it is only when these cells evade our body’s immune response that cancer develops.
However, it now seems that this idea is erroneous. There is indeed immuno-surveillance of cancer cells but, according to the authors of the report, this system protects tumour cells at the time they appear… in just the same way that other normal cells in the body are protected against rejection.
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