Washington: Scientists have revealed how a promising viral therapy that delivers a double blow to cancer can sneak up on tumours undetected by hitching a ride on blood cells.The work, led by researchers from the University of Leeds and The Institute of Cancer Research (ICR), reveals how the ‘hitch-hiking’ virus is shielded from antibodies in the blood stream that might otherwise neutralise its anti-cancer properties.The findings, from a study in patients, suggest that viral therapies like this can be effectively injected into the bloodstream during routine outpatient appointments - just like standard chemotherapy agents – making them potentially suitable for use against a wide range of cancers.Reovirus is a promising new way of treating cancer that attacks the disease on two fronts. Not only does the virus kill cancer cells directly, but it also triggers an immune response - like a vaccine – that helps eliminate residual cancer cells.
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