Cancer cure comes closer to reality
A company that has been able to develop a way to harness the power of the immune system’s natural-born killer cells: the T-cells of the blood that kill invading pathogens, like viruses and bacteria.
A chief scientific officer who began to study T-cells 20 years ago, said that immuno-therapy is radically different.
He said that his method doesn't do away with other cancer treatments by any means, and only adds something to the arsenal, though it may have one unique feature – it could have the ability to actually cure cancer.
Today almost all the cancer treatments are burdened with the problem of sparing the healthy tissue from irreparable harm while ensuring that every cancer cell is killed, deactivated or removed.
According to the researcher, many companies have tried developing cancer cures based on antibodies, but have had limited success.
He said that a part of the problem was that antibodies are not designed to recognise cells and his company built a therapy around the second arm of the immune system, called cellular immunity, where T-cells seek out and destroy invading pathogens.
They have devised a way to design small protein molecules, which is called ImmTACs, which act as double-ended glue. At one end ImmTACs stick to cancer cells, strongly and very specifically, and leave healthy cells untouched and at the other end they stick to T-cells.
The researcher said that they use scaffold of the T-cell receptor to make something that is very good at recognising cancer even if it doesn't exist naturally.
He asserted that although T-cells are not keen to recognise cancer, they force them to do so.
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Labels: anti-bodies, Bacteria, cancer, cellular, destroy, ImmTACs, immune system, immunity, immuno-therapy, pathogens, receptor, T cells, viruses
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