How Stem Cells Can Be Used To Fight Cancer

People suffering from cancer have been given fresh hope after scientists revealed that stem cell technology can be used to mass-produce cancer-killing immune cells.

The research shows that it could treat all kinds of tumours, and opens up the prospect of immunotherapy treatments helping many more cancer patients in the future.

In theory cancer can be tackled by elements of the body's own immune defences, especially white blood cells called T-cells.

But in practice, T-cells that target and kill cancer cells while ignoring healthy cells are very rare, and progress towards immune-based cancer treatments has been limited.

The new approach provides a way to reprogramme T-cells and create large numbers of them "off the shelf" primed to attack specific cancers.

A small number of healthy human T-cells were first reprogrammed into malleable stem cells with embryonic properties, US scientists reported in the journal Nature Biotechnology.

These induced pluripotent stem cells (iPScs) were then engineered to produce a tumour-specific receptor molecule on their surfaces.

Finally, the stem cells were coaxed to re-acquire their original T-cell properties while expanding to large numbers.

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How Stem Cells Can Be Used To Fight Cancer