Scientists discover immune cell which can target and destroy multiple cancers

Mail Online | 1/20/2020 | Connor Boyd Health Reporter For Mailonline
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Exciting new cancer therapies could be on the horizon after scientists discovered an immune cell that kills off multiple forms of the disease.

The new T-cells, which are a type of white blood cell, recognised and destroyed most types of cancers while leaving healthy tissue unscathed.

Researchers - Cardiff - University - Cell - Day

Researchers at Cardiff University say the new tumour-killing cell may one day provide a 'one-size' fits all cancer treatment which was once believed to be impossible.

But their latest study only looked at the T-cells' effectiveness on cancer grown in a laboratory.

Animal - Studies - Abilities

Animal and eventually human studies will be needed to test its true tumour-destroying abilities.

Doctors have for years been using a treatment called CAR-T therapy, which involves extracting patients' own immune cells and genetically modifying them.

Form - Immunotherapy - T-cells - Sufferer - Blood

The form of immunotherapy sees the T-cells returned to the sufferer's blood where they hunt and destroy cancer cells.

But the treatment only targets a limited number of cancers - including blood and bone marrow - and has not been successful for solid tumours, which make up the majority of disease cases.

T-cells - Cells - Tissue - Make-up

T-cells find it difficult to differentiate tumour cells from healthy tissue because of their similar genetic make-up, so they tend to end up attacking them both.

However the new killer cell is able to distinguish between the two and only kill off the cancerous ones. The researchers are now investigating exactly how this is possible.

Study - Cell - Type - Cancers - Tissue

In the latest study, the cell type was found to destroy 10 cancers while ignoring healthy tissue in a laboratory dish.

It was effective at treating lung, skin, blood, colon, breast, bone, prostate, ovarian, kidney and cervical cancer.

Lead - Study - Author - Professor - Andrew

Lead study author Professor Andrew Sewell, from Cardiff University's School of Medicine, said it was 'highly unusual' to find an attack cell which could accurately target so many types of cancer but still not healthy cells.

He said it raised...
(Excerpt) Read more at: Mail Online
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