Scientists have created pain in a dish by converting skin cells into sensitive neurons.

The laboratory-generated nerve cells respond to a range of different kinds of pain stimulation, including physical injury, chronic inflammation, and cancer chemotherapy.

In future they could be used to investigate the origins of pain and develop better pain-relieving drugs.

The work followed years of unsuccessful attempts to produce nerve cells from embryonic stem cells, immature blank slate cells with the potential to become any tissue in the body.

A turning point came with the development of technology that allowed ordinary skin cells to be re-programmed into induced stem cells.

A team led by Dr Clifford Woolf at Harvard Medical School used a cocktail of transcription factors proteins that control the activity of genes to transform mouse and human skin cells directly into pain-sensing neurons.

The researchers, whose findings are reported in the journal Nature Neuroscience, were able to model pain hypersensitivity experienced by patients who donated skin cells to the study.

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Scientists have created 'pain in a dish'

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