Stem cell pioneers take first prize in Nobel week

This year's Nobel Prize for Medicine goes to...

The 2012 Nobel Prize for medicine has been awarded to stem cell researchers John Gurdon and Shinya Yamanaka of Britain and Japan. They take the first Nobel prize of the year, with a flurry to follow over the next week.

Judges in Stockholm said on Monday that the medicine prize had been awarded to the researchers "for the discovery that mature cells can be reprogrammed to become pluripotent," saying that this discovery had "revolutionized our understanding of how cells and organisms develop."

Gurdon and Yamanaka are stem cell researchers who are seeking ways to obtain embryonic stem cells - a kind of genetic blank slate, cells that can be 'programmed' to take on many different forms and perform different functions - from the cells of an adult. Embryos themselves are another more controversial source of stem cells.

"We are trying to find ways of obtaining embryo cells from the cells of an adult," Gurdon writes on his Gurdon Institute website. "The eventual aim is to provide replacement cells of all kinds starting from usually obtainable cells of an adult individual."

A Nobel Prize medal on display in Stockholm

The British scientist also said such a system was advantageous because the stem cells could be obtained from the patient themselves, reducing the risk of rejection when they were employed as a treatment.

The medals will be doled out in December, the winners named in the next few days

Stem cells appear to have potential to treat a wide range of illnesses, with a major barrier to the research the ethical implications of obtaining the cells from unborn foetuses.

A busy week in the Swedish capital

Stem cell pioneers take first prize in Nobel week

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