New Scientist Breaking News -A drug that relieves the symptoms of Parkinson%u2019s disease %u2013 but was controversially withdrawn over toxicity fears %u2013 has now been shown to stimulate growth of the nerve fibres damaged by the disease.
When delivered directly to the brain, glial cell-line derived neurotrophic factor (GDNF) had been shown to stimulate regrowth of cells in animal models of Parkinson%u2019s. But this is the first time regrowth has been seen in the human brain, says Steven Gill, a neurosurgeon at Frenchay Hospital, Bristol