Scientists say they have discovered a protein that could be injected to repair damaged nerves and brain cells.
The protein, KDI tripeptide, works by blocking the harmful effects of a substance present in degenerative brain diseases and spinal cord injuries.
By blocking this substance, called glutamate, KDI prevents permanent cell death and helps the body heal itself.
The Finnish work from the University of Helsinki will be published online by the Journal of Neuroscience Research
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