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Answer Posted / swapna
Scientists at the National Human Genome Research Institute
(NHGRI) at the National Institutes of Health (NIH) have for
the first time precisely identified a gene abnormality that
causes some cases of Parkinson's disease. The gene spells
out instructions for a protein called alpha synuclein. In
the abnormal version of the gene, the researchers found a
mutation in a single base pair - one incorrect letter in
the string of more than 400 that compose the instructions
for making the protein. Because the normal gene plays a
role in the function of nerve cells, the finding gives
researchers a powerful new tool for understanding cellular
abnormalities in Parkinson's disease and demonstrates a
connection between Parkinson's disease research and
research into other neurological disorders, such as
Alzheimer's disease.
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