" from a functional angle of view , this is the first occasion we could identify what appearing to be typical parkinson ' s disease patients before people develop symptoms , " say mayo clinics biochemist matthew paget . " we know if someone inherits the trait they are coming to acquire parkinson ' s disease . " the protein was discovered by sequencing the lrrk2 sequence in families with f ' s from the americans , norway , ireland and poland .
A genetic mutation has been linked with Parkinson's disease.