Apolipoprotein E gene (APOE) polymorphism is an important determinant for the development of various cardiovascular and neurodegenerative disorders. There have been conflicting reports of association of APOE polymorphism with dementia in Parkinson disease (PD).
Department of Neurology, Ageing, Degenerative and Cerebrovascular Diseases, Medical University of Silesia, Central University Hospital, Medykow 14, Katowice 40-752, Poland. bmyga@wp.pl