Article
A genetic polymorphism of MAO-B modifies the association of cigarette smoking and Parkinson's disease.
Neurology - 1 May 1998
Checkoway H, Franklin G M, Costa-Mallen P, Smith-Weller T, Dilley J, Swanson P D, Costa L G
Abstract excerpt
In a population-based case-control study, we found a reversal of the association of cigarette smoking with Parkinson's disease (PD) in relation to the monoamine oxidase B intron 13 genetic polymorphism. A reduced PD risk related to pack-years of smoking was detected for persons with the G allele, whereas an opposite effect was found among persons with the A allele. These results indicate an unexplained...
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