Serotonin and dopamine transporter genes do not influence depression in Parkinson's disease

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Dissanayaka, Nadeeka NW
Silburn, Peter A
O'Sullivan, John D
Mellick, George D
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2009
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Abstract

Altered levels of the neurotransmitters dopamine and serotonin are observed in both Parkinson's disease (PD) and depression. Therefore, the neurotransmitter transporter genes, SLC6A3 (dopamine) and SLC6A4 (serotonin) are candidates for depression in PD. We genotyped 24 tagging SNPs together with VNTRs and the SLC6A4 LPR polymorphism in 190 PD patients categorised according to lifetime history of depression. Log-additive, dominant and recessive statistical models were constructed. No significant genotype or haplotype associations were observed suggesting that common genetic variables around the dopamine and serotonin transporter genes do not play a significant role in the etiology of depression in PD.

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Movement Disorders

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24

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1

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© 2009 Movement Disorders Society. Published by John Wiley & Sons, Ltd. Self-archiving of the author-manuscript version is not yet supported by the Movement Disorders Society. Please refer to the journal link for access to the definitive, published version or contact the authors for more information.

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Clinical sciences

Sports science and exercise

Neurosciences

Neurology and neuromuscular diseases

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