AUTHOR=Ritter McKenzie L. , Guo Wei , Samuels Jack F. , Wang Ying , Nestadt Paul S. , Krasnow Janice , Greenberg Benjamin D. , Fyer Abby J. , McCracken James T. , Geller Daniel A. , Murphy Dennis L. , Knowles James A. , Grados Marco A. , Riddle Mark A. , Rasmussen Steven A. , McLaughlin Nicole C. , Nurmi Erika L. , Askland Kathleen D. , Cullen Bernadette , Piacentini John , Pauls David L. , Bienvenu Joseph , Stewart Evelyn , Goes Fernando S. , Maher Brion , Pulver Ann E. , Mattheisen Manuel , Qian Ji , Nestadt Gerald , Shugart Yin Yao TITLE=Genome Wide Association Study (GWAS) between Attention Deficit Hyperactivity Disorder (ADHD) and Obsessive Compulsive Disorder (OCD) JOURNAL=Frontiers in Molecular Neuroscience VOLUME=10 YEAR=2017 URL=https://www.frontiersin.org/journals/molecular-neuroscience/articles/10.3389/fnmol.2017.00083 DOI=10.3389/fnmol.2017.00083 ISSN=1662-5099 ABSTRACT=

Objective: The aim of this study was to identify any potential genetic overlap between attention deficit hyperactivity disorder (ADHD) and obsessive compulsive disorder (OCD). We hypothesized that since these disorders share a sub-phenotype, they may share common risk alleles. In this manuscript, we report the overlap found between these two disorders.

Methods: A meta-analysis was conducted between ADHD and OCD, and polygenic risk scores (PRS) were calculated for both disorders. In addition, a protein-protein analysis was completed in order to examine the interactions between proteins; p-values for the protein-protein interaction analysis was calculated using permutation.

Conclusion: None of the single nucleotide polymorphisms (SNPs) reached genome wide significance and there was little evidence of genetic overlap between ADHD and OCD.