The ATXN1 and TRIM31 genes are related to intelligence in an ADHD background: Evidence from a large collaborative study totaling 4,963 Subjects
2011

Genes Related to Intelligence in ADHD

Sample size: 4963 publication 10 minutes Evidence: moderate

Author Information

Author(s): Thais S Rizzi, Alejandro Arias-Vasquez, Nanda Rommelse, Jonna Kuntsi, Richard Anney, Philip Asherson, Jan Buitelaar, Tobias Banaschewski, Richard Ebstein, Dina Ruano, Sophie Van der Sluis, Christina A Markunas, Melanie E Garrett, Allison E Ashley-Koch, Scott H Kollins, Arthur D Anastopoulos, Narelle K Hansell, Margaret J Wright, Grant W Montgomery, Nick G Martin, Sarah E Harris, Gail Davies, Albert Tenesa, David J Porteous, John M Starr, Ian J Deary, Beate St Pourcain, George Davey Smith, Nick J Timpson, David M Evans, Michael Gill, Ana Miranda, Fernando Mulas, Robert D Oades, Herbert Roeyers, Aribert Rothenberger, Joseph Sergeant, Edmund Sonuga-Barke, Hans Christoph Steinhausen, Eric Taylor, Stephen V Faraone, Barbara Franke, Danielle Posthuma

Primary Institution: VU University and VU Medical Center

Hypothesis

The study investigates the relationship between the ATXN1 and TRIM31 genes and intelligence in individuals with ADHD.

Conclusion

The study found that the ATXN1 and TRIM31 genes are associated with intelligence, particularly in individuals with ADHD.

Supporting Evidence

  • Significant associations were found between intelligence and SNPs in the ATXN1 and TRIM31 genes.
  • The study utilized a large sample size of 4,963 subjects.
  • Findings suggest that genetic variants may influence IQ in the context of ADHD.

Takeaway

This study looked at how certain genes might affect intelligence in kids with ADHD, finding that two specific genes are linked to IQ.

Methodology

The study used data from the IMAGE project, testing SNPs in candidate genes and genomic loci for associations with IQ.

Potential Biases

Potential biases due to the ADHD ascertainment of the sample.

Limitations

The findings may not generalize to non-ADHD populations, and the study's design may introduce biases.

Participant Demographics

The primary sample consisted of 947 European Caucasian nuclear families with children diagnosed with ADHD.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1002/ajmg.b.31149

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