Pilot study: potential transcription markers for adult attention-deficit hyperactivity disorder in whole blood

Attention Deficit and Hyperactivity Disorders
Edna GrünblattAngelika Schmitt

Abstract

Attention-deficit hyperactivity disorder (ADHD) is a common behavioural disorder that affects not only children and adolescents but also adults; however, diagnosis of adult ADHD is difficult because patients seem to have reduced externalized behaviour. ADHD is a multifactorial disorder in which many genes, all with small effects, are thought to cause the disorder in the presence of unfavourable environmental conditions. Therefore, in this pilot study, we explored the expression profile of a list of previously established candidate genes in peripheral blood samples from adult ADHD subjects (n = 108) and compared these results with those of healthy controls (n = 35). We demonstrate that combining the gene expression levels of dopamine transporter (SLC6A3), dopamine D5 receptor, tryptophan hydroxylase-1, and SNAP25 as predictors in a regression model resulted in sensitivity and specificity of over 80 % (ROC: max R(2) = 0.587, AUC = 0.917, P < 0.001, 95 % CI: 0.900-0.985). In conclusion, the combination of these four genes could represent a potential method for estimating risk and could be of diagnostic value for ADHD. Nevertheless, further investigation in a larger independent population including different subtypes of ADHD (inatt...Continue Reading

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Citations

Dec 24, 2013·Attention Deficit and Hyperactivity Disorders·Jubby M GálvezAlberto Velez-van-Meerbeke
Jan 18, 2017·The World Journal of Biological Psychiatry : the Official Journal of the World Federation of Societies of Biological Psychiatry·Cristian BonviciniCatia Scassellati
May 12, 2017·Attention Deficit and Hyperactivity Disorders·Saurabh SrivastavEdna Grünblatt
Apr 3, 2021·Journal of Psychiatric Research·Nagahide TakahashiToshiya Inada

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