Research demonstrates the important role of genetic factors in attention-deficit/hyperactivity disorder (ADHD). DNA sequencing of families provides a powerful approach for identifying de novo (spontaneous) variants, leading to the discovery of hundreds of clinically informative risk genes for other childhood neurodevelopmental disorders. This approach has yet to be extensively leveraged in ADHD.
View Article and Find Full Text PDFGenetic and non-genetic factors contribute to obsessive-compulsive disorder (OCD), with strong evidence of familial clustering. Genomic studies in psychiatry have used the concepts of families that are "simplex" (one affected) versus "multiplex" (multiple affected). Our study compares demographic and clinical data from OCD probands in simplex and multiplex families to uncover potential differences.
View Article and Find Full Text PDFAm J Med Genet B Neuropsychiatr Genet
June 2024
Objective: Animal hoarding is a special manifestation of Hoarding Disorder, characterized by the accumulation of animals and failure to provide them with minimal care. The main objective of this systematic review is to evaluate the characteristics of animal hoarding with a focus on the profile of affected individuals and accumulation behavior features.
Methods: A systematic search of the literature using the electronic databases MEDLINE, SCOPUS and LILACS was conducted until October 2022.