Stephen V Faraone, Caroline L Ward, Matthieu Boucher, Reem Elbekai, Elizabeth Brunner
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引用次数: 0
Abstract
Introduction: Attention-deficit/hyperactivity disorder (ADHD) is a common neuropsychiatric disorder of inattention, hyperactivity, and impulsivity. Roles for dopamine and norepinephrine are widely recognized; however, the role of serotonergic neurotransmission is less clear. This systematic literature review aimed to determine if changes in serotonin transmission are implicated in the neurobiology of ADHD.
Methods: A search of published literature was conducted. Eligible publications addressing the role of serotonin, its receptor family, and/or its transporter in the neurobiology of ADHD were selected according to prespecified criteria. The quality of evidence was graded.
Results: Of 95 publications meeting our criteria, many (n = 60) were nonclinical studies. Most publications were rated as containing medium- (62.1%) or high-grade (17.9%) evidence. Multiple strands of evidence were found to implicate serotonin in ADHD, with 81.1% of the identified articles providing support for altered levels of serotonin production, binding, transport, or degradation in ADHD.
Conclusions: Substantial evidence implicates serotonin in the neurobiology of ADHD and in the regulation of the catecholaminergic systems believed to be dysregulated by the disorder. Yet this evidence is incomplete and, at times, conflicting. It does suggest, however, that medications that engage the serotonin system should be tested for their efficacy in the treatment of ADHD.
期刊介绍:
The journal evaluates molecules, signalling pathways, receptors and other therapeutic targets and their potential as candidates for drug development. Articles in this journal focus on the molecular level and early preclinical studies. Articles should not include clinical information including specific drugs and clinical trials.
The Editors welcome:
Reviews covering novel disease targets at the molecular level and information on early preclinical studies and their implications for future drug development.
Articles should not include clinical information including specific drugs and clinical trials.
Original research papers reporting results of target selection and validation studies and basic mechanism of action studies for investigative and marketed drugs.
The audience consists of scientists, managers and decision makers in the pharmaceutical industry, academic researchers working in the field of molecular medicine and others closely involved in R&D.