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<p>Atopic dermatitis (AD) frequently co-occurs with neuropsychiatric disorders, yet the genetic basis for this comorbidity is unclear. We performed a large-scale genome-wide pleiotropy approach to investigate the genetic correlations and causal associations between AD and five neuropsychiatric disorders, attention deficit hyperactivity disorder (ADHD), autism spectrum disorder (ASD), bipolar disorder (BP), major depressive disorder (MDD), and schizophrenia (SCZ). We identified significant positive genetic correlations between AD and ADHD, MDD and BP. Genome-wide pleiotropy scans identified 37 distinct pleiotropic loci, mapped in 86 unique genes participating in inflammatory pathways. Pleiotropy-informed target prioritization facilitated the identification of novel pathophysiological mechanisms for AD and putative drug targets, such as members of TNF and JAK-STAT3 signaling. Mendelian randomization provided evidence of a causal relationship between genetic liability to MDD and BP in increased AD risk, independent of sample overlap. Our findings elucidate immune-related pathway crosstalks between AD and neuropsychiatric disorders with implications for therapeutic interventions.</p>

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A genome-wide pleiotropy study between atopic dermatitis and neuropsychiatric disorders

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月25日

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  • Charalabos Antonatos,
  • Alexandros Pontikas,
  • Adam Akritidis,
  • Dimitra Mitsoudi,
  • Sophia Georgiou,
  • Alexander J. Stratigos,
  • Aikaterini Zacharopoulou,
  • Stamatis Gregoriou,
  • Katerina Grafanaki,
  • Yiannis Vasilopoulos

摘要

Atopic dermatitis (AD) frequently co-occurs with neuropsychiatric disorders, yet the genetic basis for this comorbidity is unclear. We performed a large-scale genome-wide pleiotropy approach to investigate the genetic correlations and causal associations between AD and five neuropsychiatric disorders, attention deficit hyperactivity disorder (ADHD), autism spectrum disorder (ASD), bipolar disorder (BP), major depressive disorder (MDD), and schizophrenia (SCZ). We identified significant positive genetic correlations between AD and ADHD, MDD and BP. Genome-wide pleiotropy scans identified 37 distinct pleiotropic loci, mapped in 86 unique genes participating in inflammatory pathways. Pleiotropy-informed target prioritization facilitated the identification of novel pathophysiological mechanisms for AD and putative drug targets, such as members of TNF and JAK-STAT3 signaling. Mendelian randomization provided evidence of a causal relationship between genetic liability to MDD and BP in increased AD risk, independent of sample overlap. Our findings elucidate immune-related pathway crosstalks between AD and neuropsychiatric disorders with implications for therapeutic interventions.