Overlapping 16p13.11 deletion and gain of copies variations associated with childhood onset psychosis include genes with mechanistic implications for autism associated pathways: Two case reports

Am J Med Genet A. 2016 May;170A(5):1165-73. doi: 10.1002/ajmg.a.37595. Epub 2016 Feb 16.

Abstract

Copy number variability at 16p13.11 has been associated with intellectual disability, autism, schizophrenia, epilepsy, and attention-deficit hyperactivity disorder. Adolescent/adult- onset psychosis has been reported in a subset of these cases. Here, we report on two children with CNVs in 16p13.11 that developed psychosis before the age of 7. The genotype and neuropsychiatric abnormalities of these patients highlight several overlapping genes that have possible mechanistic relevance to pathways previously implicated in Autism Spectrum Disorders, including the mTOR signaling and the ubiquitin-proteasome cascades. A careful screening of the 16p13.11 region is warranted in patients with childhood onset psychosis.

Keywords: CNV; genetics; psychosis; schizophrenia.

Publication types

  • Case Reports
  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Autistic Disorder / genetics*
  • Autistic Disorder / physiopathology
  • Child
  • Child, Preschool
  • Chromosome Deletion
  • Chromosomes, Human, Pair 16 / genetics*
  • Comparative Genomic Hybridization
  • DNA Copy Number Variations / genetics
  • Developmental Disabilities / genetics*
  • Developmental Disabilities / physiopathology
  • Female
  • Genetic Association Studies
  • Humans
  • Male
  • Psychotic Disorders / genetics*
  • Psychotic Disorders / physiopathology
  • Schizophrenia / genetics*
  • Schizophrenia / physiopathology
  • Signal Transduction