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Autistic spectrum disorder associated with partial duplication of chromosome 15; three case reports

European Child & Adolescent Psychiatry volume 13, pages 389–393 (2004)Cite this article

Abstract

Duplication of part or the entirety of chromosome 15 that involves the Prader-Willi/Angelman syndrome critical region (PWACR) is a genetic disorder which is associated with variable degrees of intellectual impairment, motor co-ordination problems and social and communication disorders. Published case reports indicate that phenotypic expression is dependent on parental origin of the duplication and implicate maternally derived duplications in the pathogenesis of autistic features. This article describes three individuals, two males and one female, aged between 5 and 8 years, all with partial duplication of chromosome 15. Autism (or autistic spectrum disorder) was present in all three instances with varying degrees of cognitive impairment. The aim of this paper is to describe the phenotypic characteristics of this genetic sequence and the possible associations between social and behavioural patterns on the one hand, and degree and nature of genetic impairment on the other.

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Authors and Affiliations

  1. Michael Rutter Centre for Children and Young People, The Maudsley Hospital, London SE5 8AZ, UK

    Mima Simic MD, MSc, MRCPsych

  2. Department of Clinical Developmental Sciences, St. George’s Hospital Medical School, Cranmer Terrace, London SW17 0RE, UK

    Jeremy Turk MD, MB, BS, BSc(HONS), MRCPsych, FRCPCH, DCH

Authors
  1. Mima Simic MD, MSc, MRCPsych
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  2. Jeremy Turk MD, MB, BS, BSc(HONS), MRCPsych, FRCPCH, DCH
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Correspondence to Mima Simic MD, MSc, MRCPsych.

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Simic, M., Turk, J. Autistic spectrum disorder associated with partial duplication of chromosome 15; three case reports. European Child & Adolescent Psychiatry 13, 389–393 (2004). https://doi.org/10.1007/s00787-004-0414-y

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Key words

  • autistic spectrum disorder
  • partial duplication chromosome 15
  • behavioural phenotype