Tall stature and duplication of the insulin-like growth factor I receptor gene

S. G. Kant, M. Kriek, M. J E Walenkamp, K. B M Hansson, A. van Rhijn, J. Clayton-Smith, J. M. Wit, M. H. Breuning

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Trisomy of 15q26-qter is frequently associated with tall stature and mental retardation. Here we describe a patient with such trisomy, without a partial monosomy of another chromosome. The tall stature in this patient is most probably caused by duplication of the IGF1R gene. A duplication of the IGF1R gene is not a frequent finding in patients with tall stature. In 38 patients with features of Sotos syndrome without NSD1 alterations, a duplication was found only once. This patient was already known to have an unbalanced 2;15 translocation. Looking for a duplication of the 15qter region is still worth consideration in patients with tall stature and features of Sotos syndrome without an NSD1 alteration, especially when there is craniosynostosis or marked speech delay. © 2006 Elsevier Masson SAS. All rights reserved.
    Original languageEnglish
    Pages (from-to)1-10
    Number of pages9
    JournalEuropean journal of medical genetics
    Volume50
    Issue number1
    DOIs
    Publication statusPublished - Jan 2007

    Keywords

    • Insulin-like growth factor I receptor gene
    • Overgrowth
    • Tall stature
    • Trisomy 15q26.1-qter

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