RESEARCH ARTICLE


Buschke-Ollendorf Syndrome: Report of a Case and a Brief Molecular Overview



Michel van Geel1, 2, 3, Valerie L.R.M. Verstraeten1, 2, 3, G.P.H. Lucker2, Maurice A.M. van Steensel*, 1, 2, 3
1 Department of Dermatology, University Hospital Maastricht, Maastricht, The Netherlands
2 Atrium Hospital Heerlen, The Netherlands
3 GROW research institute, University of Maastricht, The Netherlands


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Creative Commons License
© 2008 Geel et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Maastricht University Center for Molecular Dermatology, Department of Dermatology, University Hospital Maastricht, P.O. Box 5800, 6202AZ Maastricht, The Netherlands; Tel: +31433871641; E-mail:mvst@sder.azm.nl


Abstract

Buschke-Ollendorf syndrome (BOS) is a rare autosomal dominant disorder characterized by localized increases in bone density manifesting as osteopoikilosis or melorheostosis and connective tissue nevi, collagenomas. Manifestations are highly variable. It is caused by loss-of-function mutations in the LEMD3 gene, which codes for an inner nuclear membrane protein that is also known as MAN1. Six different mutations have been described to date without a clear genotype- phenotype correlation. Buschke-Ollendorf syndrome exemplifies the importance of TGFß signaling for bone and connective tissue homeostasis. Here, we report on a father and his daughter with typical BOS syndrome caused by a known nonsense mutation and provide an overview of what is now known of this rare disorder.

Keywords: Buschke-Ollendorf, MAN1, LEMD3, nuclear envelope, TGF-beta.