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  Dural ectasia in individuals with Marfan-like features but exclusion of mutations in the genes FBN1, TGFBR1 and TGFBR2

Sheikhzadeh, S., Rybczynski, M., Habermann, C. R., Bernhardt, A. M., Arslan-Kirchner, M., Keyser, B., et al. (2011). Dural ectasia in individuals with Marfan-like features but exclusion of mutations in the genes FBN1, TGFBR1 and TGFBR2. Clin Genet, 79(6), 568-74. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/20662850 http://onlinelibrary.wiley.com/store/10.1111/j.1399-0004.2010.01494.x/asset/j.1399-0004.2010.01494.x.pdf?v=1&t=gyzw7j6f&s=d876b90782efd5f58ee5ecee1bcb134cc903781b.

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 Creators:
Sheikhzadeh, S., Author
Rybczynski, M., Author
Habermann, C. R., Author
Bernhardt, A. M., Author
Arslan-Kirchner, M., Author
Keyser, B., Author
Kaemmerer, H., Author
Mir, T. S., Author
Staebler, A., Author
Oezdal, N., Author
Robinson, P. N.1, Author              
Berger, J., Author
Meinertz, T., Author
von Kodolitsch, Y., Author
Affiliations:
1Research Group Development & Disease (Head: Stefan Mundlos), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433557              

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Free keywords: Adolescent; Adult; Child; DNA Mutational Analysis; Diagnosis, Differential; Dilatation, Pathologic/diagnosis/genetics; Dura Mater/*abnormalities; Female; Genetic Testing; Humans; Male; Marfan Syndrome/*diagnosis; Microfilament Proteins/*genetics; Middle Aged; Mutation; Protein-Serine-Threonine Kinases/*genetics; Receptors, Transforming Growth Factor beta/*genetics; Sinus of Valsalva/*abnormalities; Young Adult
 Abstract: Mutations in the genes FBN1, TGFBR1, and TGFBR2 can result in heritable connective tissue disorders comprising the Marfan syndrome and the Loeys-Dietz syndrome. Dural ectasia is a characteristic manifestation of both syndromes. However, dural ectasia has not yet been investigated in connective tissue disorders that are unrelated to mutations in the FBN1, TGFBR1 or TGFBR2 genes. Here, we assessed dural ectasia in 33 individuals both with typical manifestations of heritable connective tissue disease and in whom mutations in all three genes had been excluded. We identified 19 individuals with dural ectasia (58%), who exhibited major skeletal manifestations of the Marfan syndrome more frequently than the remaining 14 persons without dural ectasia (p = 0.06). Moreover, only persons with dural ectasia fulfilled clinical criteria of the Marfan syndrome (p = 0.01). Conversely, aortic aneurysm (12 patients; p = 0.8), aortic dissection (five patients; p = 0.1), spontaneous dissection of the carotid arteries (five patients; p = 1), and mitral valve prolapse (13 patients; p = 0.4) were similarly frequent irrespective of dural ectasia. We conclude that dural ectasia is a marker for connective tissue disease which coincides with skeletal rather than with cardiovascular manifestations, and which may involve currently uncharacterized pathogenetic mechanisms and syndromes.

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 Dates: 2011
 Publication Status: Published in print
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Title: Clin Genet
Source Genre: Journal
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Pages: - Volume / Issue: 79 (6) Sequence Number: - Start / End Page: 568 - 74 Identifier: ISSN: 1399-0004 (Electronic) 0009-9163 (Linking)