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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-64698

Roknic, N; Huber, A M; Hegemann, S C A; Häusler, R; Gürtler, N (2012). Mutation analysis of Netrin 1 and HMX3 genes in patients with superior semicircular canal dehiscence syndrome. Acta Oto-Laryngologica, 132(10):1061-1065.

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Abstract Conclusion: In spite of its absence in the control population, there is questionable evidence for the alteration c.114C->T in the HMX3 gene being implicated in the development of superior semicircular canal dehiscence (SSCD). However, the concept of a complex disease is valid for SSCD and a possible molecular origin can neither be confirmed nor excluded by the results of this study. Objectives: SSCD was first described in 1998 by Minor et al. While the etiology is not clear, findings from both temporal bone CT and histologic studies suggest a congenital or developmental origin. In recent years, a couple of genes regulating inner ear morphogenesis have been described. Specifically, Netrin-1 and HMX3 have been shown to be critically involved in the formation of the SCC. Molecular alterations in these two genes might lead to a disturbed development of this canal and might represent an explanation for SSCD. Methods: DNA was extracted from whole blood of 15 patients with SSCD. The coding sequences of Netrin-1 and HMX3 were amplified by PCR and sequenced. Results: One sequence alteration, heterozygous c.114C->T (conservative change without alteration of amino acid) in exon 1 of HMX3, was detected in 2 of 15 patients but not in 300 control chromosomes. The study was supported in part by the Emilia-Guggenheim-Schnurr-Foundation, Basel, Switzerland.


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Otorhinolaryngology
Dewey Decimal Classification:610 Medicine & health
Deposited On:18 Sep 2012 10:53
Last Modified:05 Apr 2016 15:57
Publisher:Taylor & Francis
Free access at:Official URL. An embargo period may apply.
Publisher DOI:10.3109/00016489.2012.681797
Official URL:http://informahealthcare.com/doi/pdf/10.3109/00016489.2012.681797
Related URLs:http://informahealthcare.com/toc/oto/0/0 (Publisher)
PubMed ID:22779713

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