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Apparent genetic homogeneity of the treacher Collins‐Franceschetti syndrome

Apparent genetic homogeneity of the treacher Collins‐Franceschetti syndrome The Treacher Collins‐Franceschetti syndrome (TCOF) or mandibulofacial dysostosis (MFD) is an autosomal dominant disorder characterized by craniofacial abnormalities and hearing loss. A refined genetic linkage map of the TCOF locus was established in 8 independent families, using 12 microsatellite DNA markers of the distal 5q. Positive lod score values were obtained for all markers with a maximum at the D5S413 locus (Zmax = 3.79 at θ = 0%). Multipoint linkage analysis and haplotype analysis supported the location of the gene between loci D5S434 and D5S412. These results are consistent with previous linkage analysis [Dixon et al.: Am J Hum Genet 49:17–22, 1991, Am J Hum Genet 52:907–914, 1993; Jabs et al.: Genomics 11:193–198, 1991, Genomics 18:7–13, 1993] and provide further evidence of genetic homogeneity in this syndrome. © 1994 Wiley‐Liss, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Medical Genetics Part A Wiley

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References (18)

Publisher
Wiley
Copyright
Copyright © 1994 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1552-4825
eISSN
1552-4833
DOI
10.1002/ajmg.1320520210
pmid
7802004
Publisher site
See Article on Publisher Site

Abstract

The Treacher Collins‐Franceschetti syndrome (TCOF) or mandibulofacial dysostosis (MFD) is an autosomal dominant disorder characterized by craniofacial abnormalities and hearing loss. A refined genetic linkage map of the TCOF locus was established in 8 independent families, using 12 microsatellite DNA markers of the distal 5q. Positive lod score values were obtained for all markers with a maximum at the D5S413 locus (Zmax = 3.79 at θ = 0%). Multipoint linkage analysis and haplotype analysis supported the location of the gene between loci D5S434 and D5S412. These results are consistent with previous linkage analysis [Dixon et al.: Am J Hum Genet 49:17–22, 1991, Am J Hum Genet 52:907–914, 1993; Jabs et al.: Genomics 11:193–198, 1991, Genomics 18:7–13, 1993] and provide further evidence of genetic homogeneity in this syndrome. © 1994 Wiley‐Liss, Inc.

Journal

American Journal of Medical Genetics Part AWiley

Published: Mar 15, 1995

Keywords: ; ; ; ;

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