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Ablepharon macrostomia syndrome: A distinct genetic entity clinically related to the group of FRAS-FREM complex disorders.

Abstract
Ablepharon macrostomia syndrome (AMS; OMIM 200110) is an extremely rare congenital malformation syndrome. It overlaps clinically with Fraser syndrome (FS; OMIM 219000), which is known to be caused by mutations in either FRAS1, FREM2, or GRIP1, encoding components of a protein complex that plays a role in epidermal-dermal interactions during morphogenetic processes. We explored the hypothesis that AMS might be either allelic to FS or caused by mutations in other genes encoding known FRAS1 interacting partners. No mutation in either of these genes was found in a cohort of 11 patients with AMS from 10 unrelated families. These findings demonstrate that AMS is genetically distinct from FS. It is proposed that it constitutes a separate entity within the group of FRAS-FREM complex disorders.
AuthorsDenny Schanze, Magdalena Harakalova, Cathy A Stevens, Francesco Brancati, Bruno Dallapiccola, Peter Farndon, Victor E F Ferraz, Donna M McDonald-McGinn, Elaine H Zackai, Michael Wright, Stef van Lieshout, Maartje J Vogel, Mieke M van Haelst, Martin Zenker
JournalAmerican journal of medical genetics. Part A (Am J Med Genet A) Vol. 161A Issue 12 Pg. 3012-7 (Dec 2013) ISSN: 1552-4833 [Electronic] United States
PMID24115501 (Publication Type: Journal Article, Research Support, N.I.H., Extramural)
Copyright© 2013 Wiley Periodicals, Inc.
Chemical References
  • Carrier Proteins
  • Extracellular Matrix Proteins
  • FRAS1 protein, human
  • FREM2 protein, human
  • GRIP1 protein, human
  • Nerve Tissue Proteins
Topics
  • Abnormalities, Multiple (etiology, genetics, physiopathology)
  • Carrier Proteins (genetics)
  • Extracellular Matrix Proteins (genetics)
  • Eye Abnormalities (etiology, genetics, physiopathology)
  • Female
  • Fraser Syndrome (genetics, physiopathology)
  • Humans
  • Macrostomia (etiology, genetics, physiopathology)
  • Male
  • Mutation
  • Nerve Tissue Proteins (genetics)
  • Phenotype

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