Autosomal recessive stickler syndrome due to a loss of function mutation in the COL9A3 gene

Flavio Faletra, Adamo P. D'Adamo, Irene Bruno, Emmanouil Athanasakis, Saskia Biskup, Laura Esposito, Paolo Gasparini

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Stickler syndrome (STL) is a clinically variable and genetically heterogeneous syndrome characterized by ophthalmic, articular, orofacial, and auditory manifestations. STL has been described with both autosomal dominant and recessive inheritance. The dominant form is caused by mutations of COL2A1 (STL 1, OMIM 108300), COL11A1 (STL 2, OMIM 604841), and COL11A2 (STL 3, OMIM 184840) genes, while recessive forms have been associated with mutations of COL9A1 (OMIM 120210) and COL9A2 (OMIM 120260) genes. Type IX collagen is a heterotrimeric molecule formed by three genetically distinct chains: α1, α2, and α3 encoded by the COL9A1, COL9A2, and COL9A3 genes. Up to this time, only heterozygous mutations of COL9A3 gene have been reported in human and related to: (1) multiple epiphyseal dysplasia type 3, (2) susceptibility to an intervertebral disc disease, and (3) hearing loss. Here, we describe the first autosomal recessive Stickler family due to loss of function mutations (c.1176_1198del, p.Gln393Cysfs*25) of COL9A3 gene. These findings extend further the role of collagen genes family in the disease pathogenesis.

Original languageEnglish
Pages (from-to)42-47
Number of pages6
JournalAmerican Journal of Medical Genetics, Part A
Volume164
Issue number1
DOIs
Publication statusPublished - Jan 2014

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Genetic Databases
Mutation
Genes
Collagen Type IX
Recessive Genes
Hearing Loss
Collagen
Joints
Type 1 Stickler syndrome

Keywords

  • Autosomal recessive
  • C.1176_1198del
  • COL9A3
  • Homozygous mutation
  • Stickler syndrome

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics
  • Medicine(all)

Cite this

Autosomal recessive stickler syndrome due to a loss of function mutation in the COL9A3 gene. / Faletra, Flavio; D'Adamo, Adamo P.; Bruno, Irene; Athanasakis, Emmanouil; Biskup, Saskia; Esposito, Laura; Gasparini, Paolo.

In: American Journal of Medical Genetics, Part A, Vol. 164, No. 1, 01.2014, p. 42-47.

Research output: Contribution to journalArticle

Faletra, Flavio ; D'Adamo, Adamo P. ; Bruno, Irene ; Athanasakis, Emmanouil ; Biskup, Saskia ; Esposito, Laura ; Gasparini, Paolo. / Autosomal recessive stickler syndrome due to a loss of function mutation in the COL9A3 gene. In: American Journal of Medical Genetics, Part A. 2014 ; Vol. 164, No. 1. pp. 42-47.
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