A recurrent RNA-splicing mutation in the SEDL gene causes X-linked spondyloepiphyseal dysplasia tarda

George E. Tiller, Vickie L. Hannig, Damon Dozier, Laura Carrel, Karrie C. Trevarthen, William R. Wilcox, Stefan Mundlos, Jonathan L. Haines, Agi K. Gedeon, Jozef Gecz

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Abstract

Spondyloepiphyseal dysplasia tarda (SEDL) is a genetically heterogeneous disorder characterized by mild-to-moderate short stature and early-onset osteoarthritis. Both autosomal and X-linked forms have been described. Elsewhere, we have reported the identification of the gene for the X-linked recessive form, which maps to Xp22.2. We now report characterization of an exon-skipping mutation (IVS3+5G→A at the intron 3 splice-donor site) in two unrelated families with SEDL. Using reverse transcriptase (RT)-PCR, we demonstrated that the mutation resulted in elimination of the first 31 codons of the open reading frame. The mutation was not detected in 120 control X chromosomes. Articular cartilage from an adult who had SEDL and carried this mutation contained chondrocytes with abundant Golgi complexes and dilated rough endoplasmic reticulum (ER). RT-PCR experiments using mouse/human cell hybrids revealed that the SEDL gene escapes X inactivation. Homologues of the SEDL gene include a transcribed retropseudogene on chromosome 19, as well as expressed genes in mouse, rat, Drosophila melanogaster Caenorhabditis elegans, and Saccharomyces cerevisiae. The latter homologue, p20, has a putative role in vesicular transport from ER to Golgi complex. These data suggest that SEDL mutations may perturb an intracellular pathway that is important for cartilage homeostasis.

Original languageEnglish (US)
Pages (from-to)1398-1407
Number of pages10
JournalAmerican Journal of Human Genetics
Volume68
Issue number6
DOIs
StatePublished - Jan 1 2001

Fingerprint

Osteochondrodysplasias
RNA Splicing
Mutation
Genes
RNA Splice Sites
Golgi Apparatus
Reverse Transcriptase Polymerase Chain Reaction
Chromosomes, Human, Pair 19
X Chromosome Inactivation
X-Linked Genes
Rough Endoplasmic Reticulum
Hybrid Cells
Caenorhabditis elegans
X Chromosome
Articular Cartilage
Chondrocytes
Drosophila melanogaster
Codon
Osteoarthritis
Endoplasmic Reticulum

All Science Journal Classification (ASJC) codes

  • Genetics
  • Genetics(clinical)

Cite this

Tiller, G. E., Hannig, V. L., Dozier, D., Carrel, L., Trevarthen, K. C., Wilcox, W. R., ... Gecz, J. (2001). A recurrent RNA-splicing mutation in the SEDL gene causes X-linked spondyloepiphyseal dysplasia tarda. American Journal of Human Genetics, 68(6), 1398-1407. https://doi.org/10.1086/320594
Tiller, George E. ; Hannig, Vickie L. ; Dozier, Damon ; Carrel, Laura ; Trevarthen, Karrie C. ; Wilcox, William R. ; Mundlos, Stefan ; Haines, Jonathan L. ; Gedeon, Agi K. ; Gecz, Jozef. / A recurrent RNA-splicing mutation in the SEDL gene causes X-linked spondyloepiphyseal dysplasia tarda. In: American Journal of Human Genetics. 2001 ; Vol. 68, No. 6. pp. 1398-1407.
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abstract = "Spondyloepiphyseal dysplasia tarda (SEDL) is a genetically heterogeneous disorder characterized by mild-to-moderate short stature and early-onset osteoarthritis. Both autosomal and X-linked forms have been described. Elsewhere, we have reported the identification of the gene for the X-linked recessive form, which maps to Xp22.2. We now report characterization of an exon-skipping mutation (IVS3+5G→A at the intron 3 splice-donor site) in two unrelated families with SEDL. Using reverse transcriptase (RT)-PCR, we demonstrated that the mutation resulted in elimination of the first 31 codons of the open reading frame. The mutation was not detected in 120 control X chromosomes. Articular cartilage from an adult who had SEDL and carried this mutation contained chondrocytes with abundant Golgi complexes and dilated rough endoplasmic reticulum (ER). RT-PCR experiments using mouse/human cell hybrids revealed that the SEDL gene escapes X inactivation. Homologues of the SEDL gene include a transcribed retropseudogene on chromosome 19, as well as expressed genes in mouse, rat, Drosophila melanogaster Caenorhabditis elegans, and Saccharomyces cerevisiae. The latter homologue, p20, has a putative role in vesicular transport from ER to Golgi complex. These data suggest that SEDL mutations may perturb an intracellular pathway that is important for cartilage homeostasis.",
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Tiller, GE, Hannig, VL, Dozier, D, Carrel, L, Trevarthen, KC, Wilcox, WR, Mundlos, S, Haines, JL, Gedeon, AK & Gecz, J 2001, 'A recurrent RNA-splicing mutation in the SEDL gene causes X-linked spondyloepiphyseal dysplasia tarda', American Journal of Human Genetics, vol. 68, no. 6, pp. 1398-1407. https://doi.org/10.1086/320594

A recurrent RNA-splicing mutation in the SEDL gene causes X-linked spondyloepiphyseal dysplasia tarda. / Tiller, George E.; Hannig, Vickie L.; Dozier, Damon; Carrel, Laura; Trevarthen, Karrie C.; Wilcox, William R.; Mundlos, Stefan; Haines, Jonathan L.; Gedeon, Agi K.; Gecz, Jozef.

In: American Journal of Human Genetics, Vol. 68, No. 6, 01.01.2001, p. 1398-1407.

Research output: Contribution to journalArticle

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T1 - A recurrent RNA-splicing mutation in the SEDL gene causes X-linked spondyloepiphyseal dysplasia tarda

AU - Tiller, George E.

AU - Hannig, Vickie L.

AU - Dozier, Damon

AU - Carrel, Laura

AU - Trevarthen, Karrie C.

AU - Wilcox, William R.

AU - Mundlos, Stefan

AU - Haines, Jonathan L.

AU - Gedeon, Agi K.

AU - Gecz, Jozef

PY - 2001/1/1

Y1 - 2001/1/1

N2 - Spondyloepiphyseal dysplasia tarda (SEDL) is a genetically heterogeneous disorder characterized by mild-to-moderate short stature and early-onset osteoarthritis. Both autosomal and X-linked forms have been described. Elsewhere, we have reported the identification of the gene for the X-linked recessive form, which maps to Xp22.2. We now report characterization of an exon-skipping mutation (IVS3+5G→A at the intron 3 splice-donor site) in two unrelated families with SEDL. Using reverse transcriptase (RT)-PCR, we demonstrated that the mutation resulted in elimination of the first 31 codons of the open reading frame. The mutation was not detected in 120 control X chromosomes. Articular cartilage from an adult who had SEDL and carried this mutation contained chondrocytes with abundant Golgi complexes and dilated rough endoplasmic reticulum (ER). RT-PCR experiments using mouse/human cell hybrids revealed that the SEDL gene escapes X inactivation. Homologues of the SEDL gene include a transcribed retropseudogene on chromosome 19, as well as expressed genes in mouse, rat, Drosophila melanogaster Caenorhabditis elegans, and Saccharomyces cerevisiae. The latter homologue, p20, has a putative role in vesicular transport from ER to Golgi complex. These data suggest that SEDL mutations may perturb an intracellular pathway that is important for cartilage homeostasis.

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