Mutations in SEC24D, encoding a component of the COPII machinery, cause a syndromic form of osteogenesis imperfecta

Lutz Garbes, Kyungho Kim, Angelika Rieß, Heike Hoyer-Kuhn, Filippo Beleggia, Andrea Bevot, Mi Jeong Kim, Yang Hoon Huh, Hee Seok Kweon, Ravi Savarirayan, David Amor, Purvi M. Kakadia, Tobias Lindig, Karl Oliver Kagan, Jutta Becker, Simeon Boyd, Bernd Wollnik, Oliver Semler, Stefan K. Bohlander, Jinoh Kim & 1 others Christian Netzer

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Abstract

As a result of a whole-exome sequencing study, we report three mutant alleles in SEC24D, a gene encoding a component of the COPII complex involved in protein export from the ER: the truncating mutation c.613C>T (p.Gln205) and the missense mutations c.3044C>T (p.Ser1015Phe, located in a cargo-binding pocket) and c.2933A>C (p.Gln978Pro, located in the gelsolin-like domain). Three individuals from two families affected by a similar skeletal phenotype were each compound heterozygous for two of these mutant alleles, with c.3044C>T being embedded in a 14 Mb founder haplotype shared by all three. The affected individuals were a 7-year-old boy with a phenotype most closely resembling Cole-Carpenter syndrome and two fetuses initially suspected to have a severe type of osteogenesis imperfecta. All three displayed a severely disturbed ossification of the skull and multiple fractures with prenatal onset. The 7-year-old boy had short stature and craniofacial malformations including macrocephaly, midface hypoplasia, micrognathia, frontal bossing, and down-slanting palpebral fissures. Electron and immunofluorescence microscopy of skin fibroblasts of this individual revealed that ER export of procollagen was inefficient and that ER tubules were dilated, faithfully reproducing the cellular phenotype of individuals with cranio-lentico-sutural dysplasia (CLSD). CLSD is caused by SEC23A mutations and displays a largely overlapping craniofacial phenotype, but it is not characterized by generalized bone fragility and presented with cataracts in the original family described. The cellular and morphological phenotypes we report are in concordance with the phenotypes described for the Sec24d-deficient fish mutants vbi (medaka) and bulldog (zebrafish).

Original languageEnglish (US)
Pages (from-to)432-439
Number of pages8
JournalAmerican Journal of Human Genetics
Volume96
Issue number3
DOIs
StatePublished - Mar 5 2015

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Osteogenesis Imperfecta
Phenotype
Mutation
Micrognathism
Alleles
Megalencephaly
Gelsolin
Oryzias
Exome
Skull Fractures
Procollagen
Zebrafish
Eyelids
Missense Mutation
Fluorescence Microscopy
Osteogenesis
Cataract
Haplotypes
Electron Microscopy
Fishes

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Mutations in SEC24D, encoding a component of the COPII machinery, cause a syndromic form of osteogenesis imperfecta. / Garbes, Lutz; Kim, Kyungho; Rieß, Angelika; Hoyer-Kuhn, Heike; Beleggia, Filippo; Bevot, Andrea; Kim, Mi Jeong; Huh, Yang Hoon; Kweon, Hee Seok; Savarirayan, Ravi; Amor, David; Kakadia, Purvi M.; Lindig, Tobias; Kagan, Karl Oliver; Becker, Jutta; Boyd, Simeon; Wollnik, Bernd; Semler, Oliver; Bohlander, Stefan K.; Kim, Jinoh; Netzer, Christian.

In: American Journal of Human Genetics, Vol. 96, No. 3, 05.03.2015, p. 432-439.

Research output: Contribution to journalArticle

Garbes, L, Kim, K, Rieß, A, Hoyer-Kuhn, H, Beleggia, F, Bevot, A, Kim, MJ, Huh, YH, Kweon, HS, Savarirayan, R, Amor, D, Kakadia, PM, Lindig, T, Kagan, KO, Becker, J, Boyd, S, Wollnik, B, Semler, O, Bohlander, SK, Kim, J & Netzer, C 2015, 'Mutations in SEC24D, encoding a component of the COPII machinery, cause a syndromic form of osteogenesis imperfecta', American Journal of Human Genetics, vol. 96, no. 3, pp. 432-439. https://doi.org/10.1016/j.ajhg.2015.01.002
Garbes, Lutz ; Kim, Kyungho ; Rieß, Angelika ; Hoyer-Kuhn, Heike ; Beleggia, Filippo ; Bevot, Andrea ; Kim, Mi Jeong ; Huh, Yang Hoon ; Kweon, Hee Seok ; Savarirayan, Ravi ; Amor, David ; Kakadia, Purvi M. ; Lindig, Tobias ; Kagan, Karl Oliver ; Becker, Jutta ; Boyd, Simeon ; Wollnik, Bernd ; Semler, Oliver ; Bohlander, Stefan K. ; Kim, Jinoh ; Netzer, Christian. / Mutations in SEC24D, encoding a component of the COPII machinery, cause a syndromic form of osteogenesis imperfecta. In: American Journal of Human Genetics. 2015 ; Vol. 96, No. 3. pp. 432-439.
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T1 - Mutations in SEC24D, encoding a component of the COPII machinery, cause a syndromic form of osteogenesis imperfecta

AU - Garbes, Lutz

AU - Kim, Kyungho

AU - Rieß, Angelika

AU - Hoyer-Kuhn, Heike

AU - Beleggia, Filippo

AU - Bevot, Andrea

AU - Kim, Mi Jeong

AU - Huh, Yang Hoon

AU - Kweon, Hee Seok

AU - Savarirayan, Ravi

AU - Amor, David

AU - Kakadia, Purvi M.

AU - Lindig, Tobias

AU - Kagan, Karl Oliver

AU - Becker, Jutta

AU - Boyd, Simeon

AU - Wollnik, Bernd

AU - Semler, Oliver

AU - Bohlander, Stefan K.

AU - Kim, Jinoh

AU - Netzer, Christian

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