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Eur J Hum Genet. 2015 Mar;23(3):342-6. doi: 10.1038/ejhg.2014.107. Epub 2014 Jul 2.

Mutations in COL27A1 cause Steel syndrome and suggest a founder mutation effect in the Puerto Rican population.

Author information

1
Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.
2
Department of Pediatrics, UT Health Medical School, Houston, TX, USA.
3
Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA.
4
1] Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA [2] Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA.
5
1] Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA [2] Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA [3] Texas Children's Hospital, Houston, TX, USA [4] Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA.

Abstract

Osteochondrodysplasias represent a large group of developmental structural disorders that can be caused by mutations in a variety of genes responsible for chondrocyte development, differentiation, mineralization and early ossification. The application of whole-exome sequencing to disorders apparently segregating as Mendelian traits has proven to be an effective approach to disease gene identification for conditions with unknown molecular etiology. We identified a homozygous missense variant p.(Gly697Arg) in COL27A1, in a family with Steel syndrome and no consanguinity. Interestingly, the identified variant seems to have arisen as a founder mutation in the Puerto Rican population.

PMID:
24986830
PMCID:
PMC4326704
DOI:
10.1038/ejhg.2014.107
[Indexed for MEDLINE]
Free PMC Article

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