A novel deletion mutation involving TMEM38B in a patient with autosomal recessive osteogenesis imperfecta

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Abstract

Osteogenesis imperfecta (OI) is a hereditary bone disease characterized by decreased bone density and multiple fractures, usually inherited in an autosomal dominant manner. Several gene encoding proteins related to collagen metabolism have been described in some cases of autosomal recessive OI (including CRTAP, LEPRE1, PPIB, FKBP65, SERPINF1, BMP1, WNT1, FKBP10). Recently, TMEM38B, a gene that encodes TRIC-B, a monovalent cation-specific channel involved in calcium flux from intracellular stores and in cell differentiation, has been associated with autosomal recessive OI. Here, we describe the second deletion-mutation involving the TMEM38B gene in an 11. year-old Albanian female with a clinical phenotype of OI, born to parents with suspected consanguinity. SNP array analysis revealed a homozygous region larger than 2. Mb that overlapped with the TMEM38B locus and was characterized by a 35. kb homozygous deletion involving exons 1 and 2 of TMEM38B gene.

Original languageEnglish
Pages (from-to)290-292
Number of pages3
JournalGene
Volume545
Issue number2
DOIs
Publication statusPublished - Jul 25 2014

Keywords

  • AR
  • Homozygous deletion
  • OI
  • SNP array
  • TMEM38B

ASJC Scopus subject areas

  • Genetics

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