Mutations in GALNT3, encoding a protein involved in O-linked glycosylation, cause familial tumoral calcinosis

  • Orit Topaz
  • , Daniel L. Shurman
  • , Reuven Bergman
  • , Margarita Indelman
  • , Paulina Ratajczak
  • , Mordechai Mizrachi
  • , Ziad Khamaysi
  • , Doron Behar
  • , Dan Petronius
  • , Vered Friedman
  • , Israel Zelikovic
  • , Sharon Raimer
  • , Arieh Metzker
  • , Gabriele Richard
  • , Eli Sprecher

Research output: Contribution to journalArticlepeer-review

Abstract

Familial tumoral calcinosis (FTC; OMIM 211900) is a severe autosomal recessive metabolic disorder that manifests with hyperphosphatemia and massive calcium deposits in the skin and subcutaneous tissues. Using linkage analysis, we mapped the gene underlying FTC to 2q24-q31. This region includes the gene GALNT3, which encodes a glycosyltransferase responsible for initiating mucin-type O-glycosylation. Sequence analysis of GALNT3 identified biallelic deleterious mutations in all individuals with FTC, suggesting that defective post-translational modification underlies the disease.

Original languageEnglish (US)
Pages (from-to)579-581
Number of pages3
JournalNature Genetics
Volume36
Issue number6
DOIs
StatePublished - Jun 2004
Externally publishedYes

ASJC Scopus subject areas

  • Genetics

Fingerprint

Dive into the research topics of 'Mutations in GALNT3, encoding a protein involved in O-linked glycosylation, cause familial tumoral calcinosis'. Together they form a unique fingerprint.

Cite this