Yayınlanmış 1 Ocak 2018 | Sürüm v1
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Homozygous CHST11 mutation in chondrodysplasia, brachydactyly, overriding digits, clino-symphalangism and synpolydactyly

  • 1. Quaid I Azam Univ, Dept Anim Sci, Fac Biol Sci, Human Genet Program, Islamabad, Pakistan
  • 2. Bogazici Univ, Dept Mol Biol & Genet, TR-34342 Istanbul, Turkey
  • 3. Inst Biomed & Genet Engn, Islamabad, Pakistan

Açıklama

Background Carbohydrate sulfotransferase 11 (CHST11) is a membrane protein of Golgi that catalyses the transfer of sulfate to position 4 of the N-acetylgalactosamine residues of chondroitin. Chondroitin sulfate is the predominant proteoglycan in cartilage, and its sulfation is important in the developing growth plate of cartilage. A homozygous deletion encompassing part of the gene and the embedded miRNA MIR3922 had been detected in a woman with hand/foot malformation and malignant lymphoproliferative disease. Chst11-deficient mouse has severe chondrodysplasia, congenital arthritis and neonatal lethality. We searched for the causative variant for the unusual combination of limb malformations with variable expressivity accompanied by skeletal defects in a consanguineous Pakistani kindred.

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