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Molecular genetics & genomic medicine, 2019-08, Vol.7 (8), p.e774-n/a
2019
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Details

Autor(en) / Beteiligte
Titel
Primary congenital glaucoma due to paternal uniparental isodisomy of chromosome 2 and CYP1B1 deletion
Ist Teil von
  • Molecular genetics & genomic medicine, 2019-08, Vol.7 (8), p.e774-n/a
Ort / Verlag
United States: John Wiley & Sons, Inc
Erscheinungsjahr
2019
Quelle
Access via Wiley Online Library
Beschreibungen/Notizen
  • Background CYP1B1 variants and deletions are the most common cause of primary congenital glaucoma (PCG). Methods We investigated an individual with PCG from the Australian and New Zealand Registry of Advanced Glaucoma. We performed sequencing of the CYP1B1 gene, followed by Multiplex Ligation‐dependent Probe Amplification and SNP array. Results We identified a homozygous deletion of the CYP1B1 gene by Multiplex Ligation‐dependent Probe Amplification and confirmed that the father was heterozygous for a CYP1B1 deletion but the mother had normal gene copy number. SNP array identified paternal uniparental isodisomy of the entire chromosome 2. Conclusions This study is the first report of a homozygous CYP1B1 whole gene deletion due to paternal uniparental isodisomy of chromosome 2 as a cause of PCG. These results illustrate the importance of genetic testing in providing appropriate genetic counseling regarding the risks of recurrence. We report an individual with primary congenital glaucoma from the Australian and New Zealand Registry of Advanced Glaucoma with a homozygous deletion of the CYP1B1 gene due to paternal uniparental isodisomy of chromosome 2.

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