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- Title
Confirmation of the Adult-Onset Primary Open Angle Glaucoma Locus GLC1B at 2cen-q13 in an Australian Family.
- Authors
Charlesworth, Jac C.; Stankovich, James M.; Mackey, David A.; Craig, Jamie E.; Haybittel, Michael; Westmore, Rodney N.; Sale, Michèle M.
- Abstract
Primary open-angle glaucoma (POAG) is genetically heterogeneous, with 6 named POAG loci GLC1A-F mapped and genes myocilin (MYOC) and optineurin (OPTN) identified at 2 of the loci. Using penetrance-model-free methods, we screened the POAG loci GLC1A-F in an extended Australian pedigree, using 3-5 markers within each locus. p values of less than 0.05 were obtained empirically using SimWalk2 and exactly using Genehunter for 2 markers within the GLC1B region on chromosome 2. Fine mapping of this region produced pvalues of 0.01 or less at 5 markers flanked by D2S1897 and D2S2269. The 9 cM haplotype of interest overlaps the original GLC1B region. These results provide supportive evidence for the GLC1B locus on chromosome 2cen-q13 and verify the existence of POAG susceptibility gene in this region, increasing the likelihood of gene identification. Copyright © 2006 S. Karger AG, Basel
- Publication
Ophthalmologica, 2006, Vol 220, Issue 1, p23
- ISSN
0030-3755
- Publication type
Article
- DOI
10.1159/000089271