Aniridia due to a novel microdeletion affecting PAX6 regulatory enhancers: case report and review of the literature
Aniridia is a rare congenital ocular malformation that follows an autosomal dominant mode of inheritance. Most patients carry pathogenic point mutations in the paired box 6 gene (PAX6), but some carry deletions involving the 11p13 region, encompassing partly or completely PAX6 or the region downstream. We identified a novel deletion,∼564 kb in size located about 46.5 kb downstream of PAX6 in a family with bilateral aniridia and foveal hypoplasia using array-CGH and multiplex ligation-dependent probe amplification. We also reviewall of the reported deletions downstream of PAX6 in patients with aniridia and/or other congenitalmalformations and define the overlapping region that leads to aniridia when deleted.
ANDREAS SYRIMIS1 NAYIA NICOLAOU1 ANGELOS ALEXANDROU2 IOANNIS PAPAEVRIPIDOU2 MICHAEL NICOLAOU1 ELENI LOUKIANOU3 VIOLETTA CHRISTOPHIDOU-ANASTASIADOU1 4 STAVROS MALAS5 CAROLINA SISMANI2 GEORGE A. TANTELES1
Volume 100, 2021
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