نتایج جستجو برای: microphthalmia
تعداد نتایج: 1639 فیلتر نتایج به سال:
Anomalies of eye development can lead to the rare eye malformations microphthalmia and anophthalmia (small or absent ocular globes), which are genetically very heterogeneous. Several genes have been associated with microphthalmia and anophthalmia, and exome sequencing has contributed to the identification of new genes. Very recently, homozygous variations within ALDH1A3 have been associated wit...
BACKGROUND Congenital microphthalmia (OMIM: 309700) may occur in isolation or in association with a variety of systemic malformations. Isolated microphthalmia may be inherited as an autosomal dominant, an autosomal recessive, or an X linked trait. METHODS Based on a whole genome linkage analysis, in a six generation consanguineous family with autosomal recessive inheritance, the first locus f...
Microphthalmia in sheep is an autosomal recessive inherited congenital anomaly found within the Texel breed. It is characterized by extremely small or absent eyes and affected lambs are absolutely blind. For the first time, we use a genome-wide ovine SNP array for positional cloning of a Mendelian trait in sheep. Genotyping 23 cases and 23 controls using Illumina's OvineSNP50 BeadChip allowed u...
Anophthalmia and microphthalmia are important birth defects, but their pathogenesis remains incompletely understood. We studied a patient with severe unilateral microphthalmia who had a 2.7 Mb deletion at chromosome 18q22.1 that was inherited from his mother. In-situ hybridization showed that one of the deleted genes, TMX3, was expressed in the retinal neuroepithelium and lens epithelium in the...
The association of microphthalmia and linear skin defects was named microphthalmia with linear skin defects syndrome (MLS) or MIDAS syndrome (microphthalmia, dermal aplasia, and sclerocornea), an X-chromosomal disorder manifesting mainly in females. We examined a female newborn with facial linear skin defects following the Blaschko lines. Computer tomography and ophthalmological examination con...
microphthalmia is defined as a globe with a total axial length that is at least two standard deviations below the mean for age. it may be isolated or part of a syndrome with other associated anomalies. causes can be divided into environmental, heritable or unknown. some researchers believe that microphthalmia and anophthalmia belong to one family. unilateral and bilateral anophtalmia have been ...
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