Publications by authors named "Douglas E Gaasterland"

Article Synopsis
  • Primary open-angle glaucoma is more common and severe in people of African descent compared to those of European or Asian ancestry, yet they are often overlooked in genetic research on this condition.
  • The study conducts a genome-wide association study (GWAS) involving nearly 10,000 participants from various countries to identify genetic links to the disease.
  • Results suggest significant genetic variants associated with primary open-angle glaucoma, highlighting the need for more focused research on affected populations for better understanding and treatment options.
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Primary open angle glaucoma (POAG), a major cause of blindness worldwide, is a complex disease with a significant genetic contribution. We performed Exome Array (Illumina) analysis on 3504 POAG cases and 9746 controls with replication of the most significant findings in 9173 POAG cases and 26 780 controls across 18 collections of Asian, African and European descent. Apart from confirming strong evidence of association at CDKN2B-AS1 (rs2157719 [G], odds ratio [OR] = 0.

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Purpose: Multiple genes have been associated with primary open angle glaucoma (POAG) in Caucasian populations. We now examine the association of these loci in populations of African ancestry, populations at particularly high risk for POAG.

Methods: We genotyped DNA samples from two populations: African American (1150 cases and 999 controls) and those from Ghana, West Africa (483 cases and 593 controls).

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DNA copy number variants (CNVs) have been reported in many human diseases including autism and schizophrenia. Primary Open Angle Glaucoma (POAG) is a complex adult-onset disorder characterized by progressive optic neuropathy and vision loss. Previous studies have identified rare CNVs in POAG; however, their low frequencies prevented formal association testing.

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Purpose: To determine the least worsening of a visual field (VF) and the least number of confirming tests needed to identify progression of glaucomatous VF defects.

Design: Cohort study of participants in a clinical trial.

Participants: Seven hundred fifty-two eyes of 565 patients with advanced glaucoma.

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Purpose: To describe a method to determine progression of glaucoma based on visual field thresholds.

Design: Observational retrospective longitudinal cohort study.

Methods: A back propagation neural network with three hidden layers was developed with commercial software.

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Purpose: The Ocular Hypertension Treatment Study (OHTS) seeks to evaluate the safety and efficacy of topical ocular hypotensive medication in preventing or delaying the onset of visual field loss and/or optic nerve damage in ocular hypertensive subjects at risk for developing primary open-angle glaucoma. This study evaluates the baseline visual field test characteristics (visual field status, reliability properties, etc.) of patients who underwent eligibility visual field testing for entry to the OHTS.

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