Distribution of optineurin sequence variations in an ethnically diverse population of low-tension glaucoma patients from the United States.

Distribution of optineurin sequence variations in an ethnically diverse population of low-tension glaucoma patients from the United States. Research Abstract Details 

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Distribution of optineurin sequence variations in an ethnically diverse population of low-tension glaucoma patients from the United States. Abstract Text:

Michael A Hauser,Dayse Figueiredo Sena,Jason Flor,Jeff Walter,Josette Auguste,Karen Larocque-Abramson,Felicia Graham,Elizabeth Delbono,Jonathan L Haines,Margaret A Pericak-Vance,R Rand Allingham,Janey L Wiggs,

PURPOSE: Previous studies have suggested that Optineurin (OPTN) sequence variants contribute to low-tension glaucoma (LTG) in ethnically homogeneous populations. The purpose of this study is to evaluate the prevalence of OPTN sequence variants in an ethnically diverse population of LTG patients from the United States, and to describe the phenotype of patients with OPTN sequence variants preferentially found in LTG patients. METHODS: Genomic DNA purified from 67 LTG patients was screened for DNA sequence variants located in the exons and flanking introns of the OPTN gene using high-performance liquid chromatography analysis and direct genomic DNA sequencing. Eighty-six primary open-angle glaucoma probands and 100 control patients were also analyzed. RESULTS: Nine OPTN DNA sequence variants were identified in this patient population including the 2 previously identified heterozygous nonsynonymous single-nucleotide polymorphisms in exons 4 and 5. Four LTG patients with severe disease and positive family history of glaucoma, were found to have DNA sequence changes not found in primary open-angle glaucoma probands or control individuals including the previously reported E50K variation. CONCLUSIONS: The results of this study support the rare association of OPTN sequence variants with familial forms of LTG. The E50K mutation seems to be associated with a severe form of LTG, and although rare, the identification of this sequence variant in patients at risk may help direct appropriate therapy.

Distribution of optineurin sequence variations in an ethnically diverse population of low-tension glaucoma patients from the United States. Publishing Authors By Initials

MA Hauser,DF Sena,J Flor,J Walter,J Auguste,K Larocque-Abramson,F Graham,E Delbono,JL Haines,MA Pericak-Vance,R Rand Allingham,JL Wiggs,

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Distribution of optineurin sequence variations in an ethnically diverse population of low-tension glaucoma patients from the United States. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Journal of glaucoma

VOLUME: 15

Page Numbers: 358-63

Journal Abbreviation:

ISSN: 1057-0829

DAY: 3

MONTH: Oct

YEAR: 2006

Distribution of optineurin sequence variations in an ethnically diverse population of low-tension glaucoma patients from the United States. Information

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LANGUAGE: eng

NlmUniqueID: 9300903

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AFFILIATION: Center for Human Genetics Duke School of Medicine, Harvard Medical School, Boston, MA 02114, USA.

Country: United States

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MEDLINETA: J Glaucoma

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