Optineurin coding variants in Ghanaian patients with primary open-angle glaucoma

Yutao Liu, Stephen Akafo, Cecile Santiago-Turla, Claudia S. Cohen, Karen R. LaRocque-Abramson, Xuejun Qin, Leon W. Herndon, Pratap Challa, Silke Schmidt, Michael A. Hauser, R. Rand Allingham

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Purpose: Coding variants in the optineurin gene (OPTN, GLC1E) have been reported to play a role in primary open-angle glaucoma (POAG) in various populations. This study investigated the role of OPTN sequence variants in patients with POAG in Ghana (West Africa). Methods: This is a case-control study of unrelated Ghanaian POAG cases and non-glaucomatous controls. Ascertainment criteria for POAG included the presence of glaucomatous optic nerve neuropathy, associated visual field loss, and elevated intraocular pressure (IOP) in both eyes, all in the absence of secondary causes of glaucoma. Controls had normal optic nerves, visual fields, and IOP. All the coding exons of OPTN were polymerase chain reaction (PCR) amplified and sequenced in all 140 cases and 130 controls using an ABI 3730 DNA analyzer. Results: All the coding exons of OPTN were sequenced in 140 POAG patients and 130 controls. Several coding variants were identified including M98K, A134A, V147L, P292P, A301G, S321S, and E322K. Three coding variants (V147L, P292P, and A301G) have not been reported previously. There were no significant differences on the frequencies of all the identified variants between POAG cases and controls in this population. Conclusions: This is the first comprehensive study of OPTN in a single West African population. Our results suggest that coding variants in OPTN may not contribute to the risk for POAG in persons of West African descent.

Original languageEnglish (US)
Pages (from-to)2367-2372
Number of pages6
JournalMolecular Vision
Volume14
StatePublished - Dec 18 2008

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Optic Nerve
Visual Fields
Intraocular Pressure
Exons
Population
Optic Nerve Diseases
Ghana
Western Africa
Primary Open Angle Glaucoma
Glaucoma
Case-Control Studies
Polymerase Chain Reaction
DNA
Genes

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Liu, Y., Akafo, S., Santiago-Turla, C., Cohen, C. S., LaRocque-Abramson, K. R., Qin, X., ... Allingham, R. R. (2008). Optineurin coding variants in Ghanaian patients with primary open-angle glaucoma. Molecular Vision, 14, 2367-2372.

Optineurin coding variants in Ghanaian patients with primary open-angle glaucoma. / Liu, Yutao; Akafo, Stephen; Santiago-Turla, Cecile; Cohen, Claudia S.; LaRocque-Abramson, Karen R.; Qin, Xuejun; Herndon, Leon W.; Challa, Pratap; Schmidt, Silke; Hauser, Michael A.; Allingham, R. Rand.

In: Molecular Vision, Vol. 14, 18.12.2008, p. 2367-2372.

Research output: Contribution to journalArticle

Liu, Y, Akafo, S, Santiago-Turla, C, Cohen, CS, LaRocque-Abramson, KR, Qin, X, Herndon, LW, Challa, P, Schmidt, S, Hauser, MA & Allingham, RR 2008, 'Optineurin coding variants in Ghanaian patients with primary open-angle glaucoma', Molecular Vision, vol. 14, pp. 2367-2372.
Liu Y, Akafo S, Santiago-Turla C, Cohen CS, LaRocque-Abramson KR, Qin X et al. Optineurin coding variants in Ghanaian patients with primary open-angle glaucoma. Molecular Vision. 2008 Dec 18;14:2367-2372.
Liu, Yutao ; Akafo, Stephen ; Santiago-Turla, Cecile ; Cohen, Claudia S. ; LaRocque-Abramson, Karen R. ; Qin, Xuejun ; Herndon, Leon W. ; Challa, Pratap ; Schmidt, Silke ; Hauser, Michael A. ; Allingham, R. Rand. / Optineurin coding variants in Ghanaian patients with primary open-angle glaucoma. In: Molecular Vision. 2008 ; Vol. 14. pp. 2367-2372.
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