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GENETIC RISK FACTORS IN ACUTE CENTRAL SEROUS CHORIORETINOPATHY

Mohabati, Danial, MD*,†; Schellevis, Rosa L., MSc; van Dijk, Elon H. C., MD*; Altay, Lebriz, MD§; Fauser, Sascha, MD, PhD§; Hoyng, Carel B., MD, PhD; De Jong, Eiko K., PhD; Boon, Camiel J. F., MD, PhD*,¶; Yzer, Suzanne, MD, PhD**

doi: 10.1097/IAE.0000000000002333
Original Study: PDF Only

Purpose: To investigate genetic associations in white patients with acute central serous chorioretinopathy (aCSC) and to assess genetic differences between aCSC and chronic CSC (cCSC).

Methods: A total of 135 aCSC patients, 272 cCSC patients, and 1,385 control individuals were included. Eight single nucleotide polymorphisms were genotyped for ARMS2 (rs10490924), CFH (rs800292, rs1061170, rs1065489, rs1329428, rs2284664, rs3753394), and NR3C2 (rs2070951). Also, C4B gene copy numbers were analyzed.

Results: Three single nucleotide polymorphisms in the CFH gene were significantly associated with aCSC: rs800292 (P = 0.003, odds ratio = 1.53 [95% confidence interval = 1.15–2.03]), rs1061170 (P = 0.002, odds ratio = 0.64 [95% confidence interval = 0.48–0.86]), and rs1329428 (P = 5.87 × 10−6, odds ratio = 1.83 [95% confidence interval = 1.40–2.38]). A significant difference was found in the distribution of C4B gene copy numbers in aCSC patients compared with controls (P = 0.0042). No differences could be found among the selected variants between aCSC and cCSC patients.

Conclusion: Three variants in the CFH gene and copy number variations in C4B were found to be significantly associated with the risk of aCSC development. Despite the differences in clinical presentation, acute and chronic CSC may share a similar genetic predisposition based on our present analysis. Other genetic and/or nongenetic risk factors may be more influential in the differentiation toward an acute or a chronic phenotype of CSC.

Three variants in the CFH gene and copy numbers of C4B were found to be significantly associated with the risk of acute central serous chorioretinopathy in whites. Acute and chronic central serous chorioretinopathy may share a similar genetic predisposition based on the tested genetic variants in ARMS2, CFH, and NR3C2 genes, and copy numbers of the C4B gene.

*Department of Ophthalmology, Leiden University Medical Center, Leiden, the Netherlands;

Department of Ophthalmology, Rotterdam Ophthalmic Institute, Rotterdam, the Netherlands;

Department of Ophthalmology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands;

§Department of Ophthalmology, University Hospital of Cologne, Cologne, Germany;

Department of Ophthalmology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands; and

**Department of Ophthalmology, Rotterdam Eye Hospital, Rotterdam, the Netherlands.

Reprint requests: Suzanne Yzer, MD, PhD, Department of Ophthalmology, Rotterdam Eye Hospital, 3011 BH Rotterdam, the Netherlands; e-mail: S.Yzer@oogziekenhuis.nl

Supported by the following funding sources: Stichting Leids Oogheelkundig Ondersteuningsfonds, Rotterdamse Stichting Blindenbelangen, Stichting Wetenschappelijk Onderzoek Het Oogziekenhuis, Macula Fonds, Landelijke Stichting voor Blinden en Slechtzienden, Retina Netherlands, and BlindenPenning. C. J. F. Boon was supported by a Gisela Thier Fellowship from Leiden University and a ZonMw Veni grant from the Netherlands Organization for Scientific Research (NWO). These sponsors and funding organizations played no role in the design or conduct of this research.

None of the authors has any financial/conflicting interests to disclose.

D. Mohabati and R. L. Schellevis have contributed equally.

Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.retinajournal.com).

C. J. F. Boon and S. Yzer are shared last authors.

© 2018 by Ophthalmic Communications Society, Inc.