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A hypomorphic variant in EYS detected by genome-wide association study contributes toward retinitis pigmentosa

Nishiguchi, Koji M. and Miya, Fuyuki and Mori, Yuka and Fujita, Kosuke and Akiyama, Masato and Kamatani, Takashi and Koyanagi, Yoshito and Sato, Kota and Takigawa, Toru and Ueno, Shinji and Tsugita, Misato and Kunikata, Hiroshi and Cisarova, Katarina and Nishino, Jo and Murakami, Akira and Abe, Toshiaki and Momozawa, Yukihide and Terasaki, Hiroko and Wada, Yuko and Sonoda, Koh-Hei and Rivolta, Carlo and Tsunoda, Tatsuhiko and Tsujikawa, Motokazu and Ikeda, Yasuhiro and Nakazawa, Toru. (2021) A hypomorphic variant in EYS detected by genome-wide association study contributes toward retinitis pigmentosa. Communications Biology, 4 (1). p. 140.

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Official URL: https://edoc.unibas.ch/81905/

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Abstract

The genetic basis of Japanese autosomal recessive retinitis pigmentosa (ARRP) remains largely unknown. Herein, we applied a 2-step genome-wide association study (GWAS) in 640 Japanese patients. Meta-GWAS identified three independent peaks at P < 5.0 × 10; -8; , all within the major ARRP gene EYS. Two of the three were each in linkage disequilibrium with a different low frequency variant (allele frequency A, p.G843E) of unknown significance. mRNA harboring c.2528 G > A failed to restore rhodopsin mislocalization induced by morpholino-mediated knockdown of eys in zebrafish, consistent with the variant being pathogenic. c.2528 G > A solved an additional 7.0% of Japanese ARRP cases. The third peak was in linkage disequilibrium with a common non-synonymous variant (c.7666 A > T, p.S2556C), possibly representing an unreported disease-susceptibility signal. GWAS successfully unraveled genetic causes of a rare monogenic disorder and identified a high frequency variant potentially linked to development of local genome therapeutics.
Faculties and Departments:03 Faculty of Medicine
09 Associated Institutions > Institute of Molecular and Clinical Ophthalmology Basel (IOB)
09 Associated Institutions > Institute of Molecular and Clinical Ophthalmology Basel (IOB) > Research Group Rivolta IOB
UniBasel Contributors:Rivolta, Carlo
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Springer Nature
e-ISSN:2399-3642
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
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Last Modified:17 Mar 2021 12:31
Deposited On:17 Mar 2021 12:31

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