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Goto K, Koyanagi Y, Akiyama M, Murakami Y, Fukushima M, Fujiwara K, Iijima H, Yamaguchi M, Endo M, Hashimoto K, Ishizu M, Hirakata T, Mizobuchi K, Takayama M, Ota J, Sajiki AF, Kominami T, Ushida H, Fujita K, Kaneko H, Ueno S, Hayashi T, Terao C, Hotta Y, Murakami A, Kuniyoshi K, Kusaka S, Wada Y, Abe T, Nakazawa T, Ikeda Y, Momozawa Y, Sonoda KH, Nishiguchi KM. Disease-specific variant interpretation highlighted the genetic findings in 2325 Japanese patients with retinitis pigmentosa and allied diseases. J Med Genet 2024:jmg-2023-109750. [PMID: 38499336 DOI: 10.1136/jmg-2023-109750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/02/2024] [Indexed: 03/20/2024]
Abstract
BACKGROUND As gene-specific therapy for inherited retinal dystrophy (IRD) advances, unified variant interpretation across institutes is becoming increasingly important. This study aims to update the genetic findings of 86 retinitis pigmentosa (RP)-related genes in a large number of Japanese patients with RP by applying the standardised variant interpretation guidelines for Japanese patients with IRD (J-IRD-VI guidelines) built upon the American College of Medical Genetics and Genomics and the Association for Molecular Pathology rules, and assess the contribution of these genes in RP-allied diseases. METHODS We assessed 2325 probands with RP (n=2155, including n=1204 sequenced previously with the same sequencing panel) and allied diseases (n=170, newly analysed), including Usher syndrome, Leber congenital amaurosis and cone-rod dystrophy (CRD). Target sequencing using a panel of 86 genes was performed. The variants were interpreted according to the J-IRD-VI guidelines. RESULTS A total of 3564 variants were detected, of which 524 variants were interpreted as pathogenic or likely pathogenic. Among these 524 variants, 280 (53.4%) had been either undetected or interpreted as variants of unknown significance or benign variants in our earlier study of 1204 patients with RP. This led to a genetic diagnostic rate in 38.6% of patients with RP, with EYS accounting for 46.7% of the genetically solved patients, showing a 9% increase in diagnostic rate from our earlier study. The genetic diagnostic rate for patients with CRD was 28.2%, with RP-related genes significantly contributing over other allied diseases. CONCLUSION A large-scale genetic analysis using the J-IRD-VI guidelines highlighted the population-specific genetic findings for Japanese patients with IRD; these findings serve as a foundation for the clinical application of gene-specific therapies.
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Affiliation(s)
- Kensuke Goto
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshito Koyanagi
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masato Akiyama
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Ocular Pathology and Imaging Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yusuke Murakami
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masatoshi Fukushima
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kohta Fujiwara
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hanae Iijima
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Kanagawa, Japan
| | - Mitsuyo Yamaguchi
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Kanagawa, Japan
| | - Mikiko Endo
- RIKEN Center for Integrative Medical Sciences, Kanagawa, Japan
| | - Kazuki Hashimoto
- Department of Ophthalmology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masataka Ishizu
- Department of Ophthalmology, University of Miyazaki Faculty of Medicine, Miyazaki, Japan
| | - Toshiaki Hirakata
- Department of Ophthalmology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Kei Mizobuchi
- Department of Ophthalmology, The Jikei University School of Medicine, Tokyo, Japan
| | - Masakazu Takayama
- Department of Ophthalmology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Junya Ota
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Ai Fujita Sajiki
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Taro Kominami
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hiroaki Ushida
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kosuke Fujita
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hiroki Kaneko
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shinji Ueno
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Department of Ophthalmology, Hirosaki University Graduate School of Medicine, Hisoraki, Japan
| | - Takaaki Hayashi
- Department of Ophthalmology, The Jikei University School of Medicine, Tokyo, Japan
| | - Chikashi Terao
- Laboratory for Statistical and Translational Genetics, RIKEN Center for Integrative Medical Sciences, Kanagawa, Japan
| | - Yoshihiro Hotta
- Department of Ophthalmology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Akira Murakami
- Department of Ophthalmology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Kazuki Kuniyoshi
- Department of Ophthalmology, Kindai University Faculty of Medicine, Osaka-sayama, Japan
| | - Shunji Kusaka
- Department of Ophthalmology, Kindai University Faculty of Medicine, Osaka-sayama, Japan
| | | | - Toshiaki Abe
- Division of Clinical Cell Therapy, Tohoku University Graduate School of Medicine United Centers for Advanced Research and Translational Medicine, Sendai, Japan
| | - Toru Nakazawa
- Department of Ophthalmology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yasuhiro Ikeda
- Department of Ophthalmology, University of Miyazaki Faculty of Medicine, Miyazaki, Japan
| | - Yukihide Momozawa
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Kanagawa, Japan
| | - Koh-Hei Sonoda
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Koji M Nishiguchi
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Sajiki AF, Koyanagi Y, Ushida H, Kawano K, Fujita K, Okuda D, Kawabe M, Yamada K, Suzumura A, Kachi S, Kaneko H, Komatsu H, Usui Y, Goto H, Nishiguchi KM. Association Between Torque Teno Virus and Systemic Immunodeficiency in Patients With Uveitis With a Suspected Infectious Etiology. Am J Ophthalmol 2023; 254:80-86. [PMID: 37356647 DOI: 10.1016/j.ajo.2023.06.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/27/2023] [Accepted: 06/03/2023] [Indexed: 06/27/2023]
Abstract
PURPOSE To determine the correlation between the presence of torque teno virus (TTV) in the aqueous humor of patients with uveitis and clinical information, including immunodeficiency history. DESIGN Multicenter, retrospective, cross-sectional study. METHODS Fifty-eight patients with uveitis with a suspected infectious etiology and 24 controls with cataract or age-related macular degeneration were included. We used quantitative polymerase chain reaction to test all subjects for TTV and multiplex polymerase chain reaction to test uveitis subjects for common ocular pathogens. When possible, both serum and aqueous humor samples were tested. Ocular TTV positivity was compared with age, sex, and a history of systemic immunodeficiency with logistic analysis. RESULTS Ocular TTV positivity was found in 23%, 11%, and 0% of patients with herpetic uveitis, nonherpetic uveitis, and controls, respectively. Among patients with herpes infection, positivity for ocular TTV was found in 43%, 8%, 14%, and 50% of patients with cytomegalovirus retinitis, iridocyclitis, acute retinal necrosis, and Epstein-Barr virus-positive uveitis, respectively. Patients with cytomegalovirus retinitis showed a significantly higher rate of ocular TTV infection than controls (P = .008). Serum analysis revealed TTV positivity in 90% of patients with uveitis and in 100% of controls. Age- and gender-adjusted logistic analysis revealed a correlation between ocular TTV positivity and systemic immunodeficiency (P = .01), but no correlations between ocular TTV and age, gender, or viral pathogenic type. CONCLUSIONS These findings suggest that positivity for ocular TTV was correlated with a clinical history of systemic immunodeficiency.
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Affiliation(s)
- Ai Fujita Sajiki
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.).
| | - Yoshito Koyanagi
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.)
| | - Hiroaki Ushida
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.).
| | - Kenichi Kawano
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.); Department of Ophthalmology, Yokkaichi Municipal Hospital, Yokkaichi, Japan (K.K.)
| | - Kosuke Fujita
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.)
| | - Daishi Okuda
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.)
| | - Mitsuki Kawabe
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.)
| | - Kazuhisa Yamada
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.)
| | - Ayana Suzumura
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.)
| | - Shu Kachi
- Shohzankai Medical Foundation, Miyake Eye Hospital, Nagoya, Japan (S.K.)
| | - Hiroki Kaneko
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.)
| | - Hiroyuki Komatsu
- Department of Ophthalmology, Tokyo Medical University, Tokyo, Japan (H.K., Y.U., H.G.)
| | - Yoshihiko Usui
- Department of Ophthalmology, Tokyo Medical University, Tokyo, Japan (H.K., Y.U., H.G.)
| | - Hiroshi Goto
- Department of Ophthalmology, Tokyo Medical University, Tokyo, Japan (H.K., Y.U., H.G.)
| | - Koji M Nishiguchi
- From the Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan (A.F.S., Y.K., H.U., K.K., K.F., D.O., M.K., K.Y., A.S., H.K., K.M.N.)
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