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Kikushima W, Sakurada Y, Fukuda Y, Matsubara M, Yoneyama S, Shijo T, Sugiyama A, Kotoda Y, Kashiwagi K. INCIDENCE AND CHARACTERISTICS OF NEOVASCULAR AGE-RELATED MACULAR WITH OVER A 12-MONTH REMISSION AFTER THREE MONTHLY AFLIBERCEPT ADMINISTRATION: 60 Months Results of a Pro Re Nata Regimen. Retina 2024; 44:498-505. [PMID: 38376852 DOI: 10.1097/iae.0000000000003994] [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] [Indexed: 02/21/2024]
Abstract
PURPOSE To investigate the characteristics of patients with over a 12-month remission after 3 monthly intravitreal aflibercept injections followed by a pro re nata regimen for exudative age-related macular degeneration (AMD). METHODS One hundred forty-four eyes with exudative AMD were included. All patients received 3 monthly intravitreal aflibercept injections as a loading dose, followed by an as-needed regimen for 60 months. Patients were classified into the remission and recurrence groups depending on the presence or absence of a 12-month remission. ARMS2 A69S and CFH I62V were genotyped in all cases. RESULTS During the study, 82 eyes (56.9%) showed 12 months or more remission at least once. The cumulative incidence rate of a 12-month remission showed a plateau pattern and converged to 60% (y = -166.26x-2.172 + 0.6, R2 = 0.8168). Patients in the remission group were younger than those in the recurrence group (P < 0.001) and had less risk allele frequency of the ARMS2 gene than the recurrence group (P < 0.001). The longer the remission interval was prolonged, the better visual acuity was achieved at the 60-month visit (P < 0.001). CONCLUSION Fifty-seven percent of patients showed a 12-month remission or more at least once during a 60-month follow-up, suggesting that patients with no reactivation can prolong the treatment interval.
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Affiliation(s)
- Wataru Kikushima
- Department of Ophthalmology, University of Yamanashi, Yamanashi, Japan
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Yoneyama S, Fukui A, Sakurada Y, Terao N, Shijo T, Kusada N, Sugiyama A, Matsubara M, Fukuda Y, Kikushima W, Mabuchi F, Sotozono C, Kashiwagi K. DISTINCT CHARACTERISTICS OF SIMPLE VERSUS COMPLEX CENTRAL SEROUS CHORIORETINOPATHY. Retina 2023; 43:389-395. [PMID: 36729824 DOI: 10.1097/iae.0000000000003692] [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] [Indexed: 02/03/2023]
Abstract
PURPOSE To compare the clinical and genetic characteristics of simple and complex central serous chorioretinopathy using central serous chorioretinopathy international group criteria. METHODS Patients with idiopathic central serous chorioretinopathy were included. Depending on the presence or absence of retinal pigment alterations greater than 2-disc areas in either eye, patients were classified into complex or simple types. Demographic factors and clinical findings were compared between groups. CFH variants, including rs800292 and rs1329428, were genotyped using TaqMan technology. RESULTS A total of 319 consecutive patients were evaluated at the initial presentation. Of them, 53 (16.6%) had the complex type. The complex type was exclusively seen in men (100% vs. 79.0%, P = 2.0 × 10 -4 ) and demonstrated a significantly higher proportion of bilateral involvement (75.5% vs. 17.7%, P = 6.2 × 10 -18 ) and descending tract(s) (83.0% vs. 0%, P = 1.2 × 10 -57 ) than the simple type. Increased choroidal thickness (425 ± 131 vs. 382 ± 110, P = 0.02) and decreased central retinal thickness (274 ± 151 vs. 337 ± 136, P = 2.9 × 10 -4 ) were observed for the complex versus simple type. The risk allele frequencies of both variants were significantly higher in the complex versus simple type (rs800292: 61.3% vs. 48.7%, P = 0.018; rs1329428: 65.1% vs. 54.3%, P = 0.04). CONCLUSION In this new classification system, the complex type has distinct genetic and clinical characteristics compared with the simple type.
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Affiliation(s)
- Seigo Yoneyama
- Department of Ophthalmology, University of Yamanashi, Chuo Yamanashi, Japan; and
| | - Ayumi Fukui
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto Kyoto, Japan
| | - Yoichi Sakurada
- Department of Ophthalmology, University of Yamanashi, Chuo Yamanashi, Japan; and
| | - Nobuhiro Terao
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto Kyoto, Japan
| | - Taiyo Shijo
- Department of Ophthalmology, University of Yamanashi, Chuo Yamanashi, Japan; and
| | - Natsuki Kusada
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto Kyoto, Japan
| | - Atsushi Sugiyama
- Department of Ophthalmology, University of Yamanashi, Chuo Yamanashi, Japan; and
| | - Mio Matsubara
- Department of Ophthalmology, University of Yamanashi, Chuo Yamanashi, Japan; and
| | - Yoshiko Fukuda
- Department of Ophthalmology, University of Yamanashi, Chuo Yamanashi, Japan; and
| | - Wataru Kikushima
- Department of Ophthalmology, University of Yamanashi, Chuo Yamanashi, Japan; and
| | - Fumihiko Mabuchi
- Department of Ophthalmology, University of Yamanashi, Chuo Yamanashi, Japan; and
| | - Chie Sotozono
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto Kyoto, Japan
| | - Kenji Kashiwagi
- Department of Ophthalmology, University of Yamanashi, Chuo Yamanashi, Japan; and
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Mabuchi F, Mabuchi N, Sakurada Y, Yoneyama S, Kashiwagi K, Yamagata Z, Takamoto M, Aihara M, Iwata T, Hashimoto K, Sato K, Shiga Y, Nakazawa T, Akiyama M, Kawase K, Ozaki M, Araie M. Genetic variants associated with glaucomatous visual field loss in primary open-angle glaucoma. Sci Rep 2022; 12:20744. [PMID: 36456827 PMCID: PMC9715669 DOI: 10.1038/s41598-022-24915-x] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 11/22/2022] [Indexed: 12/03/2022] Open
Abstract
Primary open-angle glaucoma (POAG) is characterized by a progressive optic neuropathy with visual field loss. To investigate the genetic variants associated with visual field loss in POAG, Japanese POAG patients (n = 426) and control subjects (n = 246) were genotyped for 22 genetic variants predisposing to POAG that can be classified into those associated with intraocular pressure (IOP) elevation (IOP-related genetic variants) and optic nerve vulnerability independent of IOP (optic nerve-related genetic variants). The genetic risk score (GRS) of the 17 IOP-related and five optic nerve-related genetic variants was calculated, and the associations between the GRS and the mean deviation (MD) of automated static perimetry as an indicator of the severity of visual field loss and pattern standard deviation (PSD) as an indicator of the focal disturbance were evaluated. There was a significant association (Beta = - 0.51, P = 0.0012) between the IOP-related GRS and MD. The severity of visual field loss may depend on the magnitude of IOP elevation induced by additive effects of IOP-related genetic variants. A significant association (n = 135, Beta = 0.65, P = 0.0097) was found between the optic nerve-related, but not IOP-related, GRS and PSD. The optic nerve-related (optic nerve vulnerability) and IOP-related (IOP elevation) genetic variants may play an important role in the focal and diffuse visual field loss respectively. To our knowledge, this is the first report to show an association between additive effects of genetic variants predisposing to POAG and glaucomatous visual field loss, including severity and focal/diffuse disturbance of visual field loss, in POAG.
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Affiliation(s)
- Fumihiko Mabuchi
- grid.267500.60000 0001 0291 3581Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Nakako Mabuchi
- grid.267500.60000 0001 0291 3581Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Yoichi Sakurada
- grid.267500.60000 0001 0291 3581Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Seigo Yoneyama
- grid.267500.60000 0001 0291 3581Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Kenji Kashiwagi
- grid.267500.60000 0001 0291 3581Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Zentaro Yamagata
- grid.267500.60000 0001 0291 3581Department of Health Sciences, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Mitsuko Takamoto
- grid.416704.00000 0000 8733 7415Department of Ophthalmology, Saitama Red Cross Hospital, Chuo-ku, Saitama, Japan
| | - Makoto Aihara
- grid.26999.3d0000 0001 2151 536XDepartment of Ophthalmology, Graduate School of Medicine, University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Takeshi Iwata
- grid.416239.bDivision of Molecular and Cellular Biology, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Meguro-ku, Tokyo, Japan
| | - Kazuki Hashimoto
- grid.69566.3a0000 0001 2248 6943Department of Ophthalmology, Tohoku University Graduate School of Medicine, Sendai, Miyagi Japan
| | - Kota Sato
- grid.69566.3a0000 0001 2248 6943Department of Ophthalmic Imaging and Information Analytics, Tohoku University Graduate School of Medicine, Sendai, Miyagi Japan
| | - Yukihiro Shiga
- grid.69566.3a0000 0001 2248 6943Department of Ophthalmology, Tohoku University Graduate School of Medicine, Sendai, Miyagi Japan
| | - Toru Nakazawa
- grid.69566.3a0000 0001 2248 6943Department of Ophthalmology, Tohoku University Graduate School of Medicine, Sendai, Miyagi Japan ,grid.69566.3a0000 0001 2248 6943Department of Ophthalmic Imaging and Information Analytics, Tohoku University Graduate School of Medicine, Sendai, Miyagi Japan ,grid.69566.3a0000 0001 2248 6943Collaborative Program for Ophthalmic Drug Discovery, Tohoku University Graduate School of Medicine, Sendai, Miyagi Japan
| | - Masato Akiyama
- grid.177174.30000 0001 2242 4849Department of Ocular Pathology and Imaging Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka City, Fukuoka, Japan
| | - Kazuhide Kawase
- Yasuma Eye Clinic, Nagoya, Aichi Japan ,grid.27476.300000 0001 0943 978XDepartment of Ophthalmology Protective Care for Sensory Disorders, Nagoya University Graduate School of Medicine, Nagoya, Aichi Japan
| | | | - Makoto Araie
- grid.414990.10000 0004 1764 8305Kanto Central Hospital of the Mutual Aid Association of Public School Teachers, Setagaya-ku, Tokyo, Japan
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Yoneyama S, Fukui A, Sakurada Y, Terao N, Shijo T, Kusada N, Sugiyama A, Matsubara M, Fukuda Y, Kikushima W, Parikh R, Mabuchi F, Sotozono C, Kashiwagi K. Distinct characteristics of central serous chorioretinopathy according to gender. Sci Rep 2022; 12:10565. [PMID: 35732691 PMCID: PMC9217960 DOI: 10.1038/s41598-022-14777-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 06/13/2022] [Indexed: 12/02/2022] Open
Abstract
To investigate the differences in clinical and genetic characteristics between males and females with central serous chorioretinopathy (CSC). Consecutive 302 patients (mean age; 56.3 ± 11.7, male/female: 249/53) with CSC were evaluated on the initial presentation. All CSC patients underwent fluorescein angiography and indocyanine green angiography (FA/ICGA), swept-source or spectral-domain optical coherence tomography (OCT), and fundus autofluorescence (FAF) to confirm a diagnosis. All patients were genotyped for rs800292 and rs1329428 variants of CFH using TaqMan technology. On the initial presentation, female patients were significantly older (p = 2.1 × 10–4, female 61.6 ± 12.4 vs male 55.1 ± 11.3) and had thinner subfoveal choroidal thickness (p = 3.8 × 10–5) and higher central retinal thickness (p = 3.0 × 10–3) compared to males. A descending tract was more frequently seen in males than in females (p = 8.0 × 10–4, 18.1% vs 0%). Other clinical characteristics were comparable between the sexes. The risk allele frequency of both variants including CFH rs800292 and CFH rs1329428 was comparable between males and females (CFH rs800292 A allele male 51.2% vs female 47.2%, CFH rs1329428 T allele male 56.2% vs 52.8%). On the initial presentation, age, subfoveal choroidal thickness and central retinal thickness differ between males and females in eyes with CSC. A descending tract may be a strong male finding in CSC.
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Affiliation(s)
- Seigo Yoneyama
- Department of Ophthalmology, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Ayumi Fukui
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoichi Sakurada
- Department of Ophthalmology, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan.
| | - Nobuhiro Terao
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Taiyo Shijo
- Department of Ophthalmology, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Natsuki Kusada
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Atsushi Sugiyama
- Department of Ophthalmology, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Mio Matsubara
- Department of Ophthalmology, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Yoshiko Fukuda
- Department of Ophthalmology, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Wataru Kikushima
- Department of Ophthalmology, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Ravi Parikh
- New York University School of Medicine, New York, NY, USA.,Manhattan Retina and Eye Consultants, New York, NY, USA
| | - Fumihiko Mabuchi
- Department of Ophthalmology, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Chie Sotozono
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kenji Kashiwagi
- Department of Ophthalmology, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
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Kawano S, Imai T, Sakamoto T, Yamamoto S, Baba T, Sato E, Kitahashi M, Tatsumi T, Miura G, Niizawa T, Sakamoto T, Yamakiri K, Yamashita T, Otsuka H, Sameshima S, Yoshinaga N, Sonoda S, Hirakata A, Koto T, Inoue M, Hirota K, Itoh Y, Orihara T, Emoto Y, Sano M, Takahashi H, Tokizawa R, Yamashita H, Nishitsuka K, Kaneko Y, Nishi K, Yoshida A, Ono S, Hirokawa H, Sogawa K, Omae T, Ishibazawa A, Kishi S, Akiyama H, Matsumoto H, Mukai R, Morimoto M, Nakazawa M, Suzuki Y, Kudo T, Adachi K, Ishida S, Noda K, Kase S, Mori S, Ando R, Saito M, Suzuki T, Takahashi K, Nagai Y, Nakauchi T, Yamada H, Kusaka S, Tsujioka D, Tsujikawa A, Suzuma K, Ishibashi T, Sonoda KH, Ikeda Y, Kohno R, Keijiro Ishikawa, Kondo M, Kozawa M, Kitaoka T, Tsuiki E, Ogura Y, Yoshida M, Morita H, Kato A, Hirano Y, Sugitani K, Terasaki H, Iwase T, Ito Y, Ueno S, Kaneko H, Nonobe N, Kominami T, Azuma N, Yokoi T, Shimada H, Nakashizuka H, Hattori T, Shinojima A, Kutagawa Y, Shiraga F, Morizane Y, Kimura S, Ikeda T, Kida T, Sato T, Fukumoto M, Emi K, Nakashima H, Ohji M, Kakinoki M, Sawada O, Takeuchi S, Tanaka S, Iida T, Koizumi H, Maruko I, Hasegawa T, Kogure A, Iijima H, Oshiro T, Tateno Y, Kikushima W, Sugiyama A, Yoneyama S, Kadonosono K, Sato S, Yamane S. Differences in primary retinal detachment surgery conducted on holidays and workdays analyzed using the Japan Retinal Detachment Registry. Jpn J Ophthalmol 2022; 66:271-277. [DOI: 10.1007/s10384-022-00911-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 01/28/2022] [Indexed: 10/18/2022]
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Shijo T, Sakurada Y, Tanaka K, Miki A, Sugiyama A, Onoe H, Chubachi A, Kikushima W, Wakatsuki Y, Yoneyama S, Mori R, Kashiwagi K. Incidence and risk of advanced age-related macular degeneration in eyes with drusenoid pigment epithelial detachment. Sci Rep 2022; 12:4715. [PMID: 35304557 PMCID: PMC8933473 DOI: 10.1038/s41598-022-08626-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 03/10/2022] [Indexed: 11/28/2022] Open
Abstract
To investigate the incidence and risk of advanced age-related macular degeneration (AMD), including geographic atrophy (GA) and macular neovascularization (MNV), in eyes with drusenoid pigment epithelial detachment (PED). Eighty-five eyes with drusenoid PED from 85 patients (77.2 ± 7.0 years, male/female: 44/41) were included in this study. Patients were followed up every 1–3 months via spectral-domain optical coherence tomography (SD-OCT) and color fundus photography. If exudation was observed on SD-OCT, fluorescein and indocyanine green angiography were performed to confirm the MNV subtype accordingly. The maximum follow-up period was 60 months. During the study period, GA developed in 8 eyes while MNV also developed in 8 eyes. The Kaplan–Meier estimator revealed that the cumulative incidence for 60 months was 17.9% and 12.2% for GA and MNV, respectively. In eyes developing MNV, retinal angiomatous proliferation was the most common. Cox regression analysis revealed that baseline PED width was the only factor associated with advanced AMD. (p = 0.0026, Cox regression analysis). The 5-year cumulative incidence of advanced AMD, including GA and MNV, was approximately 30% in eyes with drusenoid PED among the Japanese elderly. A larger baseline PED width was the only risk factor for advanced AMD.
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Affiliation(s)
- Taiyo Shijo
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, 409-3821, Yamanashi, Japan
| | - Yoichi Sakurada
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, 409-3821, Yamanashi, Japan.
| | - Koji Tanaka
- Department of Ophthalmology, Nihon University School of Medicine, Tokyo, Japan
| | - Akiko Miki
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Atsushi Sugiyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, 409-3821, Yamanashi, Japan
| | - Hajime Onoe
- Department of Ophthalmology, Nihon University School of Medicine, Tokyo, Japan
| | - Aya Chubachi
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Wataru Kikushima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, 409-3821, Yamanashi, Japan
| | - Yu Wakatsuki
- Department of Ophthalmology, Nihon University School of Medicine, Tokyo, Japan
| | - Seigo Yoneyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, 409-3821, Yamanashi, Japan
| | - Ryusaburo Mori
- Department of Ophthalmology, Nihon University School of Medicine, Tokyo, Japan
| | - Kenji Kashiwagi
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, 409-3821, Yamanashi, Japan
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Kikushima W, Sakurada Y, Yoneyama S, Sugiyama A, Matsubara M, Fukuda Y, Kashiwagi K. Long-term prognosis of polypoidal choroidal vasculopathy with a 5-year remission after an initial combination therapy. Photodiagnosis Photodyn Ther 2021; 35:102453. [PMID: 34303031 DOI: 10.1016/j.pdpdt.2021.102453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/15/2021] [Accepted: 07/19/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE To investigate the visual prognosis of patients with polypoidal choroidal vasculopathy (PCV) with a 5-year remission after an initial combination therapy involving photodynamic therapy (PDT) and intravitreal ranibizumab (IVR) or aflibercept injection (IVA). METHODS Medical records of 69 consecutive patients with PCV treated with PDT with IVR/IVA were retrospectively reviewed, and 17 eyes were identified with a 5-year remission after the initial combination therapy. The eyes that did not require additional treatment during the 1st-5th year were assigned to the remission group and the eyes requiring additional treatment during the 1st-5th year were assigned to the recurrence group. RESULTS During the 7-year follow-up, the mean logarithm of the minimal angle resolution best-corrected visual acuity (logMAR BCVA) significantly improved from 0.39±0.27 to 0.17±0.38 (p=2.9 × 10-4) in the remission group, whereas the mean logMAR BCVA was maintained throughout the follow-up period (0.58±0.27 to 0.60±0.48) in the recurrence group. In the remission group, only two (11.8%) of the 17 eyes experienced recurrence during the 5th-7th year. Comparison of baseline characteristics between the two groups revealed that a higher proportion of female (p=0.012), better baseline BCVA (p=3.1 × 10-3), and lower risk allele frequency in ARMS2 A69S (p=0.029) were observed in the remission group. CONCLUSIONS The combination therapy showed a favourable outcome for PCV over a 7-year follow-up, especially in the eyes without recurrence during the 1st-5th year. Physicians should be careful of recurrent exudation in the eyes without recurrence during the 1st-5th years, although the recurrence rate was low.
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Affiliation(s)
- Wataru Kikushima
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi
| | - Yoichi Sakurada
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi.
| | - Seigo Yoneyama
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi
| | - Atsushi Sugiyama
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi
| | - Mio Matsubara
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi
| | - Yoshiko Fukuda
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi
| | - Kenji Kashiwagi
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi
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Kikushima W, Sakurada Y, Sugiyama A, Yoneyama S, Matsubara M, Fukuda Y, Kashiwagi K. Five-Year Outcome of Aflibercept Monotherapy for Exudative Age-Related Macular Degeneration with Good Baseline Visual Acuity. J Clin Med 2021; 10:jcm10051098. [PMID: 33807964 PMCID: PMC7961756 DOI: 10.3390/jcm10051098] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 11/16/2022] Open
Abstract
We investigated the long-term visual and anatomical outcomes of aflibercept monotherapy for exudative age-related macular degeneration (AMD) with good baseline best-corrected visual acuity (BCVA). A medical chart review was performed for 40 consecutive patients with baseline decimal BCVA ≥ 0.6 secondary to exudative AMD. Three monthly injections were administrated, and thereafter additional injection was performed if needed over 5 years. In total, 13 eyes with neovascular AMD (nAMD) and 27 eyes with polypoidal choroidal vasculopathy (PCV) were enrolled. In both groups, the mean BCVA significantly improved at the 12-month visit (p < 0.05). However, the significant improvement in BCVA disappeared at the 24-month visit, and the final mean BCVA was equivalent to that at baseline (p = 0.17 in the nAMD group and p = 0.15 in the PCV group). The median number of injections required after the loading dose was 15.0 during the 5-year follow-up (nAMD:15.0 vs. PCV:15). During the study period, 37 (92.5%) eyes required retreatment(s). Cox regression analysis demonstrated that the protective allele of ARMS2 A69S was associated with a retreatment-free period from the initial injection (p = 0.041, repeated forward selection method). As-needed aflibercept monotherapy is a preferable treatment option for exudative AMD with good initial visual acuity regardless of nAMD or PCV during the 5-year study period.
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Shijo T, Sakurada Y, Yoneyama S, Kikushima W, Sugiyama A, Matsubara M, Fukuda Y, Mabuchi F, Kashiwagi K. Association between Polygenic Risk Score and One-Year Outcomes Following As-Needed Aflibercept Therapy for Exudative Age-Related Macular Degeneration. Pharmaceuticals (Basel) 2020; 13:ph13090257. [PMID: 32962278 PMCID: PMC7559528 DOI: 10.3390/ph13090257] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/17/2020] [Accepted: 09/18/2020] [Indexed: 12/27/2022] Open
Abstract
We investigated whether polygenic risk score (PRS) was associated with one-year outcome of as-needed aflibercept therapy for exudative age-related macular degeneration (AMD), including AMD (n = 129) and polypoidal choroidal vasculopathy (n = 132). A total of 261 patients were treated with as-needed intravitreal aflibercept injection (IAI) after three monthly IAIs and the completion of a one-year follow-up. One hundred and seventy-two healthy volunteers served as controls. Genotyping of ARMS2 A69S (rs10490924), CFH I62V (rs800292), SKIV2L-C2-CFB (rs429608), C3 (rs2241394), ADAMTS-9 (rs6795735) and CETP (rs3764261) was performed for all participants. A total of 63 PRSs were quantified. There was a positive association between the PRS involving ARMS2, CFH, C3, and ADAMTS-9 and best-corrected visual acuity at twelve months (p = 0.046, multiple regression analysis). When comparing PRSs of patients requiring retreatment and of patients without retreatment, 35 PRSs were significantly greater in patients requiring retreatment than in patients without requiring retreatment, with the PRS involving ARMS2 and CFH being most significantly associated (p = 1.6 × 10−4). The number of additional injections was significantly associated with 40 PRSs and the PRS involving ARMS2 and CFH showed a most significant p-value (p = 2.42 × 10−6). Constructing a PRS using a combination with high-risk variants might be informative for predicting the response to IAI for exudative AMD.
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Fukuda Y, Sakurada Y, Sugiyama A, Yoneyama S, Matsubara M, Kikushima W, Tanabe N, Parikh R, Kashiwagi K. Title: Pachydrusen in Fellow Eyes Predict Response to Aflibercept Monotherapy in Patients with Polypoidal Choroidal Vasculopathy. J Clin Med 2020; 9:jcm9082459. [PMID: 32752023 PMCID: PMC7463500 DOI: 10.3390/jcm9082459] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 07/28/2020] [Accepted: 07/30/2020] [Indexed: 01/02/2023] Open
Abstract
We investigated whether responses to as-needed intravitreal aflibercept injections (IAIs) for polypoidal choroidal vasculopathy (PCV) differed among patients based upon drusen characteristics in fellow eyes. 110 eyes from 110 patients with PCV received 3 monthly IAI and thereafter Pro re nata (PRN) IAI over 12 months. Patients were classified into 4 groups depending on fellow eye findings. Group 1 (n = 16): pachydrusen; Group 2 (n = 45): no drusen; Group 3 (n = 35): soft drusen; Group4 (n = 14) PCV/scarring. Best-corrected visual acuity improved at 12 months in all groups, but not significantly in Group 1 and Group 4; however, visual improvement was similar among the groups after adjusting baseline confounders. Group 1 had a significantly lower percentage of eyes needing retreatment (all p < 0.001; Group 1: 16.7%; Group 2: 50.8%; Group 3: 80%; Group 4: 85.7%). The mean number of retreatments was least in Group 1 among the groups (all p-value < 0.003; Group 1: 0.50 ± 1.32; Group 2: 1.73 ± 2.08; Group 3:2.71 ± 1.99; Group 3: 2.71 ± 2.16). Patients with pachydrusen in fellow eyes were less likely to require additional IAI following the loading dose and may be ideal candidates for aflibercept monotherapy in their first year.
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Affiliation(s)
- Yoshiko Fukuda
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan; (Y.F.); (A.S.); (S.Y.); (M.M.); (W.K.); (N.T.); (K.K.)
| | - Yoichi Sakurada
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan; (Y.F.); (A.S.); (S.Y.); (M.M.); (W.K.); (N.T.); (K.K.)
- Correspondence: ; Tel.: +81-273-9657
| | - Atsushi Sugiyama
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan; (Y.F.); (A.S.); (S.Y.); (M.M.); (W.K.); (N.T.); (K.K.)
| | - Seigo Yoneyama
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan; (Y.F.); (A.S.); (S.Y.); (M.M.); (W.K.); (N.T.); (K.K.)
| | - Mio Matsubara
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan; (Y.F.); (A.S.); (S.Y.); (M.M.); (W.K.); (N.T.); (K.K.)
| | - Wataru Kikushima
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan; (Y.F.); (A.S.); (S.Y.); (M.M.); (W.K.); (N.T.); (K.K.)
| | - Naohiko Tanabe
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan; (Y.F.); (A.S.); (S.Y.); (M.M.); (W.K.); (N.T.); (K.K.)
| | - Ravi Parikh
- Department of Ophthalmology, School of Medicine, New York University, New York, NY 10016, USA;
- Manhattan Retina and Eye Consultants, New York, NY 10016, USA
| | - Kenji Kashiwagi
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan; (Y.F.); (A.S.); (S.Y.); (M.M.); (W.K.); (N.T.); (K.K.)
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Kikushima W, Sugiyama A, Yoneyama S, Matsubara M, Fukuda Y, Parikh R, Sakurada Y. Correction: Five-year outcomes of photodynamic therapy combined with intravitreal injection of ranibizumab or aflibercept for polypoidal choroidal vasculopathy. PLoS One 2020; 15:e0230505. [PMID: 32160267 PMCID: PMC7065785 DOI: 10.1371/journal.pone.0230505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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12
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Wataru K, Sugiyama A, Yoneyama S, Matsubara M, Fukuda Y, Parikh R, Sakurada Y. Five-year outcomes of photodynamic therapy combined with intravitreal injection of ranibizumab or aflibercept for polypoidal choroidal vasculopathy. PLoS One 2020; 15:e0229231. [PMID: 32092094 PMCID: PMC7039440 DOI: 10.1371/journal.pone.0229231] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 01/31/2020] [Indexed: 11/19/2022] Open
Abstract
We report 5-year visual and anatomical outcomes after combination therapy of photodynamic therapy (PDT) and intravitreal injection of ranibizumab or aflibercept for polypoidal choroidal vasculopathy (PCV) and predictive factors for visual outcomes at 5-year and time to recurrence. Medical charts were retrospectively reviewed for 43 consecutive eyes with PCV treated with combination therapy of PDT and intravitreal injection of ranibizumab(n = 13) or aflibercept(n = 30) and completed 5-year follow-up. The variants of ARMS2 A69S and CFH I62V were genotyped using TaqMan assay. Best corrected visual acuity (BCVA) significantly improved at 5-year (P = 0.01) with 20% reduction of subfoveal choroidal thickness irrespective of presence or absence of recurrence. Visual improvement was associated with baseline shorter greatest linear dimension (GLD) (P = 1.0×10-4). Mean time to recurrence was 28.6±23.1 months (95% CI: 21.5-35.7, Median:18.0) and time to recurrence was associated with G allele (protective allele) of ARMS2 A69S and GLD (P = 4.0×10-4 and 1.0×10-2, respectively). Multiple regression analysis revealed that time to recurrence extended by 15.5 months when the G allele of ARMS2 A69S increased by one allele (TT: 15.7±17.0, TG: 30.8±23.5, GG: 41.1±22.6 months). The combination therapy resulted in a favorable visual outcome for PCV during 5-year follow-up.
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Affiliation(s)
- Kikushima Wataru
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Kofu, Japan
| | - Atsushi Sugiyama
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Kofu, Japan
| | - Seigo Yoneyama
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Kofu, Japan
| | - Mio Matsubara
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Kofu, Japan
| | - Yoshiko Fukuda
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Kofu, Japan
| | - Ravi Parikh
- New York University School of Medicine, New York, New York, United States of America
- Manhattan Retina and Eye Consultants, New York, New York, United States of America
| | - Yoichi Sakurada
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Kofu, Japan
- * E-mail:
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13
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Hosoda Y, Miyake M, Schellevis RL, Boon CJF, Hoyng CB, Miki A, Meguro A, Sakurada Y, Yoneyama S, Takasago Y, Hata M, Muraoka Y, Nakanishi H, Oishi A, Ooto S, Tamura H, Uji A, Miyata M, Takahashi A, Ueda-Arakawa N, Tajima A, Sato T, Mizuki N, Shiragami C, Iida T, Khor CC, Wong TY, Yamada R, Honda S, de Jong EK, Hollander AID, Matsuda F, Yamashiro K, Tsujikawa A. Genome-wide association analyses identify two susceptibility loci for pachychoroid disease central serous chorioretinopathy. Commun Biol 2019; 2:468. [PMID: 31872073 PMCID: PMC6908630 DOI: 10.1038/s42003-019-0712-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 11/26/2019] [Indexed: 11/09/2022] Open
Abstract
The recently emerged pachychoroid concept has changed the understanding of age-related macular degeneration (AMD), which is a major cause of blindness; recent studies attributed AMD in part to pachychoroid disease central serous chorioretinopathy (CSC), suggesting the importance of elucidating the CSC pathogenesis. Our large genome-wide association study followed by validation studies in three independent Japanese and European cohorts, consisting of 1546 CSC samples and 13,029 controls, identified two novel CSC susceptibility loci: TNFRSF10A-LOC389641 and near GATA5 (rs13278062, odds ratio = 1.35, P = 1.26 × 10-13; rs6061548, odds ratio = 1.63, P = 5.36 × 10-15). A T allele at TNFRSF10A-LOC389641 rs13278062, a risk allele for CSC, is known to be a risk allele for AMD. This study not only identified new susceptibility genes for CSC, but also improves the understanding of the pathogenesis of AMD.
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Affiliation(s)
- Yoshikatsu Hosoda
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masahiro Miyake
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Rosa L. Schellevis
- Department of Ophthalmology, Donders Institute of Brain, Cognition and Behaviour, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Camiel J. F. Boon
- Department of Ophthalmology, Leiden University Medical Center, Leiden, The Netherlands
| | - Carel B. Hoyng
- Department of Ophthalmology, Donders Institute of Brain, Cognition and Behaviour, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Akiko Miki
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Akira Meguro
- Department of Ophthalmology and Visual Sciences, Yokohama City University School of Medicine, Yokohama, Japan
| | - Yoichi Sakurada
- Department of Ophthalmology, University of Yamanashi, Faculty of Medicine, Yamanashi, Japan
| | - Seigo Yoneyama
- Department of Ophthalmology, University of Yamanashi, Faculty of Medicine, Yamanashi, Japan
| | - Yukari Takasago
- Department of Ophthalmology, Kagawa University Faculty of Medicine, Kagawa, Japan
| | - Masayuki Hata
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yuki Muraoka
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Hideo Nakanishi
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Akio Oishi
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Sotaro Ooto
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Hiroshi Tamura
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Akihito Uji
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Manabu Miyata
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Ayako Takahashi
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Naoko Ueda-Arakawa
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Atsushi Tajima
- Department of Bioinformatics and Genomics, Graduate School of Advanced Preventive Medical Sciences, Kanazawa University, Kanazawa, Ishikawa Japan
| | - Takehiro Sato
- Department of Bioinformatics and Genomics, Graduate School of Advanced Preventive Medical Sciences, Kanazawa University, Kanazawa, Ishikawa Japan
| | - Nobuhisa Mizuki
- Department of Ophthalmology and Visual Sciences, Yokohama City University School of Medicine, Yokohama, Japan
| | - Chieko Shiragami
- Department of Ophthalmology, Kagawa University Faculty of Medicine, Kagawa, Japan
| | - Tomohiro Iida
- Department of Ophthalmology, Tokyo Women’s Medical University, Tokyo, Japan
| | - Chiea Chuen Khor
- Singapore National Eye Centre, Singapore Eye Research Institute, Singapore, Singapore
- Division of Human Genetics, Genome Institute of Singapore, Singapore, Singapore
| | - Tien Yin Wong
- Singapore National Eye Centre, Singapore Eye Research Institute, Singapore, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
- Ophthalmology and Visual Sciences Academic Clinical Program, Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
| | - Ryo Yamada
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Shigeru Honda
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Kobe, Japan
- Department of Ophthalmology and Visual Sciences, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Eiko K. de Jong
- Department of Ophthalmology, Donders Institute of Brain, Cognition and Behaviour, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Anneke I. den Hollander
- Department of Ophthalmology, Donders Institute of Brain, Cognition and Behaviour, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Fumihiko Matsuda
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kenji Yamashiro
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
- Department of Ophthalmology, Otsu Red-Cross Hospital, Otsu, Japan
| | - Akitaka Tsujikawa
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
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14
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Fukuda Y, Sakurada Y, Yoneyama S, Kikushima W, Sugiyama A, Matsubara M, Tanabe N, Iijima H. Clinical and genetic characteristics of pachydrusen in patients with exudative age-related macular degeneration. Sci Rep 2019; 9:11906. [PMID: 31417165 PMCID: PMC6695414 DOI: 10.1038/s41598-019-48494-6] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 08/07/2019] [Indexed: 11/29/2022] Open
Abstract
We investigated the clinical and genetic characteristics of patients with unilateral exudative age-related macular degeneration (AMD), including typical AMD, polypoidal choroidal vasculopathy, and retinal angiomatous proliferation, in whom pachydrusen was seen. Patients with unilateral exudative AMD with at least a 12-month follow-up period were included. According to the fellow eye condition, 327 consecutive patients were classified into 4 groups: Group 0: no drusen (42.8%), Group 1: pachydrusen (12.2%), Group 2: soft drusen (30.3%), Group 3: pseudodrusen with or without soft drusen (14.7%). Development of exudative AMD in the fellow eye was retrospectively studied for a 60-month period and this inter-group comparisons were performed. Genotyping was performed for ARMS2 A69S and CFH I62V. The thickness of the choroid in the fellow eyes increased significantly in Group 1 than in other groups (all P < 1.0 × 10−7). The development of exudative AMD in the fellow eye was significantly less frequent in Group 1 than in Groups 2 or 3 (P = 0.022 and 0.0015, respectively). Risk allele frequency of ARMS2 A69S was significantly lower in Group 1 than in Group 2 and 3 (all P < 1.0 × 10−4). Patients with pachydrusen have genetic and clinical characteristics distinct from those of soft drusen and pseudodrusen.
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Affiliation(s)
- Yoshiko Fukuda
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Yoichi Sakurada
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan.
| | - Seigo Yoneyama
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Wataru Kikushima
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Atsushi Sugiyama
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Mio Matsubara
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Naohiko Tanabe
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Hiroyuki Iijima
- Departments of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
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15
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Kikushima W, Sakurada Y, Sugiyama A, Yoneyama S, Tanabe N, Matsubara M, Mabuchi F, Iijima H. Comparison of two-year outcomes after photodynamic therapy with ranibizumab or aflibercept for polypoidal choroidal vasculopathy. Sci Rep 2017; 7:16461. [PMID: 29184088 PMCID: PMC5705714 DOI: 10.1038/s41598-017-16476-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 11/13/2017] [Indexed: 12/27/2022] Open
Abstract
Photodynamic therapy (PDT) combined with intravitreal anti-vascular endothelial growth factor (VEGF) agents is currently the first-line treatment for polypoidal choroidal vasculopathy (PCV), along with anti-VEGF monotherapy. In this study, 100 eyes with treatment-naïve PCV were initially treated with PDT combined with intravitreal ranibizumab (IVR; n = 57) or aflibercept (IVA; n = 43). We compared two-year outcomes between these two groups and investigated factors associated with visual improvement and retreatment over 24 months. Best-corrected visual acuity (BCVA) was significantly improved in both groups (P < 0.001) at 24 months. Multiple regression analysis revealed that visual improvement at 24 months was associated with female (P = 0.030), worse baseline BCVA (P = 3.0 × 10−6), smaller greatest linear dimension (GLD; P = 2.0 × 10−4), and treatment with IVA rather than IVR (P = 0.016). Multiple logistic regression analysis revealed that absence of retreatment was associated with younger age (P = 2.2 × 10−4), female (P = 1.2 × 10−3), and the non-risk variants of ARMS2 A69S (P = 6.0 × 10−4). Although there were no significant differences in the retreatment rate between the two groups, PDT/IVA may be superior to PDT/IVR in terms of visual improvement at 24 months.
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Affiliation(s)
- Wataru Kikushima
- Departments of Ophthalmology, Yamanashi University, Yamanashi, Japan
| | - Yoichi Sakurada
- Departments of Ophthalmology, Yamanashi University, Yamanashi, Japan.
| | - Atsushi Sugiyama
- Departments of Ophthalmology, Yamanashi University, Yamanashi, Japan
| | - Seigo Yoneyama
- Departments of Ophthalmology, Yamanashi University, Yamanashi, Japan
| | - Naohiko Tanabe
- Departments of Ophthalmology, Yamanashi University, Yamanashi, Japan
| | - Mio Matsubara
- Departments of Ophthalmology, Yamanashi University, Yamanashi, Japan
| | - Fumihiko Mabuchi
- Departments of Ophthalmology, Yamanashi University, Yamanashi, Japan
| | - Hiroyuki Iijima
- Departments of Ophthalmology, Yamanashi University, Yamanashi, Japan
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16
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Sakurada Y, Kikushima W, Sugiyama A, Yoneyama S, Tanabe N, Matsubara M, Iijima H. AREDS simplified severity scale as a predictive factor for response to aflibercept therapy for typical neovascular age-related macular degeneration. Graefes Arch Clin Exp Ophthalmol 2017; 256:99-104. [PMID: 29177890 DOI: 10.1007/s00417-017-3847-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 09/18/2017] [Accepted: 11/04/2017] [Indexed: 01/05/2023] Open
Abstract
PURPOSE To investigate whether the severity of the condition in the untreated fellow eye is a predictive factor for the response to intravitreal aflibercept injection (IAI) for exudative age-related macular degeneration (AMD). METHODS A retrospective medical chart review was conducted for 88 patients with treatment-naïve neovascular AMD, who were initially treated with three monthly IAIs, followed by monthly monitoring and re-injection as needed for at least 12 months. Subjects were classified into three groups according to the severity of the condition in their untreated eye, based on the severity scale in the Age-Related Eye Disease Study (AREDS): group 0, AREDS severity level 1 (no drusen); group 1, AREDS severity level 2 or 3 (any drusen); group 2, AREDS severity level 4 (advanced AMD). Genotyping was performed in all cases for ARMS2 A69S and CFH I62V. RESULTS Fellow-eye severity was associated with age and the risk variant of ARMS2 A69S (P = 0.005 and 0.001, respectively). Although best-corrected visual acuity (BCVA) had improved significantly after 12 months in all groups, this improvement was significantly greater in group 0 than in the other groups (P = 0.008). The retreatment-free period was also significantly longer for group 0 than for the other groups (P = 0.016), and the number of additional injections was significantly associated with fellow-eye severity (P = 0.007). CONCLUSIONS Fellow-eye severity was associated with treatment response in terms of visual improvement and retreatment and may be a predictive factor for response to IAI for neovascular AMD.
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Affiliation(s)
- Yoichi Sakurada
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi Prefecture, Japan.
| | - Wataru Kikushima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi Prefecture, Japan
| | - Atsushi Sugiyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi Prefecture, Japan
| | - Seigo Yoneyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi Prefecture, Japan
| | - Naohiko Tanabe
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi Prefecture, Japan
| | - Mio Matsubara
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi Prefecture, Japan
| | - Hiroyuki Iijima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi Prefecture, Japan
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17
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Sugiyama A, Sakurada Y, Honda S, Miki A, Matsumiya W, Yoneyama S, Kikushima W, Iijima H. Retreatment of Exudative Age-Related Macular Degeneration after Loading 3-Monthly Intravitreal Ranibizumab. Ophthalmologica 2017; 239:52-59. [PMID: 29045945 DOI: 10.1159/000480439] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 08/17/2017] [Indexed: 11/19/2022]
Abstract
PURPOSE The aim of this study was to investigate the clinical implications of required retreatment after 3-monthly intravitreal ranibizumab (IVR) injections followed by as-needed reinjections up to 5 years in eyes with exudative age-related macular degeneration (AMD). METHODS A retrospective cohort study was conducted for 165 treatment-naïve eyes from 165 patients with exudative AMD. Visual changes were investigated in terms of the required retreatments. RESULTS Retreatment-free proportions were 37.0, 23.7, 16.6, 12.1, and 10.5% at 12, 24, 36, 48, and 60 months, respectively. Visual changes were significantly better in eyes which did not require retreatment at every yearly checkpoint within the 5 years. A multivariate logistic regression analysis revealed that requirement of additional IVR treatments in the first 12-24 months was associated with the T allele (risk allele) of ARMS2 A69S (p = 0.010 and 0.015, respectively). Cox regression analysis revealed that older age (p = 0.046) and the T allele of ARMS2 A69S (p = 0.036) were associated with required retreatment within the 5-year follow-up period. CONCLUSIONS Age and the T allele of ARMS2 A69S are the risk factors requiring retreatments, leading to poor visual change in eyes with exudative AMD following the initial 3-monthly IVR.
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Affiliation(s)
- Atsushi Sugiyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Japan
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18
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Mabuchi F, Mabuchi N, Sakurada Y, Yoneyama S, Kashiwagi K, Iijima H, Yamagata Z, Takamoto M, Aihara M, Iwata T, Kawase K, Shiga Y, Nishiguchi KM, Nakazawa T, Ozaki M, Araie M. Additive effects of genetic variants associated with intraocular pressure in primary open-angle glaucoma. PLoS One 2017; 12:e0183709. [PMID: 28832686 PMCID: PMC5568337 DOI: 10.1371/journal.pone.0183709] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 08/09/2017] [Indexed: 11/18/2022] Open
Abstract
To investigate the association between the additive effects of genetic variants associated with intraocular pressure (IOP) and IOP, vertical cup-to-disc ratio (VCDR), and high tension glaucoma (HTG) or normal tension glaucoma (NTG) as phenotypic features of primary open-angle glaucoma (POAG), and to evaluate the clinical usefulness of the additive effects of IOP-related genetic variants for predicting IOP elevation, Japanese patients with HTG (n = 255) and NTG (n = 261) and 246 control subjects were genotyped for nine IOP-related genetic variants near CAV2, GAS7, GLCCI1/ICA1, ABCA1, ARHGEF12, FAM125B, FNDC3B, ABO, and PTPRJ/AGBL2. The total number of risk alleles of these genetic variants was calculated for each participant as a genetic risk score (GRS), and the association between the GRS and the maximum IOP, mean VCDR, and phenotype (HTG or NTG) of POAG was evaluated. As the GRS increased, the maximum IOP (P = 0.012) and VCDR (P = 0.010) significantly increased. The GRS (9.1±1.9) in patients with HTG was significantly higher (P = 0.011) than that (8.7±1.8) in control subjects. The patients with GRS≥12 as a cut-off value had a 2.54 times higher (P = 0.0085) risk on HTG (maximum IOP≥22mmHg) compared with all patients. The IOP-related GRS approach substantiated that the IOP and VCDR were increased by the additive effects of IOP-related genetic variants in POAG. The high IOP-related GRS in patients with HTG but not NTG shows that there are differences in the genetic background between HTG and NTG and supports the notion that the phenotype (HTG or NTG) in patients with POAG depends on the additive effects of IOP-related genetic variants. The above-mentioned cut-off value of IOP-related GRS may be clinically useful for predicting the risk of IOP elevation.
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Affiliation(s)
- Fumihiko Mabuchi
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
- * E-mail:
| | - Nakako Mabuchi
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Yoichi Sakurada
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Seigo Yoneyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Kenji Kashiwagi
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Hiroyuki Iijima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Zentaro Yamagata
- Department of Health Sciences, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Mitsuko Takamoto
- Department of Ophthalmology, Tokyo Metropolitan Police Hospital, Tokyo, Japan
| | - Makoto Aihara
- Department of Ophthalmology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Takeshi Iwata
- Division of Molecular and Cellular Biology, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | | | - Yukihiro Shiga
- Department of Ophthalmology, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Koji M. Nishiguchi
- Department of Advanced Ophthalmic Medicine, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Toru Nakazawa
- Department of Ophthalmology, Tohoku University Graduate School of Medicine, Miyagi, Japan
- Department of Advanced Ophthalmic Medicine, Tohoku University Graduate School of Medicine, Miyagi, Japan
- Department of Retinal Disease Control, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | | | - Makoto Araie
- Kanto Central Hospital of the Mutual Aid Association of Public School Teachers, Tokyo, Japan
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Yamashiro K, Mori K, Honda S, Kano M, Yanagi Y, Obana A, Sakurada Y, Sato T, Nagai Y, Hikichi T, Kataoka Y, Hara C, Koyama Y, Koizumi H, Yoshikawa M, Miyake M, Nakata I, Tsuchihashi T, Horie-Inoue K, Matsumiya W, Ogasawara M, Obata R, Yoneyama S, Matsumoto H, Ohnaka M, Kitamei H, Sayanagi K, Ooto S, Tamura H, Oishi A, Kabasawa S, Ueyama K, Miki A, Kondo N, Bessho H, Saito M, Takahashi H, Tan X, Azuma K, Kikushima W, Mukai R, Ohira A, Gomi F, Miyata K, Takahashi K, Kishi S, Iijima H, Sekiryu T, Iida T, Awata T, Inoue S, Yamada R, Matsuda F, Tsujikawa A, Negi A, Yoneya S, Iwata T, Yoshimura N. A prospective multicenter study on genome wide associations to ranibizumab treatment outcome for age-related macular degeneration. Sci Rep 2017; 7:9196. [PMID: 28835685 PMCID: PMC5569099 DOI: 10.1038/s41598-017-09632-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 07/27/2017] [Indexed: 01/23/2023] Open
Abstract
We conducted a genome-wide association study (GWAS) on the outcome of anti-VEGF treatment for exudative age-related macular degeneration (AMD) in a prospective cohort. Four hundred and sixty-one treatment-naïve AMD patients were recruited at 13 clinical centers and all patients were treated with 3 monthly injections of ranibizumab followed by pro re nata regimen treatment for one year. Genomic DNA was collected from all patients for a 2-stage GWAS on achieving dry macula after the initial treatment, the requirement for an additional treatment, and visual acuity changes during the 12-month observation period. In addition, we evaluated 9 single-nucleotide polymorphisms (SNPs) in 8 previously reported AMD-related genes for their associations with treatment outcome. The discovery stage with 256 patients evaluated 8,480,849 SNPs, but no SNPs showed genome-wide level significance in association with treatment outcomes. Although SNPs with P-values of <5 × 10−6 were evaluated in replication samples of 205 patients, no SNP was significantly associated with treatment outcomes. Among AMD-susceptibility genes, rs10490924 in ARMS2/HTRA1 was significantly associated with additional treatment requirement in the discovery stage (P = 0.0023), and pooled analysis with the replication stage further confirmed this association (P = 0.0013). ARMS2/HTRA1 polymorphism might be able to predict the frequency of injection after initial ranibizumab treatment.
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Affiliation(s)
- Kenji Yamashiro
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606-8507, Japan. .,Department of Ophthalmology, Otsu Red Cross Hospital, Otsu, Shiga, 520-8511, Japan.
| | - Keisuke Mori
- Department of Ophthalmology, Saitama Medical University, Iruma, Saitama, 350-0495, Japan.,Department of Ophthalmology, International University of Health and Welfare, Nasu-Shiobara, Tochigi, 329-2763, Japan
| | - Shigeru Honda
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Chuo, Kobe, 650-0017, Japan
| | - Mariko Kano
- Department of Ophthalmology, Fukushima Medical University School of Medicine, Fukushima, 960-1247, Japan.,Department of Ophthalmology, Tokyo Women's Medical University, Yachiyo Medical Center, Chiba, 276-0046, Japan
| | - Yasuo Yanagi
- Department of Ophthalmology, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan.,Ophthalmology and Visual Sciences Program, Duke-NUS Medical School, National University of Singapore, Singapore, 119077, Singapore.,Singapore National Eye Centre, Singapore Eye Research Institute, Singapore, 168751, Singapore
| | - Akira Obana
- Department of Ophthalmology, Seirei Hamamatsu General Hospital, Shizuoka, 430-8558, Japan
| | - Yoichi Sakurada
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, 409-3898, Japan
| | - Taku Sato
- Department of Ophthalmology, Gunma University School of Medicine, Gunma, 371-0034, Japan.,Takasaki Sato Eye Clinic, Gunma, 370-0036, Japan
| | - Yoshimi Nagai
- Department of Ophthalmology, Kansai Medical University, Osaka, 573-1191, Japan
| | - Taiichi Hikichi
- Ohtsuka Eye Hospital, Sapporo, 001-0016, Japan.,Hikichi Eye Clinic, Sapporo, 060-0807, Japan
| | | | - Chikako Hara
- Department of Ophthalmology, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan
| | - Yasurou Koyama
- Department of Ophthalmology, Shimane University Faculty of Medicine, Shimane, 693-0021, Japan
| | - Hideki Koizumi
- Department of Ophthalmology, Tokyo Women's Medical University, School of Medicine, Tokyo, 162-8666, Japan
| | - Munemitsu Yoshikawa
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606-8507, Japan
| | - Masahiro Miyake
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606-8507, Japan
| | - Isao Nakata
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606-8507, Japan.,Department of Ophthalmology, Otsu Red Cross Hospital, Otsu, Shiga, 520-8511, Japan
| | - Takashi Tsuchihashi
- Department of Ophthalmology, Saitama Medical University, Iruma, Saitama, 350-0495, Japan
| | - Kuniko Horie-Inoue
- Division of Gene Regulation and Signal Transduction, Research Center for Genomic Medicine, Saitama Medical University, Hidaka, Saitama, 350-1241, Japan
| | - Wataru Matsumiya
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Chuo, Kobe, 650-0017, Japan
| | - Masashi Ogasawara
- Department of Ophthalmology, Fukushima Medical University School of Medicine, Fukushima, 960-1247, Japan
| | - Ryo Obata
- Department of Ophthalmology, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Seigo Yoneyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, 409-3898, Japan
| | - Hidetaka Matsumoto
- Department of Ophthalmology, Gunma University School of Medicine, Gunma, 371-0034, Japan
| | - Masayuki Ohnaka
- Department of Ophthalmology, Kansai Medical University, Osaka, 573-1191, Japan
| | | | | | - Sotaro Ooto
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606-8507, Japan
| | - Hiroshi Tamura
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606-8507, Japan
| | - Akio Oishi
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606-8507, Japan
| | - Sho Kabasawa
- Department of Ophthalmology, Saitama Medical University, Iruma, Saitama, 350-0495, Japan
| | - Kazuhiro Ueyama
- Department of Ophthalmology, Saitama Medical University, Iruma, Saitama, 350-0495, Japan
| | - Akiko Miki
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Chuo, Kobe, 650-0017, Japan
| | - Naoshi Kondo
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Chuo, Kobe, 650-0017, Japan
| | - Hiroaki Bessho
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Chuo, Kobe, 650-0017, Japan
| | - Masaaki Saito
- Department of Ophthalmology, Fukushima Medical University School of Medicine, Fukushima, 960-1247, Japan.,Department of Ophthalmology and Visual Sciences, Akita University Graduate School of Medicine, Akita, 010-8543, Japan
| | - Hidenori Takahashi
- Department of Ophthalmology, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan.,Department of Ophthalmology, Jichi Medical University, Tochigi, 329-0498, Japan
| | - Xue Tan
- Department of Ophthalmology, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Keiko Azuma
- Department of Ophthalmology, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Wataru Kikushima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, 409-3898, Japan
| | - Ryo Mukai
- Department of Ophthalmology, Gunma University School of Medicine, Gunma, 371-0034, Japan
| | - Akihiro Ohira
- Department of Ophthalmology, Shimane University Faculty of Medicine, Shimane, 693-0021, Japan
| | - Fumi Gomi
- Department of Ophthalmology, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan.,Department of Ophthalmology, Hyogo College of Medicine, Hyogo, 663-8501, Japan
| | | | - Kanji Takahashi
- Department of Ophthalmology, Kansai Medical University, Osaka, 573-1191, Japan
| | - Shoji Kishi
- Department of Ophthalmology, Gunma University School of Medicine, Gunma, 371-0034, Japan.,Maebashi Central Eye Clinic, Gunma, 371-0031, Japan
| | - Hiroyuki Iijima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, 409-3898, Japan
| | - Tetsuju Sekiryu
- Department of Ophthalmology, Fukushima Medical University School of Medicine, Fukushima, 960-1247, Japan
| | - Tomohiro Iida
- Department of Ophthalmology, Tokyo Women's Medical University, School of Medicine, Tokyo, 162-8666, Japan
| | - Takuya Awata
- Department of Diabetes, Endocrinology and Metabolism, International University of Health and Welfare Hospital, 537-3 Iguchi, Nasu-Shiobara, Tochigi, 329-2763, Japan
| | - Satoshi Inoue
- Division of Gene Regulation and Signal Transduction, Research Center for Genomic Medicine, Saitama Medical University, Hidaka, Saitama, 350-1241, Japan
| | - Ryo Yamada
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, 606-8507, Japan
| | - Fumihiko Matsuda
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, 606-8507, Japan
| | - Akitaka Tsujikawa
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606-8507, Japan.,Department of Ophthalmology, Kagawa University Faculty of Medicine, Miki, Kagawa, 761-0793, Japan
| | - Akira Negi
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Chuo, Kobe, 650-0017, Japan
| | - Shin Yoneya
- Department of Ophthalmology, Saitama Medical University, Iruma, Saitama, 350-0495, Japan
| | - Takeshi Iwata
- Division of Molecular and Cellular Biology, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, 152-8902, Japan
| | - Nagahisa Yoshimura
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606-8507, Japan
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Shijo T, Sakurada Y, Yoneyama S, Sugiyama A, Kikushima W, Tanabe N, Iijima H. Prevalence and characteristics of pseudodrusen subtypes in advanced age-related macular degeneration. Graefes Arch Clin Exp Ophthalmol 2017; 255:1125-1131. [PMID: 28251353 DOI: 10.1007/s00417-017-3622-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 01/04/2017] [Accepted: 02/14/2017] [Indexed: 10/20/2022] Open
Abstract
PURPOSE The purpose of our study was to investigate the clinical and genetic characteristics of pseudodrusen subtypes and their incidence in advanced age-related macular degeneration (AMD). METHODS We studied 84 eyes from 84 patients with pseudodrusen associated with advanced AMD, including typical AMD, polypoidal choroidal vasculopathy (PCV), retinal angiomatous proliferation (RAP), and geographic atrophy (GA). Multiple imaging modalities, including color fundus photography, spectral-domain optical coherence tomography (SD-OCT), near-infrared reflectance, and fundus autofluorescence, were employed to diagnose pseudodrusen and its subtypes. Subfoveal choroidal thickness was measured using SD-OCT. Subject eyes were classified into two subtypes, dot-dominant or ribbon-dominant, according to the maximum length of ribbon pseudodrusen. Genotyping was performed for ARMS2 A69S (rs10490924) and CFH I62V (rs800292) variants. RESULTS The percentage of ribbon-dominant type pseudodrusen was significantly higher in eyes with RAP (69.6%) and GA (78.6%) compared with those with typical AMD (31.1%) (p = .0025 and .0017, respectively). Multivariate logistic regression analysis disclosed that incidence of female patients and coexisting large soft drusen was significantly higher in ribbon- than dot-dominant types (P = 0.014 and P = 0.008, respectively), while age, subfoveal choroidal thickness, and risk allele frequency for both ARMS2 A69S (rs10490924) and CFH I62V (rs800292) were not different between the two pseudodrusen subtypes. CONCLUSIONS Among eyes with advanced AMD associated with pseudodrusen, ribbon-dominant type pseudodrusen were more prevalent in eyes with GA or RAP and were associated with large soft drusen and female patients.
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Affiliation(s)
- Taiyo Shijo
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Yoichi Sakurada
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan.
| | - Seigo Yoneyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Atsushi Sugiyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Wataru Kikushima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Naohiko Tanabe
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Hiroyuki Iijima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
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Kikushima W, Sakurada Y, Sugiyama A, Tanabe N, Yoneyama S, Iijima H. Retreatment of polypoidal choroidal vasculopathy after photodynamic therapy combined with intravitreal ranibizumab. Jpn J Ophthalmol 2016; 61:61-66. [PMID: 27663239 DOI: 10.1007/s10384-016-0479-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 08/30/2016] [Indexed: 11/24/2022]
Abstract
PURPOSE To investigate the incidence, risk factors and effect on visual improvement of retreatment within 60 months after initial photodynamic therapy (PDT) combined with intravitreal ranibizumab (IVR) in eyes with treatment-naïve polypoidal choroidal vasculopathy (PCV). METHODS We retrospectively reviewed the medical records of 61 eyes from 60 patients with PCV, who were followed up for at least 12 months after undergoing combination therapy. Retreatment, including combination therapy or IVR alone, was administered if residual or recurrent exudative changes were present. RESULTS During the follow-up period (mean 44 ± 13 months, median 48 months), 46 eyes (75.4 %) underwent retreatment. Survival analysis revealed that the proportions of eyes that were retreatment-free were 59 % at the 12-month visit, 41 % at the 24 month, 31 % at the 36 month, and 20 % at the 60-month visit. The median retreatment-free period was 15.0 [95 % confidence interval (CI) 7.4-22.7] months, and the mean period was 24.9 (95 % CI 19.3-30.6) months. Cox regression analysis revealed that older age (P = 0.010, hazard ratio 1.06, CI 1.02-1.11) and male gender (P = 0.043, hazard ratio 2.41, CI 1.03-5.62) were associated with retreatment. Visual improvement was significantly better in eyes without retreatment compared with those with retreatment at the 12-, 24- and 48-month visits. CONCLUSIONS About 80 % of eyes with PCV require retreatment within 5 years after combination therapy with PDT and IVR. Retreatment is associated with older age and male gender and is related to reduced improvement of visual acuity.
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Affiliation(s)
- Wataru Kikushima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Yoichi Sakurada
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan.
| | - Atsushi Sugiyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Naohiko Tanabe
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Seigo Yoneyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
| | - Hiroyuki Iijima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
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22
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Kume A, Ohshiro T, Sakurada Y, Kikushima W, Yoneyama S, Kashiwagi K. Treatment Patterns and Health Care Costs for Age-Related Macular Degeneration in Japan. Ophthalmology 2016; 123:1263-8. [DOI: 10.1016/j.ophtha.2016.01.042] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Revised: 01/21/2016] [Accepted: 01/27/2016] [Indexed: 11/28/2022] Open
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23
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Sakurada Y, Yoneyama S, Sugiyama A, Tanabe N, Kikushima W, Mabuchi F, Kume A, Kubota T, Iijima H. Prevalence and Genetic Characteristics of Geographic Atrophy among Elderly Japanese with Age-Related Macular Degeneration. PLoS One 2016; 11:e0149978. [PMID: 26918864 PMCID: PMC4769020 DOI: 10.1371/journal.pone.0149978] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2015] [Accepted: 02/08/2016] [Indexed: 11/18/2022] Open
Abstract
Objective To investigate the prevalence and genetic characteristics of geographic atrophy (GA) among elderly Japanese with advanced age-related macular degeneration (AMD) in a clinic-based study. Methods Two-hundred and ninety consecutive patients with advanced AMD were classified into typical neovascular AMD, polypoidal choroidal vasculopathy (PCV), retinal angiomatous proliferation (RAP) or geographic atrophy (GA). Genetic variants of ARMS2 A69S (rs10490924) and CFH I62V (rs800292) were genotyped using TaqMan Genotyping Assays. The clinical and genetic characteristics were compared between patients with and without GA. Results The number of patients diagnosed as having typical neovascular AMD, PCV, RAP and GA were 98 (33.8%), 151 (52.1%), 22 (7.5%) and 19 (6.6%), respectively. Of 19 patients with GA, 13 patients (68.4%) had unilateral GA with exudative AMD in the contralateral eye. Patients with GA were significantly older, with a higher prevalence of reticular pseudodrusen, bilateral involvement of advanced AMD and T-allele frequency of ARMS2 A69S compared with those with typical AMD and PCV; although there were no differences in the genetic and clinical characteristics among patients with GA and RAP. Conclusions The prevalence of GA was 6.6% among elderly Japanese with AMD. Patients with GA and RAP exhibited genetic and clinical similarities.
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Affiliation(s)
- Yoichi Sakurada
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
- * E-mail:
| | - Seigo Yoneyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Atsushi Sugiyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Naohiko Tanabe
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Wataru Kikushima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Fumihiko Mabuchi
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Atsuki Kume
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Takeo Kubota
- Department of Epigenetics, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Hiroyuki Iijima
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
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Yasui M, Yoneyama S, Uemura K, Kawahara T, Hattori Y, Teranishi JI, Ohta JI, Yokomizo Y, Masahiro Y, Masataka T, Uemura H, Miyoshi Y. 245P Predictive factor of metastatic castration-resistant prostate cancer patients' poor response to secondary alternative antiandrogen therapy with flutamide. Ann Oncol 2015. [DOI: 10.1093/annonc/mdv524.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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25
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Chiba T, Yoneyama S, Nakagomi T, Takahashi H, Iijima H. [A Case of Metastatic Endophthalmitis Resulting from Liver Abscess Complicated with Pyogenic Ventriculitis via Optic Nerve]. Nippon Ganka Gakkai Zasshi 2015; 119:686-692. [PMID: 26571629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND Intracranial extension of infection via the optic nerve is a rare but serious complication of bacterial endophthalmitis. CASE A 79-year-old women was hospitalized complaining of right eyelid swelling, severe hyperemia and purulent conjunctival discharge in the right eye. Although the fundus was invisible due to cataract, right endophthalmitis of unknown origin was suggested by pus in the anterior chamber and brain computed tomography (CT) findings showing nasal scleral rupture and orbital cellulitis. Systemic examination revealed pyogenic liver abscess and percutaneous drainage of abscess disclosed Klebsiella pneumoniae, which was also isolated from conjunctival discharge. Because diffusion-weighted magnetic resonance imaging (MRI) findings demonstrated right optic neuritis and ventriculitis, enucleation of her right eye was performed based on the diagnosis of pyogenic ventriculitis via the optic nerve. Klebsiella pneumoniae was detected in both stumps of the transected right optic nerve. Despite intensive anti-bacterial treatment, she died of acute respiratory distress syndrome 46 days after hospitalization. CONCLUSION Severe bacterial endophthalmitis may cause intracranial infection via the optic nerve.
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Tateno Y, Sakurada Y, Yoneyama S, Kikushima W, Mabuchi F, Sugiyama A, Tanabe N, Kubota T, Iijima H. Risk Factors for Second Eye Involvement in Eyes with Unilateral Polypoidal Choroidal Vasculopathy. Ophthalmic Genet 2015; 37:177-82. [DOI: 10.3109/13816810.2015.1020557] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
| | | | | | | | | | | | | | - Takeo Kubota
- Epigenetics, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
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27
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Uemura K, Miyoshi Y, Yoneyama S, Hattori Y, Teranishi J, Takebayashi S, Uemura H, Yao M. 410 Prognostic value of computer-aided diagnosis system for bone scan among men with docetaxel treatment for metastatic castration-resistance prostate cancer. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30244-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Yoneyama S, Miyoshi Y, Moriyama M, Uemura K, Takebayashi S, Uemura H, Yao M. 2524 Prognostic value of bone scan index (BSI) using computer-aided diagnosis system for bone scans in hormone-naive prostate cancer patients with bone metastases. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31343-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Sakurada Y, Nakamura Y, Yoneyama S, Mabuchi F, Gotoh T, Tateno Y, Sugiyama A, Kubota T, Iijima H. Aqueous Humor Cytokine Levels in Patients with Polypoidal Choroidal Vasculopathy and Neovascular Age-Related Macular Degeneration. Ophthalmic Res 2014; 53:2-7. [DOI: 10.1159/000365487] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 06/20/2014] [Indexed: 11/19/2022]
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30
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Yoneyama S, Miyoshi Y, Takebayashi S, Noguchi K. Prognostic Value of Computer-Aided Diagnosis System for Bone Scans in Hormone-Naive Prostate Cancer Patients with Bone Metastases. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu336.46] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yoneyama S, Sakurada Y, Mabuchi F, Sugiyama A, Kubota T, Iijima H. Genetic variants in the SKIV2L gene in exudative age-related macular degeneration in the Japanese population. Ophthalmic Genet 2014; 35:151-5. [PMID: 24865191 DOI: 10.3109/13816810.2014.921313] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND To investigate whether genetic variant in superkiller viralicidic activity 2-like (SKIV2L) gene is associated with exudative age-related macular degeneration (AMD) including neovascular AMD, polypoidal choroidal vasculopathy (PCV), and retinal angiomatous proliferation (RAP). MATERIALS AND METHODS A total of 517 patients with exudative AMD comprised of 157patients with neovascular AMD, 333 patients with PCV, and 27patients with RAP, and 205 controls were enrolled in this study. Rs429608 inSKIV2L, rs800292 in complement factor H (CFH), rs10490924 in age-related maculopathy susceptibility2 (ARMS2) gene was genotyped using TaqMan technology. Logistic regression analysis was performed to correlate the risk for exudative AMD with demographic and genetic factors. RESULTS The A allele frequency of rs429608 in the SKIV2L gene was significantly higher in controls (13.9%) than in those with neovascular AMD (5.7%, p = 0.002), PCV (7.2%, p = 0.003) and RAP (3.7%, p = 0.0345). After adjusting for age, gender, ARMS2 A69S, and CFHI62V, the A allele of rs429608 was significantly protective against neovascular AMD (odds ratio [OR] 0.24, 95% confidence interval [CI] 0.122-0.484, p < 0.001), PCV (OR 0.43, 95% CI 0.262-0.704, p = 0.001), RAP (OR 0.09, 95% CI 0.014-0.581, p = 0.011). CONCLUSIONS A SKIV2L variant was associated with protection against exudative AMD regardless of subtypes in the Japanese population.
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Yoneyama S, Sakurada Y, Mabuchi F, Imasawa M, Sugiyama A, Kubota T, Iijima H. Genetic and clinical factors associated with reticular pseudodrusen in exudative age-related macular degeneration. Graefes Arch Clin Exp Ophthalmol 2014; 252:1435-41. [PMID: 24595987 DOI: 10.1007/s00417-014-2601-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Revised: 01/17/2014] [Accepted: 02/07/2014] [Indexed: 11/28/2022] Open
Abstract
BACKGROUNDS Reticular pseudodrusen (RPD) is considered to be a distinct entity from soft drusen and a risk factor for age-related macular degeneration (AMD). In the present study, we investigate the genetic and clinical factors associated with reticular pseudodrusen (RPD) in patients with exudative AMD, including polypoidal choroidal vasculopathy (PCV), typical neovascular AMD, and retinal angiomatous proliferation (RAP). METHODS The presence or absence of RPD was studied among 408 patients with exudative AMD in at least one eye, and the clinical characteristics of those with RPD were investigated as well as genetic polymorphisms of ARMS2 A69S (rs10490924) and CFH I62V (rs800292). Subfoveal choroidal thickness was also evaluated in a limited number of subjects using the EDI mode of spectral-domain optical coherence tomography. RESULTS The prevalence of RPD was significantly higher in RAP eyes than in typical neovascular AMD or in PCV eyes (38.2% of 26 eyes, 13.6% of 132 eyes and 0% of 250 eyes respectively, P < 0.0001). RPD was significantly more prevalent in the elderly (P < 0.0001) and female (P < 0.0001) subjects. The subfoveal choroidal thickness was thinner in eyes with RPD than in those without (129.7 ± 61.7 μm vs 42.6 ± 84.9 μm, P < 0.0001). The frequency of risk variants of ARMS2 A69S was significantly higher in eyes with RPD than in those without RPD (85.7% vs 63.8%, P = 0.0009), although the frequency of CFH I62V was not significantly different between those with and without RPD. Logistic regression analysis revealed that age (odds ratio [OR]:1.10; 95% confidence interval [CI]: 1.04-1.18; p = 0.002), female gender (OR:4.26; 95%CI: 1.72-10.4; p = 0.002), T-allele at ARMS2 A69S (OR: 3.23; 95%CI: 1.36-7.68; p = 0.008) and RAP (OR: 4.25; 95%CI:1.49-12.1; p = 0.007) were risk factors for RPD. CONCLUSIONS Among eyes with exudative AMD, RPD is more common in eyes with RAP having a thin choroid at the fovea, especially in old, female patients with the risk variant of ARMS2 A69S.
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Affiliation(s)
- Seigo Yoneyama
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Shimokato 1110, Chuo, Yamanashi, 409-3898, Japan
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Yoneyama S, Terashima H, Yamaguchi R, Tadano S, Ohkohchi N. PP021-SUN ACUTE HYPERGLYCEMIA SECONDARY TO OVERFEEDING AND INSULIN THERAPY UNDER SEPTIC CONDITIONS MAY CAUSE SEVERE METABOLIC DISTURBANCES. Clin Nutr 2013. [DOI: 10.1016/s0261-5614(13)60067-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Nakata I, Yamashiro K, Akagi-Kurashige Y, Miyake M, Kumagai K, Tsujikawa A, Liu K, Chen LJ, Liu DTL, Lai TYY, Sakurada Y, Yoneyama S, Cheng CY, Cackett P, Yeo IY, Tay WT, Cornes BK, Vithana EN, Aung T, Matsuo K, Matsuda F, Wong TY, Iijima H, Pang CP, Yoshimura N. Association of genetic variants on 8p21 and 4q12 with age-related macular degeneration in Asian populations. Invest Ophthalmol Vis Sci 2012; 53:6576-81. [PMID: 22930721 DOI: 10.1167/iovs.12-10219] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
PURPOSE To evaluate the association of genetic variants at chromosomes 8p21 and 4q12 with the risk of developing AMD and its two main subtypes, choroidal neovascular membrane (CNV) and polypoidal choroidal vasculopathy (PCV), in Asian populations. METHODS The study population comprised 2360 patients with neovascular AMD (1013 typical AMD-CNV and 1282 PCV), and 3598 controls from four independent cohorts, two of Japanese (n = 4859) and two of Chinese (n = 1099) ethnicity. We performed a meta-analysis in case-control studies of two reported single nucleotide polymorphisms (SNPs) (rs13278062 at TNFRSF10A-LOC389641 on 8p21 and rs1713985 at REST-C4orf14-POLR2B-IGFBP7 on 4q12) by using logistic regression analysis adjusted for age and sex. Subgroup analysis by CNV and PCV subtypes were performed to evaluate the significance of these two variants. RESULTS The reported association between rs13278062 at 8p21 and neovascular AMD was replicated in this population (P = 1.12 × 10(-4), odds ratio [OR] = 0.79, 95% confidence interval [CI] = 0.70-0.89). However, there was no association of rs1713985 at 4q12 with neovascular AMD, or its two subtypes, typical AMD-CNV and PCV (all P > 0.05). The study sample size had a statistical power of greater than 99% to detect an association of a risk allele with AMD with an OR of 1.30, as reported in the original study of rs1713985 and AMD. CONCLUSIONS The present results did not replicate the reported association between rs1713985 at 4q12 and neovascular AMD. However, we confirmed the association between rs13278062 at 8p21 and neovascular AMD in Asian populations.
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Affiliation(s)
- Isao Nakata
- Department of Ophthalmology and the Center for Genomic Medicine/INSERM U.852, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Sakurada Y, Mabuchi F, Yoneyama S, Kubota T, Iijima H. Polymorphisms in ARMS2 (LOC387715) and LOXL1 genes in the Japanese with age-related macular degeneration. Am J Ophthalmol 2011; 152:499. [PMID: 21855673 DOI: 10.1016/j.ajo.2011.04.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2011] [Accepted: 04/06/2011] [Indexed: 10/17/2022]
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Yoneyama S, Miura K, Itai K, Yoshita K, Nakagawa H, Shimmura T, Okayama A, Sakata K, Saitoh S, Ueshima H, Elliott P, Stamler J. Dietary intake and urinary excretion of selenium in the Japanese adult population: the INTERMAP Study Japan. Eur J Clin Nutr 2008; 62:1187-93. [PMID: 17622257 PMCID: PMC6660158 DOI: 10.1038/sj.ejcn.1602842] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2006] [Revised: 03/08/2007] [Accepted: 04/27/2007] [Indexed: 11/09/2022]
Abstract
OBJECTIVE This study is to examine the relationship between dietary selenium intake and 24-h urinary selenium excretion in Japanese population samples participating in the INTERMAP Study. METHODS Using highly standardized methods, we assessed individual dietary selenium intake from four 24-h dietary recalls and measured urinary selenium excretion in two timed 24-h urine collections in 1145 Japanese participants (574 men and 571 women) ages 40-59 years in four areas of Japan. RESULTS The medians of dietary selenium intake were 177.5 microg/day in men and 139.8 microg/day in women; the medians of 24-h urinary selenium excretion were 127.9 microg/day in men and 109.4 microg/day in women, that is, urinary excretion was estimated to be 73% of dietary intake in men and 77% in women. Dietary selenium intake was significantly correlated with 24-h urinary selenium excretion (r=0.24 in men, r=0.18 in women; P<0.001). With dietary selenium intake and urinary selenium excretion expressed per kg of body weight, values were similar for men and women (dietary intake, 2.7 microg/kg body weight in men and 2.5 microg/kg body weight in women; urinary excretion, 2.0 microg/kg body weight in men and 2.0 microg/kg body weight in women). CONCLUSION Dietary intake and 24-h urinary excretion of selenium are related in the Japanese adult population.
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Affiliation(s)
- S Yoneyama
- Department of Epidemiology and Public Health, Kanazawa Medical University, Ishikawa, Japan
| | - K Miura
- Department of Epidemiology and Public Health, Kanazawa Medical University, Ishikawa, Japan
| | - K Itai
- Department of Hygiene and Preventive Medicine, Iwate Medical University, Iwate, Japan
| | - K Yoshita
- Division of Health and Nutrition Monitoring, National Institute of Health and Nutrition, Tokyo, Japan
| | - H Nakagawa
- Department of Epidemiology and Public Health, Kanazawa Medical University, Ishikawa, Japan
| | - T Shimmura
- Department of Environmental Health, Toyama Institute of Health, Toyama, Japan
| | - A Okayama
- Department of Preventive Cardiology, National Cardiovascular Center, Osaka, Japan
| | - K Sakata
- Department of Hygiene and Preventive Medicine, Iwate Medical University, Iwate, Japan
| | - S Saitoh
- Second Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
| | - H Ueshima
- Department of Health Science, Shiga University of Medical Science, Shiga, Japan
| | - P Elliott
- Department of Epidemiology and Public Health, Faculty of Medicine, St Mary’s Campus, Imperial College, London, UK
| | - J Stamler
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
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Kek KJ, Miyakawa T, Yoneyama S, Kudo N, Yamamoto K. Simulation of exercise-dependent difference in metabolism with a mathematical model for analyses of measurements using near-infrared spectroscopy. Conf Proc IEEE Eng Med Biol Soc 2008; 2006:5101-4. [PMID: 17946676 DOI: 10.1109/iembs.2006.260069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Near-infrared spectroscopy (NIRS) is a useful technique for noninvasive measurement of muscle oxygenation. However, analyses of the dynamic changes in muscle metabolism based only on experimental observations of NIRS are difficult. Therefore, we constructed a mathematical model of muscle metabolism, comprising of the ATP synthesizing systems and O2 diffusion system, to identify the mechanisms responsible for those observations. A customized NIRS instrument was used to measure the changes in muscle oxygenation of the forearm flexor muscles during intermittent and continuous isometric flexion exercises when healthy male subjects participated in exercises tests. The exercise-dependent difference in changes could be distinguished and the simulated results agreed well with that measured experimentally. Although the contraction intensity for both exercises was identical, the magnitude of energy needed to perform the respective exercises was different. This difference was reflected by the changes in the ATP synthesizing systems, in which the energy needed during the latter-half of continuous exercise was mostly supplied by anaerobic system, whereas that during intermittent exercise was supplied by the aerobic and anaerobic systems that operated synergistically. From the results, we conclude that the model could be a useful tool for the elucidation of the relationship between experimental observations of NIRS and muscle metabolism.
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Affiliation(s)
- K J Kek
- Graduate School of Information Science & Technology, Hokkaido University, Japan.
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Yoneyama S, Okaji Y, Tsuno NH, Kawai K, Yamashita H, Tsuchiya T, Yamada J, Sunami E, Osada T, Kitayama J, Takahashi K, Nagawa H. A study of dendritic and endothelial cell interactions in colon cancer in a cell line and small mammal model. Eur J Surg Oncol 2007; 33:1191-8. [PMID: 17314028 DOI: 10.1016/j.ejso.2007.01.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [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: 10/31/2006] [Accepted: 01/09/2007] [Indexed: 01/09/2023] Open
Abstract
AIM Historically, cancer therapy directly targeting tumor cells have yielded suboptimal clinical results, and therefore anti-angiogenic therapy that targets tumor cells indirectly through impairing tumor vasculature is now considered to be one of the novel approaches potentially effective against various types of cancer. In this study, we evaluated whether lysates of endothelium could be effectively pulsed in dendritic cells (DCs), to enhance their anti-tumor effects. METHODS For this purpose, we prepared DCs of BALB/c mouse, incubated them with lysates of autologous or xenogeneic endothelium, and tested their anti-tumor effects in two syngeneic models of colon cancer. RESULTS DCs pulsed with the respective endothelium lysates significantly inhibited the growth of subcutaneous tumors as well as pulmonary metastases in mice, and their anti-tumor effect was superior to that of unpulsed DCs. Immunohistopathological analysis showed significant decrease in the mean vascular density of tumors, correlating well with the extent of tumor inhibition. In vitro analysis of splenocytes isolated from immunized mice revealed an induction of cytotoxic T lymphocytes and activation of natural killer cells, with a lytic activity against activated endothelium but not tumor cells. In addition, antibodies reacting with activated endothelium, but not tumor cells, were detected in murine sera by ELISA, and their function was confirmed by complement-dependent cytotoxicity assay. CONCLUSIONS Our present results suggest that lysates of endothelium can be effectively pulsed in DCs and enhance their anti-tumor effects through induction of anti-angiogenesis, and therefore should have important clinical implications for adjuvant cancer therapy.
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Affiliation(s)
- S Yoneyama
- Department of Surgical Oncology, Faculty of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.
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Yamada J, Tsuno H, Kitayama J, Tanaka J, Tsuchiya T, Yoneyama S, Okaji Y, Takahashi K, Nagawa H. 721 POSTER Inhibitory effect of Zoledronic acid on endothelial progenitor cells differentiation. EJC Suppl 2007. [DOI: 10.1016/s1359-6349(07)70520-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Christov NK, Yoneyama S, Shimamoto Y, Imai R. Differential expression of wheat genes during cold acclimation. Tsitol Genet 2007; 41:13-22. [PMID: 17649620] [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] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Overwintering crops such as winter wheat display significant increase in freezing tolerance during a period of cold acclimation (CA). To gain better understanding of molecular mechanisms of CA, it is important to unravel functions and regulations of CA-associated genes. Differential screening of a cDNA library constructed from cold acclimated crown tissue of winter wheat identified three novel CA-associated cDNA clones. Nucleotide sequence analysis showed that the clones encode a high mobility globular protein (HMGB1), a glycine-rich RNA-binding protein (TaGRP2), and a LEA D-11 dehydrin (DHN14). Accumulation of the three mRNAs during 14 days of CA was differentially regulated. In response to drought, and ABA, DHN14 mRNA rapidly accumulated while HMGB1 and TaGRP2 mRNA levels remained unchanged. The possible functions of each of these genes in cold acclimation are discussed.
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Affiliation(s)
- N K Christov
- Crop Cold Tolerance Research Team, National Agricultural Research Center for Hokkaido Region, Hitsujigaoka 1, Toyohira-ku, Sapporo 062-08555, Japan
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Affiliation(s)
- Y Takahashi
- Tochigi Prefectural Kenhoku Livestock Hygiene Service Centre, 12-14 Midori, Nishinasuno, Nasu, Tochigi 329-2713, Japan
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Okaji Y, Tsuno NH, Saito S, Yoneyama S, Tanaka M, Nagawa H, Takahashi K. Vaccines targeting tumour angiogenesis--a novel strategy for cancer immunotherapy. Eur J Surg Oncol 2006; 32:363-70. [PMID: 16520018 DOI: 10.1016/j.ejso.2006.01.016] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [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: 10/19/2005] [Accepted: 01/26/2006] [Indexed: 01/30/2023] Open
Abstract
AIMS To review the concept of tumour angiogenesis and anti-angiogenic therapy, limitations of recently used anti-angiogenic therapeutics; provide an up-to-date overview of the growing number of reports on vaccines targeting tumour angiogenesis; and finally discuss potential complications and future directions in the development of more potent and specific vaccines. METHODS A literature search was carried out from PubMed for indexed articles. The most important articles were analysed and discussed. FINDINGS The search yielded a large number of important indexed published articles that were reviewed, screened and tracked for other relevant publications. The most relevant articles, including those previously published by authors, were analysed and discussed. CONCLUSIONS Recently, different vaccine strategies have been reported to inhibit tumour growth and metastasis by induction of specific cellular and/or humoral immunity against angiogenesis-associated antigens in pre-clinical models, suggesting effective combination of anti-angiogenesis and cancer immunotherapy. Evaluation of tumour endothelial cells and clinical phase I study of the vaccines are recently ongoing, and should give us better insight into the possibilities of this novel strategy for cancer immunotherapy.
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Affiliation(s)
- Y Okaji
- Department of Surgical Oncology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
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Shinozuka H, Hisano H, Yoneyama S, Shimamoto Y, Jones ES, Forster JW, Yamada T, Kanazawa A. Gene expression and genetic mapping analyses of a perennial ryegrass glycine-rich RNA-binding protein gene suggest a role in cold adaptation. Mol Genet Genomics 2006; 275:399-408. [PMID: 16614778 DOI: 10.1007/s00438-005-0095-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [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: 10/21/2005] [Accepted: 12/17/2005] [Indexed: 10/25/2022]
Abstract
A perennial ryegrass cDNA clone encoding a putative glycine-rich RNA binding protein (LpGRP1) was isolated from a cDNA library constructed from crown tissues of cold-treated plants. The deduced polypeptide sequence consists of 107 amino acids with a single N-terminal RNA recognition motif (RRM) and a single C-terminal glycine-rich domain. The sequence showed extensive homology to glycine-rich RNA binding proteins previously identified in other plant species. LpGRP1-specific genomic DNA sequence was isolated by an inverse PCR amplification. A single intron which shows conserved locations in plant genes was detected between the sequence motifs encoding RNP-1 and RNP-2 consensus protein domains. A significant increase in the mRNA level of LpGRP1 was detected in root, crown and leaf tissues during the treatment of plants at 4 degrees C, through which freezing tolerance is attained. The increase in the mRNA level was prominent at least 2 h after the commencement of the cold treatment, and persisted for at least 1 week. Changes in mRNA level induced by cold treatment were more obvious than those due to treatments with abscisic acid (ABA) and drought. The LpGRP1 protein was found to localise in the nucleus in onion epidermal cells, suggesting that it may be involved in pre-mRNA processing. The LpGRP1 gene locus was mapped to linkage group 2. Possible roles for the LpGRP1 protein in adaptation to cold environments are discussed.
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Affiliation(s)
- H Shinozuka
- Graduate School of Agriculture, Hokkaido University, 060-8589 Sapporo, Japan
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Tojo M, Ono H, Nakashima C, Yoneyama S, Jayakody JAS. First Report of Root Rot of Cocoyam Caused by Pythium myriotylum in Sri Lanka. Plant Dis 2005; 89:1132. [PMID: 30791298 DOI: 10.1094/pd-89-1132c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Root rot of cocoyam (Xanthosoma sagittifolium L. Schott) caused by Pythium myriotylum Drechsler is a major disease of this crop in Africa (1,2) but is unreported from other regions of the world. During September 1999, commercially grown cocoyam (cv. Ratu-kiri-ala) in Gampaha (7°05'N, 80°00'E), Sri Lanka suffered from severe root rot. Initial symptoms were water-soaked lesions at the root tips that gradually enlarged to rot the entire root system and tuber. Wilting and yellowing of leaves were observed in advanced stages of disease. A Pythium sp. was regularly isolated from the affected roots and an isolate, SC5, was identified as P. myriotylum on the basis of morphology and the internal transcribed spacer (ITS) rDNA sequence. Characteristics of isolate SC5, grown on a grass-leaf water culture (3) were main hyphae up to 8.5 μm wide, oogonia terminal or intercalary (22.5 to 33.8 μm in diameter), antheridia diclinous occasionally monoclinous, one to eight per oogonium, stalks branched, often more or less loosely enveloping the oogonium, antheridium clavate or crook-necked, making apical contact with the oogonium, breadth of antheridium 2.5 to 7.0 μm, oospores aplerotic (17.0 to 22.5 μm in diameter), oospore wall 0.8 to 2.0 μm in thickness, sporangia terminal or intercalary, filamentous, inflated lobulate, and digitate, of variable length, breadth of sporangia 7.0 to 17.5 μm, formed in water; zoospores formed at 25°C, and diameter of encysted zoospores 10.0 to 12.5 μm. Cardinal temperatures on potato carrot agar 8°C minimum, 34°C optimum, and 37°C maximum with daily radial growth rate for 34°C at 32.8 mm. The ITS rDNA sequence of the isolate matched the sequences of P. myriotylum in GenBank (Accession Nos. AB095051 and AF452156) and isolate CBS254.70 used for the species description by van der Plaats-Niterink (3). The sequence of SC5 has been deposited in GenBank, Accession No. DQ102701. Pathogenicity tests used potted cocoyam plants (20 cm high), planted in an autoclaved potting mix. Four agar disks (8 mm in diameter) of isolate SC5 grown at 25°C for 48 h on potato dextrose agar was mashed and injected at a depth of 2 to 3 cm in the soil around the roots. Inoculated plants were placed in transparent plastic bags and kept for 7 days in a growth chamber maintained at 24 to 26°C with continuous light (52 to 98 μmol m-2·s-1). The experiment was carried out twice with three replications for each test. Dark brown rotting on roots and wilting of leaves were observed in 7 days after the inoculation. P. myriotylum was reisolated from diseased tissues and found to be morphologically identical to the original isolate SC5. Noninoculated control plants remained healthy. On the basis of the symptoms, morphological and molecular characteristics and confirmation of pathogenicity, P. myriotylum is the causal agent of root rot of cocoyam. To our knowledge, this is the first report of P. myriotylum causing root rot of cocoyam in Sri Lanka. References: (1) S. Nzietchueng. L'agronomie Tropicale 38:321, 1983. (2) R. P. Pacumbaba et al. J. Phytopathol. 135:265, 1992. (3) A. J. Van Der Plaats-Niterink. Stud. Mycol. 21:1, 1981.
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Affiliation(s)
- M Tojo
- Graduate School of Agriculture and Biological Sciences, Osaka Prefecture University, Sakai 599-8531, Japan
| | - H Ono
- Appropriate Agriculture International Co. Ltd., Haramachida, Machida 194-0013, Japan
| | - C Nakashima
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai 599-8531, Japan
| | - S Yoneyama
- Japan Horticulture Production and Research Institute, Kamishiki, Matsudo 270-2221, Japan
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Airapetian A, Akopov N, Akopov Z, Amarian M, Ammosov VV, Aschenauer EC, Avakian H, Avakian R, Avetissian A, Avetissian E, Bailey P, Baturin V, Baumgarten C, Beckmann M, Belostotski S, Bernreuther S, Bianchi N, Blok HP, Böttcher H, Borissov A, Bouhali O, Bouwhuis M, Brack J, Brauksiepe S, Brüll A, Brunn I, Bulten HJ, Capitani GP, Cisbani E, Ciullo G, Court GR, Dalpiaz PF, De Leo R, De Nardo L, De Sanctis E, Devitsin E, de Witt Huberts PKA, Di Nezza P, Düren M, Ehrenfried M, Elbakian G, Ellinghaus F, Elschenbroich U, Ely J, Fabbri R, Fantoni A, Fechtchenko A, Felawka L, Filippone BW, Fischer H, Fox B, Franz J, Frullani S, Gärber Y, Gapienko V, Garibaldi F, Garutti E, Gavrilov G, Gharibyan V, Graw G, Grebeniouk O, Green PW, Greeniaus LG, Gute A, Haeberli W, Hafidi K, Hartig M, Hasch D, Heesbeen D, Heinsius FH, Henoch M, Hertenberger R, Hesselink WHA, Hofman G, Holler Y, Holt RJ, Hommez B, Iarygin G, Izotov A, Jackson HE, Jgoun A, Jung P, Kaiser R, Kinney E, Kisselev A, Kitching P, Königsmann K, Kolster H, Kopytin M, Korotkov V, Kotik E, Kozlov V, Krauss B, Krivokhijine VG, Kyle G, Lagamba L, Laziev A, Lenisa P, Liebing P, Lindemann T, Lorenzon W, Maas A, Makins NCR, Marukyan H, Masoli F, Menden F, Mexner V, Meyners N, Mikloukho O, Miller CA, Muccifora V, Nagaitsev A, Nappi E, Naryshkin Y, Nass A, Negodaeva K, Nowak WD, Oganessyan K, Orlandi G, Podiatchev S, Potashov S, Potterveld DH, Raithel M, Rappoport V, Reggiani D, Reimer P, Reischl A, Reolon AR, Rith K, Rostomyan A, Ryckbosch D, Sakemi Y, Sanjiev I, Sato F, Savin I, Scarlett C, Schäfer A, Schill C, Schmidt F, Schnell G, Schüler KP, Schwind A, Seibert J, Seitz B, Shanidze R, Shibata TA, Shutov V, Simani MC, Sinram K, Stancari M, Steffens E, Steijger JJM, Stewart J, Stösslein U, Suetsugu K, Taroian S, Terkulov A, Tessarin S, Thomas E, Tipton B, Tytgat M, Urciuoli GM, van den Brand JFJ, van der Steenhoven G, van de Vyver R, Vetterli MC, Vikhrov V, Vincter MG, Visser J, Volmer J, Weiskopf C, Wendland J, Wilbert J, Wise T, Yen S, Yoneyama S, Zihlmann B, Zohrabian H. Evidence for quark-hadron duality in the proton spin asymmetry A1. Phys Rev Lett 2003; 90:092002. [PMID: 12689215 DOI: 10.1103/physrevlett.90.092002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2002] [Indexed: 05/24/2023]
Abstract
Spin-dependent lepton-nucleon scattering data have been used to investigate the validity of the concept of quark-hadron duality for the spin asymmetry A1. Longitudinally polarized positrons were scattered off a longitudinally polarized hydrogen target for values of Q2 between 1.2 and 12 GeV2 and values of W2 between 1 and 4 GeV2. The average double-spin asymmetry in the nucleon resonance region is found to agree with that measured in deep-inelastic scattering at the same values of the Bjorken scaling variable x. This finding implies that the description of A1 in terms of quark degrees of freedom is valid also in the nucleon resonance region for values of Q2 above 1.6 GeV2.
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Affiliation(s)
- A Airapetian
- Yerevan Physics Institute, 375036, Yerevan, Armenia
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Airapetian A, Akopov N, Akopov Z, Amarian M, Ammosov VV, Andrus A, Aschenauer EC, Augustyniak W, Avakian R, Avetissian A, Avetissian E, Bailey P, Baturin V, Baumgarten C, Beckmann M, Belostotski S, Bernreuther S, Bianchi N, Blok HP, Böttcher H, Borissov A, Bouwhuis M, Brack J, Brüll A, Brunn I, Capitani GP, Chiang HC, Ciullo G, Contalbrigo M, Court GR, Dalpiaz PF, De Leo R, De Nardo L, De Sanctis E, Devitsin E, Di Nezza P, Düren M, Ehrenfried M, Elalaoui-Moulay A, Elbakian G, Ellinghaus F, Elschenbroich U, Ely J, Fabbri R, Fantoni A, Fechtchenko A, Felawka L, Fox B, Franz J, Frullani S, Gärber Y, Gapienko G, Gapienko V, Garibaldi F, Garutti E, Gaskell D, Gavrilov G, Gharibyan V, Graw G, Grebeniouk O, Greeniaus LG, Haeberli W, Hafidi K, Hartig M, Hasch D, Heesbeen D, Henoch M, Hertenberger R, Hesselink WHA, Hillenbrand A, Holler Y, Hommez B, Iarygin G, Izotov A, Jackson HE, Jgoun A, Kaiser R, Kinney E, Kisselev A, Königsmann K, Kolster H, Kopytin M, Korotkov V, Kozlov V, Krauss B, Krivokhijine VG, Lagamba L, Lapikás L, Laziev A, Lenisa P, Liebing P, Lindemann T, Lorenzon W, Makins NCR, Marukyan H, Masoli F, Menden F, Mexner V, Meyners N, Mikloukho O, Miller CA, Miyachi Y, Muccifora V, Nagaitsev A, Nappi E, Naryshkin Y, Nass A, Negodaeva K, Nowak WD, Oganessyan K, Ohsuga H, Orlandi G, Podiatchev S, Potashov S, Potterveld DH, Raithel M, Reggiani D, Reimer P, Reischl A, Reolon AR, Rith K, Rosner G, Rostomyan A, Ryckbosch D, Sanjiev I, Savin I, Scarlett C, Schäfer A, Schill C, Schnell G, Schüler KP, Schwind A, Seibert J, Seitz B, Shanidze R, Shibata TA, Shutov V, Simani MC, Sinram K, Stancari M, Statera M, Steffens E, Steijger JJM, Stewart J, Stösslein U, Tanaka H, Taroian S, Tchuiko B, Terkulov A, Tessarin S, Thomas E, Tkabladze A, Trzcinski A, Tytgat M, Urciuoli GM, Van Der Nat P, Van Der Steenhoven G, Van De Vyver R, Vetterli MC, Vikhrov V, Vincter MG, Visser J, Vogt M, Volmer J, Weiskopf C, Wendland J, Wilbert J, Wise T, Yen S, Yoneyama S, Zihlmann B, Zohrabian H, Zupranski P. Q2 dependence of nuclear transparency for exclusive rho0 production. Phys Rev Lett 2003; 90:052501. [PMID: 12633347 DOI: 10.1103/physrevlett.90.052501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2002] [Indexed: 05/24/2023]
Abstract
Exclusive coherent and incoherent electroproduction of the rho(0) meson from 1H and 14N targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to the lifetime of hadronic fluctuations of the virtual photon, and squared four-momentum of the virtual photon (-Q2). The ratio of 14N to 1H cross sections per nucleon, called nuclear transparency, was found to increase (decrease) with increasing l(c) for coherent (incoherent) rho(0) electroproduction. For fixed l(c), a rise of nuclear transparency with Q2 is observed for both coherent and incoherent rho(0) production, which is in agreement with theoretical calculations of color transparency.
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Sawada T, Karaki K, Hayashi T, Yoneyama S, Mizushima Y, Moriyama T, Nishimura K, Kimura Y, Nakano M, Kato I. [Toxicity study of cefmatilen hydrochloride hydrate (S-1090) (7)--Three-month repeated oral dose toxicity study in juvenile dogs]. J Toxicol Sci 2001; 26 Suppl 1:135-47. [PMID: 11400309] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
To evaluate the repeated oral dose toxicity of Cefmatilen hydrochloride hydrate (S-1090) in juvenile dogs, S-1090 was administered to juvenile beagle dogs at dose levels of 50, 100, 200 and 400 mg potency/kg/day for 3 months. No deaths occurred. Urinalysis in the 400 mg potency/kg group revealed positive reactions of occult blood and protein, and erythrocytes in sediments. Cystitis was observed in the 200 and 400 mg potency/kg groups. In the thyroids, an increased weight in some animals in the groups dosed at 100 mg potency/kg or more and an increased follicular colloid in the 400 mg potency/kg group were observed. However, no related changes were noted in other examination items. Red to dark-red feces (due to chelated products of S-1090 or its decomposition products with Fe3+ in the diet) were observed in all treated groups. Plasma S-1090 concentrations increased in a manner less than dose-proportional. The lesions of urinary bladder were judged as S-1090-induced toxic changes and the NOAEL of S-1090 in this study was assessed to be 100 mg potency/kg/day.
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Affiliation(s)
- T Sawada
- Ina Research Inc., 8047 Nishiminowa, Ina, Nagano 399-4501, Japan
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Zen K, Ito K, Hikosaka T, Adachi Y, Yoneyama S, Kato S, Azuma A, Sugihara H. [Unusual changes detected by iodine-123 15-(p-iodophenyl)-3-R,S-methylpentadecanoic acid myocardial single photon emission computed tomography in the process of acute myocardial infarction: a case report]. J Cardiol 2001; 37:215-22. [PMID: 11337931] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Iodine-123 15-(p-iodophenyl)-3-R,S-methylpentadecanoic acid myocardial single photon emission computed tomography(iodine-123 BMIPP myocardial SPECT) is useful for the diagnosis and evaluation of ischemic myocardial disease or cardiomyopathy. Changes in fatty acid metabolism in the post-myocardial ischemic state were evaluated using iodine-123 BMIPP myocardial SPECT. A 77-year-old woman was hospitalized for treatment of acute myocardial infarction. Emergency coronary angiography showed severe stenosis with delayed filling of contrast medium in the middle portion of the left anterior descending artery, so primary percutaneous transluminal coronary angioplasty was performed successfully. On the second day, iodine-123 BMIPP uptake was decreased slightly on the early imaging in the apico-anterior region, and increased slightly on the delayed imaging. On the seventh day, iodine-123 BMIPP uptake was decreased moderately or markedly in the apico-anterior region on the early imaging, and decreased markedly on the delayed imaging. Iodine-123 BMIPP myocardial SPECT subsequently became almost normalized. These unusual dynamic changes In iodine-123 BMIPP myocardial SPECT imaging may reflect metabolic changes of fatty acids in the ischemic state, the size of the triacylglycerol pool, and the degree of turnover in the triacylglycerol pool.
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Affiliation(s)
- K Zen
- Department of Internal Medicine, Murakami Memorial Hospital, Asahi University, Gifu
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Nagata K, Kawasaki T, Okamoto A, Okano A, Yoneyama S, Ito K, Katoh S. Effectiveness of an antiplatelet agent for coronary artery ectasia associated with silent myocardial ischemia. Jpn Heart J 2001; 42:249-54. [PMID: 11384084 DOI: 10.1536/jhj.42.249] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A 74-year-old Japanese male was referred to our hospital because of an abnormal electrocardiogram. The electrocardiogram revealed tall P waves in leads II, III, and aV(F). Echocardiography disclosed hypokinesis extending from the anteroseptal region to the apex. Iodine-123 15-(p-iodophenyl)-3-(R,S)-methylpentadecanoic acid (123-BMIPP) scintigraphy revealed reduced uptake from the anteroseptal region to the apex. Coronary arteriography demonstrated diffuse dilatation of the right and left coronary arteries without organic stenosis, and left ventriculography showed hypokinesis at the same area. Furthermore, the coronary flow reserve in the left anterior descending artery was decreased. He was treated with an antiplatelet agent. Ten months later, the left ventriculography, 123I-BMIPP scintigraphy findings and coronary flow reserve were normalized. These findings demonstrate that antiplatelet therapy may be useful in the preservation of left ventricular function in patients with coronary artery ectasia.
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Affiliation(s)
- K Nagata
- Division of Cardiovascular Medicine, Murakami Memorial Hospital, Asahi University, Gifu, Japan
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