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Dive into the research topics where Ikuyo Maruyama is active.

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Featured researches published by Ikuyo Maruyama.


Japanese Journal of Ophthalmology | 2000

Two cases of primary open angle glaucoma with serum autoantibody against retinal ganglion cells

Yoko Ikeda; Hiroshi Ohguro; Ikuyo Maruyama

PURPOSEnTo present two cases of primary open angle glaucoma (POAG) with serum autoantibody against retinal 25 kDa or 50 kDa antigen.nnnMETHODSnOcular examinations were performed on a 60-year-old man (case 1) and a 74-year-old woman (case 2). We also performed serological and immunological examinations including Western blot analysis and immunocytochemical analysis.nnnRESULTSnIn Western blot analysis, they were found to have serum autoantibody against retinal 25 kDa or 50 kDa antigen, and immunocytochemical analysis revealed that retinal ganglion cell layers were specifically labeled by each patients IgG.nnnCONCLUSIONnWe report two interesting cases of POAG with serum autoantibody against retinal 25 kDa or 50 kDa antigen.


Japanese Journal of Ophthalmology | 1999

Pigmentation on Anterior Chamber Angle in Eyes of Patients With Atopic Dermatitis

Ikuyo Maruyama; Harumi Katsushima; Junichi Suzuki; Takashi Nakagawa

PURPOSEnTo evaluate pigmentation on the anterior chamber angle in patients with atopic dermatitis.nnnMETHODSnThis study includes 61 patients suffering from atopic dermatitis who visited our hospital between 1991 and 1995. Gonioscopy, cycloscopy, and fundus examinations with a scleral depressor were performed on every patient during the initial visit, and were repeated every 6 months. Pigmentation on the anterior chamber angle was classified according to Scheie.nnnRESULTSnThe pigmentation on the anterior chamber angle at the initial visit was evaluated as grade 0 (15 eyes), grade 1 (81 eyes), grade 2 (21 eyes), and grade 3 (5 eyes). Retinal detachment was found in 9 eyes of the 26 eyes with grade 2 or 3 pigmentation, but in only one of the 96 eyes with grade 0 or 1. The pigmentation on the anterior chamber angle correlated significantly with the incidence of retinal detachment (P < .0001). Causative breaks were found in the peripheral retina or ciliary epithelium in all eyes.nnnCONCLUSIONSnModerate to dense pigmentation on the anterior chamber angle in patients with atopic dermatitis seems to be a sign of breaks in the retina or ciliary epithelium, and the fundus of these patients should be examined carefully for signs of retinal detachment.


Investigative Ophthalmology & Visual Science | 2000

Retinal Ganglion Cells Recognized by Serum Autoantibody against γ-Enolase Found in Glaucoma Patients

Ikuyo Maruyama; Hiroshi Ohguro; Yoko Ikeda


Investigative Ophthalmology & Visual Science | 1999

Cancer-associated retinopathy induced by both anti-recoverin and anti- hsc70 antibodies in vivo

Hiroshi Ohguro; Kei Ichi Ogawa; Tadao Maeda; Akiko Maeda; Ikuyo Maruyama


Ryōikibetsu shōkōgun shirīzu | 2000

[Carcinoma-associated retinopathy].

Hiroshi Ohguro; Ikuyo Maruyama


Bulletin of Japanese ophthalmology | 2000

A case of retinitis pigmentosa resembling Kearns-Sayre syndrome

Yoko Ikeda; Hiroshi Ohguro; Tadao Maeda; Akiko Maeda; Ikuyo Maruyama; Takashi Nakagawa


Bulletin of Japanese ophthalmology | 2000

The quenching phototransduction pathway in Octopus photoreceptors

Tadao Maeda; Yoko Ikeda; Akiko Maeda; Ikuyo Maruyama; Hiroshi Ohguro; Takashi Nakagawa


Bulletin of Japanese ophthalmology | 2000

Characteristics of recoverin-induced experimental autoimmune uveoretinitis and cancer-associated retinopathy in mice

Akiko Maeda; Kei Ichi Ogawa; Tadao Maeda; Yoko Ikeda; Ikuyo Maruyama; Hiroshi Ohguro


Sapporo Medical Journal | 1999

Molecular pathology of cancer-associated retinopathy

Hiroshi Ohguro; Akiko Maeda; Yoko Ikeda; Tadao Maeda; Ikuyo Maruyama; Takashi Nakagawa


Tumor research : experimental and clinical | 1998

REVIEW : CLINICAL AND PATHOLOGICAL ASPECTS OF CANCER-ASSOCIATED RETINOPATHY (CAR)

Akiko Maeda; Tadao Maeda; Kei Ichi Ogawa; Ikuyo Maruyama; Takashi Nakagawa; Hiroshi Ohguro

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Hiroshi Ohguro

Sapporo Medical University

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Yoko Ikeda

Sapporo Medical University

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Akiko Maeda

Case Western Reserve University

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Tadao Maeda

Case Western Reserve University

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Takashi Nakagawa

Sapporo Medical University

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Kei Ichi Ogawa

Sapporo Medical University

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Harumi Katsushima

Sapporo Medical University

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Akira Takeda

Takeda Pharmaceutical Company

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Junichi Suzuki

Sapporo Medical University

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Hiroshi Ohguro

Sapporo Medical University

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