Abstract:
PURPOSE:To assess the changes in the size of muscle fibers and the composition of myosin heavy chain (MyHC) isoforms in the global layer (GL) and the orbital layer (OL) of rabbit rectus extraocular muscle (EOM) after recession. METHODS:The right superior rectus muscles of two rabbits were harvested at 3 days or 1, 2, or 4 weeks after recession (eight rabbits in total). At each time point, one muscle was used for measuring the cross-sectional area of the muscle fibers and the other for identifying the composition of MyHC. The right superior rectus muscles of three additional naïve rabbits were used as controls. RESULTS:The mean cross-sectional area of the OL fibers did not change significantly. However, that of the GL fibers significantly decreased at 3 days (P<0.001) and 1 week (P=0.024) postoperatively, and increased thereafter to reach the control levels at 2 and 4 weeks postoperatively. Three days after surgery, the total MyHC content and the proportion of type IIb MyHC (MyHCIIb) plus EOM-specific MyHC (MyHCeom) decreased and remained at its lower level for 4 weeks. CONCLUSIONS:Transient atrophy and regeneration were observed only in the GL, and the changes in the MyHCIIb plus MyHCeom appeared to be related to these changes.
journal_name
Jpn J Ophthalmoljournal_title
Japanese journal of ophthalmologyauthors
Park SC,Kim YT,Kim SA,Oh SYdoi
10.1007/s10384-008-0568-0subject
Has Abstractpub_date
2008-09-01 00:00:00pages
386-392issue
5eissn
0021-5155issn
1613-2246pii
10.1007/s10384-008-0568-0journal_volume
52pub_type
杂志文章abstract::The authors experienced one case of malignant melanoma of the superior palpebral conjunctiva and the inferior palpebral skin, originating from benign acquired melanosis of the bulbar conjunctiva which developed in a 48-year-old man. Orbital exenteration including superior and inferior palpebrae was performed, and the ...
journal_title:Japanese journal of ophthalmology
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journal_title:Japanese journal of ophthalmology
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journal_title:Japanese journal of ophthalmology
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doi:
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abstract::Lacquer cracks are thought to represent healed mechanical breaks in the retinal pigment epithelium, Bruch's membrane, and choriocapillaris complex. In this study, we analyzed the indocyanine green (ICG) angiographic features of lacquer cracks and compared them with findings using fluorescein angiography. Complete opht...
journal_title:Japanese journal of ophthalmology
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abstract::Dendritic keratitis occurred during oral acyclovir (ACV) therapy in a 60-year-old man. Corneal stromal edema and iritis were found at his first visit. Herpetic keratouveitis was suspected, based on clinical findings and previous history. Treatment with steroid eyedrops and ACV ointment was initiated. However, ACV [cor...
journal_title:Japanese journal of ophthalmology
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abstract::We studied the inhibitory effects of chicken egg white ovomacroglobulin, a broad-spectrum protease inhibitor, and a synthetic protease inhibitory peptide, Bz-GFR-O-mercaptoanilide, on the growth of two strains of Serratia marcescens in a synthetic medium. The growth of the virulent protease-producing strain, S. marces...
journal_title:Japanese journal of ophthalmology
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abstract:PURPOSE:To determine the morphological characteristics of the cornea in eyes with posterior corneal vesicles (PCV) determined by in vivo confocal microscopy (IVCM). In addition, to compare the morphological characteristics of the corneas of eyes with PCV to those of eyes with posterior polymorphous corneal dystrophy (P...
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journal_title:Japanese journal of ophthalmology
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journal_title:Japanese journal of ophthalmology
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更新日期:2007-05-01 00:00:00
abstract::The localization of the S-antigen was studied by electron microscopy in the rabbit eye, under three conditions of adaptation: A) 24-hour dark adaptation, B) 24-hour dark adaptation and 1.5-hour light adaptation and C) light adaptation for 30 hours. The Fab' fraction of the IgG of rabbit against the swine S-antigen was...
journal_title:Japanese journal of ophthalmology
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doi:
更新日期:1985-01-01 00:00:00
abstract:PURPOSE:To evaluate the changes in aqueous flare in psoriasis patients and to identify the factors that influence the level of aqueous flare. METHODS:We examined the 68 eyes of 34 psoriasis patients and the 68 eyes of 34 healthy subjects with a laser flare-cell meter. Complete dermatologic and ophthalmic examinations ...
journal_title:Japanese journal of ophthalmology
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更新日期:2001-03-01 00:00:00
abstract::Management of intraocular tumors, specifically uveal melanoma, is a matter of controversy. The treatment of these ocular neoplasms varies from observation to enucleation, irradiation (cobalt plaque and proton-helium particle) and eye wall resection. Over the last 18 years, we have developed two techniques for surgical...
journal_title:Japanese journal of ophthalmology
pub_type: 杂志文章
doi:
更新日期:1989-01-01 00:00:00
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pub_type: 杂志文章,多中心研究
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journal_title:Japanese journal of ophthalmology
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journal_title:Japanese journal of ophthalmology
pub_type: 杂志文章
doi:10.1007/s10384-006-0347-0
更新日期:2006-09-01 00:00:00
abstract::Latanoprost (PhXA41, Xalatan) and isopropyl unoprostone (UF-021, unoprostone, Rescula) two new prostanoid derivatives, have been shown to reduce intraocular pressure (IOP) significantly in patients with glaucoma or ocular hypertension. This study was designed to compare the ocular hypotensive effects of latanoprost an...
journal_title:Japanese journal of ophthalmology
pub_type: 杂志文章
doi:10.1016/s0021-5155(97)00128-7
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journal_title:Japanese journal of ophthalmology
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journal_title:Japanese journal of ophthalmology
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doi:
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journal_title:Japanese journal of ophthalmology
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doi:
更新日期:1982-01-01 00:00:00
abstract::The motoneurons innervating the musculus levator palpebrae superioris (LPS) of the monkey, the cat and the rabbit were studied using horseradish peroxidase (HRP). Furthermore, LPS motoneurons of the cat and rabbit were studied by the double-labeling method using two fluorescent dyes as retrograde neuronal tracers. Aft...
journal_title:Japanese journal of ophthalmology
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doi:
更新日期:1995-01-01 00:00:00
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journal_title:Japanese journal of ophthalmology
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doi:10.1007/s10384-020-00721-8
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journal_title:Japanese journal of ophthalmology
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更新日期:2008-01-01 00:00:00
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journal_title:Japanese journal of ophthalmology
pub_type: 杂志文章
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journal_title:Japanese journal of ophthalmology
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journal_title:Japanese journal of ophthalmology
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