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Intravitreal level of pigment epithelium-derived factor (PEDF) Nahoko Ogata 1 , Tetsuya Nishimura 1 , Joyce Tombran-Tink 2 , Miyo Matsumura 1 1Dept of Ophthalmol, Kansai Med Univ 2Dept of Ophthalmol, George Washington Univ Med Center, Washington DC pp.1077-1079
Published Date 2001/6/15
DOI https://doi.org/10.11477/mf.1410908996
  • Abstract
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Pigment epithelium-derived factor (PEDF), a serpin-like protein, is claimed to be a neurotropic factor and a potent inhibitor of intraocular angiogenesis. We quantitated the intravitreal level of PEDF in 23 eyes that received vitreous surgery using enzyme-linked immunosorbent assay (ELISA) . The series comprised proliferative diabetic retinopathy 8 eyes, rhegmatogenous retinal detachment 7 eyes, idiopathic macular hole 4 eyes and others. The concentration of PEDF averaged 0.37±0.13 μg/ml in diabetic retinopathy, 3.53±0.85, μg/ml in retinal detachment and 1.76±0.46 μg/ml in macular hole. Its value in macular hole was similar to the normal level. Its lower levels in proliferative diabetic retinopathy seemed to show decreased inhibitory effect for intraocular angiogenesis. Its increased levels in rhegmatogenous retinal detachment seemed to show a neuroprotective role for the detached retina.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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