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      Cell Biological Analysis with Respect to Cause of Fibrous Opacification of the Anterior Capsule after Cataract Extraction

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          Abstract

          It has been assumed that lens epithelial cells (LECs) existing at the capsulotomy edge have been traumatized through anterior capsulotomy in cataract extraction. In this study, the correlation between traumatized LECs remaining at the anterior capsulotomy edge and epidermal growth factor (EGF) found in the aqueous humor, a cell growth factor though to affect cell morphology, was determined. Anterior lens capsules with adhering LECs were obtained following anterior capsulotomy performed during cataract surgery to first confirm the presence of EGF receptors on LECs, which are needed for EGF to be biologically active. Besides, to identify any EGF receptors on traumatized LECs, I next intentionally traumatized the cells by pressing them with a forceps from the anterior capsular side. It has been found that the LECs containing EGF receptors were always those existing at the edge of the anterior capsular opening and LECs containing EGF receptors existed along the pressed region too. The present results indicate that traumatized LECs along the capsulotomy edge have undergone changes to manifest EGF receptors, thus allowing EGF from the aqueous humor to become more active. The physiological effect of EGF upon these LECs may therefore be one of the causative factors of fibrous opacification of the anterior capsulotomy edge after cataract extraction.

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          Author and article information

          Journal
          OPH
          Ophthalmologica
          10.1159/issn.0030-3755
          Ophthalmologica
          S. Karger AG
          0030-3755
          1423-0267
          1998
          December 1998
          23 September 1998
          : 212
          : 6
          : 364-368
          Affiliations
          Department of Ophthalmology, Fujita Health University, School of Medicine, Aichi, Toyoake, Japan
          Article
          27369 Ophthalmologica 1998;212:364–368
          10.1159/000027369
          9787225
          d8a88bb4-6a38-4a41-a108-e70dcafdd5ce
          © 1998 S. Karger AG, Basel

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          History
          Page count
          Figures: 7, References: 11, Pages: 5
          Categories
          Original Paper · Travail original · Originalarbeit

          Vision sciences,Ophthalmology & Optometry,Pathology
          Receptor,Epidermal growth factor,Traumatized cells,Anterior capsulotomy edge,Lens epithelial cells

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