眼内レンズ移植における前嚢混濁の形態学的変化および予防についての研究

人工晶状体植入术中前囊膜混浊的形态变化及预防研究

基本信息

  • 批准号:
    05771409
  • 负责人:
  • 金额:
    $ 0.58万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Encouragement of Young Scientists (A)
  • 财政年份:
    1993
  • 资助国家:
    日本
  • 起止时间:
    1993 至 无数据
  • 项目状态:
    已结题

项目摘要

前嚢混濁は水晶体上皮細胞の増殖であることは確認されている。今回、その経時的変化について猿眼を用いて観察してみた。水晶体上皮細胞の増殖は眼内レンズと前嚢が接している部位では術後2〜3日目に水晶体上皮細胞の分裂像が確認され、術後1週間目には数層の上皮細胞が見られ、その後、3カ月、9カ月と細胞は変性し、細胞外成分が増加し、これらの細胞外成分、特に膠原線維が前嚢混濁の主因となると考えられた。また、前嚢と後嚢が接している部位は水晶体上皮細胞の増殖は見られるが、術後数カ月経過しても細胞外成分の増加は見られず、嚢混濁は起こらなかった。次に細胞の増殖について実験を行った。兎眼の水晶体嚢外摘出術を行い、眼内レンズを移植し、術後早期に眼球摘出を行い、水晶体嚢をホルマリン固定後、PCNA(proliferating cell nuclear antigen)を用いてEGF(epidermal growth factor)を検出してみた結果、術後、ごく早期に水晶体前嚢下にEGFが検出され術後4日目まで検出された。現在、水晶体上皮細胞の増殖抑制について兎眼を用いて研究中である。今後は更に水晶体上皮細胞の増殖抑制を眼内レンズの性状、薬物などを考慮して検討して行きたい。
The lens epithelial cells were proliferated and the lens epithelial cells were confirmed. This time, the ape eye was observed by the ape eye in the middle of the day. The division of lens epithelial cells in the second and third day after implantation, the number of epithelial cells, the number of epithelial cells, sex, extracellular components, extracellular components. Special attention was paid to the fact that the main cause of the accident was the examination of the original situation. The lens epithelial cells of the lens epithelium proliferate in the front and back, and the extracellular components of the lens epithelial cells are increased and mixed in the following months. In the second place, the cells do not colonize, so that they can do so. The surgery of external lens extraction, intraocular lens implantation, early eyeball extraction and fixation, PCNA (proliferating cell nuclear antigen) EGF (epidermal growth factor) were used to show the results of lens extraction, intraocular lens surgery, intraocular lens implantation, early eyeball enucleation, lens extraction, intraocular lens implantation, early lens extraction, intraocular lens implantation, early ophthalmic lens extraction, intraocular lens implantation, early ophthalmotomy, lens extraction, lens implantation, lens extraction, intraocular lens implantation, intraocular lens implantation, early eyeball enucleation, lens implantation, lens extraction, lens implantation, lens extraction, lens At present, lens epithelial cell proliferation inhibition is in the process of eye use. In the future, the lens epithelial cells proliferate to inhibit the trait of intraocular epithelium.

项目成果

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