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    • 9. 发明公开
    • CELL SHEETS FOR ECTOCORNEA FORMATION, METHOD OF PRODUCING THE SAME AND METHOD OF USING THE SAME
    • 电池片形成用于生产和使用外角膜和方法
    • EP1602383A1
    • 2005-12-07
    • EP04708896.8
    • 2004-02-06
    • Cellseed Inc.Nishida, Kohji
    • OKANO, TeruoNISHIDA, KohjiYAMATO, Masayuki
    • A61L27/38C12N5/00C12N11/02
    • A61L27/3891A61L27/3804A61L27/3839A61L27/3895A61L2430/16C12N5/0621C12N2539/10
    • The present invention has as its objective providing acorneal epithelium forming cell sheet that will adhere well to an anterior segment tissue. To attain this objective, a corneal epithelium forming cell sheet is produced by a process comprising the steps of cultivating under specified conditions corneal epithelium forming cells on a cell culture support comprising a substrate having its surface covered with a temperature responsive polymer of which the hydrating force varies in a temperature range of 0-80°C, optionally stratifying the layer of cultured cells, and thereafter,

      (1) adjusting the temperature of the culture solution to either above an upper critical dissolution temperature or below a lower critical dissolution temperature,
      (2) bringing the cultured corneal epithelium forming cells into close contact with a carrier, and
      (3) detaching the sheet together with the carrier under specified conditions.
    • 本发明具有作为其目的提供acorneal上皮形成thatwill很好地粘附到前眼部组织细胞片。 为了达到这个目的,角膜上皮形成细胞片是通过包括培养的步骤中指定的条件下在细胞培养载体,其包括基板角膜上皮形成细胞的方法产生的具有在其表面覆盖有一个温度响应性聚合物的水合力 变化的温度范围内的0-80℃,任选地分层的培养细胞的层,此后,(1)调节所述培养液的温度升高到上述的上临界溶解温度的任一者或低于下临界溶解温度,( 2)使所培养的角膜上皮形成细胞与载体紧密接触,(3)用所述载体在特定条件下一起拆卸片。
    • 10. 发明公开
    • CULTURED EPIDERMAL CELL SHEET, LAMINATED CULTURED SKIN SHEET AND PROCESS FOR PRODUCING THE SAME
    • 培养表皮细胞层层叠培养的皮肤层和方法及其
    • EP1312669A1
    • 2003-05-21
    • EP01945763.9
    • 2001-07-02
    • Cellseed Inc.
    • OKANO, TeruoYAMATO, MasayukiUTSUMI, MikaKUSHIDA, AiKONNO, ChieKIKUCHI, Akihiko
    • C12N5/06C12N5/08A61L27/38
    • A61L27/3804A61L27/362A61L27/60C12N5/0698C12N2502/094C12N2502/1323C12N2539/10
    • Cells are cultured on a cell culture support having a substrate surface coated with a temperature-responsive polymer whose upper or lower critical solution temperature in water is 0~80°C, optionally forming multiple cultured cell layers by a conventional technique, and subsequently:

      (1) the temperature of the culture solution is brought to above the upper critical solution temperature or below the lower critical solution temperature;
      (2) the cultured epidermal cell sheet or multi-layered skin sheet is brought into close contact with the polymer membrane; and
      (3) the sheet is peeled off together with the polymer membrane. The thus obtained epidermal cultured cell sheet and multi-layered cultured skin sheet do not degrade E-cadherin or laminin 5 as contrasted with Dispase treatment and they still involve very few structural defects; these sheets hence hold great promise in clinical applications such as skin grafting.
    • 细胞在具有涂覆有温度响应性聚合物,其上或低临界溶解温度在水中是0代字号及80℃下,通过常规技术OPTIONALLY形成多个培养细胞的层,并且随后在基板表面上的细胞培养载体培养的:( 1)培养液的温度高于上临界溶液温度或低于下临界溶解温度升至; (2)培养的表皮细胞片或多层表层板被带入与该聚合物膜紧密接触; 和(3)片材与聚合物膜一起被剥离。 将如此得到的培养表皮细胞片和多层培养皮肤片不降解E-钙粘蛋白或层粘连蛋白5与分散酶处理和护理观照它们涉及非常少的结构缺陷; 论文床单因此保持在临床应用中巨大潜力:如皮肤移植。