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    • 5. 发明申请
    • METHOD FOR CULTURING ANIMAL HEPATOCYTE
    • 培养动物肝细胞的方法
    • US20110269232A1
    • 2011-11-03
    • US13143569
    • 2009-01-08
    • Ryosuke TakahashiAkiko HisadaHiroshi Sonoda
    • Ryosuke TakahashiAkiko HisadaHiroshi Sonoda
    • C12N5/071B82Y99/00
    • C12N5/0671C12N2500/25C12N2501/39C12N2533/54
    • Provided are a technique for easily forming a spheroid by three-dimensionally culturing hepatocytes, and a technique for forming a spheroid having a higher expression level of a transporter MRP2 playing a role of biliary excretion than that of a conventional method. In order to solve the above-described problems, the present inventors have found out a condition under which hepatocytes easily form the spheroid on a nanopillar sheet. More specifically, this is related to a concentration of Type I collagen coated onto the NP sheet. Also, they have found out a condition under which an expression level of a gene related to the excretion of the formed spheroid is improved. More specifically, after the spheroid is previously formed, a biological matrix is overlayered thereon.
    • 提供通过三维培养肝细胞容易地形成球状体的技术,以及形成具有比常规方法具有胆汁排泄作用的转运蛋白MRP2更高表达水平的球状体的技术。 为了解决上述问题,本发明人发现肝细胞容易在纳米柱片材上形成球状体的条件。 更具体地说,这涉及涂覆在NP片上的I型胶原蛋白的浓度。 此外,他们发现了与形成的球体的排泄相关的基因的表达水平提高的条件。 更具体地说,在预先形成球体之后,将生物体叠加在其上。
    • 6. 发明授权
    • Method for culturing animal hepatocyte
    • 培养动物肝细胞的方法
    • US08530237B2
    • 2013-09-10
    • US13143569
    • 2009-01-08
    • Ryosuke TakahashiAkiko HisadaHiroshi Sonoda
    • Ryosuke TakahashiAkiko HisadaHiroshi Sonoda
    • C12N5/02A01N63/00
    • C12N5/0671C12N2500/25C12N2501/39C12N2533/54
    • Provided are a technique for easily forming a spheroid by three-dimensionally culturing hepatocytes, and a technique for forming a spheroid having a higher expression level of a transporter MRP2 playing a role of biliary excretion than that of a conventional method. In order to solve the above-described problems, the present inventors have found out a condition under which hepatocytes easily form the spheroid on a nanopillar sheet. More specifically, this is related to a concentration of Type I collagen coated onto the NP sheet. Also, they have found out a condition under which an expression level of a gene related to the excretion of the formed spheroid is improved. More specifically, after the spheroid is previously formed, a biological matrix is overlayered thereon.
    • 提供通过三维培养肝细胞容易地形成球状体的技术,以及形成具有比常规方法具有胆汁排泄作用的转运蛋白MRP2更高表达水平的球状体的技术。 为了解决上述问题,本发明人发现肝细胞容易在纳米柱片材上形成球状体的条件。 更具体地说,这涉及涂覆在NP片上的I型胶原蛋白的浓度。 此外,他们发现了与形成的球体的排泄相关的基因的表达水平提高的条件。 更具体地说,在预先形成球体之后,将生物体叠加在其上。
    • 7. 发明授权
    • Process for producing tubular shaped fibrous articles
    • 生产管状纤维制品的方法
    • US4726862A
    • 1988-02-23
    • US33827
    • 1987-04-03
    • Shigeru GoiTaizo SugiharaHiroshi Sonoda
    • Shigeru GoiTaizo SugiharaHiroshi Sonoda
    • B29C65/02D04H1/00D04H3/073D04H3/077D04H3/14B29D23/00
    • D04H3/14D04H3/073
    • In a process for producing tubular shaped fibrous articles of small diameter by heating and cooling a fibrous bundle containing at least 20 weight % of hot-melt-adhesive composite fibers, the improvements comprise using a shaping apparatus including an injecting chamber, an injecting hole formed in the wall of the chamber, a fibrous bundle outlet provided with a nozzle of a desired shape in cross-section, a cylindrical pipe for introducing the fibrous bundle, which has a cross-sectional area larger than that of the outlet, is located at a position opposite to the outlet and projects toward the outlet and terminates in the injecting chamber, and a core pipe which is open at its base on the outside of the injecting chamber, has its one end inserted through the cylindrical pipe and extending into the nozzle through the injecting chamber, and having a vent in its portion exposed within the injecting chamber, and passing the fibrous bundle through the cylindrical pipe to the outlet, while injecting a hot compressed gas through the injecting hole, thereby to heat and shape the fibrous bundle to and at its hot-melt-adhesive temperature.
    • 在通过加热和冷却含有至少20重量%的热熔性复合纤维的纤维束的生产小直径的管状纤维制品的方法中,改进包括使用成型设备,其包括注射室,形成的注射孔 在室的壁中,具有横截面为所需形状的喷嘴的纤维束出口,具有大于出口的横截面面积的横截面积的用于引入纤维束的圆柱形管子位于 与出口相对的位置朝向出口突出并终止在注射室中,并且在其注射室外侧的基部处开放的芯管的一端通过圆柱形管插入并延伸到喷嘴中 通过注射室,并且在其部分暴露在注射室内的通气口,并使纤维束通过圆柱形管道到出口,而i 通过注射孔喷射热的压缩气体,从而将纤维束加热并成形为其热熔粘合温度。