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    • 6. 发明专利
    • Method for promoting proliferation and differentiation of animal cell by using extracellular substrate
    • 通过使用细胞基质促进动物细胞增殖和分化的方法
    • JP2006000059A
    • 2006-01-05
    • JP2004180338
    • 2004-06-17
    • Yukio KatoTwo Cells Co Ltd幸夫 加藤株式会社ツーセル
    • KATO YUKIOHARA TETSUAKITSUJI KOICHIRO
    • C12M1/22C12M1/24C12M3/00C12N5/07C12N5/074C12N5/0775C12N5/0789C12N15/09
    • PROBLEM TO BE SOLVED: To provide a culturing method for obtaining extremely more animal cells compared to a conventional method by promoting proliferation and differentiation-inducing of the cultured animal cells in the proliferation culture and differentiation-inducing culture of stem cells or the like of various kinds of animals while effectively keeping the differentiation abilities of the animal stem cells or the like under proliferation. SOLUTION: The proliferation of the cultured animal cells of various kinds of the animal cells is promoted by culturing the animal cells in the presence of an extracellular substrate derived from a mesenchymal cell, an epithelial cell, a cartilaginous precursor cell or a fibroblast. Further, the differentiation ability of the cultured animal stem cells or the like is effectively maintained under the proliferation, and the differentiation induction is promoted to enable the excellent differentiation-inducing culture of the animal stem cells to be carried out. Preferably, even serum in a low concentration can be effectively proliferated and the culture by using the human serum can be carried out by using the method of culturing the animal cells and adding various kinds of additives to a medium. COPYRIGHT: (C)2006,JPO&NCIPI
    • 待解决的问题:为了提供与传统方法相比获得极其多的动物细胞的培养方法,通过促进培养的动物细胞在增殖培养物和干细胞分化诱导培养中的增殖和分化诱导 像各种动物一样有效地保持动物干细胞等在增殖下的分化能力。 解决方案:通过在源自间充质细胞,上皮细胞,软骨前体细胞或成纤维细胞的细胞外底物的存在下培养动物细胞来促进各种动物细胞的培养动物细胞的增殖 。 此外,培养的动物干细胞等的分化能力在增殖下有效地保持,促进分化诱导,使得能够进行优异的分化诱导的动物干细胞的培养。 优选地,即使是低浓度的血清也可以有效地增殖,并且可以通过使用培养动物细胞并向培养基中添加各种添加剂的方法来进行使用人血清的培养。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Method for culturing mesenchymal stem cell
    • 培养细胞干细胞的方法
    • JP2011067175A
    • 2011-04-07
    • JP2009222981
    • 2009-09-28
    • Gc CorpTwo Cells Co Ltd株式会社ジーシー株式会社ツーセル
    • SAKAI YUUDAIYAMANAKA KATSUYUKITAKEDA MIKAOKURA TOMOHISATSUJI KOICHIRO
    • C12N5/07
    • C12N5/0663C12N2500/50
    • PROBLEM TO BE SOLVED: To provide a method for culturing mesenchymal stem cells, which efficiently selects and proliferates mesenchymal stem cells without requiring a separator of exclusive use and complicated separation operation. SOLUTION: One or more of bone marrow liquid, cord blood, peripheral blood, synovial membrane and amnion are seeded in a liquid medium that is filled in a container and comprises water having a specific gravity of 1.06-1.10 g/mL at 37°C as a main component and a culture is carried out on the ceiling surface of the container at 37±2°C to culture the mesenchymal stem cells. Preferably the specific gravity of the liquid medium is adjusted by using at least one selected from silica fine powder coated with a polyvinylpyrrolidone, a water-soluble copolymer of sucrose and epichlorohydrin and a water-soluble compound containing a triiodo aromatic ring. COPYRIGHT: (C)2011,JPO&INPIT
    • 待解决的问题:提供一种培养间充质干细胞的方法,其能够有效地选择和增殖间充质干细胞,而不需要专用分离器和复杂的分离操作。 解决方案:将一种或多种骨髓液,脐带血,外周血,滑膜和羊膜接种在装在容器中的液体培养基中,并包含比重为1.06-1.10g / mL的水 37℃作为主要成分,并在37±2℃的容器的顶棚表面进行培养,以培养间充质干细胞。 优选地,通过使用选自涂覆有聚乙烯吡咯烷酮的二氧化硅细粉末,蔗糖和表氯醇的水溶性共聚物和含有三碘芳环的水溶性化合物中的至少一种来调节液体介质的比重。 版权所有(C)2011,JPO&INPIT