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    • 4. 发明专利
    • Separation of mesenchymal stem cell from mammalian animal and method for using the same
    • 从马马里动物分离骨髓间充质干细胞及其使用方法
    • JP2003052365A
    • 2003-02-25
    • JP2001249653
    • 2001-08-20
    • Japan Science & Technology CorpYukio Kato幸夫 加藤科学技術振興事業団
    • KATO YUKIOTSUTSUMI SHINICHIMIYAZAKI KAZUKOHARA MAIKOKAWAGUCHI HIROYUKIKURIHARA HIDEMI
    • A61L27/00C12N5/07C12N5/0775C12N5/06
    • PROBLEM TO BE SOLVED: To provide a method for separating and collecting mesenchymal stem cells to utilize them for the regenerative treatment of a tissue, etc., and for the preparation of mammalian cells used for the regeneration and/or restoration of the tissue, safe for a collected parent body and also easy for collection, and also a practical method for preparing cells for transplant by using the collected mesenchymal mast cells. SOLUTION: This method for collecting mesenchymal stem cells capable of collecting the cells by using a method for separating and collecting the cells from an oral cavity tissue by a simple operation of requiring a minimum exfoliation and incision of the skin and muscle, not imposing a burden to the collected parent body, safely and simply collecting the necessary amount of the cells maintaining an excellent differentiation potency. Further, the use of the mesenchymal stem cells is provided by culturing and differentiation-inducing the separated and collected mesenchymal stem cells to prepare cells used for the regeneration and/or restoration of a tissue having high differentiation potency, and transplanting the prepared cells to the defective part and/or part for restoration such as the bone, cartilage, periodontal tissue, etc., to regenerate and/or restore the tissues.
    • 要解决的问题:提供分离和收集间充质干细胞以利用它们用于组织等的再生治疗,以及用于制备用于组织再生和/或恢复的哺乳动物细胞的方法,安全 用于收集的亲体,也易于收集,也是通过使用收集的间充质细胞制备用于移植的细胞的实用方法。 解决方案:这种收集间充质干细胞的方法是通过使用从口腔组织中分离和收集细胞的方法来收集细胞,通过简单的操作需要皮肤和肌肉的最小剥落和切口,而不是施加负担 到收集的亲本身体,安全和简单地收集必要量的细胞维持优异的分化能力。 此外,通过培养和分化诱导分离和收集的间充质干细胞来制备间充质干细胞的用途,以制备用于再生和/或恢复具有高分化能力的组织的细胞,并将制备的细胞移植到 有缺陷的部分和/或诸如骨,软骨,牙周组织等的修复部分,以再生和/或恢复组织。
    • 5. 发明专利
    • Method for culturing mesenchymal stem cell using extracellular substrate of basement membrane cell
    • 使用基底膜细胞细胞基质培养细胞干细胞的方法
    • JP2003052360A
    • 2003-02-25
    • JP2001249652
    • 2001-08-20
    • Japan Science & Technology CorpYukio Kato幸夫 加藤科学技術振興事業団
    • KATO YUKIOTSUTSUMI SHINICHIMIYAZAKI KAZUKOHARA MAIKO
    • A61L27/00C12N5/07C12N5/0775C12N5/06
    • PROBLEM TO BE SOLVED: To provide a new method for culturing a mesenchymal stem cell capable of obtaining extremely larger amount of the mesenchymal stem cell than a conventional method under practical conditions aiming the use of the mesenchymal stem cell for a regenerative care of a tissue. SOLUTION: It was found that, by culturing a mesenchymal stem cell in the presence of an extracellular substrate of basement membrane cells, for example, by culturing a mesenchymal stem cell on a culture dish coated with the extracellular substrate of basement membrane cells, the mesenchymal stem cell grows at an extremely high speed, it can keep a differential ability to an osteoblast, a chondrocyte or a fat cell, it can be effectively grown even with a serum of a low concentration, it can be cultured by using human serum, and further, excellent differentiation-inducing culturing is possible. Further, even in the case where culturing is carried out in a lower concentration of serum, growth ability and differential ability can be kept by adding various kinds of additives to the culture medium.
    • 要解决的问题:提供一种培养能够获得极大量的间充质干细胞的间充质干细胞的新方法,其目的在于使用间充质干细胞进行组织的再生保护的实际条件下的常规方法。 解决方案:通过在基底膜细胞的细胞外基质的存在下培养间充质干细胞,例如通过在包被基底膜细胞的细胞外基质的培养皿上培养间充质干细胞,发现间充质干细胞 干细胞以非常高的速度生长,可以保持成骨细胞,软骨细胞或脂肪细胞的不同能力,即使用低浓度的血清也可以有效地生长,可以通过使用人血清进行培养, 此外,优异的分化诱导培养是可能的。 此外,即使在较低浓度的血清进行培养的情况下,也可以通过向培养基中添加各种添加剂来保持生长能力和差异能力。
    • 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