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    • 9. 发明申请
    • De-differentiation and re-differentiation of somatic cells and production of cells for cell therapies
    • 体细胞的分化和再分化以及用于细胞治疗的细胞的产生
    • US20080076176A1
    • 2008-03-27
    • US11842074
    • 2007-08-20
    • Tanja DominkoRaymond Page
    • Tanja DominkoRaymond Page
    • C12N5/00C12N5/08
    • C12N5/0618C12N5/16C12N2500/25C12N2500/80C12N2500/90C12N2501/13C12N2502/13C12N2506/1307
    • The invention provides a method for effecting the de-differentiation of a somatic cell by culturing the cell in the absence of growth factors, cytokines, or other differentiation-inducing agents, and introducing components of cytoplasm of plutipotent cells into the somatic cell and allowing the cell to de-differentiate. The method can be used with somatic cells of any type, from any species of animal. The pluripotent cells may be oocytes, blastomeres, inner cell mass cells, embryonic stem cells, embryonic germ cells, embryos consisting of one or more cells, embryoid body (embryoid) cells, moruia-derived cells, teratoma (teratocarcinoma) cells, as well as multipotent partially differentiated embryonic stem cells taken from later in the embryonic development process. After being de-differentiated, the cell can be induced to re-differentiate into a different somatic cell type. A method for de-differentiating a somatic cell and inducing it to re-differentiate into a cell of neural lineage is disclosed.
    • 本发明提供了一种通过在不存在生长因子,细胞因子或其它分化诱导剂的情况下培养细胞来实现体细胞去分化的方法,并将多能细胞的细胞质成分引入体细胞,并允许 细胞去分化。 该方法可以与来自任何动物种类的任何类型的体细胞一起使用。 多能细胞可以是卵母细胞,卵裂球细胞,内细胞大量细胞,胚胎干细胞,胚胎生殖细胞,由一种或多种细胞组成的胚胎,胚状体(胚状体)细胞,蚕源性细胞,畸胎瘤(畸胎癌)细胞,以及 作为从胚胎发育过程后期获取的多能部分分化胚胎干细胞。 在被分化后,可诱导细胞重新分化成不同的体细胞类型。 公开了一种使体细胞去分化并诱导其重新分化成神经谱系的细胞的方法。
    • 10. 发明申请
    • Pluripotent mammalian cells
    • 多能哺乳动物细胞
    • US20050210537A1
    • 2005-09-22
    • US11131703
    • 2005-05-18
    • Tanja DominkoRaymond PageAlan ColmanTodd VaughtVivienne Marshall
    • Tanja DominkoRaymond PageAlan ColmanTodd VaughtVivienne Marshall
    • A61K48/00C12N5/16C12N15/873A01K67/027C12N5/06C12N5/08
    • C12N15/873A61K48/00C12N5/16C12N2506/04C12N2517/04C12N2517/10
    • The invention relates to a method of making pluripotent stem cells that does not involve the formation of early preimplantation embryos or fetal tissue. The method has general utility in the production of pluripotent stem cells from many mammalian species but has particular application in man where pluripotent stem cell production can be customized to particular human individual. The method involves the fusion of donor somatic or stem cells (or their karyoplasts) with cytoplasmic, membrane-delimited fragments of mammalian oocytes or zygotes. After the initial genomic reprogramming occurs, the cells can proliferate and thus multiply in vitro yielding a large number of autologous cells for cell therapy application. The result of this process is a cell population genomically identical to the somatic, differentiated cells derived from an individual patient. However, these cells are pluripotent in that upon application of specific growth factors, the cells are capable of differentiating into specific cell types as required by the sought clinical indication.
    • 本发明涉及一种制造不涉及早期植入前胚胎或胎儿组织的形成的多能干细胞的方法。 该方法在许多哺乳动物物种的多能干细胞的生产中具有普遍的用途,但在人类中具有特殊应用,其中多能干细胞的生产可以根据具体的个体进行定制。 该方法涉及供体体细胞或干细胞(或它们的核型)与哺乳动物卵母细胞或合子的细胞质膜分离的片段的融合。 在初始基因组重编程发生后,细胞可以增殖并因此在体外繁殖产生大量用于细胞治疗应用的自体细胞。 该过程的结果是与来自个体患者的体细胞分化细胞基因相同的细胞群体。 然而,这些细胞是多能的,因为在应用特定生长因子时,细胞能够根据寻求的临床适应症的要求将其分化成特定的细胞类型。